Vaporization core support assembly, vaporizer and electronic vaporization device

Patent metadata

Field	Value
Publication number	US-2024081417-A1
Application number	US-202218274714-A
Country	US
Kind code	A1
Filing date	Jan 20, 2022
Priority date	Jan 27, 2021
Publication date	Mar 14, 2024
Grant date	—

Abstract

An atomization core assembly ( 10 A), an atomizer ( 100 ) and an electronic atomization device ( 300 ). The atomization core assembly ( 10 A) comprises: a liquid guide element ( 10 ) comprising an atomization face ( 11 ) and a liquid absorption face ( 12 ); a heating element ( 20 ) arranged on the atomization face ( 11 ) and used for heating at least some of a liquid matrix absorbed by the liquid guide element ( 10 ), so as to generate aerosol; and a first holder ( 40 ) for accommodating the liquid guide element ( 10 ), wherein a holder side wall ( 44 ) of the first holder ( 40 ) is provided with a gas intake groove ( 47 ) and a liquid temporary-storage groove ( 48 ), the gas intake groove ( 47 ) is in communication with a space above the atomization face ( 11 ) via a gas inlet ( 471 ), the liquid temporary-storage groove ( 48 ) is in communication with the space above the atomization face ( 11 ) via an overflow port ( 481 ), and the gas intake groove ( 47 ) and the liquid temporary-storage groove ( 48 ) are separated by means of an isolation portion ( 442 ). In the atomization core assembly ( 10 A), the liquid or condensate of an e-liquid can flow into the liquid temporary-storage groove ( 48 ) along the overflow port ( 481 ) and is then stored in the liquid temporary-storage groove ( 48 ), such that the liquid is not prone to leaking along the gas intake groove ( 47 ).

First claim

What is claimed is:

1 . A vaporization core assembly, comprising:
a liquid guide element ( 10 ), comprising a vaporization surface ( 11 ) and a liquid absorbing surface ( 12 ); a heating element ( 20 ), arranged on the vaporization surface ( 11 ) and configured to heat at least a part of a liquid substrate absorbed by the liquid guide element ( 10 ) to generate an aerosol; and a first support ( 40 ), configured to accommodate the liquid guide element ( 10 ); wherein a support side wall ( 44 ) of the first support ( 40 ) is provided with an air inlet groove ( 47 ) and a buffered liquid storage groove ( 48 ), the air inlet groove ( 47 ) is in communication with a space above the vaporization surface ( 11 ) through an air inlet ( 471 ), the buffered liquid storage groove ( 48 ) is in communication with the space above the vaporization surface ( 11 ) through an overflow port ( 481 ), and the air inlet groove ( 47 ) and the buffered liquid storage groove ( 48 ) are separated by a separating part ( 442 ).

2 . The vaporization core assembly according to claim 1 , wherein:
the first support ( 40 ) is further provided with an open end ( 42 ) and a closed end ( 43 ) opposite to the open end ( 42 ), and the support side wall ( 44 ) and the closed end ( 43 ) enclose a first accommodating space ( 45 ); wherein the liquid guide element ( 10 ) is constructed to be capable of being accommodated in the first accommodating space ( 45 ) from the open end ( 42 ), so that the vaporization surface ( 11 ) faces the open end ( 42 ); and the support side wall ( 44 ) located between the vaporization surface ( 11 ) and the open end ( 42 ) and the vaporization surface ( 11 ) define a vaporization cavity.

3 . The vaporization core assembly according to claim 2 , wherein:
the air inlet groove ( 47 ) starts from the closed end ( 43 ) and ends at the air inlet ( 471 ); and the air inlet groove ( 47 ) is configured to convey the air to the vaporization cavity through the air inlet ( 471 ).

4 . The vaporization core assembly according to claim 1 , wherein:
the buffered liquid storage groove ( 48 ) is arranged on an outer surface of the support side wall ( 44 ), and a length of the buffered liquid storage groove ( 48 ) is set to be greater than a circumference of the first support ( 40 ).

5 . The vaporization core assembly according to claim 1 , wherein:
both the air inlet ( 471 ) and the overflow port ( 481 ) are higher than the vaporization surface ( 11 ).

6 . The vaporization core assembly according to claim 1 , wherein:
a first side of the first support ( 40 ) is provided with one first air inlet groove ( 47 ) and two first buffered liquid storage grooves ( 48 ); and the first air inlet groove ( 47 ) is located between the two first buffered liquid storage grooves ( 48 ), and the air inlet ( 471 ) of the first air inlet groove ( 47 ) is located between the overflow ports ( 481 ) of the two first buffered liquid storage grooves ( 48 ).

7 . The vaporization core assembly according to claim 6 , wherein:
a second side of the first support ( 40 ) is provided with one second air inlet groove ( 47 ) and two second buffered liquid storage grooves ( 48 ); and the second air inlet groove ( 47 ) is located between the two second buffered liquid storage grooves ( 48 ), and the air inlet ( 471 ) of the second air inlet groove ( 47 ) is located between the overflow ports ( 481 ) of the two second buffered liquid storage grooves ( 48 ).

8 . The vaporization core assembly according to claim 7 , wherein:
one of the two first buffered liquid storage grooves ( 48 ) is in communication with one of the two second buffered liquid storage grooves ( 48 ); and/or the other of the two first buffered liquid storage grooves ( 48 ) is in communication with the other of the two second buffered liquid storage grooves ( 48 ).

9 . The vaporization core assembly according to claim 1 , wherein:
the support side wall ( 44 ) is provided with a liquid inlet channel ( 41 ), and the liquid inlet channel ( 41 ) is in communication with the liquid absorbing surface ( 12 ) of the liquid guide element ( 10 ).

10 . The vaporization core assembly according to any one of claims 1 to 9 , wherein:
the vaporization core assembly further comprises a second support ( 50 ), the first support ( 40 ) and the second support ( 50 ) are in matched connection, and the second support ( 50 ) defines a second accommodating space ( 51 );
wherein air can sequentially flow through the second accommodating space ( 51 ) and the air inlet groove ( 47 ), and is then conveyed to the vaporization surface ( 11 ) through the air inlet ( 471 ).

11 . A vaporizer, configured to vaporize a liquid substrate to generate an aerosol, wherein the vaporizer ( 100 ) comprises:
the vaporization core assembly according to any one of claims 1 to 10 ; and a main housing ( 90 ), defining a liquid accommodating space ( 91 ) and provided with a vapor output channel ( 92 ) located in the main housing ( 90 ); wherein the first support ( 40 ) is in matched connection with the main housing ( 90 ), so that the vaporization surface ( 11 ) of the liquid guide element ( 10 ) faces the vapor output channel ( 92 ).

12 . The vaporizer according to claim 11 , wherein:
the vaporizer ( 100 ) further comprises a first sealing member ( 30 ); and the first sealing member ( 30 ) is located between the liquid guide element ( 10 ) and the support side wall ( 44 ) of the first support ( 40 ) to seal and isolate the vaporization surface ( 11 ) and the liquid absorbing surface ( 12 ).

13 . The vaporizer according to claim 11 or 12 , wherein:
the vaporizer ( 100 ) further comprises a second sealing member ( 70 ), and the second sealing member ( 70 ) has a skirted part ( 71 ) arranged in a circumferential direction and is provided with a liquid guide hole ( 72 ) and a plug-in hole ( 73 ); and the second sealing member ( 70 ) sleeves the first support ( 40 ), and the first support ( 40 ) is at least partially inserted into the main housing ( 90 ), so that the skirted part ( 71 ) of the second sealing member ( 70 ) is clamped between the first support ( 40 ) and the main housing ( 90 ) to form a seal, and a first end ( 921 ) of the vapor output channel ( 92 ) is inserted in the plug-in hole ( 73 ).

14 . The vaporizer according to claim 13 , wherein:
a tail end of the vapor output channel ( 92 ) is provided with a notch ( 922 ), and an airflow guide part ( 75 ) which protrudes from a hole wall and is configured to cooperate with the notch ( 922 ) is arranged in the plug-in hole ( 73 ).

15 . An electronic vaporization device, comprising a vaporizer ( 100 ) configured to vaporize a liquid substrate to generate an aerosol, and a power supply assembly ( 200 ) configured to supply power to the vaporizer ( 100 ), wherein the vaporizer ( 100 ) comprises the vaporizer according to any one of claims 11 to 14 .

Assignees

• Shenzhen First Union Tech Co

Inventors

• Xie Baofeng
• Xu Zhongli
• Li Yonghai

Classifications

• A24F40/48 Primary

  Fluid transfer means, e.g. pumps · CPC title

• A24F40/10

  Devices using liquid inhalable precursors · CPC title

• A24F40/44

  Wicks · CPC title

• A24F40/46

  Shape or structure of electric heating means · CPC title

• A61M11/042 Primary

  electrical · CPC title