Atomizing device and electronic cigarette having same

Patent metadata

Field	Value
Publication number	US-10405584-B2
Application number	US-201715702816-A
Country	US
Kind code	B2
Filing date	Sep 13, 2017
Priority date	Sep 14, 2016
Publication date	Sep 10, 2019
Grant date	Sep 10, 2019

Abstract

The present disclosure discloses an atomizing device for an electronic cigarette and an electronic cigarette having the same. The atomizing device includes a housing and an electromagnetic induction heating device disposed in the housing. The electromagnetic induction heating device includes a plurality of electromagnetic induction coils and an induction heater, the plurality of electromagnetic induction coils being disposed on the periphery of the induction heater, the induction heater is configured to generate a corresponding vortex in a magnetic field which is generated by the plurality of electromagnetic induction coils, and the induction heater is configured to radiate heat from the periphery to heat and bake tobacco materials in the electromagnetic induction heating device. The atomizing device for an electronic cigarette according to the present disclosure has a high heating efficiency and is capable of sufficiently decomposing tobacco materials.

First claim

What is claimed is:

1. An electronic cigarette, comprising:
a power supply assembly and an atomizing device that are connected to each other; the atomizing device comprising:
a housing; and
an electromagnetic induction heating device, disposed in the housing;
wherein the electromagnetic induction heating device comprises a plurality of electromagnetic induction coils and an induction heater, the plurality of electromagnetic induction coils being disposed on the periphery of the induction heater, the induction heater is configured to generate a corresponding vortex in a magnetic field which is generated by the plurality of electromagnetic induction coils, and the induction heater is configured to radiate heat from the periphery to heat and bake tobacco materials in the electromagnetic induction heating device;
wherein the power supply assembly comprises a battery and an LC oscillator circuit, the battery being connected to the plurality of electromagnetic induction coils via the LC oscillator circuit;
wherein the electromagnetic induction heating device further comprises a frame, the frame defines a first chamber and a second chamber, the first chamber is configured to be filled with the tobacco materials, and the plurality of electromagnetic induction coils are disposed in the second chamber and surround the first chamber, such that the frame, the electromagnetic induction coils and the induction heater form an integral structure.

2. The electronic cigarette according to claim 1 , wherein each of the plurality of electromagnetic induction coils is an arc sheet which is formed by bending a planar coil, and wherein the plurality of electromagnetic induction coils surround the periphery of the induction heater, and are disposed at a distance from the induction heater.

3. The electronic cigarette according to claim 1 , wherein a heat insulating layer is disposed between the electromagnetic induction coils and the induction heater.

4. The electronic cigarette according to claim 1 , wherein the induction heater is disposed in the first chamber.

5. The electronic cigarette according to claim 4 , wherein the induction heater is metallic particles or metal powder, which are/is mixed with the tobacco materials, wherein the metallic particles or metal powder and the tobacco materials are configured to be filled in the first chamber.

6. The electronic cigarette according to claim 1 , wherein the induction heater is disposed on the frame, and is configured to conduct heat via the frame, such that the heat is radiated into the first chamber.

7. The electronic cigarette according to claim 1 , wherein the plurality of electromagnetic induction coils are uniformly disposed along a circumferential direction of the periphery of the induction heater or disposed along an axial direction of the induction heater, and wherein each electromagnetic induction coil is independently connected to the power supply assembly.

8. An atomizing device for an electronic cigarette, comprising:
a housing; and
an electromagnetic induction heating device, disposed in the housing;
wherein the electromagnetic induction heating device comprises a plurality of electromagnetic induction coils and an induction heater, the plurality of electromagnetic induction coils being disposed on the periphery of the induction heater, the induction heater is configured to generate a corresponding vortex in a magnetic field which is generated by the plurality of electromagnetic induction coils, and the induction heater is configured to radiate heat from the periphery to heat and bake tobacco materials in the electromagnetic induction heating device;
wherein the electromagnetic induction heating device further comprises a frame, the frame defines a first chamber and a second chamber, the first chamber is configured to be filled with the tobacco materials, the plurality of electromagnetic induction coils are disposed in the second chamber and surround the first chamber, such that the frame, the electromagnetic induction coils and the induction heater form an integral structure.

9. The atomizing device according to claim 8 , wherein each of the plurality of electromagnetic induction coils is an arc sheet which is formed by bending a planar coil, and wherein the plurality of electromagnetic induction coils surround the periphery of the induction heater, and are disposed at a distance from the induction heater.

10. The atomizing device according to claim 8 , wherein the plurality of electromagnetic induction coils are uniformly disposed along a circumferential direction of the periphery of the induction heater or disposed along an axial direction of the induction heater, and wherein each electromagnetic induction coil is independently connected to a circuit.

11. The atomizing device according to claim 8 , wherein a heat insulating layer is disposed between the electromagnetic induction coils and the induction heater.

12. The atomizing device according to claim 8 , wherein the induction heater is disposed in the first chamber.

13. The atomizing device according to claim 12 , wherein the induction heater is metallic particles or metal powder, which are/is mixed with the tobacco materials, wherein the metallic particles or metal powder and the tobacco materials are configured to be filled in the first chamber.

14. The atomizing device according to claim 8 , wherein the induction heater is disposed on the frame, and is configured to conduct heat via the frame, such that the heat is radiated into the first chamber.

Assignees

• Shenzhen First Union Tech Co

Inventors

• Chen Hongbin
• Li Yuqin
• Li Yonghai
• Xu Zhongli

Classifications

• H05B6/105

  using a susceptor · CPC title

• F22B1/281

  other than by electrical resistances or electrodes · CPC title

• A24F47/008 Primary

  Human Necessities · mapped topic

• A24F40/465 Primary

  specially adapted for induction heating · CPC title

• A24F40/20

  Devices using solid inhalable precursors · CPC title