WO2020133914A1

WO2020133914A1 - Heating module, controllable heating module, and electronic cigarette

Info

Publication number: WO2020133914A1
Application number: PCT/CN2019/089842
Authority: WO
Inventors: 晏华斌
Original assignee: 惠州市沛格斯科技有限公司
Priority date: 2018-12-25
Filing date: 2019-06-03
Publication date: 2020-07-02
Also published as: CN110169594A

Abstract

A heating module, a controllable heating module, and an electronic cigarette, comprising: a tobacco cup (10), used to allow insertion of a tobacco part into same; a magnetically conductive metal heat-generating component (30), arranged inside the tobacco cup (10); and an alternating magnetic field generating coil (20), sleeved on a side wall of the tobacco cup (10), the alternating magnetic field generating coil (20) being used to generate an alternating magnetic field so as to cause the magnetically conductive metal heat-generating component (30) to experience eddy currents and thus heat up.

Description

Heating module, controllable heating module and electronic smoking set

Technical field

This application relates to the field of electronic cigarettes, in particular to a heating module, a controllable heating module and an electronic smoking set.

Background technique

In the prior art, heating non-combustible and dry-burning electronic smoking sets are usually heated by inserting a heating sheet or a heating needle into the cut tobacco part of the heated cigarette, wherein the heating sheet or the heating needle has a certain physical shape and volume. Inserting the cut tobacco part of the tobacco stick will affect the arrangement of cut tobacco in the cut tobacco part, resulting in uneven smoking intensity and uneven heating. Because the heating element is in the middle of the cigarette, the cut tobacco close to the heating element is overheated, and the cut tobacco away from the heating element has insufficient heating; at the same time, because the heating sheet or the heating needle cannot be replaced, after a period of use, the heating sheet Or the heating needle will have carbon black, tar and other substances that affect the taste on the heating sheet or the heating needle, resulting in poor product experience.

technical problem

The present application provides a heating module, a controllable heating module and an electronic smoking set to solve the technical problem of poor user experience.

Technical solution

The application provides a heating module, a controllable heating module and an electronic smoking set, which can improve the user experience.

An embodiment of the present application provides a heating module, which is applied to an electronic smoking set. The heating module includes:

Cigarette cup, the cigarette cup is used for inserting the cut tobacco part into it;

A magnetically permeable metal heating element, the magnetically permeable metal heating element being disposed in the cigarette cup; and

An alternating magnetic field generating coil, the alternating magnetic field generating coil is sleeved on the side wall of the cigarette cup, the alternating magnetic field generating coil is used to generate an alternating magnetic field, so that the magnetically conductive metal heating component generates eddy current And fever.

In the heating module described in the present application, the magnetically conductive metal heating component includes a base and an electromagnetic induction heating body provided on the base;

The base is fixedly arranged at the bottom of the cigarette cup, and the electromagnetic induction heating body is arranged at the center of the base and is located inside the cigarette cup.

In the heating module of the present application, the electromagnetic induction heating body is in the form of a sheet, and the electromagnetic induction heating body includes an outer cladding layer and at least two electromagnetic induction heating pins disposed in the outer cladding layer.

In the heating module described in this application, the thickness of the electromagnetic induction heating element is 0.2 mm-0.7 mm.

In the heating module described in this application, the outer cladding layer is an aluminum oxide layer or a zirconia ceramic layer.

In the heating module described in the present application, the electromagnetic induction heating body is needle-shaped, and the electromagnetic induction heating body includes an outer cladding layer and at least two electromagnetic induction heating needles disposed in the outer cladding layer.

In the heating module described in this application, the diameter of the electromagnetic induction heating body is 1.2 mm-3 mm.

In the heating module described in this application, the base is made of polyetheretherketone material or ceramic material.

In the heating module described in the present application, the heating module further includes an end cover provided at the upper end of the cigarette cup, and the end cover is provided with a vent hole.

In the heating module described in the present application, the heating module further includes an elastic sealing ring disposed between the inner side wall of the end cover and the outer side wall of the cigarette cup.

Another embodiment of the present application also provides a controllable heating module, including the heating module described above, and the controllable module further includes:

A temperature sensor, which is provided on the base of the heating module and used to obtain temperature information of the heating module; and

A control component that is electrically connected to the temperature sensor, and the control component is used to control the working current of the alternating magnetic field generating coil of the heating module according to the temperature information, thereby controlling the heating module Heating power.

In the controllable heating module described in the present application, the magnetically conductive metal heating component includes a base and an electromagnetic induction heating body provided on the base;

In the controllable heating module of the present application, the electromagnetic induction heating body is in the form of a sheet, and the electromagnetic induction heating body includes an outer cladding layer and at least two electromagnetic induction heating pins disposed in the outer cladding layer.

In the controllable heating module described in this application, the thickness of the electromagnetic induction heating body is 0.2 mm-0.7 mm.

In the controllable heating module described in this application, the outer cladding layer is an aluminum oxide layer or a zirconia ceramic layer.

In the controllable heating module of the present application, the electromagnetic induction heating body is needle-shaped, and the electromagnetic induction heating body includes an outer cladding layer and at least two electromagnetic induction heating pins disposed in the outer cladding layer.

In the controllable heating module described in this application, the diameter of the electromagnetic induction heating body is 1.2 mm-3 mm.

In the controllable heating module described in this application, the base is made of polyetheretherketone material or ceramic material.

Another embodiment of the present application further provides an electronic smoking set, including the above-mentioned controllable heating module, the electronic smoking set further includes: a power supply module, and the power supply module is connected to the controllable heating module And power.

In the electronic smoking appliance described in this application, the power supply module includes a driving circuit and a battery component; the battery component is electrically connected to the driving circuit and the control component.

Beneficial effect

The heating module, the controllable heating module and the electronic smoking set of the embodiments of the present application generate heat by using a magnetically conductive metal heating element and an alternating magnetic field generating coil to heat the tobacco portion to generate smoke; The metal heating element does not need to be electrically connected to the circuit structure, which is convenient for disassembly and replacement, and the magnetically conductive metal heating element and the alternating magnetic field generating coil are used to generate heat to heat more uniformly.

BRIEF DESCRIPTION

In order to more clearly explain the technical solutions in this application, the following will briefly introduce the drawings required in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of this application. Those skilled in the art can obtain other drawings based on these drawings without paying any creative labor.

1 is a schematic structural diagram of a heating module in an embodiment of this application;

2 is a schematic cross-sectional structural view of a heating module in an embodiment of this application;

3 is a schematic structural diagram of an electronic smoking set in an embodiment of the application;

4 is a schematic diagram of a first structure of an electromagnetic induction heating element in an embodiment of this application;

5 is a schematic diagram of a second structure of an electromagnetic induction heating element in an embodiment of the present application;

6 is a third schematic structural diagram of an electromagnetic induction heating element in an embodiment of the present application;

7 is a schematic structural diagram of a controllable heating module in another embodiment of this application;

8 is a schematic cross-sectional structural view of a controllable heating module in another embodiment of this application; and

9 is a schematic structural diagram of an electronic smoking appliance in another embodiment of the present application.

Embodiments of the invention

The technical solutions in the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative work fall within the scope of protection of this application.

Please refer to FIG. 1, FIG. 2 and FIG. 3 at the same time. FIG. 1 is a schematic structural diagram of a heating module in an embodiment of the present application. 2 is a schematic cross-sectional structural view of a heating module in an embodiment of the present application. FIG. 3 is a schematic structural diagram of an electronic smoking set in an embodiment of the present application. The heating module 1001 is used in an electronic smoking set 1000. The heating module 1001 and the power supply module 1002 are assembled to form an electronic smoking set 1000. The heating module 1001 is used to heat cigarettes without burning to form smoke.

In this embodiment, the heating module 1001 includes: a smoke cup 10, an alternating magnetic field generating coil 20, a magnetically conductive metal heating element 30, an end cover 40, and an elastic sealing ring 50, wherein the smoke cup 10 is used for The cut tobacco part is inserted into it. The magnetically conductive metal heating component 30 is disposed in the cigarette cup 10. The alternating magnetic field generating coil 20 is sleeved on the side wall of the cigarette cup 10, and the alternating magnetic field generating coil 20 is used to generate an alternating magnetic field, so that the magnetically conductive metal heating component 30 generates eddy current to generate heat .

Specifically, the smoke cup 10 is made of quartz glass, high boron glass, high aluminum glass or ceramic material. The cigarette cup 10 has a substantially circular tube shape. The inner diameter of the cigarette cup 10 is 3 mm-14 mm. The wall thickness of the cigarette cup 10 is 0.5 mm-1.5 mm. The length of the cigarette cup 10 is 8 mm-30 mm. The cigarette cup 10 can not only ensure that the cigarettes are inserted into the correct position, but also not easy to adhere foreign objects such as cigarette oil and easy to clean.

The alternating magnetic field generating coil 20 is made of enameled copper wire or copper tape. The number of turns of the alternating magnetic field generating coil 20 is between 10 and 40 turns. The length of the alternating magnetic field generating coil 20 is 8 mm to 30 mm. The inner diameter of the alternating magnetic field generating coil 20 is 7.5 mm to 15 mm. The outer diameter of the alternating magnetic field generating coil 20 is 8.5 mm to 18 mm. When an alternating current is passed through the alternating magnetic field generating coil 20, the hollow position of the alternating magnetic field generating coil 20 will generate an alternating magnetic field, so that the magnetically conductive metal heating element placed in the hollow position of the alternating magnetic field generating coil 20 30 can quickly heat up.

The magnetically conductive metal heating element 30 is made of a magnetically conductive material metal, for example, a magnetically conductive material whose main component is iron, preferably 400 series ferritic stainless steel, carbon steel, silicon steel, ferrite, iron aluminum, iron cobalt Alloy or any combination thereof. The magnetically conductive metal heating element 30 includes a base 31 and an electromagnetic induction heating body 32 disposed on the base 31. The base 31 is fixed on the bottom of the cigarette cup 10. The electromagnetic induction heating element 32 is disposed in the center of the base 31 and located inside the cigarette cup 10. The base 31 is snapped onto the lower port of the cigarette cup 10, and the disassembly and replacement are simple.

In an embodiment, the base 10 may be made of polyetheretherketone, Teflon, ABS, PC, or PS material. In another embodiment, the base 10 may be a ceramic material. In other embodiments, the base 10 may also be other high temperature resistant materials, such as non-magnetic metal materials such as copper or stainless steel.

Please also refer to FIG. 4, which is a first structural schematic diagram of an electromagnetic induction heating element in an embodiment of the present application. As shown in FIG. 4, in one embodiment, the electromagnetic induction heating element 32 has a sheet shape. The thickness of the electromagnetic induction heating body 32 is 0.2 mm-0.7 mm. The electromagnetic induction heating body 32 includes an outer cladding layer 321 and at least two electromagnetic induction heating pins 322 disposed in the outer cladding layer 321. The outer cladding layer 321 may be an aluminum oxide layer or a zirconia ceramic layer.

Please also refer to FIG. 5, which is a second structural schematic diagram of the electromagnetic induction heating element in the embodiment of the present application. As shown in FIG. 5, in another embodiment, the electromagnetic induction heating body 32 has a needle shape. The diameter of the electromagnetic induction heating body 32 is 1.2 mm-3 mm. The electromagnetic induction heating body 32 includes an outer cladding layer 321 and at least two electromagnetic induction heating pins 322 disposed in the outer cladding layer 321. The outer cladding layer 322 may be an aluminum oxide layer or a zirconia ceramic layer.

Please also refer to FIG. 6, which is a third structural schematic diagram of the electromagnetic induction heating element in the embodiment of the present application. As shown in FIG. 5, in yet another embodiment, the electromagnetic induction heating body 32 has a needle shape. The diameter of the electromagnetic induction heating body 32 is 1.2 mm-3 mm. The electromagnetic induction heating body 32 includes an outer cladding layer 321 and an electromagnetic induction heating pin 322 disposed in the outer cladding layer 321. The outer cladding layer 321 may be an aluminum oxide layer or a zirconia ceramic layer.

In this embodiment, the end cover 40 is provided with a vent hole 41. The elastic sealing ring 50 is disposed between the inner side wall of the end cover 40 and the outer side wall of the cigarette cup 10. In addition, a notch 42 is provided on the side wall of the end cover 40, and correspondingly, a limited protrusion 11 is provided on the cigarette cup 10. The notch 42 is used for the limiting protrusion 11 to snap in, so that the end cover 40 can be detachably connected to the end of the cigarette cup 10. The vent hole 41 matches the shape of the cigarette and is located in the middle.

The power supply module 1002 is electrically connected to the heating module 1001. The power supply module 1002 includes a battery assembly 1012 and a driving circuit 1022. The battery assembly 1012 is electrically connected to the driving circuit 1022, and the driving circuit 1022 is electrically connected to the alternating magnetic field generating coil 20 to provide different driving voltages to the alternating magnetic field generating coil 20, for example, a self-excited zero voltage turn-on circuit , Through an inductive capacitance LC parallel resonance circuit, an alternating current of 50KHz to 500KHz is generated in the alternating magnetic field generating coil 20; and the alternating current is controlled by pulse width modulation (PWM) to control the alternating current The heating power of the magnetic field generating coil 20 and the electromagnetic induction heating body 32 can also be controlled by adjusting the magnitude of the alternating current.

In this embodiment, the magnetically conductive metal heating component and the alternating magnetic field generating coil are used to generate heat, thereby heating the tobacco portion to generate smoke; in addition, the magnetically conductive metal heating component does not need to be electrically connected to the circuit structure, which is convenient for disassembly, and This method uses a magnetically conductive metal heating element and an alternating magnetic field generating coil to generate heat. This way the heating is more uniform.

Please refer to FIG. 7, FIG. 8 and FIG. 9 at the same time. FIG. 7 is a schematic structural diagram of a controllable heating module in another embodiment of the present application. 8 is a schematic cross-sectional structural view of a controllable heating module in another embodiment of the present application. 9 is a schematic structural diagram of an electronic smoking appliance in another embodiment of the present application. The controllable heating module 2001 is used in an electronic smoking set 2000. The controllable heating module 2001 and the power supply module group 2002 are installed to form an electronic smoking set 2000. The controllable heating module 2001 is used to heat cigarettes without burning to form smoke.

The controllable heating module 2001 includes the heating module 1001 as described above, and further includes a temperature sensor 60 and a control assembly 70.

In this embodiment, the temperature sensor 60 is disposed on the base 32 of the heating module 1001 and used to obtain temperature information of the heating module 1001. The control component 70 is electrically connected to the temperature sensor 60. The control component 70 is used to control the working current of the alternating magnetic field generating coil 20 of the heating module 1001 according to the temperature information, thereby controlling the heating module Group 1001 heating power.

Specifically, the control assembly 70 is electrically connected to the two ends of the alternating magnetic field generating coil 20 of the heating module 1001 to supply power to the alternating magnetic field generating coil 20. Wherein, the control component 70 is provided with an inductor and a capacitor, and the inductor and the capacitor and the alternating magnetic field generating coil 20 form an LC resonance circuit to generate an alternating current of 50KHz to 500KHz in the alternating magnetic field generating coil 20; And the on-off time of the alternating current is controlled by pulse width modulation (PWM) to control the heating power of the alternating magnetic field generating coil 20 and the electromagnetic induction heating body 32, or the amplitude of the alternating current can be adjusted to control the heating power Heating power.

The power supply module 2002 includes a driving circuit 1022 and a battery assembly 1012. The battery assembly 1012 is electrically connected to the drive circuit 1022 and the control assembly 70.

The heating modules, controllable heating modules, and electronic smoking sets provided in the embodiments of the present application have been described in detail above. Specific examples are used in this article to explain the principles and implementation modes of the present application. To help understand this application. At the same time, for those skilled in the art, according to the ideas of the present application, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the present application.

Claims

A heating module is used in an electronic smoking set. The heating module includes:

Cigarette cup, the cigarette cup is used for inserting the cut tobacco part into it;

A magnetically permeable metal heating element, the magnetically permeable metal heating element being disposed in the cigarette cup; and

An alternating magnetic field generating coil, the alternating magnetic field generating coil is sleeved on the side wall of the cigarette cup, the alternating magnetic field generating coil is used to generate an alternating magnetic field, so that the magnetically conductive metal heating component generates eddy current And fever.
The heating module according to claim 1, wherein the magnetically conductive metal heating element includes a base and an electromagnetic induction heating body provided on the base;

The base is fixedly arranged at the bottom of the cigarette cup, and the electromagnetic induction heating body is arranged at the center of the base and is located inside the cigarette cup.
The heating module according to claim 2, wherein the electromagnetic induction heating body has a sheet shape, and the electromagnetic induction heating body includes an outer cladding layer and at least two electromagnetic induction heating pins disposed in the outer cladding layer.
The heating module according to claim 3, wherein the thickness of the electromagnetic induction heating body is 0.2 mm to 0.7 mm.
The heating module according to claim 3, wherein the outer cladding layer is an aluminum oxide layer or a zirconia ceramic layer.
The heating module according to claim 2, wherein the electromagnetic induction heating body is in the form of a needle, and the electromagnetic induction heating body includes an outer cladding layer and at least two electromagnetic induction heating pins disposed in the outer cladding layer.
The heating module according to claim 6, wherein the diameter of the electromagnetic induction heating body is 1.2 mm-3 mm.
The heating module according to claim 2, wherein the base is made of polyetheretherketone material or ceramic material.
The heating module according to claim 1, wherein the heating module further comprises an end cover provided at the upper end of the cigarette cup, and the end cover is provided with a vent hole.
The heating module according to claim 9, wherein the heating module further comprises an elastic sealing ring disposed between the inner side wall of the end cover and the outer side wall of the cigarette cup.
A controllable heating module, the controllable heating module comprising the heating module according to claim 1, and the controllable heating module further comprising:

A temperature sensor, which is provided on the base of the heating module and used to obtain temperature information of the heating module; and

A control component that is electrically connected to the temperature sensor, and the control component is used to control the working current of the alternating magnetic field generating coil of the heating module according to the temperature information, thereby controlling the heating module Heating power.
The controllable heating module according to claim 11, wherein the magnetically conductive metal heating element includes a base and an electromagnetic induction heating body provided on the base;

The base is fixedly arranged at the bottom of the cigarette cup, and the electromagnetic induction heating body is arranged at the center of the base and inside the cigarette cup.
The controllable heating module according to claim 12, wherein the electromagnetic induction heating body is in a sheet shape, and the electromagnetic induction heating body includes an outer cladding layer and at least two electromagnetic induction heating pins disposed in the outer cladding layer.
The controllable heating module according to claim 13, wherein the thickness of the electromagnetic induction heating body is 0.2 mm to 0.7 mm.
The controllable heating module according to claim 13, wherein the outer cladding layer is an aluminum oxide layer or a zirconia ceramic layer.
The controllable heating module according to claim 12, wherein the electromagnetic induction heating body has a needle shape, and the electromagnetic induction heating body includes an outer cladding layer and at least two electromagnetic induction heating pins disposed in the outer cladding layer.
The controllable heating module according to claim 16, wherein the diameter of the electromagnetic induction heating body is 1.2 mm-3 mm.
The controllable heating module according to claim 12, wherein the base is made of polyetheretherketone material or ceramic material.
An electronic smoking set comprising the controllable heating module according to claim 11, and the electronic smoking set further comprises:

A power supply module, the power supply module is connected to the controllable heating module and supplies power.
The electronic smoking appliance according to claim 19, wherein the power supply module includes a driving circuit and a battery component; the battery component is electrically connected to the driving circuit and the control component.