CN116437513A - Electromagnetic induction coil, electromagnetic induction device and cigarette heating smoking set - Google Patents
Electromagnetic induction coil, electromagnetic induction device and cigarette heating smoking set Download PDFInfo
- Publication number
- CN116437513A CN116437513A CN202310426871.9A CN202310426871A CN116437513A CN 116437513 A CN116437513 A CN 116437513A CN 202310426871 A CN202310426871 A CN 202310426871A CN 116437513 A CN116437513 A CN 116437513A
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- Prior art keywords
- electromagnetic induction
- coil
- induction coil
- combined
- heating body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 97
- 238000010438 heat treatment Methods 0.000 title claims abstract description 81
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 22
- 230000000391 smoking effect Effects 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 64
- 239000000758 substrate Substances 0.000 claims description 32
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000006698 induction Effects 0.000 description 8
- 239000002184 metal Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000002500 effect on skin Effects 0.000 description 4
- 241000208125 Nicotiana Species 0.000 description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
- A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/42—Cooling of coils
Abstract
The application discloses an electromagnetic induction coil, electromagnetic induction device and cigarette heating smoking set, include the combination wire that forms by two piece at least conductor combination, the combination wire is the spiral and extends into multiturn coil, every turn the coil the combination wire is followed the length on the coil axial is greater than the perpendicular to the length on the coil axial. The combined wire of the coil is formed by combining a plurality of conductors, the length of the cross section of the combined wire along the axial direction of the magnetic field is larger than the length of the combined wire along the axial direction of the vertical magnetic field, the cross section of the combined wire is flat, the relative area of adjacent coils is smaller, and the capacitance loss can be reduced; the cross-sectional area of the single wire is small, the effective area of the combined wire through which the current flows is larger, and the equivalent resistance is smaller, so that the electromagnetic induction coil can effectively reduce the energy loss caused by the resistance; and because gaps exist between each conductor, the heat dissipation of the coil is facilitated.
Description
Technical Field
The application relates to the technical field of heating non-combustible tobacco, in particular to an electromagnetic induction coil, an electromagnetic induction device and a cigarette heating smoking set.
Background
The electromagnetic induction heating technology is started to be applied to the technical field of low-temperature cigarette heating due to higher heating efficiency. The electromagnetic induction heating system of the cigarette is characterized in that a conductor material is spirally wound on the outer side of a heating cavity to form an induction coil, alternating current is generated through an electronic control system, the alternating current passes through the coil, heat is generated in a conductor or a magnetic susceptor in the coil due to hysteresis loss and eddy effect, the susceptor can be arranged in or outside a cigarette, and the heat generated by the susceptor is utilized to bake and heat a fuming substance of the cigarette, so that aerosol for sucking is generated.
The coil of the electromagnetic induction heating system of the current cigarette usually adopts a multi-strand coil or a single-strand coil, and the multi-strand coil adopted in the prior art has the problems of larger capacitance loss and larger volume, which is not beneficial to the miniaturized design of the appliance; and by adopting a single-strand coil, due to the skin effect of high-frequency current, the current is concentrated on the surface of the conductor and almost no current passes through the central part of the conductor, so that the effective section equivalent to a wire is reduced, and the problem of increased equivalent resistance exists.
Therefore, how to provide an electromagnetic induction coil, which can reduce the capacitance loss of the electromagnetic induction coil, reduce the resistance of the coil conductor, and improve the electromagnetic heating energy utilization rate is a problem to be solved by those skilled in the art.
Disclosure of Invention
For solving above-mentioned technical problem, this application provides an electromagnetic induction coil, electromagnetic induction device and cigarette heating smoking set, can reduce electromagnetic induction coil's capacitance loss, reduces coil conductor's resistance, improves electromagnetic heating energy utilization ratio.
The technical scheme provided by the application is as follows:
an electromagnetic induction coil comprises a combined wire formed by combining at least two conductors, wherein the combined wire spirally extends to form a multi-turn coil, and the length of the combined wire of each turn of the coil along the axial direction of the coil is larger than the length of the combined wire perpendicular to the axial direction of the coil.
Further, the cross section of the combined wire is flat or rectangular.
Further, the combination wire formed by combining at least two conductors specifically comprises: all conductors are arranged in parallel to form a whole, and an insulating layer is wrapped outside the whole.
Further, the cross section of a single conductor of the combined wire is square, and a plurality of conductors are combined into the combined wire with the rectangular cross section.
An electromagnetic induction device comprises the electromagnetic induction coil and a circuit or a power supply for providing alternating current for the electromagnetic induction coil.
The cigarette heating appliance comprises the electromagnetic induction coil and a circuit or a power supply for providing alternating current for the electromagnetic induction coil, wherein the electromagnetic induction coil generates an induction magnetic field in an electrified state so that a heating body at least partially positioned inside the electromagnetic induction coil heats and is used for heating a fuming substrate.
Further, the heating body is arranged in the electromagnetic induction coil, a fuming substrate accommodating cavity is formed in the heating body, a shell is arranged outside the fuming substrate accommodating cavity, the electromagnetic induction coil is arranged on the shell, and the circuit or the power supply is arranged in the shell.
Further, the inside of the shell is fixedly provided with a coil bracket, the electromagnetic induction coil is wound on the coil bracket, and the fuming substrate accommodating cavity is positioned in the electromagnetic induction coil.
Further, the housing is made of an insulating material.
Further, the heating body is in a columnar, tubular, rod-like, needle-like or rod-like shape coaxially arranged with the electromagnetic induction coil;
alternatively, the heating body is flat, sword-shaped, sheet-shaped or strip-shaped extending in the axial direction of the electromagnetic induction coil.
Further, the heating body is arranged in the electromagnetic induction coil, an insulating layer is arranged between the electromagnetic induction coil and the heating body, and a cavity for accommodating a fuming substrate is arranged in the heating body.
Further, a magnetic shielding layer is arranged outside the electromagnetic induction coil.
The combined wire of the coil is formed by combining a plurality of conductors, the length of the cross section of the combined wire along the axial direction of the magnetic field is larger than the length of the combined wire along the axial direction of the vertical magnetic field, the cross section of the combined wire is flat, the relative area of adjacent coils is smaller, and the capacitance loss can be reduced; the cross-sectional area of the single wire is smaller, the current is concentrated on the surface of the conductor due to the skin effect, and the area of the center of the conductor, through which no current flows, is smaller, so that the effective area through which the total current of the combined wires flows is larger, and the equivalent resistance is smaller, and therefore, the electromagnetic induction coil can effectively reduce the energy loss caused by the resistance; and the electromagnetic induction coil is formed by combining a plurality of conductors to form a conducting wire and is wound, and the gap exists between each conductor, so that the heat dissipation of the electromagnetic induction coil is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an electromagnetic induction coil according to an embodiment of the present application;
fig. 2 is a schematic structural view of a cigarette heating smoking set according to an embodiment of the present application;
fig. 3 is a schematic structural view of another cigarette heating smoking set according to an embodiment of the present application.
Reference numerals: 1 conductor, 2 combined lead, 3 shell, 4 heating body, 5 fuming substrate, 6 insulating layer, 7 power slot.
Detailed Description
In order to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; the method comprises the steps of carrying out a first treatment on the surface of the When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" or "a number" is two or more, unless explicitly defined otherwise.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.
As shown in fig. 1, an embodiment of the present application provides an electromagnetic induction coil, including a combined conductor 2 formed by combining at least two conductors 1, the combined conductor 2 spirally extends into a multi-turn coil, and the combined conductor 2 of each turn of the coil has a length L along the axial direction of the coil 1 Greater than length L perpendicular to the axial direction of the coil 2 。
For the coil that the cross section of the wire of induction coil is circular among the prior art, the side of many wires constitution just faces the area great, leads to capacitive loss too big, and induction coil whole volume is great, does not utilize the miniaturized design of utensil. The electromagnetic induction coil provided in this embodiment has a combined conductor 2 formed by combining a plurality of conductors 1, and has a cross section L of the combined conductor 2 along the axial length of the coil 1 Greater than the length L of the vertical coil in the axial direction 2 The cross section of the combined lead 2 is flat, and compared with the cross section of the lead of the induction coil in the prior art, the relative area of the adjacent coils is smaller, and the capacitance of two charged objects is in direct proportion to the surface area of the adjacent surfaces, so that the capacitance loss of the electromagnetic induction coil provided by the technical scheme is smaller, and the capacitance loss is reduced; the cross section of the combined lead 2 is flat, which is beneficial to reducing the volume of the product, and the product has small volume and is convenient to carry;
in addition, for the induction coil in the prior art, a single wire is adopted, due to the skin effect of high-frequency current, the current is concentrated on the surface of the conductor 1, but almost no current passes through the central part of the conductor 1, if the coil adopts a single conductor 1 with rectangular cross-sectional area, the cross-sectional area equivalent to the conductor 1 is reduced, and the resistance is increased, so that the coil with the same cross-sectional area of the conductor 1 has equivalent resistance larger than that of the coils with a plurality of conductors 1, and the coil with a flat single conductor 1 can cause the resistance to be increased to a certain extent. According to the technical scheme, the combined conductor 2 is formed by the plurality of conductors 1, the cross-sectional area of each conductor 1 is smaller than that of a single conductor in the prior art, so that when high-frequency alternating current passes through the coil, the current is concentrated on the surface of the conductor 1 due to the skin effect, compared with the case that the coil adopts the single conductor, the area of the center of the conductor 1 of the combined conductor 2, through which no current flows, is smaller, and the total surface of the combined conductor 2 is larger, so that the coil manufactured by the combined conductor 2 is larger in effective area through which the current flows, and smaller in equivalent resistance, and therefore the electromagnetic induction coil can effectively reduce energy loss caused by resistance. In addition, the electromagnetic induction coil which is formed by combining a plurality of conductors 1 and is wound by a wire is more beneficial to heat dissipation of the electromagnetic induction coil because gaps exist between each conductor 1.
Specifically, the cross section of the combined wire 2 is flat or rectangular. The rectangular long edge coils are axially arranged, the rectangular wide edges are axially arranged along the vertical coils, the coils with the same diameter are formed by winding the combined lead wires 2, the thickness of the coils is smaller, and the relative area between the adjacent coils is smaller.
The present embodiment further describes how a plurality of wires are arranged to form a combined wire 2, and the combined wire 2 formed by combining at least two of the conductors 1 is specifically: all conductors 1 are arranged in parallel to form a whole, and an insulating layer is wrapped outside the whole. The conductors 1 are arranged in parallel along the axial direction of the coil to form a combined wire 2 integrally, and are spirally wound to form a coil, and an insulating layer is arranged outside the combined wire 2 and can be made of insulating paint.
Specifically, the cross section of a single conductor 1 of the combined wire 2 is square, and a plurality of conductors 1 are combined into the combined wire 2 with a rectangular cross section. The cross section of the single conductor 1 constituting the combined conductor 2 is preferably square, the plurality of conductors 1 are arranged side by side along the axial direction of the coil, and the cross section of the combined conductor 2 is rectangular.
The embodiment also provides an electromagnetic induction device, which comprises the electromagnetic induction coil and a circuit or a power supply for providing alternating current for the electromagnetic induction coil. The electromagnetic induction device also has the beneficial effects of the electromagnetic induction coil, and can reduce capacitance loss and equivalent resistance, thereby effectively reducing energy loss and improving the electromagnetic heating energy utilization rate.
The embodiment also provides a cigarette heating appliance, which comprises the electromagnetic induction coil and a circuit or a power supply for providing alternating current for the electromagnetic induction coil, wherein the electromagnetic induction coil generates an induction magnetic field in an electrified state so as to heat a heating body at least partially positioned inside the electromagnetic induction coil and heat a fuming substrate 5.
Specifically, the heating body may be fixedly disposed inside the electromagnetic induction coil, or may be disposed inside the smoking substrate, and the heating device itself does not include the heating body, when the heating device is used for sucking, the smoking substrate with the heating body is placed into the electromagnetic induction coil, the electromagnetic induction coil generates an induction magnetic field in an energized state, the heating body heats under the action of the magnetic field of the electromagnetic induction coil, and the heating body heats the smoking substrate 5.
Wherein, the heating body 4 can be made of electric conductivity or magnetic material, the heating body 4 can generate heat under the action of the magnetic field of the electromagnetic induction coil, and concretely, the heating body can be all-metal; the method comprises the steps of carrying out a first treatment on the surface of the Or, a metal-containing heating structure composed of a metal and an electrically insulating material, for example, a ceramic substrate surface is coated with a metal conductive material, or a metal is sandwiched inside, inside or outside the electrically insulating wall according to actual needs.
This embodiment provides an implementation manner, as shown in fig. 2, the heating body is disposed inside the electromagnetic induction coil, a fuming substrate accommodating cavity is disposed outside the heating body, a casing is disposed outside the fuming substrate accommodating cavity, the electromagnetic induction coil is disposed on the casing, and the circuit or the power supply is disposed inside the casing.
Specifically, the outside of heating member 4 is equipped with casing 3, constitute the matrix that fuming holds the chamber between casing 3 and the heating member 4, electromagnetic induction coil locates on casing 3, make heating member 4 be located electromagnetic induction coil's inside, casing 3 inside is equipped with power supply groove 7 and circuit board, be used for installing the battery in the power supply groove 7, power supply groove 7 positive pole and negative pole respectively with the control circuit electric connection on the circuit board, control circuit and electromagnetic induction coil electric connection, the battery is used for providing alternating current for electromagnetic induction coil through control circuit, of course, control circuit also can be direct with external power electric connection, provide alternating current for electromagnetic induction coil, heating member 4 can generate heat under electromagnetic induction coil's effect. The smoking substrate accommodating cavity is used for accommodating a smoking substrate 5 to be heated and smoked, and the heating body 4 is positioned in the middle of the smoking substrate 5, wherein the smoking substrate 5 can be a substance which can generate aerosol for smoking when being heated, such as cigarettes, tobacco or tobacco paste. When the electromagnetic coil is energized, the heating body 4 heats the smoking substrate 5 outside thereof, so that the smoking substrate 5 can generate aerosol for the user to inhale.
In this embodiment, a coil bracket is fixedly disposed on the inner side of the housing 3, the electromagnetic induction coil is wound on the coil bracket, and the fuming substrate accommodating cavity is located inside the electromagnetic induction coil. The electromagnetic induction coil is fixed on the inner side of the shell through the coil bracket, and the fuming substrate accommodating cavity is positioned between the heating body 4 and the electromagnetic induction coil, so that the heating body 4 generates heat due to the magnetic field generated by the electromagnetic induction coil.
Preferably, the housing 3 is made of an insulating material. The shell 3 is preferably made of ceramic, and has good insulation and heat-insulation effects. A control button can be arranged on the shell 3 and is connected with the control circuit for controlling the power supply to electrify or cut off the electromagnetic induction circuit.
The present embodiment describes the structure of the heating body 4, and the heating body 4 is in a columnar, tubular, rod-like, needle-like or rod-like shape coaxially arranged with the electromagnetic induction coil;
alternatively, the heating body 4 may have a flat, sword-like, sheet-like or strip-like shape extending in the axial direction of the electromagnetic induction coil.
In this embodiment, the heating body 4 adopts the above-mentioned shape structure, which is convenient for the heating body 4 to heat the fuming substrate 5 in the fuming substrate 5 accommodating cavity, and is convenient for the heating body 4 to be inserted into the fuming substrate 5. The preferred heated end is pointed.
The embodiment provides another implementation manner, as shown in fig. 3, a heating body 4 is arranged inside the electromagnetic induction coil, an insulating layer is arranged between the electromagnetic induction coil and the heating body, and a cavity for accommodating a fuming substrate is arranged inside the heating body.
Specifically, the electromagnetic induction coil is directly spirally wound outside the heating body 4, an insulating layer 6 is arranged between the heating body 4 and the electromagnetic induction coil, the fuming substrate 5 is arranged inside the heating body during smoking, and the heating body heats the fuming substrate 5 from outside. Further optimizing technical scheme, electromagnetic induction coil's outside is equipped with the shell, and the shell is used for holding electromagnetic induction coil and heat-generating body to the inside power slot 7 and the control panel of still can being equipped with of shell, power slot 7 and the specific setting mode of control panel can be the same with the preceding. Preferably, the housing is made of a high temperature resistant insulating material, such as ceramic or a high temperature resistant insulating polymer material.
In order to prevent electromagnetic leakage, the outside of the electromagnetic induction coil is provided with a magnetic shielding layer. The magnetic shielding layer is arranged, so that electromagnetic leakage can be effectively prevented.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. An electromagnetic induction coil, characterized by comprising a combined wire formed by combining at least two conductors, wherein the combined wire spirally extends into a multi-turn coil, and the length of the combined wire of each turn of the coil along the axial direction of the coil is larger than the length of the combined wire perpendicular to the axial direction of the coil.
2. An electromagnetic coil as set forth in claim 1, wherein said composite conductor has a flat or rectangular cross section.
3. An electromagnetic coil according to claim 1, wherein the combination of at least two of the conductors is specifically: all conductors are arranged in parallel to form a whole, and an insulating layer is wrapped outside the whole.
4. An electromagnetic coil according to any one of claims 1 to 3, wherein a cross section of a single one of said conductors of said combined conductor is square, and a plurality of said conductors are combined into said combined conductor having a rectangular cross section.
5. An electromagnetic induction device comprising an electromagnetic induction coil according to any one of claims 1-4 and a circuit or power supply for supplying an alternating current to the electromagnetic induction coil.
6. A cigarette heating appliance comprising an electromagnetic induction coil as claimed in any one of claims 1 to 4 and a circuit or power supply for supplying an alternating current to the electromagnetic induction coil, the electromagnetic induction coil producing an induced magnetic field in an energized state to cause heating of a heating body located at least partially within the electromagnetic induction coil for heating a smoking substrate.
7. The cigarette heating appliance of claim 6, wherein the heating body is disposed inside the electromagnetic induction coil, a fuming substrate accommodating cavity is disposed outside the heating body, a housing is disposed outside the fuming substrate accommodating cavity, the electromagnetic induction coil is disposed on the housing, and the circuit or the power supply is disposed inside the housing.
8. The cigarette heating appliance of claim 7, wherein a coil support is fixedly arranged on the inner side of the housing, the electromagnetic induction coil is wound on the coil support, and the smoking substrate accommodating cavity is located inside the electromagnetic induction coil.
9. The cigarette heating appliance of claim 7 wherein the housing is made of an insulating material.
10. A cigarette heating appliance according to claim 7, wherein the heating body is in a columnar, tubular, rod-like, needle-like or rod-like shape coaxially arranged with the electromagnetic induction coil;
alternatively, the heating body is flat, sword-shaped, sheet-shaped or strip-shaped extending in the axial direction of the electromagnetic induction coil.
11. The cigarette heating appliance of claim 6, wherein the heating body is disposed inside the electromagnetic induction coil, an insulating layer is disposed between the electromagnetic induction coil and the heating body, and a cavity for accommodating a smoking substrate is disposed inside the heating body.
12. A cigarette heating appliance as claimed in any one of claims 6 to 11 wherein the electromagnetic coil is provided externally with a magnetic shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310426871.9A CN116437513A (en) | 2023-04-19 | 2023-04-19 | Electromagnetic induction coil, electromagnetic induction device and cigarette heating smoking set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310426871.9A CN116437513A (en) | 2023-04-19 | 2023-04-19 | Electromagnetic induction coil, electromagnetic induction device and cigarette heating smoking set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116437513A true CN116437513A (en) | 2023-07-14 |
Family
ID=87090586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310426871.9A Pending CN116437513A (en) | 2023-04-19 | 2023-04-19 | Electromagnetic induction coil, electromagnetic induction device and cigarette heating smoking set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116437513A (en) |
-
2023
- 2023-04-19 CN CN202310426871.9A patent/CN116437513A/en active Pending
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