An electromagnetic heating smoking device with adjustable heating area

By designing a rotatable induction coil and adjustable thermal sensor in the electromagnetic heating smoke tool, the heating inhomogeneity problem is solved, and the full heating and uniform suction of the tobacco material section is achieved, which improves the utilization rate of cigarette support and the suction experience.

CN114431544BActive Publication Date: 2025-07-22CHINA TOBACCO YUNNAN IND
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Patent Information

Application Number
CN202210186623.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-02-28
Publication Date
2025-07-22
Estimated Expiration
2042-02-28

AI Technical Summary

Technical Problem

The heating unevenness of existing electromagnetic heating smoke utensils leads to fluctuations in the smoke release amount of tobacco material sections, and there are problems of waste and uneven suction taste.

Method used

By designing a rotatable induction coil and an adjustable thermal receptor, centralized heating of different areas of the atomized core of the tobacco material segment is achieved. The induction coil rotates around the central axis and adjusts the density area of the thermal receptor to ensure heating uniformity.

Benefits of technology

The full heating of the tobacco material section is achieved, the heating blind spot is avoided, the utilization rate of cigarettes is improved, the smoke volume is adjustable, and the suction taste is more uniform and comfortable.

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Abstract

The present invention discloses an electromagnetic heating smoking device with adjustable heating area, which comprises: an air heating system (1), a tobacco material heating system (2) and a power control system (3). The electromagnetic heating smoking device of the present invention can centrally heat different areas of the atomization core of the tobacco material section 4. The cigarette is heated more sufficiently, the amount of smoke can be adjusted, and the utilization rate of the cigarette is improved.
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Description

Technical Field

[0001] The present invention belongs to the technical field of tobacco, and particularly relates to an electromagnetic heating smoking device with an adjustable heating area. Background Art

[0002] When traditional tobacco burns, harmful substances such as tar, carbon monoxide, and polycyclic aromatic hydrocarbons are generated. These harmful substances will cause harm to the human body after entering the human body. Heat-not-burn tobacco products only heat the tobacco material or tobacco extract rather than burn it, and the harmful substances released in their smoke are greatly reduced, and the harm to the environment and the surrounding people is also greatly reduced. By heating the heat-not-burn tobacco product to release volatile flavor components, it can provide consumers with a certain feeling of tobacco characteristics.

[0003] The electromagnetic induction heating mode is a heating technology with good application prospects. It uses the principle of high-frequency electric heating to generate a high-frequency magnetic field with a high-frequency current. When the magnetic force lines in the magnetic field act on the receptor heating element, the magnetic force lines are cut, generating a large number of small eddy currents, so that the receptor heating element itself quickly heats up, thereby achieving the purpose of heating the tobacco. However, due to the uneven distribution of the magnetic induction lines generated by the induction coil in space, the energy induced by the receptor heating element is also unevenly distributed along the axis of the smoking device, resulting in uneven nicotine release amounts in the tobacco material section before and after. Therefore, the electromagnetic induction heating smoking devices of the prior art have the following disadvantages: 1. The uniformity of the cigarette taste is poor. When the electromagnetic heating smoking device works, the energy in the middle of the receptor heating element is higher than that at both ends of the receptor heating element, resulting in high and low fluctuations in the smoke release amount of the tobacco material section during the entire smoking process, and the uniformity of the cigarette taste is poor. 2. Waste of tobacco raw materials. The positions of the receptor heating element and the induction coil of the electromagnetic heating smoking device are relatively fixed and cannot be adjusted; when the smoking device works, there are blind spots in the receptor heating, resulting in waste of tobacco because some tobacco material sections fail to be heated.

[0004] The present invention is proposed to solve the above problems. Summary of the Invention

[0005] The present invention discloses an electromagnetic heating smoking device with an adjustable heating area. The induction coil of the smoking device of the present invention can rotate, and the density area of the thermal receptor can be adjusted; so that the heating area can be adjusted, which is beneficial to heating different areas of the atomization core of the tobacco material targeted.

[0006] The technical solution of the present invention is as follows:

[0007] An electromagnetic heating smoking device with an adjustable heating area, which includes: an electromagnetic heating system 1, a tobacco material heating system 2, and a power supply control system 3;

[0008] The electromagnetic heating system 1 includes: a rotating bracket 12, a heat sensor 13, and an induction coil 14; the heat sensor 13 and the rotatable bracket 12 are each cylindrical, the rotatable bracket 12 is arranged outside the heat sensor 13, and the induction coil 14 is arranged on the outer wall of the rotatable bracket 12; the rotatable bracket 12 can rotate circumferentially along its central axis;

[0009] The tobacco material heating system 2 includes a cylindrical outer shell 21 with a sandwich layer, and there are holes on the inner wall of the inner layer of the outer shell 21; the sandwich layer is an air channel 22;

[0010] The power control system 3 includes a power supply 31 and a control circuit board 32; the power control system 3 is electrically connected to the induction coil 14.

[0011] Preferably, the induction coil 14 is a disk-shaped multi-turn formed by winding a metal wire on a plane, and the whole is then bent into an arc shape and arranged on the outer wall of the rotatable bracket 12.

[0012] Preferably, the induction coil 14 is one or more.

[0013] Preferably, the effective material of the heat sensor 13 is a ferromagnetic material layer, and the ferromagnetic material layer is formed by radially surrounding a plurality of heating strips 131, and the heating strips 131 are parallel to each other and the distance between them is adjustable.

[0014] Preferably, the effective heating length of the heat sensor 13 is the same as the length of the atomization core of the tobacco material section 4.

[0015] Preferably, a heat insulation sleeve 23 is arranged in the sandwich layer of the outer shell 21, and the rotatable bracket 12 and the induction coil 14 are arranged between the outer wall of the heat insulation sleeve 23 and the inner wall of the outer layer of the outer shell 21.

[0016] Preferably, the rotating bracket 12 and the heat sensor 13 are arranged on the base 11.

[0017] The method of sucking using the electromagnetic heating smoking device with adjustable heating area of the present invention is as follows: Place the tobacco material section 4 into the heat sensor 13; energize the induction coil 14 to heat up the heat sensor 13 to heat the atomization core of the tobacco material section 4, and sucking can be carried out. Rotate the rotatable bracket 12 as needed to drive the induction coil 14 to rotate, so as to selectively heat different areas of the heat sensor 13, thereby heating different areas of the atomization core of the tobacco material section 4; at the same time, according to the need, adjust the distance between the heating bars 131 to make the effective material of the heat sensor 13, that is, the ferromagnetic material layer, denser, thereby further heating the area of the heat sensor 13, so that the area of the atomization core of the tobacco material section 4 is further intensively heated. The heated area of the atomization core of the tobacco material section 4 is more sufficient; the amount of smoke can be adjusted, and the utilization rate of the cigarette is improved. There is no blind area in the heating of the atomization core of the tobacco material section 4, and the cigarette is not wasted; the nicotine release is more complete, and the sucking taste is more uniform and comfortable.

[0018] Advantages of the present invention:

[0019] 1. For the electromagnetic heating smoking device of the present invention, its induction coil 14 can rotate circumferentially along its central axis following the rotatable bracket 12, so as to move circumferentially around the receptor, making different areas of the receptor generate heat, thereby intensively heating different areas of the atomization core of the tobacco material section 4. The cigarette is heated more sufficiently, the amount of smoke can be adjusted, and the utilization rate of the cigarette is improved.

[0020] 2. For the electromagnetic heating smoking device of the present invention, the effective material of the heat sensor is a ferromagnetic material layer; the ferromagnetic material layer is formed by multiple heating bars radially surrounding, and the heating bars 131 are parallel to each other and the distance between them is adjustable. Under the action of the rotatable induction coil 14, it is possible to intensively heat a certain part of the atomization core of the tobacco material section 4, so that there is no blind area in the heating of the atomization core; the nicotine release of the tobacco material is more complete, and the sucking taste is more uniform and comfortable. Description of the Drawings

[0021] Figure 1 It is a schematic diagram of the electromagnetic heating smoking device with adjustable heating area of the present invention.

[0022] Figure 2 It is a schematic diagram of the heat sensor of the present invention.

[0023] Figure 3 It is a schematic diagram of the induction coil of the present invention.

[0024] Figure 4 It is a schematic diagram of two induction coils on the outer wall of the rotatable bracket of the present invention.

[0025] The reference numerals are: 1, electromagnetic heating system; 11, base; 12, rotatable bracket; 13, heat sensor; 131, heating strip; 14, induction coil; 2, tobacco material heating system; 21, housing; 22, air passage; 23, heat insulation sleeve; 3, power control system; 31, power supply; 32, control circuit board; 4, tobacco material. Detailed implementation manners

[0026] To have a further understanding and recognition of the structural features and achieved effects of the present invention, the present invention will be described in detail below with reference to the embodiments and the drawings.

[0027] Embodiment 1

[0028] As Figure 1 shown, an electromagnetic heating smoking device with adjustable heating area of the present invention includes: an electromagnetic heating system 1, a tobacco material heating system 2 and a power control system 3; the electromagnetic heating system 1 includes: a rotatable bracket 12, a heat sensor 13 and an induction coil 14; the heat sensor 13 and the rotatable bracket 12 are respectively cylindrical, the rotatable bracket 12 is arranged outside the heat sensor 13, and the induction coil 14 is arranged on the outer wall of the rotatable bracket 12, as Figure 4 shown; the rotatable bracket 12 can rotate circumferentially along its central axis; the rotatable bracket 12 and the heat sensor 13 are arranged on the base 11. The tobacco material heating system 2 includes a cylindrical housing 21 with a sandwich layer, and there are holes on the inner wall of the inner layer of the housing 21; the sandwich layer is an air passage 22; the power control system 3 includes a power supply 31 and a control circuit board 32; the power control system 3 is electrically connected to the induction coil 14. The effective heating length of the heat sensor 13 is the same as the length of the atomization core of the tobacco material section 4. A heat insulation sleeve 23 is arranged in the sandwich layer of the housing 21, and the rotatable bracket 12 and the induction coil 14 are arranged between the outer wall of the heat insulation sleeve 23 and the inner wall of the outer layer of the sandwich layer of the housing 21.

[0029] As Figure 2 shown, the effective material of the heat sensor 13 is a ferromagnetic material layer, and the ferromagnetic material layer is formed by a plurality of heating strips 131 radially surrounding, and the heating strips 131 are parallel to each other and the distance between them is adjustable.

[0030] As Figure 3 shown, the induction coil 14 is a disc-shaped formed by a metal wire wound in multiple turns on a plane, and then bent into an arc shape and arranged on the outer wall of the rotatable bracket 12, as Figure 4 shown. The induction coil 14 in this embodiment is one.

[0031] The method of sucking with the electromagnetic heating smoking device with adjustable heating area of the present invention is as follows: Put the tobacco material section 4 into the heat sensor 13; Energize the induction coil 14 to heat up the heat sensor 13 to heat the atomization core of the tobacco material section 4, and sucking can be carried out. Rotate the rotatable bracket 12 as needed to drive the induction coil 14 to rotate, so that different areas of the heat sensor 13 can be heated targeted, so as to intensively heat different areas of the atomization core of the tobacco material section 4; At the same time, as needed, adjust the distance between the heating strips 131 to make the effective material of the heat sensor 13, that is, the ferromagnetic material layer, denser, so as to further heat the area of the heat sensor 13, so that the area of the atomization core of the tobacco material section 4 is further intensively heated. The atomization core is heated more fully, the amount of smoke can be adjusted, and the utilization rate of the cigarette is improved; There is no blind area in the heating of the atomization core of the tobacco material section 4; The nicotine is released more completely, and the sucking taste is more uniform and comfortable.

[0032] Embodiment 2

[0033] Same as Embodiment 1, there are two induction coils 14, such as Figure 4 shown.

[0034] The above is only the specific implementation manner of the present invention, but it is not a limitation to the present invention. Those skilled in the art can modify and improve according to the basic idea of the present invention, but as long as they do not depart from the basic idea of the present invention, they are all within the protection scope of the present invention.

Claims

1. An electromagnetic heating smoking device with adjustable heating area, characterized in that, It includes: An electromagnetic heating system (1), a tobacco material heating system (2), and a power control system (3); The electromagnetic heating system (1) includes: a rotating bracket (12), a heat sensor (13), and an induction coil (14); the heat sensor (13) and the rotatable bracket (12) are respectively cylindrical, the rotatable bracket (12) is arranged on the periphery of the heat sensor (13), and the induction coil (14) is arranged on the outer wall of the rotatable bracket (12); the rotatable bracket (12) can rotate circumferentially along its central axis; The tobacco material heating system (2) includes a cylindrical outer shell (21) with a sandwich layer, and there are holes on the inner wall of the inner layer of the outer shell (21); the sandwich layer is an air passage (22); The power control system (3) includes a power supply (31) and a control circuit board (32); the power control system (3) is electrically connected to the induction coil (14); The induction coil (14) is a disk-shaped multi-turn winding of a metal wire on a plane, and is then bent into an arc shape and arranged on the outer wall of the rotatable bracket (12); The effective material of the heat sensor (13) is a ferromagnetic material layer, and the ferromagnetic material layer is formed by radially surrounding a plurality of heating strips (131), and the heating strips (131) are parallel to each other and the distance between them is adjustable.

2. The electromagnetic heating smoking device according to claim 1, characterized in that, The induction coil (14) is one or more.

3. The electromagnetic heating smoking device according to claim 1, wherein The effective heating length of the heat sensor (13) is the same as the length of the atomizing core of the tobacco material section (4).

4. The electromagnetic heating smoking device according to claim 1, wherein An insulating sleeve (23) is arranged in the sandwich layer of the outer shell (21), and the rotatable bracket (12) and the induction coil (14) are arranged between the outer wall of the insulating sleeve (23) and the inner wall of the outer layer of the outer shell (21).

5. The electromagnetic heating smoking device according to claim 1, characterized in that, The rotating bracket (12) and the heat sensor (13) are arranged on the base (11).

Citation Information

Patent Citations

  • Electromagnetic heating smoking set with adjustable heating area

    CN217065421U