A temperature-sensing magnetic heating structure and aerosol generating device

By integrating a magnetic heating structure into the aerosol generator and combining magnetic conductive components and temperature measuring components, the problem of separating magnetic induction heating and temperature detection modules is solved, thus achieving miniaturization and high integration of the device.

CN116268635BActive Publication Date: 2025-11-14SHENZHEN JIYOU TECH CO LTD
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Patent Information

Application Number
CN202310373536.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-10
Publication Date
2025-11-14
Estimated Expiration
2043-04-10

AI Technical Summary

Technical Problem

The existing aerosol generators separate the magnetic induction heating and temperature detection modules, resulting in a large device size and low integration.

Method used

An integrated magnetic heating structure is adopted, which integrates magnetic induction heating and temperature measurement by inserting a heating element and a temperature measuring element through a magnetic conductor. The structure includes a magnetic conductor, a heating element, and a temperature measuring element. The temperature measuring element is connected to a circuit board to realize temperature detection.

Benefits of technology

The heating and temperature measurement systems of the aerosol generator have been integrated, reducing the size of the device, saving space and lowering processing costs.

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Abstract

This invention provides a temperature-sensing magnetic heating structure and an aerosol generating device. The temperature-sensing magnetic heating structure includes a magnetic conductor, a heating element, and a temperature measuring element. The magnetic conductor includes a magnetic core, an electromagnetic element, and an alternating magnetic field generating element. The magnetic core is connected to the electromagnetic element, and the alternating magnetic field generating element is wound around the electromagnetic element. The magnetic core is hollow, and its periphery is used to contact the aerosol generating matrix. When the magnetic conductor is energized, the alternating magnetic field generating element generates a magnetic field, and the electromagnetic element is guided to the magnetic core through the electromagnetic element. The heating element is inserted into the magnetic core and generates heat through the magnetic core to heat the magnetic core, thereby heating the aerosol generating matrix. One end of the temperature measuring element is connected to the heating element, and the other end is used to connect to a circuit board. The temperature measuring element is used to detect the temperature of the heating element. This integrates the heating and temperature measuring systems of the aerosol generating device, modularizes the electromagnetic heating and temperature measuring, reduces the size, and saves processing costs.
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Description

Technical Field

[0001] This invention relates to the field of electronic product manufacturing, and more particularly to a temperature-sensing magnetic heating structure and an aerosol generating device. Background Technology

[0002] With the increasing prevalence of electronic products in daily life, the demand for aerosol generators is growing. Currently, most aerosol generators on the market utilize magnetic induction to heat metal components, thereby generating the aerosol matrix. The conductive coil is typically mounted on the metal component. To improve the safety of aerosol generators, temperature detection is necessary. Existing technology uses a circuit with a detection module electrically connected to a sensor. The detection module measures the sensor's resistance to determine its temperature. This structure is complex, with heating and temperature measurement performed separately, resulting in low integration and a large required size for the aerosol generator. Summary of the Invention

[0003] Embodiments of the present invention provide a temperature-sensing magnetic heating structure and an aerosol generating device, so as to integrate the magnetic induction heating and temperature measurement system into a modular design, thereby making the aerosol generating device smaller in size.

[0004] This invention provides a temperature-sensing magnetic heating structure, comprising:

[0005] A magnetic conductor includes a magnetic core, an electromagnetic part, and an alternating magnetic field generating part. The magnetic core is connected to the electromagnetic part, and the alternating magnetic field generating part is wound around the electromagnetic part. The magnetic core is hollow, and the periphery of the magnetic core is used to contact the aerosol generating matrix. When the magnetic conductor is energized, the alternating magnetic field generating part generates a magnetic field, and the electromagnetic part is guided to the magnetic core through the electromagnetic part.

[0006] A heating element is disposed in the magnetic core portion. The heating element generates heat through the magnetic core portion to heat the magnetic core portion, thereby causing the magnetic core portion to heat the aerosol to generate a matrix.

[0007] A temperature measuring element, one end of which is connected to the heating element, and the other end of which is used to connect to the circuit board;

[0008] The temperature measuring element is used to detect the temperature of the heating element.

[0009] In the temperature-sensing magnetic heating structure provided by the present invention, the temperature-sensing magnetic heating structure is provided with two opposing temperature measuring elements. One end of each of the two temperature measuring elements is used to connect to the circuit board, and the other end is connected to the periphery of the heating element or the end near one end of the circuit board.

[0010] In the temperature-sensing magnetic heating structure provided by the present invention, the temperature measuring element is a temperature-sensitive wire, which includes an inner wire segment and an outer wire segment. The inner wire segment is fixed on the heating element, and one end of the outer wire segment is connected to one end of the inner wire segment, while the other end is connected to the circuit board.

[0011] In the temperature-sensitive magnetic heating structure provided by the present invention, the heating element is provided with a cylindrical heating part, and two temperature-sensitive lines are arranged opposite to each other on the periphery of the cylindrical heating part.

[0012] In the temperature-sensitive magnetic heating structure provided by the present invention, the heating element is provided with a sheet-like heating part, the sheet-like heating part has two flat and oppositely arranged planes, and the two temperature-sensitive lines are respectively arranged on the two planes.

[0013] In the temperature-sensing magnetic heating structure provided by the present invention, the heating element includes a heating part and a guiding part, the heating part and the guiding part are connected, the heating part includes a channel that runs through the entire axial direction of the heating part, and the channel passes through the other two opposite sides of the heating part to form a first heating part and a second heating part, and one end of the two temperature measuring elements is respectively connected to the first heating part and the second heating part.

[0014] In the temperature-sensing magnetic heating structure provided by the present invention, the heating part is a cylindrical heating part, the channel radially penetrates the cylindrical heating part, so that the first heating part and the second heating part are semi-cylindrical, and one end of the two temperature measuring elements is respectively connected to the ends of the first heating part and the second heating part.

[0015] In the temperature-sensing magnetic heating structure provided by the present invention, the heating part is a sheet-shaped heating part, the sheet-shaped heating part has two flat and oppositely arranged planes, the channel passes through the two planes, the first heating part and the second heating part are located on both sides of the channel, and one end of the two temperature measuring elements is respectively connected to the end of the first heating part and the end of the second heating part.

[0016] In the temperature-sensing magnetic heating structure provided by the present invention, the temperature measuring element is a thermocouple wire.

[0017] The present invention also provides an aerosol generating apparatus, comprising:

[0018] A temperature-sensitive magnetic heating structure, wherein the temperature-sensitive magnetic heating structure is any one of the above-mentioned temperature-sensitive magnetic heating structures.

[0019] This invention provides a temperature-sensing magnetic heating structure and an aerosol generating device. The temperature-sensing magnetic heating structure includes a magnetic conductor, a heating element, and a temperature measuring element. The magnetic conductor includes a magnetic core, an electromagnetic part, and an alternating magnetic field generating part. The magnetic core is connected to the electromagnetic part, and the alternating magnetic field generating part is wound around the electromagnetic part. The magnetic core is hollow, and its periphery is used to contact the aerosol generating matrix. When the magnetic conductor is energized, the alternating magnetic field generating part generates a magnetic field, and the electromagnetic part is guided to the magnetic core through the electromagnetic part. The heating element is inserted into the magnetic core and generates heat through the magnetic core to heat the magnetic core, thereby heating the aerosol generating matrix. One end of the temperature measuring element is connected to the heating element, and the other end is used to connect to a circuit board. The temperature measuring element is used to detect the temperature of the heating element. In this application, a temperature measuring element is mounted on the heating element in a circumferential eddy current magnetic field, and the heating element and the temperature measuring element are inserted into the magnetic conductive element. One end of the temperature measuring element is connected to the circuit board, thereby realizing the integration of heating and temperature measurement systems of the aerosol generator. Compared with the original technology, which requires the installation of a detection module, this structure modularizes electromagnetic heating and temperature measurement, resulting in a smaller size and saving processing costs. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1a and Figure 1b This is a schematic diagram illustrating the combination of different heating elements and temperature measuring elements in embodiments of the present invention;

[0022] Figure 2 This is a cross-sectional view of the aerosol generating device in an embodiment of the present invention;

[0023] Figure 3a and Figure 3b This is another schematic diagram showing the combination of different heating elements and temperature measuring elements in an embodiment of the present invention;

[0024] Figure 4 This is another cross-sectional view of the aerosol generating device in an embodiment of the present invention;

[0025] The labels for the attached figures are as follows:

[0026] 100. Heating element; 110. Heating section; 111. Channel; 112. First heating section; 113. Second heating section; 120. Guide section; 200. Magnetic conductor; 210. Magnetic core section; 220. Electromagnetic section; 221. Alternating magnetic field generating section; 300. Temperature measuring element; 310. Internal wiring segment; 320. External wiring segment; 400. Circuit board; 500. Battery. Detailed Implementation

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0028] Reference Figures 1a to 4 This invention demonstrates an embodiment of a temperature-sensitive magnetic heating structure. The temperature-sensitive magnetic heating structure includes a magnetic conductor 200, a heating element 100, and a temperature measuring element 300. The magnetic conductor 200 includes a magnetic core 210, an electromagnetic element 220, and an alternating magnetic field generating element 221. The magnetic core 210 is connected to the electromagnetic element 220, and the alternating magnetic field generating element 221 is wound around the electromagnetic element 220. The magnetic core 210 is hollow, and its periphery is used to contact the aerosol generating matrix. When the magnetic conductor 200 is energized, the alternating magnetic field generating element 300 generates an alternating magnetic field. Electromagnetic element 221 generates a magnetic field, and electromagnetic fields are guided to magnetic core 210 via electromagnetic element 220. Heating element 100 is disposed in magnetic core 210, and heating element 100 generates heat through magnetic core 210 to heat magnetic core 210, so that magnetic core 210 heats aerosol to generate matrix. One end of temperature measuring element 300 is connected to heating element 100, and the other end is used to connect to circuit board 400. Temperature measuring element 300 is used to detect the temperature of heating element 100.

[0029] Specifically, the magnetic conductive element 200 can be ferrite or other magnetically conductive materials, and is not limited thereto. In this embodiment, the magnetic conductive element 200 is made of ferrite, which has high permeability at high frequencies. Meanwhile, in this embodiment, the alternating magnetic field generating part 221 is a conductive coil wound around the lower end of the electromagnetic part 220. The heating element 100 is made of metal materials such as iron-nickel alloy, permalloy, or stainless steel, which can effectively absorb and conduct heat. Furthermore, by inserting the heating element 100 into the magnetic core part 210, the properties of the ferrite can uniformly guide the localized electromagnetic field generated by the alternating magnetic field generating part 221 into the magnetic core part. 210, thereby uniformly heating the heating element 100, which in turn heats the magnetic core 210 of the magnetic conductor 200. The magnetic core 210 heats the aerosol generating matrix surrounding the magnetic core 210, thus generating aerosol. Simultaneously, one end of the temperature measuring element 300 is connected to the heating element 100 and passes through the magnetic conductor 200; the other end is connected to the circuit board 400. This allows the temperature measuring element 300 to simultaneously detect the temperature of the heating element 100 while it generates heat. This structure integrates heating and temperature measurement in the aerosol generator, eliminating the need for an additional detection module, resulting in higher integration, space saving, and portability for the user.

[0030] In one embodiment, reference is made to Figures 1a to 4As shown, the temperature-sensing magnetic heating structure has two opposing temperature sensing elements 300. One end of each temperature sensing element 300 is connected to the circuit board 400, and the other end is connected to the periphery of the heating element 100 or the end of the heating element 100 near the circuit board 400. Specifically, the temperature-sensing magnetic heating structure has two temperature sensing elements 300, and one end of each temperature sensing element 300 is connected to the circuit board 400, and the other end is connected to the periphery of the heating element 100 or the end of the heating element 100 near the circuit board 400. When one end of each of the two temperature sensing elements 300 is connected to the circuit board 400 and the other end is connected to the periphery of the heating element 100, a thermistor temperature measurement method is used, and the two temperature sensing elements 300 directly measure the temperature of the heating element 100. When one end of each of the two temperature sensing elements 300 is connected to the circuit board 400 and the other end is connected to the end of the heating element 100 near the end of the circuit board 400, a thermoelectric resistance (TCR) temperature measurement method is used, and the temperature sensing elements 300 obtain the temperature of the heating element 100 by detecting the change in resistance of the heating element 100. Therefore, this embodiment uses two methods to measure the temperature of the aerosol generator, which has high applicability, integrates heating and temperature measurement of the aerosol generator, saves space, and makes the product more compact and convenient for users to carry.

[0031] In a specific embodiment, refer to Figures 1a to 2 As shown, the temperature measuring element 300 is a temperature-sensitive wire, which includes an inner wiring segment 310 and an outer wiring segment 320. The inner wiring segment 310 is fixed on the heating element 100, and one end of the outer wiring segment 320 is connected to one end of the inner wiring segment 310, while the other end is connected to the circuit board 400. Specifically, to employ a thermistor temperature measurement method, the temperature sensing element 300 is a thermistor wire, which includes an inner wiring segment 310 and an outer wiring segment 320. The inner wiring segment 310 is tightly fixed to the heating element 100, and the contact area between the inner wiring segment 310 and the heating element 100 is greater than or equal to half of the heating element 100, enabling the thermistor wire to more accurately detect the temperature of the heating element 100. The outer wiring segment 320 is connected to one end of the inner wiring segment 310 and the other end is connected to the circuit board 400. In this case, the outer wiring segment 320 is not in contact with the heating element 100. The outer wiring segment 320 can be connected to the circuit board 400 by passing through the electromagnetic part 220 and the alternating magnetic field generating part 221, or it can be connected to the circuit board 400 without passing through the electromagnetic part 220 and the alternating magnetic field generating part 221. No limitation is made here. In this embodiment, the temperature-sensitive wire is closely attached to the heating element 100, making the temperature measured by the temperature-sensitive wire more accurate. In addition, the temperature-sensitive wire is small in size, saving the space occupied by the temperature measurement system and achieving higher integration.

[0032] In one embodiment, reference is made to Figure 1a and Figure 2 As shown, the heating element 100 has a cylindrical heating section, and two temperature-sensitive wires are arranged opposite to each other on the periphery of the cylindrical heating section. Specifically, this embodiment uses a thermistor for temperature measurement. In this case, the heating element 100 has a cylindrical heating section, and the two temperature-sensitive wires are respectively arranged on the periphery of the cylindrical heating section. The inner wiring segment 310 is fixedly connected to the periphery of the cylindrical heating section. Both the inner wiring segment 310 and the cylindrical heating section are installed in the magnetic core 210. One end of the outer wiring segment 320 is connected to one end of the inner wiring segment 310, and the other end is connected to the circuit board 400. When the magnetic conductor 200 is energized, the alternating magnetic field generating part 221 generates a magnetic field. Electromagnetic flux is guided through the electromagnetic part 220 to the magnetic core part 210. The magnetic core part 210 then guides the electromagnetic flux to the cylindrical heating part from all sides. The cylindrical heating part generates heat to heat the magnetic core part 210, ultimately heating the aerosol matrix. Simultaneously, the temperature-sensitive line detects the temperature of the cylindrical heating part and transmits this temperature data to the circuit board 400. This structure is simple, allowing temperature detection directly through the temperature-sensitive line. Furthermore, both the internal wiring segment 310 and the cylindrical heating part are located within the magnetic core part 210, resulting in a small footprint and high integration of the heating and temperature measurement systems.

[0033] In a specific embodiment, refer to Figure 1bAs shown, the heating element 100 has a sheet-like heating section with two flat and oppositely arranged planes. The two temperature-sensitive wires are respectively arranged on the two planes. Specifically, this embodiment uses a thermistor for temperature measurement. The heating element 100 has a sheet-like heating section with two opposite and flat planes. The inner wiring segments 310 of the two temperature-sensitive wires are respectively arranged on the two planes. Both the inner wiring segments 310 and the sheet-like heating section are installed in the magnetic core 210. One end of the outer wiring segment 320 is connected to one end of the inner wiring segment 310, and the other end is connected to the circuit board 400. When the magnetic conductor 200 is energized, the alternating magnetic field generating part 221 generates a magnetic field. Electromagnetic flux is guided through the electromagnetic part 220 to the magnetic core part 210. The two planes of the sheet-like heating part form a bidirectional magnetic field to generate heat, which in turn heats the sheet-like heating part to heat the magnetic core part 210, ultimately heating the aerosol to generate a matrix. Simultaneously, the temperature-sensitive line detects the temperature of the sheet-like heating part and transmits the temperature data to the circuit board 400. This structure is simple, and temperature detection can be achieved directly through the temperature-sensitive line. Furthermore, the internal wiring segment 310 is vertically fixed in the middle of the plane and is located within the magnetic core part 210 along with the sheet-like heating part, resulting in a small footprint and high integration of the heating and temperature measurement systems.

[0034] In one embodiment, reference is made to Figures 3a to 4As shown, the heating element 100 includes a heating part 110 and a guide part 120. The heating part 110 and the guide part 120 are connected. The heating part 110 includes a channel 111 that runs through the entire axial direction of the heating part 110. The channel 111 passes through two other opposite sides of the heating part 110 to form a first heating part 112 and a second heating part 113. One end of each of the two temperature measuring elements 300 is connected to the first heating part 112 and the second heating part 113, respectively. Specifically, the heating element 100 includes a heating section 110 and a guide section 120. The heating section 110 is provided with a channel 111 that runs through the entire axial direction of the heating section 110, and the channel 111 also passes through the other two opposite sides of the heating section 110, so that the heating section 110 is cut by the channel 111 to form a first heating section 112 and a second heating section 113. Since the heating section 110 and the guide section 120 are connected, the first heating section 112, the guide section 120 and the second heating section 113 form a current loop. One end of the two temperature measuring elements 300 is connected to the bottom end of the first heating section 112 and the second heating section 113 respectively. The temperature measuring element 300 detects the resistance change of the heating section 110 according to the resistance generated by the current loop, and detects the temperature of the heating section 110 by TCR temperature measurement, thereby realizing the temperature measurement of the aerosol generating device.

[0035] In a specific embodiment, refer to Figure 3b and Figure 4As shown, the heating part 110 is a cylindrical heating part, and the channel 111 radially penetrates the cylindrical heating part, making the first heating part 112 and the second heating part 113 semi-cylindrical. One end of each of the two temperature measuring elements 300 is connected to the end of the first heating part 112 and the second heating part 113, respectively. Specifically, the heating part 110 is set as a cylindrical heating part. Since the channel 111 radially penetrates the cylindrical heating part, the cylindrical heating part is divided into two semi-cylindrical first heating parts 112 and second heating parts 113. One end of each of the two temperature measuring elements 300 is connected to the end of the first heating part 112 and the second heating part 113, respectively, and the other end is connected to the circuit board 400. When the magnetic conductor 200 is energized, the alternating magnetic field generating part 221 generates a magnetic field. Electromagnetic flux is guided through the electromagnetic part 220 to the magnetic core part 210. The magnetic core part 210 then guides the electromagnetic flux to the first heating part 112 and the second heating part 113 from all sides. The first heating part 112 and the second heating part 113 generate heat to heat the magnetic core part 210, ultimately heating the aerosol matrix. Simultaneously, since the first heating part 112, the guiding part 120, and the second heating part 113 form a current loop, the temperature measuring element 300 detects the resistance change of the cylindrical heating part, thereby determining the temperature of the cylindrical heating part. This structure is simple, with high integration of the heating and temperature measuring systems, and occupies little space.

[0036] In one embodiment, reference is made to Figure 3aAs shown, the heating part 110 is a sheet-shaped heating part with two flat and oppositely arranged planes. The channel 111 passes through the two planes. The first heating part 112 and the second heating part 113 are located on both sides of the channel 111. One end of each of the two temperature measuring elements 300 is connected to the end of the first heating part 112 and the second heating part 113, respectively. Specifically, to make the heating structure of the aerosol generator form a bidirectional magnetic heating structure, the heating part 110 is set as a sheet-shaped heating part with two flat and oppositely arranged planes. The channel 111 passes through the two planes. Therefore, the first heating part 112 and the second heating part 113 formed by the sheet-shaped heating part are located on both sides of the channel 111. At this time, both the first heating part 112 and the second heating part 113 have two flat and oppositely arranged planes. One end of each of the two temperature measuring elements 300 is connected to the end of the first heating part 112 and the second heating part 113, respectively, and the other end is connected to the circuit board 400. When the magnetic conductor 200 is energized, the alternating magnetic field generating part 221 generates a magnetic field. Electromagnetic flux is guided to the magnetic core part 210 via the electromagnetic part 220. The two planes on the first heating part 112 and the second heating part 113 form a bidirectional magnetic field. The first heating part 112 and the second heating part 113 generate heat to heat the magnetic core part 210, ultimately heating the aerosol to form a matrix. Simultaneously, since the first heating part 112, the guiding part 120, and the second heating part 113 form a current loop, the temperature measuring element 300 detects the resistance change of the sheet-like heating part, thereby determining the temperature of the sheet-like heating part. This structure is simple, with high integration of the heating system and the temperature measuring system, and occupies little space.

[0037] In a specific embodiment, refer to Figures 1a to 4 As shown, the temperature sensing element 300 is a thermocouple wire. Specifically, thermocouple wire has the characteristics of simple structure, convenient manufacturing, high measurement accuracy, fast thermal response time, and high temperature resistance. Using thermocouple wire for the temperature sensing element 300 makes the temperature-sensing magnetic heating structure simple in structure, low in cost, high in measurement accuracy, fast in measurement, and long in service life. At the same time, since a thermocouple is a passive sensor, no external power supply is required during measurement, making it very convenient to use.

[0038] This embodiment also provides an aerosol generating device, which includes a temperature-sensing magnetic heating structure. The temperature-sensing magnetic heating structure can be any type of temperature-sensing magnetic heating structure provided by this invention. Since the specific structure and working principle of the temperature-sensing magnetic heating structure have been described in detail in the preceding description, they will not be repeated here for the sake of brevity.

[0039] The aerosol generator in this embodiment adopts the temperature-sensing magnetic heating structure provided by the present invention, which integrates the magnetic induction heating system and the temperature measurement system into a modular design, thereby making the aerosol generator smaller in size.

[0040] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should all be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A temperature-sensing magnetic heating structure, characterized in that, include: A magnetic conductor includes a magnetic core, an electromagnetic part, and an alternating magnetic field generating part. The magnetic core is connected to the electromagnetic part, and the alternating magnetic field generating part is wound around the electromagnetic part. The magnetic core is hollow, and the periphery of the magnetic core is used to contact the aerosol generating matrix. When the magnetic conductor is energized, the alternating magnetic field generating part generates a magnetic field, and the electromagnetic part is guided to the magnetic core through the electromagnetic part. A heating element is disposed in the magnetic core portion. The heating element generates heat through the magnetic core portion to heat the magnetic core portion, thereby causing the magnetic core portion to heat the aerosol to generate a matrix. A temperature measuring element, one end of which is connected to the heating element, and the other end of which is used to connect to the circuit board; The temperature measuring element is used to detect the temperature of the heating element.

2. The temperature-sensing magnetic heating structure according to claim 1, characterized in that, The temperature-sensing magnetic heating structure is provided with two opposing temperature measuring elements. One end of each of the two temperature measuring elements is used to connect to the circuit board, and the other end is connected to the periphery of the heating element or the end near one end of the circuit board.

3. The temperature-sensing magnetic heating structure according to claim 2, characterized in that, The temperature sensing element is a temperature-sensitive wire, which includes an inner wiring segment and an outer wiring segment. The inner wiring segment is fixed on the heating element, and one end of the outer wiring segment is connected to one end of the inner wiring segment, while the other end is connected to the circuit board.

4. The temperature-sensing magnetic heating structure according to claim 3, characterized in that, The heating element has a cylindrical heating section, and two temperature-sensitive wires are arranged opposite to each other on the periphery of the cylindrical heating section.

5. The temperature-sensitive magnetic heating structure according to claim 3, wherein the heating element is provided with a sheet-like heating portion, the sheet-like heating portion having two flat and oppositely arranged planes, and the two temperature-sensitive lines are respectively arranged on the two planes.

6. The temperature-sensing magnetic heating structure according to claim 2, characterized in that, The heating element includes a heating part and a guide part, which are connected. The heating part includes a channel that runs through the entire axial direction of the heating part and passes through two other opposite sides of the heating part to form a first heating part and a second heating part. One end of each of the two temperature measuring elements is connected to the first heating part and the second heating part, respectively.

7. The temperature-sensing magnetic heating structure according to claim 6, characterized in that, The heating part is a cylindrical heating part, and the channel radially penetrates the cylindrical heating part, making the first heating part and the second heating part semi-cylindrical. One end of the two temperature measuring elements is respectively connected to the ends of the first heating part and the second heating part.

8. The temperature-sensing magnetic heating structure according to claim 6, characterized in that, The heating element is a sheet-shaped heating element with two flat and oppositely arranged planes. The channel passes through the two planes. The first heating element and the second heating element are located on both sides of the channel. One end of each of the two temperature measuring elements is connected to the end of the first heating element and the end of the second heating element, respectively.

9. The temperature-sensing magnetic heating structure according to any one of claims 1-8, characterized in that, The temperature measuring element is a thermocouple wire.

10. An aerosol generating device, characterized in that, include: A temperature-sensitive magnetic heating structure, wherein the temperature-sensitive magnetic heating structure is the temperature-sensitive magnetic heating structure described in any one of claims 1 to 9.

Citation Information

Patent Citations

  • Magnetic heating structure with temperature sensing function and aerosol generating device

    CN219781622U