Heating assembly and aerosol generating device

Abstract

The utility model relates to the technical field of aerosol generating devices, and particularly discloses a heating assembly and an aerosol generating device.The heating assembly comprises a containing pipe, a first heating assembly and a second heating assembly, and the containing pipe can contain at least part of a first aerosol product or a second aerosol product; the first heating assembly is provided with at least two heating areas in the length direction of the containing pipe. The first heating assembly and the second heating assembly are sequentially arranged in the length direction of the containing pipe. By means of the mode, the heating assembly can adapt to two different types of aerosol products, and the compatibility of the heating assembly is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aerosol generating device, in particular to a heating assembly and an aerosol generating device. BACKGROUND

[0002] The aerosol generating device is a device that heats an unburned aerosol generating article through a heating assembly to generate an aerosol, thereby allowing a user to inhale the aerosol.

[0003] However, in the process of implementing the embodiments of the present application, the inventors have found that at present, aerosol generating articles with the same outer diameter have two different types, one with a plug and the other without a plug, and the positions of the substrate portions thereof are different, i.e., the heating positions are different, but the existing heating assembly can usually only heat one type of aerosol generating article, resulting in that the heating assembly cannot be adapted to two different types of aerosol generating articles. CONTENT OF THE UTILITY MODEL

[0004] The technical problem solved by the present application is to provide a heating assembly that can solve the problem that the heating assembly cannot be adapted to two different types of aerosol generating articles.

[0005] To solve the above technical problem, one technical solution adopted by the present application is to provide a heating assembly, comprising a containing tube, a first heating assembly and a second heating assembly, the containing tube can accommodate at least part of a first aerosol generating article or a second aerosol generating article; at least two heating zones are arranged along the length direction of the containing tube; the first heating assembly and the second heating assembly are arranged in sequence along the length direction of the containing tube; wherein, when the first aerosol generating article is accommodated in the containing tube, the substrate portion of the first aerosol generating article corresponds to the first heating assembly, and all the heating zones of the first heating assembly are selected to heat the first aerosol generating article; when the second aerosol generating article is accommodated in the containing tube, the position of the substrate portion of the second aerosol generating article is shifted downward compared with the position of the substrate portion of the first aerosol generating article when the first aerosol generating article is accommodated in the containing tube along the length direction of the containing tube, and part of the substrate portion of the second aerosol generating article corresponds to the first heating assembly, the second heating assembly is selected to heat the second aerosol generating article, or the second heating assembly and the first heating assembly and the part of the heating zone corresponding to the substrate portion of the second aerosol generating article are selected to heat the second aerosol generating article together.

[0006] Optionally, the first heating assembly is provided with a first heating zone and a second heating zone along the length direction of the containing tube, and the second heating zone is close to the second heating assembly;

[0007] The first heating assembly comprises a first heating element, a second heating element and a tube body, the first heating element and the second heating element are sequentially arranged on the tube body along the length direction of the tube body, the first heating element is used for forming the first heating zone, and the second heating element is used for forming the second heating zone; the tube body is connected with the containing tube, and the tube body and the containing tube jointly define at least part of the containing space of the first aerosol product or the second aerosol product.

[0008] Optionally, the first heating element and the second heating element are both arranged along the outer periphery of the tube body.

[0009] Optionally, the containing tube is provided with a slot, and the slot is communicated with the tube body to form the containing space.

[0010] Optionally, the containing tube is provided with a through hole at the bottom of the slot, the second heating assembly is arranged at one end of the containing tube away from the tube body, and part of the second heating assembly is inserted into the slot from the through hole.

[0011] Optionally, the containing tube is provided with a rib on the inner wall of the slot, the rib is arranged along the length direction of the containing tube, and the rib is used for abutting against the aerosol product inserted into the slot.

[0012] Optionally, one end of the rib facing the second heating assembly is provided with a boss, and the boss supports the aerosol product.

[0013] Optionally, the containing tube is provided with a step on the inner wall of the slot, part of the tube body is inserted into the slot, and the tube body abuts against the step.

[0014] Optionally, the second heating assembly comprises a shell and a light emitting piece, and the light emitting piece is arranged in the shell.

[0015] To solve the above technical problems, another technical solution adopted by the present application is to provide an aerosol generating device, comprising a shell, a power supply and the above battery module, the heating assembly and the power supply are arranged in the shell, and the power supply is electrically connected to the first heating assembly and the second heating assembly of the heating assembly.

[0016] In the embodiment of the present application, the two heating zones of the first heating assembly are used to heat the first aerosol product, and the second heating assembly is used to heat the second aerosol product, or the second heating assembly and the part of the first heating assembly corresponding to the substrate part of the first aerosol product are used to jointly heat the second aerosol product, so as to realize the adaptation of the heating assembly to two different types of aerosol products and improve the compatibility of the heating assembly. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of the drawings.

[0018] Figure 1 is a schematic structural cross-sectional view of a heating assembly of the present application with a first aerosol product inserted;

[0019] Figure 2 is a schematic structural cross-sectional view of a heating assembly of the present application with a second aerosol product inserted;

[0020] Figure 3 is a schematic structural view of a heating assembly of the present application;

[0021] Figure 4 is a schematic structural cross-sectional view of a heating assembly of the present application;

[0022] Figure 5 is a schematic structural view of a first heating assembly of a heating assembly of the present application;

[0023] Figure 6 is a schematic structural cross-sectional view of a containing tube of a heating assembly of the present application;

[0024] Figure 7 is a schematic structural cross-sectional view of an outer tube of a heating assembly of the present application;

[0025] Figure 8 is a schematic structural view of a second heating assembly of a heating assembly of the present application;

[0026] Figure 9 is a schematic structural cross-sectional view of a second heating assembly of a heating assembly of the present application.

[0027] Explanation of reference signs:

[0028] 100, heating assembly;

[0029] 1, containing tube; 11, insertion slot; 12, through hole; 13, convex rib; 14, boss; 15, step; 16, enclosing wall; 17, receiving groove;

[0030] 2, first heating assembly; 21, heating zone; 211, first heating zone; 212, second heating zone; 22, first heating element; 23, second heating element; 24, tube body;

[0031] 3, second heating assembly; 31, shell; 32, light emitting member; 33, fixing tube; 331, clamping groove;

[0032] 4, accommodating space;

[0033] 5, outer tube; 51, abutting portion; 52, buckle;

[0034] 200, first aerosol product; 201, substrate portion of the first aerosol product;

[0035] 300, second aerosol product; 301, substrate portion of the second aerosol product. DETAILED DESCRIPTION

[0036] For the convenience of understanding the present application, the present application will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "locked to" another element, it can be directly on the other element, or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or one or more intervening elements can be present therebetween. The terms "vertical", "horizontal", "left", "right", and similar expressions used in the present specification are for illustrative purposes only.

[0037] Unless otherwise defined, all technical and scientific terms used in the present specification are the same as those commonly understood by one skilled in the art to which the present application belongs. The terms used in the present specification are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the present specification includes any and all combinations of one or more related listed items.

[0038] Please refer to Figures 1-4 The embodiments of the present application provide a heating assembly 100, which comprises a containing tube 1, a first heating assembly 2 and a second heating assembly 3. The containing tube 1 can accommodate at least part of a first aerosol product 200 or a second aerosol product 300. The first heating assembly 2 is provided with at least two heating zones 21 along the length direction of the containing tube 1. The first heating assembly 2 and the second heating assembly 3 are sequentially arranged along the length direction of the containing tube 1. When the first aerosol product 200 is accommodated in the containing tube 1, the substrate portion 201 (such as Figure 1 the section shown by the dashed line) of the first aerosol product 200 corresponds to the first heating assembly 2, and all the heating zones 21 of the first heating assembly 2 are selected to heat the first aerosol product 200. When the second aerosol product 300 is accommodated in the containing tube 1, the substrate portion 301 (such as Figure 2When the second aerosol product 300 is accommodated in the accommodation space 4, the position of the substrate portion 301 of the second aerosol product 300 is lower than the position of the substrate portion 201 of the first aerosol product 200 when the first aerosol product 200 is accommodated in the accommodation tube 1, and the second heating assembly 3 is selected to heat the second aerosol product 300, or the second heating assembly 3 and the portion of the first heating assembly 2 corresponding to the substrate portion 201 of the first aerosol product 200 is selected to heat the second aerosol product 300. The heating assembly 100 is adapted to two different types of aerosol products by using the two heating zones 21 of the first heating assembly 2 to heat the first aerosol product 200 and using the second heating assembly 3 to heat the second aerosol product 300, or using the second heating assembly 3 and the portion of the first heating assembly 2 corresponding to the substrate portion of the first aerosol product 200 to heat the second aerosol product 300, thereby improving the compatibility of the heating assembly 100.

[0039] In some embodiments, referring to Figure 5 and Figure 6 , the first heating assembly 2 is provided with a first heating zone 211 and a second heating zone 212 along the length direction of the accommodation tube 1, and the second heating zone 212 is close to the second heating assembly 3; the first heating assembly 2 includes a first heating element 22, a second heating element 23, and a tube body 24, and the first heating element 22 and the second heating element 23 are sequentially arranged along the length direction of the tube body 24, the first heating element 22 is used to form the first heating zone 211, and the second heating element 23 is used to form the second heating zone 212. The first heating zone 211 and the second heating zone 212 are formed by the first heating element 22 and the second heating element 23, and the tube body 24 is used for heat conduction to heat the aerosol product. The tube body 24 is connected with the accommodation tube 1, and the tube body 24 and the accommodation tube 1 jointly define at least part of the accommodation space 4 of the first aerosol product 200 and the second aerosol product 300. In some embodiments, the accommodation tube 1 is provided with a slot 11, and the slot 11 communicates with the tube body 24 to form the accommodation space 4.

[0040] It should be noted that when the aerosol product is inserted into the accommodation space 4, there is a first airflow gap between the inner wall of the tube body 24 and the outer wall of the aerosol product.

[0041] In some embodiments, referring to Figure 5 , the first heating element 22 and the second heating element 23 are arranged along the outer periphery of the tube body 24. In other embodiments, the first heating element 22 and the second heating element 23 are attached to the inner wall or the inside of the tube body 24.

[0042] In some embodiments, the tube body 24 is made of a material with high thermal conductivity. The material of the tube body 24 can be metal or ceramic material, and the ceramic material can be any one of oxide, nitride, carbide, boride, etc.

[0043] In some embodiments, the first heating element 22 and the second heating element 23 are infrared electric heating film layers coated on the outer wall or the inner wall of the tube body 24. After the infrared electric heating film layers are powered on, they can generate heat and transfer the heat to the tube body 24, so as to heat the aerosol generating article. In addition, the infrared electric heating film layers are used to generate heat by receiving electric power, and then generate infrared rays with a certain wavelength. When the wavelength of the infrared rays matches the absorption wavelength of the aerosol generating article, the energy of the infrared rays is easily absorbed by the aerosol generating article, so as to generate heat on the aerosol generating article and further heat the aerosol generating article.

[0044] In some embodiments, the first heating element 22 and the second heating element 23 can also be mesh resistance heating bodies coated on the outer wall of the tube body 24. The mesh resistance heating bodies can generate heat after being powered on, and then transfer the heat to the tube body 24. Alternatively, in some embodiments, the first heating element 22 and the second heating element 23 are resistance film layers printed on the outer wall of the tube body 24 in a thick film heating manner. Alternatively, in some embodiments, the first heating element 22 and the second heating element 23 are flexible polyimide heaters.

[0045] It can be understood that, in some embodiments, the first heating assembly 2 is not limited to the above structure. The first heating assembly 2 can also have other structures. For example, the first heating assembly 2 does not include the first heating element 22 and the second heating element 23 described above. The tube body 24 can generate heat by itself to heat the aerosol generating article. Specifically, the tube body 24 is made of an electric heating material. The tube body 24 forms the first heating zone 211 and the second heating zone 212. The tube body 24 generates heat after being powered on.

[0046] In some embodiments, referring to Figure 6 , the receiving tube 1 is provided with a through hole 12 at the bottom of the slot 11. The through hole 12 communicates with the slot 11. The second heating assembly 3 is arranged at the end of the receiving tube 1 away from the tube body 24. Part of the second heating assembly 3 extends into the slot 11 from the through hole 12, so as to facilitate the second heating assembly 3 to heat the second aerosol generating article 300.

[0047] In some embodiments, referring to Figure 6The inner wall of the accommodating tube 1 in the slot 11 is provided with a protrusion 13 arranged along the length direction of the accommodating tube 1, which is used to hold the aerosol product inserted into the slot 11, thereby fixing the aerosol product. When the aerosol product is inserted into the accommodating space 4, the inner wall of the slot 11 and the outer wall of the aerosol product have a second airflow gap, and the second gap is communicated with the first airflow gap. As an example, the number of protrusions 13 is multiple, and the multiple protrusions 13 are arranged in a ring shape at the inner wall of the slot 11.

[0048] In some embodiments, referring to Figure 3 , Figure 4 and Figure 6 , the heating assembly 100 comprises an outer tube 5, which is open at one end, and the accommodating tube 1, the first heating assembly 2 and the second heating assembly 3 are arranged in the outer tube 5. The protrusion 13 has a protruding boss 14 at one end facing the second heating assembly 3, which receives the aerosol product and makes the second airflow gap communicated with the through hole 12, thereby forming an airflow channel.

[0049] In some embodiments, the inner wall of the accommodating tube 1 in the slot 11 is provided with a step 15, which is located at one end of the accommodating tube 1 away from the second heating assembly 3. The tube body 24 is partially inserted into the slot 11, and the tube body 24 abuts against the step 15.

[0050] In some embodiments, referring to Figure 7 , the inner wall of the open end of the outer tube 5 protrudes a holding portion 51, which abuts against the tube body 24, and is combined with the abutment of the tube body 24 against the step 15, thereby fixing the tube body 24 in the outer tube 5.

[0051] In some embodiments, referring to Figure 8 and Figure 9 , the second heating assembly 3 comprises an outer shell 31 and a light emitting member 32. The outer shell 31 is partially inserted into the through hole 12, and the light emitting member 32 is arranged in the outer shell 31. The light emitting member 32 emits light to irradiate the second aerosol product 300 after being energized, thereby heating the second aerosol product 300.

[0052] It should be noted that at least part of the outer shell 31 is transparent, so that the light emitted by the light emitting member 32 can pass through the outer shell 31 and irradiate the second aerosol product 300. As an example, the part of the outer shell 31 surrounding the light emitting member 32 is transparent.

[0053] In some embodiments, referring to Figure 8 and Figure 9 , the second heating assembly 3 further comprises a fixing tube 33, which is sleeved on the outer shell 31 and connected and fixed with the outer shell 31. The fixing tube 33 abuts against the accommodating tube 1 and is connected and fixed with the outer tube 5.

[0054] Further, please refer to Figures 7-9 The outer tube 5 is provided with a buckle 52, the fixing tube 33 is provided with a clamping groove 331, the buckle 52 is clamped in the clamping groove 331, so as to connect and fix the fixing tube 33 with the outer tube 5.

[0055] Further, please refer to Figure 6 The accommodating tube 1 extends a surrounding wall 16 at one end away from the tube body 24, the surrounding wall 16 and the accommodating tube 1 define a receiving groove 17, the receiving groove 17 communicates with the through hole 12, and the receiving groove 17 receives the fixing tube 33, so as to limit the fixing tube 33.

[0056] It can be understood that in some embodiments, the second heating assembly 3 is not limited to the above structure, and the second heating assembly 3 can also be other structures, for example, the second heating assembly 3 does not include the above-mentioned light emitting piece 32 and the shell 31, the second heating assembly 3 includes a third heating element and a heat conducting piece, the third heating element is arranged in the fixing tube 33, the heat conducting piece is arranged in the fixing tube 33, and the heat conducting piece is provided with an air flow channel. The third heating element generates heat and transmits the heat to the fixing tube 33, and then the fixing tube 33 transmits the heat to the heat conducting piece, so that the heat conducting piece heats the air flowing through the air flow channel, so that the hot air heats the second aerosol product 300.

[0057] The application also provides a heating assembly 100 embodiment, the heating assembly 100 includes an accommodating tube 1 and a first heating assembly, the accommodating tube 1 can accommodate at least part of the first aerosol product 200 or the second aerosol product 300; the first heating assembly is provided with at least three heating zones along the length direction of the accommodating tube, the three heating zones are arranged in sequence along the length direction of the accommodating tube, and the three heating zones are divided into a first heating zone, a second heating zone and a third heating zone; wherein when the first aerosol product is accommodated in the accommodating tube 1, the substrate part 201 of the first aerosol product 200 corresponds to the first heating zone and the second heating zone, and the first heating zone and the second heating zone are selected to be used for heating the first aerosol product 200 together; when the second aerosol product 300 is accommodated in the accommodating tube 1, along the length direction of the accommodating tube 1, the position of the substrate part 301 of the second aerosol product 300 is lower than that when the first aerosol product 200 is accommodated in the accommodating tube 1, and part of the substrate part 301 of the second aerosol product 300 corresponds to the second heating zone and the third heating zone, and the second heating zone and the third heating zone are selected to be used for heating the second aerosol product 300 together. By using the first heating zone and the second heating zone of the first heating assembly to heat the first aerosol product 200 together, and by using the second heating zone and the third heating zone of the first heating assembly to heat the second aerosol product 300 together, the heating assembly 100 is adapted to two different types of aerosol products, and the compatibility of the heating assembly 100 is improved.

[0058] The application also provides an aerosol generating device, which comprises a housing, a power supply and the heating assembly 100. The heating assembly 100 and the power supply are arranged in the housing. The power supply is electrically connected to the first heating assembly 2 and the second heating assembly 3 of the heating assembly 100. The structure and function of the heating assembly 100 can refer to the above embodiments, which will not be repeated here.

[0059] It should be noted that the preferred embodiments of the present application are given in the specification and drawings of the present application, but the present application can be implemented in many different forms, and is not limited to the embodiments described in the specification. These embodiments are not additional limitations on the content of the present application, and the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Furthermore, the above technical features continue to be combined with each other to form various embodiments not listed above, which are considered to be within the scope of the present application. Furthermore, those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should be within the scope of protection of the appended claims of the present application.

Claims

1. A heating assembly, characterized by, The heating assembly comprises: a receiving tube, which can receive at least part of a first aerosol product or a second aerosol product; a first heating assembly, which is provided with at least two heating zones along the length direction of the receiving tube; a second heating assembly, which is sequentially arranged along the length direction of the receiving tube with the first heating assembly; when the first aerosol product is received in the receiving tube, the substrate part of the first aerosol product corresponds to the first heating assembly, and all the heating zones of the first heating assembly are selected to heat the first aerosol product; when the second aerosol product is received in the receiving tube, the position of the substrate part of the second aerosol product along the length direction of the receiving tube is lower than that when the first aerosol product is received in the receiving tube, and the substrate part of the second aerosol product corresponds to the first heating assembly, the second heating assembly is selected to heat the second aerosol product, or the second heating assembly and the first heating assembly are selected to jointly heat the second aerosol product.

2. The heating assembly according to claim 1, wherein: the first heating assembly is provided with a first heating zone and a second heating zone along the length direction of the receiving tube, and the second heating zone is close to the second heating assembly; the first heating assembly comprises a first heating element, a second heating element and a tube body, and the first heating element and the second heating element are sequentially arranged along the length direction of the tube body, the first heating element is used to form the first heating zone, and the second heating element is used to form the second heating zone; the tube body is connected with the receiving tube, and the tube body and the receiving tube jointly define the receiving space for at least part of the first aerosol product or the second aerosol product.

3. The heating assembly according to claim 2, wherein: the first heating element and the second heating element are both arranged along the outer periphery of the tube body.

4. The heating assembly according to claim 2, wherein: the receiving tube is provided with a slot, and the slot is communicated with the tube body to form the receiving space.

5. The heating assembly according to claim 4, wherein: the receiving tube is provided with a through hole at the bottom of the slot, the second heating assembly is arranged at one end of the receiving tube away from the tube body, and part of the second heating assembly is inserted into the slot from the through hole.

6. The heating assembly according to claim 5, wherein: the receiving tube is provided with a protruding rib on the inner wall of the slot, the protruding rib is arranged along the length direction of the receiving tube, and the protruding rib is used to abut the aerosol product inserted into the slot.

7. The heating assembly according to claim 6, wherein: the heating assembly comprises an outer tube, and the receiving tube, the first heating assembly and the second heating assembly are all arranged in the outer tube, one end of the protruding rib facing the second heating assembly protrudes a boss, and the boss supports the aerosol product.

8. The heating assembly of claim 3, wherein, the accommodating tube is provided with a step on the inner wall of the slot, a part of the tube body is inserted into the slot, and the tube body abuts against the step.

9. The heating assembly of any one of claims 1-8, wherein, the second heating assembly comprises a shell and a light emitting member, and the light emitting member is arranged in the shell.

10. An aerosol-generating device comprising: a shell, a power supply and a heating assembly as claimed in any one of claims 1-9, the heating assembly and the power supply are arranged in the shell, and the power supply is electrically connected to the first heating assembly and the second heating assembly of the heating assembly.

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