Heating element structure and aerosol-generating device
By installing heat insulation components around the heating element and covering it with a high-temperature protective film, the problem of heat insulation material powder falling off is solved, achieving higher heat insulation efficiency and product safety.
Patent Information
- Application Number
- CN202520224968.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-12
AI Technical Summary
The insulation material of traditional heating elements is prone to powder falling off during the assembly process, which leads to a decrease in product safety performance.
The system employs a combination structure of heat insulation components and a high-temperature protective film. The heat insulation components are fitted around the heating element, and the high-temperature protective film covers at least the outer perimeter of the heat insulation components, forming a fully or partially enclosed structure to prevent powder from falling off and improve heat insulation efficiency.
It improves heat insulation and product safety, reduces energy consumption, enhances structural stability, and avoids short circuits or malfunctions caused by powder accumulation.
Smart Images
Figure CN223715041U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic atomization technical field, especially relate to a heating body structure and aerosol generating device. BACKGROUND
[0002] Aerosol generating device plays an important role in many applications, such as air quality monitoring, environmental research and medical equipment. As the core component of the device, the heating body is responsible for heating the liquid to the atomization state to generate aerosol. In the operation process of the device, the heating body generates heat energy when heating, and the traditional heat insulation method of the heating body usually relies on air heat resistance or heat insulation material to reduce the heat transfer to the outside, but in the assembly process of bending and wrapping the heating body with the heat insulation material, the heat insulation material is in contact with other components, which is easy to cause powder to fall off, and even the powder falls between the heating body and the shell, resulting in the decline of the safety performance of the product. SUMMARY
[0003] The main purpose of the utility model is to provide a heating body structure and aerosol generating device, which aims to improve the heat insulation effect and the safety of the product.
[0004] To achieve the above purpose, the utility model provides a heating body structure, which comprises:
[0005] A heating body;
[0006] A heat insulation piece, the heat insulation piece is sleeved on the heating body; and
[0007] A high-temperature protection film, the high-temperature protection film at least covers the outer peripheral wall of the heat insulation piece.
[0008] The utility model also provides an aerosol generating device, which comprises the above-mentioned heating body structure. BRIEF DESCRIPTION OF DRAWINGS
[0009] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creative labor.
[0010] Fig. 1 The structure schematic diagram of the heating body structure embodiment of the utility model is provided;
[0011] Fig. 2 The explosion structure diagram of the heating body structure embodiment of the utility model is provided;
[0012] Fig. 3The utility model provides another embodiment of the heating body structure explosion structure diagram.
[0013] Explanation of reference numerals:
[0014] 100, heating body structure, 1, heating body, 2, heat insulating part, 3, high temperature protection film, 31, protection sleeve.
[0015] The realization, functional features and advantages of the utility model will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0017] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.
[0018] In addition, if the embodiments of the utility model involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel solutions are included, for example, "A and / or B" includes A solution, or B solution, or A and B solution. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.
[0019] The utility model provides a kind of heating body structure 100.
[0020] Please refer to Figs. 1 to 3 In an embodiment of the utility model, the heating body structure 100 includes heating body 1, heat insulating part 2 and high temperature protection film 3, the heat insulating part 2 is sleeved on the heating body 1;The high temperature protection film 3 at least covers the outer peripheral wall of the heat insulating part 2.
[0021] In the technical scheme of the utility model, the heat insulation piece 2 has excellent heat insulation performance, is sleeved around the heat generating body 1, is used for reducing heat transfer to the outside, and improves heat insulation efficiency; the high-temperature protection film 3 has good high-temperature resistance and mechanical strength, and at least covers the outer peripheral wall of the heat insulation piece 2, can effectively prevent the heat insulation piece 2 from contacting other components and causing powder to fall during assembly, ensures the integrity, uniformity and stability of the heat insulation piece 2, avoids product short circuit or failure caused by powder accumulation, improves heat insulation effect and product safety; and the heat insulation piece 2 can accumulate heat inside the heat generating body 1, reduces heat loss or delays heat loss each time, when continuously heating, the energy required for heating of the heat generating body 1 will be reduced due to the inability of the internal temperature of the heat generating body 1 to rapidly decrease, thereby reducing energy consumption; by combination of the heat insulation piece 2 and the high-temperature protection film 3, the problem of powder falling of traditional heat insulation materials during assembly can be effectively solved, heat insulation efficiency is improved, structural stability is enhanced, energy consumption is reduced, product safety and heat management efficiency are improved; the high-temperature protection film 3 can be a PI film or a PTFE film, and the utility model does not limit this; the heat insulation piece 2 can be ceramic fiber or aerogel, and the utility model does not limit this.
[0022] Specifically, please refer to Fig. 1 and Fig. 2 In an embodiment of the utility model, the high-temperature protection film 3 is surrounded to form a protection sleeve 31, and the protection sleeve 31 is sleeved on the heat insulation piece 2. The high-temperature protection film 3 is surrounded to form a protection sleeve 31, and the protection sleeve 31 is sleeved on the outside of the heat insulation piece 2, forms a half package structure, the high-temperature protection film 3 can protect the heat insulation piece 2 from being damaged by external force during assembly and use, forms a protective layer on the outside of the heat insulation piece 2, prevents the heat insulation piece 2 from producing powder falling due to friction during assembly, thereby ensuring the integrity, uniformity and stability of the heat insulation piece 2; the heat insulation piece 2 accumulates heat inside the heat generating body 1, reduces heat transfer to the outside, reduces energy consumption, and the high-temperature protection film 3 further protects the heat insulation piece 2, prevents its performance from decreasing, thereby improving the overall heat insulation efficiency of the product; in another embodiment, the high-temperature protection film 3 can cover the outer peripheral wall, top wall and bottom wall of the heat insulation piece 2, and the utility model does not limit this.
[0023] Please refer to Fig. 3In an embodiment of the present application, the high-temperature protective film 3 forms a cavity, the heat insulation part 2 is contained in the cavity, and the high-temperature protective film 3 is sleeved on the heat generating body 1. The high-temperature protective film 3 forms a cavity, the heat insulation part 2 is completely contained in the cavity, and the high-temperature protective film 3 is also sleeved on the outside of the heat generating body 1. This design forms a full package structure, that is, the high-temperature protective film 3 not only covers the heat insulation part 2, but also directly contacts the heat generating body 1, thereby playing a double protection role. This design ensures that the heat insulation part 2 is completely wrapped, prevents the heat insulation part 2 from directly contacting the outside in any direction, thereby avoiding powder falling and other potential damage, and further improves the safety of the product. The heat insulation part 2 accumulates heat inside the heat generating body 1, reduces heat transfer to the outside, and the full package structure of the high-temperature protective film 3 further ensures the integrity and performance of the heat insulation part 2, thereby improving the overall heat insulation efficiency. The high-temperature protective film 3 completely wraps the heat insulation part 2, prevents the heat insulation part 2 from producing powder falling due to friction during assembly and use, and powder falling may cause the heat insulation performance to decrease, even cause short circuit or failure. The presence of the high-temperature protective film 3 avoids these problems and ensures the integrity and stability of the heat insulation part 2.
[0024] More specifically, in an embodiment of the present application, the high-temperature protective film 3 is a PI film. The PI film has very high high-temperature resistance, can work stably for a long time in a temperature range of 250℃ to 400℃, and the decomposition temperature of some special varieties of PI film can reach more than 500℃. The PI film has high strength, high modulus and good toughness, and can withstand large mechanical stress. The PI film has excellent electrical insulation performance, is suitable for the insulation layer of electronic components, and has good resistance to a variety of chemical solvents and weak acids. The PI film has high radiation resistance and is suitable for use in radiation environments. In the present application, the PI film is used as the high-temperature protective film 3, forms a cavity, the heat insulation part 2 is completely contained in the cavity, and the PI film is also sleeved on the heat generating body 1, forming a full package structure, improving the safety and heat management efficiency of the product. The PI film also has excellent high-temperature resistance, mechanical properties and insulation performance, and becomes an ideal high-temperature protective film 3 material in the heat generating body structure 100.
[0025] In an embodiment of the utility model, the heat insulation piece 2 is aerogel layer. Aerogel is a kind of nanometer material with high porosity, and porosity is as high as 99.8%, and density is extremely low, usually 3-50kg / m 3, and this structure makes that air molecules in aerogel almost cannot flow freely, thereby greatly reduce heat conduction;The thermal conductivity of aerogel is extremely low, usually between 0.013 and 0.02W / (m·K), and by doping (such as doping carbon), its thermal conductivity can be further reduced to 0.012W / (m·K), so that it becomes one of the solid-state materials with the lowest thermal conductivity;The heat insulation performance of aerogel is mainly benefited from its nano-porous structure, and this structure can effectively prevent heat conduction, heat convection and heat radiation, and its heat insulation performance is far superior to traditional thermal insulation materials;The fireproof grade of aerogel can reach A level, can effectively prevent flame spread, and is suitable for the scene needing fireproofing and heat insulation;In the utility model, aerogel layer is used as heat insulation piece 2, is sleeved around heating body 1, can effectively reduce the heat transfer outward, improves the heat insulation efficiency, and its high porosity and low thermal conductivity make it become ideal heat insulation material, can accumulate heat in heating body 1 inside, reduces heat loss, simultaneously, the fireproof and flame-retardant performance of aerogel layer further improves the safety of product, and aerogel layer also becomes ideal heat insulation material in heating body structure 100 due to its excellent heat insulation performance, fireproof performance and chemical stability, can significantly improve the heat insulation efficiency and safety of product.
[0026] In an embodiment of the utility model, the high-temperature protection film 3 is bonded with the heat insulation piece 2. By bonding, the high-temperature protection film 3 is tightly combined with the heat insulation piece 2 to form a whole, thereby enhancing the stability of the whole heating body structure 100;The tight combination of the high-temperature protection film 3 and the heat insulation piece 2 can further reduce the heat transfer and improve the heat insulation efficiency;The heat insulation piece 2 may generate powder due to mechanical vibration during use, and the bonding of the high-temperature protection film 3 and the heat insulation piece 2 can effectively prevent the powder from falling off, thereby ensuring the integrity of the heat insulation piece 2.
[0027] In an embodiment of the utility model, the inner circumferential wall of the heat insulation piece 2 is provided with an adhesive layer. The inner circumferential wall of the heat insulation piece 2 is provided with an adhesive layer, which can ensure the firm combination between the heat insulation piece 2 and the heat generating body 1, and improve the stability and heat insulation performance of the overall structure; the adhesive layer can firmly bond the heat insulation piece 2 to the surface of the heat generating body 1, preventing displacement or falling off under high temperature or mechanical vibration, and the firm combination can ensure the integrity and stability of the heat insulation piece 2 during long-term use; the adhesive layer can fill the tiny gap between the aerogel layer and the heat generating body 1, reduce the heat conduction path, and further improve the heat insulation effect; the heat insulation piece 2 may produce powder due to mechanical vibration during use, and the setting of the adhesive layer can effectively prevent the powder from falling off, which is crucial for preventing the performance of the heat insulation piece 2 from declining and avoiding short circuit or failure caused by powder accumulation; since the aerogel layer needs to work in a high-temperature environment, the adhesive layer usually uses a high-temperature-resistant inorganic adhesive, which can maintain good adhesive performance at high temperatures and will not have problems such as hardening, cracking or falling off.
[0028] In an embodiment of the utility model, the length of the heat insulation piece 2 is less than the length of the heat generating body 1. The length of the heat insulation piece 2 is designed to be less than the length of the heat generating body 1, which means that the two ends of the heat generating body 1 are not completely covered by the heat insulation piece 2 to meet specific heat management requirements or structural requirements; the two ends of the heat generating body 1 are not covered by the heat insulation piece 2, allowing heat to be dissipated from these areas, thereby optimizing overall heat management, which can prevent excessive heat accumulation and ensure more uniform temperature distribution of the heat generating body 1 during operation; the heat insulation piece 2 covers the main part of the heat generating body 1, ensuring the heat insulation effect of the core area, while allowing the end part to dissipate heat, balancing the needs of heat insulation and heat dissipation.
[0029] In an embodiment of the utility model, the thickness of the heat insulation piece 2 is greater than the thickness of the high temperature protection film 3. The heat insulation piece 2 has a higher thickness, usually between several millimeters to tens of millimeters, can significantly reduce the heat transfer from the heat generating body 1 outward, the main function of the heat insulation piece 2 is to provide efficient heat insulation effect, its low thermal conductivity and high porosity make it become ideal heat insulation material, the high temperature protection film 3 is relatively thin, usually between several tens of microns to several hundred microns, the main function of the high temperature protection film 3 is to provide high temperature resistance and mechanical strength, and prevent the heat insulation piece 2 powder from falling; the heat insulation piece 2 covers the main part of the heat generating body 1, ensures the heat insulation effect of the core area, the high temperature protection film 3 is enclosed to form a cavity, and the heat insulation piece 2 is contained in the cavity, and the high temperature protection film 3 is also sleeved on the heat generating body 1, forming a full package structure; the design that the thickness of the heat insulation piece 2 is greater than the thickness of the high temperature protection film 3, in combination with the adhesive layer of the heat insulation piece 2 and the full package structure of the high temperature protection film 3, can significantly improve the heat insulation performance and overall stability of the heat generating body structure 100, is suitable for the application scene that needs to optimize heat management, reduce energy consumption and improve safety, and through this optimization design, the heat generating body structure 100 shows significant advantages in heat insulation efficiency, structural stability and safety.
[0030] The utility model discloses still propose a kind of aerosol generating device, the aerosol generating device includes heat generating body structure 100, the specific structure of the heat generating body structure 100 refers to above-mentioned embodiment, since the aerosol generating device of the present application adopts all technical solutions of above-mentioned all embodiments, at least has all beneficial effects brought by the technical scheme of above-mentioned embodiment, here no longer one by one elaboration.
[0031] The above-mentioned is only the exemplary implementation of the utility model, and not therefore limit the patent range of the utility model, is made in the technical concept of the utility model, utilizes the equivalent structure transformation of utility model specification and attached drawing contents, or direct / indirectly applied in other related technical fields all include in the patent protection range of the utility model.
Claims
1. A heat generating body structure, characterized by comprising: The heat-generating body comprises: a heat-generating body; a heat-insulating member sleeved on the heat-generating body; and a high-temperature protective film covering at least an outer peripheral wall of the heat-insulating member. The high-temperature protective film forms a protective sleeve around the heat-insulating member.
2. The heat generating body structure according to claim 1, wherein The high-temperature protective film forms a cavity around the heat-insulating member.
3. The heat generating body structure according to claim 1, wherein The high-temperature protective film is a PI film.
4. The heat generating body structure according to any one of claims 1 to 3, wherein The heat-insulating member is an aerogel layer.
5. The heat generating body structure according to any one of claims 1 to 3, wherein The high-temperature protective film is bonded to the heat-insulating member.
6. The heat generating body structure according to any one of claims 1 to 3, wherein An inner peripheral wall of the heat-insulating member is provided with a bonding layer.
7. The heat generating body structure according to any one of claims 1 to 3, wherein The length of the heat-insulating member is less than the length of the heat-generating body.
8. The heat generating body structure according to any one of claims 1 to 3, wherein The thickness of the heat-insulating member is greater than the thickness of the high-temperature protective film.
9. The heat generating body structure according to any one of claims 1 to 3, wherein The heat-generating body structure comprises any one of claims 1-9.
10. An aerosol-generating device comprising: