A heating assembly and a heating non-combustible atomization device

Abstract

The application is suitable for the technical field of heat-not-burn, and provides a heating assembly and a heat-not-burn atomization device. The heating assembly comprises: a support pipe, which comprises a pipe body and a sharp head arranged at one end of the pipe body; a plurality of heating elements arranged inside the support pipe, adjacent two of the heating elements being electrically connected at one position and being insulated at other positions; and a positive conductive lead wire electrically connected with the heating element at an input end of a power supply and a negative conductive lead wire electrically connected with the heating element at an output end of the power supply; free ends of the positive conductive lead wire and the negative conductive lead wire are led out along a tail of the support pipe to be electrically connected with the power supply module. Since the pipe has high strength, the pipe structure can be used to reduce the mass of the pipe under the premise of maintaining the strength, so that the energy required for self-heating is less, thereby the heating speed can be improved, and the processing technology of the pipe is very mature, which is conducive to reducing the processing cost and improving the consistency of the product.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of heating-not-burning, and particularly relates to a heating assembly and a heating-not-burning atomization device. BACKGROUND

[0002] The low-temperature atomization device with internal heating has the advantages of high endurance, good consistency from one puff to another, and easy miniaturization, and is a mainstream direction of low-temperature atomization devices.

[0003] At present, the heating body of the common low-temperature atomization device with internal heating mainly includes a ceramic sheet / needle heating body of a sintered heating line and a heating body of a metal shell wrapped around a heating coil (hereinafter referred to as a "coil heating body"). Among them, the ceramic sheet heating body is too thin and easy to break, and the ceramic needle heating body has a large mass and absorbs a lot of heat itself, resulting in a slow heating speed. The coil heating body is prone to deformation of the heating coil, resulting in poor product consistency and affecting user experience. SUMMARY

[0004] The application provides a heating assembly and a heating-not-burning atomization device, aiming to solve at least one problem existing in the heating body in the prior art.

[0005] The application is implemented in the following manner: a heating assembly is provided, comprising:

[0006] a support pipe element, which comprises a pipe body and a sharp head part arranged at one end of the pipe body;

[0007] a plurality of heating elements arranged inside the support pipe element, adjacent two of the heating elements being electrically connected at one place and insulated at the rest of the places; and

[0008] a positive electrode conductive lead wire electrically connected to the heating element at the input end of the power supply and a negative electrode conductive lead wire electrically connected to the heating element at the output end of the power supply; the free ends of the positive electrode conductive lead wire and the negative electrode conductive lead wire are led out along the tail part of the support pipe element, for electrical connection with the power supply module.

[0009] In an embodiment, the support pipe element is a honeycomb support pipe element, a plurality of first mounting through holes are arranged inside the honeycomb support pipe element, the heating elements are respectively embedded in different first mounting through holes and are in tolerance fit with the first mounting through holes, or the heating elements are fixed in the first mounting through holes through encapsulation fillers.

[0010] In an embodiment, the device comprises:

[0011] a first limiting pipe element arranged at the center position of the support pipe element, and the heating elements are equidistantly arranged around the first limiting pipe element;

[0012] In an embodiment, the first limiting tube is provided with a plurality of protruding structures, and a groove is formed between adjacent protruding structures, and the heating element is arranged in different groove regions.

[0013] In an embodiment, the first limiting tube is provided with a through hole at the center thereof.

[0014] In an embodiment, the device comprises:

[0015] A second limiting tube is arranged at the center of the support tube, and the heating element is arranged equidistantly around the second limiting tube, and the heating element is a metal foil or a metal film.

[0016] In an embodiment, the metal foil and the metal film are provided with a plurality of hooks, and the hooks are bent to form a bent part, and the bent part is clamped with the second limiting tube.

[0017] In an embodiment, the device comprises:

[0018] A honeycomb limiting tube is arranged in the support tube, and the honeycomb limiting tube is provided with a plurality of through slots, and the heating element is embedded in the through slots.

[0019] In an embodiment, a third limiting tube or a conductive tube is arranged in a second mounting through hole at the center of the honeycomb limiting tube.

[0020] Embodiments of the present application also provide a heating non-combustion atomization device, comprising:

[0021] An atomization device body is provided with a power module.

[0022] A heating assembly is arranged in the atomization device body, the heating assembly is the heating assembly described above, and the positive conductive lead and the negative conductive lead are electrically connected with the power module to supply power to the heating assembly.

[0023] A fixing base is fixedly assembled with the heating assembly to fix the heating assembly in the atomization device body.

[0024] The embodiment of the present application provides a heating assembly and a heating non-combustible atomization device, the heating assembly comprises: a support pipe, the support pipe comprises a pipe body and a sharp head arranged at one end of the pipe body; a plurality of heating elements arranged in the support pipe, adjacent two of the heating elements are electrically connected at one position and are insulated at the other positions; and a positive electrode conductive lead wire electrically connected with the heating element at the power input end and a negative electrode conductive lead wire electrically connected with the heating element at the power output end; the free ends of the positive electrode conductive lead wire and the negative electrode conductive lead wire are led out along the tail part of the support pipe to be electrically connected with the power module. In the embodiment of the present application, since the strength of the pipe is high, the heating assembly is made by cooperation of the pipe and the heating element, so that the quality of the heating assembly can be reduced under the premise of keeping the strength, the energy required for self-heating is reduced, the heating speed is improved, the processing technology of the pipe is very mature, which is not only beneficial to reducing the processing cost, but also beneficial to improving the consistency of the product, and therefore the problem that the consistency of the coil heating body is poor due to deformation of the heating coil can be well solved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a cross-sectional view of a heating assembly provided by the first embodiment of the present application Figure 1 ;

[0026] Figure 2 is a cross-sectional view of a heating assembly provided by the first embodiment of the present application Figure 1 ;

[0027] Figure 3 is a schematic view of the overall structure of a three-prism-shaped heating assembly provided by the first embodiment of the present application

[0028] Figure 4 is a cross-sectional view of a heating assembly provided by the first embodiment of the present application Figure 2 ;

[0029] Figure 5 is a cross-sectional view of a heating assembly provided by the first embodiment of the present application Figure 2 ;

[0030] Figure 6 is a cross-sectional view of a heating assembly provided by the second embodiment of the present application

[0031] Figure 7 is a cross-sectional view of a heating assembly provided by the second embodiment of the present application Figure 1 ;

[0032] Figure 8 is a cross-sectional view of a heating assembly provided by the second embodiment of the present application Figure 2 ;

[0033] Figure 9 is a structural schematic diagram of a heating assembly provided by Embodiment Two of the present application;

[0034] Figure 10 is a cross-sectional schematic diagram of a heating assembly provided by Embodiment Three of the present application;

[0035] Figure 11 is a cross-sectional schematic diagram of a heating assembly provided by Embodiment Three of the present application;

[0036] Figure 12 is a schematic diagram of the overall structure of a cylindrical heating assembly provided by Embodiment Three of the present application;

[0037] Figure 13 is a cross-sectional schematic diagram of a first limiting tube provided by Embodiment Three of the present application;

[0038] Figure 14 is a cross-sectional schematic diagram of a heating assembly provided by Embodiment Four of the present application; Figure 1 ;

[0039] Figure 15 is a cross-sectional schematic diagram of a heating assembly provided by Embodiment Four of the present application; Figure 1 ;

[0040] Figure 16 is a structural schematic diagram of an etching sheet provided by Embodiment Four of the present application;

[0041] Figure 17 is a cross-sectional schematic diagram of a heating assembly provided by Embodiment Four of the present application; Figure 2 ;

[0042] Figure 18 is a cross-sectional schematic diagram of a heating assembly provided by Embodiment Four of the present application; Figure 2 ;

[0043] Figure 19 is a cross-sectional schematic diagram of a heating assembly provided by Embodiment Five of the present application;

[0044] Figure 20 is a cross-sectional schematic diagram of a heating assembly provided by Embodiment Six of the present application;

[0045] wherein 1 is a support tube, 2 is a heating body, 3 is a positive electrode conductive lead, 4 is a negative electrode conductive lead, 5 is a first limiting tube, 6 is a second limiting tube, 7 is a honeycomb limiting tube, 8 is a packaging filler, 9 is a tubular structure, 11 is a tube body, 12 is a pointed head, 13 is a mounting through hole, 14 is a tube, 21 is a hook, 51 is a protruding structure, 52 is a groove, 53 is a through hole, and 71 is a second mounting through hole. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0047] In the description of the present application, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0048] The following embodiments of the present application provide a heating assembly to solve the problems of easy deformation or fracture of the heating body, slow heating speed or poor consistency in the prior art, which affects the user experience.

[0049] Embodiment one,

[0050] Referring to Figures 1-3 , the heating assembly comprises: a support pipe 1, the support pipe 1 comprising a pipe body 11 and a sharp head 12 provided at one end of the pipe body 11; a plurality of heating elements provided inside the support pipe, adjacent two of the heating elements being electrically connected at one place and insulated at the rest; and a positive electrode conductive lead electrically connected to the heating element at the power input end and a negative electrode conductive lead electrically connected to the heating element at the power output end; the free ends of the positive electrode conductive lead and the negative electrode conductive lead are led out along the tail of the support pipe for electrical connection with the power module. In the embodiments of the present application, since the pipe has high strength, the use of the pipe and the heating element in combination to make the heating assembly can reduce its mass while maintaining the strength, so that the energy required for its own heating is less, thereby improving the heating speed, and the processing technology of the pipe is very mature, which not only helps to reduce the processing cost, but also helps to improve the consistency of the product, so that the problem of poor consistency of the coil heating body caused by deformation of the heating coil can be well improved.

[0051] In the embodiments of the present application, the sharp head 12 can be conical or pyramidal.

[0052] In the embodiments of the present application, the support pipe 1 can include various shapes, for example, a columnar shape, and the cross-sectional shape can correspond to various shapes, for example, a circular shape, a triangular shape, a quadrangular shape, a hexagonal shape, and the like. The edges of the polygonal shape can be straight lines, or can be curved lines that are concave or convex.

[0053] When the support pipe 1 is a pipe with a triangular cross section, the surface area / volume ratio of the sheet-shaped heating element can be close to that of the sheet-shaped heating element, the problem of the sheet-shaped heating element being easily broken due to the large change in the bending strength in different directions can be improved, and under the condition of the same cross-sectional area, the support pipe with a triangular cross section has good strength and a large heat exchange area.

[0054] In the embodiments of the present application, the support pipe 1 can be made of ceramic, glass, or metal. Since ceramic needles and ceramic sheet-shaped heating elements are easily broken due to the inherent brittleness of ceramic, and the ceramic sheet-shaped heating element is also easily bent and broken due to its thinness, the use of a pipe made of metal can effectively improve the brittleness of the heating element and prevent breakage.

[0055] In the embodiments of the present application, when the support pipe 1 is made of metal, in order to avoid direct contact between the heating element 2 and the support pipe 1, which can cause short circuiting, an insulating layer can be provided between the heating element 2 and the support pipe 1. For example, the inner wall of the support pipe 1 can be in-situ oxidized, for example, micro-arc oxidation and anodic oxidation of aluminum, magnesium, and titanium, to achieve insulation. Alternatively, an insulating film, for example, ceramic glaze, glass glaze, inorganic adhesive film, or the like, can be coated on the inner wall of the support pipe 1 or the surface of the heating element 2. Alternatively, an insulating spacer, for example, an aluminum sheet, a ceramic sheet, a glass sheet, or the like, which has been anodically oxidized, can be provided between the support pipe 1 and the heating element 2.

[0056] In the embodiments of the present application, the heating element 2 can be a heating pipe, a heating rod, a heating film layer, a metal foil, or a metal film, and the like.

[0057] The heating film layer can be prepared from a resistive paste, which can be understood as a heating film formed by sintering a resistive paste and can be attached to the inner wall of the support pipe 1. For example, a resistive paste is coated in a ceramic honeycomb hole and then sintered.

[0058] The heating pipe and the heating rod can be made of conductive ceramic material or resistive wire material, which can be stainless steel, NiCr, FeCrAl, and the like. The resistance of the heating element can be adjusted to a suitable range, for example, 0.5-1.5 Ω, by adjusting the wall thickness, diameter, number, or series / parallel connection mode of the pipe.

[0059] In this embodiment, the head end of the heating element 2 can be electrically connected to the head ends of other heating elements 2 through a welding process, or it can also be electrically connected through a wire. The tail end of the heating element 2 can also be electrically connected to the tail ends of other heating elements 2 through a welding process, or it can also be electrically connected through a wire.

[0060] Furthermore, the two ends of the heating element 2 can be connected in series, in parallel, or both in series and in parallel to achieve electrical connection. The specific circuit connection method can be designed according to the resistance of the heating element, which is not limited here.

[0061] In this embodiment of the application, taking four heating elements 2 connected in series as an example, the conductive trajectory of the heating component is explained. Specifically, the current provided by the power module can be transmitted along the positive conductive lead 3 to the tail of the first heating element located at the power input terminal, flow through the head of the first heating element to the head of the second heating element, then flow from the tail of the second heating element to the tail of the third heating element, then flow from the head of the third heating element to the head of the fourth heating element, and then flow out from the negative conductive lead connected to the tail of the fourth heating element.

[0062] Furthermore, the number of heating elements 2 can be odd or even. When there is an odd number, the positive conductive lead 3 can be connected to the tail end of the heating element 2 located at the power input end, and the negative conductive lead 3 can be connected to the head end of the heating element 2 located at the power output end. When there is an even number, the positive conductive lead 3 is connected to the tail end of the heating element 2 located at the power input end, and the negative conductive lead 4 can be connected to the tail end of the heating element 2 located at the power output end.

[0063] In this embodiment, the heating element 2 can be fixed in the support tube 1 by tolerance fitting, or it can be fixed by encapsulation filler 8. Different heating elements 2 can also be isolated and fixed by encapsulation filler 8. The gap between the heating element 2 and the support tube 1, as well as the gap between different heating elements 2, can be filled by encapsulation filler 8.

[0064] The encapsulation filler 8 can be a high-temperature resistant material, such as inorganic adhesive or glass glaze.

[0065] In this embodiment, the temperature of the heating element can be determined by having a temperature coefficient of resistance (TCR) or a type k electrolytic coupler, so that the heating temperature of the heating element can be controlled by a control circuit.

[0066] See Figures 4-5In one embodiment of this application, the heating element 2 is a heating tube. The tubular structure 9 disposed at the center of the supporting tube 1 can be a heating tube, a limiting tube, or a conductive tube. The limiting tube can be made of insulating material, such as rubber, ceramic, or glass, to prevent short circuits between different heating elements and to limit and fix the heating element 2, improving the stability of the heating assembly. By providing the conductive tube, it can be electrically connected to other heating elements 2 to achieve conductivity. Here, · indicates current outflow, and × indicates current inflow.

[0067] Furthermore, the tubular structure 9 located at the center of the support tube 1 is a heating tube, which can also be used as a conductive tube or a limiting tube.

[0068] In this embodiment, the length of the tail of the support tube 1 is a certain distance longer than the length of the tail of the heating element 2, which can prevent the heating element 2 from short-circuiting when welding or fixing the tail of the support tube 1.

[0069] Example 2

[0070] See Figures 6-7 A heating component is provided, similar to that in Embodiment 1, specifically including: a support tube 1, the support tube 1 including a tube body 11 and a pointed head 12 disposed at one end of the tube body 11; a plurality of heating elements disposed inside the support tube, with adjacent heating elements maintaining an electrical connection at one point and being insulated from the rest; and a positive conductive lead electrically connected to a heating element located at a power input end, and a negative conductive lead electrically connected to a heating element located at a power output end; the free ends of the positive and negative conductive leads are led out along the tail of the support tube for electrical connection to a power module. The heating component further includes: the support tube 1 is a honeycomb support tube, the honeycomb support tube having a plurality of first mounting through holes 13 disposed inside, the heating elements being respectively embedded in the first mounting through holes 13 and tolerantly fitted with the first mounting through holes, or the heating elements 2 being fixed in the first mounting through holes 13 by encapsulation filler.

[0071] By incorporating multiple first mounting holes 13 within the honeycomb support tube, and with the heating element 2 positioned in each of these holes, the structure is simple and the manufacturing cost is low. Furthermore, the heat from the heating element 2 is stably transferred to the outer surface of the honeycomb support tube, achieving uniform heating and improving the stability and temperature field of the heating element. This uniform temperature field reduces burnt taste and improves palatability. Additionally, the honeycomb support tube reduces the overall weight of the heating assembly, resulting in a smaller heat capacity, faster heating speed, and lower energy consumption.

[0072] In this embodiment, the honeycomb support tube can be a metal honeycomb support tube or a ceramic honeycomb support tube. When it is a metal honeycomb support tube, it can be made by welding multiple capillary metal tubes or by die casting or other processes.

[0073] In this embodiment, the honeycomb support tube may include various shapes. For example, it may be columnar, and its cross-sectional shape may correspond to various shapes, such as circles, triangles, quadrilaterals, hexagons, and other polygons. The sides of the polygon may be straight lines or concave or convex curves.

[0074] In this embodiment, the pointed head 12 may be conical or pyramidal.

[0075] In this embodiment, the shape of the first mounting through hole 13 can be a cylindrical through hole, a triangular prism through hole, a hexagonal prism through hole, or an arc-shaped through hole. The specific shape can be customized according to the shape of the honeycomb support tube to improve the space utilization of the honeycomb support tube. For example, Figure 4 The diagram shows the structure of a triangular prism-shaped support tube, and the shape of the first mounting through hole 13 can also be triangular prism-shaped.

[0076] See Figures 8-9 In one embodiment of this application, the honeycomb support tube can be welded together from multiple capillary tubes. Taking a cylindrical capillary tube as an example, multiple capillary tubes are welded together in sequence, and the capillary tubes at the first and last ends are also welded together to form a ring. Each capillary tube is provided with a first mounting through hole 13. The heating element 2 can be respectively disposed in the first mounting through hole 13 of the capillary tube. A tube 14 can be inserted at its center or no tube can be inserted. The tube 14 can be a heating tube, a limiting tube, or a wire tube. For example, taking the limiting tube as an example, the limiting tube can be inserted into the first mounting through hole 13, and a portion of space can be reserved at the end of the limiting tube near the tip 12 to fix the tip 12. In order to avoid unevenness between the tip 12 and the support tube 1, a ring structure can be added between the tip 12 and the support tube 1 or the sealing and fixing can be done by encapsulation filler.

[0077] Correspondingly, a capillary tube can also be welded at its center, and the tube 14 can be inserted into the capillary tube at the center.

[0078] Understandably, the pointed head 12 and the supporting tube 1 can be fixed by tolerance fit or by encapsulation filler.

[0079] In one embodiment of this application, the heating element 2 may be a heating tube, a heating rod, or a heating film.

[0080] The heating film layer can be made of resistive paste, which can be understood as a heating film formed by sintering resistive paste, and can be attached to the inner wall of the support tube 1. For example, resistive paste can be coated in the ceramic honeycomb holes and then sintered.

[0081] The heating elements and heating rods can be made of conductive ceramic materials or resistance wire materials. The resistance wire material can be stainless steel, NiCr, FeCrAl, etc. The resistance of the heating element can be adjusted to a suitable range, such as 0.5 to 1.5Ω, by adjusting the wall thickness, diameter, number, or series / parallel connection method of the elements.

[0082] In one embodiment of this application, the first end of the heating element 2, that is, the side near the tip 11, can be electrically connected to the first ends of other heating elements 2 by welding process, or can also be electrically connected by wire. The last end of the heating element 2, that is, the side away from the tip 11, can also be electrically connected to the last ends of other heating elements 2 by welding process, or can also be electrically connected by wire.

[0083] Furthermore, the two ends of the heating element 2 can be connected in series, in parallel, or both in series and in parallel to achieve electrical connection. The specific circuit connection method can be designed according to the resistance, which is not limited here.

[0084] In this embodiment of the application, taking four heating elements 2 connected in series as an example, the conductive trajectory of the heating component is explained. Specifically, the current provided by the power module can be transmitted along the positive conductive lead 3 to the tail of the first heating element located at the power input terminal, flow through the head of the first heating element to the head of the second heating element, then flow from the tail of the second heating element to the tail of the third heating element, then flow from the head of the third heating element to the head of the fourth heating element, and then flow out from the negative conductive lead connected to the tail of the fourth heating element.

[0085] Furthermore, the number of heating elements 2 can be odd or even. When there is an odd number, the positive conductive lead 3 can be connected to the tail end of the heating element 2 located at the power input end, and the negative conductive lead 3 can be connected to the head end of the heating element 2 located at the power output end. When there is an even number, the positive conductive lead 3 is connected to the tail end of the heating element 2 located at the power input end, and the negative conductive lead 4 can be connected to the tail end of the heating element 2 located at the power output end.

[0086] In this embodiment, the heating element 2 can be fixed in the support tube 1 by tolerance fitting, or it can be fixed by encapsulation filler 8. Different heating elements 2 can also be isolated and fixed by encapsulation filler 8, and the gap between the heating element 2 and the support tube 1, as well as the gap between different heating elements 2, can be filled by encapsulation filler 8.

[0087] The encapsulation filler 8 can be a high-temperature resistant material, such as inorganic adhesive or glass glaze.

[0088] In this embodiment, the length of the tail of the support tube 1 is a certain distance longer than the length of the tail of the heating element 2, which can prevent the heating element 2 from short-circuiting when welding or fixing the tail of the support tube 1.

[0089] Example 3

[0090] See Figures 10-13 A heating assembly is provided, similar to that in Embodiment 1, specifically including: a support tube 1, the support tube 1 including a tube body 11 and a pointed head 12 disposed at one end of the tube body 11; a plurality of heating elements disposed inside the support tube, with adjacent heating elements maintaining an electrical connection at one point and being insulated from each other at the other points; and a positive conductive lead electrically connected to a heating element located at a power input end, and a negative conductive lead electrically connected to a heating element located at a power output end; the free ends of the positive and negative conductive leads are led out along the tail of the support tube for electrical connection to a power module. The heating assembly further includes: a first limiting tube 5 disposed at the center of the support tube 1, with the heating elements 2 equidistantly disposed around the first limiting tube 5. By setting the first limiting tube 5, the movement of the heating elements 2 in the support tube 1 can be restricted, thus better fixing the heating elements 2 in the support tube 1. The heating element has a simple structure, low manufacturing cost, and small overall mass, requiring less energy, which helps to improve the heating speed and reduce energy consumption.

[0091] See Figures 10-12 Taking the cylindrical support tube 1 as an example, the first limiting tube 5 can be combined with the heating element 2 to form a whole, and then placed into the support tube 1. The side of the first limiting tube 5 near the tip 12 can be a tip or a flat surface. When it is a flat surface, the tip 12 of the support tube 1 can be filled with encapsulation filler 8. When it is a tip, the tip can extend into the tip 12 and be tolerantly matched with the tip 12, or it can be fixed with encapsulation filler 8.

[0092] The gaps between the support tube 1, the heating element 2, and the first limiting tube 5 can all be filled with encapsulating filler 8 to achieve fixation.

[0093] Among them, the encapsulating filler 8 can be a high-temperature resistant material, such as inorganic adhesive, glass glaze, etc.

[0094] The support pipe 1 can also be in various shapes, such as a triangular prism or a hexagonal prism. The cross-section of the support pipe 1 can be a polygon, such as a circle, triangle, quadrilateral, or hexagon. The sides of the polygon can be straight lines or concave or convex curves.

[0095] When a triangular cross-section tube is used as the support tube 1, a surface area to volume ratio close to that of a plate-shaped heating element can be obtained. This can improve the problem that plate-shaped heating elements are prone to breakage due to large changes in bending strength with direction. Moreover, under the same cross-sectional area conditions, the triangular cross-section support tube has both better strength and a larger heat exchange area.

[0096] In this embodiment, the support tube 1 can be made of ceramic, glass, or metal. Since ceramic needles and ceramic heating elements are prone to breakage due to the inherent brittleness of ceramics, and ceramic heating elements are also susceptible to bending and breakage due to their thinness, using a metal tube can effectively improve the brittleness of the heating element and prevent breakage.

[0097] In this embodiment, when the supporting tube 1 is made of metal, an insulating layer can be provided between the heating element 2 and the supporting tube 1 to prevent direct contact between the heating element 2 and the supporting tube 1, which could lead to a short circuit. For example, the inner wall of the supporting tube 1 can be oxidized in situ, such as by micro-arc oxidation and anodizing of aluminum, magnesium, or titanium, to achieve insulation. Alternatively, an insulating film, such as ceramic glaze, glass glaze, or inorganic adhesive film, can be coated on the inner wall of the supporting tube 1 or the surface of the heating element 2. Alternatively, an insulating spacer, such as an anodized aluminum sheet, ceramic sheet, or glass sheet, can be provided between the supporting tube 1 and the heating element 2.

[0098] See Figure 13 In one embodiment of this application, the first limiting tube 5 is provided with a plurality of protrusions 51, and a groove 52 is formed between adjacent protrusions 51. The heating elements 2 are respectively disposed in different groove areas. One heating element 2 can be disposed in the area surrounded by a groove, and the protrusions 51 can limit the heating element 2, so that the heating element 2 is evenly distributed, achieving uniform heating and having better temperature field uniformity and consistency.

[0099] Furthermore, a through hole 53 is provided at the center of the first limiting tube 5. By providing this through hole 53, the overall weight of the first limiting tube 5 can be reduced, thereby reducing the weight of the heating element and reducing the energy required for the heating element to heat up, thus increasing the heating rate.

[0100] The first limiting tube 5 can be a rubber component.

[0101] In one embodiment of this application, the heating component further includes a fixing member (not shown in the figure) embedded in the through hole 53. As one implementation, after the first limiting tube 5 and the heating element 2 are combined into an integral structure, the integral structure is pushed into the supporting tube 1 and the fixing member is inserted. Since the fixing member can fit tightly with the through hole 53 and the rubber part is elastic, when the fixing member is placed in the through hole, it can support the rubber part, allowing the rubber part to extend towards the inner wall of the supporting tube 1. The integral structure can contact the inner wall of the supporting tube 1, resulting in a more uniform heating effect and improved stability.

[0102] In this embodiment, the heating element 2 and the first limiting tube 5, as well as the heating element 2 and the supporting tube 1, can be fixed by the encapsulation filler 8.

[0103] In this embodiment, the heating element 2 can be a heating tube or a heating rod. The heating tube or heating rod can be made of conductive ceramic material or resistance wire material. The resistance wire material can be stainless steel, NiCr, FeCrAl, etc. The resistance of the heating element can be adjusted to a suitable range, such as 0.5 to 1.5Ω, by adjusting the wall thickness, diameter, number, or series / parallel connection method of the tube.

[0104] In one embodiment of this application, the first end of the heating element 2, that is, the side near the tip 11, can be electrically connected to the first ends of other heating elements 2 by a wire welding process, or can be electrically connected by a wire or by directly welding the first ends of the heating elements 2 together in pairs. The last end of the heating element 2, that is, the side away from the tip 11, can also be electrically connected to the last ends of other heating elements 2 by a wire welding process, or can be electrically connected by a wire or by directly welding the last ends of the heating elements 2 together in pairs.

[0105] In the embodiments of this application, the two ends of the heating element 2 can be connected in series, or in parallel, or both series and parallel connections can be used to achieve electrical connection. The specific circuit connection method can be designed according to the resistance, which is not limited here.

[0106] In this embodiment of the application, taking four heating elements 2 connected in series as an example, the conductive trajectory of the heating component is explained. Specifically, the current provided by the power module can be transmitted along the positive conductive lead 3 to the tail of the first heating element located at the power input terminal, flow through the head of the first heating element to the head of the second heating element, then flow from the tail of the second heating element to the tail of the third heating element, then flow from the head of the third heating element to the head of the fourth heating element, and then flow out from the negative conductive lead connected to the tail of the fourth heating element.

[0107] Furthermore, the number of heating elements 2 can be odd or even. When there is an odd number, the positive conductive lead 3 can be connected to the tail end of the heating element 2 located at the power input end, and the negative conductive lead 3 can be connected to the head end of the heating element 2 located at the power output end. When there is an even number, the positive conductive lead 3 is connected to the tail end of the heating element 2 located at the power input end, and the negative conductive lead 4 can be connected to the tail end of the heating element 2 located at the power output end.

[0108] In this embodiment, the length of the tail of the support tube 1 is a certain distance longer than the length of the tail of the heating element 2, which can prevent the heating element 2 from short-circuiting when welding or fixing the tail of the support tube 1.

[0109] Example 4

[0110] See Figures 15-18 A heating assembly is provided, similar to that in Embodiment 1, specifically including: a support tube 1, the support tube 1 including a tube body 11 and a pointed head 12 disposed at one end of the tube body 11; a plurality of heating elements disposed inside the support tube, with adjacent heating elements maintaining an electrical connection at one point and being insulated from each other at the other points; and a positive conductive lead electrically connected to a heating element located at a power input end, and a negative conductive lead electrically connected to a heating element located at a power output end; the free ends of the positive and negative conductive leads are led out along the tail of the support tube for electrical connection to a power module. The heating assembly further includes: a second limiting tube 6 disposed at the center of the support tube, with heating elements 2 equidistantly disposed around the second limiting tube 6, the heating elements 2 being metal foils or metal films. The heating element has a simple structure, low manufacturing cost, small overall mass, small heat capacity, fast heating speed, and low energy consumption. Furthermore, the heating element 2 is close to the supporting tube 1, so heat can be quickly transferred to the surface of the supporting tube 1, and the temperature can be raised quickly.

[0111] In this embodiment, the metal foil may include various shapes, such as V-shaped, arc-shaped, straight, etc. Specifically, different shapes can be formed by welding multiple metal foils, or the metal foil can be directly bent into the corresponding shape, which is low cost.

[0112] In the embodiments of this application, the metal film can be manufactured by etching or punching.

[0113] In this embodiment, the metal foil and the metal film are provided with a plurality of hooks 21. The hooks 21 are bent to form a bent portion, which is used to engage with the second limiting tube 6. (See also: etched sheet example) Figures 16-18 The etched sheet has multiple claws 21 at both ends. When assembling, the claws can be bent along the side wall of the second limiting tube 6 to form a bent part. The side wall of the second limiting tube 6 is accommodated in the bent part to form a snap-fit, thereby fixing the heating element 2.

[0114] In this embodiment, the support tube 1 can also be a triangular prism, a hexagonal prism, or other shapes. The cross-sectional shape of the support tube 1 can also be various, such as a circle, triangle, quadrilateral, hexagon, or other polygons. Figure 15 as well as Figure 18 Supporting tubes 1 with triangular and circular cross-sections are provided respectively. The sides of the polygon can be straight lines or concave or convex curves.

[0115] When a triangular cross-section tube is used as the support tube 1, a surface area to volume ratio close to that of a plate-shaped heating element can be obtained. This can improve the problem that plate-shaped heating elements are prone to breakage due to large changes in bending strength with direction. Moreover, under the same cross-sectional area conditions, the triangular cross-section support tube has both better strength and a larger heat exchange area.

[0116] In this embodiment, the support tube 1 can be made of ceramic, glass, or metal. Since ceramic needles and ceramic heating elements are prone to breakage due to the inherent brittleness of ceramics, and ceramic heating elements are also susceptible to bending and breakage due to their thinness, using a metal tube can effectively improve the brittleness of the heating element and prevent breakage.

[0117] In this embodiment, when the supporting tube 1 is made of metal, an insulating layer can be provided between the heating element 2 and the supporting tube 1 to prevent direct contact between the heating element 2 and the supporting tube 1, which could lead to a short circuit. For example, the inner wall of the supporting tube 1 can be oxidized in situ, such as by micro-arc oxidation and anodizing of aluminum, magnesium, or titanium, to achieve insulation. Alternatively, an insulating film, such as ceramic glaze, glass glaze, or inorganic adhesive film, can be coated on the inner wall of the supporting tube 1 or the surface of the heating element 2. Alternatively, an insulating spacer, such as an anodized aluminum sheet, ceramic sheet, or glass sheet, can be provided between the supporting tube 1 and the heating element 2.

[0118] In one embodiment of this application, the heating element 2 can also be an open heating tube. For example, when it is V-shaped, one corner of the triangular prism heating tube is cut off to form a V-shaped open heating tube. When it is arc-shaped, an arc-shaped open heating tube can be cut out of the cylindrical heating tube.

[0119] In the embodiments of this application, the two ends of the heating element 2 can be connected in series, or in parallel, or both series and parallel connections can be used to achieve electrical connection. The specific circuit connection method can be designed according to the resistance, which is not limited here.

[0120] In this embodiment of the application, taking four heating elements 2 connected in series as an example, the conductive trajectory of the heating component is explained. Specifically, the current provided by the power module can be transmitted along the positive conductive lead 3 to the tail of the first heating element located at the power input terminal, flow through the head of the first heating element to the head of the second heating element, then flow from the tail of the second heating element to the tail of the third heating element, then flow from the head of the third heating element to the head of the fourth heating element, and then flow out from the negative conductive lead connected to the tail of the fourth heating element.

[0121] Furthermore, the number of heating elements 2 can be odd or even. When there is an odd number, the positive conductive lead 3 can be connected to the tail end of the heating element 2 located at the power input end, and the negative conductive lead 3 can be connected to the head end of the heating element 2 located at the power output end. When there is an even number, the positive conductive lead 3 is connected to the tail end of the heating element 2 located at the power input end, and the negative conductive lead 4 can be connected to the tail end of the heating element 2 located at the power output end.

[0122] In this embodiment, the second limiting tube 6 can be made of a material with poor thermal conductivity, such as ceramics, glass, metals, and composite materials of any combination thereof.

[0123] In this embodiment, to prevent a short circuit between the heating element 2 and the second limiting tube 6, an insulating layer can be provided between them. For example, the second limiting tube can be made of an insulating material, or the surface of the second limiting tube 6 can be oxidized in situ, for example, by micro-arc oxidation and anodizing of aluminum, magnesium, or titanium, thereby achieving insulation. Alternatively, an insulating film can be coated on the surface of the second limiting tube 6 or the heating element 2, such as ceramic glaze, glass glaze, or inorganic adhesive film. Alternatively, an insulating spacer can be provided between the second limiting tube 6 and the heating element 2, such as an anodized aluminum sheet, ceramic sheet, or glass sheet.

[0124] In this embodiment of the application, the gap inside the support tube 1 can be filled by the encapsulation filler 8. For example, the gap between the second limiting tube 6 and the heating element 2, and the gap between the heating element 2 and the support tube 1 can both be filled by the encapsulation filler 8.

[0125] In this embodiment of the application, the side of the second limiting tube 6 near the tip 12 can be a tip or a flat surface. When it is a flat surface, the tip 12 of the supporting tube 1 can be filled with encapsulating filler 8. When it is a tip, the tip can extend into the tip 12 and be tolerantly matched with the tip, or it can be fixed with encapsulating filler 8.

[0126] The encapsulation filler 8 can be a high-temperature resistant material, such as inorganic adhesive or glass glaze.

[0127] In this embodiment, the length of the tail of the support tube 1 is a certain distance longer than the length of the tail of the heating element 2, which can prevent the heating element 2 from short-circuiting when welding or fixing the tail of the support tube 1.

[0128] Example 5

[0129] See Figures 19-20 A heating assembly is provided, similar to that in Embodiment 1, specifically including: a support tube 1, the support tube 1 including a tube body 11 and a pointed head 12 disposed at one end of the tube body 11; a plurality of heating elements disposed inside the support tube, with adjacent heating elements maintaining an electrical connection at one point and being insulated from each other at the other points; and a positive conductive lead electrically connected to a heating element located at a power input end, and a negative conductive lead electrically connected to a heating element located at a power output end; the free ends of the positive and negative conductive leads are led out along the tail of the support tube for electrical connection to a power module. The heating assembly further includes: a honeycomb limiting tube 7 disposed in the support tube 1, the honeycomb limiting tube 7 having a plurality of second mounting through holes 71, and the heating elements 2 being respectively embedded in the second mounting through holes 71. The honeycomb limiting tube 7 can stably transfer the heat of the heating element 2 to the outer surface of the supporting tube 1, and can achieve uniform heating. At the same time, it can improve the stability and uniform temperature field of the heating element. This uniform temperature field can reduce the burnt taste and improve the taste. It also has a simple structure, low process cost, small overall mass of the heating component, small heat capacity, fast heating speed and low energy consumption.

[0130] In this embodiment, a third limiting tube or a conductive tube is provided in the second mounting through hole 71 located at the center of the honeycomb limiting tube 7. That is, a heating element can be provided in the second mounting through hole 71 at the center of the honeycomb limiting tube 7, or the heating element 2 can be replaced with a third limiting tube or a conductive tube. By setting it as a third limiting tube, the heating element 2 can be limited, improving stability. When it is set as a conductive tube, it can be electrically connected to the heating elements 2 provided in the other second mounting through holes to achieve the connection of the conductive trajectory.

[0131] In one implementation, the heating element, the third limiting element, or the conductive element disposed in the second mounting through hole 71 located at the center of the honeycomb limiting tube 7 can be first welded to the inner top end of the pointed head 12 of the support tube 1. After the honeycomb limiting tube 7 and the heating element 2 are combined, the center of the honeycomb limiting tube 7 is a through hole. At this time, the heating element, the third limiting element, or the conductive element can be inserted into the through hole to provide fixation of the support tube 1 and the combination, and the gap can be filled by the encapsulation filler 9.

[0132] Furthermore, the heating element provided in the second mounting through hole 71 can also be used as a limiting element or a conductive element.

[0133] In this embodiment, the honeycomb limiting tube 7 can be made of an insulating material, such as rubber, ceramic, or glass, to prevent short circuits between different heat-generating components. The honeycomb limiting tube 7 can also be made of metal with an insulating layer on its surface, or an insulating spacer can be used to insulate the limiting tube 7 from the heat-generating components.

[0134] In this embodiment of the application, the support tube 1 may be a semi-enclosed support tube, that is, the tail of the support tube 1 is not enclosed.

[0135] In this embodiment, the pointed head 12 may be conical or pyramidal.

[0136] In this embodiment, the support tube 1 may include various shapes. For example, it may be columnar, and its cross-sectional shape may correspond to various shapes, such as circles, triangles, quadrilaterals, hexagons, and other polygons. The sides of the polygon may be straight lines or concave or convex curves.

[0137] When a triangular cross-section tube is used as the support tube 1, a surface area to volume ratio close to that of a plate-shaped heating element can be obtained. This can improve the problem that plate-shaped heating elements are prone to breakage due to the large change in bending strength with direction. Moreover, under the same cross-sectional area conditions, the triangular cross-section support tube has both better strength and a larger heat exchange area.

[0138] In this embodiment, the support tube 1 can be made of ceramic, glass, or metal. Since ceramic needles and ceramic heating elements are prone to breakage due to the inherent brittleness of ceramics, and ceramic heating elements are also susceptible to bending and breakage due to their thinness, using a metal tube can effectively improve the brittleness of the heating element and prevent breakage.

[0139] In one embodiment of this application, when the supporting tube 1 is made of metal, an insulating layer can be provided between the heating element 2 and the supporting tube 1 to prevent direct contact between the heating element 2 and the supporting tube 1, which could lead to a short circuit. For example, the inner wall of the supporting tube 1 can be oxidized in situ, such as by micro-arc oxidation and anodizing of aluminum, magnesium, or titanium, thereby achieving insulation. Alternatively, an insulating film, such as ceramic glaze, glass glaze, or inorganic adhesive film, can be coated on the inner wall of the supporting tube 1 or the surface of the heating element 2. Alternatively, an insulating spacer, such as an anodized aluminum sheet, ceramic sheet, or glass sheet, can be provided between the supporting tube 1 and the heating element 2.

[0140] In one embodiment of this application, the heating element 2 may be a heating tube, a heating rod, a heating film, a metal foil, or a metal film.

[0141] The heating film layer can be made of resistive paste and can be attached to the inner wall of the support tube 1.

[0142] The heating elements and heating rods can be made of conductive ceramic materials or resistance wire materials. The resistance wire material can be stainless steel, NiCr, FeCrAl, etc. The resistance of the heating element can be adjusted to a suitable range, such as 0.5 to 1.5Ω, by adjusting the wall thickness, diameter, number, or series / parallel connection method of the elements.

[0143] In the embodiments of this application, the two ends of the heating element 2 can be connected in series, or in parallel, or both series and parallel connections can be used to achieve electrical connection. The specific circuit connection method can be designed according to the resistance, which is not limited here.

[0144] In this embodiment of the application, taking four heating elements 2 connected in series as an example, the conductive trajectory of the heating component is explained. Specifically, the current provided by the power module can be transmitted along the positive conductive lead 3 to the tail of the first heating element located at the power input terminal, flow through the head of the first heating element to the head of the second heating element, then flow from the tail of the second heating element to the tail of the third heating element, then flow from the head of the third heating element to the head of the fourth heating element, and then flow out from the negative conductive lead connected to the tail of the fourth heating element.

[0145] Furthermore, the number of heating elements 2 can be odd or even. When there is an odd number, the positive conductive lead 3 can be connected to the tail end of the heating element 2 located at the power input end, and the negative conductive lead 3 can be connected to the head end of the heating element 2 located at the power output end. When there is an even number, the positive conductive lead 3 is connected to the tail end of the heating element 2 located at the power input end, and the negative conductive lead 4 can be connected to the tail end of the heating element 2 located at the power output end.

[0146] In this embodiment, the heating element 2 can be fixed in the support tube 1 by tolerance fitting, or it can be fixed by encapsulation filler 8. Different heating elements 2 can also be isolated and fixed by encapsulation filler 8, and the gap between the heating element 2 and the support tube 1, as well as the gap between different heating elements 2, can be filled by encapsulation filler 8.

[0147] The encapsulation filler 8 can be a high-temperature resistant material, such as inorganic adhesive or glass glaze.

[0148] In one embodiment of this application, the length of the support tube 1 is a certain distance longer than the length of the heating element 2, which can prevent the heating element 2 from short-circuiting when welding or fixing the tail of the support tube 1.

[0149] Example 6

[0150] This application embodiment also provides a heat-not-combustible atomizing device, the atomizing device comprising:

[0151] The atomizing device body (not shown in the figure) is equipped with a power module (not shown in the figure); a heating component is disposed inside the atomizing device body, the heating component being the heating component described in Embodiments 1-5 above, the positive conductive lead 3 and the negative conductive lead 4 being electrically connected to the power module to supply power to the heating component; and a fixed base (not shown in the figure) is fixedly assembled with the heating component to fix the heating component inside the atomizing device body. In this embodiment, by setting the heating component in the heated non-combustible atomizing device, the heating component can be made by using tubes and heating elements together, which can reduce its mass while maintaining strength, thereby reducing the energy required for heating and increasing the heating speed. Furthermore, the tube processing technology is very mature, which not only helps to reduce processing costs but also helps to improve product consistency. Therefore, it can effectively improve the problem of poor heating element consistency caused by the deformation of the heating coil.

[0152] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A heat generating component, characterized by The heating assembly comprises: A support pipe, which comprises a pipe body and a pointed head arranged at one end of the pipe body, and has a circular, triangular, quadrangular or hexagonal cross-sectional shape; A plurality of heating elements arranged inside the support pipe, and an insulation layer arranged between the heating elements and the support pipe, wherein the heating elements are metal foils or metal films, and a plurality of hooks are arranged on the metal foils or the metal films, the hooks are bent to form bent portions for fixation, and adjacent two heating elements are electrically connected at one position and are insulated at other positions by an insulation coating or an insulation spacer; and A positive conductive lead wire electrically connected to the heating element at the input end of the power supply, and a negative conductive lead wire electrically connected to the heating element at the output end of the power supply, wherein free ends of the positive conductive lead wire and the negative conductive lead wire are led out along the tail of the support pipe to be electrically connected to the power supply module, and the gaps between the support pipe and the heating elements and the gaps between different heating elements are filled and fixed by encapsulation fillers.

2. The heat generating component of claim 1, wherein, The support pipe is a honeycomb support pipe, and a plurality of first mounting through holes are arranged inside the honeycomb support pipe, and the heating elements are respectively embedded in different first mounting through holes and are in tolerance fit with the first mounting through holes or are fixed in the first mounting through holes by encapsulation fillers.

3. The heat generating component of claim 1, wherein, The heating assembly further comprises: A first limiting pipe arranged at the center of the support pipe, and the heating elements are arranged equidistantly around the first limiting pipe.

4. The heat generating component of claim 3, wherein, A plurality of protruding structures are arranged on the first limiting pipe, and a groove is formed between adjacent protruding structures, and the heating elements are respectively arranged in different groove regions.

5. The heat generating component of claim 4, wherein, A through hole is arranged at the center of the first limiting pipe.

6. The heat generating component of claim 1, wherein, The heating assembly further comprises: A second limiting pipe arranged at the center of the support pipe, and the heating elements are arranged equidistantly around the second limiting pipe.

7. The heat generating component of claim 1, wherein, The heating assembly further comprises: A honeycomb limiting pipe arranged in the support pipe, and a plurality of second mounting through holes are arranged on the honeycomb limiting pipe, and the heating elements are respectively embedded in the second mounting through holes.

8. The heat generating component of claim 7, wherein, A third limiting pipe or a conductive pipe is arranged in the second mounting through hole at the center of the honeycomb limiting pipe.

9. A heat-not-burn aerosol generating device, characterized by, The atomization device comprises: An atomization device body, which is provided with a power supply module; A heating assembly arranged inside the atomization device body, wherein the heating assembly is any one of the heating assemblies according to claims 1-8, and the positive conductive lead wire and the negative conductive lead wire are electrically connected to the power supply module to supply power to the heating assembly; A fixing base fixedly assembled with the heating assembly to fix the heating assembly in the atomization device body.

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