JP2024021057A - Heat generating structure and electronic atomization device - Google Patents

Abstract

The present invention provides a heating structure with reduced power consumption and an electronic atomization device equipped with the same. A heating structure 100 includes a heating tube 10 configured as a hollow structure with openings provided at both ends in the axial direction, and is fixedly provided at one end of the heating tube in the axial direction. A base 30 that shields an opening at one end in the direction is provided, and a heat insulating hole 60 is provided in at least one of the heating tube and the base. As a result, the heat transfer path when the heat on the heating tube is transferred to the outside is blocked by the insulation hole, and the heat transferred from the heating tube is blocked or alleviated from being transferred to the outside again, and the heat is transferred to the outside. This reduces the heat loss of the drop-down heating tube and the power consumption of the electronic atomizer, thereby saving power and increasing the standby time of the electronic atomizer. [Selection diagram] Figure 1

Description

TECHNICAL FIELD The present invention relates to the field of atomization technology, and particularly to a heat generating structure and an electronic atomization device.

Aerosols are colloidal dispersions formed when small particles of solid or liquid are dispersed and suspended in a gaseous medium.Aerosols are absorbed into the human body through the respiratory system, thus providing users with a new alternative means of absorption. . For example, electronic atomization devices, which generate aerosols by heating liquid or solid aerosol-generating substrates, are applied in various fields and provide inhalable aerosols to users instead of traditional product forms and absorption means. .

Generally, electronic atomization devices atomize an aerosol-generating substrate, which is a substrate material that can be atomized to produce an aerosol. In the related technology, the heat generated from the heating tube body that heats the aerosol-generating substrate is easily transferred to the housing and released, and as a result, the electronic atomization device continues to release heat to the outside during the atomization heating process. , increase the product's power consumption and shorten the product's standby usage time.

In view of this, there is a need to provide a heating structure and an electronic atomization device to address the problem of higher power consumption of the electronic atomization device.

The heating structure includes a heating tube configured as a hollow structure with openings provided at both ends in the axial direction; a base that shields an opening of the heating tube, and at least one of the heating tube and the base is provided with a heat insulating hole.

In the above heating structure, the base is fixedly provided at one end of the heating tube in the axial direction, and by blocking the opening at one end of the heating tube in the axial direction, the base is fixed at one end of the heating tube in the axial direction. A receiving cavity is secured and enclosed between the base and the heating tube to contain the aerosol-generating substrate. Here, at least one of the heating tube and the base is provided with a heat insulating hole, and the heat insulating hole blocks a heat transfer path when heat on the heating tube is transferred to the outside, so that the heat transferred from the heating tube is Blocking or mitigating the transmission of heat to the outside, preventing heat from being released to the outside, reducing heat loss in the heating tube, reducing power consumption of the electronic atomization device to save power, Furthermore, the standby time of the electronic atomization device is increased.

In one embodiment, the heating tube includes a heating tube body and a guide member, and the guide member is fitted onto one end of the heating tube body in the axial direction and communicates with the inside of the heating tube body. A heat insulating hole is provided in at least one of the heating tube main body, the guide member, and the base.

In one embodiment, the heating tube body is provided with a heat insulating hole.

In one embodiment, the heating tube body is provided with a plurality of the heat insulation holes at intervals along the circumferential direction of the heating tube body.

In one embodiment, the base is provided with the insulation hole.

In one embodiment, the base includes a first part and a second part surrounding the outside of the first part, and the first part has an opening at one axial end of the heating tube body. The second portion is provided to protrude from the heating tube main body along the radial direction of the heating tube main body, and the second portion is provided with the heat insulation hole.

In one embodiment, the second portion is provided with a plurality of spaced apart insulation holes surrounding the first portion.

In one embodiment, the guide member is provided with the heat insulation hole.

In one embodiment, the guide member includes a guide ring and a convex ring, and the guide ring is fitted onto one end of the heating tube body in the axial direction, has the guide hole, and has the convex ring. A shaped ring is provided surrounding the outside of the guide ring, and the convex ring is provided with the heat insulating hole.

In one embodiment, at least one of the guide member and the base is provided with a protruding support protrusion, and the support protrusion extends outward along the axial direction of the heating tube body or the radial direction of the heating tube body. Protrudingly provided.

In one embodiment, the support protrusion includes a first support protrusion provided on the guide member, and the first support protrusion extends away from the base along the axial direction of the heating tube main body. The guide member is provided to protrude from the guide member.

In one embodiment, the support protrusion includes a second support protrusion provided on the base, and the second support protrusion extends away from the guide member along the axial direction of the heating tube body. It is provided to protrude from the base.

In one embodiment, the support protrusion includes a third support protrusion provided on the base, and the third support protrusion is provided to protrude from the base along the radial direction of the heating tube main body.

The electronic atomizer includes a housing and the heat generating structure described above, and the heat generating structure is fitted into the housing.

FIG. 1 is a schematic structural diagram from one perspective of a heat generating structure according to an embodiment of the present invention. FIG. 2 is a schematic structural diagram of the heat generating structure shown in FIG. 1 from another perspective. 2 is a schematic cross-sectional view of the heat generating structure shown in FIG. 1. FIG. FIG. 2 is a schematic structural diagram of a heating tube main body of the heat generating structure shown in FIG. 1; FIG. 2 is a schematic structural diagram of the base of the heat generating structure shown in FIG. 1; 2 is a schematic structural diagram of a guide member of the heat generating structure shown in FIG. 1. FIG.

In order to more clearly understand the above objects, features, and advantages of the present invention, specific embodiments of the present invention will be described in detail below with reference to the drawings. In the following description, many specific details are set forth in order to provide a thorough understanding of the invention. However, the present invention may be embodied in many other forms than those described herein, and similar modifications may be made by those skilled in the art without departing from the spirit of the invention. can. Therefore, the invention is not limited to the specific examples disclosed below.

In the description of the present invention, it is to be understood that the terms "center", "vertical direction", "lateral direction", "length", "width", "thickness", "upper", "lower", "front" ", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", " The directions or positional relationships indicated by "axial direction", "radial direction", "circumferential direction", etc. are based on the directions or positional relationships shown in the drawings, and are intended to facilitate and simplify the explanation of the present invention. are not intended to imply or imply that the devices or elements referred to must have a particular orientation, be constructed or operate in a particular orientation, and are not to be construed as limiting the invention. Shouldn't.

It should be noted that the terms "first" and "second" are for descriptive purposes only and are not to be understood as implying or implying relative importance or number of technical features described. Therefore, the features defined by "first" and "second" can include at least one of the features explicitly or implicitly. In the description of the present invention, unless expressly and specifically limited, "plurality" means at least two, such as two, three, etc.

In the present invention, terms such as "attachment", "coupling", "connection", "fixation", etc. should be understood in a broad sense, and may include, for example, a fixed connection, unless specifically defined and limited. However, it may be a detachable connection or may be integrated. Further, the connection may be mechanical or electrical. Furthermore, unless specifically limited, the connection may be direct, or may be indirectly connected through an intermediate medium, or may be an internal communication between two elements or an interaction relationship between the two elements. Good too. Those skilled in the art can understand the specific meanings of the above terms in the present invention depending on the specific situation.

In the present invention, unless specifically specified and limited, the first feature being "above" or "below" the second feature does not mean that the first and second features may be in direct contact. However, the first and second features may come into contact indirectly via an intermediate medium. Furthermore, the fact that the first feature is "above", "above", and "on the top surface" of the second feature means that the first feature is directly above or diagonally above the second feature, or may simply indicate that the horizontal height of the feature is greater than the second feature. The fact that the first feature is "below", "beneath", and "on the underside" of the second feature means that the first feature is directly below or diagonally below the second feature, or the first feature It may simply indicate that the horizontal height is less than the second feature.

It should be noted that when an element is referred to as being "fixed" or "provided to" another element, it may be present directly on the other element, or there may be intervening elements present. When an element is considered "connected" to another element, it may be directly connected to the other element, or there may be intervening elements. The terms "vertical", "horizontal", "above", "below", "left", "right" and similar expressions used herein are for descriptive purposes only and indicate only embodiments. isn't it.

Referring to FIGS. 1 to 3, in one embodiment of the present invention, a heat generating structure 100 is provided, and the heat generating structure 100 includes a heating tube 10 and a base 30, and the heating tube 10 is arranged at both ends in the axial direction. The base 30 has a hollow structure with an opening, and is fixedly provided at one end of the heating tube 10 in the axial direction, and shields the opening at one end of the heating tube 10 in the axial direction. In this way, the base 30 is fixed to one end of the heating tube 10 in the axial direction, and an accommodation cavity is formed between the base 30 and the heating tube 10 to accommodate the aerosol-generating substrate.

When the heating structure 100 operates, the heating tube 10 generates heat to heat and atomize the aerosol-generating substrate inside the heating tube 10. Optionally, the heating tube 10 generates heat by electric resistance, for example, the heating tube 10 is provided with an electric resistance wire, and the heat generated by the electric resistance wire is transferred to the heating tube 10, and the aerosol-generating substrate is transferred from the heating tube 10. transfers heat to. Alternatively, the heating tube 10 generates heat according to the principle of electromagnetic induction, for example, an electromagnetic induction coil is fitted on the outside of the heating tube 10, and the heating tube 10 generates heat by the action of the electromagnetic induction coil. The method of generating heat by the heating tube 10 is not limited here.

Here, a heat insulating hole 60 is provided in at least one of the heating tube 10 and the base 30, and the heat insulating hole 60 blocks a heat transfer path when the heat on the heating tube 10 is transferred to the outside. This prevents heat from being transferred to the outside from being transferred to the outside again, prevents heat from being released to the outside, reduces heat loss in the heating tube 10, and reduces power consumption of the electronic atomization device. This saves power and also increases the standby time of the electronic atomizer.

Further, the shape of the heat insulating hole 60 is circular, square, or track-like, and the specific shape of the heat insulating hole 60 is not limited here.

In some embodiments, the heating tube 10 includes a heating tube main body 12 and a guide member 50, and the guide member 50 is fitted onto the other end of the heating tube main body 12 in the axial direction, and the heating tube main body 12 The heating tube body 12 has a guide hole 51 that communicates with the inside of the heating tube body 12, and the aerosol-generating substrate can be smoothly inserted into the accommodation cavity inside the heating tube main body 12 through the guide hole 51. Optionally, guide member 50 and heating tube body 12 are molded separately or integrally. Here, the guide member 50 may be a guide tube or other guide structure, and the specific design of the guide member 50 is not limited here. As will be appreciated, in some other embodiments, heating tube 10 does not include guide member 50. There is no limitation here as to whether or not the guide member 50 is provided.

Referring to FIG. 4, in some embodiments, the heating tube body 12 is provided with insulation holes 60. In this way, the heat insulating holes 60 block the path through which the heat on the heating tube body 12 is transmitted to the outside, thereby blocking or relaxing the heat on the heating tube body 12 from being transmitted to the outside. Preventing emissions, lowering the power consumption of the electronic atomization device and increasing the usage time.

Further, the heating tube body 12 is provided with a plurality of heat insulation holes 60 at intervals along the circumferential direction thereof, and the plurality of heat insulation holes 60 provide heat insulation from each direction in the circumferential direction of the heating tube body 12. , uniformly blocks heat from being transmitted to the outside in the circumferential direction of the heating tube body 12. Optionally, the distance from the insulation hole 60 to the bottom end of the heating tube body 12 is 1 to 10 mm, and the width of the shin connecting the insulation hole 60 is 0.4 to 3 mm. . Alternatively, the heat insulating hole 60 is a through hole provided to penetrate the heating tube body 12 in the radial direction, or a blind via recessed in the radial direction of the heating tube body 12. The depth of the heat insulation hole 60 is not limited here.

Referring to FIGS. 1 to 3 and FIG. 5, in some embodiments, the base 30 is provided with a heat insulating hole 60, which allows the heat on the heating tube 10 to be transferred to the outside through the base 30. blocking the transmission path, blocking or mitigating the transmission of heat on the heating tube 10 to the outside, preventing heat from being released to the outside, and reducing power consumption of the electronic atomization device; Extend usage time.

Further, the base 30 includes a first portion 32 and a second portion 34 surrounding the outside of the first portion 32, and the first portion 32 has an opening at one end in the axial direction of the heating tube body 12. The second portion 34 is provided to protrude from the heating tube body 12 along the radial direction of the heating tube body 12, and the second portion 34 is provided with a heat insulating hole 60. In this way, the first portion 32 shields the opening at one end of the heating tube body 12, and the first portion 32 and the heating tube body 12 surround to form an accommodation cavity for accommodating the aerosol-generating substrate. Ru. Optionally, the first portion 32 is fitted into an opening at the axial end of the heating tube body 12, and the first portion 32 is fixed on the heating tube body 12 while blocking the opening. Ru.

Further, a second portion 34 is provided on the outer periphery of the first portion 32, and a heat insulating hole 60 is provided in the second portion 34. In this way, other members such as an electromagnetic induction coil can be fixed to the outside of the heating tube main body 12 using the second portion 34, and the heat insulating hole 60 provided in the second portion 34 can be fixed to the outside of the heating tube main body 12. This is used to block the path through which the heating member transmits heat to the outside via the base 30, thereby preventing heat from diffusing to the outside.

Specifically, the second portion 34 is provided with a plurality of heat insulation holes 60 that surround the first portion 32 and are arranged at intervals, and each of the heat insulation holes 60 in the circumferential direction of the base 30 is provided. Heat insulation is performed from the direction to uniformly block heat from being transmitted to the outside in the circumferential direction of the base 30. Optionally, the distance from the insulation hole 60 to the outer edge of the second portion 34 is 0.5 to 5 mm, and the width of the shin connecting the insulation hole 60 is 0.4 to 3 mm. It is. Alternatively, the heat insulating hole 60 is a through hole provided to penetrate the base 30 in the axial direction, or a blind via recessed in the axial direction of the base 30. The depth of the heat insulation hole 60 is not limited here.

Referring to FIGS. 1-3 and 5, in some embodiments, guide member 50 is provided with insulation holes 60. Referring to FIGS. The heat insulating holes 60 block the path through which the heat on the heating tube body 12 is transmitted to the outside via the guide member 50, thereby blocking or relaxing the heat on the heating tube body 12 from being transmitted to the outside. Prevents it from being released to the outside, reduces the power consumption of the electronic atomizer, and extends the usage time.

Further, the guide member 50 includes a guide ring 52 and a convex ring 54, and the guide ring 52 is fitted onto one end of the heating tube body 12 in the axial direction, has a guide hole 51, and has a convex ring 54. 54 is provided surrounding the outside of the guide ring 52, and the convex ring 54 is provided with a heat insulating hole 60. In this way, other members can be fixed on the outside of the heating tube body 12 using the convex ring 54, for example, an electromagnetic induction coil can be fixed between the convex ring 54 and the second part 34. can do. Furthermore, the heat insulating holes 60 provided in the convex ring 54 are used to block the path through which the heating member transmits heat to the outside via the guide member 50, thereby preventing heat from diffusing to the outside.

1 and 5 to 6, in some embodiments, at least one of the guide member 50 and the base 30 is provided with a protruding support protrusion 80, and the support protrusion 80 is provided on the heating tube body 12. The support protrusion 80 is provided to protrude outward along the axial direction or the radial direction of the heating tube main body 12, and is the outermost support point of the entire heat generating structure 100, and when the heat generating structure 100 is fitted into the housing, heat is generated. The structure 100 makes local point contact with the housing via the support protrusion 80, reducing the contact area between the heat generating structure 100 and the housing, further reducing the transmission path for heat to be transferred to the housing, and further reducing heat transfer. Prevent it from spreading outside.

1 and 6, the support protrusion 80 further includes a first support protrusion 82 provided on the guide member 50, and the first support protrusion 82 extends along the axial direction of the heating tube body 12. The guide member 50 is provided to protrude from the guide member 50 in the direction away from the base 30 . That is, by providing the first support protrusion 82 on the top of the guide member 50, the guide member 50 makes point contact with the housing in the axial direction of the heating tube body 12 via the first support protrusion 82, and 12 axially to the top of the heating structure 100, further preventing heat from being transferred from the axial top of the heating tube body 12 to the housing, reducing heat diffusion.

1 and 5, the support protrusion 80 further includes a second support protrusion 84 provided on the base 30, and the second support protrusion 84 is guided along the axial direction of the heating tube body 12. It is provided to protrude from the base 30 in the direction away from the member 50. That is, by providing the second support protrusion 84 at the bottom of the base 30, the base 30 makes point contact with the housing in the axial direction of the heating tube body 12 via the second support protrusion 84, and the base 30 makes point contact with the housing in the axial direction of the heating tube body 12. It provides a heat transfer barrier to the bottom of the heating structure 100 in the axial direction, and further prevents heat from being transferred from the axial bottom of the heating tube body 12 to the housing, reducing heat diffusion.

Specifically, the support protrusion 80 includes a third support protrusion 86 provided on the base 30, and the third support protrusion 86 is provided to protrude from the base 30 along the radial direction of the heating tube main body 12. That is, by providing the third support protrusion 86 protruding from the outer periphery of the base 30, the base 30 comes into point contact with the housing in the radial direction of the heating tube body 12 via the third support protrusion 86. 12 radially to the heat generating structure 100, further preventing heat from being transferred to the housing along the radial direction of the heating tube body 12, reducing heat diffusion.

Specifically, in this embodiment, the support protrusion 80 includes a first support protrusion 82 , a second support protrusion 84 , and a third support protrusion 86 . 84 supports the heat generating structure 100 at opposite ends of the heating tube body 12 in the axial direction, and the third support protrusion 86 supports the heat generating structure 100 at a point along the radial direction of the heating tube body 12. In this way, the upper end, the lower end, and the outer periphery of the entire heat generating structure 100 all come into point contact with the housing, and the contact area between the outer periphery of each heat generating structure 100 and the housing becomes smaller, and the contact area with the housing becomes smaller. Effectively block or moderate heat transfer.

In one embodiment of the present invention, an electronic atomization device is provided, the electronic atomization device comprising a housing and the heat generation structure 100 of any of the embodiments above, the heat generation structure 100 being fitted into the housing. , the heat generating structure 100 is protected by the housing. The heat generating structure 100 includes a heating tube 10 and a base 30. The heating tube 10 is configured as a hollow structure with openings provided at both ends in the axial direction, and the base 30 is provided at one end in the axial direction of the heating tube 10. It is fixedly provided and shields the opening at one end of the heating tube 10 in the axial direction. In this way, the base 30 is fixed to one end of the heating tube 10 in the axial direction, and an accommodation cavity is formed between the base 30 and the heating tube 10 to accommodate the aerosol-generating substrate.

When the heating structure 100 operates, the heating tube 10 generates heat to heat and atomize the aerosol-generating substrate inside the heating tube 10. Optionally, the heating tube 10 generates heat by electric resistance, for example, the heating tube 10 is provided with an electric resistance wire, and the heat generated by the electric resistance wire is transferred to the heating tube 10, and the aerosol-generating substrate is transferred from the heating tube 10. transfers heat to. Alternatively, the heating tube 10 generates heat according to the principle of electromagnetic induction, for example, an electromagnetic induction coil is fitted on the outside of the heating tube 10, and the heating tube 10 generates heat by the action of the electromagnetic induction coil. The method of generating heat by the heating tube 10 is not limited here.

Here, a heat insulating hole 60 is provided in at least one of the heating tube 10 and the base 30, and the heat insulating hole 60 blocks a heat transfer path when the heat on the heating tube 10 is transferred to the outside. This prevents heat from being transferred to the outside from being transferred to the outside again, prevents heat from being released to the outside, reduces heat loss in the heating tube 10, and reduces power consumption of the electronic atomization device. This saves power and also increases the standby time of the electronic atomizer.

The technical features of the embodiments described above can be combined arbitrarily, and in order to simplify the explanation, all possible combinations of the technical features of the embodiments described above are not explained. , unless there is a contradiction in the combination of these technical features, it should be considered within the scope described in this specification.

The above examples merely illustrate some embodiments of the present application, and although the description thereof is specific and detailed, it should not be understood as limiting the scope of the invention of the present application. It should be noted that those skilled in the art can make several modifications and improvements that fall within the scope of the present application without departing from the spirit thereof. Accordingly, the patentable scope of this application shall be as defined by the appended claims.

100 Heat generating structure; 10 Heating tube; 12 Heating tube body; 30 Base; 32 First part; 34 Second part; 50 Guide member; 51 Guide hole; 52 Guide ring; 54 Convex ring; 60 Heat insulation hole; 80 Support protrusion; 82 First support protrusion; 84 Second support protrusion; 86 Third support protrusion.

Claims (14)

a heating tube configured as a hollow structure with openings provided at both ends in the axial direction;
a base fixedly provided at one end of the heating tube in the axial direction and shielding an opening at one end of the heating tube in the axial direction;
A heat generating structure, wherein at least one of the heating tube and the base is provided with a heat insulating hole. The heating tube includes a heating tube body and a guide member, and the guide member is fitted onto one end of the heating tube body in the axial direction and has a guide hole that communicates with the inside of the heating tube body. ,
The heat generating structure according to claim 1, wherein at least one of the heating tube main body, the guide member, and the base is provided with a heat insulating hole. The heat generating structure according to claim 2, wherein the heating tube main body is provided with the heat insulation hole. The heat generating structure according to claim 3, wherein the heating tube body is provided with a plurality of the heat insulation holes at intervals along the circumferential direction of the heating tube body. The heat generating structure according to claim 2, wherein the base is provided with the heat insulation hole. The base includes a first portion and a second portion surrounding the outside of the first portion, the first portion shielding an opening at one end in the axial direction of the heating tube body, and the second portion surrounding the outside of the first portion. The second portion is provided to protrude from the heating tube main body along the radial direction of the heating tube main body,
The heat generating structure according to claim 5, wherein the second portion is provided with the heat insulation hole. The heat generating structure according to claim 6, wherein the second portion is provided with a plurality of the heat insulating holes that surround the first portion and are spaced apart. The heat generating structure according to claim 2, wherein the guide member is provided with the heat insulation hole. The guide member includes a guide ring and a convex ring, the guide ring is fitted onto one end of the heating tube main body in the axial direction and has the guide hole, and the convex ring The heat generating structure according to claim 8, wherein the convex ring is provided surrounding the outside of the guide ring, and the heat insulating hole is provided in the convex ring. At least one of the guide member and the base is provided with a protruding support protrusion,
The heat generating structure according to claim 2, wherein the support protrusion is provided to protrude outward along the axial direction of the heating tube main body or the radial direction of the heating tube main body. The support protrusion includes a first support protrusion provided on the guide member, and the first support protrusion protrudes from the guide member in a direction away from the base along the axial direction of the heating tube main body. The heat generating structure according to claim 10, wherein the heat generating structure is provided. The support protrusion includes a second support protrusion provided on the base, and the second support protrusion is provided to protrude from the base in a direction away from the guide member along the axial direction of the heating tube main body. The heat generating structure according to claim 10. The support protrusion includes a third support protrusion provided on the base, and the third support protrusion is provided to protrude from the base along the radial direction of the heating tube main body. The heat generating structure according to item 10. An electronic atomization device comprising: a housing; and the heat generating structure according to any one of claims 1 to 13, wherein the heat generating structure is fitted into the housing.

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