Electric heating aerosol delivery device

Abstract

The invention provides an electric heating aerosol delivery device which comprises an outer shell, a heater arranged in the outer shell, a heat insulation pipe arranged in the outer shell and a first fixing pipe located in the heat insulation pipe and supported and fixed, and the first fixing pipe comprises a first part and a second part connected with the first part. The first part accommodates at least one part of the heat-not-burn product, and the second part is used for supporting the heater; the heat insulation pipe is provided with an insertion opening allowing the heating non-combustion product to be inserted and an air inlet surrounding the outer peripheral side of the insertion opening, and external air flows through the air inlet to reach the heater to be heated. Under the condition that the heating non-combustion product is not combusted, the heating of the heating non-combustion product by the heater is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of aerosol generation, and in particular to an electrically heated aerosol delivery device. Background Art

[0002] Tobacco products (e.g., cigarettes, cigars, etc.) burn tobacco to produce tobacco smoke during use. People try to replace these tobacco-burning products by making products that release compounds without burning. Currently, they often release compounds by heating rather than burning materials. Known heating devices heat and bake heat-not-burn products at a lower temperature by contact heat conduction at a temperature of about 250°C to 500°C, so that heat-not-burn products can release aerosols without burning and pass them to consumers, thereby replacing burning tobacco products. Summary of the invention

[0003] An embodiment of the present invention provides an electrically heated aerosol delivery device, comprising an outer shell and a heater installed in the outer shell. The electrically heated aerosol delivery device also includes an insulating tube installed in the outer shell and a first fixed tube supported and fixed in the insulating tube, wherein the first fixed tube includes a first part and a second part connected to the first part, the first part accommodating at least a part of the heated non-combustible product, and the second part is used to support the heater.

[0004] The heat-insulating tube is provided with an insertion port for inserting the non-combustible heating product and an air inlet surrounding the outer peripheral side of the insertion port, and the external air flows through the air inlet to the heater to increase its temperature.

[0005] Optionally, the insulation tube includes an inner tube, an outer tube coaxially arranged with the inner tube, and a connecting portion located between the inner tube and the outer tube, the air inlet is arranged at the connecting portion, and the insertion port is surrounded by the inner tube.

[0006] Optionally, a gap is provided between the inner tube and the outer tube to form an air flow channel, and the external gas flows through the heater through the air inlet to be heated and the heated gas is released through the insertion port.

[0007] Optionally, a connection between the first part and the second part extends inwardly to form a partition, and the partition includes a flow hole for air to flow through, and the diameter of the flow hole is less than or equal to the diameter of the heater.

[0008] Optionally, the first part is supported and fixed by the inner tube, and the first part is formed by the partition extending toward the downstream of the first fixed tube. The first part has a accommodating cavity connecting the insertion port and the flow hole, and the accommodating cavity is used to accommodate the heat-not-burn product inserted through the insertion port.

[0009] Optionally, the second portion is formed by extending the partition toward the upstream of the first fixed pipe, and the second portion has a fixed cavity communicating with the air flow channel and the flow hole, and the fixed cavity is used to install the heater.

[0010] Optionally, the heater has an air inlet, an air outlet, and a cavity connecting the air inlet and the air outlet, the air outlet connects the flow hole and the cavity, and the air inlet connects the air flow channel and the cavity.

[0011] Optionally, the hole radius of the circulation hole is equal to or greater than the hole radius of the air outlet hole, or the hole radius of the circulation hole is equal to or greater than half of the distance between two air outlet holes that are farthest apart.

[0012] Optionally, the electrically heated aerosol delivery device further comprises a second fixed tube, which is embedded and accommodated in the second part, the second fixed tube connects the flow hole and the airflow channel, and the heater is accommodated between the second part and the second fixed tube.

[0013] Optionally, a limiting portion is provided on the inner side wall of the second fixed tube, the heater is fixed by the limiting portion of the second fixed tube, and a gap is formed between the heater and the second fixed tube.

[0014] In the electrically heated aerosol delivery device of the above embodiment of the present invention, the heat-not-burn product is inserted into the first part of the first fixed tube through the insertion port, and the heater is supported by the second part of the first fixed tube. When the user inhales the heat-not-burn product, due to the internal negative pressure, the external gas enters the heat-insulating tube through the air inlet, and enters the second part of the first fixed tube to be electrically heated by the heater to increase the temperature. The air electrically heated by the heater will enter the first part of the first fixed tube to heat the heat-not-burn product to generate an aerosol for the user to inhale. The present invention achieves heating of the heat-not-burn product by the heater to generate an aerosol for the user to inhale under the condition that the heat-not-burn product does not burn, and achieves good heat insulation and heat preservation through the heat-insulating tube, thereby improving the heating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a schematic structural diagram of an electrically heated aerosol delivery device and a heat-not-burn product provided in one embodiment of the present invention.

[0017] Figure 2 It is a partial cross-sectional structural schematic diagram of an electrically heated aerosol delivery device provided in one embodiment of the present invention.

[0018] Figure 3It is a partial cross-sectional structural schematic diagram of an electrically heated aerosol delivery device provided in another embodiment of the present invention.

[0019] Figure 4 It is a schematic cross-sectional structural diagram of a heater of an electrically heated aerosol delivery device provided in one embodiment of the present invention.

[0020] Figure 5 It is a partial cross-sectional structural schematic diagram of an electrically heated aerosol delivery device provided in one embodiment of the present invention. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0022] like Figure 1 to Figure 2 As shown, an embodiment of the present invention provides an electrically heated aerosol delivery device, comprising an outer shell 9, a heater 2 installed in the outer shell 9, and an insulating tube 1 installed in the outer shell 9, and a first fixed tube 4 supported and fixed in the insulating tube 1, wherein the first fixed tube 4 comprises a first portion 42 and a second portion 43 connected to the first portion 42, wherein the first portion 42 is used to accommodate at least a portion of the heat-not-burn product 3, and the second portion 43 is used to support the heater 2. The insulating tube 1 is provided with an insertion port 11 for inserting the heat-not-burn product 3 and an air inlet 13 surrounding the outer peripheral side of the insertion port 11, and the external gas flows through the air inlet 13 to the heater 2 to be heated. Understandably, both the first portion 42 and the second portion 43 are tubular.

[0023] When the user inhales the heat-not-burn product 3, due to the internal negative pressure, the external air enters the heat-insulating tube 1 through the air inlet 13, and enters the second part 43 of the first fixed tube 4 to be electrically heated by the heater 2 to increase the temperature. The air electrically heated by the heater 2 will enter the first part 42 of the first fixed tube 4 to heat the heat-not-burn product 3 to generate an aerosol for the user to inhale. The present invention realizes the heating of the heat-not-burn product 3 by the heater 2 to generate an aerosol for the user to inhale under the condition that the heat-not-burn product 3 does not burn, and realizes good heat insulation and heat preservation through the heat-insulating tube 1, thereby improving the heating efficiency.

[0024] Specifically, the first portion 42 of the first fixed tube 4 is provided with a receiving cavity 12 connected to the insertion port 11, and the receiving cavity 12 is used to receive the heat-not-burn product 3 inserted from the insertion port 11. It is understandable that the electric heating aerosol delivery device of the embodiment of the present invention may also include necessary components such as a battery 10, a button, and a control panel.

[0025] like Figure 2 As shown, the insulated tube 1 of the embodiment of the present invention includes an inner tube 14, an outer tube 15 coaxially arranged with the inner tube 14, and a connecting portion 16 located between the inner tube 14 and the outer tube 15, the air inlet 13 is arranged at the connecting portion 16, and the insertion port 11 is surrounded by the inner tube 14.

[0026] Furthermore, the inner tube 14 and the outer tube 15 are spaced apart to form an air flow channel 5 , and the external air flows through the heater 2 through the air inlet 13 to be heated and the heated air is released through the insertion port 11 .

[0027] Specifically, external air enters the insulation tube 1 through the air inlet 13, passes through the air flow channel 5 and is heated after reaching the heater 2. When the heat-not-burn product 3 is inserted into the accommodating cavity 12 through the insertion port 11, the heated air can heat and bake the heat-not-burn product 3.

[0028] In some embodiments, there are multiple air inlets 13 , and the multiple air inlets 13 are opened on the connecting portion 16 in a ring shape.

[0029] like Figure 1 , Figure 2 and Figure 5 As shown, the connecting portion 16 of the embodiment of the present invention is arranged at a certain distance from the ends of the inner tube 14 and the outer tube 15 to form an air groove 17 between the connecting portion 16, the inner tube 14, the outer tube 15 and the outer shell 9, and the outer shell 9 is provided with an air flow inlet 91, the air groove 17 connects the air flow inlet 91 and the air inlet 13, and the inner tube 14 is surrounded by the air groove 17.

[0030] It is understandable that the air inlet 13 and the air flow inlet 91 can be arranged opposite to each other or staggered.

[0031] It can be understood that since the air groove 17 is arranged around the inner tube 14, and the inner tube 14 is arranged around the insertion port 11, the external cold air enters the air groove 17 and can exchange heat with the inner tube 14, thereby reducing the temperature of the aerosol raw product 3 around the insertion port 11, avoiding the packaging paper from being heated and burned, and having a certain preheating effect on the cold air convected to the heater 2.

[0032] like Figures 1 to 3 As shown, the connection between the first part 42 and the second part 43 of the embodiment of the present invention extends inward to form a partition 41, and the partition 41 includes a flow hole 44 for air flow, and the diameter of the flow hole 44 is less than or equal to the diameter of the heater 2.

[0033] Specifically, the partition 41 can be used to support at least a portion of the heat-not-burn product 3 inserted into the accommodating cavity 12 , so that the heat-not-burn product 3 is always firmly installed in the accommodating cavity 12 .

[0034] Further, the first part 42 is supported and fixed by the inner tube 14, and the first part 42 is formed by the partition 41 extending toward the downstream of the first fixed tube 4, and the first part 42 has a receiving cavity 12 communicating with the insertion port 11 and the flow hole 44, and the receiving cavity 12 is used to accommodate the heat-not-burn product 3 inserted through the insertion port 11. The second part 43 is formed by the partition 41 extending toward the upstream of the first fixed tube 4, and the second part 43 has a fixed cavity 45 communicating with the airflow channel 5 and the flow hole 44, and the fixed cavity 45 is used to install the heater 2. It can be understood that the upstream is the direction of air inlet, and the downstream is the direction of air outlet.

[0035] Please refer to Figure 4 The heater 2 has an air inlet 21, an air outlet 22, and a cavity 23 connecting the air inlet 21 and the air outlet 22. The air outlet 22 connects the flow hole 44 and the cavity 23, and the air inlet 21 connects the air flow channel 5 and the cavity 23.

[0036] It is understandable that the number and arrangement of the air inlet holes 21 and the air outlet holes 22 can be set according to requirements. Figure 2 and Figure 4 As shown in the figure, two air inlets 21 are arranged on the heater 2 in opposite directions. A plurality of air outlets 22 are arranged at intervals on the top of the heater 2. The central axis of the air inlet 21 is not parallel to the central axis of the air outlet 22 in space, that is, the central axis of the air inlet 21 and the central axis of the air outlet 22 are arranged at a certain inclination angle, and the air flow path through the air inlet 21 and the air flow path through the air outlet 22 are not parallel in space. The above arrangement can increase the heat exchange between the external gas and the heater and improve the heating efficiency.

[0037] Please refer to Figure 2 When the diameter of the circulation hole 44 is smaller than the diameter of the heater 2, the heater 2 can abut against the lower surface of the partition 41, and the air heated by the heater 2 can flow into the accommodating cavity 12 through the air outlet 22 and the circulation hole 44, and will not escape from the connection position between the partition 41 and the heater 2, thereby improving the heating efficiency. When the diameter of the circulation hole 44 is equal to the diameter of the heater 2, the heater 2 and the accommodating cavity 12 can be coaxially arranged along the longitudinal axis L of the first fixed tube 4. At this time, the top surface of the heater 2 can be partially inserted into the circulation hole 44, so that the outer wall of the heater 2 and the inner wall of the circulation hole 44 are tightly fitted, which can also prevent the air heated by the heater 2 from escaping from the connection position between the partition 41 and the heater 2.

[0038] Further, in a radial plane perpendicular to the longitudinal axis L of the first fixed tube 4, the radial outer diameter d1 of the heater 2 is smaller than the radial inner diameter d2 of the first part 42. Among them, the radial outer diameter d1 of the heater 2 is less than 7.3 mm. It can be understood that the radial outer diameter d1 of the heater 2 is smaller than the radial inner diameter d2 of the first part 42. At this time, the heating non-combustible product 3 and the heater 2 are separated by the partition 41, so that the heat that the heater 2 needs to conduct to the accommodating cavity 12 first reaches the first part 42 through the partition 41, and then the heat is conducted to the circumference of the accommodating cavity 12 to bake the heating non-combustible product 3. In this way, the heat of the heater 2 can be prevented from being directly conducted to the circumference of the accommodating cavity 12, thereby reducing the heat of the accommodating cavity 12 conducted to the packaging paper of the heating non-combustible product 3, thereby effectively preventing the packaging paper of the heating non-combustible product 3 located in the accommodating cavity 12 from being discolored or burned by high-temperature baking.

[0039] like Figures 1 to 3 As shown, along the longitudinal axis L, the heater 2 and the accommodating chamber 12 have a spacing d3. Furthermore, the distance range of the spacing d3 is 0.5-5 mm. After the heat-not-burn product 3 is inserted into the accommodating chamber 12, it maintains a certain distance from the heater 2 to avoid direct contact and excessive heating. Specifically, in one embodiment, the spacing d3 refers to the distance between the upper surface of the partition 41 used to abut the aerosol product and the upper surface of the heater 2. That is, the partition 41 separates the heat-not-burn product 3 and the heater 2.

[0040] Specifically, the radial outer diameter d4 of the second portion 43 is greater than the radial outer diameter d5 of the first portion 42. In this embodiment, the radial outer diameter d4 of the second portion 43 is greater than the radial outer diameter d5 of the first portion 42, so that a portion of the heat conducted from the heater 2 in the fixed cavity 45 to the first fixed tube 4 is conducted to the first portion 42 through the partition 41 to reach the circumference of the heated non-combustible product 3, and a portion of the heat is conducted to the second portion 43 through the partition 41, and the second portion 43 can preheat the external air entering the airflow channel 5.

[0041] like Figure 2 and Figure 3As shown, the electric heating aerosol delivery device also includes a second fixed tube 6 for fixing the heater 2, and the electric heating aerosol delivery device also includes a third fixed tube 7 and a base 8. The base 8 is blocked at one end of the heat-insulating tube 1 to seal the internal space of the heat-insulating tube 1 so that external gas can enter the interior through the air inlet 13. The bottom of the second fixed tube 6 is installed on the base 8, and the top of the second fixed tube 6 is embedded and accommodated in the second part 43. The third fixed tube 7 is connected between the first fixed tube 4 and the inner tube 14. The third fixed tube 7 is hollow inside, and the accommodating chamber 12 is jointly constituted by the first fixed tube 4 and the third fixed tube 7. In this embodiment, the first fixed tube 4, the second fixed tube 6, and the third fixed tube 7 are coaxially arranged, the top of the second fixed tube 6 is embedded in the fixed cavity 45 and abuts against the partition 41, and the heater 2 is accommodated between the second part 43 and the second fixed tube 6. Further, the side wall of the second fixed tube 6 is provided with a hollow area 61, and the hollow area 61 is connected to the air inlet 21 and the air flow channel 5, and the air in the air flow channel 5 enters the air inlet 21 through the hollow area 61.

[0042] Specifically, the inner wall of the second fixed tube 6 is provided with a limiting portion 62, the heater 2 is fixed by the limiting portion 62 of the second fixed tube 6, and a gap d6 is formed between the heater 2 and the second fixed tube 6. The second fixed tube 6 can reduce the direct conduction of heat from the heater 2 to the second portion 43 through the gap d6, thereby reducing the heat conducted to the first portion 42, and at the same time can keep the heater 2 warm, thereby improving the heating effect of the heater 2.

[0043] like Figure 1 and Figure 4 As indicated by the dotted arrows in the figure, after the external cold air enters the air groove 17 from the air inlet 91 of the outer shell 9, it flows in the air groove 17, and then enters the air flow channel 5 through the air inlet 13 of the connecting portion 16, and enters the interior of the heat-insulating tube 1. In this process, the cold air will first exchange heat with the inner tube 14, and then contact with the tube walls of the third fixed tube 7 and the first fixed tube 4 for heat exchange. When the heat-not-burn product 3 is inserted into the accommodating cavity 12, the temperature of the surrounding area is relatively low, which prevents the packaging paper of the heat-not-burn product 3 from changing color; at the same time, the cold air can be preheated in advance, and the heating efficiency is improved without increasing the power of the heater 2.

[0044] It should be noted that the heater 2 of the embodiment of the present invention is provided with at least one air outlet 22, and the hole radius of the circulation hole 44 is equal to or greater than the hole radius of the air outlet 22. The circulation hole 44 and the air outlet 22 are both circular, and when the circulation hole 44 and the air outlet 22 are arranged relative to each other, since the hole radius of the circulation hole 44 is greater than the hole radius of the air outlet 22, the gas heated in the cavity 23 can all smoothly enter the circulation hole 44 through the air outlet 22 without being blocked. Further, in some embodiments, the circulation hole 44 and the air outlet 22 can be set as one, and the circulation hole 44 and the air outlet 22 are coaxially arranged.

[0045] In another embodiment, the hole radius of the flow hole 44 is equal to or greater than half of the distance d3 between the two farthest outlet holes 22. In this embodiment, the diameter of the flow hole 44 is equal to or greater than the distance between the two farthest outlet holes 22, so that the flow hole 44 can cover all the outlet holes 22, so that the heated gas in the cavity 23 can all smoothly enter the flow hole 44 through the outlet holes 22 without being blocked. In this embodiment, the flow hole 44 and the outlet hole 22 are both circular, and the central axis of the flow hole 44 is arranged parallel to the central axis of the outlet hole 22. On the cross section perpendicular to the central axis of the outlet hole 22, the projections of all the outlet holes 22 are located in the projection area of ​​the flow hole 44.

[0046] like Figure 2 and Figure 4 As shown, the heater 2 includes a heat pipe 24 disposed in the fixed cavity 45, the top of the heat pipe 24 abuts the partition 41, and the radial outer diameter of the heat pipe 24 is smaller than the radial inner diameter d2 of the first portion 42. It can be understood that the radial outer diameter of the heat pipe 24 is the radial outer diameter d1 of the heater 2. The heat pipe 24 directly abuts the partition 41, and the heat-not-burn product 3 and the heat pipe 24 are separated by the partition 41. The radial outer diameter of the heat pipe 24 is smaller than the radial inner diameter d2 of the first portion 42, so that the heat conducted from the heat pipe 24 to the accommodating cavity 12 first reaches the first portion 42 through the partition 41, and then conducts to the circumference of the accommodating cavity 12, which can prevent the heat of the heater 2 from being directly conducted to the circumference of the accommodating cavity 12, thereby reducing the heat conducted from the accommodating cavity 12 to the packaging paper of the heat-not-burn product 3, thereby effectively preventing the packaging paper of the heat-not-burn product 3 from being discolored or burned by high-temperature baking.

[0047] It can be understood that the heating circuit 27 is distributed on the outer periphery of the heat pipe 24 ; or, the heating circuit 27 is arranged inside the heat pipe 24 ; or, the heating circuit 27 is distributed on the inner side of the heat pipe 24 .

[0048] Specifically, the heater 2 further includes an upper substrate 25 and a lower substrate 26, which are arranged in the heat-conducting tube 24 to form a cavity 23, an air inlet 21 is opened on the side wall of the heat-conducting tube 24 and faces the hollow area 61, and an air outlet 22 is opened in the upper substrate 25. Specifically, the upper substrate 25 includes a top plate 251 and an embedded body 252, the top plate 251 is arranged on the top of the heat-conducting tube 24, the top of the heat-conducting tube 24 abuts against the partition 41 through the top plate 251, the radial outer diameter of the top plate 251 is equal to the radial outer diameter of the heat-conducting tube 24, the embedded body 252 is formed by extending the top plate 251 into the heat-conducting tube 24, and the outer wall of the embedded body 252 is in close contact with the inner wall of the heat-conducting tube 24.

[0049] It can be understood that, since the radial outer diameter of the heat pipe 24 is smaller than the radial inner diameter d2 of the first part 42, the radial outer diameter of the top plate 251 is equal to the radial outer diameter of the heat pipe 24, and therefore, the radial outer diameter of the top plate 251 is also smaller than the radial inner diameter d2 of the first part 42. Since the top of the heat pipe 24 abuts against the partition 41 through the top plate 251, and the heated non-combustible product 3 abuts against the upper surface of the partition 41, the heat conducted upward from the heat pipe 24 to the accommodating cavity 12 first reaches the partition 41 through the top plate 251, and then reaches the first part 42 through the partition 41, and then conducts heat to the circumference of the accommodating cavity 12 to bake the heated non-combustible product 3, so that the heat of the heater 2 can be prevented from being directly conducted to the circumference of the accommodating cavity 12, thereby reducing the heat conducted from the accommodating cavity 12 to the packaging paper of the heated non-combustible product 3, and thus effectively preventing the packaging paper of the heated non-combustible product 3 from being discolored or burned by high-temperature baking. Furthermore, the embedding body 252 is extended from the top plate 251 into the heat pipe 24, and the outer wall of the embedding body 252 is in close contact with the inner wall of the heat pipe 24. Therefore, the heat transferred upward from the heat pipe 24 to the top plate 251 will be transferred downward through the embedding body 252, and then used to heat the air in the cavity 23. In this way, while reducing the heat transferred upward to the terminal periphery of the accommodating cavity 12, the heating effect of the cavity 23 on the air is further improved.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrically heated aerosol delivery device, comprising an outer shell and a heater installed in the outer shell, characterized in that: The electrically heated aerosol delivery device further comprises an insulated tube installed in the outer shell, and a first fixed tube supported and fixed in the insulated tube, wherein the first fixed tube comprises a first portion and a second portion communicating with the first portion, wherein the first portion is used to accommodate at least a portion of the heat-not-burn product, and the second portion is used to support the heater; The heat-insulating tube is provided with an insertion port for inserting the non-combustible heating product and an air inlet surrounding the outer peripheral side of the insertion port, and the external air flows through the air inlet to the heater to increase its temperature.

2. The electrically heated aerosol delivery device according to claim 1, characterized in that: The heat insulation tube includes an inner tube, an outer tube coaxially arranged with the inner tube, and a connecting portion located between the inner tube and the outer tube, the air inlet is arranged at the connecting portion, and the insertion port is surrounded by the inner tube.

3. The electrically heated aerosol delivery device according to claim 2, characterized in that: A gap is provided between the inner tube and the outer tube to form an air flow channel. External gas flows through the heater through the air inlet to be heated and the heated gas is released through the insertion port.

4. The electrically heated aerosol delivery device according to claim 3, characterized in that: The connection between the first part and the second part extends inwardly to form a partition, and the partition includes a flow hole for air flow, and the diameter of the flow hole is less than or equal to the diameter of the heater.

5. The electrically heated aerosol delivery device according to claim 4, characterized in that: The first part is supported and fixed by the inner tube, and the first part is formed by the partition extending toward the downstream of the first fixed tube. The first part has a accommodating cavity connecting the insertion port and the flow hole, and the accommodating cavity is used to accommodate the heat-not-burn product inserted through the insertion port.

6. The electrically heated aerosol delivery device according to claim 4, characterized in that: The second portion is formed by extending the partition toward the upstream of the first fixed pipe, and the second portion has a fixed cavity communicating with the air flow channel and the flow hole, and the fixed cavity is used for installing the heater.

7. The electrically heated aerosol delivery device according to claim 6, characterized in that: The heater has an air inlet, an air outlet, and a cavity connecting the air inlet and the air outlet, the air outlet connects the flow hole and the cavity, and the air inlet connects the air flow channel and the cavity.

8. The electrically heated aerosol delivery device according to claim 7, characterized in that: The hole radius of the flow hole is equal to or greater than the hole radius of the air outlet hole, or the hole radius of the flow hole is equal to or greater than half of the distance between two air outlet holes farthest from each other.

9. The electrically heated aerosol delivery device according to claim 4, characterized in that: The electrically heated aerosol delivery device further comprises a second fixed tube, which is embedded and contained in the second part, the second fixed tube is connected to the flow hole and the airflow channel, and the heater is contained between the second part and the second fixed tube.

10. The electrically heated aerosol delivery device according to claim 9, characterized in that: The inner side wall of the second fixed tube is provided with a limiting portion, the heater is fixed by the limiting portion of the second fixed tube, and a gap is formed between the heater and the second fixed tube.

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