A heating module and an electronic cigarette device

Abstract

This application provides a heating module and an electronic cigarette device, relating to the technical field of electronic cigarette devices. The heating module includes a heating element, an insulating element, and a pin assembly. The heating element forms a heating channel for heating the cigarette. The insulating element is sleeved on the outside of the heating element and has a connecting hole that communicates with the heating element. The pin assembly includes a plurality of pins, at least one of which is at least partially located outside the insulating element and passes through the connecting hole to connect with the heating element. Corresponding to the solution of this application, on the one hand, space can be provided for the heating wire, improving the uniformity of heating; on the other hand, when heating of certain areas is not required, since the pin is at least partially located outside the insulating element, the heat emitted by the pin can be isolated by the insulating element when conducting electricity, reducing heat transfer to the heating channel and thus avoiding heating of certain areas.

Description

Technical Field

[0001] This application relates to the technical field of electronic cigarette devices, specifically to a heating module and an electronic cigarette device. Background Technology

[0002] Current electronic cigarette devices, especially those using peripheral heating (heat-not-burn), typically have a heating circuit on the outer periphery of the heating channel for heating the cigarette. This heating circuit usually has pins that connect to other electrical components. The heat output of these pins is inconsistent with that of other parts of the heating circuit. The heat output at the pins is low, resulting in uneven temperature distribution within the heating channel. This can lead to localized temperatures that are too low to fully heat the cigarette, resulting in insufficient smoke release, or localized temperatures that are too high and scorch the cigarette. Utility Model Content

[0003] This application provides a heating module and an electronic cigarette device, which aims to improve the uniformity of heating the cigarette stick by the electronic cigarette device.

[0004] On one hand, embodiments of this application provide a heating module, including:

[0005] A heating element having a heating channel for heating the cigarette;

[0006] An isolation member is sleeved on the outside of the heating element, and the isolation member has a communicating hole that communicates with the heating element; and,

[0007] The pin assembly includes a plurality of pins, at least one of which is at least partially located outside the isolator and connected to the heating element through the communication hole.

[0008] In some embodiments, the heating element includes a first heating section and a second heating section connected to each other, wherein the first heating section and the second heating section are at least partially spaced apart to heat different areas of the cigarette.

[0009] In some embodiments, the plurality of pins include a common pin, which is at least partially located outside the isolator and connected through the communication hole to the connection between the first heating element and the second heating element.

[0010] In some embodiments, the first heating element is located above the second heating element;

[0011] The plurality of pins include a second pin connected to the second heating element, wherein the second pin extends toward a direction away from the first heating element and is integrally formed with the heating element.

[0012] In some embodiments, several of the pins are at least partially located outside the isolator and connected to the heating element through the communication hole.

[0013] In some embodiments, the first heating element and the second heating element are symmetrically arranged in the vertical direction.

[0014] In some embodiments, the first heating element and the second heating element are arranged to heat alternately.

[0015] In some embodiments, along the thickness direction of the heating element, the portion of the pin located outside the insulating element is at least partially overlapped with the heating element.

[0016] In some embodiments, the insulating member includes a PI film wound around the heating element, and the insulating member includes at least three layers of the PI film along the thickness direction of the heating element.

[0017] On the other hand, embodiments of this application provide an electronic cigarette device, including any of the heating modules described above.

[0018] In the solution of this application, by having at least one of the pins located at least partially outside the isolator and connected to the heating element through the connecting hole, space can be made to install the heating wire, improving the uniformity of heating. On the other hand, when it is not necessary to heat certain areas, since the pin is at least partially outside the isolator, the heat emitted by the pin can be isolated by the isolator when conducting electricity, reducing its heat transfer to the heating channel, thereby avoiding heating certain areas. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the heating module provided in the first embodiment of this application before assembly;

[0021] Figure 2 yes Figure 1 A picture of the heating module after it has been rolled up;

[0022] Figure 3 yes Figure 2 The image shows the heating module after the pins have been assembled.

[0023] Figure 4This is a schematic diagram of the structure of the heating element provided in the second embodiment of this application;

[0024] Figure 5 This is a schematic diagram of the heating module provided in the second embodiment of this application;

[0025] Figure 6 This is a schematic diagram of the heating element provided in the third embodiment of this application;

[0026] Figure 7 This is a schematic diagram of the heating module provided in the third embodiment of this application.

[0027] Explanation of key component symbols:

[0028] 100 Heating module 10 heating element 20 Isolation component 31 First pin 32 Second pin 33 common pin 21 Connecting hole 11 First heating section 12 Second heating section Detailed Implementation

[0029] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0031] "A and / or B" includes the following three combinations: A only, B only, and a combination of A and B.

[0032] The use of "applies to" or "configured to" in this application implies open and inclusive language, which does not exclude the applicability to or configuration to devices performing additional tasks or steps. Additionally, the use of "based on" implies openness and inclusivity, because processes, steps, calculations, or other actions "based on" one or more of the stated conditions or values ​​may in practice be based on additional conditions or values ​​beyond those stated.

[0033] In this application, the term "exemplary" is used to mean "used as an example, illustration, or description." Any embodiment described as "exemplary" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to make and use this application. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that this application can be made without using these specific details. In other instances, well-known structures and processes are not described in detail to avoid obscuring the description of this application with unnecessary detail. Therefore, this application is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.

[0034] Current electronic cigarette devices, especially those using peripheral heating (heat-not-burn), typically have a heating circuit on the outer periphery of the heating channel for heating the cigarette. This heating circuit usually has pins that connect to other electrical components. The heat output of these pins is inconsistent with that of other parts of the heating circuit. The heat output at the pins is low, resulting in uneven temperature distribution within the heating channel. This can lead to localized temperatures that are too low to fully heat the cigarette, resulting in insufficient smoke release, or localized temperatures that are too high and scorch the cigarette.

[0035] For this, please refer to Figures 1 to 7 Some embodiments of this application provide a heating module 100, including a heating element 10, an isolator 20, and a pin assembly. The heating element 10 forms a heating channel for heating a cigarette. The isolator 20 is sleeved on the outside of the heating element 10, and the isolator 20 has a connecting hole 21 that communicates with the heating element 10. The pin assembly includes a plurality of pins, at least one of which is at least partially located on the outside of the isolator 20 and passes through the connecting hole 21 to connect with the heating element 10.

[0036] It should be noted that the specific implementation of the heating element 10 is not limited. It can be a carbon fiber heating plate, a graphene heating plate, or an electric heating mesh. Specifically, the electric heating mesh can be composed of multiple heating wires and pins connecting the multiple heating wires, etc., and is not limited here.

[0037] The specific implementation of the insulating component 20 is not limited, as long as it possesses superior insulation and heat insulation properties. It can be made of PI film (polyimide film), which has good thermal conductivity, insulation, adhesion, and radiation resistance, allowing for long-term use within the heating temperature range of the smoking device. It can also be made of aerogel components, etc., and is not limited here. The insulating component 20... Figures 1 to 7 In the middle, it is set to transparent, so it is not easily observed in some images.

[0038] The pin assembly may include only one pin or multiple pins, such as two, three, four, etc., without limitation. When the pin assembly includes multiple pins, only a portion of the pins may be located at least partially outside the isolator 20 and connected to the heating element 10 through the connecting hole 21, or all the pins may be located at least partially outside the isolator 20 and connected to the heating element 10 through the connecting hole 21, without limitation.

[0039] In the solution of this application, by having at least one of the pins located at least partially outside the isolator 20 and connected to the heating element 10 through the connecting hole 21, space can be made to install the heating wire, improving the uniformity of heating. On the other hand, when it is not necessary to heat certain areas, since the pin is at least partially outside the isolator 20, the heat emitted by the pin can be isolated by the isolator 20 when conducting electricity, reducing its heat transfer to the heating channel, thereby avoiding heating certain areas.

[0040] Specifically, in some embodiments, because the heating element 10 has both heating and temperature control functions, the material selection for the heating element 10 needs to consider both the design requirements of the heating circuit and the temperature control design requirements. The temperature control circuit of the heating element 10 needs to utilize the temperature coefficient of resistance (TCR) of the metal to detect changes in the metal's resistance and thus control the temperature. Therefore, the material selected for the heating element 10 must have a relatively large TCR. Its TCR needs to be ≥1000 at 20℃. Commonly selected materials include: nickel-chromium alloy, nickel-iron alloy, stainless steel, iron-chromium-aluminum, titanium, and nickel.

[0041] The heating element 10 can be heated simultaneously as a whole, or it can be heated in sections, etc., and there is no limitation here.

[0042] In some embodiments, the heating element 10 includes a first heating part 11 and a second heating part 12 connected to each other, wherein the first heating part 11 and the second heating part 12 are at least partially spaced apart to heat different areas of the cigarette.

[0043] It should be noted that the first heating part 11 and the second heating part 12 are interconnected, so that electrical connection between the two can be achieved through the connection point. Compared with the scheme of setting electrical connectors or pins for the first heating part 11 and the second heating part 12 respectively, pins can be set directly at the connection point of the two, thereby achieving shared pins, reducing the amount of electrical connectors or pins used, and reducing costs.

[0044] In the scheme of this application, the heating element 10 includes a first heating part 11 and a second heating part 12 connected to each other. The first heating part 11 and the second heating part 12 are at least partially spaced apart, so that the first heating part 11 and / or the second heating part 12 can be controlled to perform zoned or overall heating according to actual needs, allowing the heating module 100 to have more heating modes. Furthermore, since some pins are at least partially located outside the isolator 20 and connected to the heating element 10 through the connecting hole 21, the first heating part 11 and / or the second heating part 12 can now use the space originally occupied by the pins to house the heating wire, thereby allowing the heating wire to be more evenly distributed around the periphery of the heating channel, improving the uniformity of heating the cigarette.

[0045] In some embodiments, the plurality of pins include a common pin 33, which is at least partially located outside the isolator 20 and is connected through the communication hole 21 to the connection between the first heating part 11 and the second heating part 12.

[0046] It should be noted that currently, the common pin 33 that simultaneously connects two components generally has the characteristics of large area and low temperature when energized. Therefore, once all the common pins 33 are located inside the isolator 20, on the one hand, in order to avoid the common pins 33, the overall coverage area of ​​the second heating part 12 will be smaller than the coverage area of ​​the first heating part 11. The heating effects of the first heating part 11 and the second heating part 12 are different. The area heated by the second heating part 12 is prone to uneven temperature distribution. On the other hand, when only the first heating part 11 is powered, the common pin 33 will also transmit power. During the transmission process, the part of the common pin 33 located in the second heating part 12 will also generate heat to a certain extent, thereby heating the parts that do not need to be heated.

[0047] In the scheme of this embodiment, by setting the common pin 33, the first heating part 11 and the second heating part 12 can be electrically connected simultaneously through the common pin 33, saving the number of pins. Furthermore, by setting the common pin 33 at least partially on the outside of the isolator 20 and connecting it to the connection between the first heating part 11 and the second heating part 12 through the connecting hole 21, the second heating part 12 no longer needs to avoid the common pin 33, and its area can be made larger, improving its heating uniformity. Moreover, when only one of the heating parts is conductive, the heat emitted by the common pin 33 will not heat the area outside the target heating area in the heating channel.

[0048] In some embodiments, the first heating element 11 is located above the second heating element 12; the plurality of pins include a second pin 32 connected to the second heating element 12, wherein the second pin 32 extends toward a direction away from the first heating element 11 and is integrally disposed with the heating element 10.

[0049] It should be noted that the first heating part 11 is located above the second heating part 12. During the preheating stage of the cigarette, only the first heating part 11 can be powered to concentrate energy to prioritize heating the area near the cigarette outlet, thereby achieving the purpose of rapid smoke output and reducing the user's waiting time for the first puff. Then, the energy is distributed to another area of ​​the cigarette for heating, that is, the second heating part 12 is powered to ensure that the entire area of ​​the cigarette is heated and the smoke is fully released.

[0050] In the scheme of this embodiment, the second pin 32 extends in a direction away from the first heating part 11. That is, the second pin 32 does not extend into the area where the first heating part 11 is located. Therefore, when only the second heating part 12 is powered, the area covered by the first heating part 11 will not be heated. Thus, the second pin 32 and the heating element 10 can be integrated and then set together on the inner side of the heat insulation element. After that, it is not necessary to install the second pin 32 separately, which simplifies the installation process.

[0051] Of course, in some other embodiments, the second pin 32 may also be located at least partially outside the isolator 20 and connected to the heating element 10 through the communication hole 21, which is not limited here.

[0052] In some embodiments, several of the pins are at least partially located outside the isolator 20 and connected to the heater 10 through the communication hole 21.

[0053] In the scheme of this embodiment, several of the pins are at least partially located on the outside of the isolation member 20, so the space for setting the pins is not needed for the heating member 10. This allows the area of ​​the first heating part 11 and the second heating part 12 to be larger, resulting in better heating uniformity. Furthermore, during zone heating, areas outside the target heating area will not be heated, thus achieving control over the heating range.

[0054] Specifically, in the actual assembly process, the heating element 10 and the isolating element 20 can be assembled together first, and then several pins can be welded or bonded together with the heating element 10.

[0055] In some embodiments, the first heating part 11 and the second heating part 12 are symmetrically arranged in the vertical direction.

[0056] Specifically, the first heating part 11 and the second heating part 12 can be symmetrically arranged along the midline of the heating element 10 in the vertical direction.

[0057] In this embodiment, by setting the first heating part 11 and the second heating part 12 symmetrically, it is convenient for production and processing. On the other hand, the heat generation and heating area of ​​the first heating part 11 and the second heating part 12 can achieve similar effects, thereby improving the temperature uniformity in the heating channel.

[0058] Specifically, taking the pin assembly as an example, the three pins include the common pin 33, the first pin 31 connected to the first heating part 11, and the second pin 32 connected to the second heating part 12. Any one of the three pins may be located at least partially outside the isolator 20 and connected to the heating part 10 through the connecting hole 21. Two of the pins may be located at least partially outside the isolator 20 and connected to the heating part 10 through the connecting hole 21. Alternatively, all three pins may be located at least partially outside the isolator 20 and connected to the heating part 10 through the connecting hole 21. This is not limited here.

[0059] The following are some preferred embodiments provided in this application:

[0060] Please see Figures 1 to 3 Example 1: The first pin 31 and the common pin 33 are at least partially located outside the isolation member 20 and are connected to the heating member 10 through the connecting hole 21. The second pin 32 extends in a direction away from the first heating part 11 and is integrally formed with the heating member 10.

[0061] In the scheme of this embodiment, the second pin 32 extends in a direction away from the first heating part 11. That is, the second pin 32 does not extend into the area where the first heating part 11 is located. Therefore, when only the second heating part 12 is powered, the area covered by the first heating part 11 will not be heated. Thus, the second pin 32 and the heating element 10 can be integrated and then set together on the inner side of the heat insulation element. After that, it is not necessary to install the second pin 32 separately, which simplifies the installation process.

[0062] Please see Figure 4 and Figure 5 Example 2: The common pin 33 is at least partially located outside the isolation member 20 and is connected to the heating member 10 through the connecting hole 21. The second pin 32 and the first pin 31 extend in a direction away from the first heating part 11 and are integrally formed with the heating member 10.

[0063] In this embodiment, by integrating the second pin 32 and the first pin 31 with the heating element 10, the second pin 32 and the first pin 31 can be assembled together with the heating element 10. In the subsequent assembly process, only the common pin 33 needs to be assembled separately, making the assembly process the simplest.

[0064] Please see Figure 6 and Figure 7 Example 3: Several of the pins are at least partially located on the outside of the isolation member 20 and are connected to the heating member 10 through the communication hole 21.

[0065] In this embodiment, at least partially, all the pins are located outside the isolation member 20. Therefore, the heating member 10 does not need to consider space for the pins, allowing for a larger area of ​​the first heating part 11 and the second heating part 12, resulting in better heating uniformity. Furthermore, during zone heating, areas outside the target heating area are not heated, enabling control over the heating range. In addition, the manufacturing of the heating member 10 is extremely simple.

[0066] In one embodiment, the first heating part 11 and the second heating part 12 heat up alternately. With this configuration, only one heating part in the heating module 100 heats up at a time. This allows the power supply of the electronic cigarette device to only supply power to one of the first heating part 11 and the second heating part 12 during the heating process. Correspondingly, the heating power of the first heating part 11 and the second heating part 12 can be made to be the same as or similar to the heating power of the existing whole-section heating part. This allows the heating power that originally heated the whole section to now only heat a local area, greatly improving the smoke generation efficiency of the cigarette.

[0067] In one embodiment, along the thickness direction of the heating element 10, the portion of the pin located outside the isolator 20 is at least partially overlapped with the heating element 10. This arrangement increases the heating area of ​​the heating element 10 and improves the uniformity of heating.

[0068] In one embodiment, the insulating member 20 includes a PI film wound around the heating member 10, and the insulating member 20 includes at least three layers of the PI film along the thickness direction of the heating member 10.

[0069] In the scheme of this embodiment, the PI film can form at least three layers of heat insulation on the outside of the heating element 10 to prevent the heat generated by the heating element 10 from leaking out and reduce heat loss. The PI film has at least three layers. After being wound in multiple layers, the PI film can stand up in its width direction, which is convenient for subsequent assembly. By increasing the thickness of the insulating element 20, the strength of the heating module 100 can also be effectively increased.

[0070] For details, please refer to Figures 1 to 3 , Figure 1 This is a schematic diagram of the heating module 100 provided in the first embodiment of this application before assembly; Figure 2 yes Figure 1 The heating module 100 is shown after rolling; Figure 3 yes Figure 2 The diagram shows the heating module 100 with pins assembled. In actual production, the PI film is wound along the winding direction shown in the diagram. The portion of the PI film located on the left side of the heating element 10 is wound to the inside of the heating element 10, thereby providing uniform heating and insulation protection against the heat generated by the heating element 10. The remaining portion is wound to the outside of the heating element 10, forming the insulating element 20. Figure 2 In the state of the above, the common pin 33 and the first pin 31 are then inserted into the connecting hole 21 and soldered to the heating element to obtain the desired result. Figure 3 The heating module 100 in the middle.

[0071] This application also proposes an electronic cigarette device, including the heating module 100 as described above. The heating module 100 adopts one or all of the technical solutions of the aforementioned embodiments, and thus possesses all or all of the technical advantages of the aforementioned embodiments.

[0072] The heating module and electronic cigarette device provided in the embodiments of this application have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A heating module, characterized in that, include: A heating element having a heating channel for heating the cigarette; An isolation member is sleeved on the outside of the heating element, and the isolation member has a communicating hole that communicates with the heating element; and, The pin assembly includes a plurality of pins, at least one of which is at least partially located outside the isolator and connected to the heating element through the communication hole.

2. The heating module according to claim 1, characterized in that, The heating element includes a first heating section and a second heating section connected to each other, wherein the first heating section and the second heating section are at least partially spaced apart to heat different areas of the cigarette.

3. The heating module according to claim 2, characterized in that, The plurality of said pins includes a common pin, which is at least partially located outside the isolator and connected through the communication hole to the connection between the first heating element and the second heating element.

4. The heating module according to claim 2, characterized in that, The first heating element is located above the second heating element; The plurality of pins include a second pin connected to the second heating element, wherein the second pin extends toward a direction away from the first heating element and is integrally formed with the heating element.

5. The heating module according to claim 2, characterized in that, Several of the pins are at least partially located on the outside of the isolator and are connected to the heating element through the communication hole.

6. The heating module according to claim 5, characterized in that, The first heating element and the second heating element are symmetrically arranged in the vertical direction.

7. The heating module according to claim 2, characterized in that, The first heating section and the second heating section are arranged to heat alternately.

8. The heating module according to claim 1, characterized in that, Along the thickness direction of the heating element, the portion of the pin located outside the insulating element is at least partially overlapped with the heating element.

9. The heating module according to claim 1, characterized in that, The insulating element includes a PI film wound around the heating element, and the insulating element includes at least three layers of the PI film along the thickness direction of the heating element.

10. An electronic cigarette device, characterized in that, Includes the heating module as described in any one of claims 1 to 9.

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