Center heating type smoking set

Abstract

The utility model discloses a center heating type smoking set, and particularly relates to the technical field of heating cigarettes. The central heating type smoking set comprises a smoking set body and a heating element, the smoking set body is provided with a heating cavity, and the heating element is arranged on the central axis of the heating cavity; the heating element is axially provided with an airflow channel used for introducing air, and the side wall of the heating element is provided with a plurality of air outlets communicated with the airflow channel. By means of the design, smoke around the heating element can be effectively taken away, secondary reaction of the smoke under the heating condition is reduced, therefore, the coking phenomenon is effectively prevented, the adhesion problem between the tobacco sheet and the heating element is solved, and the phenomenon that when a user pulls out a cigarette after smoking is finished, the cigarette is not prone to falling off is further reduced. Therefore, the situation that the tobacco sheets remain in the heating cavity is avoided, and the use experience feeling of a user is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heating cigarette technical field, in particular to a center heating type smoking set. BACKGROUND

[0002] Center heating type smoking set is one of the most popular products in the current heating cigarette market. When in use, the user inserts the cigarette into the smoking set, and the heating element in the smoking set is inserted into the center position of the smoking segment of the cigarette. The heating element can heat the tobacco sheet to release smoke.

[0003] However, during the heating process, due to the fact that part of the smoke cannot be sucked away from the surrounding of the heating element in time, these smoke will continue to react secondarily around the heating element, resulting in the generation of coking phenomenon, which causes the tobacco sheet to adhere to the heating element, further causing the tobacco sheet to be easily left in the heating cavity when the user pulls out the cigarette after smoking, which seriously affects the user's experience. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the purpose of the utility model is to provide a center heating type smoking set, which aims to effectively take away the smoke around the heating element, reduce the secondary reaction of the smoke, and effectively prevent the generation of coking phenomenon and reduce the adhesion problem between the tobacco sheet and the heating element.

[0005] The technical scheme provided by the utility model is as follows:

[0006] A center heating type smoking set, comprising:

[0007] A smoking set body provided with a heating cavity;

[0008] A heating element arranged on the center axis of the heating cavity; the heating element is axially provided with an air flow channel for introducing air, and the side wall is provided with a plurality of air outlet holes communicating with the air flow channel.

[0009] Further, the smoking set body is further provided with an air inlet channel;

[0010] One end of the air inlet channel communicates with the air inlet of the air flow channel, and the other end communicates with the outside.

[0011] Further, the air inlet is arranged at the connection between the bottom end of the heating element and the bottom of the heating cavity.

[0012] Further, the number of air outlet holes is a plurality, and the plurality of air outlet holes are uniformly distributed on the side wall of the heating element.

[0013] Further, a micro pump is arranged in the air inlet channel.

[0014] Further, the micro-pump controls the air flow introduced into the air inlet channel to be in the range of 0.3-2 mL / min.

[0015] Further, the heating element has a shape selected from the group consisting of a cylinder, a cuboid and a cone, or a combination of two or more thereof.

[0016] Further, the ratio between the maximum cross-sectional area of the heating element and the cross-sectional area of the heating cavity is in the range of 0.1-0.4.

[0017] Further, the ratio between the length of the heating element and the height of the heating cavity is in the range of 0.5-0.9.

[0018] Further, the smoking set body is further provided with a power module and a control module, the power module is connected with the control module, and the control module is connected with the heating element.

[0019] Further, the heating element is an electric resistance heating element, or the heating element is made of an infrared heating material.

[0020] A temperature measuring element is arranged near the heating element, and the temperature measuring element is in communication connection with the control module.

[0021] Compared with the prior art, the center heating type smoking set provided by the embodiment of the present application has at least the following technical effects:

[0022] The center heating type smoking set comprises a smoking set body and a heating element, the smoking set body is provided with a heating cavity, the heating element is arranged on the central axis of the heating cavity, the heating element is provided with an air flow channel for introducing air in the axial direction, and the side wall of the heating element is provided with a plurality of air outlet holes in communication with the air flow channel. This design can effectively take away the smoke around the heating element, reduce the secondary reaction of the smoke under the heating condition, effectively prevent the generation of coking phenomenon, alleviate the adhesion problem between the tobacco sheet and the heating element, further reduce the case that the tobacco sheet is left in the heating cavity when the user pulls out the cigarette after smoking, and thus improve the user experience. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0024] Figure 1 FIG. 1 is a structural schematic view of the heating element of the present application;

[0025] Figure 2 Figure 1 is a structural schematic diagram of a central heating type smoking set according to the present application.

[0026] Reference signs:

[0027] 10, smoking set body; 11, heating cavity; 12, air inlet channel; 14, power module; 15, control module; 20, heating element; 21, air flow channel; 211, air inlet; 22, air outlet. DETAILED DESCRIPTION

[0028] In order to make the technical personnel in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0031] In addition, the terms "first", "second", etc. are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly specified.

[0032] It is to be understood that the structure, proportion, size and the like shown in the drawings of the present application are only used to cooperate with the disclosed content, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose of the present application, should still fall within the scope of the disclosed technology.

[0033] Please refer to the accompanying drawings Figure 1 and the drawings Figure 2 The present application provides a central heating type smoking set. The central heating type smoking set comprises a smoking set body 10 and a heating element 20. The smoking set body 10 is provided with a heating cavity 11; the heating element 20 is arranged on the central axis of the heating cavity 11; the axial direction of the heating element 20 is provided with an air flow channel 21 for introducing air, specifically, the central position of the axial direction of the heating element 20 is provided with an air flow channel 21 for introducing air; the side wall of the heating element 20 is provided with a plurality of air outlets 22 communicated with the air flow channel 21, the number of the air outlets 22 can be one or more, which is not specifically limited herein. In a specific embodiment, the heating element 20 is a needle type heating element, the tail part of which is connected with the bottom of the heating cavity 11, and the needle tip part faces the insertion direction of the cigarette, so as to facilitate the smooth insertion of the needle type heating element into the cigarette.

[0034] During the heating process, due to the high temperature of the smoking segment of the cigarette, the gas expands to form a low pressure area under heating, so that the external air flows from the air outlet 22 along the air flow channel 21 to the smoking segment of the cigarette, and during the smoking process, the air can be continuously introduced, which can effectively carry away the smoke around the heating element 20, reduce the secondary reaction of the smoke under heating conditions, thereby effectively preventing the generation of coking phenomenon and reducing the adhesion problem between the tobacco sheet and the heating element 20. In addition, the introduced air can form an oxidizing atmosphere around the heating element 20, which helps to oxidize the coking precursors generated in the secondary reaction, further reducing the adhesion problem between the tobacco sheet and the heating element 20.

[0035] In this embodiment, the center heating type smoking set comprises a smoking set body 10 and a heating element 20. The smoking set body 10 is provided with a heating cavity 11, and the heating element 20 is arranged on the central axis of the heating cavity 11. The axial direction of the heating element 20 is provided with an air flow channel 21 for introducing air, and the side wall of the heating element 20 is provided with a plurality of air outlet holes 22 communicating with the air flow channel 21. This design can effectively take away the smoke around the heating element 20, reduce the secondary reaction of the smoke under the heating condition, thereby effectively preventing the occurrence of coking phenomenon, reducing the adhesion problem between the tobacco sheet and the heating element 20, further reducing the case that the tobacco sheet is left in the heating cavity 11 when the user pulls out the cigarette after smoking, thereby improving the user's experience.

[0036] In some optional embodiments, the smoking set body 10 is further provided with an air inlet channel 12. One end of the air inlet channel 12 communicates with the air inlet 211 of the air flow channel 21, and the other end communicates with the outside. In a specific embodiment, one end of the air inlet channel 12 is an outlet, which communicates with the air inlet 211 of the air flow channel 21, and the other end is an inlet, which is arranged on the side wall surface of the smoking set body 10 and communicates with the outside.

[0037] In some optional embodiments, the air inlet 211 is arranged at the connection between the bottom end of the heating element 20 and the bottom of the heating cavity 11.

[0038] In some optional embodiments, the number of air outlet holes 22 is multiple, and the multiple air outlet holes 22 are uniformly distributed on the side wall of the heating element 20.

[0039] In some optional embodiments, a micro pump is arranged in the air inlet channel 12. The micro pump is used to enhance the flow of air and can adjust the air flow introduced into the air inlet channel 12.

[0040] In some optional embodiments, the range of the air flow introduced into the air inlet channel 12 controlled by the micro pump is 0.3-2 mL / min.

[0041] In some optional embodiments, the shape of the heating element 20 is any one or a combination of a cylindrical shape, a cuboid shape and a conical shape. In a specific embodiment, the shape of the heating element 20 is a combination of a cylindrical shape and a conical shape, which is composed of a cylinder and a cone, wherein the diameter of the cylinder and the diameter of the bottom of the cone are the same.

[0042] In some optional embodiments, the ratio between the maximum cross-sectional area of the heating element 20 and the cross-sectional area of the heating cavity 11 is in the range of 0.1-0.4, and the cross-section of the heating cavity 11 is circular. In the embodiment in which the shape of the heating element 20 is a combination of a cylindrical shape and a conical shape, the maximum cross-sectional area of the heating element 20 is the cross-sectional area of the cylinder.

[0043] In some optional embodiments, the ratio between the length of the heating element 20 and the height of the heating cavity 11 ranges from 0.5 to 0.9. The heating element 20 is vertically installed in the heating cavity 11, which means that the length direction of the heating element 20 is consistent with the height direction of the heating cavity 11.

[0044] In some optional embodiments, the smoking set body 10 is further provided with a power module 14 and a control module 15. The power module 14 is connected with the control module 15, and the control module 15 is connected with the heating element 20. The control module 15 can control the power of the heating element 20 by adjusting the output of the power module 14 (such as by PWM modulation or switch control), so as to realize the control of the heating temperature.

[0045] In some optional embodiments, the heating element 20 is a resistance heating element. The resistance heating element realizes heating through the heat generated by the current flowing through the conductor. The resistance heating element has the advantages of simple structure and rapid response, and can reach the required temperature in a short time to ensure that the tobacco sheet can effectively release smoke.

[0046] In some other optional embodiments, the heating element 20 is a heating element made of infrared heating material. The heating element made of infrared heating material can rapidly heat up and emit infrared radiation at low power consumption, thereby providing effective heating effect. Exemplarily, the heating element 20 is a ceramic heating element made of specific ceramic materials (such as silicon nitride or aluminum oxide). These materials will rapidly heat up after being powered on and release heat in the form of infrared radiation.

[0047] In some optional embodiments, a temperature measuring element is arranged near the heating element 20, and the temperature measuring element is in communication connection with the control module 15. The temperature measuring element can be but is not limited to a thermocouple. The temperature measuring element can monitor the temperature around the heating element 20 and transmit the temperature information to the control module 15. The control module 15 can adjust the power of the heating element 20 according to the temperature information, thereby realizing temperature control.

[0048] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A central heating smoking article, characterized by, The utility model relates to a smoking set, which comprises: a smoking set body provided with a heating cavity; a heating element arranged on the central axis of the heating cavity; the heating element is axially provided with an air flow channel for introducing air, and the side wall is provided with a plurality of air outlet holes in communication with the air flow channel.

2. The center-heated smoking set according to claim 1, characterized by The smoking set body is further provided with an air inlet channel; one end of the air inlet channel is in communication with the air inlet of the air flow channel, and the other end is in communication with the outside.

3. The center-heat smoking set according to claim 2, wherein The air inlet is arranged at the junction of the bottom end of the heating element and the bottom of the heating cavity.

4. The center-heat smoking set according to claim 2, wherein The number of air outlet holes is multiple, and the multiple air outlet holes are uniformly distributed on the side wall of the heating element.

5. The center-heat smoking device of claim 2, wherein, A micro pump is arranged in the air inlet channel.

6. The center-heat smoking set according to claim 5, wherein The micro pump controls the air flow range introduced into the air inlet channel to be 0.3-2 mL / min.

7. The center-heat smoking device of claim 1, wherein The shape of the heating element is any one or a combination of multiple of a cylindrical shape, a cuboid shape and a conical shape.

8. The center-heat smoking device of claim 1, wherein, The ratio between the maximum cross-sectional area of the heating element and the cross-sectional area of the heating cavity ranges from 0.1 to 0.4; and / or, the ratio between the length of the heating element and the height of the heating cavity ranges from 0.5 to 0.

9.

9. The center-heat pipe smoking set according to claim 1, characterized in that, The smoking set body is further provided with a power module and a control module, the power module is connected with the control module, and the control module is connected with the heating element.

10. The center-heat smoking device of claim 9, wherein, The heating element is a resistance heating element, or the heating element is made of infrared heating material; A temperature measuring element is arranged near the heating element, and the temperature measuring element is in communication connection with the control module.

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