Heating appliance and tobacco product
By employing a dual heating method in the heating appliance, with the inner and outer heating elements conducting to each other, the problems of uneven heating and sticking of tobacco inside and outside are solved, resulting in better tobacco heating effect and user experience.
Patent Information
- Application Number
- CN202422287200.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-09-19
AI Technical Summary
In existing heated tobacco products, there are problems such as uneven heating inside and outside the tobacco and tobacco sticking caused by the central heating element.
It adopts a dual heating method: the first heating element heats the tobacco from the inside, and the second heating element heats it from the outside. The temperature of the inner and outer heating elements is conducted to each other to achieve uniform heating of the tobacco inside and out, and the air hole design reduces adhesion.
It improves the problem of uneven heating inside and outside the tobacco, enhances the full heating effect of the tobacco and the user experience, and reduces the phenomenon of tobacco sticking and falling off.
Smart Images

Figure CN223568717U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the tobacco technical field more particularly, relate to a kind of heating appliance and non-combustion tobacco. BACKGROUND
[0002] Heating non-combustion tobacco product and its smoking set technology develop rapidly in recent years, and the heating mode of non-combustion tobacco heating appliance includes center heating and peripheral heating, center heating is heated by built-in center heating element in electric heating appliance, and the heating element is generally in sheet, needle, cylindrical and other specifications, the tobacco is baked from the inside of cigarette by heating element, and heat diffuses from the inside of cigarette to the outside, since single center heating element is used, its temperature is difficult to conduct to the peripheral tobacco away from heating element, resulting in uneven temperature inside and outside tobacco, which is not conducive to the full heating of tobacco.
[0003] The cylindrical heating element of peripheral heating is wrapped around the tobacco from the outside of tobacco, and since heat diffuses from the outside of tobacco to the inside, when the heat of peripheral heating is more, it is easy to over-bake tobacco, causing the phenomenon of local charring of tobacco.
[0004] Therefore, how to improve the problem of uneven heating of tobacco inside and outside becomes a technical problem to be solved by the technical personnel in the field. UTILITY MODEL CONTENT
[0005] Therefore, the purpose of the utility model is to provide a kind of heating appliance to improve the problem of uneven heating of tobacco inside and outside.
[0006] Another core of the utility model is to disclose a kind of tobacco product comprising the heating appliance.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0008] A kind of heating appliance, comprising:
[0009] First heating element;
[0010] Cup, cup includes the containing cavity capable of containing tobacco, first heating element is set in containing cavity, and the first part of tobacco is inserted on first heating element;
[0011] Second heating element, second heating element is set on the inner wall of cup, for heating the second part of tobacco or tobacco, and the tobacco includes first part and second part;
[0012] Power supply, first heating element and second heating element are electrically connected with power supply.
[0013] Optionally, in the above-mentioned heating appliance, cup is the cylindrical structure with one end closed and the other end open, and first heating element is set in the closed end of cup.
[0014] Optionally, in the heating appliance, the first heating element is in a conical structure, and a tip of the first heating element faces away from the closed end of the tobacco cup.
[0015] Optionally, in the heating appliance, the first heating element is in a hollow structure, and a plurality of air holes are formed in the first heating element, the tobacco cup is provided with an outer shell, the outer shell is provided with an air inlet channel, one end of the air inlet channel is communicated with the atmosphere, and the other end of the air inlet channel is communicated with the air holes.
[0016] Optionally, in the heating appliance, the plurality of air holes extend from a large end of the first heating element to a tip of the first heating element to form an air hole unit, a plurality of air hole units are included, and the plurality of air hole units are arranged in a circumferential direction of the first heating element.
[0017] Optionally, in the heating appliance, a length of the first heating element is 1 / 3-1 / 2 of a length of the tobacco.
[0018] Optionally, in the heating appliance, a surface of the first heating element is coated with a resistance layer or infrared heating material.
[0019] A surface of the second heating element is coated with a resistance layer or infrared heating material, and the tobacco cup is provided with a temperature measurement assembly.
[0020] Optionally, in the heating appliance, the first heating element and the tobacco cup are in an integrated structure or a split structure.
[0021] Optionally, in the heating appliance, the first heating element and the second heating element are both made of a magnetic material, the outer shell is provided with a magnetic field transmitter, and the magnetic field transmitter is connected with the power supply.
[0022] A tobacco product includes a cigarette filter, tobacco, and a heating appliance, the tobacco is arranged in the heating appliance, the cigarette filter is arranged at one end of the tobacco, and the heating appliance is the heating appliance described above.
[0023] As can be seen from the above technical solutions, the heating appliance disclosed in the embodiments of the present application can heat the tobacco from the inside of the tobacco to heat a first part of the tobacco, and the heat spreads from the inside to the outside; the second heating element can heat the tobacco from the outside to heat a second part of the tobacco or the entire tobacco, and the heat spreads from the outside to the inside, the temperatures of the first heating element and the second heating element can be conducted to each other, the problem of uneven heating of the tobacco inside and outside can be improved, the tobacco can be heated more uniformly inside and outside, the tobacco can be heated more fully, the smoking effect is better, and the use experience of the user can be improved.
[0024] The tobacco product disclosed in the embodiments of the present application is simple in structure, convenient to use, can realize uniform heating of the tobacco inside and outside, and can improve the use experience of the user. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0026] Figure 1 A cross-sectional view of the heating appliance disclosed in the embodiments of the present application is shown in the figure.
[0027] Figure 2 A perspective view of the heating appliance disclosed in the embodiments of the present application is shown in the figure.
[0028] Figure 3 A cross-sectional view of the heating appliance disclosed in the embodiments of the present application is shown in the figure.
[0029] In the figure, 10 is a first heating element, 11 is an air hole, 20 is a tobacco cup, 30 is a second heating element, 40 is a power supply, 50 is an outer shell, and 51 is an air inlet channel.
[0030] 100 is tobacco, 200 is a filter of a cigarette, 210 is a support section, 220 is a cooling section, and 230 is a filtering section. DETAILED DESCRIPTION
[0031] In addition to the problems mentioned in the background, there are also the following problems: the non-combustion tobacco heating appliance adopts a central heating mode, and the tobacco is prone to be adhered to the central heating element during baking, so that the tobacco is prone to be scattered in the tobacco appliance when being pulled out, and the tobacco is prone to be dropped, and there are problems of difficult extraction of the tobacco and inconvenience of cleaning.
[0032] The core of the present application is to disclose a heating appliance to improve the problem of uneven heating of tobacco inside and outside.
[0033] Another core of the present application is to disclose a tobacco product comprising the above-mentioned heating appliance.
[0034] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and 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.
[0035] As Figure 1As shown, this utility model discloses a heating device for heating non-combustible tobacco, which will be referred to as tobacco 100 for ease of explanation. It includes a first heating element 10, a tobacco cup 20, a second heating element 30, and a power supply 40.
[0036] The tobacco cup 20 includes a cavity for accommodating tobacco 100, which includes, but is not limited to, tobacco leaves, tobacco particles, tobacco extracts, etc. The first heating element 10 and the second heating element 30 are both electrically connected to the power supply 40.
[0037] The tobacco 100 includes a first part and a second part. A first heating element 10 is disposed within a receiving cavity. The first part of the tobacco 100 is inserted into the first heating element 10, meaning the first heating element 10 heats the first part of the tobacco 100 from the inside, with heat diffusing from the inside out. A second heating element 30 is disposed on the inner wall of the tobacco cup 20, heating the second part of the tobacco 100 or the entire tobacco 100. The second heating element 30 wraps around the tobacco 100 from the outside, with heat diffusing from the outside in. It should be noted that the second heating element 20 can be a one-piece structure, arranged in a ring on the inner wall of the tobacco cup 20, covering the outer periphery of the tobacco 100, or it can be two semi-annular separate structures, symmetrically disposed on both sides of the inner wall of the tobacco cup 20, to heat the tobacco 100 or the second part of the tobacco 100.
[0038] The tobacco cup 20 is made of a heat-conducting material, allowing the temperatures of the first heating element 10 and the second heating element 30 to be mutually conducted, thus ensuring more thorough heating of the tobacco and improving the problem of uneven heating inside and outside the tobacco 100. It should be noted that the heating process of the first heating element 10 and the second heating element 20 can be controlled as a whole or separately.
[0039] The heating device disclosed in this embodiment of the utility model has a first heating element 10 that heats the tobacco 100 from the inside, heating the first part of the tobacco 100, and a second heating element 30 that heats the tobacco 100 from the outside, heating the entire tobacco 100 or the second part of the tobacco 100. The temperatures of the first heating element 10 and the second heating element 30 can be mutually conducted, which can improve the problem of uneven heating inside and outside the tobacco 100, better achieve uniform heating inside and outside the tobacco 100, make the tobacco 100 more fully heated, and improve the smoking effect, thereby improving the user experience.
[0040] like Figure 2 As shown, in the heating device disclosed in this embodiment of the present invention, the tobacco cup 20 is a cylindrical structure with one end closed and the other end open. The first heating element 10 is disposed at the closed end of the tobacco cup 20. The tobacco 100 is inserted into the tobacco cup 20 from the open end, and the first part is inserted into the first heating element 10.
[0041] In some specific embodiments, to facilitate the insertion of tobacco 100 into the first heating element 10, the first heating element 10 has a conical structure, with its tip facing away from the closed end of the tobacco cup 20. The conical structure facilitates the insertion of the first heating element 10 into the tobacco 100 with low resistance, and also improves the problem of tobacco shreds sticking to the first heating element 10 in conventional center heating methods, reducing the amount of tobacco shreds falling into the tobacco cup 20 when the tobacco 100 is removed. In other specific embodiments, the first heating element 10 may also have a cylindrical bottom (referring to the first end connected to the closed end of the tobacco cup 20) and a pointed top (referring to the second end away from the closed end of the tobacco cup 20).
[0042] like Figure 1 As shown, to improve air intake, in some specific embodiments, the first heating element 10 is designed as a hollow structure with multiple air holes 11. These air holes 11 can be in a honeycomb structure, or a shell 50 can be provided on the outside of the tobacco cup 20. An air intake channel 51 is provided on the shell 50, with one end connected to the atmosphere and the other end connected to the air holes 11. When a user smokes the tobacco product, external airflow sequentially enters the receiving cavity of the tobacco cup 20 through the air intake channel 51 and the air holes 11, and exits from the opening end of the tobacco cup 20 for the user to inhale. Furthermore, this arrangement can improve the adhesion between the tobacco 100 and the first heating element 10, reducing the occurrence of the tobacco 100 sticking to the first heating element 10 when it is pulled out.
[0043] like Figure 2 As shown, in some specific embodiments, multiple air holes 11 extend from the large end of the first heating element 10 to the tip of the first heating element 10 to form an air hole unit. The air hole unit includes multiple units, and the multiple air hole units are arranged circumferentially along the first heating element 10. The number of air hole units shown in the figure is four. This arrangement can increase the flow rate of external air and improve the user experience.
[0044] In order to reduce the resistance when the tobacco 100 is inserted into the first heating element 10, the heating appliance disclosed in the embodiment of the utility model, the length of the first heating element 10 is 1 / 3-1 / 2 of the length of the tobacco 100, preferably 1 / 2 of the length of the tobacco 100, and the length of the second heating element 30 is preferably 1 / 2 of the length of the tobacco 100, so that the second part (the upper half) of the tobacco 100 is heated from the outside by the second heating element 30, and the first part (the lower half) of the tobacco 100 is heated from the inside by the first heating element 10, which cooperates to achieve uniform heating of the tobacco 100. At the same time, this scheme can reduce the adhesion between the tobacco 100 and the first heating element 10 when the tobacco 100 is taken out, and can effectively improve the situation that the tobacco 100 falls off when the tobacco 100 is taken out.
[0045] In some specific embodiments, the first heating element 10 can be coated with a resistance heating layer on the surface, and correspondingly, the second heating element 30 can be formed by coating a resistance heating layer on the surface of the tobacco cup 20. The resistance heating layer is heated after being powered on to heat the tobacco 100. This scheme has a simple structure and high heating efficiency.
[0046] In some specific embodiments, the first heating element 10 can be provided with a resistance heating wire inside, and correspondingly, the second heating element 30 can be formed by providing a resistance heating wire inside the tobacco cup 20. The resistance heating wire is heated after being powered on to heat the tobacco 100. This scheme has a simple structure.
[0047] In some specific embodiments, the first heating element 10 can be coated with an infrared heating material on the surface, and correspondingly, the second heating element 30 can be formed by coating an infrared heating material on the inner wall of the tobacco cup 20. The first heating element 10 and the second heating element 30 are powered on to heat the tobacco 100 in the form of infrared radiation heating. This way can heat inside and outside at the same time, so that the heating is uniform, the temperature control is easy, the temperature rises quickly, and the safety is high.
[0048] In the above two schemes, the heating appliance further comprises a temperature measuring assembly and a controller. The temperature measuring assembly can be arranged inside or on the inner wall of the tobacco cup 20, can detect the heating temperature inside the tobacco cup 20 in real time, and then transmit the measured temperature to the controller. The controller adjusts the heating temperature of the first heating element 10 and the second heating element 30 according to the measured temperature value, so that the temperature control is more accurate, and the occurrence of tobacco 100 burning phenomenon can be reduced.
[0049] The heating appliance disclosed in the embodiment of the utility model, the first heating element 10 and the tobacco cup 20 can be an integrated structure, or can be a split structure, which is not limited here, and is preferably an integrated structure. This way has a stable structure and is convenient for production and assembly.
[0050] In some specific embodiments of the present application, the first heating element 10 and the second heating element 30 are both made of magnetic material, and a magnetic field transmitter is arranged in the shell 50, and the magnetic field transmitter is connected with the power supply 40. The magnetic field transmitter generates an alternating magnetic field after being powered on, and the first heating element 10 and the second heating element 30 generate induced electromotive force in the changing magnetic field to generate induced current, and then generate heat, and the heat is conducted to the tobacco 100 to heat the tobacco 100. In this scheme, the heating appliance includes a controller, a temperature sensor can be arranged inside the tobacco cup 20 to measure the temperature inside the tobacco cup 20 and feed back to the controller, and the controller adjusts the alternating magnetic field generated by the magnetic field transmitter according to the temperature fed back by the temperature sensor, and then adjusts the heating temperature.
[0051] In addition, as shown in Figure 1 The present application discloses a tobacco product, which comprises a cigarette filter 200, tobacco 100 and a heating appliance, wherein the tobacco 100 is arranged in the heating appliance, the cigarette filter 200 is arranged at one end of the tobacco 100, the cigarette filter 200 is divided into three sections, and from bottom to top in the figure, they are a supporting section 210, a cooling section 220 and a filtering section 230, which are respectively used for supporting the tobacco 100, cooling and filtering smoke, and the heating appliance is the heating appliance of the above embodiment. The tobacco product disclosed by the present application has the advantages of simple structure, convenient use, uniform heating of the tobacco 100 from inside and outside, and improved user experience.
[0052] It should be noted that each of the embodiments in the present application is described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts of each embodiment can be referred to each other.
[0053] As shown in the present application and claims, unless the context clearly indicates otherwise, "one", "a", "an" and / or "the" do not refer to the singular, but also include the plural. Generally speaking, the terms "comprise" and "include" only indicate the inclusion of the steps and elements explicitly identified, and these steps and elements do not constitute an exclusive list, and the method or device can also include other steps or elements. The element defined by the statement "comprises a" does not exclude the presence of another same element in the process, method, product or device comprising the element.
[0054] Hereinafter, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features.
[0055] The principle and implementation mode of the present application are described by using specific examples in the present application, and the above examples are only used for helping to understand the core idea of the present application. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application, and these improvements and modifications also fall within the protection scope of the present application.
Claims
1. A heating appliance for heating tobacco (100), characterized in that, The utility model relates to a heating device for tobacco, comprising: a first heating element (10); a tobacco cup (20) comprising a containing cavity capable of containing the tobacco (100), the first heating element (10) being arranged in the containing cavity, a first part of the tobacco (100) being inserted on the first heating element (10); the tobacco cup (20) is a cylindrical structure with one end closed and the other end open, and the first heating element (10) is arranged at the closed end of the tobacco cup (20); a second heating element (30) arranged on the inner wall of the tobacco cup (20) for heating a second part of the tobacco (100) or the tobacco (100), the tobacco (100) comprising a first part and a second part; a power supply (40), the first heating element (10) and the second heating element (30) being electrically connected to the power supply (40).
2. The heating appliance of claim 1, wherein, The first heating element (10) is in a conical structure, and the tip of the first heating element (10) faces away from the closed end of the tobacco cup (20).
3. The heating appliance of claim 2, wherein, The first heating element (10) is in a hollow structure, a plurality of air holes (11) being formed on the first heating element (10), an outer shell (50) being arranged on the outside of the tobacco cup (20), an air inlet channel (51) being arranged on the outer shell (50), one end of the air inlet channel (51) being in communication with the atmosphere, and the other end being in communication with the air holes (11).
4. The heating appliance of claim 3, wherein the heating element is a wire wound around the heating element support. A plurality of the air holes (11) extend along the large end of the first heating element (10) to the tip of the first heating element (10) to form an air hole unit, a plurality of the air hole units are arranged along the circumference of the first heating element (10).
5. The heating appliance of claim 1, wherein, The length of the first heating element (10) is 1 / 3-1 / 2 of the length of the tobacco (100).
6. The heating appliance of claim 1, wherein, The surface of the first heating element (10) is coated with a resistance heating layer, or a resistance heating wire is arranged inside the first heating element (10), or an infrared heating material is coated on the surface of the first heating element (10); The inner wall of the tobacco cup (20) is coated with a resistance heating layer, or a resistance heating wire is arranged inside the tobacco cup (20), or an infrared heating material is coated on the inner wall of the tobacco cup (20) to form the second heating element (30), and a temperature measuring assembly is arranged in the tobacco cup (20).
7. A heating appliance as claimed in any one of claims 1 to 6, wherein, The first heating element (10) and the tobacco cup (20) are in an integrated structure or a split structure.
8. The heating appliance of claim 3, wherein, The first heating element (10) and the second heating element (30) are both made of a magnetic material, a magnetic field transmitter is arranged in the outer shell (50), and the magnetic field transmitter is connected to the power supply (40).
9. A tobacco product comprising a tobacco rod (100), a cigarette filter (200) and a heating appliance, characterized in that, The tobacco (100) is arranged in the heating device, a tobacco filter (200) is arranged at one end of the tobacco (100), and the heating device is the heating device according to any one of claims 1-8.