CN214414102U - Heating component for low-temperature cigarette smoking set - Google Patents
Heating component for low-temperature cigarette smoking set Download PDFInfo
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- CN214414102U CN214414102U CN202023162028.5U CN202023162028U CN214414102U CN 214414102 U CN214414102 U CN 214414102U CN 202023162028 U CN202023162028 U CN 202023162028U CN 214414102 U CN214414102 U CN 214414102U
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- smoking article
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Abstract
The utility model discloses a low temperature is heating element for cigarette smoking set, this heating element is including the heating chamber that is used for holding and heating smoking article, be equipped with a plurality of bellyings on the inside wall in heating chamber, adjacent two be formed with the recess between the bellyings, the extending direction of recess with the extending direction in heating chamber is the same, be equipped with heating element in the recess, smoking article insert to in the heating chamber, smoking article's outer wall supports and leans on in the bellyings, and with there is the clearance between the heating element. The application provides a heating element can effectively solve the smoking that the excessive baking of smoking article brought and experience the problem that feels poor.
Description
Technical Field
The utility model belongs to the technical field of smoking articles for use, especially, relate to a low temperature is heating element for cigarette smoking set.
Background
Compared with the traditional cigarette, the heating cigarette smoking device directly heats the tobacco or nicotine product, the heating temperature is between 220 ℃ and 250 ℃, the smoke is gradually volatilized after baking, and harmful smoke components generated by combustion and thermal degradation of the tobacco in the traditional cigarette can be reduced. The heating mode adopted for heating the cigarette comprises various modes such as central heating, surrounding heating, airflow heating, central and surrounding combined heating and the like. In the prior art, as mentioned above, the heating element in these heating methods is in contact with the smoking articles such as tobacco or nicotine without any gap, and the cigarette paper in the thin smoking article is easily over-baked, so that the acidic substances are volatilized from the cigarette paper, and the smoking taste is affected.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a heating element for low temperature cigarette smoking set to solve the problem that the excessive baking of smoking article caused user's suction experience feels poor in the background art.
In order to solve the technical problem, an aspect of the present invention provides a heating assembly for low-temperature cigarette smoking set, including a heating chamber for accommodating and heating smoking articles, be equipped with a plurality of protruding portions, adjacent two on the inside wall of heating chamber be formed with the recess between the protruding portion, be equipped with heating element in the recess, smoking articles insert to in the heating chamber, smoking articles's outer wall support and lean on the protruding portion, and with there is the clearance between the heating element.
Specifically, an airflow channel communicated with the outside is formed between the groove and the smoking article, and outside air can enter the smoking article through the airflow channel.
Specifically, the bellying is for following the axially extended strip bellying of heating chamber, it is a plurality of strip bellying is followed the cross section circumferencial direction equipartition in heating chamber distributes.
In particular, the protrusions are evenly distributed on the inner side wall of the heating cavity.
Specifically, each groove is provided with the heating element.
Specifically, a pair of electrode rings used for being connected with an external power supply are arranged at two ends of the protruding portion in the heating cavity, and two ends of the heating element are respectively in pair with the electrode rings in electric connection.
Specifically, the cross section of the strip-shaped convex part is arc-shaped.
Specifically, the heating chamber is rolled up by the substrate layer and is formed the inboard of substrate layer is provided with the flute layer, the crest on flute layer constitutes the bellying, the trough on flute layer constitutes the recess.
Specifically, the substrate layer is made of aluminum oxide, glass or metal foil.
Specifically, the groove is printed or coated with a resistance circuit to form the heating element, and a protective glaze layer covers the resistance circuit.
The utility model discloses another aspect provides an adopt above-mentioned heating element's low temperature cigarette smoking set.
Compared with the prior art, the utility model discloses the beneficial effect who has lies in: be equipped with the bellying on the inside wall of heating chamber, heating element sets up the recess department between bellying and bellying for smoking article's cigarette paper and heating element are not direct contact, have avoided excessive baking and the temperature inhomogeneity problem that direct contact brought, are used for the suction to experience and feel good.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a cross-sectional view of a heat generating component according to an embodiment of the present invention;
fig. 2 is an air flow direction diagram of a working state of the heating assembly provided by the embodiment of the invention;
fig. 3 is an isometric view of a heat-generating component provided by an embodiment of the present invention;
fig. 4 is an expanded schematic view of a heating element provided in an embodiment of the present invention;
fig. 5 is a cross-sectional view of a heating element and a protrusion of a heating assembly according to an embodiment of the present invention;
wherein: 1-heating chamber; 2-a boss; 3-a groove; 4-a heating element; 5-a smoking article; 6-an airflow channel; 7-an electrode ring; 8-a substrate layer; 9-corrugated layer; 10-conductive shrapnel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, a heating assembly for a low-temperature cigarette smoking set comprises a heating cavity 1 for accommodating and heating smoking articles, wherein a plurality of convex parts 2 are uniformly distributed on the inner side wall of the heating cavity 1, a groove 3 is formed between every two adjacent convex parts 2, a heating element 4 is arranged in the groove 3, the convex parts 2, the groove 3 and the heating element 4 jointly form a heating body, when the smoking articles are inserted into the heating cavity 1, the outer wall of the smoking articles 5 abuts against the convex parts 2, and a gap is formed between the heating element 4 and the smoking articles, so that the heating elements are not in contact with each other; during smoking, the smoking article 5 is inserted into the heating cavity 1, and the heating element 4 generates heat to bake the smoking article 5 out of smoke for a user to smoke.
The smoking article 5 refers to a product that generates flavor from a smoking material by applying heat without causing combustion of the material, and in the present embodiment, the smoking article 5 is a tobacco product or a nicotine product, and includes a cigarette paper and a tobacco material or a nicotine material wrapped in the cigarette paper. It should be noted that the above is only one specific example of a smoking article, and it will be apparent to those skilled in the art that other smoking articles adapted for low temperature smoking article heating may also be used.
In the embodiment, the inner side wall of the heating cavity 1 is provided with the protruding portion 2, and the heating element 4 is arranged at the groove 3 between the protruding portion 2 and the protruding portion 2, so that the cigarette paper of the smoking article 5 is not in direct contact with the heating element 4, the problems of excessive baking and temperature unevenness caused by direct contact are avoided, and the smoking experience of a user is better. Furthermore, it should be noted that it is not a requirement that the protrusions 2 are evenly distributed on the inner side wall of the heating chamber 1, and the protrusions 2 may also be arranged in a non-uniform manner on the inner side wall of the heating chamber 1.
Referring to fig. 2, in some possible embodiments, an air flow channel 6 communicated with the outside is formed between the groove 3 and the smoking article 5, the air flow channel 6 extends from one end of the heating cavity 1 to the other end of the heating cavity 1, when the smoking article 5 is inserted into the heating cavity 1, the outer wall (i.e. cigarette paper) of the smoking article 5 is tightly attached to the convex part 2 on the heating cavity 1, the groove 3 formed by the convex part 2 and the smoking article 5 form the air flow channel 6, the surface area in the heating cavity 1 is increased due to the arrangement of the convex part 2, so that the air amount entering the air flow channel 6 is increased, the heating element 4 is arranged at the groove 3, a gap with the size of the convex part 2 is formed between the groove 3 and the cigarette paper, so that the heating element 4 is in indirect contact with the cigarette paper, when the heating element 4 starts to heat, the convex part 2 firstly receives the heat of the heating element 4, the cold air stored in the recess 3 is also heated to hot air and the smoking article 5 receives the heat conducted by the projection 2, the hot air and the radiant heat from the heating element 4. When smoking the smoking article, cold air enters the heating cavity 1 along with the airflow channel 6, and becomes hot air after the airflow channel 6 formed by the groove 3 and the smoking article 5, the hot air and the heat flow remained in the airflow channel 6 before pass through the smoking article together, the smoking article 5 is heated and volatilizes smoke, and the hot air and the smoke are mixed to pass through the smoking set or the filter tip of the smoking article to enter the oral cavity of a human body.
In the embodiment, the surface area of the heating cavity 1 is increased due to the arrangement of the convex part 2, a new hot air flow channel is formed by the groove 3, hot air flow can penetrate through the whole flue and the smoking article during smoking, and better smoking experience is brought.
Referring to fig. 3 and 4, specifically, the protruding portion 2 is a strip-shaped protruding portion extending along the axial direction of the heating cavity 1, the plurality of strip-shaped protruding portions are uniformly distributed along the circumferential direction of the cross section of the heating cavity 1, each groove 3 is provided with a heating element 4, a pair of electrode rings 7 used for being connected with an external power supply are arranged at two ends of the protruding portion 2 in the heating cavity 1, two ends of the heating element 4 are respectively electrically connected with the pair of electrode rings 7, and the external power supply supplies power to the heating element 4 through the electrode rings 7 to heat the smoking article 5. The cross section of the convex part 2 can be designed into a circular arc shape, an elliptic arc shape or other arc shapes according to design requirements.
Certainly, in practical application, the protrusion 2 may also be a point-shaped protrusion, the cross section of the point-shaped protrusion gradually decreases toward the root, the point-shaped protrusions are arranged in rows along the axial direction of the heating cavity 1, and each row includes a plurality of point-shaped protrusions uniformly distributed along the circumferential direction of the cross section of the heating cavity 1; that is to say, a plurality of circumferentially arranged grooves and axially arranged grooves are formed between the dot-shaped protruding portion and the dot-shaped protruding portion in a staggered manner, an airflow channel 6 is formed between the axially arranged grooves and the smoking article 5, and the heating element 4 can be arranged in the circumferentially arranged grooves 3 and/or the axially arranged grooves, in the above design mode, because the protruding point area of the protruding portion 2 is small, the contact area with the smoking article 5 is also small, and therefore the heat received by the smoking article 5 is a heat transfer mode of three ways, namely heat conduction of the protruding portion 2, air convection heat transfer of the groove 3 and radiation heat transfer.
Specifically, the resistive circuit printed or coated in the groove 3 directly constitutes the heating element 4, and a protective glaze layer (not shown in the figure) covers the resistive circuit. By the design mode, the resistance circuit can be prevented from being directly exposed in an oxidation environment to cause oxidation failure of the resistance circuit, and the service life of the heating element 4 is prolonged. Of course, the heating element can also adopt a heating wire or a heating sheet.
Referring to fig. 4, it can be understood that, in the practical application process, the heating cavity 1 is formed by rolling a substrate layer 8, a corrugated layer 9 is arranged on the inner side of the substrate layer 8, the wave crests of the corrugated layer 9 form the protruding portions 2, the wave troughs of the corrugated layer 9 form the grooves 3, and the shape of the corrugations is divided into 3 types, namely V-shaped, U-shaped and UV-shaped, according to the size of the arc of the corrugations. The U-shaped corrugated peak of the U-shaped corrugation is close to a circle, the arc radius is larger, and the energy absorption capacity is large; the V-shaped corrugation peak of the V-shaped corrugation is close to a triangle, the arc radius is smaller, and the contact area between the corrugation peak and the cigarette paper is small; the shape of the UV-shaped corrugation is between that of the U-shaped corrugation and that of the V-shaped corrugation, most of the advantages of the U-shaped corrugation and the V-shaped corrugation are achieved, and the radius of the circular arc is between that of the U-shaped corrugation and that of the V-shaped corrugation. In addition, the size and height of the corrugations may also be different. The shape, size and height of the corrugations determine the proportion of the increase of the surface area in the heating cavity.
Referring to fig. 4 and 5, a heating element 4 is arranged between wave crests of a corrugated layer 9, one end of an electrode ring 7 is fixed on a substrate layer and is electrically connected with a circuit board for controlling the output of current, a conductive elastic sheet 10 is arranged at the other end of the electrode ring, one end of the conductive elastic sheet 10 is fixed on the electrode ring 7, the other end of the conductive elastic sheet is a free end and can bounce to two side surfaces and is communicated with the heating element 4, the conductive elastic sheet 10, the electrode ring 7 and the heating element 4 jointly form a complete circuit loop, when the current starts to be output, the electrode ring 7, the conductive elastic sheet 10 and the heating element 4 form the circuit loop after being electrified, and the heating element 4 starts to generate heat. The heating element 4 is a component which can generate heat after being connected with electricity and is characterized by small square resistance, fast heating, high use temperature and strong oxidation resistance. Metal materials such as tungsten, silver and platinum are commonly used. The substrate layer 8 may be made of alumina, glass, metal foil, or the like.
The manufacturing process of the heating element (alumina substrate) is as follows: covering an upper convex layer on an alumina casting green body (a base material layer 8), and arranging corrugated arcs on the convex layer in a rolling way and the like to form V-shaped, U-shaped and UV-shaped corrugations which are regularly arranged; printing or coating resistance circuits at the grooves 3 of the corrugated layer 9 to form a heating element 4 for heating; the heating element 4 and the corrugated layer 9 are integrated by hot-press lamination or isostatic lamination. After rolling, degumming, co-sintering, glazing and bonding wires, a heating element assembly can be formed.
The manufacturing process of the heating element (metal substrate) comprises the following steps: covering a convex layer on the base material layer 8, and forming a corrugated shape on the convex layer in a rolling mode and the like; the resistive circuit is printed or coated at the grooves 3 of the corrugated layer 9 to form a heating element 4 for generating heat. The heating element assembly can be formed after air drying, rolling, degumming, sintering, glazing and welding wires.
The application also provides a low temperature cigarette smoking set that adopts the heating element of above-mentioned embodiment, as shown in fig. 3, heating element installs in the smoking set casing, after smoking article 5 inserts in heating chamber 1, heating element 4 generates heat after circular telegram and toasts smoking article, in order to produce the smog that supplies the user to aspirate, the setting of bellying 2 has increased the interior surface area of heating chamber 1, recess 3 department between bellying 2 and bellying 2 sets up heating element 4, the existence of bellying 2 makes smoking article 5 and heating element 4 be indirect contact, excessive baking and the temperature inhomogeneity problem that the direct contact brought have been avoided, user's smoking experience feels better. In addition, the groove 3 of the bulge part 2 also forms a new hot air flow channel, so that hot air flow can penetrate through the whole flue and the smoking article during smoking, and better smoking experience is brought.
The above examples are merely illustrative of the present invention clearly and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Nor is it intended to be exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (10)
1. Low temperature is heating element for cigarette smoking set, including the heating chamber that is used for holding and heating smoking article, its characterized in that: the heating cavity is characterized in that a plurality of protruding portions are arranged on the inner side wall of the heating cavity, a groove is formed between every two adjacent protruding portions, the extending direction of the groove is the same as the extending direction of the heating cavity, a heating element is arranged in the groove, and when a smoking article is inserted into the heating cavity, the outer wall of the smoking article is abutted against the protruding portions and a gap exists between the smoking article and the heating element.
2. The heat-generating component of claim 1, wherein: an airflow channel communicated with the outside is formed between the groove and the smoking article, so that outside air can pass through the airflow channel and be heated in the groove to enter the smoking article under negative pressure.
3. The heating element for a low temperature cigarette smoking set of claim 2, wherein: the convex parts are uniformly distributed on the inner side wall of the heating cavity.
4. The heating element for a low temperature cigarette smoking set of claim 3, wherein: the bellying is for following the axially extended strip bellying of heating chamber is a plurality of the strip bellying is followed the cross section circumferencial direction equipartition in heating chamber distributes.
5. The heating element for a low temperature cigarette smoking set of claim 4, wherein: the heating cavity is internally provided with a pair of electrode rings which are used for being connected with an external power supply at two ends of the lug boss, and two ends of the heating element are respectively electrically connected with the pair of electrode rings.
6. The heating element for a low temperature cigarette smoking set of claim 4, wherein: the cross section of the strip-shaped convex part is arc-shaped.
7. The heating element for a low temperature cigarette smoking set according to any one of claims 1 to 6, wherein: the heating chamber is formed by the substrate layer system of rolling up the inboard of substrate layer is provided with the flute layer, the crest on flute layer constitutes the bellying, the trough on flute layer constitutes the recess.
8. The heating element for a low temperature cigarette smoking set of claim 7, wherein: the substrate layer is made of aluminum oxide, glass or metal foil.
9. The heating element for a low temperature cigarette smoking set according to any one of claims 1 to 6, wherein: and the groove is printed or coated with a resistance circuit to form the heating element, and a protective glaze layer covers the resistance circuit.
10. The heating element for a low temperature cigarette smoking set according to any one of claims 1 to 6, wherein: each groove is provided with the heating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023162028.5U CN214414102U (en) | 2020-12-24 | 2020-12-24 | Heating component for low-temperature cigarette smoking set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023162028.5U CN214414102U (en) | 2020-12-24 | 2020-12-24 | Heating component for low-temperature cigarette smoking set |
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| Publication Number | Publication Date |
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| CN214414102U true CN214414102U (en) | 2021-10-19 |
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| CN202023162028.5U Active CN214414102U (en) | 2020-12-24 | 2020-12-24 | Heating component for low-temperature cigarette smoking set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113951564A (en) * | 2021-11-16 | 2022-01-21 | 江西中烟工业有限责任公司 | Be applied to cup of heating cigarette smoking set |
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2020
- 2020-12-24 CN CN202023162028.5U patent/CN214414102U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113951564A (en) * | 2021-11-16 | 2022-01-21 | 江西中烟工业有限责任公司 | Be applied to cup of heating cigarette smoking set |
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