CN114668174A - Heating component for low-temperature cigarette smoking set - Google Patents
Heating component for low-temperature cigarette smoking set Download PDFInfo
- Publication number
- CN114668174A CN114668174A CN202011543650.2A CN202011543650A CN114668174A CN 114668174 A CN114668174 A CN 114668174A CN 202011543650 A CN202011543650 A CN 202011543650A CN 114668174 A CN114668174 A CN 114668174A
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- Prior art keywords
- heating
- heating element
- groove
- smoking article
- low temperature
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
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- Resistance Heating (AREA)
Abstract
The invention discloses a heating assembly for a low-temperature cigarette smoking set, which comprises a heating cavity for accommodating and heating a smoking article, wherein a plurality of convex parts are arranged on the inner side wall of the heating cavity, a groove is formed between every two adjacent convex parts, 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 the smoking article is inserted into the heating cavity, the outer wall of the smoking article is abutted against the convex parts and a gap is formed between the outer wall of the smoking article and 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 invention belongs to the technical field of smoking articles, and particularly relates to a heating component for a low-temperature 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.
Disclosure of Invention
The invention mainly aims to provide a heating component for a low-temperature cigarette smoking set, so as to solve the problem of poor smoking experience of a user caused by excessive baking of a smoking article in the background art.
In order to solve the technical problem, the invention provides a heating assembly for a low-temperature cigarette smoking set, which comprises a heating cavity for accommodating and heating a smoking article, wherein a plurality of convex parts are arranged on the inner side wall of the heating cavity, a groove is formed between every two adjacent convex parts, a heating element is arranged in the groove, and when the smoking article is inserted into the heating cavity, the outer wall of the smoking article abuts against the convex parts, and a gap is formed between the outer wall of the smoking article and 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 heating element is formed by printing or coating a resistance circuit on the groove, and a protective glaze layer covers the resistance circuit.
The invention also provides a low-temperature cigarette smoking set adopting the heating component.
Compared with the prior art, the invention has the beneficial effects that: 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 introduced 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 based on these drawings without creative efforts.
FIG. 1 is a cross-sectional view of a heat-generating component provided by an embodiment of the present invention;
FIG. 2 is a flow chart of the working state of the heating element according to the embodiment of the present 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 view of a heater module according to 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 clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 communicating 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 chamber 1 to the other end of the heating chamber 1, when the smoking article 5 is inserted into the heating chamber 1, the outer wall of the smoking article 5 (i.e. the cigarette paper) is tightly attached to the protrusion 2 on the heating chamber 1, the groove 3 formed by the protrusion 2 and the protrusion 2 forms the air flow channel 6 with the smoking article 5, the inner surface area of the heating chamber 1 is increased due to the protrusion 2, so that the amount of air entering the air flow channel 6 is increased, the heating element 4 is arranged at the groove 3, the gap of the size of the protrusion 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 protrusion 2 receives the heat of the heating element 4 first, 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-like protrusion, the size of the cross section of the point-like protrusion gradually decreases toward the root direction, the point-like protrusions are arranged in rows along the axial direction of the heating cavity 1, and each row includes a plurality of point-like 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 press 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 for clearly illustrating the present invention 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 variations or modifications of the invention may be made without departing from the scope of the 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 |
|---|---|---|---|
| CN202011543650.2A CN114668174A (en) | 2020-12-24 | 2020-12-24 | Heating component for low-temperature cigarette smoking set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011543650.2A CN114668174A (en) | 2020-12-24 | 2020-12-24 | Heating component for low-temperature cigarette smoking set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114668174A true CN114668174A (en) | 2022-06-28 |
Family
ID=82071012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011543650.2A Pending CN114668174A (en) | 2020-12-24 | 2020-12-24 | Heating component for low-temperature cigarette smoking set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114668174A (en) |
-
2020
- 2020-12-24 CN CN202011543650.2A patent/CN114668174A/en active Pending
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