CN216088884U - Aerosol generating device with heating tube having axial ribs - Google Patents
Aerosol generating device with heating tube having axial ribs Download PDFInfo
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- CN216088884U CN216088884U CN202122067528.9U CN202122067528U CN216088884U CN 216088884 U CN216088884 U CN 216088884U CN 202122067528 U CN202122067528 U CN 202122067528U CN 216088884 U CN216088884 U CN 216088884U
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Abstract
The utility model discloses an aerosol generating device with a heating tube provided with axial ribs, which comprises an outer tube, an electromagnetic coil, an insulating tube, the heating tube, an inner tube and a bottom cover, wherein the outer tube, the electromagnetic coil, the insulating tube, the heating tube and the inner tube are sleeved from outside to inside, the inner tube is provided with an inner cavity for accommodating solid smoke substances, the electromagnetic coil is axially arranged around the outer wall of the insulating tube and can heat the heating tube when being electrified for work, the side wall of the heating tube is provided with a plurality of axial ribs which are axially raised, wherein, the outer side wall is provided with outer axial ribs, the inner side wall is provided with inner axial ribs, the space between the outer axial ribs and the inner side wall of the insulating tube form a second air flow channel, the space between the inner axial ribs and the outer side wall of the inner tube form a first air flow channel, when the heating tube heats, the outside air enters the second air flow channel and the first air flow channel in sequence and is heated into hot air flow, and the hot air flow is converged at the bottom of the inner tube and then flows upwards through the inside of the solid smoke substance to heat and bake the solid smoke substance.
Description
Technical Field
The utility model relates to the technical field of aerosol generating devices, in particular to an aerosol generating device with a heating tube provided with axial ribs.
Background
The existing cigarette is smoked by smokers when burning with open fire, and the smoking is harmful to health because the cigarette can decompose and generate a plurality of harmful substances such as cigarette tar, carbon monoxide and the like when burning with open fire. In order to prevent cigarettes and the like from generating a large amount of harmful substances and enjoy the unique taste of the cigarettes, the existing aerosol generating device has the functions that when a user smokes, a cigarette product or other herbal plant products are placed in the aerosol generating device to be heated and not to be combusted, and the aerosol generating device is baked at a temperature lower than the combustible temperature until aerosol such as cigarette smoke and the like is generated, so that the user is prevented from inhaling a large amount of harmful substances by heating the aerosol generating device at a low temperature instead of burning the aerosol by a high-temperature open fire, and the aerosol generating device is gradually widely used for smoking. The aerosol generating device can also be used for generating aromatic gas such as Chinese herbal medicine smoke, spice smoke and the like for smoking treatment, sterilization and the like. The heating element in the aerosol-generating device may generate heat by electromagnetic induction.
The heating mode of the existing electromagnetic induction heating aerosol generating device is generally that a smoke substance is directly heated by an electromagnetic induction heating body, heat is gradually diffused to other parts from the edge of the heating body during direct heating, the temperature of the smoke substance can be raised to a set temperature only by needing larger electromagnetic power, the power consumption is large, the heating efficiency is low, and the heat of the smoke substance contacted with the edge of the heating body is concentrated and is easy to be scorched, so that scorched smell can be generated in aerosol; in addition, the heating body generates high temperature, and the high temperature is easy to conduct and radiate to an outer tube or a shell of the aerosol generating device when the heat insulation effect is poor, so that a user can feel hot when using the aerosol generating device, and poor use experience is brought to the user.
Disclosure of Invention
It is an object of the present invention to overcome the above-mentioned deficiencies of the art by providing an aerosol-generating device having a heat-generating tube with axial ribs.
The technical scheme of the utility model is realized in such a way that the aerosol generating device with the heating tube provided with the axial ribs comprises an outer tube, an electromagnetic coil, an insulating tube, the heating tube, an inner tube and a bottom cover arranged at the bottom of the insulating tube, wherein the outer tube, the electromagnetic coil, the heating tube and the inner tube are sleeved from outside to inside, the inner tube is provided with an internal cavity for containing solid smoke substances, the electromagnetic coil is axially arranged around the outer wall of the insulating tube and can heat the heating tube when the electromagnetic coil is electrified to work, the side wall of the heating tube is provided with a plurality of axial ribs which are axially raised, the outer axial ribs are arranged on the outer side wall, the inner axial ribs are arranged on the inner side wall, gaps among the insulating tube, the heating tube and the outer axial ribs form a second airflow channel, gaps among the heating tube, the inner axial ribs and the inner tube form a first airflow channel, when the heating tube generates heat, outside air sequentially enters the second airflow channel and the first airflow channel and is heated into hot airflow, the hot gas stream collects at the bottom of the inner tube and flows upwardly through the interior of the solid smoking material to heat and toast the solid smoking material.
Preferably, a gap which is communicated up and down is arranged between the outer pipe and the insulating pipe to form a third airflow channel, and outside air firstly enters the third airflow channel and then sequentially enters the second airflow channel and the first airflow channel.
Preferably, the axial rib and the heating tube are integrally molded from the same material.
Preferably, the heating device further comprises a temperature sensor which is arranged on the bottom cover or the heating tube and is used for detecting the heating temperature of the heating tube.
Preferably, the temperature sensor includes a thermistor provided on the bottom cover or the heat generating tube.
Preferably, the bottom of the inner pipe is provided with a partition board, and the partition board is provided with a plurality of air inlets.
Preferably, the electromagnetic coil includes a second electromagnetic coil and a first electromagnetic coil which are divided into upper and lower sections.
Preferably, the outer tube is made of a heat insulating material.
The utility model has the beneficial effects that: the heating tube with electromagnetic induction heating firstly heats airflow, and the hot airflow then bakes and heats the solid smoke substance, so that the heating is uniform, the smoke substance is not easy to be burnt to generate scorched smell, and the burning feeling of the heat which is concentrated and is conducted to the outer tube is avoided; the heating tube is provided with the outer axial ribs and the inner axial ribs, so that the heating area is enlarged, and the airflow heating effect is better; be equipped with third airflow channel, can take away the cooling with the heat of inside conduction to the outer wall of insulating tube, reduce the heat of further conduction to the outer wall of outer tube, can preheat the air that gets into again simultaneously, consequently play the effect of retrieving the heat and insulating against heat and scalding the hand, make the experience of user's smoking good.
Drawings
FIG. 1 is a front view of an aerosol-generating device of the present invention having a heat-generating tube with axial ribs;
FIG. 2 is an exploded view of an aerosol-generating device having axial ribs for a heat-generating tube according to the present invention;
figure 3 is a cross-sectional view of a first aerosol-generating device of the utility model with a heat-generating tube having axial ribs;
fig. 4 is a perspective view of an induction heating pipe of the present invention;
FIG. 5 is a front view of an induction heating pipe of the present invention;
FIG. 6 is a top view of an induction heating pipe of the present invention;
FIG. 7 is a front view of the inner tube of the present invention;
FIG. 8 is a top view of the inner tube of the present invention;
figure 9 is a second cross-sectional view of an aerosol-generating device of the utility model having a heat-generating tube with axial ribs.
Wherein, the main component symbols illustrate:
1-outer tube, 2-electromagnetic coil, 21-first electromagnetic coil, 22-second electromagnetic coil, 3-insulating tube, 4-heating tube, 40-outer axial rib, 41-inner axial rib, 5-inner tube, 50-clapboard, 51-air inlet, 6-bottom cover, 7-cigarette, 71-cigarette holder, 81-first air flow channel, 82-second air flow channel, and 83-third air flow channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
The solid smoking material used in the aerosol generating device with the heating tube provided with the axial ribs comprises semi-finished products or finished products such as bulk tobacco, cigarette rods, cigarette paste, Chinese herbal medicines, spices and the like, contains an aerosol forming substrate, and can release volatile compounds capable of forming aerosol and the like under the condition of being heated. Solid smoking materials in the form of granules, cut tobacco, powder, flakes or paste, the solid smoking material of the present invention encased in an inner tube with voids between the interior so that gas can penetrate through it. The solid smoking material may be heated and baked to emit an aerosol at about 200 ℃ and 320 ℃. The utility model heats the solid smoke substance by hot air flow. A mouthpiece or like member may be mounted over the inner tube, i.e. over the solid smoking material, so that the aerosol generated may be drawn into the mouth by the user. In the following examples, the solid smoking material is described by taking a cigarette as an example, and the cigarette contains tobacco shreds or tobacco sheets.
Example one
As shown in fig. 1-3, the aerosol generating device with axial ribs of the heating tube according to the embodiment of the present invention is formed by sleeving an outer tube 1, an electromagnetic coil 2, an insulating tube 3, a heating tube 4 and an inner tube 5 from outside to inside, and a bottom cover 6 is disposed at the bottom of the insulating tube 3. Wherein, the inside of inner tube 5 is equipped with the inside cavity that is used for holding cigarette 7, and solenoid 2 encircles the setting along the outer wall axial of insulating tube 3, and solenoid 2 circular telegram during operation can make heating tube 4 induction heating. The upper part of the cigarette 7 is a cigarette holder 71. The outer tube 1 may be made of a heat insulating material, the insulating tube 3 may be made of a heat insulating material such as PEEK plastic material, and the inner tube 5 may be made of a heat resistant non-magnetic conductive metal or non-metal material. When the electromagnetic coil 2 is electrified to work, an alternating magnetic field penetrating through the insulating tube 3 can be generated, and the heating tube 4 is heated by the alternating magnetic field. The heating tube 4 is usually made of iron magnetic conductive material so as to generate electric energy after inducing the alternating magnetic field, the electric energy flows violently in the heating tube 4 to generate heat, and the air flowing through the wall of the heating tube 4 can be heated rapidly when the heating tube 4 generates heat.
As shown in fig. 2, the electromagnetic coil 2 of the present invention includes a first electromagnetic coil 21 and a second electromagnetic coil 22 which are divided into an upper section and a lower section, and the electromagnetic coil 2 is divided into sections to facilitate time-sharing control for generating different heating temperatures.
As shown in fig. 3-6, the side wall of the heating tube 4 is provided with a plurality of axial ribs protruding axially, wherein the outer side wall is provided with an outer axial rib 40, the inner side wall is provided with an inner axial rib 41, the gaps between the insulating tube 3 and the heating tube 4 and between the insulating tube 3 and the outer axial rib 40 form a second air flow channel 82, the gaps between the heating tube 4 and the inner axial rib 41 and between the heating tube 4 and the inner tube 5 form a first air flow channel 81, the outside air can enter the second air flow channel 82 from the lower part of the insulating tube 2 upwards, turn at the top of the second air flow channel 82 downwards to enter the first air flow channel 81, and turn at the bottom of the first air flow channel 81 upwards to enter the cigarette 7 in the inner tube 5. When the heating tube 4 generates heat, the outside air enters the second air flow channel 82 and the first air flow channel 81 in sequence and is heated into hot air flow by the heating tube 4, and the hot air flow is converged at the bottom of the inner tube 5 and flows upwards through the inside of the cigarette 7 to bake the cigarette 7. The outer axial rib 40, the inner axial rib 41 and the heat generating tube 4 are integrally formed by the same material, so that the outer axial rib 40 and the inner axial rib 41 can generate heat, and the gas flowing through the gas flow passage is heated by a larger area, so as to heat the gas more quickly. The axial ribs may be thick strip-shaped ribs or thin sheet-shaped ribs.
The direction indicated by the continuous arrows in fig. 3 is the flow path and direction of the airflow sequentially passing through the second airflow channel 82, the first airflow channel 81 and the cigarette 7.
As shown in fig. 7 and 8, a partition 50 is disposed at the bottom of the inner tube 5, and a plurality of air inlets 51 are disposed on the partition 50.
The utility model is also provided with a temperature sensor (not shown), the temperature sensor is arranged on the bottom cover or the heating tube and is used for detecting the heating temperature of the bottom cover or the heating tube, and the temperature sensor comprises a thermistor arranged on the bottom cover or the heating tube.
Example two
The present embodiment adds the following features to the first embodiment.
As shown in fig. 9, a gap is formed between the outer tube 1 and the insulating tube 3 to form a third airflow channel 83, and the outside air firstly enters the third airflow channel 83 and then sequentially enters the second airflow channel 82 and the first airflow channel 81. Increased third airflow channel 83 in this embodiment, the air that external world got into at first gets into this airflow channel, can take away the cooling with the heat of inside conduction to the outer wall of insulating tube 3, can reduce the heat of further conduction to the outer wall of outer tube 1, can preheat the air of getting into again simultaneously, consequently plays the effect of retrieving the heat and insulating against heat and scalding the hand.
The direction indicated by the continuous arrows in fig. 9 is the flow route and direction of the airflow sequentially passing through the third airflow channel 83, the second airflow channel 82, the first airflow channel 81 and the cigarettes 7.
The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Various modifications and alterations may occur to those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and alterations should be accorded the broadest interpretation so as to encompass all such modifications and alterations.
Claims (8)
1. An aerosol generating device with a heating tube provided with axial ribs is characterized by comprising an outer tube, an electromagnetic coil, an insulating tube, the heating tube, an inner tube and a bottom cover arranged at the bottom of the insulating tube, wherein the outer tube, the electromagnetic coil, the insulating tube, the heating tube and the inner tube are sleeved from outside to inside, the inner tube is provided with an inner cavity used for containing solid smoke substances, the electromagnetic coil is axially arranged around the outer wall of the insulating tube and can heat the heating tube when being electrified to work, a plurality of axially-raised axial ribs are arranged on the side wall of the heating tube, outer axial ribs are arranged on the outer side wall, inner axial ribs are arranged on the inner side wall, gaps among the insulating tube, the heating tube and the outer axial ribs form a second airflow channel, gaps among the inner axial ribs form a first airflow channel, and when the heating tube generates heat, outside air sequentially enters the second airflow channel and the first airflow channel and is heated into hot airflow, the hot gas stream collects at the bottom of the inner tube and flows upwardly through the interior of the solid smoking material to heat and toast the solid smoking material.
2. An aerosol-generating device having a heat-generating tube with axial ribs according to claim 1, wherein: and a gap which is communicated up and down is arranged between the outer pipe and the insulating pipe to form a third airflow channel, and the outside air firstly enters the third airflow channel and then sequentially enters the second airflow channel and the first airflow channel.
3. An aerosol-generating device having a heat-generating tube with axial ribs according to claim 1, wherein: the axial ribs and the heating tube are integrally molded by the same material.
4. An aerosol-generating device having a heat-generating tube with axial ribs according to claim 1, wherein: the heating device also comprises a temperature sensor which is arranged on the bottom cover or the heating tube and is used for detecting the heating temperature of the bottom cover or the heating tube.
5. An aerosol-generating device according to claim 4 in which the heat-generating tube has axial ribs, wherein: the temperature sensor comprises a thermistor arranged on the bottom cover or the heating tube.
6. An aerosol-generating device having a heat-generating tube with axial ribs according to claim 1, wherein: the bottom of the inner pipe is provided with a partition board, and the partition board is provided with a plurality of air inlets.
7. An aerosol-generating device having a heat-generating tube with axial ribs according to claim 1, wherein: the electromagnetic coil comprises a second electromagnetic coil and a first electromagnetic coil which are divided into an upper section and a lower section.
8. An aerosol-generating device having a heat-generating tube with axial ribs according to claim 1, wherein: the outer tube is made of a heat insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067528.9U CN216088884U (en) | 2021-08-30 | 2021-08-30 | Aerosol generating device with heating tube having axial ribs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067528.9U CN216088884U (en) | 2021-08-30 | 2021-08-30 | Aerosol generating device with heating tube having axial ribs |
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| Publication Number | Publication Date |
|---|---|
| CN216088884U true CN216088884U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122067528.9U Active CN216088884U (en) | 2021-08-30 | 2021-08-30 | Aerosol generating device with heating tube having axial ribs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023029482A1 (en) * | 2021-08-30 | 2023-03-09 | 惠州市新泓威科技有限公司 | Aerosol generation device having induction heating tube |
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2021
- 2021-08-30 CN CN202122067528.9U patent/CN216088884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023029482A1 (en) * | 2021-08-30 | 2023-03-09 | 惠州市新泓威科技有限公司 | Aerosol generation device having induction heating tube |
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