CN212414741U - Heat-insulation non-contact electronic cigarette heating device - Google Patents
Heat-insulation non-contact electronic cigarette heating device Download PDFInfo
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- CN212414741U CN212414741U CN202020779841.8U CN202020779841U CN212414741U CN 212414741 U CN212414741 U CN 212414741U CN 202020779841 U CN202020779841 U CN 202020779841U CN 212414741 U CN212414741 U CN 212414741U
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Abstract
The utility model belongs to the technical field of the heating smoking set, in particular to thermal-insulated heat preservation non-contact electron cigarette heating device. The electronic cigarette heating device comprises the following parts: the heating cup comprises an upper heating cup cover (2), a heat conduction pipe (3), a heating element (4) and a lower heating cup cover (5). The utility model discloses the airflow channel structure that the cup upper cover 2 that utilizes to generate heat and the 5 formation of cup lower cover that generate heat belong to the structure of multilayer air flue, and this kind of mode has prolonged airflow channel's length, and the hot-air supply is sufficient, avoids the not good problem of produced suction uniformity of hot-air supply inadequately.
Description
Technical Field
The utility model belongs to the technical field of the heating smoking set, in particular to thermal-insulated heat preservation non-contact electron cigarette heating device.
Background
At present, the electronic cigarette mainly adopts a contact heating mode and three common contact heating modes aiming at the heating non-combustion type on the market: bottom heating type, center heating type, circumferential heating type. The above-described contact heating approaches rely primarily on contact heat transfer from a heat-generating source to heat the smoking article. The above technical solutions mainly have the problems that the heat of the heat source part is concentrated, which easily causes the excessive heating of the smoking articles directly contacting with the heat source, i.e. burning and burning; while smoking articles remote from the location of the heat source may not be adequately heated.
Non-contact heating means that the heated hot air in the drive means heats the smoking article, thereby achieving a better heating effect and improving the smoking experience of the user. The technical focus of non-contact heating is to heat the smoking article to a desired temperature in a short period of time while ensuring consistency during smoking for commercialization purposes.
In realizing the utility model discloses an in-process, utility model people discover:
heating devices for non-contact heating smoking articles are mainly of two types as shown in fig. 5. In the first type, as shown in FIG. 5A, the cold airflow is heated by the heat generated by the heater 5-3 as it passes through the heater, and the hot air enters the air inlet holes 5-11 to heat the smoking article. The second type is shown in fig. 5B, in which the helical structure of the helical ring 5-2 is used to extend the air passage, so as to prolong the residence time of air in the air passage, after the air flow enters the device through the helical ring air inlet holes 5-21, the air flow is heated by the heat generated by the heating wire 5-3, and then reaches the heating region through the air inlet holes 5-11 to heat the smoking article.
In the diagram 5A, the gas is heated directly by the heating wire 5-3 and then enters the heating area through the air inlet to be heated, which has the problems that the short air passage can cause insufficient supply of hot air during suction, thereby causing poor suction experience, and the heat required for heating the air is more, and the method does not perform any heat insulation and temperature reduction treatment, and has higher surface temperature. In the diagram 5B, the spiral ring 5-2 as a heat absorbing material will firstly absorb the heat generated by the heating wire 5-3 during heating, resulting in low heat transfer efficiency of the heat source to the air and slow temperature rising speed. The excessive heat required to heat the air channel and air also causes the excessive surface temperature of the device.
In order to solve the above problems, the present invention is provided.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a new non-contact electron cigarette heating device aims at solving above-mentioned heating device rate of rise of temperature slow, suction experience poor, the high scheduling problem of surface temperature.
The utility model discloses the first aspect provides a thermal-insulated heat preservation non-contact electron cigarette heating device, electron cigarette heating device includes following spare part: the heating cup comprises an upper heating cup cover 2, a heat conduction pipe 3, a heating element 4 and a lower heating cup cover 5;
wherein, the heat conducting pipe 3 is a hollow tubular structure, and the sidewall thereof has at least one third air inlet hole 31 or the gap between the sidewall of the heat conducting pipe 3 and the lower cover 5 of the heating cup forms at least one third air inlet hole 31;
the upper cover 2 of the heating cup comprises a second upper hollow cylinder 25 and a first upper hollow cylinder 24 surrounding the periphery of the second upper hollow cylinder, the lower ends of the two cylinders are open, the upper ends of the two cylinders are provided with upper end surfaces, the upper end surfaces of the two cylinders are partially overlapped, the upper end surface of the second hollow cylinder 25 is provided with at least one air outlet 21, the side wall of the first upper hollow cylinder 24 is provided with at least one first air inlet 241 communicated with the outside air or a gap between the side wall of the first upper hollow cylinder 24 and the lower cover 5 of the heating cup forms at least one first air inlet 241 communicated with the outside air, the side wall of the second upper hollow cylinder 25 is provided with at least one second air inlet 251 or a gap between the side wall of the second upper hollow cylinder 25 and the lower cover 5 of the heating cup forms at least one second air inlet 251;
the lower cover 5 of the heating cup comprises a first lower hollow cylinder 51 with an open upper end and a closed lower end, the lower end surface of the first lower hollow cylinder 51 is provided with a radial projection relative to the first lower hollow cylinder 51, the outer diameter of the first lower hollow cylinder 51 is smaller than the inner diameter of the first upper hollow cylinder 24, and the inner diameter of the first lower hollow cylinder 51 is larger than the outer diameter of the second upper hollow cylinder 25;
the connection relationship among the above parts is as follows:
the heat conducting pipe 3 surrounds the periphery of the heating element 4, the second upper hollow cylinder 25 of the heating cup upper cover 2 surrounds the periphery of the heat conducting pipe 3, the first lower hollow cylinder 51 of the heating cup lower cover 5 is arranged between the first upper hollow cylinder 24 and the second upper hollow cylinder 25, a gap exists between the upper end part of the first lower hollow cylinder 51 and the upper end surface of the first upper hollow cylinder 24, and at least one air flow channel which is in air flow communication with the first air inlet 241, the second air inlet 251, the third air inlet 31 and the air outlet 21 is arranged among the first lower hollow cylinder 51, the first upper hollow cylinder 24 and the second upper hollow cylinder 25.
Preferably, a smoking article accommodating cavity in airflow communication with the air outlet hole 21 is arranged above the upper cover 2 of the heating cup.
Preferably, the upper cover 2 of the heating cup further comprises a third upper hollow cylinder 26 disposed above the first upper hollow cylinder 24, the upper end of the third upper hollow cylinder 26 is open, the lower end surface of the third upper hollow cylinder coincides with the upper end surface of the first upper hollow cylinder 24, the air outlet 21 is in airflow communication with the inside of the third upper hollow cylinder 26, and at least a part of a smoking article accommodating cavity is inside the third upper hollow cylinder 26.
Preferably, the electronic cigarette heating device further comprises a mouthpiece 1, which is removably mounted above the third upper hollow cylinder 26. The interior of the mouthpiece 1 is in air flow communication with the interior of the third upper hollow cylinder 26.
Preferably, the heat conductive pipes 3 are metal pipes or metal alloy pipes. The metal or metal alloy tube may be heated by radiation to heat the surrounding air.
Preferably, the heating element 4 is a spiral heating wire.
Preferably, the inner wall of the heat conductive pipe 3 has a plurality of inner flanges 32 distributed circumferentially along the inner wall.
Preferably, the inner flange 32 extends axially along the inner wall of the heat conductive pipe 3.
The utility model discloses the second aspect provides the first aspect electron cigarette heating device's application method, it includes following step:
removing the suction nozzle 1, placing a smoking article in the smoking article accommodating cavity in the third upper hollow cylinder 26, and installing the suction nozzle 1;
starting the electronic cigarette heating device, wherein the heating element 4 starts to generate heat to heat the air in the heat conduction pipe 3;
when the suction nozzle 1 starts to suck, the outside air enters the electronic cigarette heating device from the first air inlet hole 241, enters the heat conduction pipe 3 through the second air inlet hole 251 and the third air inlet hole 31 along the airflow channel in sequence, is mixed with the hot air, enters the smoking article along the air outlet hole 21, is mixed with the smoke generated by the smoking article, and then flows out from the suction nozzle 1.
The utility model discloses following beneficial effect has:
1. the utility model discloses an electron cigarette heating device's heating element reaches the purpose to the heating of smoking article through the heated air, belongs to the non-contact heating, and the heating effect is even, the problem of the scorching that contact heating produced burning paste and failing the intensive heating can not appear.
2. The utility model discloses the airflow channel structure that the cup upper cover 2 that utilizes to generate heat and the 5 formation of cup lower cover that generate heat belong to the structure of multilayer air flue, and this kind of mode has prolonged airflow channel's length, and the hot-air supply is sufficient, avoids the not good problem of produced suction uniformity of hot-air supply inadequately.
3. Because the heating element is positioned in the center of the heating device, the airflow channel is in a turn-back form, the heat of the airflow channel is dissipated outwards layer by layer, cold air enters from the first air inlet hole 241 on the outermost layer and is heated layer by layer, and the heat dissipated outwards by the heating wire 4 is fully utilized; meanwhile, as cold air continuously enters the outermost layer, a certain cooling effect is achieved on the outer air passage, adverse effects on the device caused by heat absorption of a large heat source are avoided to a certain extent, and the surface temperature of the device can be effectively reduced.
4. In the preferred technical scheme, when the air current enters the internal area of the heat conduction pipe 3 from the third air inlet hole 31, the air current is heated by the heating wire and the heat conduction pipe at the same time, the inner flange 32 on the heat conduction pipe 3 can also effectively increase the heating area, the heat stored in the heat conduction pipe is increased to heat the air, and the heat preservation effect is achieved on the heating element and the air around the heating element.
Drawings
Fig. 1 is an exploded view of the parts of the heating device of the electronic cigarette in embodiment 1.
Fig. 2 is an enlarged view of parts of the heating device of the electronic cigarette in embodiment 1, wherein arrows indicate air flow directions.
Fig. 3 is an enlarged view of the upper part of the heating device of the electronic cigarette, an axial cross-sectional view and a radial cross-sectional view of the heat pipe 3 in embodiment 1.
Figure 4 is an axial cross-sectional schematic view of the electronic cigarette heating device in embodiment 1.
Fig. 5 is an enlarged view of a part of a heating device of the background art non-contact heating type, in which arrows indicate air flow directions.
List of reference numerals:
1. the vacuum heating device comprises a suction nozzle, 2, an upper heating cup cover, 21, an air outlet, 24, a first upper hollow cylinder, 241, a first air inlet hole, 251, a second air inlet hole, 25, a second upper hollow cylinder, 26, a third upper hollow cylinder, 3, a heat conduction pipe, 31, a third air inlet hole, 32, an inner flange, 4, a heating element, 5, a lower heating cup cover, 51, a first lower hollow cylinder, 52, a middle boss, 6, a scheme board, 7, an electric core, 8, a battery shell, 5-11, an air inlet hole, 5-2, a spiral ring, 5-21, a spiral ring air inlet hole, 5-3 and a heating wire.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Example 1
Referring to fig. 1-4, a heat-insulating and heat-preserving non-contact electronic cigarette heating device comprises the following components: the device comprises a suction nozzle 1, a heating cup upper cover 2, a heat conduction pipe 3, a heating element 4, a heating cup lower cover 5, a scheme board 6, a battery core 7 and a battery shell 8.
The electronic cigarette heating device is integrally in a strip shape and sequentially comprises a suction nozzle 1, a heating cup upper cover 2, a heating cup lower cover 5 and a battery shell 8 which are detachably connected from top to bottom.
The heat conduction pipe 3 is a metal pipe having a hollow tubular structure.
The upper cover 2 of the heating cup comprises a second upper hollow cylinder 25 and a first upper hollow cylinder 24 surrounding the periphery of the second upper hollow cylinder, the lower ends of the two cylinders are open, the upper ends of the two cylinders are provided with upper end faces, the upper end faces of the two cylinders are partially overlapped, and the upper end face of the second hollow cylinder 25 is provided with 2 air outlet holes 21.
The lower cover 5 of the heating cup comprises a first lower hollow cylinder 51 with an open upper end and a closed lower end, the outer diameter of the first lower hollow cylinder 51 is smaller than the inner diameter of the first upper hollow cylinder 24, and the inner diameter of the first lower hollow cylinder 51 is larger than the outer diameter of the second upper hollow cylinder 25. The lower end surface of the first lower hollow cylinder 51 has a radially protruding portion with respect to the first lower hollow cylinder 51, and the lower end surface of the first lower hollow cylinder 51 is formed with a central boss 52, and the outer diameter of the central boss 52 is equal to the outer diameter of the first upper hollow cylinder 24. The heating cup lower cover 5 is a hollow cylinder as a whole, and the middle boss 52 divides the hollow cylinder into an upper cylinder and a lower cylinder.
The gap between the lower end of the side wall of the heat conducting pipe 3 and the middle boss 52 forms 2 third air inlet holes 31. The gap between the lower end of the side wall of the first upper hollow cylinder 24 and the middle boss 52 forms 2 first air inlet holes 241 communicated with the outside air, and the gap between the lower end of the side wall of the second upper hollow cylinder 25 and the middle boss 52 forms 2 second air inlet holes 251.
The connection relationship among the above parts is as follows:
the heat conducting pipe 3 surrounds the periphery of the heating element 4, the second upper hollow cylinder 25 of the heating cup upper cover 2 surrounds the periphery of the heat conducting pipe 3, the first lower hollow cylinder 51 of the heating cup lower cover 5 is arranged between the first upper hollow cylinder 24 and the second upper hollow cylinder 25, a gap exists between the upper end part of the first lower hollow cylinder 51 and the upper end surface of the first upper hollow cylinder 24, and at least one air flow channel which is in air flow communication with the first air inlet 241, the second air inlet 251, the third air inlet 31 and the air outlet 21 is arranged among the first lower hollow cylinder 51, the first upper hollow cylinder 24 and the second upper hollow cylinder 25.
The heating cup lower cover 5 is detachably connected with a battery shell 8 below the heating cup lower cover, and the scheme board 6 and the battery core 7 are arranged in the battery shell 8.
The upper cover 2 of the heating cup further comprises a third upper hollow cylinder 26 arranged above the first upper hollow cylinder 24, the upper end of the third upper hollow cylinder 26 is open, the lower end face of the third upper hollow cylinder is partially overlapped with the upper end face of the first upper hollow cylinder 24, the air outlet 21 is communicated with the internal air flow of the third upper hollow cylinder 26, at least one part of a smoking article accommodating cavity is arranged in the third upper hollow cylinder 26, and external threads are arranged on the upper part of the outer wall of the third upper hollow cylinder 26.
The electronic cigarette heating device further comprises a suction nozzle 1, wherein the lower part of the inner wall of the suction nozzle is provided with an internal thread matched with the external thread and is in threaded connection with the third upper hollow cylinder 26. The interior of the mouthpiece 1 is in air flow communication with the interior of the third upper hollow cylinder 26.
The heating element 4 is a spiral heating wire.
The inner wall of the heat conducting pipe 3 has a plurality of inner flanges 32 distributed circumferentially along the inner wall. The inner flange 32 extends axially along the inner wall of the heat conductive pipe 3.
Wherein the suction nozzle 1 takes on the function of suction; the upper cover 2 of the heating cup takes the functions of bearing smoking articles and providing an airflow channel; the heat conduction pipe 3 plays a role in heat preservation; the heating wire is used as a heat source for heating air; the lower cover 5 of the heating cup has the functions of fixing the heating wire and providing an airflow channel; the case board 6 provides a function control function; the battery cell 7 provides energy for the device; the battery case 8 serves to fix and protect internal components.
Example 2
The method of using the electronic cigarette heating device of embodiment 1, comprising the steps of:
removing the suction nozzle 1, placing a smoking article in the smoking article accommodating cavity in the third upper hollow cylinder 26, and installing the suction nozzle 1;
the electronic cigarette heating device is started, the scheme board 6 controls the electric core 7 to provide electric energy for the heating wire, the heating element 4 starts to generate heat, and air in the heat conduction pipe 3 is heated;
when the suction nozzle 1 starts to suck, the outside air enters the electronic cigarette heating device from the first air inlet hole 241, enters the heat conduction pipe 3 through the second air inlet hole 251 and the third air inlet hole 31 along the airflow channel in sequence, is mixed with the hot air, enters the smoking article along the air outlet hole 21, is mixed with the smoke generated by the smoking article, and then flows out from the suction nozzle 1.
The air flow in the device flows in the mode as shown by the arrow in fig. 2, at the moment, the air is heated layer by the heating wire when flowing in the device, when the air flow passes through the area where the heating wire is located, the heating wire and the heated metal tube heat the air flow at the same time, finally, the hot air flow reaches the smoking article accommodating cavity through the upper air outlet hole 21 to heat the smoking article, and then the smoking article can be sucked through the suction nozzle 1.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a thermal-insulated heat preservation non-contact electron cigarette heating device which characterized in that, electron cigarette heating device includes following spare part: the heating cup comprises an upper heating cup cover (2), a heat conduction pipe (3), a heating element (4) and a lower heating cup cover (5);
wherein the heat conducting pipe (3) is a hollow tubular structure, the side wall of the heat conducting pipe is provided with at least one third air inlet hole (31) or the gap between the side wall of the heat conducting pipe (3) and the lower cover (5) of the heating cup forms at least one third air inlet hole (31);
the upper cover (2) of the heating cup comprises a second upper hollow cylinder (25) and a first upper hollow cylinder (24) surrounding the periphery of the second upper hollow cylinder, the lower ends of the two cylinders are open, the upper ends of the two cylinders are provided with upper end faces, the upper end surfaces of the two cylinders are partially overlapped, the upper end surface of the second upper hollow cylinder (25) is provided with at least one air outlet hole (21), the side wall of the first upper hollow cylinder (24) is provided with at least one first air inlet hole (241) communicated with the outside air or a gap between the side wall of the first upper hollow cylinder (24) and the lower cover (5) of the heating cup forms at least one first air inlet hole (241) communicated with the outside air, the side wall of the second upper hollow cylinder (25) is provided with at least one second air inlet hole (251) or a gap between the side wall of the second upper hollow cylinder (25) and the lower cover (5) of the heating cup forms at least one second air inlet hole (251);
the lower cover (5) of the heating cup comprises a first lower hollow cylinder (51) with an open upper end and a closed lower end, the lower end face of the first lower hollow cylinder (51) is provided with a radial protruding part relative to the first lower hollow cylinder (51), the outer diameter of the first lower hollow cylinder (51) is smaller than the inner diameter of the first upper hollow cylinder (24), and the inner diameter of the first lower hollow cylinder (51) is larger than the outer diameter of the second upper hollow cylinder (25);
the connection relationship among the above parts is as follows:
the heat conducting pipe (3) surrounds the periphery of the heating element (4), a second upper hollow cylinder (25) of the heating cup upper cover (2) surrounds the periphery of the heat conducting pipe (3), a first lower hollow cylinder (51) of the heating cup lower cover (5) is arranged between the first upper hollow cylinder (24) and the second upper hollow cylinder (25), a gap exists between the upper end of the first lower hollow cylinder (51) and the upper end face of the first upper hollow cylinder (24), and at least one air flow channel which is in air flow communication with the first air inlet hole (241), the second air inlet hole (251), the third air inlet hole (31) and the air outlet hole (21) is formed among the first lower hollow cylinder (51), the first upper hollow cylinder (24) and the second upper hollow cylinder (25).
2. The electronic cigarette heating device according to claim 1, wherein a smoking article receiving cavity in airflow communication with the air outlet hole (21) is above the upper heating cup cover (2).
3. The electronic cigarette heating device according to claim 1, wherein the upper heating cup cover (2) further comprises a third upper hollow cylinder (26) disposed above the first upper hollow cylinder (24), the upper end of the third upper hollow cylinder (26) is open, the lower end surface of the third upper hollow cylinder (26) is partially overlapped with the upper end surface of the first upper hollow cylinder (24), the air outlet hole (21) is in air flow communication with the inside of the third upper hollow cylinder (26), and the inside of the third upper hollow cylinder (26) is at least a part of a smoking article receiving cavity.
4. The electronic cigarette heating device according to claim 3, further comprising a mouthpiece (1) removably mounted above the third upper hollow cylinder (26).
5. The electronic cigarette heating device according to claim 1, wherein the heat conducting pipe (3) is a metal pipe or a metal alloy pipe, and the heating element (4) is a spiral heating wire.
6. The electronic cigarette heating device according to claim 1, characterized in that the inner wall of the heat conducting pipe (3) has several inner flanges (32) distributed circumferentially along the inner wall.
7. The electronic cigarette heating device according to claim 6, characterized in that the inner flange (32) extends axially along the inner wall of the heat conducting pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020779841.8U CN212414741U (en) | 2020-05-12 | 2020-05-12 | Heat-insulation non-contact electronic cigarette heating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020779841.8U CN212414741U (en) | 2020-05-12 | 2020-05-12 | Heat-insulation non-contact electronic cigarette heating device |
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| CN212414741U true CN212414741U (en) | 2021-01-29 |
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| CN202020779841.8U Active CN212414741U (en) | 2020-05-12 | 2020-05-12 | Heat-insulation non-contact electronic cigarette heating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449302A (en) * | 2020-05-12 | 2020-07-28 | 深圳市长能汇科科技有限公司 | Heat-insulation and heat-preservation non-contact electronic cigarette heating device and using method thereof |
| WO2024044903A1 (en) * | 2022-08-29 | 2024-03-07 | 深圳华宝协同创新技术研究院有限公司 | Aerosol generating apparatus and heating device thereof |
-
2020
- 2020-05-12 CN CN202020779841.8U patent/CN212414741U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449302A (en) * | 2020-05-12 | 2020-07-28 | 深圳市长能汇科科技有限公司 | Heat-insulation and heat-preservation non-contact electronic cigarette heating device and using method thereof |
| CN111449302B (en) * | 2020-05-12 | 2024-08-13 | 深圳市长能汇科科技有限公司 | Heat-insulating non-contact type electronic cigarette heating device and use method thereof |
| WO2024044903A1 (en) * | 2022-08-29 | 2024-03-07 | 深圳华宝协同创新技术研究院有限公司 | Aerosol generating apparatus and heating device thereof |
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