CN113662269B - Air heating structure and electron cigarette with little spiral air flow channel - Google Patents
Air heating structure and electron cigarette with little spiral air flow channel Download PDFInfo
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- CN113662269B CN113662269B CN202110961053.XA CN202110961053A CN113662269B CN 113662269 B CN113662269 B CN 113662269B CN 202110961053 A CN202110961053 A CN 202110961053A CN 113662269 B CN113662269 B CN 113662269B
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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
- A24F40/46—Shape or structure of electric heating means
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Abstract
The invention belongs to the technical field of heating non-combustion electronic cigarettes, and discloses an air heating structure with a micro-spiral airflow channel and an electronic cigarette, wherein the air heating structure is suitable for heating non-combustion electronic cigarettes and comprises a heating body, the heating body is a regular body and comprises an upper surface and a lower surface which are opposite, and a first side surface and a second side surface which are respectively connected with the upper surface and the lower surface, and the first side surface and the second side surface are respectively used for being connected with an electrode plate or another heating body; a winding micro-spiral airflow channel is formed in the heating body, penetrates through the upper surface and the lower surface and is used for allowing airflow to pass through, and the airflow is heated to a preset temperature when flowing through the micro-spiral airflow channel. The invention prolongs the heating time of the airflow, fully heats the airflow in the flowing process, has higher heating efficiency, and has the advantages of easy processing, compact size and long service life.
Description
Technical Field
The invention belongs to the technical field of heating non-combustion electronic cigarettes, and particularly relates to an air heating structure with a micro-spiral airflow channel and an electronic cigarette.
Background
The electronic cigarette is a tobacco product simulating a cigarette, and the effect of the cigarette is achieved by connecting a battery with a heating body, heating novel tobacco at a relatively low temperature and releasing smoke. Because the heating temperature is lower, the release amount of harmful substances such as tar is less, the harm to smokers is less, and the release amount of surrounding smoke is also less.
The heating of the non-burning electronic cigarette is usually completed by a ceramic heating element or a heating wire, and there are usually two modes of direct contact heating and indirect contact heating. Direct contact heating carries out direct contact with heat-generating body and pipe tobacco, and heating efficiency is higher, nevertheless leads to local burnt paste easily, and the impurity adheres to easily on the heat-generating body simultaneously, reduces heat transfer effect, needs in time to clear up.
The indirect contact heater heats air at first usually, and then by air heating tobacco, avoided the trouble problem of heat-generating body clearance, nevertheless because the outside air temperature is lower, it is great to heat to appointed temperature range degree of difficulty, very easily appear heating inhomogeneous and the speed of cigarette is slow, the problem that the heat utilization efficiency is not high.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides an air heating structure with a micro-spiral airflow channel and an electronic cigarette, wherein the air heating structure comprises a heating body, the micro-spiral airflow channel is formed in the heating body, air is fully and uniformly heated after flowing through the heating body through the micro-spiral airflow channel, the heating speed is high, the required electric power is low, and a heating body array formed by connecting the heating bodies in series has the characteristics of uniform heating and high heating efficiency.
In order to achieve the above object, according to an aspect of the present invention, there is provided an air heating structure having a micro-spiral airflow channel, the air heating structure being suitable for heating a non-combustible electronic cigarette, and including a heating element, the heating element being a regular body and including an upper surface and a lower surface which are opposite to each other, and a first side surface and a second side surface which are respectively connected to the upper surface and the lower surface, the first side surface and the second side surface being respectively used for connecting an electrode pad or another heating element;
a winding micro-spiral airflow channel is formed in the heating body, penetrates through the upper surface and the lower surface and is used for allowing airflow to pass through, and the airflow is heated to a preset temperature when flowing through the micro-spiral airflow channel.
Further, the diameter of the micro-spiral airflow channel is hundreds of microns.
Further, the diameter of the micro-spiral airflow channel is smaller than 0.5mm, the length of the micro-spiral airflow channel is larger than three times of the height of the heating element, and the height of the heating element is equal to the distance between the upper surface and the lower surface.
Furthermore, the number of the heating bodies is one, and the first side surface and the second side surface are respectively provided with an electrode plate.
Further, the number of the heating bodies is multiple, and the plurality of heating bodies are arranged into a heating body array; a predetermined number of the heat generating bodies are arranged in a row in a first direction, a plurality of rows of the heat generating bodies are arranged in a second direction, and the first direction is perpendicular to the second direction; each row of heating bodies are made into a long heating monomer by adopting an integral forming method.
Furthermore, the air heating structure further comprises a plurality of insulating layers and a plurality of electrode plates, and the insulating layers are arranged between the adjacent strip heating monomers; the two ends of the long heating monomer are respectively connected with the electrode plates, and the electrode plates are connected with the corresponding long heating monomer and the corresponding insulating layer.
Further, the resistance of the heating element array is 0.2 Ω to 2 Ω.
According to another aspect of the present invention, there is provided an electronic cigarette comprising a body and an air heating structure having a micro-spiral airflow channel as described above, the air heating structure being connected to the body.
Generally speaking, compared with the prior art, the air heating structure with the micro-spiral airflow channel and the electronic cigarette provided by the invention have the following beneficial effects:
1. the heating body is internally provided with a winding micro-spiral airflow channel which is used for allowing airflow to pass through, and the heating efficiency is higher because the heating time of the airflow is prolonged and the airflow is fully heated in the flowing process.
2. The diameter of the micro-spiral airflow channel is hundred microns, the resistance of the heating element array is 0.2-2 omega, and the micro-spiral airflow channel is suitable for most battery systems and has high applicability.
3. The diameter of the micro-spiral airflow channel is less than 0.5mm, the length of the micro-spiral airflow channel is more than three times of the height of the heating element, the heat exchange length of the airflow can be effectively increased, the heating efficiency is improved, the temperature of the outlet air is ensured to be between 180 ℃ and 200 ℃, and the temperature distribution of the airflow has high uniformity; meanwhile, the spiral flow channel can effectively control the airflow resistance, and the flow rate of the monomer gas exceeds 1.55ml/s and the flow rate of the array gas exceeds 100ml/s through simulation and experimental verification, so that the suction requirement can be met.
4. Each row of heating bodies are made into strip heating monomers by adopting an integral forming method, so that the problems of infirm connection, large contact resistance and poor reliability caused by the connection of a plurality of monomers are solved.
5. The insulating layer is arranged between the strip heating monomers, circuit arrangement is facilitated, and thermal crosstalk caused by abnormal temperature rise due to blocking of a single monomer runner is avoided.
6. The air heating structure has the advantages of easy processing, compact size and long service life.
Drawings
FIG. 1 is a schematic structural view of a heat-generating body of an air heating structure with a micro-spiral air flow channel provided by the present invention;
FIG. 2 is a schematic view of a micro-spiral air flow path of the heat-generating body in FIG. 1;
FIG. 3 is a schematic view of a heat generating element array composed of the heat generating elements in FIG. 1;
FIG. 4 is a partial schematic view of a heat generating body array in FIG. 3;
fig. 5 is a schematic view showing the operation of the heat generating body array in fig. 3.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: 1-long strip heating monomer, 11-heating element, 12-micro spiral airflow channel, 13-airflow outlet, 14-airflow inlet, 15-first side surface, 16-second side surface, 2-electrode plate and 3-insulating layer.
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. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, the air heating structure with a micro-spiral airflow channel provided by the present invention includes a heating element 11, where the heating element 11 is a regular body and includes an upper surface, a lower surface, and a first side surface 15 and a second side surface 16, which are respectively connected to the upper surface and the lower surface, and both the first side surface 15 and the second side surface 16 are used to connect an electrode sheet 2 or another heating element 11.
The heating element 11 is provided with a micro-spiral airflow channel 12, the micro-spiral airflow channel 12 penetrates through the upper surface and the lower surface, and an airflow inlet 14 and an airflow outlet 13 are formed on the upper surface and the lower surface respectively. Wherein, the winding micro-spiral airflow channel 12 effectively increases the heat exchange time of the air, and has higher heating efficiency.
In the present embodiment, the heating element 11 is a rectangular heating element which is an electric heating element; the heating body 11 is made of conductive materials, such as nickel-chromium alloy, conductive ceramics and the like; the diameter of the micro-spiral airflow channel 12 is hundred microns, preferably, the diameter of the micro-spiral airflow channel 12 is smaller than 0.5mm, and the length is greater than three times of the height of the heating element 11, so that the heat exchange length of the airflow can be effectively increased, the heating efficiency is improved, the air temperature at the airflow outlet 13 is ensured to be between 180 ℃ and 200 ℃, and the airflow temperature distribution has high uniformity; meanwhile, the micro-spiral airflow channel 12 can effectively control airflow resistance, and tests prove that the airflow of the heating body 11 exceeds 1.55ml/s, the airflow of the array exceeds 100ml/s, and the pumping requirement can be met.
In this embodiment, the number of the heating elements 11 is 1, the first side surface 15 and the second side surface 16 are respectively provided with electrode tabs 2, and the electrode tabs 2 are used for connecting with an external power supply. The heating elements 11 can be used by forming an array, and the arrangement mode adopted can be series connection, parallel connection or series-parallel connection.
Referring to fig. 3, 4 and 5, in another embodiment, the number of the heating elements 11 is plural, the plural heating elements 11 are arranged in an array, specifically, a predetermined number of the heating elements 11 are arranged in a row along a first direction, the plural rows of the heating elements 11 are arranged along a second direction, the first direction is perpendicular to the second direction, and the first side surface 15 and the second side surface 16 are arranged along the first direction. The air heating structure further comprises at least one insulating layer 3 and a plurality of electrode plates 2, the electrode plates 2 are respectively arranged at two ends of each row of heating bodies 11 along the first direction, the insulating layers 3 are arranged between the adjacent rows of heating bodies 11 to block the adjacent heating bodies 11, and the heating bodies 11 are conveniently connected in series and in parallel. The electrode plate 2 and the heating body 11 are integrally formed through welding or laser 3D printing, and the length, the width and the height of the electrode plate 2 are 1 mm-1.5 mm.
In this embodiment, the insulating layer 3 is made of insulating ceramic or silicon dioxide; the plurality of heating elements 11 are connected together in series-parallel connection, and in order to simplify the manufacturing process, the heating elements in the same row are integrally formed to form a long strip-shaped heating monomer 1, and the long strip-shaped heating monomers 1 are arranged in series-parallel connection. Adjacent be provided with between the rectangular monomer 1 that generates heat insulating layer 3 is convenient for carry out circuit arrangement, avoid simultaneously because of single rectangular monomer 1 runner that generates heat blocks up then the thermal crosstalk that the intensification is unusual to cause. The insulating layer 3 and the long heating monomer 1 are tightly fixed by the welded electrode slice 2, so that the reliability is high; the resistance of the heating element array can be adjusted between 0.2 omega and 2 omega, and the heating element array is suitable for most battery systems.
The invention also provides an electronic cigarette, which comprises a body and the air heating structure with the micro-spiral airflow channel, wherein the air heating structure is connected to the body.
It will be understood by those skilled in the art that the foregoing is only an exemplary embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, since various modifications, substitutions and improvements within the spirit and scope of the invention are possible and within the scope of the appended claims.
Claims (5)
1. An air heating structure with a micro-spiral airflow channel is characterized in that:
the air heating structure is suitable for heating a non-combustible electronic cigarette and comprises a heating body, wherein the heating body is a regular body and comprises an upper surface and a lower surface which are opposite, and a first side surface and a second side surface which are respectively connected with the upper surface and the lower surface, and the first side surface and the second side surface are respectively used for connecting an electrode plate or another heating body; the heating body is an electric heating body, and the material of the heating body is a conductive material; the electrode plate is used for being connected with an external power supply;
a winding micro-spiral airflow channel is formed in the heating body, penetrates through the upper surface and the lower surface and is used for allowing airflow to pass through, and the airflow is heated to a preset temperature when flowing through the micro-spiral flow channel; the diameter of the micro-spiral airflow channel is smaller than 0.5mm, the length of the micro-spiral airflow channel is larger than three times of the height of the heating element, and the height of the heating element is equal to the distance between the upper surface and the lower surface.
2. An air heating structure having a micro-spiral air flow channel as claimed in claim 1, wherein: the number of the heating bodies is one, and the first side face and the second side face are respectively provided with an electrode plate.
3. An air heating structure having a micro-spiral air flow channel as claimed in claim 1, wherein: the number of the heating bodies is multiple, and the heating bodies are arranged into a heating body array; a predetermined number of the heat generating bodies are arranged in a row in a first direction, a plurality of rows of the heat generating bodies are arranged in a second direction, and the first direction is perpendicular to the second direction; each row of heating bodies are made into a long heating monomer by adopting an integral forming method.
4. An air heating structure having a micro-spiral air flow channel as claimed in claim 3, wherein: the air heating structure also comprises a plurality of insulating layers and a plurality of electrode plates, and the insulating layers are arranged between the adjacent strip heating monomers; the two ends of the long strip heating monomer are respectively connected with the electrode plates, and the electrode plates are connected with the corresponding long strip heating monomer and the corresponding insulating layer.
5. An air heating structure having a micro-spiral air flow channel as claimed in claim 3, wherein: the resistance of the heating element array is 0.2-2 omega.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110961053.XA CN113662269B (en) | 2021-08-20 | 2021-08-20 | Air heating structure and electron cigarette with little spiral air flow channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110961053.XA CN113662269B (en) | 2021-08-20 | 2021-08-20 | Air heating structure and electron cigarette with little spiral air flow channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113662269A CN113662269A (en) | 2021-11-19 |
| CN113662269B true CN113662269B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110961053.XA Active CN113662269B (en) | 2021-08-20 | 2021-08-20 | Air heating structure and electron cigarette with little spiral air flow channel |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207476951U (en) * | 2017-09-25 | 2018-06-12 | 深圳市合元科技有限公司 | Gas heats smoke creating system |
| CN107713016A (en) * | 2017-10-10 | 2018-02-23 | 常州市派腾电子技术服务有限公司 | Airflow heating device, method for heating and controlling and electronic cigarette |
| CN210988230U (en) * | 2019-05-16 | 2020-07-14 | 厦门蜂涛陶瓷有限公司 | Non-contact electronic cigarette heater |
| CN112385895B (en) * | 2019-08-19 | 2024-10-18 | 湖南中烟工业有限责任公司 | Low-temperature baking smoking set with spiral air inlet at side edge |
| CN210809308U (en) * | 2019-08-30 | 2020-06-23 | 深圳市新宜康科技股份有限公司 | Spiral pipe air heating device and electronic cigarette using same |
| CN211431081U (en) * | 2019-12-03 | 2020-09-08 | 大湾汉唯(广州)医药科技集团有限公司 | Electronic smoking set |
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2021
- 2021-08-20 CN CN202110961053.XA patent/CN113662269B/en active Active
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