CN215347064U - Aerosol-generating device and susceptor for aerosol-generating device - Google Patents
Aerosol-generating device and susceptor for aerosol-generating device Download PDFInfo
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- CN215347064U CN215347064U CN202121380640.1U CN202121380640U CN215347064U CN 215347064 U CN215347064 U CN 215347064U CN 202121380640 U CN202121380640 U CN 202121380640U CN 215347064 U CN215347064 U CN 215347064U
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Abstract
The present application provides an aerosol-generating device and a susceptor for an aerosol-generating device; wherein the aerosol-generating device comprises: a chamber for receiving an aerosol-generating article; a magnetic field generator configured to generate a varying magnetic field; a susceptor configured to be penetrated by a varying magnetic field to generate heat to heat an aerosol-generating article; the susceptor is configured to extend at least partially within the chamber and includes: the first sensing part and the second sensing part are arranged along the length direction, and the first sensing part is detachably connected with the second sensing part; the aerosol-generating device provides retention of the susceptor by the second susceptor portion. The first sensing part of the susceptor of the above aerosol-generating device is removable in use to facilitate cleaning and replacement.
Description
Technical Field
The embodiment of the application relates to the field of electromagnetic induction type heating non-combustion smoking sets, in particular to an aerosol generation device and a receptor for the aerosol generation device.
Background
Smoking articles (e.g., cigarettes, cigars, etc.) burn tobacco during use to produce tobacco smoke. Attempts have been made to replace these tobacco-burning products by making products that release compounds without burning.
An example of such a product is a heating device that releases a compound by heating rather than burning the material. For example, the material may be tobacco or other non-tobacco products, which may or may not include nicotine. In the known devices, the heating element is fixedly mounted in the device, which is not easy to clean and replace.
SUMMERY OF THE UTILITY MODEL
An embodiment of the present application provides an aerosol-generating device configured to heat an aerosol-generating article to generate an aerosol; the method comprises the following steps:
a chamber for receiving an aerosol-generating article;
a magnetic field generator configured to generate a varying magnetic field;
a susceptor configured to be penetrated by a varying magnetic field to generate heat to heat an aerosol-generating article; the susceptor is configured to extend at least partially within the chamber and includes:
a first sensing part and a second sensing part which are arranged along the length direction, wherein the first sensing part is detachably connected with the second sensing part;
the aerosol-generating device provides retention of the susceptor by the second susceptor portion.
In a preferred embodiment, the surfaces of the first and second susceptor portions are in flat engagement.
In a preferred implementation, the first sensing portion has a first hollow;
the second susceptor portion extends at least partially into the first hollow.
In a preferred embodiment, the second sensing section has external threads formed on an outer surface thereof;
the first sensing portion includes internal threads formed on the first hollow interior surface and is adapted to mate with the external threads to form a removable connection with the second sensing portion.
In a preferred embodiment, the second susceptor portion has first and second segments that are opposite in length; the first section has an outer diameter less than the second section;
the external threads are formed on an outer surface of the first section.
In a preferred embodiment, the external and/or internal thread is a left-hand thread.
In a preferred implementation, a first galvanic wire and a second galvanic wire are arranged on the susceptor; the first thermocouple wire and the second thermocouple wire are made of different materials, and a thermocouple capable of sensing the temperature of the susceptor is formed between the first thermocouple wire and the second thermocouple wire.
In a preferred implementation, the second sensing portion has an upper end adjacent the first sensing portion;
the first electric coupling wire and/or the second electric coupling wire are/is connected to the upper end.
In a preferred implementation, the first galvanic wire and/or the second galvanic wire extend at least partially within the susceptor.
In a preferred implementation, the first galvanic wire and/or the second galvanic wire extend through the second sensing portion in the axial direction of the second sensing portion.
In a preferred implementation, the aerosol-generating device is configured to provide retention to the second experience portion.
In a preferred embodiment, the second sensing portion has a base extending radially outwardly therefrom, the aerosol-generating device providing retention of the second sensing portion by the base.
In a preferred implementation, the susceptor has a free front end located within the chamber, and an end opposite the free front end;
the first sensing portion defines the free front end and the second sensing portion defines the distal end.
In a preferred implementation, the first and second sensing portions have different rates of temperature rise when penetrated by a varying magnetic field.
In a preferred implementation, the first and second sensing portions have different curie point temperatures.
A further embodiment of the application also proposes a susceptor for an aerosol-generating device comprising a first susceptor portion and a second susceptor portion arranged in a length direction, the first susceptor portion being detachably connected to the second susceptor portion.
The first sensing part of the susceptor of the above aerosol-generating device is removable in use to facilitate cleaning and replacement.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Figure 1 is a schematic structural view of an aerosol-generating device provided by an embodiment of the present application;
FIG. 2 is a perspective view of the photoreceptor of FIG. 1 from one perspective;
FIG. 3 is a schematic cross-sectional view of a perspective of the susceptor of FIG. 2;
FIG. 4 is a schematic cross-sectional view of a perspective of the first sensing portion of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a perspective of the second sensing section of FIG. 3;
fig. 6 is a schematic diagram of the second sensing portion of fig. 3 coupled to a first electric couple wire and a second electric couple wire.
Detailed Description
To facilitate an understanding of the present application, the present application is described in more detail below with reference to the accompanying drawings and detailed description.
An embodiment of the present application provides an aerosol-generating device, the configuration of which can be seen in fig. 1, including:
a chamber within which an aerosol-generating article a is removably received;
a magnetic field generator, such as an inductor L, for generating a varying magnetic field under an alternating current;
a susceptor 30, at least a portion of which extends within the chamber and is configured to inductively couple with the inductor L to generate heat when penetrated by the varying magnetic field to heat an aerosol-generating article a, such as a cigarette, to volatilize at least one component of the aerosol-generating article a to form an aerosol for smoking;
the battery cell 10 is a rechargeable direct current battery cell and can output direct current;
the circuit 20, which is electrically connected to the rechargeable battery cell 10 by a suitable electrical connection, is used to convert the direct current output from the battery cell 10 into an alternating current with a suitable frequency, and then supply the alternating current to the inductance coil L.
The inductor L may comprise a helically wound cylindrical inductor coil, as shown in fig. 1, depending on the arrangement in use of the product. The helically wound cylindrical inductor L may have a radius r in the range of about 5mm to about 10mm, and in particular the radius r may be about 7 mm. The length of the helically wound cylindrical inductor L may be in the range of about 8mm to about 14mm, with the number of turns of the inductor L being in the range of about 8 to 15 turns. Accordingly, the internal volume may be about 0.15cm3To about 1.10cm3Within the range of (1).
In a more preferred implementation, the frequency of the alternating current supplied by the circuit 20 to the inductor L is between 80KHz and 400 KHz; more specifically, the frequency may be in the range of approximately 200KHz to 300 KHz.
In a preferred embodiment, the battery cell 10 provides a dc supply voltage in a range from about 2.5V to about 9.0V, and the battery cell 10 provides a dc current with an amperage in a range from about 2.5A to about 20A.
In a preferred embodiment, the susceptor 30 is generally in the shape of a pin or blade, which in turn is advantageous for insertion into the aerosol-generating article a; meanwhile, the susceptor 30 may have a length of about 12 mm, a width of about 4mm, and a thickness of about 0.5 mm, and may be made of grade 430 stainless steel (SS 430). As an alternative embodiment, the susceptor 30 may have a length of about 12 millimeters, a width of about 5 millimeters, and a thickness of about 0.5 millimeters, and may be made of grade 430 stainless steel (SS 430). In other variations, the susceptor 30 may also be configured in a cylindrical shape; the interior space is arranged, in use, to receive an aerosol-generating article a and to generate an aerosol for inhalation by heating the periphery of the aerosol-generating article a. The susceptor 30 may also be made of grade 420 stainless steel (SS420), as well as iron-nickel containing alloy materials such as permalloy.
In the embodiment shown in figure 1, the aerosol-generating device further comprises a support 40 for arranging the inductor L and/or susceptor 30, the material of the support 40 may comprise a high temperature resistant non-metallic material such as PEEK or ceramic, etc. In practice, the inductor L is fixed by being wound around the outer wall of the bracket 40. Also, according to the hollow tubular shape of the holder 40, as shown in fig. 1, the tubular hollow part space thereof forms the above-mentioned chamber for receiving the aerosol-generating article a.
In a preferred embodiment, the susceptor 30 is configured in detail, as shown in figures 2 to 4, in the form of an elongated pin or needle, in order to allow accurate monitoring of the temperature of the susceptor 30; includes a front end 310 and a rear end 320 opposite in a length direction; as shown in fig. 1, the front end 310 is a free end extending into the chamber and is configured in the shape of a pointed end for facilitating insertion into the aerosol-generating article a.
As further shown in fig. 2-4, the susceptor 30 further includes:
a first sensing part 31 and a second sensing part 32 arranged in this order in the length direction; wherein the first sensing portion 31 is located near the front end 310 and the second sensing portion 32 is located near the rear end 320.
In a preferred embodiment, the first and second sensing portions 31 and 32 are detachably connected.
In a preferred embodiment, the surfaces of the first and second susceptor portions 31 and 32 are joined flat.
In the preferred embodiment shown in fig. 2 and 3, the front end 310 is defined, when assembled, by the first sense portion 31 having a section 311 of progressively decreasing outer diameter, and by the section 311 of progressively decreasing outer diameter;
and, in the preferred embodiment shown in fig. 2 and 3, and with second susceptor portion 32 forming tip 320.
As shown in figures 2 and 3, the second susceptor portion 32 has a radially outwardly extending base 321 at the distal end 320, and in assembly the aerosol-generating device or holder 40 holds the susceptor 30 stably within the aerosol-generating device by gripping or holding the base 321. Further, when assembled, the second sensing portion 32 is secured and retained within the aerosol-generating device and the first sensing portion 31 is detachable or removable.
As further shown in fig. 3 and 4, the first sensing section 31 has a first hollow 312 extending in the axial direction; the first hollow 312 of course has an opening facing away from the front end 310. When assembled, second susceptor portion 32 extends at least partially into first hollow 312.
As further shown in fig. 5, second susceptor portion 32 has a first section 323 and a second section 322 of different outer diameters; wherein the first section 323 has an outer diameter smaller than that of the second section 322, and a step 325 is formed at a coupling portion thereof. Referring to fig. 3, in assembly, first section 323 extends into first hollow 312 of first sense portion 31. And by step 325 against first susceptor portion 31.
As further shown in fig. 4 and 5, the first sensing part 31 is provided with an internal thread 313 formed on the inner surface of the first hollow 312, and the second sensing part 32 is provided with an external thread 324 formed on the outer surface of the first section 323; the first and second sensor parts 31 and 32 are detachably connected by the internal thread 313 and the external thread 324 in assembly.
Further in a preferred embodiment, the internal thread 313 and/or the external thread 324 are left-handed threads, i.e., the direction of the thread of the internal thread 313 and/or the external thread 324 is counterclockwise. The use of left-handed threads may be advantageous to prevent loosening between the internal threads 313 and the external threads 324 during use or shock.
In a further preferred implementation, the number of the thread turns of the internal thread 313 and/or the external thread 324 can be 1-20; more preferably, the number of turns of the internal thread 313 and/or the external thread 324 is 2-8.
In other alternative embodiments, a buckle, a slot, etc. may be further disposed on the inner surface of the first hollow 312 of the first sensing part 31, and a protrusion, etc. corresponding to the outer surface of the first section 323 of the second sensing part 32 and capable of forming a detachable connection with the above buckle or slot is disposed on the outer surface of the first hollow section 323 of the first sensing part 31, so as to detachably connect the first sensing part 31 and the second sensing part 32.
The above susceptor 30, in use, allows the first susceptor portion 31 to be independently removed or removed for cleaning or replacement.
As further shown in fig. 3, 5 and 6, the second susceptor portion 32 has a second hollow 326 extending axially therethrough and an upper end 327 adjacent the first susceptor portion 31. The susceptor 30 further includes a first thermocouple wire 331 and a second thermocouple wire 332, the first thermocouple wire 331 and the second thermocouple wire 332 are connected to the upper end 327 by welding, such as laser welding, resistance welding or argon arc welding, and are made of different thermocouple materials, so as to form a thermocouple therebetween for sensing the temperature of the susceptor 30.
For example, in an alternative implementation, the first thermocouple wire 331 is used as a positive electrode of the thermocouple, and the second thermocouple wire is used as a negative electrode of the thermocouple, and the positive electrode may be made of a nichrome wire, and the negative electrode may be made of a nickel-silicon alloy wire, so as to form a K-type thermocouple.
As further shown in fig. 3 and 6, a first thermocouple wire 331 and a second thermocouple wire 332 are attached to the upper end 327 and extend through the second hollow 326 of the second sensing portion 32 to the outside of the distal end 320 for connection to the circuit 20 for temperature sampling.
In a preferred implementation, the surfaces of the first galvanic wire 331 and the second galvanic wire 332 can be insulated by spraying or plating an insulating layer.
In yet another alternative implementation, the first galvanic wire 331 and the second galvanic wire 332 are made of two different materials of galvanic couple materials such as nickel, nickel-chromium alloy, nickel-silicon alloy, nickel-chromium-copper alloy, constantan, and iron-chromium alloy.
As further shown in fig. 4, the length dimension d1 of the first sensing portion 31 is approximately 13mm and the extension length d2 of the first hollow 312 is 5.7 mm.
As further shown in fig. 5, the length dimension d3 of the second sensing portion 32 is approximately 11mm, and the extension length d4 of the first section 323 is 5.5 mm.
After assembly, the susceptor 30 is formed to have a length of about 18.5mm, and only a portion of the outer surface of the second susceptor portion 32 is exposed outside the first susceptor portion 31. The exposed surface of the second susceptor portion 32 extends for a length of about 5.5mm and less than one third of the length of the susceptor 30 along the axis of the susceptor 30.
When assembled, first thermocouple wire 331 and second thermocouple wire 332, which are attached to upper end 327 of second sensing section 32, are abutted against the inner top wall of first hollow 312 of first sensing section 31.
In a further more preferred embodiment, the first susceptor portion 31 and the second susceptor portion 32 of the susceptor 30 are made of the same susceptor material.
In yet another alternative embodiment, the first susceptor portion 31 and the second susceptor portion 32 of the susceptor 30 are made of different susceptor materials. In use the first and second susceptor parts 31, 32 have different heating rates. For example, in an alternative implementation, the first sensing portion 31 has a Curie point temperature greater than that of the second sensing portion 32. Or in yet another alternative implementation, the first sensing portion 31 has a greater rate of temperature rise, in use, when penetrated by a varying magnetic field than the second sensing portion 32.
In a further preferred embodiment, the surface of the first susceptor part 31 of the susceptor 30 is coated by deposition, spraying or the like, and the coating may be made of gold. The coating is gold and is heat soaked at the surface of the first susceptor part 31 by the high thermal conductivity of gold to provide heat exchange efficiency between the first susceptor part 31 and the aerosol-generating article a.
Or in other variations, the coating on the surface of first susceptor portion 31 may be silver, silicon carbide, glass, glaze, or the like. The glaze coating has the characteristics of relatively low surface free energy and easiness in cleaning, and deposition or adhesion of slag or condensate and the like of the aerosol generating product A on the surface is reduced; whilst the radiation efficiency of the glaze is higher than that of the soft magnetic metal/alloy, the release of the flavourant or aroma substances within the aerosol-generating article a may be enhanced.
In yet another embodiment, the surface of second susceptor portion 32 is free of the above-described coating.
It should be noted that the description and drawings of the present application illustrate preferred embodiments of the present application, but are not limited to the embodiments described in the present application, and further, those skilled in the art can make modifications or changes according to the above description, and all such modifications and changes should fall within the scope of the claims appended to the present application.
Claims (15)
1. An aerosol-generating device configured to heat an aerosol-generating article to generate an aerosol, comprising:
a chamber for receiving an aerosol-generating article;
a magnetic field generator configured to generate a varying magnetic field;
a susceptor configured to be penetrated by a varying magnetic field to generate heat to heat an aerosol-generating article; the susceptor is configured to extend at least partially within the chamber and includes:
a first sensing part and a second sensing part which are arranged along the length direction, wherein the first sensing part is detachably connected with the second sensing part;
the aerosol-generating device provides retention of the susceptor by the second susceptor portion.
2. An aerosol-generating device according to claim 1, wherein the surfaces of the first and second sensing portions are in flat engagement.
3. An aerosol-generating device according to claim 1 or 2, wherein the first feel portion has a first hollow;
the second susceptor portion extends at least partially into the first hollow.
4. An aerosol-generating device according to claim 3, wherein the second sensing portion has external threads formed on an outer surface thereof;
the first sensing portion includes internal threads formed on the first hollow interior surface and is adapted to mate with the external threads to form a removable connection with the second sensing portion.
5. The aerosol-generating device of claim 4, wherein the second susceptor portion has first and second segments that are opposite along a length direction; the first section has an outer diameter less than the second section;
the external threads are formed on an outer surface of the first section.
6. An aerosol-generating device according to claim 4, wherein the external and/or internal threads are left-handed threads.
7. An aerosol-generating device according to claim 1 or 2, wherein the susceptor is provided with a first galvanic wire and a second galvanic wire; the first thermocouple wire and the second thermocouple wire are made of different materials, and a thermocouple capable of sensing the temperature of the susceptor is formed between the first thermocouple wire and the second thermocouple wire.
8. The aerosol-generating device of claim 7, wherein the second susceptor portion has an upper end adjacent the first susceptor portion;
the first electric coupling wire and/or the second electric coupling wire are/is connected to the upper end.
9. The aerosol-generating device of claim 7, wherein the first galvanic wire and/or the second galvanic wire extend at least partially within the susceptor.
10. The aerosol-generating device of claim 7, wherein the first galvanic wire and/or the second galvanic wire extend through the second sensing portion in an axial direction of the second sensing portion.
11. An aerosol-generating device according to claim 1 or 2, wherein the second sensing portion has a base extending radially outwardly through which the aerosol-generating device provides retention for the second sensing portion.
12. An aerosol-generating device according to claim 1 or 2, wherein the susceptor has a free front end located within the chamber and a terminal end opposite the free front end;
the first sensing portion defines the free front end and the second sensing portion defines the distal end.
13. An aerosol-generating device according to claim 1 or 2, wherein the first and second sensing portions have different rates of temperature rise when penetrated by the varying magnetic field.
14. An aerosol-generating device according to claim 1 or 2, wherein the first and second sensing portions have different curie point temperatures.
15. A susceptor for an aerosol-generating device comprising a first susceptor portion and a second susceptor portion arranged lengthwise, the first susceptor portion being removably attached to the second susceptor portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121380640.1U CN215347064U (en) | 2021-06-21 | 2021-06-21 | Aerosol-generating device and susceptor for aerosol-generating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121380640.1U CN215347064U (en) | 2021-06-21 | 2021-06-21 | Aerosol-generating device and susceptor for aerosol-generating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037335A1 (en) * | 2022-08-18 | 2024-02-22 | 深圳市合元科技有限公司 | Aerosol generating apparatus and heater for aerosol generating apparatus |
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2021
- 2021-06-21 CN CN202121380640.1U patent/CN215347064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037335A1 (en) * | 2022-08-18 | 2024-02-22 | 深圳市合元科技有限公司 | Aerosol generating apparatus and heater for aerosol generating apparatus |
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