CN214486819U - Heating assembly and aerosol generating device - Google Patents
Heating assembly and aerosol generating device Download PDFInfo
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- CN214486819U CN214486819U CN202022860011.0U CN202022860011U CN214486819U CN 214486819 U CN214486819 U CN 214486819U CN 202022860011 U CN202022860011 U CN 202022860011U CN 214486819 U CN214486819 U CN 214486819U
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Abstract
The utility model relates to a heating component and an aerosol generating device, the heating component comprises a base and a heating element, a cavity which runs through the two ends of the base along the vertical direction is arranged in the base; the heating body is of an electrified integral heating structure, the lower end of the heating body extends into the cavity from one end of the base and does not exceed the other end of the base, and the part of the heating body located in the cavity is connected with the pins and is fixed with the base through insulating materials filled in the cavity. The utility model discloses because the part that heat-generating body and pin are connected is fixed by insulating material parcel, makes the heat-generating body pass through high temperature resistance insulating material and base fixed connection, can avoid the problem that the pin drops from the heat-generating body, has strengthened the joint strength of heat-generating body and pin, has improved heating element's reliability, has improved heating element's life greatly, has improved the efficiency when heating element installs simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the aerosol device, especially, relate to a heating element and aerosol generating device.
Background
The heating non-combustion device is used as a novel releasable aerosol product, the temperature of the generated aerosol is reduced from 800 ℃ to about 400 ℃, and harmful substances such as tar, carbon monoxide and the like in the aerosol are obviously reduced, so that the concept that people pursue healthy life is conformed.
The heat source of the mainstream non-combustion heating device in the market at present is mainly characterized in that metal slurry such as gold, silver, platinum, nickel and the like is printed on a sheet-type or needle-type ceramic substrate, a metal conductive track with a certain resistance value is formed after sintering, and heat generated by the conductive track is transferred to the whole substrate after electrification, so that the aerosol forming substrate is heated to generate aerosol for a user to suck.
As shown in fig. 1, a conventional heating element using a conductive trace printed on a substrate is generally fixed on a base by passing through a portion of the conductive trace printed on the substrate, and the heating value increases as the heating element is closer to the upper end, and the portion passing through the lower end of the substrate is electrically connected to a control circuit board of the apparatus through a connection pin, but such a structure has the following problems: firstly, the heating temperature uniformity of the heating element is difficult to ensure, the consistency of the released aerosol is poor, and the use requirements of people cannot be met; secondly, because the lower extreme of heat-generating body is fixed the pin after wearing out from the base, its pin drops from the heat-generating body easily and leads to the device to break down and can not normally use, influences the life of device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve not enough among the prior art to a certain extent at least, provide a heating element and aerosol generating device.
In order to achieve the above object, an embodiment of the present invention provides a heating assembly, including:
the device comprises a base, wherein a cavity penetrating through two ends of the base along the vertical direction is formed in the base;
the heating body, the heating body is the whole heating structure of circular telegram, the lower extreme of heating body is followed the one end of base extends to get into the cavity and not exceed the other end of base, the heating body is located part in the cavity is connected with the pin to through filling into insulating material in the cavity realizes with the base is fixed.
Preferably, the insulating substance is a thermosetting polymer, epoxy resin, silicone resin or glass cement.
Preferably, the heating body is integrally made of a conductive ceramic material or formed by stacking a plurality of conductive layers and a plurality of insulating layers at intervals and integrally sintering.
Preferably, the cavity comprises an upper accommodating cavity and a lower accommodating cavity which are small in top and large in bottom and are communicated with each other, a connecting part which is limited by the upper accommodating cavity and is accommodated in the lower accommodating cavity is formed in the part of the heating element in the cavity, and the pins are connected to the connecting part; the upper containing cavity and the lower containing cavity are filled with the insulating substances.
Preferably, the heating body includes a main body and a protrusion, the protrusion is located between the main body and the connection part, and the protrusion is stopped at a step formed between the upper receiving chamber and the lower receiving chamber.
Preferably, the shape of the upper receiving cavity matches the shape of the main body, and the lower receiving cavity is cylindrical and can receive the protrusion and the connecting part.
Preferably, the heating element is provided with a through groove penetrating through the front surface and the back surface of the heating element, one end of the through groove extends to the lower end of the heating element, the other end of the through groove is close to the upper end of the heating element, the connecting parts are respectively formed at two sides of the lower end of the heating element, and the two pins connected to the connecting parts have opposite polarities.
Preferably, the through groove is filled with an insulating material, and the insulating material filled in the through groove and the insulating material filled in the cavity are integrally molded.
Preferably, a connecting hole is formed in the connecting part, and the pin is hung on the heating body through the connecting hole in a penetrating mode and is fixed through silver paste in a welding mode.
Preferably, a connecting notch is formed in the connecting portion, and the pins are wound on the connecting notch and fixed through silver paste in a welding mode.
The embodiment of the utility model provides a still provide an aerosol generating device, including the casing and set up control circuit board, power supply and as above in the casing heating element, control circuit board respectively with power supply and heating element's the heat-generating body electricity is connected.
From the above-mentioned embodiment of the present invention, it can be known that there are following advantages:
according to the heating element of this embodiment, because the part that heat-generating body and pin are connected is fixed by insulating material parcel, makes the heat-generating body pass through high temperature resistant insulating material and base fixed connection, can avoid the problem that the pin drops from the heat-generating body, has strengthened the joint strength of heat-generating body and pin, has improved heating element's reliability, has improved heating element's life greatly, has improved the efficiency when heating element installs simultaneously.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a conventional heat generating component;
fig. 2 is a schematic structural diagram of an embodiment of the heating element of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a block diagram of the base of FIG. 2;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is a diagram showing a connection structure of the heater and the lead in FIG. 2;
fig. 7 is a connection structure diagram of another example of the heating element and the pin according to the embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model provides an aerosol generating device, which comprises a shell, a control circuit board, a power supply and a heating component, wherein the control circuit board, the power supply and the heating component are arranged in the shell; specifically, one end of the shell is provided with an opening for inserting the aerosol-forming substrate, the heating component comprises a heating element arranged at the bottom in the opening and electrically connected with the control circuit board, and the control circuit board is used for controlling the operation of the heating element; when the aerosol-forming substrate is inserted from the opening and contacts with the heating element, the power supply can supply power to the heating element through the control circuit board, so that the heating element heats the aerosol-forming substrate to generate aerosol for a user to suck. The power supply is, for example, a battery, which provides an output voltage of, for example, 2.0-5.0V.
Referring to fig. 2 and 3, a heating assembly according to an embodiment of the present invention includes a base 20 and a heating element 10, wherein a cavity 21 is formed in the base 20 and penetrates through two ends of the base in a vertical direction; the heating element 10 is an electrified integral heating structure, the lower end of the heating element 10 extends into the cavity 21 from one end of the base 20 and does not exceed the other end of the base 20, the part of the heating element 10 positioned in the cavity 21 is connected with the pin 30, the heating element is fixed with the base 20 through the insulating material 40 filled in the cavity 21, and the insulating material 40 wraps the part of the heating element 10. The insulating material 40 is a high-temperature insulating material such as thermosetting polymer, epoxy resin, silicone resin, or glass cement, and preferably a glass cement filler is used in this embodiment.
Specifically, the heating element 10 is integrally made of a conductive ceramic material or formed by stacking a plurality of conductive layers and a plurality of insulating layers at intervals and integrally sintering; the aerosol-forming substrate is a columnar aerosol-generating product made of materials such as tobacco shreds, tobacco plant particles, plant fragments or tobacco paste, when the aerosol-forming substrate is inserted through an opening on the shell so that the heating element 10 is at least partially inserted into the aerosol-forming substrate, the control circuit board controls the power supply to supply power to the heating element 10 so as to electrify the heating element 10 and integrally generate heat to generate heat, so that the aerosol-forming substrate is heated to generate aerosol, the uniform heating temperature distribution of the heating element 10 is ensured, and the columnar aerosol-forming substrate has the characteristics of temperature rising blocks, high thermal efficiency, high thermal conductivity and the like.
According to the heating component of the embodiment, because the part of the heating element 10 connected with the pin 30 is wrapped and fixed by the insulating material 40, the heating element 10 is fixedly connected with the base 20 through the high-temperature-resistant insulating material 40, so that the problem that the pin 30 falls off from the heating element 10 can be avoided, the connection strength of the heating element 10 and the pin 30 is enhanced, the reliability of the heating component is improved, and the service life of the heating component is greatly prolonged; meanwhile, the heat generated by the heating element 10 can be isolated through the high-temperature-resistant insulating substance 40, so that the heat is reduced from being transferred to the battery pole direction of the aerosol generating device, and the safety of electronic components of the aerosol generating device is guaranteed.
In one embodiment, as shown in fig. 4 and 5, the chamber 21 includes an upper receiving chamber 211 and a lower receiving chamber 212 which are large at the top and small at the bottom and are communicated with each other, a connecting portion 11 defined by the upper receiving chamber 211 and received in the lower receiving chamber 212 is formed at a portion of the heating element 10 in the chamber 21, and the leads 30 are connected to the connecting portion 11.
In order to clearly show the design intent of the structure of the present invention, fig. 4 shows only a schematic view of the fixing hole of the accommodating heating element formed after the upper accommodating cavity 211 is filled with the insulating material 40, in practical application, the upper accommodating cavity 211 and the lower accommodating cavity 212 are filled with the insulating material 40 which are connected to each other; since the heating element 10 in this embodiment is of an integral conductive structure, if the inner wall of the upper receiving cavity 211 directly contacts with the heating element 10, the heat generated by the heating element 10 is transferred to the base 20 through the inner wall of the upper receiving cavity 211, and the temperature of the base 20 is further affected, so that the heat insulation effect between the heating element 10 and the electronic components in the aerosol generating device is affected; in the present embodiment, the insulating material 40 is added to the upper receiving cavity 211, so that the heating element 10 is separated from the inner wall of the upper receiving cavity 211 by the insulating material 40, and the heat generated by the heating element 10 is limited, thereby protecting the electronic components of the aerosol generating device.
In addition, when the heating element 10 is assembled with the base 20, the connection part 11 is restricted to be positioned in the lower receiving cavity 212, and then the melted insulating material 40 is poured into the upper receiving cavity 211 and the lower receiving cavity 212, and the heating element 10 and the base 20 are fixed after the insulating material 40 is cooled and solidified, so that the heating element 10 is not easy to shake left and right, and the fixing of the heating element 10 is more firm and reliable.
Preferably, the heating element 10 includes a main body 12 and a protrusion 13, the protrusion 13 is located between the main body 12 and the connection part 11, the protrusion 13 stops a step formed between the upper receiving cavity 211 and the lower receiving cavity 212, the shape of the upper receiving cavity 211 matches the shape of the main body 10, and the lower receiving cavity 212 is a cylindrical shape capable of receiving the protrusion 13 and the connection part 11.
In this way, when assembling, the main body 12 of the heating element 10 sequentially penetrates out of the lower receiving cavity 212 and the upper receiving cavity 211 until the protrusion 13 is stopped by the step formed between the upper receiving cavity 211 and the lower receiving cavity 212, so that the protrusion 13 and the connecting portion 11 are completely located within the lower receiving cavity 212, thereby facilitating the rapid positioning between the heating element 10 and the base 20, and facilitating the assembly, and then the heating element 10 is fixed on the base 20 by filling the insulating material 40 in the upper receiving cavity 211 and the lower receiving cavity 212, and the fixed heating element 10 is stable and reliable in the vertical and horizontal directions.
In one embodiment, the heating element 10 may have a sheet-like or needle-like structure, the heating element 10 is exemplified as a sheet-like structure in this embodiment, as shown in fig. 6, the heating element 10 is provided with a through groove 14 penetrating through the front and back surfaces thereof, one end of the through groove 14 extends to the lower end of the heating element 10, the other end is close to the upper end of the heating element 10, the lower end of the heating element 10 is formed with connecting parts 11 at both sides of the through groove 14, and the leads 30 connected to the two connecting parts 11 have opposite polarities. Because the heating element 10 is made of an integral heating material and is formed by sintering conductive ceramics or formed by stacking a plurality of conductive layers and a plurality of insulating layers at intervals and integrally sintering, the bending strength, the fracture toughness and other properties of the heating element 10 are ensured, so that the heating element is not easy to break in practical application and the service life is ensured; meanwhile, the problem that the conductive track falls off in use does not exist, and the problem that the conductive track printed on the existing substrate falls off due to long-time use is avoided.
Further, the through groove 14 is filled with the insulating material 40, and the insulating material 40 filled in the through groove 14 and the insulating material 40 filled in the cavity 21 are integrally molded. Thus, not only the strength of the heat-generating body 10 is enhanced, but also the aerosol-forming substrate is prevented from forming residues in the through groove during use.
In order to further enhance the connection strength between the heating element 10 and the pins 30, two connection portions 11 of the heating element 10 are respectively provided with a connection hole 15, and the pins 30 are hung on the heating element 10 through the connection holes 15 and are fixed by silver paste welding. In another alternative embodiment, as shown in fig. 7, the two connection portions 11 of the heating element 10 are respectively provided with a connection notch 16, and the pins 30 are wound around the connection notches 16 and fixed by silver paste welding. Thus, when the pin 30 is welded to the connection portion 11 through the connection hole 15 or the connection notch 16, it is ensured that a defective product caused by the separation of the pin 30 from the connection portion 11 is prevented when the insulating material 40 is poured.
The embodiment of the utility model provides a heating element's assembly method as follows:
in assembly, the pins 30 are fixedly connected to the connecting portion 11 of the heating element 10, the upper end of the heating element 10 sequentially penetrates through the lower receiving cavity 212 and the upper receiving cavity 211, so that the connecting portion 11 connected with the pins 30 is completely received in the lower receiving cavity 212 for positioning, then the upper receiving cavity 211 and the lower receiving cavity 212 are filled with the molten insulating material 40, and the heating element 10 and the base 20 are fixed to each other after the insulating material 40 is cooled and solidified. Specifically, the connection portion 11 is restricted from being positioned in the lower receiving cavity 212 by the engagement of the protrusion 13 of the heating element 10 with the step between the upper receiving cavity 211 and the lower receiving hole 212, and the through groove 14 is integrally filled while the upper receiving cavity 211 and the lower receiving cavity 212 are filled with the insulating material 40.
According to the assembling method of the heating component, the connecting part 11 is positioned through the matching of the protrusion 13 on the heating element 10 and the step between the upper accommodating cavity 211 and the lower accommodating hole 212, so that the connecting part 11 and the connecting end of the pin 30 can be wrapped and fixed when the insulating material 40 is poured into the cavity 21 of the base 20, the efficiency of the heating component during installation is greatly improved, the connection strength of the heating element 10 and the pin 30 is enhanced, the reliability of the heating component is improved, and the competitiveness of a product is further improved.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Above is the description to the technical scheme that the utility model provides, to technical personnel in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model.
Claims (11)
1. A heat generating component, comprising:
the device comprises a base, wherein a cavity penetrating through two ends of the base along the vertical direction is formed in the base;
the heating body, the heating body is the whole heating structure of circular telegram, the lower extreme of heating body is followed the one end of base extends to get into the cavity and not exceed the other end of base, the heating body is located part in the cavity is connected with the pin to through filling into insulating material in the cavity realizes with the base is fixed.
2. The heating assembly of claim 1 wherein the insulating substance is a thermosetting polymer, epoxy, silicone or glass cement.
3. The heating element as claimed in claim 1, wherein the heating element is made of conductive ceramic material or formed by stacking a plurality of conductive layers and a plurality of insulating layers at intervals and sintering integrally.
4. The heating element as claimed in claim 1, wherein the cavity comprises an upper receiving cavity and a lower receiving cavity which are large in top and small in bottom and are communicated with each other, a connecting portion defined by the upper receiving cavity and received in the lower receiving cavity is formed at a portion of the heating element located in the cavity, and the pins are connected to the connecting portion; the upper containing cavity and the lower containing cavity are filled with the insulating substances.
5. The heat generating element as claimed in claim 4, wherein the heat generating body includes a body and a protrusion, the protrusion is disposed between the body and the connecting portion, and the protrusion stops a step formed between the upper receiving chamber and the lower receiving chamber.
6. The heat generating component of claim 5, wherein the upper receiving cavity has a shape matching the shape of the main body, and the lower receiving cavity has a cylindrical shape for receiving the protrusion and the connecting portion.
7. The heating element according to any one of claims 4 to 6, wherein the heating element is provided with a through groove penetrating through the front surface and the back surface of the heating element, one end of the through groove extends to the lower end of the heating element, the other end is close to the upper end of the heating element, the connecting parts are respectively formed at the two sides of the through groove at the lower end of the heating element, and the polarities of the pins connected to the two connecting parts are opposite.
8. The heating element according to claim 7, wherein the through groove is filled with an insulating material, and the insulating material filled in the through groove and the insulating material filled in the cavity are integrally molded.
9. The heating assembly of claim 7, wherein the connecting portion is provided with a connecting hole, and the pin is hung on the heating body through the connecting hole and is fixed by silver paste welding.
10. The heating assembly as claimed in claim 7, wherein the connecting portion has a connecting gap, and the pin is wound around the connecting gap and fixed by silver paste welding.
11. An aerosol generating device, comprising a housing, and a control circuit board, a power supply and a heating assembly as claimed in any one of claims 1 to 10 disposed in the housing, wherein the control circuit board is electrically connected to the power supply and the heating element of the heating assembly respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022860011.0U CN214486819U (en) | 2020-12-01 | 2020-12-01 | Heating assembly and aerosol generating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022860011.0U CN214486819U (en) | 2020-12-01 | 2020-12-01 | Heating assembly and aerosol generating device |
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| CN214486819U true CN214486819U (en) | 2021-10-26 |
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| CN202022860011.0U Active CN214486819U (en) | 2020-12-01 | 2020-12-01 | Heating assembly and aerosol generating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171734A (en) * | 2020-12-01 | 2021-07-27 | 深圳市卓力能技术有限公司 | Heating assembly, assembling method thereof and aerosol generating device |
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2020
- 2020-12-01 CN CN202022860011.0U patent/CN214486819U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171734A (en) * | 2020-12-01 | 2021-07-27 | 深圳市卓力能技术有限公司 | Heating assembly, assembling method thereof and aerosol generating device |
| CN113171734B (en) * | 2020-12-01 | 2023-11-14 | 深圳市卓力能技术有限公司 | Heating component, assembling method thereof and aerosol generating device |
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