CN220511497U - Circuit board assembly structure and aerosol generating device - Google Patents
Circuit board assembly structure and aerosol generating device Download PDFInfo
- Publication number
- CN220511497U CN220511497U CN202322164110.9U CN202322164110U CN220511497U CN 220511497 U CN220511497 U CN 220511497U CN 202322164110 U CN202322164110 U CN 202322164110U CN 220511497 U CN220511497 U CN 220511497U
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- China
- Prior art keywords
- circuit board
- assembly structure
- board assembly
- sealing
- hole
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Links
- 239000000443 aerosol Substances 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims description 24
- 238000000889 atomisation Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model provides a circuit board assembly structure and an aerosol generating device, wherein the circuit board assembly structure comprises a circuit board and a sealing element; the circuit board is provided with a mounting surface, and an electric element is mounted on the mounting surface; the sealing member is provided with a containing cavity which is matched with the circuit board and provided with an opening, and the containing cavity is used for installing the circuit board; wherein, when assembled, the mounting surface is oriented towards the sealing element and is placed in the cavity through the opening to complete the sealing of the electrical component. The utility model can avoid the damage of the electric element by aerosol or condensate, and improve the stability.
Description
Technical Field
The utility model relates to the technical field of aerosol generating devices, in particular to a circuit board assembly structure and an aerosol generating device.
Background
The aerosol generating device can atomize the atomized liquid into aerosol by heating the atomized liquid for a user to inhale, so that an airflow and condensate inevitably flows in the aerosol generating device. The air path of the existing aerosol generating device is mostly concentrated on the bottom cover, and the circuit board is also arranged on the bottom cover, so that components on the circuit board are easily damaged by aerosol or condensate.
Disclosure of Invention
The utility model provides a circuit board assembly structure and an aerosol generating device, which aim to solve the problem that components of the existing aerosol generating device are easily damaged by aerosol or condensate.
In a first aspect, the present utility model provides a circuit board assembly structure comprising a circuit board and a seal; the circuit board is provided with a mounting surface, and an electric element is mounted on the mounting surface; the sealing member is provided with a containing cavity which is matched with the circuit board and provided with an opening, and the containing cavity is used for installing the circuit board; wherein, when assembled, the mounting surface is oriented towards the sealing element and is placed in the cavity through the opening to complete the sealing of the electrical component.
In some embodiments, a sealing area is defined on the bottom plate of the cavity by a sealing edge, and a mounting structure is arranged in the sealing area and is used for mounting the electrical element.
In some embodiments, a protrusion is formed on the inner side of the sealing rib, and a first through hole is formed on the protrusion and penetrates through the bottom plate.
In some embodiments, at least one first through hole is further formed in the bottom plate along the outer side of the sealing edge.
In some embodiments, a second through hole penetrating the circuit board is arranged on the circuit board opposite to the first through hole, and the first through hole and the second through hole are communicated.
In some embodiments, a protective film is disposed around the second through hole.
In some embodiments, a pneumatic switch is disposed on the other surface of the circuit board opposite to the mounting surface, and a mounting hole is disposed on the bottom plate of the cavity opposite to the pneumatic switch, and the mounting hole is used for fixing the pneumatic switch.
In some embodiments, sealing ribs are provided around the outside of the mounting hole.
In some embodiments, the other side of the circuit board opposite the mounting surface is provided with a wicking member.
In a second aspect, the present utility model provides an aerosol generating device comprising a lower housing, an upper housing, an atomizing module, a liquid storage chamber, and a circuit board assembly structure according to any one of the above; the upper shell is connected with the lower shell to form a closed space, and the circuit board assembly structure, the atomization module and the liquid storage cavity are sequentially arranged in the closed space from bottom to top.
According to the circuit board assembly structure and the aerosol generating device disclosed by the utility model, the sealing element of the circuit board assembly structure is provided with the accommodating cavity, one surface of the circuit board provided with the electric element is arranged in the accommodating cavity, and the sealing of the electric element is completed through the matching of the circuit board and the sealing element, so that the electric element is prevented from being contacted with aerosol or condensate, the electric element can be prevented from being damaged, and the stability is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a circuit board assembly structure according to an embodiment of the present utility model;
FIG. 2 is a side cross-sectional view of an aerosol-generating device according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of the partial structure of FIG. 2; and
FIG. 4 is a front cross-sectional view of an aerosol-generating device according to an embodiment of the present utility model;
reference numerals: 1000. an aerosol generating device; 100. a circuit board assembly structure; 10. a circuit board; 11. an electrical component; 12. a mounting surface; 20. a seal; 21. a cavity; 211. a bottom plate; 22. sealing edges; 23. a sealing region; 24. a groove; 25. a convex portion; 26. a first through hole; 27. a second through hole; 28. a pneumatic switch; 29. and a protector. 30. A protective mold; 40. a liquid absorbing member; 200. a lower case; 300. an upper case; 400. an atomization module, 410 and a heating wire; 420. a wire bonding plate; 430. and a battery cell. 500. A liquid storage cavity; 510. storing liquid cotton; 600. an airway tube; 700. a liquid storage tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In addition, directional terms such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc. as used herein refer only to the attached drawings and the direction of the product in use. Accordingly, directional terminology is used to describe and understand the utility model and is not limiting of the utility model. In addition, in the drawings, structures similar or identical to those of the drawings are denoted by the same reference numerals.
Referring to fig. 1 to 4, fig. 1 is an exploded view of a circuit board assembly structure 100 according to an embodiment of the present utility model; fig. 2 is a cross-sectional view of an aerosol-generating device 1000 according to an embodiment of the present utility model; FIG. 3 is an enlarged view of the partial structure of FIG. 2; fig. 4 is a front cross-sectional view of an aerosol-generating device 1000 according to an embodiment of the present utility model. As shown in fig. 1 to 4, the circuit board assembly structure 100 includes a circuit board 10 and a sealing member 20; the circuit board 10 has a mounting surface 12, and an electrical component 11 is mounted on the mounting surface 12; the sealing element 20 is configured with a cavity 21 which is matched with the circuit board 10 and provided with an opening, and the cavity 21 is used for installing the circuit board 10; wherein, when assembled, the mounting surface 12 is directed towards the sealing member 20 and placed in the cavity 21 through the opening to complete the sealing of the electrical component 11.
Specifically, the circuit board assembly structure 100 may include the circuit board 10 and the sealing member 20, the circuit board 10 includes a mounting surface 12, the mounting surface 12 is used for mounting the electric components 11, all the electric components 11 may be mounted on the mounting surface 12, and part of the electric components 11 which are not affected by aerosol or condensate may be mounted on other surfaces. The sealing member 20 may be a silica gel, for example, USB silica gel, and a cavity 21 with an opening is formed on one surface of the sealing member 20, the cavity 21 is used for mounting the circuit board 10, when the circuit board 10 is assembled, the mounting surface 12 may be oriented to the cavity 21, and the circuit board 10 may be placed in the cavity 21, and then the sealing member 20 is mounted at a corresponding position of the aerosol generating device 1000, for example, on a bottom cover of the aerosol generating device 1000. The sealing member 20 protects the electric element 11, prevents the electric element 11 from being directly exposed to the environment of aerosol and condensate, avoids the damage of the electric element 11, and improves the stability.
As a further embodiment, the bottom 211 of the cavity 21 is surrounded by a sealing edge 22 to form a sealing area 23, and a mounting structure is disposed in the sealing area 23, and is used for mounting the electrical component 11.
As shown in fig. 1, a cavity may be formed on the top surface of the sealing member 20, and the cavity is the cavity 21, and the bottom 211 of the cavity 21 is the top surface of the sealing member 20. The bottom 211 of the cavity 21 is surrounded by a sealing rib 22 to form a sealing area 23, and the sealing area 23 may be an irregular sealing area 23 or a sealing area 23 with a specific shape, for example, an elliptic line or a rectangle, and the specific shape of the sealing area 23 is determined by the electric element 11 mounted on the mounting surface 12. Meanwhile, a mounting structure for mounting bulky components such as capacitors in the electric element 11 is provided in the sealing region 23, and the mounting structure may generally include at least one groove 24 for fixing the electric element 11, and the number of the grooves 24 is determined by the number of bulky components in the electric element 11. Preferably, the mounting structure comprises at least one recess 24, for example two recesses 24, each recess 24 being of identical or different construction, as shown in fig. 1, the recess 24 on the left in fig. 1 being of a stepped construction and the recess 24 on the right being of a rectangular construction for mounting different electrical components 11.
As a further embodiment, a protrusion 25 is formed inside the sealing rib 22, and the protrusion 25 is provided with a first through hole 26 penetrating the protrusion 25 and the bottom plate 211.
The sealing rib 22 may form a protrusion 25 as shown in fig. 1, and a first through hole 26 penetrating the protrusion 25 and the bottom plate 211 is disposed in the middle of the protrusion 25, where the first through hole 26 serves as an air hole and is in communication with an air path in the aerosol generating device 1000, so as to facilitate the aerosol passing therethrough. The protrusion 25 may be disposed in the sealing region 23, and the first through hole 26 may be surrounded by the sealing rib 22, so that the aerosol may be prevented from entering the sealing region 23.
As a further example, the bottom plate 211 is further provided with at least one first through hole 26 along the outer side of the sealing rib 22.
In addition to the first through holes 26 disposed in the sealing area 23, the sealing area 23 may be provided with the first through holes 26, for example, one first through hole 26 is disposed at each of four corners on the bottom plate 211 of the cavity 21, or a plurality of adjacent first through holes 26 are disposed near a certain side, and the first through holes 26 are in communication with the air path in the aerosol generating device 1000 for passing aerosol through the first through holes 26, so that the aerosol can be further prevented from entering the cavity 21. At the same time, the aerosol circulates in the concentrated channels, avoiding flowing through sharp places on the circuit board 10, and thus avoiding noise.
As a further embodiment, a second through hole 27 penetrating the circuit board 10 is provided on the circuit board 10 opposite to the first through hole 26, and the first through hole 26 and the second through hole 27 communicate.
Wherein, a second through hole 27 can be disposed on the circuit board 10 opposite to the first through hole 26, and the first through hole 26 communicates with the second through hole 27 to provide a channel for aerosol.
As a further embodiment, the second through hole 27 is internally provided with a protective film 30.
As shown in fig. 4, a protective film 30 may be disposed in the second through hole 27 to prevent the circuit board 10 from being eroded by aerosol or condensate. Preferably, one protective film 30 may be provided in each of the second through holes 27.
As a further embodiment, the other surface of the circuit board 10 opposite to the mounting surface 12 is provided with a pneumatic switch 28, and a mounting hole is provided on the bottom 211 of the accommodating cavity 21 opposite to the pneumatic switch 28, and the mounting hole is used for fixing the pneumatic switch 28.
As a further example, sealing ribs 22 are provided along the outer circumference of the mounting hole.
The pneumatic switch 28 may be a microphone, and when the user sucks, the air flow generated by the negative pressure drives the membrane inside the microphone to vibrate, and when the electric signal generated by the vibration reaches a certain intensity, the aerosol generating device 1000 is started, so as to remind the state of the aerosol generating device 1000, for example, start and stop. The pneumatic switch 28 may be disposed specifically at one corner of the other side opposite the mounting surface 12 to avoid the mounting hole being disposed in the sealing region 23, and at the same time, a sealing rib 22 may be disposed around the mounting hole to avoid the entry of aerosol into the sealing region 23. Preferably, a protection member 29 may be provided, the protection member 29 is sleeved on the pneumatic switch 28, the protection member 29 may be silica gel, and the silica gel is sleeved on the pneumatic switch 28, so that the pneumatic switch 28 is prevented from being in direct contact with aerosol and condensate.
As a further example, the other side of the circuit board 10 opposite the mounting surface 12 is provided with a liquid absorbing member 40.
As shown in fig. 1 and fig. 4, a liquid absorbing member 40 may be disposed on the other surface of the circuit board 10 opposite to the mounting surface 12, and the liquid absorbing member is laid on the circuit board 10, so as to avoid the gas path from being blocked by aerosol and condensate. Preferably, the wicking member 40 is absorbent cotton.
Referring to fig. 4, the present utility model also provides an aerosol-generating device 1000 comprising a lower housing 200, an upper housing 300, an atomizing module 400, a reservoir 500, and the circuit board assembly structure 100 of any of the above embodiments; the upper case 300 is connected with the lower case 200 to form a closed space, and the circuit board assembly structure 100, the atomizing module 400, and the liquid storage chamber 500 are sequentially disposed in the closed space from bottom to top.
Specifically, the lower case 200 is clamped with the upper case 300 to form a closed space, and the circuit board assembly structure 100, the atomization module 400, the liquid storage cavity 500, and other structures commonly used in the art are disposed in the closed space. The circuit board assembly structure 100 is disposed in the closed space near the lower case 200, and an atomization module 400 is disposed above the circuit board assembly structure 100, where the atomization module 400 may include a battery cell 430, a wire bonding plate 420, and a heating wire 410. The heating wire 410 is connected with the welding wire plate 420, the welding wire plate 420 is connected with the battery core 430, the battery core 430 is used for providing electric energy for the heating wire 410 through the welding wire plate 420, the heating wire 410 heats under the action of the electric energy, and atomized liquid is atomized into aerosol. The liquid storage cavity 500 is used for storing atomized liquid, and can be internally provided with liquid storage cotton 510, the atomized liquid is stored through the liquid storage cotton 510, the atomized liquid enters the atomization module 400 through the liquid storage pipe 700, and finally aerosol generated by atomization enters the mouth of a user through the air passage pipe 600.
According to the circuit board assembly structure and the aerosol generating device disclosed by the utility model, the electric element is arranged on the mounting surface of the circuit board, the mounting surface faces to the accommodating cavity, and the electric element is protected by the sealing element, so that the electric element is prevented from being exposed to aerosol and condensate, the electric element is prevented from being damaged, and the stability is improved.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. A circuit board assembly structure, comprising:
a circuit board having a mounting surface on which an electrical component is mounted;
a sealing member configured with a cavity adapted to the circuit board and having an opening, the cavity being for mounting the circuit board;
wherein, when assembled, the mounting surface is oriented towards the sealing element and is placed in the cavity through the opening to complete the sealing of the electrical component.
2. The circuit board assembly structure of claim 1, wherein a sealing area is defined by a sealing edge on the bottom plate of the cavity, and wherein a mounting structure is disposed in the sealing area for mounting the electrical component.
3. The circuit board assembly structure of claim 2, wherein a protrusion is formed inside the sealing rib, and the protrusion is provided with a first through hole penetrating the protrusion and the bottom plate.
4. The circuit board assembly structure of claim 3, wherein said base plate is further provided with at least one of said first through holes along an outer side of said sealing rib.
5. The circuit board assembly structure of claim 4, wherein a second through hole is provided in said circuit board opposite said first through hole, and said first through hole and said second through hole are in communication.
6. The circuit board assembly structure of claim 5, wherein a protective film is disposed around the second through hole.
7. The circuit board assembly structure of claim 1, wherein a pneumatic switch is disposed on the other side of the circuit board opposite to the mounting surface, and a mounting hole is disposed on the bottom plate of the cavity opposite to the pneumatic switch, and the mounting hole is used for fixing the pneumatic switch.
8. The circuit board assembly structure of claim 7, wherein sealing ribs are provided along an outer ring of said mounting holes.
9. The circuit board assembly structure of claim 1, wherein said circuit board is provided with a liquid absorbing member on the other side opposite to said mounting surface.
10. An aerosol generating device comprising a lower housing, an upper housing, an atomizing module, a liquid reservoir, and the circuit board assembly structure of any one of claims 1 to 9;
the upper shell is connected with the lower shell to form a closed space, and the circuit board assembly structure, the atomization module and the liquid storage cavity are sequentially arranged in the closed space from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322164110.9U CN220511497U (en) | 2023-08-11 | 2023-08-11 | Circuit board assembly structure and aerosol generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322164110.9U CN220511497U (en) | 2023-08-11 | 2023-08-11 | Circuit board assembly structure and aerosol generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220511497U true CN220511497U (en) | 2024-02-20 |
Family
ID=89878762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322164110.9U Active CN220511497U (en) | 2023-08-11 | 2023-08-11 | Circuit board assembly structure and aerosol generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220511497U (en) |
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2023
- 2023-08-11 CN CN202322164110.9U patent/CN220511497U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |