A protective structure for a circuit board and an electronic cigarette

Abstract

This invention discloses a protective structure for a circuit board and an electronic cigarette. The protective structure for a circuit board includes a housing and a circuit board; the housing has a first air chamber, and the circuit board is disposed within the first air chamber; the first air chamber is connected to the atomizing core of the electronic cigarette through a provided second air chamber. The housing of this invention has a first air chamber, and the circuit board is disposed within the first air chamber, with the first air chamber connected to the atomizing core of the electronic cigarette through the provided second air chamber. The circuit board being disposed within the first air chamber facilitates protection of the circuit board and prevents contamination from e-liquid, condensate, etc.

Description

Technical Field

[0001] This invention relates to the field of electronic cigarette technology, and more specifically to a protective structure for a circuit board and an electronic cigarette. Background Technology

[0002] During the production, transportation, and storage of e-cigarettes, e-liquid from the atomizer can leak through the atomizer core and connections. Alternatively, during use, condensation can form in the atomizing airflow channel after atomization, also leaking out of the atomizer. Currently, many e-cigarettes lack protective measures for their circuit boards. These circuit boards are typically located below the atomizer and connected to the atomizer's airflow channel. Leaking e-liquid and condensation flow through the airflow channel to the circuit board under gravity, contaminating it and causing component malfunctions and short circuits.

[0003] The technical solution disclosed in Chinese patent CN213819834U (An Electronic Cigarette) involves a circuit board located at the bottom of the casing via slots, spring contacts, and other components, with the atomizer positioned above the circuit board. This design allows leaked e-liquid and condensate to flow onto the circuit board, thus exposing it to potential risks. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a protective structure for a circuit board and an electronic cigarette.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A protective structure for a circuit board includes a housing and a circuit board; the housing is provided with a first air chamber, and the circuit board is disposed in the first air chamber; the first air chamber is connected to the atomizing core of an electronic cigarette through a provided second air chamber.

[0007] A further technical solution is as follows: a sealing element and a mounting plate are provided inside the housing; a first air cavity is formed between the sealing element and the mounting plate; a second air cavity is formed between the sealing element and the inner wall of the housing; the first air cavity and the second air cavity are interconnected.

[0008] The further technical solution is as follows: the second air chamber is located below the first air chamber, and the second air chamber is disposed near the bottom of the housing.

[0009] A further technical solution is as follows: the sealing element is provided with a recessed structure, and the mounting plate is disposed at the port of the recessed structure, so that the space between the recessed structure and the mounting plate forms the first air cavity.

[0010] The further technical solution is that the first air chamber is connected to the air inlet provided on the housing.

[0011] The further technical solution is as follows: the air inlet is located at the bottom of the housing; the first air chamber is connected to the air inlet through a first conduit; the first conduit passes through the second air chamber.

[0012] The further technical solution is as follows: the second air chamber is provided with an air outlet; the air outlet is connected to the air inlet end of the atomizing core.

[0013] The further technical solution is as follows: the air outlet is provided on the mounting plate; the air outlet is connected to the second air chamber through a second conduit; the second conduit passes through the first air chamber.

[0014] The further technical solution is as follows: the circuit board is provided with a microphone; the sensing end of the microphone extends into the second air chamber.

[0015] The further technical solution is as follows: the sealing element is provided with a mounting hole; the microphone extends into the second air chamber through the mounting hole.

[0016] A further technical solution is that the sealing element is provided with a connection hole so that the first air chamber and the second air chamber can communicate with each other.

[0017] The further technical solution is that the cross-sectional area of ​​the connecting holes is smaller than the cross-sectional area of ​​the first air chamber and the second air chamber.

[0018] The further technical solution is as follows: a connecting cavity is provided in the first air cavity at the position of the air inlet; the components of the circuit board are disposed in the connecting cavity.

[0019] An electronic cigarette, characterized in that it includes the protective structure of the circuit board described above.

[0020] The advantages of this invention compared to existing technologies are as follows: the housing of this invention is provided with a first air chamber, and the circuit board is disposed within the first air chamber. The first air chamber is connected to the atomizing core of the electronic cigarette through a provided second air chamber. The circuit board being disposed within the first air chamber helps protect the circuit board and prevents contamination from e-liquid, condensate, etc.

[0021] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the specification. In order to make the above and other objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are described in detail below. Attached Figure Description

[0022] Figure 1 This is an exploded view of a protective structure for a circuit board according to the present invention;

[0023] Figure 2 This is a cross-sectional view of a protective structure for a circuit board according to the present invention;

[0024] Figure 3 for Figure 2 A three-dimensional image;

[0025] Figure 4 This is a perspective view of a sealing element in a protective structure for a circuit board according to the present invention;

[0026] Figure 5 This is a perspective view of a mounting plate for a protective structure of a circuit board according to the present invention.

[0027] Figure 6 This is a perspective view of an electronic cigarette according to the present invention;

[0028] Figure 7 An exploded view of an electronic cigarette according to the present invention;

[0029] Figure 8 This is a cross-sectional view of an electronic cigarette according to the present invention. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0034] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0035] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0036] In the description of this specification, references to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example that is included in at least one embodiment or example of the present invention.

[0037] In this specification, the illustrative expressions of the terms used above should not be construed as necessarily referring to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0038] Figures 1 to 8 The accompanying drawings are of the present invention; wherein Figure 2 , 8 The dashed line with arrows indicates the direction of airflow.

[0039] This embodiment provides a protective structure for electronic cigarettes, such as Figures 1 to 3As shown in Figure 7, the device includes a housing 10 and a circuit board 20. The housing 10 has a first air chamber 13, and the circuit board 20 is disposed within the first air chamber 13. The first air chamber 13 is connected to the atomizer core 30 of the electronic cigarette through a second air chamber 14, preventing e-liquid or condensate leaking from the atomizer core 30 from reaching the first air chamber 13, thus preventing e-liquid or condensate from contaminating the circuit board 20. The circuit board 20's placement within the first air chamber 13 helps protect it and prevents contamination from e-liquid, sweat, and other substances.

[0040] A second air chamber 14 is provided between the first air chamber 13 and the atomizing core 30. The second air chamber 14 acts as a buffer, preventing e-liquid leaking from the atomizing core 30 from flowing into the first air chamber 13, thus avoiding corrosion of the circuit board 20 by the e-liquid. In addition, the circuit board 20 is located inside the first air chamber 13, which facilitates heat dissipation from the airflow.

[0041] Preferably, the second air chamber 14 is located below the first air chamber 13 and is positioned close to the bottom of the housing 10. Therefore, if the e-liquid of the atomizing core 30 leaks, it will flow into the second air chamber 14 and will be difficult to reach the first air chamber 13, thus better protecting the circuit board 20 from the corrosion of e-liquid.

[0042] The first air chamber 13 and the second air chamber 14 are connected by a connecting hole 15. The cross-sectional area of ​​the connecting hole 15 is much smaller than that of the first air chamber 13 and the second air chamber 14, so once the e-liquid leaks into the second air chamber 14, it is difficult for it to flow back into the first air chamber 13.

[0043] In other embodiments, the connection hole 15 is a bypass hole. When the suction resistance is satisfied, the connection hole 15 is configured as a bypass hole to prevent e-liquid and condensate leaking into the second air chamber 14 from flowing back into the first air chamber 13.

[0044] Preferably, the second air chamber 14 is provided with oil-absorbing cotton to absorb any leakage of e-liquid and prevent e-liquid from overflowing from the second air chamber 14.

[0045] like Figures 1 to 3 As shown, a sealing element 11 and a mounting plate 12 are provided inside the housing 10. A first air chamber 13 is formed between the sealing element 11 and the mounting plate 12. A second air chamber 14 is formed between the sealing element 11 and the inner wall of the housing 10. The first air chamber 13 and the second air chamber 14 are interconnected, and a connecting hole 15 is provided on the sealing element 11. In addition to being used to mount the circuit board 20, the first air chamber 13 also serves as an air inlet chamber, and is provided with an air inlet 101 for air intake and a connecting hole 15 for air exhaust.

[0046] Specifically, such as Figure 3 , 4As shown, the sealing member 11 is provided with a recessed structure 111, and the mounting plate 12 is disposed at the port of the recessed structure 111, so that the space between the recessed structure 111 and the mounting plate 12 forms the first air cavity 13. The housing 10 is a bowl-shaped structure with the opening facing upward. After the sealing member 11 is installed into the housing 10, a second air cavity 14 is formed between the sealing member 11 and the inner wall of the bottom of the housing 10.

[0047] The first air chamber 13 is connected to the air inlet 101 provided on the housing 10. After the sealing member 11 is installed on the inner wall of the housing 10, the air inlet end on the sealing member 11 matches the air inlet 101, thereby making the air inlet 101 connected to the first air chamber 13.

[0048] Specifically, such as Figure 2 , 3 As shown, the air inlet 101 is located at the bottom of the housing 10 and on the inner wall of the second air chamber 14. The first air chamber 13 is connected to the air inlet 101 via a first conduit 102. The first conduit 102 penetrates the second air chamber 14, a design that improves structural compactness. The first air chamber 13 is connected to the air inlet 101 via the first conduit 102, and the cross-sectional area of ​​the first air chamber 13 is smaller than its transverse cross-sectional area, which helps prevent sweat, debris, etc., from entering the first air chamber 13 from the air inlet 101.

[0049] The second air chamber 14 is provided with an air outlet 103. The air outlet 103 is connected to the air inlet end of the atomizing core 30.

[0050] Specifically, such as Figure 2 , 3 As shown in Figure 5, the air outlet 103 is provided on the mounting plate 12. The air outlet 103 is connected to the second air chamber 14 through the provided second conduit 104, and the second conduit 104 passes through the first air chamber 13.

[0051] Preferably, the second conduit 104 is a protruding tubular structure on the mounting plate 12, so that after the mounting plate 12 and the seal 11 are fixed together, the tubular structure extends into the second air chamber 14 through the extension hole 112 of the seal 11. In addition, the air outlet 103 is the outlet of the tubular structure, thereby connecting the second air chamber 14 with the air outlet 103 to supply air to the atomizing core 30.

[0052] like Figures 1 to 4As shown, the circuit board 20 is equipped with a microphone 21. The sensing end of the microphone 21 extends into the second air chamber 14. Specifically, the circuit board 20 is fixed to the bottom of the recessed structure 111, and the microphone 21 is disposed on the lower surface of the circuit board 20. Additionally, the sealing member 11 is provided with a mounting hole 113, so the microphone 21 extends into the second air chamber 14 through the mounting hole 113. The sensing end of the microphone 21 is suspended above the upper wall of the second air chamber 14. When airflow flows in the second air chamber 14, the microphone 21 can sense the airflow. Here, the microphone 21 is an airflow sensor.

[0053] like Figures 2 to 5 As shown, the circuit board 20 is fixed to the recessed structure 111 of the seal 11 by the mounting plate 12. Specifically, a insertion hole 114 is provided on one side of the recessed structure 111 of the seal 11, and the mounting plate 12 is provided with a connecting post 121 for connecting to the insertion hole 114. After the connecting post 121 is inserted into the insertion hole 114, the mounting plate 12 and the seal 11 can be connected together. The circuit board 20 is provided with a connecting hole 22 at the position where the connecting post 121 passes, so that the connecting post 121 passes through the connecting hole 22 and connects to the insertion hole 114, thereby fixing the circuit board 20 and the seal 11 together. This eliminates the need for traditional screw fixing, making installation more convenient.

[0054] Preferably, the electronic components of the circuit board 20 are disposed on the upper surface facing the first air chamber 13, so that the airflow in the first air chamber 13 can carry away the heat generated by the electronic components on the circuit board 20 during operation.

[0055] Preferred, such as Figures 2 to 3 As shown, electronic components are arranged on the circuit board 20 at the air inlet 101. Specifically, the recessed structure 111 of the seal 11 has a connecting cavity 115 at the air inlet of the first conduit 102. Electronic components are arranged on the circuit board 20 at the connecting cavity 115, and airflow flows into the second air cavity 14 from both sides of the circuit board 20. This allows the airflow to contact the circuit board 20 with a larger area, so as to remove more heat.

[0056] In addition, such as Figures 2 to 3 As shown, the circuit board 20 is provided with a USB interface 23. The USB interface 23 passes through the seal 11 and the second air chamber 14 and extends to the mounting port provided in the housing 10. The USB interface 23 is sealed to the seal 11 and the housing 10 to prevent air leakage from the second air chamber 14.

[0057] An electronic cigarette, such as Figures 6 to 8 As shown, the device includes the aforementioned protective structure 1, oil cup 2, battery pack 4, and outer casing 5. The outer casing of the electronic cigarette is the aforementioned housing 10. An atomization channel 201 is provided in the middle of the oil cup 2, and the atomizing core 30 is disposed within the atomization channel 201.

[0058] The atomizing channel 201 is connected to the air outlet 103, allowing the airflow from the protective structure 1 to enter the atomizing core 30.

[0059] Compared with the prior art, the housing 10 of the present invention is provided with a first air chamber 13, and the circuit board 20 is disposed in the first air chamber 13. The first air chamber 13 is connected to the atomizing core 30 of the electronic cigarette through a second air chamber 14. The circuit board 20 is disposed in the first air chamber 13, which is beneficial to the protection of the circuit board 20 and avoids contamination of the circuit board 20 by e-liquid, condensate, etc. At the same time, the circuit board 20 is disposed in the first air chamber 13, which can also dissipate heat from the circuit board 20.

[0060] The above examples are merely illustrative of the technical content of the present invention to facilitate easier understanding by the reader, but do not imply that the implementation of the present invention is limited to these examples. Any technical extensions or re-creations made based on the present invention are protected by the present invention. The scope of protection of the present invention is defined by the claims.

Claims

1. A protective structure for a circuit board, comprising a housing and a circuit board; characterized in that, The housing is provided with a first air chamber, and the circuit board is disposed in the first air chamber; the first air chamber is connected to the atomizing core of the electronic cigarette through a provided second air chamber; The housing is provided with a sealing element and a mounting plate; a first air cavity is formed between the sealing element and the mounting plate; a second air cavity is formed between the sealing element and the inner wall of the housing; the first air cavity and the second air cavity are interconnected. The first air chamber is connected to the air inlet provided on the housing; The air inlet is located at the bottom of the housing; the first air chamber is connected to the air inlet via a first conduit; the first conduit passes through the second air chamber; The second air chamber is provided with an air outlet; the air outlet is connected to the air inlet end of the atomizing core; The air outlet is located on the mounting plate; the air outlet is connected to the second air chamber through a second conduit; the second conduit passes through the first air chamber.

2. The protective structure for a circuit board according to claim 1, characterized in that, The second air chamber is located below the first air chamber and is positioned near the bottom of the housing.

3. The protective structure for a circuit board according to claim 1, characterized in that, The sealing element is provided with a recessed structure, and the mounting plate is disposed at the port of the recessed structure so that the space between the recessed structure and the mounting plate forms the first air cavity.

4. The protective structure for a circuit board according to claim 1, characterized in that, The circuit board is equipped with a microphone; the sensing end of the microphone extends into the second air chamber.

5. The protective structure for a circuit board according to claim 4, characterized in that, The sealing element is provided with a mounting hole; the microphone extends into the second air chamber through the mounting hole.

6. The protective structure for a circuit board according to claim 1, characterized in that, The sealing element is provided with a connection hole so that the first air chamber and the second air chamber can communicate with each other.

7. The protective structure for a circuit board according to claim 6, characterized in that, The cross-sectional area of ​​each connecting hole is smaller than the cross-sectional area of ​​the first air chamber and the second air chamber.

8. The protective structure for a circuit board according to claim 1, characterized in that, The first air chamber has a connecting cavity located at the air inlet; the components of the circuit board are located in the connecting cavity.

9. An electronic cigarette, characterized in that, The protective structure includes the circuit board as described in any one of claims 1 to 8.

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