Substrate, electronic cigarette airflow sensor and electronic cigarette

Abstract

The application discloses a substrate, an electronic cigarette airflow sensor and an electronic cigarette. The substrate is provided with a mounting groove. The mounting groove is configured to be able to penetrate the substrate. A ring-shaped mounting flange is arranged on the sidewall of the mounting groove. Different kinds of detection structures can be arranged by using the ring-shaped mounting flanges on the sidewall of the mounting groove, so as to adapt to different sensor arrangement requirements, improve the space utilization of the substrate and expand the application range of the substrate.

Description

Technical Field

[0001] This invention relates to the field of substrate manufacturing technology, and more specifically, to a substrate, an electronic cigarette airflow sensor, and an electronic cigarette. Background Technology

[0002] The substrate is the basic material for manufacturing PCBs. Generally, the substrate is a copper-clad laminate. In the manufacturing process of single-sided and double-sided PCBs, selective processes such as hole machining, chemical copper plating, electrolytic copper plating, and etching are performed on the substrate material—the copper-clad laminate—to obtain the desired circuit pattern. The substrate has three functions: conductivity, insulation, and support.

[0003] Existing substrates are typically conventional flat panel structures, formed into the required circuit patterns through a series of processes. In practical applications, different electronic devices are directly arranged on the substrate, allowing it to provide support and connections. However, due to the limitations of the substrate surface area, the number of electronic devices that can be arranged on the substrate is limited. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the purpose of this invention is to provide a new technical solution for a substrate, an electronic cigarette airflow sensor, and an electronic cigarette.

[0005] According to one aspect of the present invention, a substrate is provided, wherein a mounting groove is formed on the substrate, the mounting groove is configured to penetrate the substrate, and an annular mounting flange is provided on the sidewall of the mounting groove.

[0006] According to another aspect of the present invention, an electronic cigarette airflow sensor is provided. The electronic cigarette airflow sensor includes the aforementioned substrate, and further includes:

[0007] The outer shell is disposed on the substrate, and the outer shell and the substrate form a receiving cavity. A first through hole is formed on the side of the outer shell away from the substrate, and the first through hole communicates with the receiving cavity.

[0008] A detection component is located within the mounting groove, the detection component is disposed on the annular mounting flange, and the sensing part of the detection component is in communication with the receiving cavity.

[0009] Optionally, the electronic cigarette airflow sensor further includes an ASIC chip located in the receiving cavity, the ASIC chip being disposed on the substrate and misaligned with the mounting slot, and the detection component being electrically connected to the ASIC chip.

[0010] Optionally, the annular mounting flange is circumferentially surrounding the sidewall of the mounting groove, and the detection component is circumferentially connected to the annular mounting flange.

[0011] Optionally, the annular mounting flange includes opposing first and second surfaces, the first surface being away from the receiving cavity and the second surface being close to the receiving cavity, the detection assembly including a diaphragm and an electrode plate, the diaphragm being disposed on the second surface and the electrode plate being disposed on the first surface.

[0012] Optionally, the side of the diaphragm facing the receiving cavity is flush with the substrate, and / or, the side of the electrode plate away from the receiving cavity is flush with the substrate.

[0013] Optionally, a second through hole is provided on the electrode plate, and the second through hole communicates with the diaphragm.

[0014] Optionally, the second through hole is opposite to the middle of the diaphragm.

[0015] Optionally, the size of the second through hole is smaller than the size of the first through hole.

[0016] Optionally, the electronic cigarette airflow sensor further includes a seal disposed between the substrate and the housing.

[0017] Optionally, the electronic cigarette airflow sensor further includes a dustproof mesh disposed on the first through hole.

[0018] According to another aspect of the present invention, an electronic cigarette is provided, the electronic cigarette including the above-described electronic cigarette airflow sensor.

[0019] One technical advantage of the present invention is that by providing a mounting groove on the substrate, the mounting groove is configured to penetrate the substrate, and an annular mounting flange is provided on the side wall of the mounting groove, various detection structures can be set accordingly using the annular mounting flange on the side wall of the mounting groove, thereby adapting to different sensor arrangement requirements, improving the space utilization of the substrate, and facilitating the miniaturization of the substrate.

[0020] Other features and advantages of the invention will become clear from the following detailed description of exemplary embodiments of the invention with reference to the accompanying drawings. Attached Figure Description

[0021] The accompanying drawings, which form part of this specification, illustrate embodiments of the invention and, together with the specification, serve to explain the principles of the invention.

[0022] Figure 1 This is a schematic diagram of an electronic cigarette airflow sensor according to an embodiment of the present invention.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Substrate; 11. Mounting groove; 12. Annular mounting flange; 2. Housing; 21. Receiving cavity; 22. First through hole; 3. Detection component; 31. Diaphragm; 32. Electrode plate; 321. Second through hole; 4. ASIC chip; 5. Seal; 6. Dustproof mesh. Detailed Implementation

[0025] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention.

[0026] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0027] Technologies and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such technologies and equipment should be considered part of the specification.

[0028] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.

[0030] According to one aspect of the present invention, a substrate 1 is provided, which can be a PCB (Printed Circuit Board). The substrate 1 is commonly used in various sensor designs, and can be used to support and arrange the detection component 3. At the same time, the substrate 1 also facilitates the electrical connection of the detection component 3 with other chips or external devices.

[0031] For example, when the substrate 1 is used in a vibration sensor, the substrate 1 can be used to support and arrange the detection component 3. In this case, the detection component 3 may include a diaphragm 31, which can be used to sense vibration signals. When the substrate 1 is used in a pressure sensor, the substrate 1 can be used to support and arrange the detection component 3. In this case, the detection component 3 may include a pressure-sensitive element, which can be used to sense pressure signals. When the substrate 1 is used in a speed sensor, the substrate 1 can be used to support and arrange the detection component 3. In this case, the detection component 3 may include a laser velocimetry component, which can be used to detect speed signals.

[0032] Of course, substrate 1 can also be used in other sensors, and the corresponding detection components 3 can also be supported and arranged using substrate 1.

[0033] Alternatively, substrate 1 can be a common structural support plate, and the internal space utilization of substrate 1 can be improved through the following design, so that substrate 1 can provide structural support for other devices arranged on it.

[0034] Specifically, in this embodiment of the invention, a mounting groove 11 is provided on the substrate 1, the mounting groove 11 is configured to penetrate the substrate 1, and an annular mounting flange 12 is also provided on the side wall of the mounting groove 11.

[0035] like Figure 1 As shown, a mounting groove 11 is provided on the substrate 1. The mounting groove 11 is configured to penetrate the substrate 1, that is, the mounting groove 11 can be a through groove on the substrate 1. Various detection components 3 can be conveniently set up using the mounting groove 11 to adapt to different sensor arrangement requirements. At the same time, it can also improve the space utilization of the substrate 1, facilitate the miniaturization of the substrate 1, and expand the application range of the substrate 1.

[0036] like Figure 1 As shown, in this embodiment of the invention, an annular mounting flange 12 is also provided on the side wall of the mounting groove 11. That is, the annular mounting flange 12 can surround the inner wall of the mounting groove 11 circumferentially, so that the detection component 3 can be conveniently connected using the annular mounting flange 12. The annular mounting flange 12 can be in the shape of a circular ring, a rectangular ring, or other ring shapes. The annular mounting flange 12 on the side wall of the mounting groove 11 can be integrally formed with the substrate 1. For example, the processing technology of forming the mounting groove 11 on the substrate 1 can be controlled to form the annular mounting flange 12, so as to improve the connection strength of the annular mounting flange 12, thereby improving the overall strength of the substrate 1.

[0037] According to another aspect of the present invention, an electronic cigarette airflow sensor is provided.

[0038] like Figure 1 As shown, the electronic cigarette airflow sensor provided in this embodiment of the invention includes the aforementioned substrate 1, and further includes:

[0039] The outer shell 2 is disposed on the substrate 1, and the outer shell 2 and the substrate 1 form a receiving cavity 21. A first through hole 22 is provided on the side of the outer shell 2 away from the substrate 1, and the first through hole 22 communicates with the receiving cavity 21.

[0040] The detection component 3 is located in the mounting groove 11 and is disposed on the annular mounting flange 12. The sensing part of the detection component 3 is connected to the receiving cavity 21.

[0041] like Figure 1As shown, in this embodiment of the invention, the detection component 3 is located in the mounting groove 11 and is mounted on the annular mounting flange 12, so that the detection component 3 can be directly integrated onto the substrate 1 and the internal space on the substrate 1 can be fully utilized. This reduces the overall size of the electronic cigarette airflow sensor, simplifies the installation process of the electronic cigarette airflow sensor, and improves the installation efficiency of the electronic cigarette airflow sensor.

[0042] The substrate 1 can be a PCB (Printed Circuit Board) to support and set the detection component 3, and also facilitates the electrical connection of the detection component 3 with other chips or external devices.

[0043] like Figure 1 As shown, the outer shell 2 is disposed on the substrate 1, and the outer shell 2 and the substrate 1 can form a receiving cavity 21. The receiving cavity 21 can be used to set the ASIC chip 4 or other structures, so as to improve the space utilization of the electronic cigarette airflow sensor and facilitate the miniaturization and integration of the electronic cigarette airflow sensor.

[0044] like Figure 1 As shown, a first through hole 22 is provided on the side of the outer shell 2 away from the substrate 1, and the first through hole 22 is used for airflow. The first through hole 22 is connected to the receiving cavity 21, and the sensing part of the detection component 3 is also connected to the receiving cavity 21, so that the sensing part of the detection component 3 can sense the airflow changes in the receiving cavity 21 and act accordingly.

[0045] The working principle will be explained below using the diaphragm 31 as the sensing element of the detection component 3 as an example:

[0046] When a user inhales an electronic cigarette using this airflow sensor, some of the gas in the receiving cavity 21 flows out through the first through-hole 22, causing a decrease in air pressure within the receiving cavity 21, i.e., a change in airflow. The diaphragm 31 of the detection component 3 can sense this change in airflow and vibrate accordingly, causing a change in the output capacitance of the detection component 3. The detection component 3 is electrically connected to the ASIC chip 4, which can receive the change in capacitance and output an electrical signal accordingly, thereby controlling the electronic cigarette airflow sensor.

[0047] In another embodiment, the sensing part of the detection component 3 can also be a pressure-sensitive element. By placing the pressure-sensitive element on the annular mounting flange 12 of the substrate 1, a pressure sensor can be formed and pressure detection can be performed.

[0048] Optionally, the electronic cigarette airflow sensor further includes an ASIC chip 4, which is located in the receiving cavity 21, disposed on the substrate 1 and misaligned with the mounting groove 11, and the detection component 3 and the ASIC chip 4 are electrically connected.

[0049] like Figure 1 As shown, the electronic cigarette airflow sensor in this embodiment of the invention may also include an ASIC (Application Specific Integrated Circuit) chip 4. The ASIC chip 4 is located in the receiving cavity 21, that is, the receiving cavity 21 formed between the outer shell 2 and the substrate 1 can be used to set the ASIC chip 4, which makes full use of the internal space of the electronic cigarette airflow sensor. At the same time, the outer shell 2 can be used to protect the ASIC chip 4, thereby improving the working reliability of the ASIC chip 4.

[0050] Furthermore, placing the ASIC chip 4 on the substrate 1 facilitates its installation and electrical connection. Misaligning the ASIC chip 4 with the mounting slot 11 avoids interference between the installation of the ASIC chip 4 and the installation of the detection component 3 within the mounting slot 11, ensuring independent and reliable installation of the ASIC chip 4 and the detection component 3, and improving the structural reliability of the electronic cigarette airflow sensor.

[0051] An electrical connection is established between the detection component 3 and the ASIC chip 4. When the diaphragm 31 of the detection component 3 senses the change in airflow in the accommodating cavity 21 and vibrates accordingly, the output capacitance of the detection component 3 changes. The ASIC chip 4, which is electrically connected to the detection component 3, can receive the change in capacitance and output an electrical signal accordingly, thereby realizing the control of the electronic cigarette airflow sensor.

[0052] Optionally, in this embodiment of the invention, the annular mounting flange 12 is arranged circumferentially around the side wall of the mounting groove 11, that is, the annular mounting flange 12 is arranged circumferentially around the inner wall of the mounting groove 11, which facilitates the attachment and sealing of the detection component 3. The detection component 3 is circumferentially connected to the annular mounting flange 12. For example, the diaphragm 31 of the detection component 3 can be attached to the annular mounting flange 12 to realize the installation of the detection component 3. At the same time, the diaphragm 31 of the detection component 3 is arranged to be opposite to and connected to the receiving cavity 21, so that the diaphragm 31 of the detection component 3 can sense the airflow changes in the receiving cavity 21 and vibrate accordingly.

[0053] The detection component 3 is circumferentially connected to the annular mounting flange 12, which allows for the circumferential connection of the diaphragm 31 of the detection component 3 to the annular mounting flange 12, thereby achieving a seal on the diaphragm 31 of the detection component 3 and improving the sensing sensitivity of the detection component 3. For example, the detection component 3 can be positioned on the side of the annular mounting flange 12 away from the receiving cavity 21, and the diaphragm 31 of the detection component 3 can be circumferentially connected to the annular mounting flange 12, allowing the diaphragm 31 of the detection component 3 to communicate with the receiving cavity 21.

[0054] In addition, the width of the annular mounting flange 12 can be adjusted to adjust the connection length between the detection component 3 and the annular mounting flange 12, thereby improving the installation convenience and connection reliability of the detection component 3. The vibration area of ​​the diaphragm 31 of the detection component 3 can also be adjusted to adapt to different airflow sensing requirements.

[0055] Optionally, the annular mounting flange 12 includes a first surface and a second surface opposite to each other, the first surface being away from the receiving cavity 21 and the second surface being close to the receiving cavity 21, and the detection assembly 3 includes a diaphragm 31 and an electrode 32, the diaphragm 31 being disposed on the second surface and the electrode 32 being disposed on the first surface.

[0056] like Figure 1 As shown, the annular mounting flange 12 in this embodiment of the invention may include a first surface and a second surface opposite to each other. The first surface is the side of the annular mounting flange 12 away from the receiving cavity 21, and the second surface is the side of the annular mounting flange 12 close to the receiving cavity 21, so that the detection component 3 can be set using the first surface and the second surface of the annular mounting flange 12.

[0057] Specifically, the detection component 3 includes a diaphragm 31 and an electrode plate 32. The diaphragm 31 can be disposed on the second surface, allowing it to communicate with the receiving cavity 21. This facilitates the diaphragm 31 of the detection component 3 in sensing changes in airflow within the receiving cavity 21 and vibrating accordingly. Disposing the electrode plate 32 on the first surface facilitates its placement, and the electrode plate 32 on the outer side of the diaphragm 31 also provides protection for the diaphragm 31, improving the operational reliability of the detection component 3.

[0058] The diaphragm 31 and electrode 32 of the detection component 3 are respectively disposed on two opposite surfaces of the annular mounting flange 12, so that the height of the annular mounting flange 12 is the gap height between the diaphragm 31 and the electrode 32. That is, the diaphragm 31, electrode 32, annular mounting flange 12 and the gap between the diaphragm 31 and the electrode 32 can together form a capacitor. This avoids the cost increase caused by separately setting other structures to form a gap between the diaphragm 31 and the electrode 32, simplifies the installation process of the detection component 3, and improves the installation efficiency of the electronic cigarette airflow sensor.

[0059] Optionally, the side of the diaphragm 31 facing the cavity 21 is flush with the substrate 1, and / or the side of the electrode plate 32 away from the cavity 21 is flush with the substrate 1.

[0060] like Figure 1 As shown, in this embodiment of the invention, the side of the diaphragm 31 facing the receiving cavity 21 is flush with the substrate 1, which facilitates the installation of the diaphragm 31 and the detection of whether the diaphragm 31 is installed correctly. The side of the electrode plate 32 away from the receiving cavity 21 is flush with the substrate 1, which facilitates the installation of the electrode plate 32 and the detection of whether the electrode plate 32 is installed correctly. By placing both the diaphragm 31 and the electrode plate 32 within the mounting groove 11 of the substrate 1, protection is provided for both the diaphragm 31 and the electrode plate 32, avoiding the risk of damage caused by the electrode plate 32 protruding from the substrate 1, and improving the operational reliability of the detection component 3.

[0061] In another embodiment, depending on the actual height of the substrate 1, diaphragm 31 and electrode 32, the side of the diaphragm 31 facing the receiving cavity 21 can be set higher than the lower surface of the substrate 1 (the side of the substrate 1 connected to the outer shell 2), and the side of the electrode 32 away from the receiving cavity 21 can be lower than the upper surface of the substrate 1. This also allows the detection component 3 to be integrated into the substrate 1, so as to make full use of the internal space on the substrate 1 and also to facilitate adaptation to different installation requirements.

[0062] Optionally, in this embodiment of the invention, a second through hole 321 is provided on the electrode plate 32. The second through hole 321 is connected to the diaphragm 31. The second through hole 321 is used to release air and equalize pressure during the vibration of the diaphragm 31, so as to balance the pressure on both sides of the diaphragm 31 and thereby improve the working reliability of the detection component 3.

[0063] Optionally, in this embodiment of the invention, the second through hole 321 is positioned opposite the middle of the diaphragm 31, that is, the second through hole 321 is located in the middle of the electrode plate 32. This can improve the venting and pressure equalization effect of the second through hole 321, while avoiding the impact of the opening of the second through hole 321 on the structural strength of the electrode plate 32, and also improve the structural symmetry of the detection component 3.

[0064] Optionally, the size of the second through hole 321 is smaller than the size of the first through hole 22.

[0065] like Figure 1 As shown, in this embodiment of the invention, the size of the second through hole 321 is smaller than the size of the first through hole 22. That is, the size of the venting and equalizing channel on the diaphragm 31 side is smaller than the size of the airflow channel on the receiving cavity 21 side. This ensures that the diaphragm 31 can sense changes in airflow within the receiving cavity 21, improves the sensing sensitivity of the detection component 3 to changes in airflow within the receiving cavity 21, and thus also improves the sensing sensitivity of the electronic cigarette airflow sensor.

[0066] Optionally, the electronic cigarette airflow sensor further includes a sealing element 5, which is disposed between the substrate 1 and the housing 2.

[0067] like Figure 1 As shown, in this embodiment of the invention, a sealing element 5 is provided between the substrate 1 and the outer shell 2. The sealing element 5 can be a sealant such as resin, which enables convenient circumferential connection and sealing between the substrate 1 and the outer shell 2, and also facilitates the formation of a receiving cavity 21 between the substrate 1 and the outer shell 2. The sealant application process is simple, which is conducive to automated application and also improves the application efficiency of the electronic cigarette airflow sensor.

[0068] Optionally, the electronic cigarette airflow sensor further includes a dustproof mesh 6, which is disposed on the first through hole 22.

[0069] like Figure 1 As shown, the electronic cigarette airflow sensor in this embodiment of the invention may further include a dustproof mesh 6, which may be a mesh structure. The dustproof mesh 6 is disposed on the first through hole 22, that is, the dustproof mesh 6 covers the first through hole 22, so that the dustproof mesh 6 can prevent foreign objects from entering the receiving cavity 21 through the first through hole 22 and affecting the normal operation of the detection component 3, thereby improving the working reliability of the electronic cigarette airflow sensor.

[0070] According to another aspect of the present invention, an electronic cigarette is provided. The electronic cigarette includes the electronic cigarette airflow sensor described in any one of the preceding claims, and the electronic cigarette shall possess the technical effects of the aforementioned electronic cigarette airflow sensor.

[0071] The above embodiments mainly describe the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a better embodiment. For the sake of brevity, they will not be elaborated here.

[0072] While specific embodiments of the invention have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. An electronic cigarette airflow sensor, characterized in that, The system includes a substrate (1) having a mounting groove (11) configured to penetrate the substrate (1), and an annular mounting flange (12) on the sidewall of the mounting groove (11). It also includes: The outer shell (2) is disposed on the substrate (1), and the outer shell (2) and the substrate (1) form a receiving cavity (21). A first through hole (22) is provided on the side of the outer shell (2) away from the substrate (1), and the first through hole (22) communicates with the receiving cavity (21). The detection component (3) is located in the mounting groove (11), the detection component (3) is disposed on the annular mounting flange (12), and the sensing part of the detection component (3) is connected to the receiving cavity (21); An ASIC chip (4) is located in the receiving cavity (21). The ASIC chip (4) is disposed on the substrate (1) and misaligned with the mounting groove (11). The detection component (3) and the ASIC chip (4) are electrically connected. The annular mounting flange (12) is circumferentially surrounded on the side wall of the mounting groove (11), and the detection component (3) is circumferentially connected to the annular mounting flange (12); The annular mounting flange (12) includes a first surface and a second surface opposite to each other, the first surface being away from the receiving cavity (21) and the second surface being close to the receiving cavity (21). The detection assembly (3) includes a diaphragm (31) and an electrode plate (32), the diaphragm (31) being disposed on the second surface and the electrode plate (32) being disposed on the first surface. The diaphragm (31) is flush with the substrate (1) on the side facing the cavity (21), and / or the electrode plate (32) is flush with the substrate (1) on the side away from the cavity (21).

2. The electronic cigarette airflow sensor according to claim 1, characterized in that, The electrode plate (32) has a second through hole (321) which is connected to the diaphragm (31).

3. The electronic cigarette airflow sensor according to claim 2, characterized in that, The second through hole (321) is opposite to the middle of the diaphragm (31).

4. The electronic cigarette airflow sensor according to claim 2, characterized in that, The size of the second through hole (321) is smaller than the size of the first through hole (22).

5. An electronic cigarette airflow sensor according to claim 1, characterized in that, It also includes a seal (5) disposed between the substrate (1) and the housing (2).

6. The electronic cigarette airflow sensor according to claim 1, characterized in that, It also includes a dustproof net (6), which is disposed on the first through hole (22).

7. An electronic cigarette, characterized in that, Includes the electronic cigarette airflow sensor as described in any one of claims 1 to 6.

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