Electronic cigarette microphone and electronic cigarette

Abstract

The utility model provides an electronic cigarette microphone and an electronic cigarette, the electronic cigarette microphone comprises a circuit board, a main control chip and an MEMS sensor, the main control chip and the MEMS sensor are arranged on the circuit board, the main control chip and the MEMS sensor are electrically connected with the circuit board, and the main control chip is electrically connected with the MEMS sensor; the main control chip is provided with a plurality of functional modules and open programming interfaces, and each programming interface corresponds to one functional module and is used for setting execution parameters of the functional module; the MEMS sensor is used for detecting gas flow and sending a flow detection result to the main control chip; and the main control chip is used for controlling whether a heating wire of the electronic cigarette is heated or not according to the flow detection result. According to the electronic cigarette microphone and the electronic cigarette, the assembly process is simple, the microphone has multiple functions, and different requirements of different users can be met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic cigarettes, in particular to an electronic cigarette microphone and an electronic cigarette. BACKGROUND

[0002] The main function of the electronic cigarette microphone is to receive the user's inhaling signal, so as to control the opening and closing of the electronic cigarette.

[0003] The inventor found at least the following problems in the prior art during the implementation of the present application: the existing electronic cigarette microphone is limited by the temperature resistance of the internal components, many of which cannot be installed in the SMT (Surface Mount Technology) mode, and cannot withstand the high temperature in the SMT process, resulting in complex assembly process and low efficiency. Or, in some existing products, although SMT installation can be supported, the function of the electronic cigarette microphone is too single, and the parameters cannot be adjusted according to the user's demand, and different users' different needs cannot be met. SUMMARY

[0004] Therefore, the present application provides an electronic cigarette microphone and an electronic cigarette to at least one of the problems of complex assembly process and single function in the prior art.

[0005] To achieve the above-mentioned purpose, the technical scheme of the embodiments of the present application is as follows:

[0006] On the one hand, the present application provides an electronic cigarette microphone, which comprises a circuit board, a main control chip and a MEMS sensor respectively arranged on the circuit board, the main control chip and the MEMS sensor are electrically connected with the circuit board respectively, and the main control chip and the MEMS sensor are electrically connected; a plurality of function modules and an open programming interface are arranged on the main control chip, each programming interface corresponds to one function module, and is used for setting the execution parameters of the function module; the MEMS sensor is used for detecting the flow of gas and sending the flow detection result to the main control chip; the main control chip is used for controlling the heating of the heating wire of the electronic cigarette according to the flow detection result.

[0007] In one embodiment, the function module includes one or more of microphone sensitivity detection and adjustment module, heating wire state detection module, power output control module, power management module and light display control module.

[0008] In one embodiment, the electronic cigarette microphone further comprises a MOS tube, the MOS tube and the main control chip are integrated in the same control module through QFN packaging, the MOS tube and the main control chip are electrically connected through gold wire, and the control module and the circuit board are electrically connected.

[0009] In one of the embodiments, the electronic cigarette microphone further comprises a MOS tube arranged on the circuit board, the MOS tube and the master control chip are respectively bare chips without packaging, the MOS tube and the master control chip are electrically connected by gold wires, and the MOS tube is electrically connected with the circuit board.

[0010] In one of the embodiments, the MOS tube is connected with the circuit board in an SMT mode.

[0011] In one of the embodiments, the master control chip and the MEMS sensor are respectively connected with the circuit board in an SMT mode.

[0012] In one of the embodiments, the electronic cigarette microphone further comprises a shell, the shell is arranged on the circuit board and forms a space together with the circuit board for accommodating various electronic components of the electronic cigarette microphone.

[0013] In one of the embodiments, a first air hole is arranged on the shell away from the circuit board, and a second air hole is arranged on the circuit board corresponding to the MEMS sensor.

[0014] The electronic cigarette microphone further comprises a first oil-proof gauze and a second oil-proof gauze, the first oil-proof gauze is arranged on the shell and used for shielding the first air hole, and the second oil-proof gauze is arranged on the circuit board and used for shielding the second air hole.

[0015] In one of the embodiments, the first oil-proof gauze is arranged on the inner side surface or the outer side surface of the shell, and the second oil-proof gauze is arranged on the inner side surface of the circuit board.

[0016] In another aspect, the embodiments of the present application provide an electronic cigarette comprising the electronic cigarette microphone as described above.

[0017] The electronic cigarette microphone provided by the present application adopts a MEMS sensor, which can withstand high temperature in the SMT installation process, can facilitate the electronic cigarette microphone to be installed in an SMT mode, can make the installation process simple, and can also improve the installation efficiency. The master control chip of the electronic cigarette microphone is provided with a plurality of function modules, and is further provided with an open programming interface for adjusting the execution parameters of the function modules. On the premise of realizing the multifunctionalization of the electronic cigarette, different needs of different users can also be met. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a sectional structure schematic view of the electronic cigarette microphone of an embodiment of the present application (the first oil-proof gauze is arranged on the outer side surface of the shell).

[0019] Figure 2This is a cross-sectional view of an electronic cigarette microphone according to another embodiment of this application (the first oil-proof mesh is disposed on the inner surface of the outer shell).

[0020] Figure 3 for Figure 1 A schematic diagram of the exploded structure of an electronic cigarette microphone.

[0021] Figure 4 for Figure 3 A top-view diagram of the internal structure of an electronic cigarette microphone.

[0022] Figure 5 A cross-sectional view of an electronic cigarette microphone according to another embodiment of the application (the first oil-proof mesh is arranged on the outer surface of the outer shell).

[0023] Figure 6 A cross-sectional view of an electronic cigarette microphone according to another embodiment of the application (the first oil-proof mesh is disposed on the inner surface of the outer shell).

[0024] Figure 7 for Figure 5 A schematic diagram of the exploded structure of an electronic cigarette microphone.

[0025] Figure 8 for Figure 7 A top-view diagram of the internal structure of an electronic cigarette microphone.

[0026] Figure 9 This is a three-dimensional structural diagram of the electronic cigarette microphone from one perspective, representing an embodiment of this application.

[0027] Figure 10 This is a three-dimensional structural diagram of the electronic cigarette microphone from another perspective, representing an embodiment of this application.

[0028] The meanings of the labels in the attached diagram are as follows:

[0029] 1. Outer shell; 11. First vent; 2. Circuit board; 21. Second vent; 3. Main control chip; 4. MEMS sensor; 5. MOS transistor; 6. Control module; 7. First oil-proof mesh; 8. Second oil-proof mesh; 9. Gold wire. Detailed Implementation

[0030] The technical solution of this application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to limit the ways in which this application may be implemented. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0032] In the description of the present application, it is to be understood by those skilled in the art that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does 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 cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] Please refer to Figure 1 and Figure 2 The electronic cigarette microphone of the embodiment of the present application comprises a circuit board 2, a main control chip 3 and a MEMS sensor 4 respectively arranged on the circuit board 2, the main control chip 3 and the MEMS sensor 4 are respectively electrically connected with the circuit board 2, and the main control chip 3 and the MEMS sensor 4 are electrically connected; a plurality of functional modules and an open programming interface are arranged on the main control chip 3, each programming interface corresponds to a functional module, and is used for setting the execution parameters of the functional module; the MEMS sensor 4 is used for detecting the flow of gas and sending the flow detection result to the main control chip 3; the main control chip 3 is used for controlling whether the heating wire of the electronic cigarette is heated according to the flow detection result.

[0035] Specifically, as shown in Figure 3 and Figure 4 In the present embodiment, the circuit board 2 is a square PCB (printed circuit board), and the main control chip 3 is an MCU (microcontroller).

[0036] The function modules at least include one or more of the microphone sensitivity detection and adjustment module, the heating wire state detection module, the power output control module, the power management module and the lamp display control module. The programming interface, i.e. the I / O port of the master control chip 3, the number of open I / O ports can be selected according to actual needs, for example, the number of open I / O ports can be selected to be not less than 16. The user can use special software to program externally to control the setting of the relevant parameters in the master control chip 3, thereby realizing the control of the microphone sensitivity detection and adjustment, the heating wire state detection, the power output mode, the power management and the lamp display. The setting of the programming interface and the function modules solves the problems of the fixed relevant parameters and functions of the products in the industry, the terminal customers cannot adjust the parameters according to different project requirements and the materials are not universal, at the same time, the design of the whole hardware circuit system is simplified, and the complexity of the system design is reduced. For example, the electronic cigarette microphone supports the microphone sensitivity detection and adjustment function, the capacitance value of the MEMS sensor 4 changes with the airflow, and the microphone sensitivity, i.e. the trigger threshold (when the trigger threshold is reached, the master control chip 3 controls the electronic cigarette to start working, and the heating wire starts heating), the microphone sensitivity detection and adjustment module can detect the capacitance change value of the MEMS sensor 4, and control the electronic cigarette to start when the detection value reaches the trigger threshold. If the trigger threshold does not meet the actual use requirement, the trigger threshold can be adjusted by the master control chip 3 to achieve the appropriate sensitivity, and the adjustment includes the sensitivity center value and the dispersion degree. The design solves the problems of the unadjustable microphone sensitivity and the poor consistency of the microphone sensitivity.

[0037] As shown in Figure 5 to Figure 8 In one embodiment, the electronic cigarette microphone further includes a MOS tube 5, the MOS tube 5 and the master control chip 3 are integrated in the same control module 6 through QFN packaging (quad flat no-lead packaging), the MOS tube 5 and the master control chip 3 are electrically connected through a gold wire 9, and the control module 6 and the circuit board 2 are electrically connected.

[0038] At this time, the master control chip 3, the MEMS sensor 4 and the MOS tube 5 can be connected with the circuit board 2 in the SMT mode, for example, the master control chip 3 and the MOS tube 5 can adopt the composite wafer binding process mode, for example, can be connected to the circuit board 2 through the metal wire to realize the transmission of the electronic signal. The MEMS sensor 4 can be connected through the semiconductor wafer binding mode. The SMT mounting mode simplifies the production process of the client, reduces the labor cost, improves the production efficiency and reduces the failure rate of the product.

[0039] As shown in Figure 1 to Figure 4As shown in another embodiment, the electronic cigarette microphone further comprises a MOS tube 5, the MOS tube 5 and the master control chip 3 are both bare chips without packaging, the MOS tube 5 and the master control chip 3 are electrically connected by gold wires 9, the MOS tube 5 is fixed on the circuit board 2 by semiconductor process glue, and is electrically connected with the circuit board 2 by tin paste fixed connection. The MEMS sensor 4 can be connected with the circuit board 2 by semiconductor wafer binding, and can be fixed on the circuit board 2 by semiconductor process glue; the master control chip 3 can be connected by tin paste fixation or by semiconductor wafer binding, and can be selected according to the product design. The appropriate connection mode is fixed on the circuit board 2 by semiconductor process glue; the devices can be connected by the lines of the circuit board 2 or the gold wire 9 binding. Compared with the above electronic cigarette microphone structure (replaced by scheme one) in which the master control chip 3 and the MOS tube 5 are integrated in the same control module 6 by QFN packaging, the structure of the present embodiment directly uses a bare chip, and finally uses a semiconductor packaging process for packaging, which effectively reduces the production cost; and the structure of scheme one simplifies the packaging process, making the product packaging more easily realized.

[0040] As shown in Figure 9 and Figure 10 , the electronic cigarette microphone further comprises a shell 1, the shell 1 is arranged on the circuit board 2, and the shell 1 and the circuit board 2 together form a space for accommodating various electronic components of the electronic cigarette microphone. As shown in Figure 3 and Figure 7 , in the present embodiment, the shell 1 is a cylindrical shell structure with one end open, and the open end of the shell 1 is arranged towards the circuit board 2 during installation. The shell 1 covers the master control chip 3, the MEMS sensor 4 and the MOS tube 5 in the accommodation space formed with the circuit board 2, so as to protect the electronic components. The shell structure with an outer diameter of 6mm is adopted in the present embodiment, and the shell specification of 6mm is the mainstream sensor shell size at present. Therefore, the electronic cigarette microphone of the present embodiment can be compatible with the mainstream microphone structure at present, and the original mold can be continued to be used during production, without the need to increase the investment in new equipment, thereby saving the modification cost of the electronic cigarette complete machine.

[0041] As shown in Figure 1 and Figure 5As shown, the shell 1 is provided with a first air hole 11 on the side away from the circuit board 2, and the circuit board 2 is provided with a second air hole 21 corresponding to the MEMS sensor 4. The shell 1 is provided with the first air hole 11, i.e. the top wall of the shell 1 in the figure, and the number and size of the first air hole 11 can be set according to actual needs. The MEMS sensor 4 is provided with a soft diaphragm on the bottom of the side close to the circuit board 2, and a cavity is formed between the diaphragm and the circuit board 2. The circuit board 2 is provided with a second air hole 21 corresponding to the diaphragm, and the cavity between the diaphragm and the circuit board 2 is connected to the atmosphere or the whole machine air duct of the electronic cigarette through the second air hole 21. The other side surface of the diaphragm forms another cavity with the shell 1, and the cavity is connected to the atmosphere or the whole machine air duct of the electronic cigarette through the first air hole 11.

[0042] The electronic cigarette microphone further comprises a first oil-proof gauze 7 and a second oil-proof gauze 8. The first oil-proof gauze 7 is arranged on the shell 1 and used for shielding the first air hole 11. The second oil-proof gauze 8 is arranged on the circuit board 2 and used for shielding the second air hole 21. In the embodiment, the oil-proof gauzes are arranged on the shell 1 and the circuit board 2, so that the double oil-proof, acid-proof and air gel particle pollution-proof effects of the module are realized, and the product reliability of the electronic cigarette is greatly improved.

[0043] The first oil-proof gauze 7 is arranged on the inner side surface (as shown in Figure 2 and Figure 6 ) or the outer side surface (as shown in Figure 1 and Figure 5 ) of the shell 1. The second oil-proof gauze 8 is arranged on the inner side surface (as shown in Figure 2 and Figure 6 ) or the outer side surface (not shown) of the circuit board 2. That is, the first oil-proof gauze 7 is arranged on the surface of the top wall of the shell 1 on the side close to the circuit board 2 or on the surface of the top wall of the shell 1 on the side away from the circuit board 2. The second oil-proof gauze 8 is arranged on the surface of the circuit board 2 on the side close to the shell 1 or on the surface of the circuit board 2 on the side away from the shell 1. Preferably, the oil-proof gauzes are arranged on the inner side surfaces of the shell 1 and the circuit board 2.

[0044] The working process of the electronic cigarette microphone of the embodiment is as follows: when the microphone works, the smoker inhales to make the MEMS sensor 4 sense the airflow change. The flexible diaphragm of the MEMS sensor 4 deforms towards the direction of smaller air pressure, so as to change the capacitance of the MEMS sensor 4. The master control chip 3 detects the capacitance change amount of the MEMS sensor 4. When the capacitance change amount exceeds the trigger threshold, the master control chip 3 controls the other functional modules to start, and outputs the signal to the subsequent system through the solder pad on the circuit board 2, so as to start the whole electronic cigarette to work.

[0045] The application further provides an electronic cigarette comprising the electronic cigarette microphone of the above embodiment.

[0046] The electronic cigarette microphone and the electronic cigarette of the embodiment of the application integrate a programmable master control chip, a MEMS sensor with a capacitance change sensing function and a MOS tube with a selectable function. A user can program and control the microphone sensitivity adjustment, the heating wire state detection, the power output mode, the power management, the light display control and the like according to the requirements, so as to realize the product universality. The microphone detection is supported, the microphone sensitivity can be adjusted online, the consistency of the sensitivity is optimized, and the product yield is improved. The components of the microphone can be directly connected through SMT, the production process of the client is simplified, the labor cost is reduced, the production efficiency is improved and the failure rate is reduced. The microphone is provided with two oil-proof gauze, has a double oil-proof effect, and greatly improves the reliability of the product. The shell adopts a general size of 6mm in diameter, is compatible with the appearance of the mainstream products in the industry, realizes the mold compatibility design, and effectively reduces the equipment investment cost.

[0047] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles or devices that include a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles or devices. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of other identical elements in the process, method, article or device that includes the element.

[0048] The above is only a specific embodiment of the application, but the protection scope of the application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the application, which should be covered within the protection scope of the application. Therefore, the protection scope of the application should be subject to the protection scope of the claims.

Claims

1. An electronic cigarette microphone, characterized in that, The electronic cigarette includes a circuit board, a main control chip and a MEMS sensor arranged on the circuit board respectively, the main control chip and the MEMS sensor are electrically connected with the circuit board respectively, and the main control chip and the MEMS sensor are electrically connected; a plurality of functional modules and open programming interfaces are arranged on the main control chip, each programming interface corresponds to one functional module, and the execution parameters of the functional module are set through the programming interface; the MEMS sensor is used for detecting the gas flow and sending the flow detection result to the main control chip; and the main control chip is used for controlling the heating of the heating wire of the electronic cigarette according to the flow detection result.

2. The electronic cigarette tip of claim 1, wherein, The functional module includes one or more of a microphone sensitivity detection and adjustment module, a heating wire state detection module, a power output control module, a power management module and a light display control module.

3. The electronic cigarette of claim 1, wherein the diaphragm is a piezoelectric diaphragm. The MOS transistor and the main control chip are integrated in the same control module through QFN packaging, the MOS transistor and the main control chip are electrically connected through gold wires, and the control module and the circuit board are electrically connected.

4. The electronic cigarette tip of claim 1, wherein, The MOS transistor and the main control chip are respectively bare chips without packaging, the MOS transistor and the main control chip are electrically connected through gold wires, and the MOS transistor and the circuit board are electrically connected.

5. The electronic cigarette of claim 4, wherein the diaphragm is formed of a material that is substantially transparent to sound waves. 5 The MOS transistor is connected with the circuit board in an SMT mode.

6. The electronic cigarette tip of claim 1, wherein, The main control chip and the MEMS sensor are connected with the circuit board in an SMT mode respectively.

7. The electronic cigarette microphone as described in any one of claims 1 to 6, characterized in that, The electronic cigarette further includes a shell, the shell is arranged on the circuit board, and the shell and the circuit board together form a space for accommodating each electronic component of the electronic cigarette microphone.

8. The electronic cigarette of claim 7, wherein the diaphragm is formed of a material that is substantially transparent to sound waves. A first air hole is arranged on the shell away from the circuit board, and a second air hole is arranged on the circuit board corresponding to the MEMS sensor. The electronic cigarette further includes a first oil-proof gauze and a second oil-proof gauze, the first oil-proof gauze is arranged on the shell and used for shielding the first air hole, and the second oil-proof gauze is arranged on the circuit board and used for shielding the second air hole.

9. The electronic cigarette of claim 8, wherein the diaphragm is formed of a material that is substantially transparent to sound waves. The first oil-proof gauze is arranged on the inner side surface or the outer side surface of the shell, and the second oil-proof gauze is arranged on the inner side surface of the circuit board.

10. An electronic cigarette, characterized by The electronic cigarette includes the electronic cigarette microphone according to any one of claims 1 to 9.

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