Atomization core assembly and electronic atomization device

Abstract

The application provides an atomizing core assembly and an electronic atomizing device, and relates to the technical field of aerosol generation. The atomizing core assembly comprises a heating assembly, a base, a sealing seat and a gas pressure sensing element. The base is provided with an air inlet hole. The sealing seat and the base enclose a gas passing cavity in communication with an atomizing cavity. The gas passing cavity is in communication with the air inlet hole, so that when an aerosol generating substrate is being sucked, the airflow enters the gas passing cavity from the air inlet hole, and then enters the atomizing cavity and the aerosol generating substrate through the gas passing cavity. The gas pressure sensing element is used for sensing the change of the gas pressure in the gas passing cavity. Since the air inlet hole is arranged on the base, the volume of the gas passing cavity in the embodiment of the application can be relatively small. When the user sucks away the gas in the gas passing cavity, the change of the gas pressure in the gas passing cavity is more obvious, so that the gas pressure sensing element can more easily sense the change of the gas pressure in the gas passing cavity, and the problem of poor sensitivity of the electronic atomizing device in the prior art when recording the number of puffs is solved.

Description

Technical Field

[0001] This application relates to the field of aerosol generation technology, specifically to atomizing core components and electronic atomizing devices. Background Technology

[0002] Electronic atomizing devices use heating elements to heat liquids containing specific ingredients to their boiling point, causing them to evaporate rapidly and form tiny droplets. These droplets suspend in the air to form aerosols, which are then inhaled by the user.

[0003] In related technologies, electronic atomizing devices typically require airflow exchange with the outside environment so that users can inhale the aerosol within the device along with the air. Currently, to facilitate monitoring of the user's inhalation volume, many electronic atomizing devices have added a puff counting function. This mainly uses the microphone to sense pressure changes in a specific area within the electronic atomizing device to record the number of puffs taken. However, in these technologies, electronic atomizing devices suffer from poor sensitivity in puff counting. Utility Model Content

[0004] The purpose of this application is to provide an atomizer core assembly and an electronic atomizing device to improve the poor sensitivity of current electronic atomizing devices when counting puffs.

[0005] This application provides an atomizing core assembly for use in an electronic atomizing device. The atomizing core assembly has an atomizing chamber for inserting an aerosol generating matrix. The atomizing core assembly includes a heating element, a base, a sealing seat, and a pressure sensing element. The heating element is used to heat the aerosol generating matrix inserted into the atomizing chamber. The base is used to mount the heating element and has an air inlet. The sealing seat and the base form a gas passage chamber communicating with the atomizing chamber. The gas passage chamber communicates with the air inlet, allowing airflow to enter the gas passage chamber from the air inlet when the aerosol generating matrix is ​​drawn in, and then enter the atomizing chamber and the aerosol generating matrix. The pressure sensing element is used to sense pressure changes within the gas passage chamber.

[0006] In one embodiment, the atomizing core assembly further includes: a core shell, the core shell being connected to the base, the heating element being located inside the core shell, and an air intake channel communicating with the air intake hole being formed inside the core shell, wherein the flow area of ​​the air intake hole is smaller than the flow area of ​​the air intake channel.

[0007] In one embodiment, the heating element and the core shell form the air intake channel.

[0008] In one embodiment, the heating component includes: a heating tube that forms part of the atomizing chamber, and the air intake channel is an annular channel formed by the heating tube and the core shell.

[0009] In one embodiment, the heating element is clamped between the base and the core shell.

[0010] In one embodiment, the sealing seat seals the connection between the core shell and the base.

[0011] In one embodiment, multiple air inlets are provided, and the multiple air inlets are distributed on the base.

[0012] In one embodiment, the atomizing core assembly further includes a sealed sensing cavity, at least a portion of which is located within the sealing seat. The atomizing core assembly also includes an elastic membrane separating the sensing cavity from the air passage cavity. The air pressure sensing element senses changes in the air pressure of the air passage cavity by detecting the air pressure in the sensing cavity.

[0013] In one embodiment, the atomizing core assembly further includes a support member, which, together with the sealing seat, forms the sensing cavity.

[0014] This application also provides an electronic atomizing device, including a power supply assembly and an atomizing core assembly as described above, wherein the power supply assembly is used to supply power to the pressure sensing element.

[0015] According to the atomizing core assembly in the above embodiments, an air inlet is provided on the base for mounting the heating element, and an air passage chamber is formed by the base and a sealing element, connecting the air inlet to the atomizing chamber and the air passage chamber to the atomizing chamber. A pressure sensing element is provided to detect pressure changes in the air passage chamber. When the aerosol generating matrix is ​​drawn in, the airflow enters the air passage chamber through the air inlet, passes through the air passage chamber, and enters the aerosol generating matrix in the atomizing chamber. Because the air passage chamber is located on the base and is close to the atomizing chamber, and the air inlet is located on the base, the pressure change in the air passage chamber is faster and more pronounced when the user draws in air that carries away the air from the air passage chamber. This allows the pressure sensing element to more easily detect the pressure changes in the air passage chamber, solving the problem of poor sensitivity when counting inhalations in existing electronic atomizing devices. Applying the above-described atomizing core assembly to an electronic atomizing device can also solve the aforementioned technical problems. Attached Figure Description

[0016] Figure 1 An assembly diagram of an electronic atomizing device and an aerosol generating matrix provided for embodiments of this application;

[0017] Figure 2 Figure 1A sectional view;

[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is a cross-sectional view of an electronic atomizing device provided in an embodiment of this application.

[0020] in:

[0021] 1. Electronic atomizing device; 10. Atomizing core assembly; 110. Atomizing chamber; 120. Heating element; 121. Heating tube; 130. Base; 131. Air inlet; 132. Shielding part; 140. Sealing seat; 150. Air passage chamber; 160. Air pressure sensing element; 170. Core shell; 171. Air inlet channel; 180. Sensing chamber; 190. Elastic diaphragm; 191. Support component;

[0022] 20. Power supply assembly; 30. Housing;

[0023] 2. Aerosol generation matrix. Detailed Implementation

[0024] The present application will be further described in detail below with reference to specific embodiments and accompanying drawings. Similar elements in different embodiments are referred to by associated similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0025] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments, and the operational steps involved in each embodiment can also be rearranged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for clearly describing a particular embodiment and do not imply that they represent the necessary components and / or order.

[0026] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).

[0027] Please also refer to Figures 1-3 This application provides an electronic atomizing device 1, which includes a housing 30, a power supply component 20, and an atomizing core component 10. The power supply component 20 and the atomizing core component 10 are electrically connected, and the power supply component 20 supplies power to the atomizing core component 10. Both the power supply component 20 and the atomizing core component 10 are disposed within the housing 30. This application does not limit the specific structure and form of the housing 30 and the power supply component 20. For example, in some embodiments, the housing 30 may be provided with a long, ellipsoidal structure for easy gripping by the user. The power supply component 20 may include a battery and a circuit board, etc. For details, please refer to the relevant content in the prior art.

[0028] Please see Figure 2 and Figure 3 In this embodiment, the atomizing core assembly 10 includes a heating element 120, a base 130, a sealing seat 140, and a pressure sensing element 160. The atomizing core assembly 10 also has an atomizing chamber 110 for inserting the aerosol generating matrix 2. The pressure sensing element 160 is used to sense the pressure change in the air chamber 150.

[0029] The heating element 120 is used to heat the aerosol generating matrix 2 inserted into the atomization chamber 110. This application does not limit the specific structure and form of the heating element 120. For example, in one embodiment, the heating element 120 can be in the form of a heating needle. In this embodiment, the heating element 120 can be inserted into the body of the aerosol generating matrix 2 to heat it. In another embodiment, the heating element 120 can also be in the form of a heating tube 121. In this embodiment, a portion of the atomization chamber 110 can form an area surrounded by the heating tube 121, and the aerosol generating matrix 2 can be inserted into the heating tube 121 so that the heating element 120 can transfer heat to the aerosol generating matrix 2, thereby heating it. It is understood that the embodiments of this application do not limit the specific formation of the atomizing chamber 110. In addition to the above-described embodiments, a separate chamber can be provided in the outer shell 30 as the atomizing chamber 110. In this embodiment, the heating component 120 can extend at least partially into the atomizing chamber 110. The specific form can be set according to the actual situation.

[0030] The base 130 is used to install and fix the heating component 120, so that the heating component 120 can stably supply heat to a certain area, such as the atomizing chamber 110, thereby heating the aerosol generating matrix 2 inserted into the atomizing chamber 110. In this embodiment, the base 130 is provided with an air inlet 131, which is connected to the atomizing chamber 110, so that the gas in the atomizing chamber 110 can exchange with the outside gas when the user draws out the aerosol generated by the aerosol generating matrix 2. When the user draws out the gas mixed with aerosol in the atomizing chamber 110, the outside air can be replenished into the atomizing chamber 110 through the air inlet 131. This application does not limit the specific structure and form of the base 130. For example, in one embodiment, the base 130 can be set as a cylindrical structure, and part of the heating component 120 can be inserted into the base 130 to fix the heating component 120.

[0031] It should be noted that the embodiments of this application do not limit the specific number or location of the air inlets 131. For example, in one embodiment, multiple air inlets 131 can be provided, which can improve the fault tolerance of the entire airflow circulation. It is understood that since the air inlets 131 are connected to the air passage chamber 150, and the air passage chamber 150 is connected to the atomizing chamber 110, the aerosol in the atomizing chamber 110 may flow through the air inlets 131, causing the air inlets 131 to become blocked. Therefore, by setting multiple air inlets 131, even if one of the air inlets 131 becomes blocked, the aforementioned airflow circulation will not be affected. In a specific embodiment, the axial projection of the base 130 can be evenly distributed on the projection of the base 130, which can make the gas exchange between the atomizing chamber 110 and the air passage chamber 150 more uniform.

[0032] Please also refer to Figure 2 and Figure 4 The sealing seat 140 is connected to the base 130, and the atomizing chamber 110 and the base 130 form an air passage 150 that communicates with the atomizing chamber 110. It can be understood that, in this embodiment, the base 130 is also provided with a connecting channel for connecting the atomizing chamber 110 and the air passage 150. In this embodiment, the atomizing chamber 110 and the air passage 150 are arranged side by side and separated by the base 130. The air passage 150 is connected to the air inlet 131 and is used to supply airflow from the air inlet 131 into the air passage 150 when the aerosol generating matrix 2 is drawn, and then through the air passage 150 into the atomizing chamber 110 and into the aerosol generating matrix 2.

[0033] In a preferred embodiment, the connection between the sealing seat 140 and the base 130 can be a sealed connection, which allows the air passage chamber 150 to communicate with the outside only through the air inlet 131, which helps to improve the sealing performance of the entire air passage chamber 150.

[0034] Furthermore, in one embodiment, the base 130 may also have a blocking part 132 extending into the air passage 150. The blocking part 132 is used to block the air inlet 131 from the connecting channel. That is, in this embodiment, the blocking part 132 can prevent the distance between the air inlet 131 and the connecting channel from being too close, so that when the user is sucking, the gas in the air passage 150 is directly exchanged through the connecting channel and the air inlet 131. Since the other end of the air inlet 131 and the connecting channel are connected to the outside, this will result in the total amount of gas in the air passage 150 not changing significantly during the user's sucking process. This may make it difficult for the air pressure sensing element 160 to sense the air pressure change in the air passage 150, which is not conducive to the air pressure sensing element 160 recording the number of sucking holes of the user.

[0035] Understandably, in this embodiment, because a baffle 132 extending into the air passage 150 is provided, when the user inhales, the airflow needs to first bypass the baffle 132, then pass through the interior of the air passage 150, and finally pass through the air inlet 131 to achieve airflow circulation. In other words, in this embodiment, the baffle 132 divides the air passage 150 into two regions, allowing the airflow to pass through both regions during inhalation. This ensures that a large portion of the gas within the air passage 150 can be exchanged, preventing or reducing situations where little or no gas exchange occurs within the air passage 150, resulting in no significant pressure change within the air passage 150.

[0036] In addition, since the volume of the air passage 150 also affects the pressure change within the air passage 150 when the user inhales, the smaller the volume of the air passage 150, the more obvious the pressure change within the air passage 150 when the user inhales. Therefore, since the aforementioned shielding part 132 extends into the air passage 150, it can also reduce the volume of the air passage 150, which helps to make the pressure change within the air passage 150 more obvious when the user inhales. This makes it easier for the air pressure sensing element 160 to sense the air pressure change within the air passage 150, and thus facilitates the air pressure sensing element 160 in recording the number of inhalations by the user.

[0037] This application does not limit the specific form and structure of the pressure sensing element 160. For example, in one embodiment, the pressure sensing element 160 can be a pressure sensor, such as a microphone, etc., and can be set according to the actual situation. Furthermore, this application does not limit the specific location of the pressure sensing element 160.

[0038] For example, in one embodiment, the atomizing core assembly 10 may also have a sealed sensing cavity 180, and the atomizing core assembly 10 further includes an elastic membrane 190. The sensing cavity 180 and the air passage cavity 150 are arranged side by side, and the sensing cavity 180 and the air passage cavity 150 are separated by the elastic membrane 190.

[0039] This application embodiment does not limit the specific location of the sensing cavity 180 and the air passage cavity 150. For example, in this embodiment, the sensing cavity 180 can be located below the air passage cavity 150, and the air passage cavity 150 can be located below the atomizing cavity 110. This makes the entire electronic atomizing device 1 occupy less space in the horizontal direction, thus making it easier for the user to hold.

[0040] It should be noted that in this embodiment, the elastic membrane 190 can deform when subjected to external force. In this embodiment, when the user inhales the aerosol generated by the aerosol generating matrix 2, the gas in the gas passage chamber 150 will be drawn out, thereby reducing the pressure in the gas passage chamber 150. The elastic membrane 190 will further bulge in the direction of the gas passage chamber 150, thereby increasing the volume in the sensing chamber 180 and reducing the pressure in the sensing chamber 180. In this embodiment, the air pressure sensing element 160 is disposed in the sensing chamber 180. At this time, the air pressure sensing element 160 can sense the pressure change in the sensing chamber 180, thereby triggering the air pressure sensing element 160 to achieve the effect of recording the number of suction ports.

[0041] Please continue reading. Figure 2 and Figure 4 This application does not limit the specific formation of the sensing cavity 180. For example, in one embodiment, the atomizing core assembly 10 further includes a support member 191, which is disposed inside the housing 30 and can be fixedly connected to the housing 30. The support member 191 and the sealing seat 140 seal and enclose the sensing cavity 180, so that the total amount of gas in the sensing cavity 180 is not affected by the outside, and the pressure change in the sensing cavity 180 is only related to the volume of the sensing cavity 180. That is to say, in this application embodiment, the variable affecting the pressure in the sensing cavity 180 is controlled, so that the pressure in the sensing cavity 180 is only related to whether the user inhales, which is beneficial to improving the accuracy of the air pressure sensing element 160 in recording the number of inhalations.

[0042] Furthermore, in this embodiment, when the user inhales the aerosol in the atomizing chamber 110, outside air can enter the air passage chamber 150 through the air inlet 131 on the base 130, and then enter the atomizing chamber 110 through the air passage chamber 150. Since the air inlet 131 is opened on the base 130 in this embodiment, the volume of the air passage chamber 150 is relatively small. Therefore, when the gas in the air passage chamber 150 is sucked away, the air pressure change in the air passage chamber 150 will be more obvious, and thus the airtightness of the aforementioned airflow channel is better.

[0043] For further information, please refer to the following: Figure 2 and Figure 3 In one embodiment, the atomizing core assembly 10 further includes a core shell 170, which is connected to the base 130, and the heating element 120 is located inside the core shell 170. That is, in this embodiment, the heating element 120 is sandwiched between the base 130 and the core shell 170, which can avoid or reduce the possibility of the heating element 120 shaking during normal operation, thereby enabling the heating element 120 to accurately heat the aerosol generating matrix 2 inserted into the atomizing chamber 110.

[0044] In this embodiment, an air intake channel 171 communicating with the air intake hole 131 is formed inside the core shell 170. The flow area of ​​the air intake hole 131 is smaller than that of the air intake channel 171. That is to say, in this embodiment, the cross-sectional dimension of the air intake channel 171 is smaller than that of the air intake hole 131. This allows the suction resistance to be determined by the size of the air intake hole 131 during the user's suction process. Since the air intake hole 131 is formed on the base 130, the air intake hole 131 that determines the suction resistance is surrounded by only one structure. This ensures better airtightness at the air intake hole 131, thereby making the user's suction resistance more consistent.

[0045] Furthermore, in this embodiment, the air intake channel 171 is located between the core shell 170 and the heating component 120. Therefore, this embodiment does not require an additional air intake channel 171 to be provided inside the outer shell 30, which allows the entire electronic atomizing device 1 to be set smaller and more convenient for users to hold and carry.

[0046] Meanwhile, since the flow area of ​​the air inlet 131 is small, the speed at which the air inlet channel 171 replenishes the gas to the air passage 150 during the user's suction process will be less than the speed at which the user extracts the gas from the air passage 150. This allows the air passage 150 to maintain a continuous low-pressure state, which makes it easier for the air pressure sensing element 160 to sense the air pressure changes in the air passage 150, thereby improving the sensitivity of the air pressure sensing element 160 when recording the number of suction ports.

[0047] As mentioned above, in one specific embodiment, the heating element 120 is a heating tube 121, which forms part of the atomizing chamber 110. The air inlet channel 171 is an annular channel formed by the heating tube 121 and the core shell 170. This allows the air inlet channel 171 to have a large flow area. When the user inhales the gas in the air passage 150, there is enough air to be replenished into the air passage 150 through the air inlet 131. This avoids or reduces the problem that the gas in the air passage 150 is difficult to replenish for a long time due to being inhaled by the user, which affects the user's next inhalation.

[0048] Furthermore, in this embodiment, since the air intake channel 171 is an annular channel and is located on one side of the heating tube 121, when the heating tube 121 heats the aerosol generating matrix 2, the heat from the heating tube 121 is transferred not only to the aerosol generating matrix 2 but also to the air intake channel 171, heating the gas in the air intake channel 171. This preheats the gas in the air intake channel 171, avoiding or reducing the possibility of liquefaction of the gas in the air intake channel 171 after entering the atomization chamber 110, thereby facilitating the generation of aerosols and making it easier for the user to extract the aerosols.

[0049] The working principle of the electronic atomizing device 1 provided in the embodiments of this application is as follows:

[0050] First, the user can insert the aerosol generating matrix 2 into the atomizing chamber 110. The heating element generates heat under the function of the power supply component 20 and heats the aerosol generating matrix 2, so that the aerosol generating matrix 2 generates aerosol in the atomizing chamber 110.

[0051] Then, the user can draw air from the aerosol generating matrix 2 to extract the aerosol in the atomizing chamber 110 along with the air in the atomizing chamber 110. Since the atomizing chamber 110 is connected to the air passage chamber 150, the gas lost in the atomizing chamber 110 will be replenished from the air passage chamber 150. At this time, the gas in the air passage chamber 150 decreases. The gas in the air passage chamber 150 is replenished through the air inlet 131 on the base 130. Since the size of the air inlet 131 is small, the rate at which the gas is lost in the air passage chamber 150 is greater than the rate at which the air inlet 131 replenishes the gas in the air passage chamber 150. At this time, the pressure in the air passage chamber 150 decreases. Furthermore, since the air inlet 131 is located on the base 130, the volume of the air passage chamber 150 can be made smaller. After the air passage chamber 150 loses gas, the change in air pressure in the air passage chamber 150 is more obvious.

[0052] At this time, the elastic membrane 190 bulges towards the air passage 150, and the bulge is larger, which reduces the air pressure in the sensing cavity 180 and makes the reduction of air pressure in the sensing cavity 180 more obvious. The air pressure sensing element 160 located in the sensing cavity 180 can sense the change in air pressure in the sensing cavity 180 to accurately record the number of breaths taken by the user.

[0053] In summary, the atomizing core assembly 10 provided in this application embodiment, by providing an air inlet 131 on the base 130 for mounting the heating component 120, and using the base 130 and a sealing member to form an air passage chamber 150, connects the air inlet 131 to the atomizing chamber 110 and the air passage chamber 150 to the atomizing chamber 110. Simultaneously, a pressure sensing element 160 is provided to sense changes in the air pressure of the air passage chamber 150. When the aerosol generating matrix 2 is drawn in, the airflow enters the air passage chamber 150 from the air inlet 131 and passes through the air passage chamber 150... The aerosol generating matrix 2 enters the atomization chamber 110. Since the air passage chamber 150 is located at the base 130, and is close to the atomization chamber 110, and the air inlet 131 is located on the base 130, when the user inhales and removes gas from the air passage chamber 150, the pressure change within the air passage chamber 150 is faster and more pronounced. This allows the pressure sensing element 160 to more easily detect the pressure change within the air passage chamber 150, solving the problem of poor sensitivity when counting inhalations in existing electronic atomization devices 1. Applying the aforementioned atomizing core assembly 10 to the electronic atomization device 1 can also solve the above-mentioned technical problems.

[0054] The above examples illustrate this application only to aid understanding and are not intended to limit its scope. Those skilled in the art to which this application pertains can make various simple deductions, modifications, or substitutions based on the ideas presented.

Claims

1. An atomizing core assembly, used in an electronic atomizing device, characterized in that, The atomizing core assembly has an atomizing chamber for inserting an aerosol generation matrix, and the atomizing core assembly includes: A heating element for heating an aerosol generation matrix inserted into the atomizing chamber; A base for mounting the heating element, and an air inlet is provided on the base; A sealing seat, the sealing seat and the base forming an air passage chamber communicating with the atomizing chamber, the air passage chamber communicating with the air inlet, for supplying airflow from the air inlet into the air passage chamber when the aerosol generating matrix is ​​drawn, and then through the air passage chamber into the atomizing chamber and into the aerosol generating matrix; and A pressure sensing element is used to sense changes in air pressure within the air passage chamber.

2. The atomizing core assembly as described in claim 1, characterized in that, The atomizing core assembly further includes: a core shell, which is connected to the base, and the heating element is located inside the core shell. An air intake channel communicating with the air intake hole is formed inside the core shell, and the flow area of ​​the air intake hole is smaller than the flow area of ​​the air intake channel.

3. The atomizing core assembly as described in claim 2, characterized in that, The heating element and the core shell form the air intake channel.

4. The atomizing core assembly as described in claim 3, characterized in that, The heating component includes a heating tube that forms part of the atomizing chamber, and the air intake channel is an annular channel formed by the heating tube and the core shell.

5. The atomizing core assembly as described in claim 2, characterized in that, The heating element is clamped between the base and the core shell.

6. The atomizing core assembly as described in claim 2, characterized in that, The sealing seat seals the connection between the core shell and the base.

7. The atomizing core assembly as described in any one of claims 1-6, characterized in that, The air inlet is provided in multiple ways, and the multiple air inlets are distributed on the base.

8. The atomizing core assembly as described in any one of claims 1-6, characterized in that, The atomizing core assembly also has a sealed sensing cavity, at least a portion of which is located within the sealing seat. The atomizing core assembly further includes an elastic membrane that separates the sensing cavity from the air passage cavity. The air pressure sensing element senses the air pressure change in the air passage cavity by detecting the air pressure in the sensing cavity.

9. The atomizing core assembly as described in claim 8, characterized in that, The atomizing core assembly further includes a support member, which, together with the sealing seat, forms the sensing cavity.

10. An electronic atomizing device, characterized in that, include: The power supply assembly and the atomizing core assembly as described in any one of claims 1-9, wherein the power supply assembly is used to supply power to the pressure sensing element.

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