Electronic atomization device and atomizer

Abstract

The utility model relates to the technical field of electronic atomization devices, and particularly discloses an electronic atomization device and an atomizer. The electronic atomization device comprises a liquid storage cavity, an atomization assembly, an air inlet, an air outlet, an airflow sensor and a cavity; the air inlet provides an airflow inlet for external air to enter the electronic atomization device; the air outlet provides an airflow outlet through which aerosol escapes from the electronic atomization device, and an airflow channel through which airflow flows is formed between the air inlet and the air outlet; the airflow sensor is used for sensing negative pressure in the airflow channel; the cavity is communicated with the airflow channel; the electronic atomization device further comprises a first air guide column and a second air guide column which are arranged in a spaced mode and at least partially extend into the cavity, the two ends of the first air guide column and the two ends of the second air guide column are communicated with the airflow sensor and the airflow channel respectively, and the extending height of the first air guide column in the cavity is larger than the extending height of the second air guide column in the cavity. In this way, the situation that the airflow sensor is prone to being triggered by mistake is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic atomization devices, in particular to an electronic atomization device and an atomizer. BACKGROUND

[0002] The electronic atomization device detects negative pressure in the airflow channel through the airflow sensor to control the working of the atomization assembly.

[0003] However, in the process of implementing the embodiments of the present application, the inventors have found that at present, the electronic atomization device is provided with a guide air column that communicates the airflow channel and the airflow sensor, but the guide air column is easy to be blocked by condensed liquid to form an oil film, and the oil film is shaken or held to cause the guide air column and the airflow sensor to form negative pressure that is sensed by the airflow sensor, so that the airflow sensor is easy to be triggered by mistake. CONTENT OF THE UTILITY MODEL

[0004] The technical problem solved by the present application is to provide an electronic atomization device to improve the problem that the airflow sensor is easy to be triggered by mistake.

[0005] To solve the above technical problem, one technical solution adopted by the present application is to provide an electronic atomization device, comprising a liquid storage cavity, an atomization assembly, an air inlet, an air outlet, an airflow sensor and a chamber; the liquid storage cavity is used to store a liquid substrate that can be atomized; the atomization assembly is used to atomize the liquid substrate to generate an aerosol; the air inlet provides an airflow inlet for external air to enter the electronic atomization device; the air outlet provides an airflow outlet for the aerosol to escape from the electronic atomization device, and an airflow channel is formed between the air inlet and the air outlet for airflow to flow through; the airflow sensor is used to sense negative pressure in the airflow channel; the chamber communicates with the airflow channel; wherein the electronic atomization device further comprises a first guide air column and a second guide air column that are arranged at intervals and at least partially extend in the chamber, two ends of the first guide air column and the second guide air column respectively communicate with the airflow sensor and the airflow channel, and the height of the first guide air column extending in the chamber is greater than the height of the second guide air column extending in the chamber.

[0006] Optionally, the height of the first guide air column and the second guide air column extending in the chamber has a height difference of not less than 1mm.

[0007] Optionally, the electronic atomization device further comprises a sealing member for sealing the liquid storage cavity, and a support member for providing support to the sealing member, and the first guide air column and the second guide air column are both formed by the support member.

[0008] Optionally, the first air guide column and the airflow sensor have a first trigger airway, the second air guide column and the airflow sensor have a second trigger airway, the second trigger airway is part of the first trigger airway, or the first trigger airway is part of the second trigger airway.

[0009] Optionally, a liquid suction member is arranged in the chamber and at least partially surrounds the first air guide column and the second air guide column.

[0010] Optionally, the electronic atomization device further comprises a sealing member for sealing the liquid storage chamber, and a support member for providing support to the sealing member, and the chamber is formed by the sealing member and the support member.

[0011] Optionally, the sealing member further comprises a flow guide portion extending in the chamber in a direction away from the liquid storage chamber and abutting against the first liquid suction member, and the flow guide portion and the side wall of the chamber define a gap for the flow of the aerosol to the first air guide column.

[0012] Optionally, the first air guide column penetrates and protrudes from the liquid suction member.

[0013] Optionally, the liquid suction member comprises a first liquid suction member and a second liquid suction member supported on the first liquid suction member, the first air guide column penetrates and protrudes from the outer surface of the second liquid suction member through the first liquid suction member and the second liquid suction member, and the second air guide column penetrates the first liquid suction member and extends into the second liquid suction member.

[0014] To solve the above technical problems, another technical solution adopted by the present application is to provide an atomizer for connecting with a power supply assembly of an electronic atomization device, comprising a liquid storage chamber, an atomization assembly, an air inlet, an air outlet, and a chamber; the liquid storage chamber is used for storing a liquid substrate that can be atomized; the atomization assembly is used for atomizing the liquid substrate to generate an aerosol; the air inlet provides an air flow inlet for external air to enter the atomizer; the air outlet provides an air flow outlet for the aerosol to escape from the atomizer, and an air flow channel is formed between the air inlet and the air outlet for the flow of air; the chamber is in communication with the air flow channel; wherein the atomizer further comprises a first air guide column and a second air guide column arranged at intervals and at least partially extending in the chamber, two ends of the first air guide column and the second air guide column are respectively in communication with an airflow sensor of the power supply assembly of the electronic atomization device and the air flow channel, and the height of the first air guide column extending in the chamber is greater than the height of the second air guide column extending in the chamber.

[0015] In the embodiments of the present application, since the electronic atomization device comprises the first air guide column and the second air guide column which are arranged at intervals and at least partially extend in the chamber, the two ends of the first air guide column and the second air guide column are respectively communicated with the air flow sensor and the air flow channel, and the height of the first air guide column extending in the chamber is greater than the height of the second air guide column extending in the chamber, which is conducive to reducing the probability of the first air guide column and the second air guide column being blocked by condensed liquid at the same time, reducing the formation of oil film, and thus improving the easy mis-triggering of the air flow sensor. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can also be obtained according to the drawings without creative labor for those skilled in the art.

[0017] Figure 1 FIG. 1 is a structural schematic diagram of an electronic atomization device according to an embodiment of the present application;

[0018] Figure 2 FIG. 2 is an exploded structural schematic diagram of the electronic atomization device according to the embodiment of the present application;

[0019] Figure 3 FIG. 3 is a structural cross-sectional schematic diagram of the electronic atomization device according to the embodiment of the present application;

[0020] Figure 4 FIG. 4 is an enlarged view of A of FIG. 3; Figure 3

[0021] Figure 5 FIG. 5 is a structural schematic diagram of a sealing element of the electronic atomization device according to the embodiment of the present application;

[0022] Figure 6 FIG. 6 is a structural schematic diagram of an atomization assembly of the electronic atomization device according to the embodiment of the present application;

[0023] Figure 7 FIG. 7 is a structural cross-sectional schematic diagram of a shell of the electronic atomization device according to the embodiment of the present application.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 100, electronic atomization device;

[0026] 11, shell; 111, air inlet; 112, lower shell; 113, upper shell; 1131, opening; 1132, sliding groove; 114, adjusting element;

[0027] 12, suction nozzle; 121, air outlet;

[0028] ​13, atomization assembly; 131, liquid guide; 132, heating member; 133, fixing tube; 1331, liquid guide hole;

[0029] 14, sealing member; 141, flow guide; 142, inclined portion;

[0030] 15, support member; 151, first air guide column; 152, second air guide column;

[0031] 16, air flow sensor;

[0032] 17, liquid storage cavity;

[0033] 18, air flow passage;

[0034] 19, chamber;

[0035] 1a, first trigger airway;

[0036] 1b, second trigger airway;

[0037] 1c, liquid suction member; 1c1, first liquid suction member; 1c2, second liquid suction member;

[0038] 1d, power supply assembly; 1d1, support; 1d2, power supply; 1d3, control board. DETAILED DESCRIPTION

[0039] For the convenience of understanding the present application, the present application will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "locked to" another element, it can be directly on the other element, or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or one or more intervening elements can be present therebetween. The terms "vertical", "horizontal", "left", "right", and similar expressions used in the present specification are for illustrative purposes only.

[0040] Unless otherwise defined, all technical and scientific terms used in the present specification are the same as those commonly understood by those skilled in the art to which the present application belongs. The terms used in the present specification are only for the purpose of describing specific embodiments of the present application and are not intended to limit the present application. The term "and / or" used in the present specification includes any and all combinations of one or more related listed items.

[0041] Please refer to Figure 1 and Figure 2The electronic atomization device 100 includes a housing 11, a suction nozzle 12, an atomization assembly 13, a sealing member 14, a support member 15, and an airflow sensor 16. The suction nozzle 12 is arranged on the housing 11, and the suction nozzle 12 is used for a user to hold the suction nozzle. The atomization assembly 13, the support member 15, the sealing member 14, and the airflow sensor 16 are all arranged in the housing 11. The atomization assembly 13 is configured to atomize a liquid substrate to generate an aerosol.

[0042] In some embodiments, the connection between the suction nozzle 12 and the housing 11 includes, but is not limited to, any one or a combination of snap fit, interference fit, and glue joint.

[0043] In some embodiments, the shape of the housing 11 includes, but is not limited to, a cylindrical shape, a square cylindrical shape, or any regular or irregular cylindrical shape. As an example, the housing 11 is an elliptical cylindrical shape.

[0044] In some embodiments, referring to Figure 3 and Figure 4 , the housing 11 and the support member 15 jointly define a liquid storage cavity 17 for storing an atomizable liquid substrate. The housing 11 is provided with an air inlet 111 for providing an airflow inlet for external air to enter the electronic atomization device 100. The suction nozzle 12 is provided with an air outlet 121 for providing an airflow outlet for the aerosol to escape from the electronic atomization device 100. The air inlet 111 and the air outlet 121 form an airflow channel 18 for the airflow to pass through. The flow direction of the airflow is indicated by R1. The support member 15 supports the sealing member 14, and the sealing member 14 seals the liquid storage cavity 17. The electronic atomization device 100 further includes a chamber 19 in communication with the airflow channel 18. In some embodiments, the chamber 19 is defined by the sealing member 14 and the support member 15. The support member 15 forms a first air guide column 151 and a second air guide column 152 arranged at intervals and extending at least partially in the chamber 19. The first air guide column 151 and the second air guide column 152 are respectively in communication with the airflow sensor 16 and the airflow channel 18 at two ends thereof. The height of the first air guide column 151 extending in the chamber 19 is greater than the height of the second air guide column 152 extending in the chamber 19. The above structure is beneficial to reduce the possibility of the first air guide column 151 and the second air guide column 152 being blocked by condensed liquid at the same time, to reduce the formation of an oil film, and to improve the ease of false triggering of the airflow sensor 16.

[0045] In some embodiments, the airflow channel 18 is defined by the housing 11, the support member 15, the sealing member 14, the atomization assembly 13, and the suction nozzle 12.

[0046] It is to be noted that the liquid base can include a liquid containing tobacco substance containing volatile tobacco flavoring components, and can also be a liquid containing non-tobacco substance. The liquid base can include water, medicinal liquid, solvent, ethanol, plant extract, spice, flavoring agent, or vitamin mixture, etc. The spice can include betel extract, menthol, peppermint, spearmint oil, various fruit flavoring components, etc., but is not limited thereto. The flavoring agent can include components that can provide various flavors or tastes to the user. The vitamin mixture can be a mixture mixed with at least one of vitamin A, vitamin B, vitamin C, and vitamin E, but is not limited thereto. Based on different properties of the liquid base, the electronic atomization device 100 can be used in different fields, such as medical, electronic aerosol atomization, etc.

[0047] In some embodiments, referring to Figure 4 , the first air guide column 151 and the second air guide column 152 have a height difference of not less than 1 mm in the height extending in the chamber 19. As an example, the height difference of the first air guide column 151 and the second air guide column 152 extending in the chamber 19 is 3 mm.

[0048] In some embodiments, referring to Figure 4 , the first air guide column 151 and the airflow sensor 16 have a first trigger air passage 1a, the second air guide column 152 and the airflow sensor 16 have a second trigger air passage 1b, the second trigger air passage 1b is part of the first trigger air passage 1a, or the first trigger air passage 1a is part of the second trigger air passage 1b. The airflow sensor 16 is in communication with the airflow passage 18 through the first trigger air passage 1a and the second trigger air passage 1b, so as to realize trigger air passage sharing, facilitate the structural arrangement of the electronic atomization device 100, and save space.

[0049] In some embodiments, referring to Figure 2 and Figure 4 , the electronic atomization device 100 includes a liquid suction member 1c arranged in the chamber 19, and the liquid suction member 1c at least partially surrounds the first air guide column 151 and the second air guide column 152. The liquid suction member 1c sucks the condensed liquid on the first air guide column 151 and the second air guide column 152, which is conducive to reducing the condensed liquid from blocking the first air guide column 151 and the second air guide column 152.

[0050] In some embodiments, referring to Figure 4 , the first air guide column 151 penetrates and protrudes from the liquid suction member 1c, so as to avoid the condensed liquid sucked by the liquid suction member 1c from flowing into the first air guide column 151 through the port of the first air guide column 151, thereby avoiding the condensed liquid sucked by the liquid suction member 1c from flowing to the airflow sensor 16 and causing damage to the airflow sensor 16.

[0051] In some embodiments, referring to Figure 2 andFigure 4 The liquid suction member 1c includes a first liquid suction member 1c1 and a second liquid suction member 1c2 supported on the first liquid suction member 1c1. The first air guide column 151 penetrates through the first liquid suction member 1c1 and the second liquid suction member 1c2 and protrudes from the surface of the second liquid suction member 1c2, so that the condensed liquid on the first air guide column 151 is jointly absorbed by the first liquid suction member 1c1 and the second liquid suction member 1c2. The second air guide column 152 penetrates through the first liquid suction member 1c1 and extends into the second liquid suction member 1c2, so that the condensed liquid on the second air guide column 152 is absorbed by the first liquid suction member 1c1.

[0052] In some embodiments, referring to Figure 5 The sealing member 14 further includes a flow guide portion 141 extending in the chamber 19 in a direction away from the liquid storage cavity 17 and abutting against the liquid suction member 1c. Specifically, the flow guide portion 141 abuts against the second liquid suction member 1c2. The flow guide portion 141 and the side wall of the chamber 19 define a gap for the aerosol to flow to the first air guide column 151. The flow guide portion 141 causes the aerosol to flow to the first air guide column 151 in the first direction R2, which is conducive to reducing the condensed liquid from blocking the first air guide column 151.

[0053] In some embodiments, referring to Figure 2 and Figure 3 The surface of the sealing member 14 facing the liquid storage cavity 17 is provided with an inclined portion 142. The low part of the inclined portion 142 is close to the atomization assembly 13, which is conducive to guiding the liquid matrix in the liquid storage cavity 17 to the atomization assembly 13.

[0054] In some embodiments, referring to Figure 6 The atomization assembly 13 includes a liquid guide member 131 and a heating member 132 combined on the liquid guide member 131. The heating member 132 can be a spiral heating wire or a heating mesh made of at least one of stainless steel, nickel-chromium alloy, iron-chromium-aluminum alloy, and metal titanium. The liquid guide member 131 can be made of a material with excellent liquid storage performance and a capillary structure, such as non-woven fabric, cotton, etc. The liquid guide member 131 can be fixedly arranged outside the spiral heating wire or the heating mesh; or the spiral heating wire or the heating mesh is arranged around at least part of the surface of the liquid guide member 131. In some embodiments, the liquid guide member 131 can be a porous body made of a hard capillary structure such as porous ceramic, porous glass ceramic, porous glass, etc. The liquid guide member 131 is generally block-shaped, and the heating member 132 is fixed on at least part of the surface of the liquid guide member 131. The heating member 132 can be one of a heating coating, a heating sheet, or a heating mesh. The heating coating can include, but is not limited to, electromagnetic induction heating paint and infrared induction heating paint, etc. Alternatively, the heating member 132 can be made by mixing a raw material powder with conductivity and a printing aid to form a slurry, and then sintering the slurry on the surface of the porous body after printing.

[0055] In some embodiments, referring to Figure 6The atomization assembly 13 further comprises a fixed tube 133, one end of the fixed tube 133 is sealingly connected with the sealing member 14, the other end of the fixed tube 133 is inserted into the shell 11, the fixed tube 133 is sleeved on the liquid guide member 131 and the heating member 132, the fixed tube 133 is provided with a liquid guide hole 1331, the liquid guide hole 1331 is communicated with the liquid storage cavity 17, so that the liquid matrix in the liquid storage cavity 17 is transmitted to the heating member 132 through the liquid guide hole 1331 and the liquid guide member 131.

[0056] In some embodiments, referring to Figure 7 The shell 11 comprises a lower shell 112, an upper shell 113 and an adjusting member 114, the upper shell 113 is inserted into the lower shell 112, so that the upper shell 113 covers the lower shell 112, the upper shell 113 and the lower shell 112 define an air inlet 111, the upper shell 113 is provided with an opening 1131 and a sliding groove 1132, the opening 1131 is located between the cavity 19 and the air inlet 111, and the sliding groove 1132 is communicated with the air inlet 111 and the opening 1131; the adjusting member 114 is arranged in the sliding groove 1132, the adjusting member 114 can slide along the sliding groove 1132, and the adjusting member 114 is used for adjusting the area of the opening 1131, so as to adjust the air intake of the external air into the electronic atomization device 100.

[0057] In some embodiments, the adjusting member 114 is dampingly connected with the groove bottom of the sliding groove 1132 and / or the sidewall of the sliding groove 1132, so that the adjusting member 114 is fixed in the sliding groove 1132 without external force.

[0058] In some embodiments, referring to Figure 2 and Figure 3 The electronic atomization device 100 comprises a power supply assembly 1d, the power supply assembly 1d is arranged in the shell 11, the power supply assembly 1d comprises a support 1d1, a power supply 1d2 and a control board 1d3, the support 1d1 and the supporting member 15 define the first trigger air channel 1a and the second trigger air channel 1b, the power supply 1d2 and the control board 1d3 are arranged in the support 1d1, the power supply 1d2 is electrically connected with the control board 1d3, and the control board 1d3 is electrically connected with the heating member 132, the air flow sensor 16 and the power supply 1d2.

[0059] In the embodiments of the present application, since the electronic atomization device 100 comprises the first air guide column 151 and the second air guide column 152 which are arranged at intervals and at least partially extend in the cavity 19, the two ends of the first air guide column 151 and the second air guide column 152 are respectively communicated with the air flow sensor 16 and the air flow channel 18, and the height of the first air guide column 151 extending in the cavity 19 is greater than the height of the second air guide column 152 extending in the cavity 19, which is beneficial to reduce the situation that the first air guide column 151 and the second air guide column 152 are blocked by condensed liquid at the same time, to reduce the formation of the oil film, so as to improve the situation that the air flow sensor 16 is easily mis-triggered.

[0060] The application also provides an atomizer embodiment for connecting with a power supply assembly of an electronic atomization device, the atomizer comprising a liquid storage cavity, an atomization assembly, an air inlet, an air outlet and a chamber; the liquid storage cavity is used for storing an atomizable liquid substrate; the atomization assembly is used for atomizing the liquid substrate to generate an aerosol; the air inlet provides an air inflow passage for external air to enter the atomizer; the air outlet provides an air outflow passage for the aerosol to escape from the atomizer, and an air flow passage is formed between the air inlet and the air outlet for the air flow to pass through; wherein the atomizer further comprises a first air guide column and a second air guide column which are arranged at intervals and at least partially extend in the chamber, two ends of the first air guide column and the second air guide column respectively communicate with an air flow sensor of the power supply assembly of the electronic atomization device and the air flow passage, and the height of the first air guide column extending in the chamber is greater than the height of the second air guide column extending in the chamber.

[0061] It should be noted that the preferred embodiments of the present application are given in the specification and drawings of the present application, but the present application can be implemented in many different forms, and is not limited to the embodiments described in the specification, and the embodiments do not serve as additional limitations on the content of the present application, and the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Furthermore, the above technical features continue to be combined with each other to form various embodiments not listed above, which are all considered to be within the scope of the present application. Furthermore, for those skilled in the art, the above description can be improved or transformed, and all these improvements and transformations should be within the protection scope of the appended claims of the present application.

Claims

1. An electronic atomizing device, characterized in that, include: The liquid storage chamber is used to store atomizable liquid matrix; Atomizing component for atomizing the liquid matrix to generate an aerosol; The air inlet provides an airflow entrance for external air to enter the electronic atomizing device; An air outlet is provided for the aerosol to escape from the electronic atomizing device, and an airflow channel is formed between the air inlet and the air outlet for the airflow to pass through. An airflow sensor is used to sense the negative pressure in the airflow channel; The chamber is connected to the airflow channel; The electronic atomizing device further includes a first air guide column and a second air guide column that are spaced apart and at least partially extend into the chamber. The two ends of the first air guide column and the second air guide column are respectively connected to the airflow sensor and the airflow channel. Furthermore, the height of the first air guide column extending into the chamber is greater than the height of the second air guide column extending into the chamber.

2. The electronic atomizing device according to claim 1, characterized in that, The first air guide column and the second air guide column extend into the chamber at a height difference of not less than 1 mm.

3. The electronic atomizing device according to claim 1, characterized in that, The electronic atomizing device further includes a sealing element for sealing the liquid storage chamber, and a support element for supporting the sealing element, wherein the first air guide column and the second air guide column are both formed by the support element.

4. The electronic atomizing device according to claim 1, characterized in that, The first air guide column and the airflow sensor have a first trigger airway, and the second air guide column and the airflow sensor have a second trigger airway. The second trigger airway is a part of the first trigger airway, or the first trigger airway is a part of the second trigger airway.

5. The electronic atomizing device according to claim 1, characterized in that, The chamber is provided with a liquid suction device, which at least partially surrounds the first air guide column and the second air guide column.

6. The electronic atomizing device according to claim 5, characterized in that, The electronic atomizing device further includes a seal for sealing the liquid storage chamber and a support for supporting the seal, the chamber being defined by the seal and the support.

7. The electronic atomizing device according to claim 6, characterized in that, The sealing element further includes a flow guide portion extending from the chamber away from the liquid storage chamber and abutting against the liquid suction element. The flow guide portion and the side wall of the chamber define a gap for the aerosol to flow to the first air guide column.

8. The electronic atomizing device according to claim 5, characterized in that, The first air guide column penetrates through and protrudes from the liquid suction element.

9. The electronic atomizing device according to claim 5, characterized in that, The liquid suction member includes a first liquid suction member and a second liquid suction member supported on the first liquid suction member. The first air guide column passes through the first liquid suction member and the second liquid suction member and protrudes from the outer surface of the second liquid suction member. The second air guide column passes through the first liquid suction member and extends into the second liquid suction member.

10. An atomizer, characterized in that, For connection to the power supply components of an electronic atomizing device, including: The liquid storage chamber is used to store atomizable liquid matrix; Atomizing component for atomizing the liquid matrix to generate an aerosol; The air inlet provides an airflow entrance for external air to enter the atomizer; An air outlet is provided for the aerosol to escape from the atomizer, and an airflow channel is formed between the air inlet and the air outlet for the airflow to pass through. The chamber is connected to the airflow channel; The atomizer further includes a first air guide column and a second air guide column that are spaced apart and at least partially extend into the chamber. The two ends of the first air guide column and the second air guide column are respectively connected to the airflow sensor of the power supply component of the electronic atomizing device and the airflow channel. Furthermore, the height of the first air guide column extending into the chamber is greater than the height of the second air guide column extending into the chamber.

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