Atomizer and electronic atomization device

Abstract

The invention belongs to the technical field of electronic atomization, and particularly relates to an atomizer and an electronic atomization device.The atomizer comprises a liquid storage cup, a base, a support, an atomization core and liquid return cotton, the liquid storage cup comprises a liquid storage cavity, the base is arranged at one end of the liquid storage cup, an air inlet hole is formed in the base, and the liquid return cotton is arranged in the liquid storage cavity; the liquid storage cup is arranged in the base, the support is arranged in the liquid storage cup and is in sealed connection with the inner wall of the liquid storage cup, a liquid inlet hole and a liquid outlet hole are formed in the two opposite ends of the support respectively, the liquid inlet hole is communicated with the liquid storage cavity and the liquid outlet hole, the atomization core is arranged between the support and the base and covers the liquid outlet hole, and the liquid outlet hole is communicated with the liquid outlet hole. The atomizing core, the liquid storage cup and the base define an atomizing cavity, and the liquid return cotton is arranged in the atomizing cavity and makes contact with the atomizing core. The liquid return cotton can suck the aerosol matrix in the atomization cavity back to the surface of the atomization core for secondary atomization through the capillary action, and the atomization rate of the aerosol matrix is increased through secondary atomization.

Description

Technical Field

[0001] The present application belongs to the technical field of electronic atomization, and specifically relates to an atomizer and an electronic atomization device. Background Art

[0002] Electronic atomization devices are gaining more and more attention and popularity due to their advantages such as safety, convenience and health, and are widely used in technical fields such as e-cigarettes, medical treatment and beauty.

[0003] In the existing atomizer, the aerosol matrix stored in the liquid storage cavity above the atomization core is easy to leak into the atomization cavity below the atomization core, thereby reducing the atomization rate of the aerosol matrix. Summary of the invention

[0004] The purpose of the present application is to provide a nebulizer and an electronic atomization device to improve the atomization rate of an aerosol matrix.

[0005] In order to achieve the above object, the present application provides an atomizer, comprising:

[0006] A liquid storage cup, comprising a liquid storage cavity;

[0007] A base, arranged at one end of the liquid storage cup, and an air inlet hole is opened on the base;

[0008] A bracket, arranged in the liquid storage cup and sealedly connected to the inner wall of the liquid storage cup, wherein opposite ends of the bracket are respectively provided with a liquid inlet hole and a liquid discharge hole, wherein the liquid inlet hole communicates with the liquid storage cavity and the liquid discharge hole;

[0009] An atomizer core is arranged between the bracket and the base and covers the liquid discharge hole. The atomizer core, the liquid storage cup and the base together form an atomizer cavity.

[0010] The liquid return cotton is arranged in the atomization chamber and contacts with the atomization core.

[0011] Optionally, at least two of the liquid return cottons are arranged on two opposite sides of the atomization core.

[0012] Optionally, the base includes an integrally connected bottom plate and an extension tube, the air inlet hole is arranged on the bottom plate, the extension tube is arranged on a side of the bottom plate close to the atomization core, the inner hole of the extension tube is connected to the air inlet hole, and the distance between the bottom surface of the liquid return cotton and the bottom plate is smaller than the distance between the top surface of the extension tube and the bottom plate.

[0013] Optionally, the atomizer further includes an air intake bushing, one end of which is connected to the extension tube, and the other end of which is provided with a plurality of first connecting holes, so that a gap is formed between the air intake bushing and the atomization core.

[0014] Optionally, the air intake bushing is a silicone structural part.

[0015] Optionally, the atomizer further includes a first sealing ring, which is arranged on one side of the drainage hole opened in the bracket and surrounds the drainage hole, the top surface of the atomizer core is connected to the first sealing ring, and the orthographic projection of the first sealing ring on the top surface of the atomizer core is located outside the atomizer core.

[0016] Optionally, the liquid storage cup includes an upper shell and a lower shell that are sealed and connected, an exhaust pipe is provided in the upper shell, one end of the exhaust pipe is connected to the outside of the upper shell, and the other end of the exhaust pipe is connected to the atomization chamber, and the upper shell, the lower shell, the exhaust pipe and the bracket together form the annular liquid storage chamber.

[0017] Optionally, a vent is provided at one end of the bracket away from the base, and side flow channels are opened on two opposite sides of the bracket. The side flow channel and the liquid inlet are located on different sides of the vent, and the air inlet, the atomization chamber, the side flow channel, the vent and the exhaust pipe are connected in sequence.

[0018] Optionally, a ventilation groove or a ventilation hole is provided on the side wall of the bracket, and the ventilation groove or the ventilation hole communicates with the liquid storage chamber and the atomization chamber.

[0019] The present application also provides an electronic atomization device, comprising:

[0020] The atomizer;

[0021] A power supply assembly is connected to the atomizer.

[0022] The atomizer and electronic atomization device disclosed in this application have the following beneficial effects:

[0023] In the present application, the atomizer includes a liquid storage cup, a base, a bracket, an atomizing core and a liquid return cotton, the liquid storage cup includes a liquid storage cavity, the liquid storage cavity is used to store aerosol matrix, the base is arranged at one end of the liquid storage cup, the bracket is arranged in the liquid storage cup and is sealed and connected to the inner wall of the liquid storage cup, the two opposite ends of the bracket are respectively provided with a liquid inlet hole and a liquid discharge hole, the liquid inlet hole communicates the liquid storage cavity and the liquid discharge hole, the atomizing core is arranged between the bracket and the base and covers the liquid discharge hole, the atomizing core, the liquid storage cup and the base are surrounded to form an atomizing cavity, the liquid return cotton is arranged in the atomizing cavity and contacts with the atomizing core, and the liquid return cotton can suck the aerosol matrix in the atomizing cavity back to the surface of the atomizing core by capillary action, so as to perform secondary atomization. The aerosol matrix in the atomizing cavity is sucked back by the liquid return cotton for secondary atomization, which improves the atomization rate of the aerosol matrix and increases the number of puffs of the user.

[0024] Other features and advantages of the present application will become apparent from the following detailed description, or may be learned in part by the practice of the present application.

[0025] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification are used to explain the principles of the present application. Obviously, the drawings described below are only some embodiments of the present application, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 It is a schematic diagram of the decomposition of the atomizer in the embodiment of the present application.

[0028] Figure 2 It is a top view schematic diagram of the atomizer in the embodiment of the present application.

[0029] Figure 3 yes Figure 2 Schematic diagram of the AA section.

[0030] Figure 4 yes Figure 2 Schematic diagram of the BB cross section.

[0031] Figure 5 It is a schematic diagram of the structure of the side flow channel of the stent in the embodiment of the present application.

[0032] Figure 6 It is a schematic diagram of the structure of the ventilation groove of the bracket in the embodiment of the present application.

[0033] Description of reference numerals:

[0034] 100, liquid storage cup; 101, liquid storage chamber; 102, atomization chamber; 110, upper shell; 111, exhaust pipe; 120, lower shell; 121, first card slot;

[0035] 200, base; 210, bottom plate; 211, air inlet; 220, side plate; 221, first buckle; 222, second slot; 230, extension tube;

[0036] 300, bracket; 301, liquid inlet hole; 302, liquid discharge hole; 303, vent hole; 304, side flow channel; 305, ventilation groove; 306, wall portion; 307, connecting groove; 308, second buckle;

[0037] 400, atomizing core; 410, base; 411, liquid absorption surface; 412, atomizing surface; 420, heating element;

[0038] 500, liquid return cotton;

[0039] 600, air intake bushing; 601, first communication hole;

[0040] 710, first sealing ring; 720, second sealing ring; 730, third sealing ring; 731, outer cylinder; 732, inner cylinder; 733, annular portion; 734, second communication hole;

[0041] 800. Electrode. DETAILED DESCRIPTION

[0042] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this application will be more comprehensive and complete and fully convey the concept of the example embodiments to those skilled in the art.

[0043] In addition, described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present application. However, those skilled in the art will appreciate that the technical scheme of the present application can be put into practice without one or more of the specific details, or other methods, components, devices, steps, etc. can be adopted. In other cases, known methods, devices, realizations or operations are not shown or described in detail to avoid blurring the various aspects of the application.

[0044] The present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be understood as limiting the present application.

[0045] See also Figures 1 to 4 As shown, the atomizer in this embodiment includes a liquid storage cup 100, a base 200, a bracket 300, an atomizing core 400 and a liquid return cotton 500. The liquid storage cup 100 includes a liquid storage chamber 101, and the liquid storage chamber 101 is used to store aerosol matrix. The liquid storage cup 100 also includes a receiving chamber, and the receiving chamber is connected to the liquid storage chamber 101. The liquid storage cup 100 is provided with an opening at one end of the receiving chamber, and the base 200 is arranged at one end of the liquid storage cup 100. The base 200 is partially arranged in the receiving chamber through the opening and partially located outside the receiving chamber. The base 200 is sealed and connected to the liquid storage cup 100, and an air inlet 211 is opened on the base 200.

[0046] The bracket 300 is arranged in the accommodating cavity of the liquid storage cup 100 and is sealed and connected to the inner wall of the liquid storage cup 100. The opposite ends of the bracket 300 are respectively provided with a liquid inlet hole 301 and a liquid discharge hole 302. The liquid inlet hole 301 connects the liquid storage cavity 101 and the liquid discharge hole 302. The atomizer core 400 is arranged between the bracket 300 and the base 200 and covers the liquid discharge hole 302. The aerosol matrix in the liquid storage cavity 101 can flow to the top surface of the atomizer core 400 through the liquid inlet hole 301 and the liquid discharge hole 302 in sequence. The atomizer core 400, the liquid storage cup 100 and the base 200 enclose the atomizer cavity 102.

[0047] The atomizing core 400 includes a substrate 410 and a heating element 420. The substrate 410 has a liquid absorption surface 411 and an atomizing surface 412. The liquid absorption surface 411 is the side of the substrate 410 close to the liquid storage chamber 101, and the atomizing surface 412 is the side of the substrate 410 away from the liquid storage chamber 101. The heating element 420 is arranged on the atomizing surface 412. In other words, the top surface of the atomizing core 400 is the liquid absorption surface 411, and the bottom surface of the atomizing core 400 is the atomizing surface 412. The substrate 410 can be made of porous materials such as porous ceramics, porous metals, and porous glass to ensure that the aerosol matrix can penetrate from the liquid absorption surface 411 to the atomizing surface 412. Part of the liquid absorption surface 411 is exposed through the liquid discharge hole 302, and the aerosol matrix in the liquid storage chamber 101 can flow to the liquid absorption surface 411 through the liquid inlet hole 301 and the liquid discharge hole 302, and then penetrate into the atomization surface 412 through the base body 410, so that the heating element 420 can heat and atomize the aerosol matrix to generate an aerosol located in the atomization chamber 102 for the user to inhale.

[0048] The liquid return cotton 500 is disposed in the atomization chamber 102 and in contact with the atomization core 400 . The liquid return cotton 500 can absorb the aerosol matrix in the atomization chamber 102 to the surface of the atomization core 400 through capillary action to perform secondary atomization.

[0049] In some technical solutions, the aerosol matrix stored in the liquid storage chamber 101 above the atomization core 400 of the atomizer is easy to leak into the atomization chamber 102 below the atomization core 400, thereby reducing the atomization rate of the aerosol matrix.

[0050] In this embodiment, the atomizer includes a liquid storage cup 100, a base 200, a bracket 300, an atomizing core 400 and a liquid return cotton 500. The liquid storage cup 100 includes a liquid storage cavity 101, and the liquid storage cavity 101 is used to store the aerosol matrix. The base 200 is arranged at one end of the liquid storage cup 100, and the bracket 300 is arranged in the liquid storage cup 100 and is sealed and connected to the inner wall of the liquid storage cup 100. The opposite ends of the bracket 300 are respectively provided with a liquid inlet hole 301 and a liquid discharge hole 302. 301 connects the liquid storage chamber 101 and the liquid discharge hole 302, the atomizer core 400 is arranged between the bracket 300 and the base 200 and covers the liquid discharge hole 302, the atomizer core 400, the liquid storage cup 100 and the base 200 are surrounded to form the atomizer chamber 102, the liquid return cotton 500 is arranged in the atomizer chamber 102 and contacts the atomizer core 400, and the liquid return cotton 500 can suck the aerosol matrix in the atomizer chamber 102 back to the surface of the atomizer core 400 through capillary action for secondary atomization. The aerosol matrix in the atomizer chamber 102 is sucked back by the liquid return cotton 500 for secondary atomization, which improves the atomization rate of the aerosol matrix and increases the number of puffs of the user.

[0051] In some embodiments, at least two liquid return cottons 500 are arranged on opposite sides of the atomizing core 400. For example, two liquid return cottons 500 are arranged on opposite sides of the atomizing core 400. It should be understood that one liquid return cotton 500 can be provided on each side of the atomizing core 400, but it is not limited to this. Multiple liquid return cottons 500 can also be provided on each side of the atomizing core 400, depending on the specific situation. In addition, the number of liquid return cottons 500 on both sides of the atomizing core 400 can be the same or different. A rectangular groove for installing the liquid return cotton 500 can be provided on the side of the bracket 300 away from the liquid storage chamber 101, and one end of the liquid return cotton 500 is provided in the rectangular groove of the bracket 300, and the other end of the liquid return cotton 500 extends in a direction close to the base 200.

[0052] A plurality of liquid return cottons 500 are provided to improve the efficiency of sucking back the aerosol matrix from the atomization chamber 102, thereby improving the atomization rate of the aerosol matrix. The plurality of liquid return cottons 500 are provided on opposite sides of the atomization core 400 without blocking the gas flow path (the specific structure of the gas flow path will be described in detail below).

[0053] In some embodiments, the liquid return cotton 500 is disposed in the atomization chamber 102 and in contact with the atomization core 400 , and the upper end of the liquid return cotton 500 may be substantially flush with the liquid absorption surface 411 of the atomization core 400 .

[0054] The upper end of the liquid return cotton 500 is substantially flush with the liquid absorption surface 411 of the atomization core 400 . The liquid return cotton 500 can also accelerate the aerosol matrix on the liquid absorption surface 411 to penetrate into the atomization surface 412 .

[0055] In some embodiments, the base 200 includes an integrally connected bottom plate 210 and an extension tube 230, an air inlet 211 is provided on the bottom plate 210, and the extension tube 230 is provided on the side of the bottom plate 210 close to the atomizer core 400, and the inner hole of the extension tube 230 is connected to the air inlet 211. The distance between the bottom surface of the liquid return cotton 500 (the end surface close to the bottom plate 210) and the bottom plate 210 is smaller than the distance between the top surface of the extension tube 230 (the end surface close to the bottom plate 210) and the bottom plate 210. A gap is formed between the extension tube 230 and the atomizer core 400 to prevent the atomizer core 400 from blocking the gas flow channel.

[0056] Part of the aerosol matrix will leak into the atomizing chamber 102. When the atomizer is not in use, the aerosol matrix in the atomizing chamber 102 has the risk of leaking to the outside of the atomizer through the air inlet 211. The present application reduces the risk of aerosol matrix leakage and improves the utilization rate of aerosol matrix by extending the tube 230 and raising the air inlet 211.

[0057] See also Figure 3 As shown, the atomizer further includes an air intake bushing 600, one end of which is connected to the extension tube 230, and the other end of the air intake bushing 600 is provided with a plurality of first communication holes 601. For example, four first communication holes 601 are provided at one end of the air intake bushing 600 away from the extension tube 230, and the four first communication holes 601 are evenly spaced around the center line of the extension tube 230. A gap is formed between the air intake bushing 600 and the atomizer core 400 to prevent the atomizer core 400 from blocking the gas flow channel.

[0058] In some technical solutions, the base 200 is made of plastic to reduce the production cost of the atomizer. Plastic has poor high temperature resistance. When the distance between the extension tube 230 and the atomizer core 400 is relatively small, the extension tube 230 is easily melted by the high temperature generated when the atomizer core 400 heats the aerosol matrix, which leads to blockage of the air inlet 211; when the distance between the extension tube 230 and the atomizer core 400 is relatively large, the risk of the aerosol matrix in the atomization chamber 102 leaking to the outside of the atomizer through the air inlet 211 increases. An air inlet bushing 600 is installed on the extension tube 230. The air inlet bushing 600 can be made of a material with better high temperature resistance than plastic, ensuring that the distance between the air inlet bushing 600 and the atomizer core 400 is relatively small, and it will not be melted by the high temperature generated when the atomizer core 400 heats the aerosol matrix, which leads to blockage of the air inlet 211.

[0059] In some embodiments, the air intake bushing 600 is a silicone structural member, that is, the air intake bushing 600 is made of silicone. The air intake bushing 600 is a silicone structural member, and silicone is a flexible material. One end of the air intake bushing 600 can be sleeved on the extension tube 230.

[0060] The air inlet bushing 600 is a silicone structural part, which can prevent the air inlet bushing 600 from being melted by the high temperature generated when the atomizer core 400 heats the aerosol matrix, thereby causing the air inlet hole 211 to be blocked, and can also facilitate the installation of the air inlet bushing 600, reducing the difficulty of assembling the air inlet bushing 600.

[0061] It should be noted that an extension tube 230 may be provided on the bottom plate 210 to raise the air inlet 211, but the invention is not limited thereto. A one-way valve may also be provided at the air inlet 211, depending on the specific situation. The one-way valve is provided at the air inlet 211 to allow one-way air intake in the air inlet 211, thereby preventing the aerosol matrix from leaking through the air inlet 211. The one-way valve may be away from the atomizer core 400, and thus not be affected by the high temperature generated when the atomizer core 400 heats the aerosol matrix.

[0062] In some embodiments, the atomizer further includes a first sealing ring 710, which is disposed on one side of the bracket 300 where the drainage hole 302 is opened and surrounds the drainage hole 302, and the top surface (liquid absorption surface 411) of the atomizer core 400 is connected to the first sealing ring 710, and the orthographic projection of the first sealing ring 710 on the top surface of the atomizer core 400 is located outside the atomizer core 400.

[0063] The orthographic projection of the first sealing ring 710 on the top surface of the atomizer core 400 is located outside the atomizer core 400, which can prevent the atomizer core 400 from directly contacting the bracket 300. The atomizer core 400 and the bracket 300 are poorly sealed, resulting in leakage of the aerosol matrix from the liquid storage chamber 101 through the gap between the atomizer core 400 and the bracket 300, thereby causing excessive aerosol matrix to leak into the atomizer chamber 102.

[0064] In some embodiments, the liquid storage cup 100 includes an upper shell 110 and a lower shell 120 that are sealed and connected, and the upper shell 110 and the lower shell 120 can be connected by ultrasonic welding or laser welding. The accommodating cavity is a part of the inner cavity of the lower shell 120, and the liquid storage cavity 101 is the inner cavity of the upper shell 110 and the part of the inner cavity of the lower shell 120. An exhaust pipe 111 is provided in the upper shell 110, and the exhaust pipe 111 is located in the middle position of the inner cavity of the upper shell 110. One end of the exhaust pipe 111 is connected to the outside of the upper shell 110, and the other end of the exhaust pipe 111 is connected to the atomization chamber 102. The upper shell 110, the lower shell 120, the exhaust pipe 111 and the bracket 300 are surrounded to form an annular liquid storage cavity 101. One end of the upper shell 110 away from the atomizing chamber 102 may be a nozzle of the atomizer. When the user inhales through the nozzle, the aerosol generated by the atomizing core 400 heating the aerosol matrix is ​​sucked into the user's mouth through the atomizing chamber 102 and the exhaust pipe 111.

[0065] When the upper shell 110 and the lower shell 120 are connected by a sealing ring, there is a risk of poor sealing and leakage of the aerosol matrix in the liquid storage chamber 101 from the connection between the upper shell 110 and the lower shell 120. In the present application, the upper shell 110 and the lower shell 120 are connected by ultrasonic welding or laser welding, and there is no gap between the upper shell 110 and the lower shell 120, which can prevent the aerosol matrix in the liquid storage chamber 101 from leaking from the joint between the upper shell 110 and the lower shell 120.

[0066] In addition, when the upper shell 110 and the lower shell 120 are integrally formed, the manufacturing difficulty is large because both the upper shell 110 and the lower shell 120 are of special-shaped structures. In the present application, the upper shell 110 and the lower shell 120 are manufactured separately and then connected by ultrasonic welding or laser welding, which can reduce the manufacturing difficulty of the liquid storage cup 100.

[0067] In some embodiments, a vent hole 303 is provided at one end of the bracket 300 away from the base 200. The vent hole 303 is centrally arranged, and the exhaust pipe 111 of the upper shell 110 extends into the vent hole 303. The exhaust pipe 111 is sealed and connected to the vent hole 303. Side channels 304 are provided on opposite sides of the bracket 300. Figure 6 As shown, the side flow channel 304 and the liquid inlet hole 301 are located on different sides of the vent hole 303. Two liquid inlet holes 301 can be provided, and the two liquid inlet holes 301 are provided on opposite sides of the vent hole 303, and the two liquid inlet holes 301 are both connected to the liquid discharge hole 302. For example, the two liquid inlet holes 301 are provided on the opposite left and right sides of the vent hole 303, and the two side flow channels 304 are provided on the opposite front and rear sides of the vent hole 303. The air inlet hole 211, the atomizing chamber 102, the side flow channel 304, the vent hole 303 and the exhaust pipe 111 are connected in sequence to form a gas flow channel.

[0068] The vent hole 303 is centrally arranged to facilitate the sealed connection between the vent hole 303 and the exhaust pipe 111. Two liquid inlet holes 301 are arranged on opposite sides of the vent hole 303, and both liquid inlet holes 301 are connected to the liquid discharge hole 302. The aerosol matrix is ​​dispersed into the liquid discharge hole 302 from the two liquid inlet holes 301, and then penetrates into the atomization surface 412 through the substrate 410, ensuring that the flow channel cross section between the liquid discharge hole 302 and the liquid storage chamber 101 is large enough, and the aerosol matrix supply speed can meet the user's suction. The side flow channel 304 and the liquid inlet hole 301 are located on different sides of the vent hole 303, that is, the gas flow channel and the liquid flow channel pass through different sides of the bracket 300, which not only improves the space utilization rate, but also prevents the gas flow channel and the liquid flow channel from crossing each other and affecting the flow of gas and liquid.

[0069] See also Figure 6As shown, a ventilation groove 305 is provided on the side wall of the bracket 300, and the ventilation groove 305 connects the liquid storage chamber 101 and the atomization chamber 102. The ventilation groove 305 can be provided on the contact surface of the bracket 300 and the first sealing ring 710. A plurality of ventilation grooves 305 can be provided and arranged around the drainage hole 302. The first sealing ring 710 can be a sealing ring with a rectangular cross-section. The first sealing ring 710 can seal the opening of the ventilation groove 305 close to the first sealing ring 710 while connecting the bracket 300 and the atomization core 400.

[0070] It should be noted that a ventilation groove 305 can be opened on the side wall of the bracket 300, but it is not limited to this. A ventilation hole can also be opened on the side wall of the bracket 300. The ventilation hole does not pass through the end surface of the bracket 300 that contacts the liquid storage chamber 101 and the end surface of the bracket 300 that contacts the first sealing ring 710. The specific situation can be determined.

[0071] When the aerosol matrix in the liquid storage chamber 101 is continuously consumed, the air pressure in the liquid storage chamber 101 will continuously decrease and form a negative pressure, thereby affecting the aerosol matrix from flowing to the atomization core 400 through the liquid inlet hole 301 and the liquid discharge hole 302, causing the aerosol matrix to be supplied untimely, affecting the user experience.

[0072] In this embodiment, a ventilation groove 305 is provided on the side wall of the bracket 300, and the ventilation groove 305 connects the liquid storage chamber 101 and the atomization chamber 102. When the aerosol matrix in the liquid storage chamber 101 is continuously consumed, the air pressure in the liquid storage chamber 101 will continuously decrease, and the gas in the atomization chamber 102 can enter the liquid storage chamber 101 through the ventilation groove 305, thereby balancing the air pressure in the liquid storage chamber 101 and the atomization chamber 102, avoiding the formation of negative pressure in the liquid storage chamber 101, which causes untimely supply of the aerosol matrix.

[0073] It should be understood that the flow area of ​​the ventilation groove 305 is small, and the aerosol matrix in the liquid storage chamber 101 will not leak into the atomizing chamber 102 through the ventilation groove 305, or only a small amount of aerosol matrix will leak into the atomizing chamber 102. Since the liquid return cotton 500 is arranged in the atomizing chamber 102 and contacts the atomizing core 400, the liquid return cotton 500 can suck the aerosol matrix in the atomizing chamber 102 back to the surface of the atomizing core 400 through capillary action for secondary atomization. Even if a small amount of aerosol matrix leaks into the atomizing chamber 102, it can also be sucked back to the surface of the atomizing core 400 through the liquid return cotton 500 for secondary atomization consumption, and will not cause the aerosol matrix to leak from the air inlet 211. In addition, in order to prevent the aerosol matrix from leaking into the atomizing chamber 102 through the ventilation groove 305, a one-way valve can also be provided at the ventilation groove 305 to allow the atomizing core 400 to be unidirectionally connected to the atomizing chamber 102.

[0074] In some embodiments, the bracket 300 further includes a plurality of wall portions 306, which are arranged around the contact surface between the bracket 300 and the first sealing ring 710, and the side flow channel 304 is located between two adjacent wall portions 306. The bracket 300 further includes a connecting groove 307, which is located on the inner side of the wall portion 306, and the connecting groove 307 connects the ventilation groove 305 and the atomization chamber 102.

[0075] Air enters the atomizing chamber 102 from the air inlet 211, and is mixed with the aerosol matrix at the atomizing surface 412 of the atomizing core 400 to form an aerosol. The aerosol then flows into the exhaust pipe 111 through the side flow channel 304. The connecting groove 307 connects the ventilation groove 305 and the atomizing chamber 102. The entrance of the connecting groove 307 is close to the atomizing surface 412, that is, the ventilation groove 305 draws air from the lower end surface of the bracket 300. Compared with the solution in which the ventilation groove 305 draws air from the side of the bracket 300, the aerosol inhaled into the liquid storage chamber 101 can be reduced.

[0076] In addition, the wall portion 306 surrounds the contact surface between the bracket 300 and the first sealing ring 710. The wall portion 306 can serve as a limiting structure for the first sealing ring 710 to prevent the first sealing ring 710 from being installed improperly, resulting in the drainage hole 302 being connected to the side channel 304.

[0077] In some embodiments, the base 200 further includes a side plate 220, which is arranged around the edge of the bottom plate 210. The side plate 220 is located in the inner cavity of the lower shell 120, the bottom plate 210 is located at the end of the lower shell 120 away from the upper shell 110, and the edge of the bottom plate 210 is located outside the inner cavity of the lower shell 120, serving as an upper limit structure of the base 200. The inner side wall of the lower shell 120 is provided with a first card slot 121, and the side plate 220 is provided with a first buckle 221 at a position corresponding to the first card slot 121 of the lower shell 120, and the lower shell 120 and the base 200 are connected through the first card slot 121 and the first buckle 221. The first card slot 121 and the first buckle 221 serve as the lower limit structure of the base 200.

[0078] The side plate 220 is further provided with a second slot 222 at one end away from the bottom plate 210, and the first buckle 221 is located between the second slot 222 and the bottom plate 210. The bracket 300 is provided with a second buckle 308 at one end away from the liquid storage chamber 101, and the second buckle 308 is located between the liquid return cotton 500 and the side plate 220. The base 200 and the bracket 300 are connected through the second slot 222 and the second buckle 308.

[0079] The liquid storage cup 100 and the base 200 are connected via a first slot 121 and a first buckle 221, and the base 200 and the bracket 300 are connected via a second slot 222 and a second buckle 308. The liquid storage cup 100, the base 200 and the bracket 300 are connected to prevent the base 200 and the bracket 300 from being far away from or close to the liquid storage chamber 101.

[0080] In some embodiments, an annular groove structure is provided on the outer side of the side plate portion 220 opposite to the lower housing 120. The atomizer further includes a second sealing ring 720, which is disposed in the annular groove structure to seal the gap between the side plate portion 220 and the lower housing 120, that is, the gap between the sealing base 200 and the liquid storage cup 100. The second sealing ring 720 may be an O-ring.

[0081] The second sealing ring 720 seals the gap between the base 200 and the liquid storage cup 100 , thereby preventing the aerosol matrix in the atomization chamber 102 from leaking from the gap between the base 200 and the liquid storage cup 100 .

[0082] In some embodiments, the atomizer further includes a third sealing ring 730, which is disposed at one end of the bracket 300 close to the liquid storage chamber 101. The third sealing ring 730 includes an outer cylinder 731, an inner cylinder 732 and an annular portion 733, wherein the outer cylinder 731 is sleeved on the inner cylinder 732, the outer cylinder 731 and the inner cylinder 732 are substantially coaxially disposed, and the annular portion 733 connects the outer cylinder 731 and the inner cylinder 732. The outer cylinder 731 is disposed between the bracket 300 and the lower shell 120, the inner cylinder 732 is disposed between the exhaust pipe 111 and the vent 303, and the annular portion 733 covers the end surface of the bracket 300 close to the liquid storage chamber 101. A second connecting hole 734 is provided at the position of the annular portion 733 corresponding to the liquid inlet hole 301, and the second connecting hole 734 connects the liquid inlet hole 301 and the liquid storage chamber 101.

[0083] A third sealing ring 730 is provided at one end of the bracket 300 close to the liquid storage chamber 101 to seal the gap between the bracket 300 and the lower shell 120 and the gap between the bracket 300 and the exhaust pipe 111, thereby preventing the aerosol matrix in the liquid storage chamber 101 from leaking into the atomization chamber 102 through the gap between the bracket 300 and the lower shell 120 and the gap between the bracket 300 and the exhaust pipe 111.

[0084] The present application also provides an electronic atomization device, which includes the above-disclosed atomizer and a power supply assembly, wherein the power supply assembly is connected to the atomizer. The atomizer also includes two electrodes 800, wherein the electrode 800 is partially located in a groove on a side of the bottom plate 210 away from the atomization core 400, and the electrode 800 partially passes through the bottom plate 210 and is connected to the heating element 420 of the atomization core 400.

[0085] An airflow sensor is also provided in the electronic atomization device. When the user inhales toward the nozzle of the atomizer (the end of the upper shell 110 away from the lower shell 120), the negative pressure generated triggers the airflow sensor. The airflow sensor controls the power supply component to supply power to the atomization core 400, so that the atomization core 400 atomizes the aerosol matrix to generate an aerosol for the user to inhale.

[0086] In this embodiment, the electronic atomization device includes an atomizer, which includes a liquid storage cup 100, a base 200, a bracket 300, an atomizing core 400 and a liquid return cotton 500. The liquid storage cup 100 includes a liquid storage cavity 101, and the liquid storage cavity 101 is used to store an aerosol matrix. The base 200 is arranged at one end of the liquid storage cup 100, and the bracket 300 is arranged in the liquid storage cup 100 and is sealed and connected to the inner wall of the liquid storage cup 100. The opposite ends of the bracket 300 are respectively provided with a liquid inlet hole 301 and a liquid discharge hole 302. 02, the liquid inlet hole 301 connects the liquid storage chamber 101 and the liquid discharge hole 302, the atomizer core 400 is arranged between the bracket 300 and the base 200 and covers the liquid discharge hole 302, the atomizer core 400, the liquid storage cup 100 and the base 200 are surrounded to form the atomizer chamber 102, the liquid return cotton 500 is arranged in the atomizer chamber 102 and contacts the atomizer core 400, and the liquid return cotton 500 can absorb the aerosol matrix in the atomizer chamber 102 to the surface of the atomizer core 400 through capillary action for secondary atomization. The aerosol matrix in the atomizer chamber 102 is sucked back by the liquid return cotton 500 for secondary atomization, which improves the atomization rate of the aerosol matrix and increases the number of puffs of the user.

[0087] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the feature. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0088] In this application, unless otherwise clearly specified and limited, the terms "assembly", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0089] In the description of this specification, the description with reference to the terms "some embodiments", "exemplarily", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0090] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application. Therefore, any changes or modifications made in accordance with the claims and description of the present application should fall within the scope of the patent of this application.

Claims

1. An atomizer, characterized in that: include: A liquid storage cup, comprising a liquid storage cavity; A base, arranged at one end of the liquid storage cup, and an air inlet hole is opened on the base; A bracket, arranged in the liquid storage cup and sealedly connected to the inner wall of the liquid storage cup, wherein opposite ends of the bracket are respectively provided with a liquid inlet hole and a liquid discharge hole, wherein the liquid inlet hole communicates with the liquid storage cavity and the liquid discharge hole; An atomizer core is arranged between the bracket and the base and covers the liquid discharge hole. The atomizer core, the liquid storage cup and the base together form an atomizer cavity. The liquid return cotton is arranged in the atomization chamber and contacts with the atomization core.

2. The atomizer according to claim 1, characterized in that At least two of the liquid return cottons are arranged on two opposite sides of the atomizing core.

3. The atomizer according to claim 1, characterized in that The base includes a bottom plate and an extension tube that are integrally connected, the air inlet hole is arranged on the bottom plate, the extension tube is arranged on a side of the bottom plate close to the atomizer core, the inner hole of the extension tube is connected to the air inlet hole, and the distance between the bottom surface of the liquid return cotton and the bottom plate is smaller than the distance between the top surface of the extension tube and the bottom plate.

4. The atomizer according to claim 3, characterized in that The atomizer further comprises an air intake bushing, one end of which is connected to the extension tube, and the other end of which is provided with a plurality of first communication holes, and a gap is formed between the air intake bushing and the atomization core.

5. The atomizer according to claim 4, characterized in that The air intake bushing is a silicone structural part.

6. The atomizer according to claim 1, characterized in that The atomizer further includes a first sealing ring, which is arranged on one side of the bracket where the drainage hole is opened and surrounds the drainage hole. The top surface of the atomizer core is connected to the first sealing ring, and the orthographic projection of the first sealing ring on the top surface of the atomizer core is located outside the atomizer core.

7. The atomizer according to claim 1, characterized in that The liquid storage cup includes an upper shell and a lower shell that are sealed and connected. An exhaust pipe is arranged in the upper shell. One end of the exhaust pipe is connected to the outside of the upper shell, and the other end of the exhaust pipe is connected to the atomization chamber. The upper shell, the lower shell, the exhaust pipe and the bracket together form the annular liquid storage chamber.

8. The atomizer according to claim 7, characterized in that The bracket is provided with an air vent at one end away from the base, and side flow channels are opened on two opposite sides of the bracket. The side flow channel and the liquid inlet are located on different sides of the air vent, and the air inlet, the atomization chamber, the side flow channel, the air vent and the exhaust pipe are connected in sequence.

9. The atomizer according to claim 8, characterized in that A ventilation groove or a ventilation hole is provided on the side wall of the bracket, and the ventilation groove or the ventilation hole is connected with the liquid storage cavity and the atomization cavity.

10. An electronic atomization device, characterized in that: include: The atomizer according to any one of claims 1 to 9; A power supply assembly is connected to the atomizer.

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