Aerosol evaporation device

Abstract

Tobacco tar in a liquid storage cavity of the aerosol evaporation device is consumed by an atomization assembly, tobacco tar absorbed by a capillary element is also reduced, the liquid level of the tobacco tar is gradually reduced along with consumption, a flow guide groove is exposed in air, part of air is supplemented into a liquid supply cavity, and balance established between the liquid supply cavity and the liquid storage cavity is broken. The tobacco tar in the liquid supply cavity flows to the liquid storage cavity under the action of the gravity and the pressure difference between the interior and the exterior of the liquid supply cavity, the air pressure in the liquid supply cavity forms negative pressure along with reduction of the tobacco tar until the liquid level of the tobacco tar in the liquid storage cavity is higher than the flow guide groove, and the tobacco tar in the liquid supply cavity stops flowing to the liquid storage cavity under the obstruction of the negative pressure in the liquid supply cavity, the gravity of the tobacco tar in the liquid storage cavity and other elements.

Description

Technical Field

[0001] The present application relates to the field of atomization technology, and in particular to an aerosol evaporation device. Background Art

[0002] Large-capacity aerosol evaporation devices generally include an oil supply tank that can store a large amount of oil so that it can continuously supply oil to the oil storage tank. The atomizer component draws the oil from the oil storage tank and then atomizes the oil through the power supply device. The aerosol flows out through the nozzle connected to the atomizer chamber for the user to inhale.

[0003] However, the design of the existing large-capacity aerosol evaporation device is not reasonable enough. As the oil supply tank continuously injects oil into the atomizing device, negative pressure is formed in the oil supply tank, and the speed of oil injection becomes slow, or even causes the oil injection to stop. Summary of the invention

[0004] The main purpose of the present application is to provide an aerosol evaporation device to solve the technical problem that negative pressure causes the oil filling in the oil supply tank to be slow or even stopped.

[0005] To achieve the above objectives, the present application proposes an aerosol evaporation device, which includes:

[0006] A liquid reservoir having a liquid storage cavity for storing fluid, the liquid reservoir is provided with an air hole, a liquid inlet and a liquid outlet, wherein the air hole is connected to the liquid storage cavity;

[0007] A liquid supply device, having a liquid supply cavity for storing fluid and used for delivering fluid to the liquid storage device, and a liquid supply port is provided on the liquid supply device;

[0008] A capillary element has a plurality of micropores. The capillary element is disposed in the liquid storage cavity and below the air hole. A guide groove is formed between the capillary element and the inner wall of the liquid storage container extending upward from the bottom of the liquid storage cavity. The height of the guide groove is less than that of the capillary element, and one end of the guide groove is connected to the liquid supply port.

[0009] When the fluid level is higher than or flush with the guide groove, the guide groove is sealed, the air pressure of the liquid storage chamber and the liquid supply chamber is balanced, and the air pressure of the liquid storage chamber and the liquid supply chamber is lower than the external air pressure, and the fluid in the liquid supply device cannot flow to the liquid storage chamber;

[0010] When the fluid level is lower than the guide groove, the guide groove is connected to the air hole, and external air enters the liquid supplier through the guide groove, the negative pressure inside the liquid supplier is reduced, and the fluid in the liquid supplier is replenished into the liquid storage chamber under the capillary force of the capillary element and the fluid's own gravity.

[0011] Optionally, the aerosol evaporation device also includes an atomization component, which includes an atomization tube and an atomization core. The atomization tube is at least partially installed in the liquid reservoir, and the liquid storage cavity is defined between the atomization tube and the inner wall of the liquid reservoir. The liquid outlet is arranged on the atomization tube, and the atomization core is installed in the atomization tube.

[0012] Optionally, the aerosol evaporation device further comprises a shell, the shell is provided with a gas channel, and the gas channel is connected to the atomization tube.

[0013] Optionally, an outer wall of the liquid reservoir and an inner wall of the shell define a gas groove, one end of the gas groove is connected to the air hole, and the other end is connected to the gas channel.

[0014] Optionally, the guide groove has a first height, the liquid outlet has a second height, and the first height is equal to or greater than the second height.

[0015] Optionally, the inner wall of the liquid reservoir is recessed to form the guide groove; or

[0016] The surface of the capillary element is concave to form the guide groove; or

[0017] The liquid inlet defines and forms the guide groove.

[0018] Optionally, the cross-sectional area of ​​the guide groove is greater than or equal to 0.1 mm 2 , and less than or equal to 4mm 2 .

[0019] Optionally, the guide channel includes a main channel and multiple sub-channels, each of the sub-channels is distributed around the capillary element from different directions, one end of the main channel is connected to the sub-channels respectively, and the other end of the main channel is connected to the liquid inlet.

[0020] Optionally, the liquid reservoir is detachably connected to the liquid supplier.

[0021] Optionally, the capillary element is installed between the liquid reservoir and the atomization tube in an interference fit, wherein the interference amount is 0-1 mm.

[0022] In the aerosol evaporation device of the present application, when the level of the tobacco oil in the liquid storage chamber of the aerosol evaporation device is higher than the guide groove, the tobacco oil is blocked to prevent air from entering the guide groove under the action of the surface tension of the tobacco oil, and the pressure in the liquid storage chamber and the liquid supply chamber is in a balanced state under the action of the gravity of the tobacco oil and the capillary force of the capillary element, and the tobacco oil in the liquid supply device will not actively flow to the liquid storage chamber. It can be seen that when the atomization component is not working, the aerosol evaporation device can avoid leakage.

[0023] When the user inhales, the atomizer component forms a negative pressure to suck the smoke oil and air in the liquid storage chamber. The smoke oil in the liquid storage chamber is consumed by the atomizer component, and the smoke oil absorbed by the capillary element also decreases. The smoke oil level gradually decreases with consumption, and the guide groove is exposed to the air. Part of the air is replenished into the liquid supply chamber, and the liquid supply balance between the liquid supply chamber and the liquid storage chamber is broken. The smoke oil in the liquid supply chamber flows to the liquid storage chamber under the action of gravity and the negative pressure of the liquid storage chamber, until the smoke oil level in the liquid storage chamber is higher than the guide groove to form a liquid seal, and the resistance of the external atmosphere entering the liquid supply chamber increases. The air pressure in the liquid supply chamber forms a higher negative pressure as the smoke oil decreases. The smoke oil in the liquid supply chamber stops flowing to the liquid storage chamber due to the obstruction of factors such as the negative pressure in the liquid supply chamber and the gravity of the smoke oil in the liquid storage chamber.

[0024] In short, the aerosol evaporation device of the present application can automatically adjust the supply of tobacco oil in the atomization device, thereby ensuring the consistency of atomization, preventing leakage and avoiding dry burning of the atomization component. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0026] Figure 1 This is a schematic diagram of the structure of an aerosol evaporation device in an embodiment of the present application;

[0027] Figure 2 This is a schematic cross-sectional view of the liquid storage structure of the aerosol evaporation device in the embodiment of the present application;

[0028] Figure 3 This is a schematic diagram of the structure of the guide groove on the liquid reservoir in the embodiment of the present application;

[0029] Figure 4 This is a schematic diagram of the cross-sectional structure of the aerosol evaporation device after the capillary element is removed in the embodiment of the present application;

[0030] Figure 5 Schematic diagram of the structural decomposition of the aerosol evaporation device in the embodiment of the present application.

[0031] Description of Figure Numbers:

[0032] 10-liquid reservoir; 100-liquid storage chamber; 101-upper cover; 1010-through hole; 102-lower cover; 1020-air inlet; 11-capillary element; 110-mounting hole; 12-flow guide groove; 120-main flow channel; 121-sub-flow channel; 13-air hole; 14-liquid inlet; 140-avoidance gap;

[0033] 20-atomizing tube; 21-atomizing core;

[0034] 30 - liquid supply device; 31 - liquid supply cavity; 32 - liquid supply port. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0037] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, "and / or" in the full text includes three solutions. Taking A and / or B as an example, it includes technical solution A, technical solution B, and technical solution that satisfies both A and B; in addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0038] The present application proposes an aerosol evaporation device, which includes an oil reservoir, a liquid supply device 30, a capillary element 11 and an atomization component, wherein the liquid reservoir 10 has a liquid storage cavity 100, and the liquid reservoir 10 is provided with an air hole 13 connected to the liquid storage cavity 100, the liquid reservoir 10 provides the atomization component with the tobacco oil required to generate aerosol, the capillary element 11 is arranged in the liquid reservoir 10, a guide groove 12 for guiding fluid is formed between the capillary element 11 and the inner wall of the liquid reservoir 10, the liquid supply device 30 is in fluid communication with the liquid reservoir 10, and the guide groove 12 is in communication with the liquid supply port 32 of the liquid supply device 30. The height of the guide groove 12 is lower than that of the capillary element 11.

[0039] When the level of the tobacco oil in the liquid storage chamber 100 in the above-mentioned aerosol evaporation device is higher than the guide groove 12, the tobacco oil is blocked by the surface tension of the tobacco oil to prevent air from entering the guide groove 12, and the pressure in the liquid storage chamber 100 and the liquid supply chamber 31 is in a balanced state under the gravity of the tobacco oil and the capillary force of the capillary element 11, and the tobacco oil in the liquid supply device 30 will not actively flow to the liquid storage chamber 100. Therefore, when the atomization component is not working, the aerosol evaporation device can avoid leakage. When the user inhales, negative pressure is formed in the atomizer assembly to suck the oil and air in the liquid storage chamber 100. The oil in the liquid storage chamber 100 is consumed by the atomizer assembly, and the oil absorbed by the capillary element 11 is also reduced. The oil level gradually decreases with the consumption, and the guide groove 12 is exposed to the air. Part of the air is replenished into the liquid supply chamber 31. The air pressure in the liquid supply chamber 31 and the liquid storage chamber 100 temporarily reach equilibrium. The oil in the liquid supply chamber 31 flows to the liquid storage chamber 100 under the action of gravity and the negative pressure of the liquid storage chamber 100. The air pressure in the liquid supply chamber 31 forms a negative pressure as the oil decreases, until the oil level in the liquid storage chamber 100 is higher than the guide groove 12. The oil in the liquid supply chamber 31 stops flowing to the liquid storage chamber 100 due to the obstruction of factors such as the negative pressure in the liquid supply chamber 31 and the gravity of the oil in the liquid storage chamber 100.

[0040] In short, the aerosol evaporation device of the present application can automatically adjust the supply of tobacco oil according to the consumption of tobacco oil in the liquid storage chamber 100, thereby preventing the liquid storage chamber 100 from leaking and replenishing tobacco oil for the liquid storage chamber 100.

[0041] The liquid reservoir 10 is hollow inside to form a liquid storage chamber 100 for storing the e-liquid. The liquid reservoir 10 is provided with an air hole 13 and a liquid inlet 14. The air hole 13 is arranged at the top of the liquid reservoir 10, and the liquid inlet 14 is arranged at the side of the liquid reservoir 10. The liquid reservoir 10 can be made of a transparent or translucent material, so that the e-liquid content in the liquid reservoir 10 can be observed more intuitively. Of course, the liquid reservoir 10 can also be made of an opaque material.

[0042] See also Figure 1-Figure 5 The liquid storage device 10 comprises a cylinder with upper and lower openings, an upper cover 101 is provided at the upper end of the cylinder, and a lower cover 102 is provided at the lower end. The upper cover 101, the cylinder, and the lower cover 102 jointly define a liquid storage chamber 100. The upper cover 101 is provided with an air hole 13 and a first through hole 1010, the cylinder is provided with a liquid inlet 14, and the lower cover 102 is provided with a second through hole 1020. The second through hole 1020 is arranged upstream of the first through hole 1010 along the suction direction.

[0043] A liquid supply cavity 31 is formed inside the liquid supply device 30 , and a liquid supply port 32 communicating with the liquid supply cavity 31 is provided on the liquid reservoir 10 . After the liquid reservoir 10 is connected to the liquid supply device 30 , the liquid inlet 14 is communicated with the liquid supply port 32 , and the guide groove 12 is communicated with the liquid supply port 32 .

[0044] In some embodiments, the liquid supply 30 is detachably connected to the liquid reservoir 10. For example, the liquid supply 30 or the liquid reservoir 10 is provided with a connection portion capable of receiving at least part of either one of the two, and the liquid inlet 14 or the liquid supply port 32 is constructed on the connection portion and communicates with the corresponding liquid storage cavity 100 or the liquid supply cavity 31, so that the liquid reservoir 10 can be connected to the liquid supply 30 at the same time. Among them, the detachable connection method includes plug-in.

[0045] In some embodiments, the atomizer assembly includes an atomizer tube 20 and an atomizer core 21. The atomizer tube 20 is installed in the liquid reservoir 10. One end of the atomizer tube 20 is connected to the first through hole 1010, and the other end is connected to the second through hole 1020. The outer wall of the atomizer tube 20 and the inner wall of the liquid reservoir 10 and the upper cover 101 and the lower cover 102 jointly define a liquid storage cavity 100. The atomizer tube 20 is also provided with an oil guide hole, which is connected to the liquid storage cavity 100. The atomizer core 21 is installed in the atomizer tube 20. The oil guide hole is defined as the liquid outlet of the liquid reservoir 10. It is understandable that when a user uses the aerosol evaporation device to inhale aerosol, negative pressure is generated in the atomizer tube 20, and the atomizer core 21 is energized to generate heat. The tobacco oil in the liquid storage chamber 100 flows out through the oil guide hole (liquid outlet) under the suction effect of the negative pressure in the atomizer tube 20, and the atomizer core 21 absorbs the tobacco oil. The tobacco oil is evaporated into aerosol by the heat generated by the atomizer core 21 and is inhaled by the user through the atomizer tube 20.

[0046] The capillary element 11 is a porous material, and the smoke oil can be directed from one end of the capillary element 11 to the other end through capillary action. The capillary element 11 generally adopts oil storage cotton or porous ceramics. In this application, oil storage cotton is preferred. The oil storage cotton is assembled in the liquid storage cavity 100 inside the liquid reservoir 10, and a guide groove 12 is formed between the oil storage cotton and the inner wall of the liquid reservoir 10. The height of the guide groove 12 is lower than that of the oil storage cotton, and one end of the guide groove 12 is connected to the liquid inlet 14. Figure 1 , Figure 5 As shown, a mounting hole 110 penetrating the top and bottom of the oil storage cotton is provided on the oil storage cotton, and the atomizing tube 20 is arranged in the mounting hole 110 .

[0047] In some embodiments, the oil storage cotton is installed in the liquid storage cavity 100 with an interference fit, and the interference is greater than 0 and less than 1 mm, wherein the interference is preferably 0.2 mm. It can be understood that after the oil storage cotton is installed in the liquid storage cavity 100, part of the side of the oil storage cotton is restricted by the inner wall of the liquid reservoir 10 and the outer wall of the atomizer tube 20 and deforms, and then after the deformation, the porosity of the side of the oil storage cotton close to the guide groove 12 is reduced. After the oil storage cotton absorbs the smoke oil, the air tightness of the guide groove 12 is enhanced when the smoke oil liquid level is higher than the guide groove 12.

[0048] In some embodiments, the inner wall of the liquid reservoir 10 is recessed to form a guide groove 12, and the guide groove 12 extends along the inner wall to the liquid inlet 14. Figure 5As shown, the lower side and bottom of the inner wall of the liquid reservoir 10 are recessed to form a guide groove 12. A tubular protrusion is provided on one side of the liquid reservoir 10, and a liquid flow channel is formed in the tubular protrusion. One end of the liquid flow channel is connected to the guide groove 12, and the other end of the liquid flow channel is connected to the liquid supply device 30. A notch is provided on the end of the liquid flow channel that is connected to the guide groove 12 to form an avoidance gap 140 between the end face of the liquid flow channel and the oil storage cotton. The guide groove 12 is connected to the avoidance gap 140, and part of the smoke oil flows into the guide groove 12 and is quickly diverted to other positions at the bottom of the oil storage cotton, thereby accelerating the absorption efficiency of the oil storage cotton for the smoke oil. It is understandable that the inner wall of the liquid reservoir 10 has multiple ridges protruding, and the ridges support the outer wall of the oil storage cotton. The recessed part between adjacent ridges is also just a deformation design of the guide groove 12.

[0049] In some embodiments, the outer wall of the oil storage cotton can be recessed to form a guide groove 12. The side of the oil storage cotton is at least partially recessed to form a guide groove 12, and the bottom of the oil storage cotton is recessed to form at least a portion of the guide groove 12. The guide grooves 12 at different positions are connected to each other and to the liquid inlet 14.

[0050] It is understandable that the guide groove 12 has a first height from the bottom of the liquid storage chamber 100 to a lower height of the oil storage cotton in the longitudinal direction, and the liquid outlet has a second height from the bottom of the liquid storage chamber 100 to a higher height in the longitudinal direction, and the height of the guide groove 12 is greater than or equal to the height of the liquid outlet. When the level of the smoke oil is lower than the guide groove 12, the smoke oil in the liquid supply device 30 can be quickly replenished into the liquid storage device 10.

[0051] The guide groove 12 includes a main channel 120 and a plurality of sub-channels 121. One end of the main channel 120 is connected to the plurality of sub-channels 121, and the other end is connected to the liquid inlet 14. Figure 5 As shown, the main flow channel 120 is arranged at the bottom of the liquid storage chamber 100, and multiple sub-flow channels 121 are distributed in different directions around the oil storage cotton. After the smoke oil enters the liquid storage chamber 100 through the liquid inlet 14, it can be quickly absorbed from all directions of the lower part of the oil storage cotton. The oil storage cotton can quickly reach a saturated state, and the smoke oil level can also rise quickly, so that the smoke oil replenishment of the liquid storage device 10 can be completed quickly, reducing the risk of dry burning due to the atomizer core 21 not being able to obtain smoke oil in time when the user is inhaling.

[0052] When the flow cross-sectional area of ​​the guide groove 12 is within the following range, the guide effect is better, and the flow cross-sectional area is greater than or equal to 0.1mm 2 , and less than or equal to 4mm 2 Specifically, the flow cross-sectional area of ​​the guide groove 12 can be 0.1 mm 2 ~3.6mm 2 , 0.4mm 2 ~1mm 2 , 1.4mm 2 ~2mm 2 , 3mm 2~3.6mm 2 , 1mm 2 ~2.5mm 2 , 1.5mm 2 ~2mm 2 or 0.5mm 2 ~1.5mm 2 Furthermore, the flow cross-sectional area of ​​the guide groove 12 can be 0.1 mm 2 , 0.4mm 2 , 0.5mm 2 , 1mm 2 , 1.4mm 2 , 1.5mm 2 , 2mm 2 , 2.5mm 2 , 3mm 2 、3.6mm 2 or 4mm 2 wait.

[0053] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. All equivalent structural changes made using the contents of the present application specification and drawings under the inventive concept of the present application, or direct / indirect applications in other related technical fields are included in the patent protection scope of the present application.

Claims

1. An aerosol evaporation device, characterized in that: include: A liquid reservoir having a liquid storage cavity for storing fluid, the liquid reservoir is provided with an air hole, a liquid inlet and a liquid outlet, wherein the air hole is connected to the liquid storage cavity; A liquid supply device, having a liquid supply cavity for storing fluid and used for delivering fluid to the liquid storage device, and a liquid supply port is provided on the liquid supply device; A capillary element has a plurality of micropores. The capillary element is disposed in the liquid storage cavity and below the air hole. A guide groove is formed between the capillary element and the inner wall of the liquid storage container extending upward from the bottom of the liquid storage cavity. The height of the guide groove is less than that of the capillary element, and one end of the guide groove is connected to the liquid supply port. When the fluid level is higher than or flush with the guide groove, the guide groove is sealed, the air pressure of the liquid storage chamber and the liquid supply chamber is balanced, and the air pressure of the liquid storage chamber and the liquid supply chamber is lower than the external air pressure, and the fluid in the liquid supply device cannot flow to the liquid storage chamber; When the fluid level is lower than the guide groove, the guide groove is connected to the air hole, and external air enters the liquid supplier through the guide groove, the negative pressure inside the liquid supplier is reduced, and the fluid in the liquid supplier is replenished into the liquid storage chamber under the capillary force of the capillary element and the fluid's own gravity.

2. The aerosol evaporation device according to claim 1, characterized in that: The aerosol evaporation device also includes an atomization component, which includes an atomization tube and an atomization core. The atomization tube is at least partially installed in the liquid reservoir, and the liquid storage cavity is defined between the atomization tube and the inner wall of the liquid reservoir. The liquid outlet is arranged on the atomization tube, and the atomization core is installed in the atomization tube.

3. The aerosol evaporation device according to claim 2, characterized in that: The aerosol evaporation device further comprises a shell, wherein the shell is provided with a gas channel, and the gas channel is communicated with the atomization tube.

4. The aerosol evaporation device according to claim 3, characterized in that: The outer wall of the liquid reservoir and the inner wall of the shell define a gas passage groove, one end of the gas passage groove is connected to the air hole, and the other end is connected to the gas channel.

5. The aerosol evaporation device according to claim 1, characterized in that: The height of the guide groove is equal to or greater than the height of the liquid outlet.

6. The aerosol evaporation device according to claim 1, characterized in that: The inner wall of the liquid reservoir is recessed to form the guide groove; or The surface of the capillary element is concave to form the guide groove.

7. The aerosol evaporation device according to claim 1, characterized in that: The cross-sectional area of ​​the guide groove is greater than or equal to 0.1 mm 2 , and less than or equal to 4mm 2 .

8. The aerosol evaporation device according to claim 1, characterized in that: The guide channel includes a main channel and a plurality of sub-channels, each of the sub-channels is distributed around the capillary element from different directions, one end of the main channel is connected with the sub-channels respectively, and the other end of the main channel is connected with the liquid inlet.

9. The aerosol evaporation device according to claim 1, characterized in that: The liquid reservoir is detachably connected to the liquid supplier.

10. The aerosol evaporation device according to claim 1, characterized in that: The capillary element is installed between the liquid reservoir and the atomization tube in an interference fit, wherein the interference amount is 0-1 mm.

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