Liquid leakage preventing electronic heating atomizing core and device

Abstract

This invention provides an electronically heated atomizing core and device for preventing leakage. The electronically heated atomizing core includes a substrate, a liquid guiding component for conducting liquid, and a heating component for heating and atomizing the liquid in the liquid guiding component. The substrate has a venting and liquid storage channel, which includes a primary liquid storage tank and a secondary liquid storage tank. A venting gap is provided on the substrate. The electronically heated atomizing device includes the aforementioned electronically heated atomizing core. During the continuous heating and atomization process, the liquid in the storage tank is consumed. The venting gap of the electronically heated atomizing core can communicate with the storage tank to ensure that gas can be replenished in time to balance the gas pressure after the liquid is consumed. Simultaneously, the primary liquid storage tank, the venting and liquid storage channel, and the structure of the first step are used to balance the gas pressure and lock in any leaking liquid. Even in harsh environments such as changes in air pressure or temperature, it can effectively lock in the liquid and prevent leakage.

Description

Technical Field

[0001] This invention relates to the field of electronic heating atomization, and in particular to an electronic heating atomization core and device for preventing leakage. Background Technology

[0002] Electronic heating atomizing devices are devices that transform liquid into gas by electrically heating an atomizing liquid. They primarily use electricity to heat the liquid to its boiling point, creating atomized vapor that mixes with air to form an aerosol. Currently, they are mainly used in the e-cigarette industry, but there is also a trend towards expansion into beauty and medical fields. Electronic atomizing devices mainly consist of a power supply and an atomizer. Currently, they are available in integrated and separate designs. The atomizer mainly comprises a liquid reservoir, an atomizing coil, and seals between components. The atomizer needs to store a certain amount of atomized liquid, ensuring sufficient penetration to the heating element of the atomizing coil during use, maintaining a continuous supply without interruption, and preventing leakage during long-term storage and in harsh environments. Therefore, improvements to the atomizer's structure are necessary to address these issues. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide an electronic heating atomizing core and device that maintains internal and external air pressure balance and prevents leakage, in view of the above-mentioned defects in related technologies.

[0004] The technical solution adopted by the present invention to solve its technical problem includes: providing an electronic heating atomizing core, comprising a substrate, a liquid guiding component for conducting liquid, and a heating component for heating and atomizing the liquid in the liquid guiding component. The substrate has a receiving cavity and a liquid inlet connecting the outside of the substrate to the receiving cavity. The liquid guiding component and the heating component are disposed in the receiving cavity. The substrate has a gas exchange liquid storage channel, which includes a primary liquid storage tank and a secondary liquid storage tank. The substrate has a gas exchange gap, which connects to one end of the primary liquid storage tank. The primary liquid storage tank connects to the secondary liquid storage tank, which extends in a direction away from the gas exchange gap. The inner surface of the primary liquid storage tank is not flush with the inner surface of the secondary liquid storage tank to form a first step transitioning from the primary liquid storage tank to the secondary liquid storage tank. The gas exchange liquid storage channel is connected to the outside of the substrate at a position away from the gas exchange gap to allow external air to enter the gas exchange liquid storage channel.

[0005] Preferably, the substrate includes a main body and a sealing member disposed on the main body. The main body is provided with a first vent hole that is connected to one end of the venting and liquid storage channel. The sealing member is provided with a second vent hole that blocks part of the first vent hole and defines the venting gap with the first vent hole.

[0006] Preferably, the sealing element has a protrusion on the side facing the main body, and the protrusion blocks part of the first ventilation hole.

[0007] Preferably, the first vent and the second vent are offset, the venting gap includes a first gap and a second gap, the first gap is connected to the venting and liquid storage channel, the second substrate is connected to the first gap and the second vent, and the first gap and the second gap are not parallel.

[0008] Preferably, the opening size of the ventilation gap is smaller than the opening size of the ventilation and liquid storage channel.

[0009] Preferably, the opening size of the ventilation gap is less than or equal to 0.5 mm².

[0010] Preferably, the inner wall of the ventilation and liquid storage channel is inclined, and the opening size of the ventilation and liquid storage channel gradually increases from the position near the ventilation gap to the position away from the ventilation gap.

[0011] Preferably, the ventilation and liquid storage channel includes a first main channel, a second main channel, and a connecting channel. The first main channel and the second main channel extend along a first direction and are spaced apart along a second direction. The connecting channel is located between the first main channel and the second main channel and connects the first main channel and the second main channel. The first direction is not parallel to the second direction.

[0012] Preferably, the dimensions of the first main channel and the second main channel along a third direction are larger than the dimensions of the connecting channel along the third direction, so as to form the secondary liquid storage tank; the third direction is not parallel to the first direction and the second direction.

[0013] Preferably, the connecting channel is connected to the middle of the first main channel and the second main channel, so that the second main channel and the first main channel form the secondary liquid storage tank on both sides in the third direction.

[0014] Preferably, the primary liquid storage tank is located on the side of the connecting channel and the second main channel near the ventilation gap, and connects the first main channel, the second main channel and the end of the connecting channel near the ventilation gap.

[0015] Preferably, the width of the primary storage tank is approximately equal to the width of the connecting channel.

[0016] Preferably, the width of the primary storage tank and the connecting channel is greater than the width of the secondary storage tank.

[0017] Preferably, inside the ventilation and liquid storage channel, there is a height difference between the surface of the opening of the ventilation gap connecting the primary liquid storage tank and the inner surface of the primary liquid storage tank, forming a second step from the opening of the ventilation gap connecting the primary liquid storage tank to the inner surface of the primary liquid storage tank.

[0018] Preferably, the end of the air exchange and liquid storage channel away from the air exchange gap leads to the outside of the substrate.

[0019] Preferably, the substrate is provided with a reflux channel that connects to the ventilation and liquid storage channel and leads to the liquid guide, so that the liquid in the ventilation and liquid storage channel can flow back to the liquid guide.

[0020] Preferably, the reflux channel is connected to the end of the air exchange and liquid storage channel away from the air exchange gap.

[0021] The technical solution adopted by the present invention to solve its technical problem includes: providing an electronic heating atomizing device, including a housing and the aforementioned electronic heating atomizing core disposed in the housing, wherein the housing is provided with a vent channel communicating with the outside for the atomized gas generated by the electronic heating atomizing core to flow out to the outside, and the housing is provided with a liquid storage chamber communicating with a liquid inlet for storing liquid, and the air exchange gap communicating with the liquid storage chamber.

[0022] The technical solution of the present invention has at least the following beneficial effects: The electronic heating atomizing core and device have a liquid storage tank on the device, which stores liquid for supplying the liquid guiding component. The heating element contacts the liquid guiding component and is energized to heat and atomize the liquid in the liquid guiding component. During the continuous heating and atomization process of the device, the liquid in the storage tank is consumed. The air exchange gap of the electronic heating atomizing core can be connected to the liquid storage tank to ensure that the gas in the storage tank can be replenished in time to balance the air pressure after the liquid is consumed. At the same time, the structure of the primary liquid storage tank, the air exchange liquid storage channel, and the first step is used to balance the air pressure and lock in the leaked liquid. It can also lock in the liquid and prevent leakage in some harsh environments such as changes in air pressure and temperature. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a perspective view of an electronically heated atomizing core according to one embodiment of the present invention.

[0025] Figure 2 yes Figure 1An exploded view of the electronically heated atomizing core.

[0026] Figure 3 yes Figure 1 A three-dimensional cross-sectional view of the electronically heated atomizing core.

[0027] Figure 4 yes Figure 3 A magnified view of the R part.

[0028] Figure 5 yes Figure 1 A cross-sectional view of position AA.

[0029] Figure 6 yes Figure 5 A magnified view of part P.

[0030] Figure 7 yes Figure 5 Exploded view of the sealing element and main body of the electronic heating atomizing core (section location is...) Figure 1 (The AA position).

[0031] Figure 8 yes Figure 1 Exploded view of the sealing components and main body of the electronic heating atomizing core.

[0032] Figure 9 yes Figure 8 A magnified view of part Q.

[0033] Figure 10 yes Figure 8 A bottom view of the main component.

[0034] Figure 11 yes Figure 10 A magnified view of the T-section.

[0035] Figure 12 Liquid enters Figure 1 A schematic diagram of the air exchange gap of the electronically heated atomizing core (sectioned at...). Figure 1 At position AA, the air pressure on the liquid in the ventilation gap is balanced with the air pressure in the ventilation and liquid storage channel.

[0036] Figure 13 Liquid enters Figure 1 A schematic diagram of the air exchange gap of the electronically heated atomizing core (sectioned at...). Figure 1 At position AA, the liquid in the ventilation gap experiences a higher air pressure than the liquid in the ventilation and storage channel.

[0037] Figure 14 Liquid enters Figure 1 A schematic diagram of the air exchange gap of the electronically heated atomizing core (sectioned at...). Figure 1At position AA, the air pressure on the liquid in the ventilation gap is less than the air pressure in the ventilation and liquid storage channel.

[0038] Figure 15 Liquid enters Figure 1 A schematic diagram of the air exchange gap of the electronically heated atomizing core (sectioned at...). Figure 1 At position AA, the liquid in the ventilation and liquid storage channel flows back from the return tank to the liquid guide in the receiving cavity.

[0039] Figure 16 This is a perspective view of an electronic heating atomizing device according to one embodiment of the present invention.

[0040] Figure 17 yes Figure 16 A cross-sectional view of the BB position.

[0041] The labels in the diagram represent: electronic heating atomizing core 1, substrate 10, main body 100, ventilation and liquid storage channel 1000, primary liquid storage tank 1011, secondary liquid storage tank 1012, first main channel 1021, second main channel 1022, connecting channel 1023, first step 1031, second step 1032, first ventilation hole 1040, receiving cavity 1050, return channel 110, sealing element 120, second ventilation hole 1201, protrusion 1202, ventilation gap 130, first gap 1301, second gap 1302, liquid guiding element 11, heating element 12, outer shell 2, liquid storage tank 21, vent 22, first direction 31, second direction 32, third direction 33, liquid 4. Detailed Implementation

[0042] To provide a clearer understanding of the technical features, objectives, and effects of this invention, specific embodiments are now described in detail with reference to the accompanying drawings. It should be understood that if terms such as "upper," "lower," "longitudinal," "horizontal," "top," "bottom," "inner," or "outer" appear in the text, indicating orientation or positional relationships based on the orientation or positional relationships shown in the drawings, or indicating construction and operation in a specific orientation, they are merely for the convenience of describing the technical solution and do not indicate that the device or element referred to must have a specific orientation; therefore, they should not be construed as limitations on this invention. It should also be noted that unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," or "setting" appear in the text and should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or integration; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two elements or the interaction between two elements. When an element is referred to as being "above" or "below" another element, the element can be located "directly" or "indirectly" on top of the other element, or there may be one or more intermediary elements. If the terms "first," "second," etc., appear in the text merely for the convenience of describing the technical solution, and are not to be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features, then features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0043] In the following description, specific details such as particular system architectures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of the invention. However, those skilled in the art will understand that the invention can be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods are omitted so as not to obscure the description of the invention with unnecessary detail.

[0044] See Figure 1-15In one embodiment of the present invention, an electronically heated atomizing core 1 for preventing leakage includes a substrate 10, a liquid guiding component 11 for conducting liquid 4, and a heating element 12 for heating and atomizing the liquid guiding component 11. The substrate 10 has a receiving cavity 1050 connected to an inlet (104) between the outside of the substrate (10) and the receiving cavity (1050). The inlet (104) allows external liquid to enter the receiving cavity, be absorbed and conducted by the liquid guiding component (11), and be heated and atomized by the heating element 12. The liquid guiding component 11 and the heating element 12 are located in the receiving cavity 1050. The substrate 10 has a ventilation and liquid storage channel 1000, which includes a primary liquid storage tank 10. 11 and secondary storage tank 1012, the base 10 is provided with a ventilation gap 130 on one side in the first direction 31, the ventilation gap 130 is connected to one end of the primary storage tank 1011, the primary storage tank 1011 is connected to the secondary storage tank 1012, the secondary storage tank 1012 extends in a direction away from the ventilation gap 130; the inner side of the primary storage tank 1011 is not flush with the inner side of the secondary storage tank 1012 to form a first step 1031 from the primary storage tank 1011 to the secondary storage tank 1012; the ventilation and storage channel 1000 is connected to the outside of the base 10 at a position away from the ventilation gap 130 so that external air can enter the ventilation and storage channel 1000.

[0045] When the electronically heated atomizing core 1 is used in an electronically heated atomizing device, the device is equipped with a liquid storage tank 21, which is connected to a liquid inlet 104. The liquid storage tank 21 stores liquid 4, which is supplied to the liquid guide 11 through the liquid inlet 104. The heating element 12 contacts the liquid guide 11 and is energized to heat and atomize the liquid 4 in the liquid guide 11. During the continuous heating and atomization process of the device, the liquid 4 in the liquid storage tank 21 is consumed. The air exchange gap 130 of the electronically heated atomizing core 1 can be connected to the liquid storage tank 21 to ensure that the gas in the liquid storage tank 21 can be replenished in time to balance the air pressure after the liquid 4 is consumed. At the same time, the structure of the primary liquid storage tank 1011, the air exchange and liquid storage channel 1000, and the first step 1031 is used to balance the air pressure and lock the leaked liquid 4. When there are some harsh environments such as changes in air pressure and temperature, the liquid 4 can also be locked in well to prevent leakage.

[0046] Specifically, see Figure 11 When liquid 4 enters the ventilation and storage channel 1000 from the ventilation port, it will first leak into the ventilation gap 130. The surface tension of liquid 4 will cause the liquid surface to spread evenly to form a liquid film. The liquid film will seal the storage tank 21 to form a closed space.

[0047] At this point, when factors such as air pressure decreases due to air travel or high altitude, or when the user is pumping, cause the air pressure inside the liquid storage tank 21 to be higher than the outside air pressure, the gas pressure compresses the liquid 4. The liquid 4 is then forced from the ventilation gap 130 into the primary liquid storage tank 1011. (See [link to relevant documentation]). Figure 11 First, it will be stored in the primary storage tank 1011. When the storage tank is full, the liquid level will reach the first step 1031. The liquid 4 will be guided by the secondary storage tank 1012 and evenly distributed to various parts of the ventilation and storage channel 1000, thereby keeping the liquid level at the first step 1031 unchanged.

[0048] When the external air pressure increases or when liquid 4 is consumed, the air pressure inside the liquid storage tank 21 becomes lower than the external air pressure. At this time, air tends to enter the liquid storage tank 21. (See [reference]). Figure 13 At this point, the liquid film formed in the primary storage tank 1011 will be compressed by external air pressure due to its obstruction of air entry. Liquid 4 will then be forced into the storage chamber 21, further reducing the air volume occupied by gas within the liquid 4 space, thus increasing the air pressure and achieving equilibrium. (See also...) Figure 12 When the liquid 4 in the ventilation and liquid storage channel 1000 is squeezed into the liquid storage tank 21 by the gas, and a large pressure difference still exists, the gas pressure will break through the liquid surface film and further enter the liquid storage tank 21, increasing the gas pressure in the space inside the liquid storage tank 21 and thus achieving pressure balance. Alternatively, in some cases, the gas pressure changes suddenly, and the gas directly breaks through the liquid surface film through the ventilation channel and enters the liquid storage tank 21. In this case, the structure of the intersecting primary liquid storage tank 1011 and secondary liquid storage tank 1012 can also effectively store the liquid 4 and prevent leakage.

[0049] See Figure 2-10 Preferably, the substrate 10 includes a main body 100 and a sealing member 120 disposed on the main body 100. The main body 100 is provided with a first vent 1040 on one side in the first direction 31. The first vent 1040 is connected to one end of the venting and liquid storage channel 1000 along the first direction 31. The sealing member 120 is provided with a second vent 1201. The sealing member 120 blocks part of the first vent 1040 and defines a venting gap 130 with the first vent 1040.

[0050] See Figure 2-7 Specifically, the first vent 1040 has a relatively large opening, and the sealing member 120 has a protrusion 1202 on the side facing the main body 100. The protrusion 1202 blocks part of the first vent 1040, so that the sealing member 120 blocks part of the vent that connects to the first main channel 1021, leaving a small venting gap 130. This facilitates the production of the main body 100, because if too small a hole is formed directly on the main body 100, the mold will be difficult to produce and its lifespan will be short.

[0051] See Figure 2-7 Specifically, the first vent 1040 and the second vent 1201 are offset. The venting gap 130 includes a first gap 1301 and a second gap 1302. The first gap 1301 connects to the venting and liquid storage channel 1000, and the second substrate 10 connects the first gap 1301 and the second vent 1201. The first gap 1301 and the second gap 1302 are not parallel. Preferably, the second vent 1201 is located on one side of the sealing member 120 in the first direction 31, the first gap 1301 extends along the first direction 31, and the second gap 1302 extends along the second direction 32.

[0052] See Figure 2-6 Preferably, the opening size of the ventilation gap 130 is smaller than the opening size of the ventilation and liquid storage channel 1000. This design aims to utilize the capillary tension of the liquid 4 in the narrower position to prevent the liquid 4 from leaking due to its own weight and the pressure of the liquid 4 in the liquid storage chamber 21 of the electronic heating atomizing device. The purpose of the wider ventilation and liquid storage channel 1000 is that in some extreme situations (such as air pressure changes when flying at high altitudes), the air pressure in the liquid storage chamber 21 will rise and squeeze some liquid 4 into the ventilation gap 130. The squeezed e-liquid will be stored in the oil tank, and when the pressure recovers, it can be pushed back into the liquid storage chamber 21 from the ventilation and liquid storage channel 1000 by the external air pressure.

[0053] Specifically, for the size of the electronic heating atomizing core 1 used in electronic cigarettes, the opening size of the air exchange gap 130 is less than or equal to 0.5 mm², because if the air exchange gap 130 is too large, it is easy to leak liquid. A small area can form a capillary groove, and when the capillary force provided by the tension of the liquid 4 is greater than the gravity, the liquid 4 will not leak.

[0054] See Figure 6 Preferably, the inner wall of the ventilation and liquid storage channel 1000 is inclined, and the opening size of the ventilation and liquid storage channel 1000 gradually increases from the position near the ventilation gap 130 to the position away from the ventilation gap 130. The purpose is that, since the electronic heating atomizing core 1 is usually used with the ventilation gap 130 of the electronic heating atomizing core 1 facing upwards when it is used in an electronic heating atomizing device, the above-mentioned size design can prevent the liquid 4 entering the ventilation and liquid storage channel 1000 from the ventilation gap 130 from dripping downwards due to the capillary tension of the narrow upper part. At the same time, this makes it easier to demold.

[0055] See Figure 3-8Preferably, the ventilation and liquid storage channel 1000 includes a first main channel 1021, a second main channel 1022, and a connecting channel 1023. The first main channel 1021 and the second main channel 1022 extend along a first direction 31 and are spaced apart along a second direction 32. The connecting channel 1023 is located between the first main channel 1021 and the second main channel 1022 and connects the first main channel 1021 and the second main channel 1022. The first direction 31 is not parallel to the second direction 32. Preferably, the first direction 31 is perpendicular to the second direction 32.

[0056] See Figure 11 Preferably, the dimensions C1 and C2 of the first main channel 1021 and the second main channel 1022 along the third direction 33 are larger than the dimension A of the connecting channel 1023 along the third direction 33, so as to form a secondary liquid storage tank 1012. The first main channel 1021, the second main channel 1022, and the connecting channel 1023 form an intersecting structure. At the intersection, the capillary tension of the liquid 4 is greater, which can better store the liquid 4 and prevent leakage. The third direction 33 is not parallel to the first direction 31 and the second direction 32. Preferably, the first direction 31, the second direction 32, and the third direction 33 are perpendicular to each other. Preferably, the connecting channel 1023 is connected to the middle of the first main channel 1021 and the second main channel 1022, so that secondary liquid storage tanks 1012 are formed on both sides of the first main channel 1021 and the second main channel 1022 along the third direction 33. Preferably, the primary storage tank 1011 is located on the side of the connecting channel 1023 and the second main channel 1022 near the ventilation gap 130, and connects the first main channel 1021, the second main channel 1022 and the end of the connecting channel 1023 near the ventilation gap 130.

[0057] Preferably, see Figure 4 The primary storage tank 1011 and the connecting channel 1023 have similar widths. Figure 4 In the embodiment, the primary liquid storage tank 1011 is sized similarly to the three-dimensional view along the third direction 33, and preferably they are equal. The inner side of the connecting channel 1023 is flush with the inner side of the primary liquid storage tank 1011.

[0058] See Figure 11Preferably, the width A of the primary liquid storage tank 1011 and the connecting channel 1023 is greater than the widths B1 and B2 of the secondary liquid storage tank 1012. This is to make the secondary liquid storage tank 1012 narrower and have greater capillary tension. When the liquid 4 in the primary liquid storage tank 1011 and the connecting channel 1023 reaches a certain amount, it can be guided to flow to all parts of the secondary liquid storage tank 1012 through the greater capillary tension of the secondary liquid storage tank 1012, thus having more liquid storage space. At the same time, the primary liquid storage tank 1011 is closer to the air exchange port. If too much liquid 4 is accumulated in the primary liquid storage tank 1011, it will cause a greater pressure difference required for air exchange. Therefore, this design can avoid excessive accumulation of liquid 4 in the primary liquid storage tank 1011 and the connecting channel 1023.

[0059] See Figure 4 Preferably, inside the ventilation and liquid storage channel 1000, there is a height difference between the surface of the ventilation gap 130 connecting the opening of the primary liquid storage tank 1011 and the inner surface of the primary liquid storage tank 1011, forming a second step 1032 that transitions from the opening of the ventilation gap 130 connecting the primary liquid storage tank 1011 to the inner surface of the primary liquid storage tank 1011. When the liquid 4 outside the atomizing core enters the primary liquid storage tank 1011 through the ventilation gap 130 due to a change in air pressure, as the liquid 4 accumulates, it first maintains the liquid level at the first step 1031, forming a liquid film. When it breaks through the first step 1031, the liquid level reaches the second step 1032 and maintains the liquid level, forming a liquid film again.

[0060] See Figure 3-9 Preferably, the end of the ventilation and liquid storage channel 1000 away from the ventilation gap 130 is connected to the outside of the substrate 10 so that outside air can enter the ventilation and liquid storage channel 1000.

[0061] See Figure 3-9 Preferably, the substrate 10 is provided with a return channel 110, which is connected to the ventilation and liquid storage channel 1000 and the receiving cavity 1050, and to the liquid guide 11, so that the liquid 4 in the ventilation and liquid storage channel 1000 can flow back to the liquid guide 11. The function of the return channel 110 is that when too much liquid 4 accumulates in the ventilation and liquid storage channel 1000 in the substrate 10, when the liquid level reaches the return tank, it can flow through the return tank to the liquid guide 11. The liquid guide 11 absorbs the liquid 4. When working, the replacement leaf in the ventilation and liquid storage channel 1000 will be reused by the heating element 12 for heating and atomization, so as to prevent the liquid 4 in the ventilation and liquid storage channel 1000 from being full and leaking out to the outside of the electronic heating atomizing core 1.

[0062] See Figure 3-9 Preferably, the reflux channel 110 is connected to the end of the ventilation and liquid storage channel 1000 that is away from the ventilation gap 130.

[0063] See Figure 16-17An electronic heating atomizing device according to one embodiment of the present invention includes a housing 2 and the aforementioned electronic heating atomizing core 1 disposed in the housing 2. The housing 2 is provided with a vent 22 communicating with the outside for the atomized gas generated by the electronic heating atomizing core 1 to flow out to the outside. The housing 2 is provided with a liquid storage chamber 21 communicating with a liquid inlet 104 for storing liquid 4. A liquid guide 11 conducts the liquid 4 in the liquid storage chamber 21 to a heating element 12 for deheating and atomization. A sealing element 120 is disposed between the housing 2 and the main body 100 to form a seal. An air exchange gap 130 communicates with the liquid storage chamber 21.

[0064] In summary, in the electronic heating atomizing core 1 and the electronic heating atomizing device, the air exchange gap 130 of the electronic heating atomizing core 1 can be connected to the liquid storage tank 21, ensuring that the gas in the liquid storage tank 21 can be replenished in time to balance the air pressure after the liquid 4 is consumed. At the same time, the structure of the primary liquid storage tank 1011, the air exchange liquid storage channel 1000, and the first step 1031 is used to balance the air pressure and lock the leaked liquid 4. When there are some harsh environments such as changes in air pressure and temperature, the liquid 4 can also be locked in well to prevent leakage. The electronic heating atomizing core 1 is also provided with a return channel 110. When too much liquid 4 accumulates in the ventilation and liquid storage channel 1000 in the base 10, when the liquid level reaches the return tank, it can flow through the return tank to the liquid guide 11. The liquid guide 11 absorbs the liquid 4. When working, the replacement leaf in the ventilation and liquid storage channel 1000 will be reused by the heating element 12 for heating and atomization, so as to prevent the liquid 4 in the ventilation and liquid storage channel 1000 from being full and leaking out to the outside of the electronic heating atomizing core 1.

[0065] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. For those skilled in the art, the present invention can have various modifications, combinations, and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of the claims of the present invention.

Claims

1. An electronic heating atomization core (1) capable of preventing liquid leakage, characterized in that, The system includes a substrate (10), a liquid guiding component (11) for conducting liquid, and a heating element (12) for heating and atomizing the liquid in the liquid guiding component (11). The substrate (10) has a receiving cavity (1050) and a liquid inlet (104) connecting the outside of the substrate (10) to the receiving cavity (1050). The liquid guiding component (11) and the heating element (12) are disposed in the receiving cavity (1050). The substrate (10) also has a gas exchange and liquid storage channel (1000). The gas-liquid storage channel (1000) includes a primary liquid storage tank (1011) and a secondary liquid storage tank (1012). A ventilation gap (130) is provided on the substrate (10), which connects to one end of the primary liquid storage tank (1011). The primary liquid storage tank (1011) connects to the secondary liquid storage tank (1012), and the secondary liquid storage tank (1012) extends in a direction away from the ventilation gap (130). The inner surface of the primary liquid storage tank (1011) is connected to the... The inner surface of the secondary storage tank (1012) is not flush to form a first step (1031) transitioning from the primary storage tank (1011) to the secondary storage tank (1012); the ventilation storage channel (1000) is connected to the outside of the substrate (10) at a position away from the ventilation gap (130) to allow external air to enter the ventilation storage channel (1000); the ventilation storage channel (1000) includes a first main channel (1021) and a second main channel (1022). The first main channel (1021) and the second main channel (1022) extend along the first direction (31) and are spaced apart along the second direction (32). The connecting channel (1023) is located between the first main channel (1021) and the second main channel (1022) and connects the first main channel (1021) and the second main channel (1022). The first direction (31) is not parallel to the second direction (32).

2. The electronic heating atomization core (1) according to claim 1, characterized in that, The substrate (10) includes a main body (100) and a sealing member (120) provided on the main body (100). The main body (100) is provided with a first vent (1040) which is connected to one end of the venting and liquid storage channel (1000). The sealing member (120) is provided with a second vent (1201) which blocks part of the first vent (1040) and defines the venting gap (130) with the first vent (1040).

3. The electronically heated atomizing core (1) according to claim 2, characterized in that, The sealing element (120) has a protrusion (1202) on the side facing the main body (100), and the protrusion (1202) blocks part of the first ventilation hole (1040).

4. The electronically heated atomizing core (1) according to claim 2, characterized in that, The first vent (1040) and the second vent (1201) are offset. The venting gap (130) includes a first gap (1301) and a second gap (1302). The first gap (1301) is connected to the venting and liquid storage channel (1000). The second substrate (10) is connected to the first gap (1301) and the second vent (1201). The first gap (1301) and the second gap (1302) are not parallel.

5. The electronically heated atomizing core (1) according to claim 1, characterized in that, The opening size of the ventilation gap (130) is smaller than the opening size of the ventilation and liquid storage channel (1000).

6. The electronically heated atomizing core (1) according to claim 5, characterized in that, The opening size of the ventilation gap (130) is less than or equal to 0.5 mm².

7. The electronically heated atomizing core (1) according to claim 1, characterized in that, The inner wall of the ventilation and liquid storage channel (1000) is inclined, and the opening size of the ventilation and liquid storage channel (1000) gradually increases from the position near the ventilation gap (130) to the position away from the ventilation gap (130).

8. The electronically heated atomizing core (1) according to claim 1, characterized in that, The dimensions of the first main channel (1021) and the second main channel (1022) along the third direction (33) are larger than the dimensions of the connecting channel (1023) along the third direction (33) to form the secondary liquid storage tank (1012); the third direction (33) is not parallel to the first direction (31) and the second direction (32).

9. The electronically heated atomizing core (1) according to claim 8, characterized in that, The connecting channel (1023) is connected to the middle of the first main channel (1021) and the second main channel (1022) so that the secondary liquid storage tank (1012) is formed on both sides of the first main channel (1021) and the second main channel (1022) in the third direction (33).

10. The electronically heated atomizing core (1) according to claim 1, characterized in that, The primary storage tank (1011) is located on the side of the connecting channel (1023) and the second main channel (1022) near the ventilation gap (130), and connects the first main channel (1021), the second main channel (1022) and the connecting channel (1023) near the ventilation gap (130).

11. The electronically heated atomizing core (1) according to claim 10, characterized in that, The width of the primary storage tank (1011) is equivalent to that of the connecting channel (1023).

12. The electronically heated atomizing core (1) according to claim 11, characterized in that, The width of the primary storage tank (1011) and the connecting channel (1023) is greater than the width of the secondary storage tank (1012).

13. The electronically heated atomizing core (1) according to claim 1, characterized in that, Inside the ventilation and liquid storage channel (1000), there is a height difference between the surface of the ventilation gap (130) connecting the opening of the primary liquid storage tank (1011) and the inner surface of the primary liquid storage tank (1011), forming a second step (1032) from the opening of the ventilation gap (130) connecting the primary liquid storage tank (1011) to the inner surface of the primary liquid storage tank (1011).

14. The electronically heated atomizing core (1) according to claim 1, characterized in that, The end of the ventilation and liquid storage channel (1000) away from the ventilation gap (130) leads to the outside of the substrate (10).

15. The electronically heated atomizing core (1) according to claim 1, characterized in that, The substrate (10) is provided with a return channel (110) that connects to the ventilation and liquid storage channel (1000) and leads to the liquid guide (11) so that the liquid in the ventilation and liquid storage channel (1000) can return to the liquid guide (11).

16. The electronically heated atomizing core (1) according to claim 15, characterized in that, The reflux channel (110) is connected to the end of the ventilation and liquid storage channel (1000) away from the ventilation gap (130).

17. An electronic heating atomizing device, comprising a housing (2) and an electronic heating atomizing core (1) according to any one of claims 1-16 disposed in the housing (2), wherein the housing (2) is provided with an air passage (22) communicating with the outside for the atomization generated by the electronic heating atomizing core (1) to flow out to the outside, and the housing (2) is provided with a liquid storage chamber (21) communicating with the liquid inlet (104) for storing liquid, and the air exchange gap (130) communicating with the liquid storage chamber (21).

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