CN113367393A - Atomizing device and aerosol generating device - Google Patents

Abstract

The invention relates to an atomizing device and an aerosol generating device, wherein the atomizing device comprises an oil storage bin, an atomizing installation component, a heating atomizing component and a control piece, the control piece is arranged between at least one conductive piece and the heating atomizing component, the control piece is a thermosensitive metal sheet and senses the temperature change of the heating atomizing component to generate deformation, and the control piece is automatically disconnected or connected with the at least one conductive piece and the heating atomizing component by sensing the heat change so as to control the working state of the heating atomizing component. The effect of the on-off of the heating atomization component is achieved through the heat-sensitive characteristic of the heat-sensitive metal sheet, the atomization device can be prevented from being overheated and burnt, and the atomization device has the advantages of good applicability, low cost, stable control and no occupation of excess energy heat.

Description

Atomizing device and aerosol generating device

Technical Field

The invention relates to the technical field of smoke articles, in particular to an atomizing device and an aerosol generating device.

Background

The electric heating atomization technology is a novel atomization technology which is started in recent years, the principle is that heat energy is generated through the heat effect of a resistor, the heat energy heats and atomizes liquid into atomized steam, and the electric heating atomization technology is widely applied to medical, intelligent household appliances and consumer electronics products at present.

At present, the atomizing device applied in the electronic cigarette industry generally controls the atomizing component by means of resistance value change of a heating body of the atomizing component read by a battery scheme, software calculation and the like, and the atomizing device is complex in scheme, poor in control stability, high in cost and not easy to popularize.

Disclosure of Invention

The invention aims to provide an atomization device and an aerosol generating device.

The technical scheme adopted by the invention for solving the technical problems is as follows: an atomization device is constructed, and comprises an oil storage bin, an atomization installation assembly, a heating atomization assembly and a control piece;

the oil storage bin is internally provided with an air guide channel and an oil storage cavity for storing atomized liquid, and the heating atomization assembly is mounted in the atomization mounting assembly, accommodated in the oil storage bin and connected with the oil storage cavity; the atomization installation component comprises a plurality of conductive pieces;

the control piece is arranged between at least one of the conductive pieces and the heating atomization component, is a thermosensitive metal sheet and senses the temperature change of the heating atomization component to generate deformation, and automatically disconnects or connects at least one of the conductive pieces and the heating atomization component by sensing the heat change so as to control the working state of the heating atomization component.

Preferably, the control part is provided with at least one bent part, and the bent part extends into an atomizing heating area of the heat-generating atomizing assembly;

preferably, the control member is a spring structure, and includes a fixing portion and a contact portion respectively connected to two ends of the bending portion;

the fixing part is fixedly connected with at least one of the conductive pieces or the atomization heating component, and the interference part is detachably connected with the atomization heating component or at least one of the conductive pieces.

Preferably, the elastic sheet structure comprises a first layer and a second layer which are connected with each other, the thermal expansion coefficient of the first layer is greater than that of the second layer, and the first layer faces one side of the atomizing and heating assembly.

Preferably, the heat generating atomization assembly comprises a porous body and a heating element, the porous body comprises a liquid inlet surface and an atomization surface which are opposite, and the heating element is arranged on the atomization surface of the porous body;

the fixing part is fixedly connected with the heating body, the interference part is detachably connected with at least one conductive piece, or the fixing part is fixedly connected with at least one conductive piece, and the interference part is detachably connected with the heating body.

Preferably, the heat-generating atomization assembly comprises a tubular liquid guide body and a heating body, and the wall surface of an inner cavity of the tubular liquid guide body is an atomization surface;

the heating body comprises a spiral heating part and two conductive parts respectively connected with two ends of the spiral heating part, the spiral heating part is arranged on the atomization surface of the tubular liquid guide body, and the two conductive parts extend out of the tubular liquid guide body;

the fixing part is fixedly connected with at least one of the conductive parts, and the interference part is detachably connected with at least one of the conductive parts, or the fixing part is fixedly connected with at least one of the conductive parts, and the interference part is detachably connected with at least one of the conductive parts.

Preferably, the heating atomization assembly comprises a columnar liquid guide body and an atomization heating body, the circumferential surface of the columnar liquid guide body is an atomization surface, and the atomization heating body comprises a heating wire wound on the circumferential surface of the columnar liquid guide body and two conductive wires respectively connected with two ends of the heating wire;

the fixing part is fixedly connected with at least one of the conductive wires, and the interference part is detachably connected with at least one of the conductive pieces, or the fixing part is fixedly connected with at least one of the conductive pieces, and the interference part is detachably connected with at least one of the conductive wires.

Preferably, the end of at least one conductive wire is provided with a conductive block;

the fixing part with conducting block fixed connection, conflict portion with at least one but conducting piece separable connection, perhaps, the fixing part with at least one but conducting piece fixed connection, conflict portion with but conducting block separable connection.

Preferably, the atomization mounting assembly comprises a base and a mounting seat arranged on the base and connected with the mounting seat in a buckling manner; the heating atomization assembly is clamped between the mounting seat and the base;

the mounting seat comprises a main body part and a nesting part extending downwards from the main body part, wherein a liquid inlet groove is formed in the main body part and is communicated with the oil storage cavity and the heating atomization assembly;

the base comprises a bottom plate, and the bottom plate extends upwards to form oppositely arranged supporting arms; the supporting arm is connected with the nesting part in a buckling manner;

the bottom plate is also provided with the conductive piece.

Preferably, the atomization mounting assembly further comprises a sealing sleeve which is sleeved on at least part of the outer periphery of the porous body and arranged on the inner periphery of the nesting part;

the middle part of the sealing sleeve is provided with a through hole penetrating through the upper surface and the lower surface of the sealing sleeve, and the through hole is matched with the liquid inlet groove to form a liquid guide channel.

Preferably, the atomization mounting component further comprises a sleeve body sleeved on the periphery of the main body part;

the sleeve body comprises a top wall and a pair of blocking walls which extend downwards from the periphery of the top wall and are arranged oppositely, and the peripheries of the blocking walls are abutted against the inner wall of the oil storage bin;

the top wall is provided with a liquid passing hole penetrating through the upper surface and the lower surface of the top wall, and the liquid passing hole is arranged corresponding to the liquid inlet groove.

The present application also provides an aerosol generating device comprising an aerosolization device and a power supply assembly for providing electrical energy to the aerosolization device, the aerosolization device being as described above.

The implementation of the invention has the following beneficial effects: the utility model provides an atomizing device includes oil storage bin, atomizing installation component, the atomizing subassembly that generates heat, control, and control locates at least one electrically conductive piece and generates heat between the atomizing subassembly, and this control is the temperature sensing sheetmetal, and it experiences the temperature variation that generates heat the atomizing subassembly and produces deformation, through response heat change automatic disconnection or connect at least one electrically conductive piece and the atomizing subassembly that generates heat to the operating condition of the atomizing subassembly that generates heat is controlled. The effect of the on-off of the heating atomization component is achieved through the heat-sensitive characteristic of the heat-sensitive metal sheet, the atomization device can be prevented from being overheated and burnt, and the atomization device has the advantages of being good in applicability, low in cost, stable in control and free of occupying redundant energy.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is an exploded view of a heat generating atomizing assembly, a conductive member, and a control member in accordance with an embodiment of the present invention;

FIG. 2 is a schematic view of the heat generating atomizing assembly, the conductive member and the control member (in a connected state) of FIG. 1;

FIG. 3 is a schematic view of the heat generating atomizing assembly, the conductive member, and the control member (in an off state) of FIG. 1;

FIG. 4 is a schematic view of a heat generating atomizing assembly, a conductive member and a control member (in a connected state) in accordance with another embodiment of the present invention;

FIG. 5 is a schematic view of the heat generating atomizing assembly, the conductive member, and the control member (in an off state) of FIG. 4;

FIG. 6 is a schematic view of a heat generating atomizing assembly, a conductive member and a control member (in a connected state) in accordance with another embodiment of the present invention;

FIG. 7 is a schematic view of the heat generating atomizing assembly, the conductive member, and the control member (in an off state) of FIG. 6;

FIG. 8 is a schematic view of a heat-sensitive metal sheet according to the present invention at room temperature;

FIG. 9 is a schematic view of the structure of the heat sensitive metal sheet of the present invention at a higher temperature;

FIG. 10 is a graph of data from thermocouple and fogging surface distance tests;

FIG. 11 is a schematic diagram of an atomizing device in accordance with an embodiment of the present invention;

FIG. 12 is an exploded view of the structure of the atomizing device of FIG. 11;

FIG. 13 is a front cross-sectional view of the atomizing device of FIG. 11;

fig. 14 is a side sectional view of the atomizing device of fig. 11.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

First embodiment

Referring to fig. 1 to 3 and fig. 11 to 14, the atomizer of the present embodiment includes an oil storage tank 4, an atomizing mounting assembly 5, a heat-generating atomizing assembly 1, and a control member 3.

An air guide channel and an oil storage cavity 41 for storing atomized liquid are arranged in the oil storage bin 4, and the heating atomization assembly 1 is installed in the atomization installation assembly 5, is accommodated in the oil storage bin 4 and is connected with the oil storage cavity 41; the atomizing mounting assembly comprises a plurality of electrically conductive members 2.

The control piece 3 is arranged between the at least one conductive piece 2 and the heating atomization component 1, the control piece 3 is a thermosensitive metal sheet, the thermosensitive metal sheet can sense the temperature change of the heating atomization component 1 to deform, and the at least one conductive piece 2 and the heating atomization component 1 are automatically disconnected or connected by sensing the heat change, so that the working state of the heating atomization component 1 is controlled.

In the embodiment, the oil storage bin 4 is made of a hard insulating material, such as phenolic plastic, polyurethane plastic, epoxy plastic, unsaturated polyester plastic, furan plastic, silicone resin, acryl resin, and modified resin thereof. The oil storage bin 4 is a long structure extending along a central axis direction, that is, the length along the central axis direction is far greater than the width and the thickness of the oil storage bin in two perpendicular directions in the cross section, an air outlet hole 42 is formed at the upper end of the oil storage bin 4, an air guide pipe 43 extends downwards from the periphery of the air outlet hole 42, and the air outlet hole 42 and the air guide pipe 43 cooperate to form an air guide channel. The lower extreme of oil storage bin 4 is for opening, and the inside oil storage chamber 41 that forms storage atomized liquid of oil storage bin 4. The air duct 43 is made of metal, such as stainless steel, and is a hollow circular tube structure, of course, the air duct 43 may also be made of high molecular polymer with good stability, and the material, shape and size of the air duct may be selected according to the requirement, which is not specifically limited herein.

Preferably, the atomizing mounting assembly 5 includes a base 51 and a mounting seat 52 disposed on the base 51 and snap-connected to the mounting seat 52, and the heat-generating atomizing assembly 1 is clamped between the mounting seat 52 and the base 51.

Further, the mounting seat 52 includes a main body 521 and a nesting portion 522 extending downward from the main body 521, a liquid inlet groove 5212 is formed in the main body 521, and the liquid inlet groove 5212 communicates the oil storage chamber 11 with the heat generating atomization assembly 1.

Preferably, the heat generating atomization assembly 1 includes a porous body 11 and a heating element 12, the upward surface of the porous body 11 is a liquid inlet surface, the opposite side of the liquid inlet surface is an atomization surface, an atomization cavity is formed between the atomization surface and the base 51, and the heating element 12 is arranged on the atomization surface.

The porous body 11 is made of porous ceramic, and it is understood that the material of the porous body 11 may be a porous material having a capillary effect of micropores, such as foamed metal, porous glass, or a hard glass fiber tube.

The material of the heating body 12 may be a metal material having an appropriate resistance, a metal alloy, graphite, carbon, a conductive ceramic or other ceramic material, and a composite material of the metal material. Suitable resistive metal or alloy materials include at least one of nickel, cobalt, zirconium, titanium, nickel alloys, cobalt alloys, zirconium alloys, titanium alloys, nickel-chromium alloys, nickel-iron alloys, iron-chromium-aluminum alloys, titanium alloys, iron-manganese-aluminum based alloys, or stainless steel, among others.

Preferably, the heat generating body 12 includes a first conductive portion 121, a second conductive portion 122, a first heat generating portion 123, and a second heat generating portion 124, the first heat generating portion 123 and the second heat generating portion 124 are disposed in parallel, the first conductive portion 121 is connected to first ends of the first heat generating portion 123 and the second heat generating portion 124, the first conductive portion 121 is disposed on left sides of the first heat generating portion 123 and the second heat generating portion 124, second ends of the first thermoelectric portion 123 and the second heat conducting portion 124 are connected to the second conductive portion 122, and the second conductive portion 122 is disposed on right sides of the first heat generating portion 123 and the second heat generating portion 124. The first heat generating portion 123 and the second heat generating portion 124 may be in a wave-shaped structure, and opposite peaks thereof may be connected by a connecting structure to form a plurality of parallel structures.

Preferably, the heat-generating body 32 further includes a first hook portion connected to the first conductive portion 121, and a second hook portion connected to the second conductive portion 122, the first hook portion and the second hook portion being embedded in the porous body 11, and the first hook portion and the second hook portion may be of an L-shaped structure, which improves the fixing stability of the heat-generating body 12. It is understood that the heating element 12 may be integrated with the porous body 11, or may be printed on the porous body 11 by a printing process, and the structure may be various, and is not limited specifically herein.

Of course, the heating element 12 may be a sheet-like heating net, and the heating element 12 is bonded and fixed to the atomized surface of the porous body 11. The heating element 12 may be a heating wire bent into a disk shape or a heating sheet in a grid shape, and the heating element 12 may be sintered with the porous body 11 to be attached to the atomization surface. In some embodiments, the heating element 12 may be a heating line, a heating track, a heating coating, a heating film, or the like formed on the bottom surface (atomizing surface) of the porous body 11. The structure shape can be various and can be selected according to the requirement. The heating net, the heating wire, the heating sheet, the heating line, the heating track, the heating coating or the heating film and the like are arranged corresponding to the atomizing surface, so that the distance between the atomizing surface and the heating body 32 is the shortest, and the atomizing device is used for atomizing the atomizing liquid such as tobacco tar and the like to quickly reach the heating track for atomization.

Further, the atomizing mounting member 5 further includes a sealing sleeve 53, which is disposed on at least a portion of the outer periphery of the porous body 31 and on the inner periphery of the nesting portion 522.

The middle part of the sealing sleeve 53 is provided with a through hole 5311 penetrating through the upper and lower surfaces thereof, and the through hole 5311 is matched with the liquid inlet groove 5212 to form a liquid guide channel. Preferably, the sealing sleeve 53 may include an annular portion 531, the hollow structure of the annular portion 531 forms the through hole 5311, the outer periphery of the annular portion 531 may further have an annular protrusion 5312, the protrusion 5312 abuts against the inner periphery of the nesting portion 522, the periphery of the annular portion 531 extends downward to form a surrounding portion 532, and the surrounding portion 532 surrounds the upper outer periphery of the porous body 31. The sealing sleeve 53 may be a silicone sleeve.

Preferably, the porous body 31 includes a first portion and a second portion, the first portion is located on the upper portion of the second portion, the length of the first portion is smaller than that of the second portion, the first portion is substantially in a step structure, the surrounding portion 532 surrounds the first portion, and the lower side surface of the surrounding portion 532 abuts against the upper surface of the portion of the second portion protruding from the first portion in the length direction.

Preferably, the atomizing mounting assembly 5 further includes a sleeve 54 disposed on the outer periphery of the main body 521, the sleeve 54 includes a top wall 541, and a pair of blocking walls 542 extending downward from the periphery of the top wall 541 and disposed opposite to each other, the outer periphery of the blocking walls 542 abuts against the inner wall of the oil storage bin 4, the top wall 541 is provided with a liquid passing hole 5412 penetrating through the upper and lower surfaces of the top wall 541, the liquid passing hole 5412 is disposed corresponding to the liquid inlet groove 5212, and in this embodiment, two liquid passing holes 5412 and two liquid inlet grooves 5212 may be disposed. Further, the periphery of the top wall 541 is also provided with an annular bulge, and the annular bulge abuts against the inner wall of the oil storage bin 1. The sheath 54 may be made of silicone.

Preferably, the top wall 541 is provided with a connecting cylinder 5411, the lower end of the air guiding tube 43 is mounted in the connecting cylinder 5411, further, the main body 521 is provided with an inward air guiding groove 5211, the connecting cylinder 5411 is accommodated in the air guiding groove 5211, air guiding holes are provided on two opposite sides of the air guiding groove 5211, preferably, the air guiding groove 5211 is substantially U-shaped, and the opposite wall surfaces of the air guiding groove 5211 are the wall surfaces of the liquid inlet groove 5212. Preferably, the nesting part 522 has flow guiding protrusions 5221 located at two sides of the air guiding hole at the periphery thereof for guiding the air.

Wherein, the atomized liquid is heated and atomized into aerosol, and then enters the air guide groove 5211 through the air guide hole and enters the air guide pipe 43 through the air guide groove 5211.

In this embodiment, the base 51 includes a bottom plate 511, a pair of opposite supporting arms 512 extend upward from the bottom plate 511, the supporting arms 512 are snap-connected to the nesting portion 522, preferably, each supporting arm 512 is provided with a limiting groove 5121, the outer side of the nesting portion 522 is provided with a snap 5222, and the snap 5222 is snap-fitted into the limiting groove 5121 to fix the mounting seat 52 to the base 51.

The outer periphery of the supporting arm 512 is provided with a supporting step 5122 to be in interference fit with the inner wall of the oil storage bin 4, and further, the inner periphery of the supporting arm 512 is provided with a bearing step 5123 to support the mounting seat 52 and the sealing sleeve 53.

Further, the bottom plate 511 is further provided with a conductive piece 2 electrically connected to the first conductive pillar 25 of the heating atomization assembly 3, the bottom plate 511 is provided with a limiting pipe, and the first conductive pillar 25 penetrates through the limiting pipe to be electrically connected to the heating atomization assembly 3.

The bottom plate 511 is further provided with an air inlet hole, preferably, the bottom plate 511 is provided with an air guide cylinder 514, the upper part of the air guide cylinder 514 is provided with a plate body, the plate body is provided with the air inlet hole, the air inlet hole can be provided in plurality, the number of the air inlet holes can be selected according to the requirement, and the air inlet hole is not specifically limited here. Preferably, the bottom plate 511 is provided with a support block, and the air inlet hole and the limit pipe are inserted through the support block, thereby improving the structural rigidity of the air inlet hole (or the air guide tube 514) and the limit pipe.

Preferably, the atomization installation component 5 further comprises a sealing ring 515, a groove 515 is formed in the periphery of the supporting arm 512, the sealing ring 515 is sleeved in the groove 515, and the periphery of the sealing ring 515 abuts against the inner wall of the oil storage bin 4, so that the overall sealing performance is improved.

As shown in fig. 1-3, the control member 3 preferably has at least one bent portion 32, and the bent portion 32 extends into the atomization heating area of the heat-generating atomization assembly 1. Of course, the control member 3 may be a plate-like structure, and the bent portion may not be provided.

Further, the control member 3 is a spring structure, and includes a fixing portion 31 and an abutting portion 33 respectively connected to two ends of the bending portion 32.

The fixing portion 31 is fixedly connected to at least one conductive member 2 or the atomizing and heating assembly 1, and the abutting portion 33 is detachably connected to the atomizing and heating assembly 1 or the at least one conductive member 2.

In this embodiment, the conductive member 2 may include a first conductive pillar 21 and a second conductive pillar 22, the second conductive pillar 22 is directly connected to the second conductive portion 122, the first conductive portion 121 is disposed opposite to the first conductive pillar 21, and the control component 3 is disposed between the first conductive portion 121 and the first conductive pillar 21.

Preferably, the fixing portion 31 is fixedly connected to the first conductive portion 121, the abutting portion 33 is detachably connected to the end of the first conductive pillar 21, and the bending portion 32 extends into the atomization heating area a.

Furthermore, the fixing portion 31 may include a first section 311 attached to the first conductive portion 121, the first section 311 may have a second section 312 extending downward, the second section 312 is connected to an end of the bending portion 32, the bending portion 32 may have a substantially U-shaped structure, or may have a C-shaped structure, and the bending portion 32 may have an arc section at its outer periphery to improve flexibility of deformation. The bent portion 32 can be configured in different shapes and sizes as required. The other end of the bent portion 32 may form an interference portion 33, that is, the interference portion 33 may be a part of the bent portion 32, and of course, the interference portion 33 may also be a structure arranged in mirror symmetry with the fixing portion 31, and it can be understood that the structure of the control member 3 may have various forms, which are not limited herein.

Of course, the fixing portion 31 may be fixedly connected to the end of the first conductive pillar 21, and the abutting portion 33 may be detachably connected to the first conductive portion 121, as long as one end of the elastic sheet structure is fixedly connected and the other end of the elastic sheet structure is detachably connected (movably connected).

Referring to fig. 8 and 9, the thermosensitive metal plate is a composite member composed of two or more metals or other materials having suitable properties, in which the metal plate has a high thermal expansion coefficient and is called an active layer 101, the metal plate has a low thermal expansion coefficient and is called a passive layer 102, the active layer 101 is mainly made of mnico, nicr, nifermoy, ni, and ni, etc., and the passive layer 102 is mainly made of nifico, and the ni content is generally 34-50%, and when the temperature changes, the deformation of the active layer 101 is larger than that of the passive layer 102 due to the difference in the thermal expansion coefficients of the metals, so that the thermosensitive metal plate is bent.

Therefore, in the present embodiment, the control member 3 is a sheet-shaped elastic sheet structure made of a heat-sensitive metal sheet, and includes a first layer and a second layer connected together, the first layer has a thermal expansion coefficient greater than that of the second layer, and the first layer faces the atomizing heat-generating component 1. Namely, the outer side surface of the elastic sheet structure is an active layer, and the inner side surface of the elastic sheet structure is a passive layer. It is understood that the first layer and the second layer are superposed on each other to form a heat-sensitive metal sheet of an integral structure.

Preferably, in the present embodiment, the control element 3 is a spring plate made of a heat-sensitive metal sheet, and may be a multi-layer structure, in which the active layer is Ni20Mn6, the passive layer is Ni36, and the middle layer may be added with copper to adjust the resistivity of the multi-layer material. The thickness of the control member 3 may be 0.25 mm.

Referring to fig. 10, a distance test chart between the thermocouple and the atomization surface is shown, and the test conditions are as follows: adopt atomizer heat-generating body resistance to be 1.1 omega, electron tobacco tar PG: VG ratio is 5:5, power supply adopts constant power of 5W, 7W and 9W, thermocouple distance to the atomization surface is: 1. and 2, contacting, wherein the distance is 0.2mm, the distance is 3, the distance is 0.4mm, the pumping time is 2 seconds, and the value of the thermocouple test at 2 seconds is taken as the standard. Through the test, can derive, the temperature of atomizing face can be higher when power is high atomizing, and the temperature test value that is close to the atomizing face is high, and when the temperature difference is great, the temperature far away from the atomizing face is lower, and the temperature difference is less, consequently, to realize the break-make of circuit through the temperature error value more accurately sensitively, need extend (be close to) kink 32 as far as possible to the zone of heating of atomizing.

In this embodiment, in a normal temperature state (or a low temperature state), the abutting portion 33 of the control element 3 is connected to the first conductive pillar 21, at this time, the control element 3 is connected to the first conductive pillar 21 and the heating element 12 in series, the bending portion 32 extends into the atomizing heating area a (or is 0.2mm away from the atomizing heating area a) as a main temperature sensing structure, the bending portion 32 senses a temperature change and a difference during atomizing, when the temperature is higher than a temperature critical point of deformation of the control element 3 (a thermosensitive metal sheet), the abutting portion 33 deforms to be away from the first conductive pillar 21, so that the heating circuit is disconnected, a condition that a core is pasted due to high temperature is avoided, when the temperature drops, the abutting portion 33 rebounds to gradually approach the first conductive pillar 21 until contacting with the first conductive pillar 21, at this time, the heating circuit is connected, and the heating atomizing assembly 1 can continue to work.

In some practical application scenes, when the atomizing device normally works, the temperature of the atomizing heating area A is about 200 ℃, the heat-sensitive metal sheet cannot deform, when the atomizing device is abnormal, if liquid supply is not smooth or the output power of the battery is overlarge, the temperature of the atomizing heating area A reaches 240 ℃, the heat-sensitive metal sheet deforms, the power supply of the heating body 12 is disconnected, the problem that the temperature further rises to cause core pasting can be effectively prevented, after the power supply of the heating body 12 is disconnected, when the temperature of the atomizing heating area A is lower than 200 ℃, the heat-sensitive metal sheet recovers to the original shape due to expansion and contraction and contacts with the conductive piece.

It can be understood that the effect of the on-off of the heating atomization component 1 is achieved through the heat-sensitive characteristic of the heat-sensitive metal sheet, the atomization device can be prevented from being overheated and burnt, and the atomization device has the advantages of being good in applicability, low in cost, stable in control and free of occupying redundant energy.

Second embodiment

In this embodiment, the atomizing device includes oil storage bin, atomizing installation component, the atomizing subassembly 1a that generates heat, control 3 a.

An air guide channel and an oil storage cavity for storing atomized liquid are arranged in the oil storage bin, and the heating atomization assembly 1a is installed in the atomization installation assembly, contained in the oil storage bin and connected with the oil storage cavity; the atomizing mounting assembly includes a plurality of conductive members 2 a.

The control piece 3a is arranged between the at least one conductive piece 2a and the heating atomization component 1a, the control piece 3a is a heat-sensitive metal sheet, the heat-sensitive metal sheet senses the temperature change of the heating atomization component 1a to generate deformation, and the at least one conductive piece 2a and the heating atomization component 1a are automatically disconnected or connected by sensing the heat change, so that the working state of the heating atomization component 1a is controlled.

Referring to fig. 4-5, the heating and atomizing assembly 1a, the conductive member 2a and the control member 3a are schematically illustrated in cooperation, the heating and atomizing assembly 1a includes a tubular liquid guide 11a and a heating body 12a, and a wall surface of an inner cavity of the tubular liquid guide 11a is an atomizing surface. The tubular liquid guide 11a may be a liquid guide cotton or a tubular porous ceramic.

The heating body 12a includes a spiral heating portion 121a and two conductive portions connected to two ends of the spiral heating portion 121a, respectively, the spiral heating portion 121a is disposed on the atomization surface of the tubular conductive liquid 11a, and the two conductive portions extend out of the tubular conductive liquid 121 a.

Preferably, the control member 3a has at least one bent portion 32a, and the bent portion 32a extends into the atomization heating area of the heat-generating atomization assembly 1 a.

Further, the control member 3a is a spring structure, and includes a fixing portion 31a and an abutting portion 33a respectively connected to two ends of the bending portion 32 a.

The fixing portion 121a of the control member 3a is fixedly connected to at least one conductive portion, and the interference portion 33a is detachably connected to at least one conductive member 2a, or the fixing portion 31a is fixedly connected to at least one conductive member 2a, and the interference portion 33a is detachably connected to at least one conductive portion.

Specifically, the conductive portion of the heating body 12a may include a first conductive portion 122a and a second conductive portion 123a, and the conductive member 2a may include a first conductive pillar 21a and a second conductive pillar 22a, where the second conductive pillar 22a is directly connected to the second conductive portion 123a, and a control element 3a is disposed between the first conductive portion 122a and the first conductive pillar 21 a.

Further, the fixing portion 31a of the control member 3a is fixedly connected to the first conductive portion 122a, the abutting portion 33a is detachably connected to the first conductive pillar 21a, and the bending portion 32a extends into the atomization heating area B in the inner cavity of the tubular liquid guiding body 11 a.

Preferably, the control member 3a further includes a first connecting section 34a connecting the fixing portion 31a and the bending portion 32a, and a second connecting section 34a connecting the abutting portion 33a and the bending portion 32a, so that the bending portion 32a can extend into the atomizing heating area B in the inner cavity of the tubular liquid guiding 11a as much as possible. Of course, the structure of the control member 3a can be adjusted according to the requirement, and is not limited in detail here.

In this embodiment, in a normal temperature state (or a low temperature state), the abutting portion 33a of the control element 3a is connected to the first conductive pillar 21a, at this time, the control element 3a is connected in series to the first conductive pillar 21a and the heating body 12a, the bent portion 32a extends into the atomizing heating region B as a main temperature sensing structure, the bent portion 32a senses a temperature change and a difference during atomizing, when the temperature is higher than a temperature critical point of deformation of the control element 3a (thermal sensitive metal sheet), the abutting portion 33a deforms to be away from the first conductive pillar 21a, so that the heating circuit is disconnected, a core pasting condition caused by a high temperature is avoided, when the temperature drops, the abutting portion 33a rebounds to gradually approach the first conductive pillar 21a until contacting with the first conductive pillar 21a, at this time, the heating circuit is connected, and the heating atomizing assembly 1a can continue to operate.

It can be understood that the effect of the on-off of the heating atomization component 1a is achieved through the heat-sensitive characteristic of the heat-sensitive metal sheet, the atomization device can be prevented from being overheated and burnt, and the atomization device has the advantages of being good in applicability, low in cost, stable in control and free of occupying excessive energy.

Third embodiment

In this embodiment, atomizing device includes oil storage storehouse, atomizing installation component, the atomizing subassembly that generates heat 1b, control 3 b.

The oil storage bin is internally provided with an air guide channel and an oil storage cavity for storing atomized liquid, the heating atomization assembly 1b is installed in the atomization installation assembly and contained in the oil storage bin and is connected with the oil storage cavity, and the atomization installation assembly comprises a plurality of conductive pieces 2 b.

The control piece 3a is arranged between the at least one conductive piece 2a and the heating atomization component 1a, the control piece 3b is a thermosensitive metal sheet, the thermosensitive metal sheet senses the temperature change of the heating atomization component 1b to generate deformation, and the at least one conductive piece 2b and the heating atomization component 1b are automatically disconnected or connected by sensing the heat change, so that the working state of the heating atomization component 1b is controlled.

Referring to fig. 6 to 7, the schematic diagrams of the heat generating and atomizing assembly 1b, the conductive member 2b and the control member 3b are shown in cooperation, the heat generating and atomizing assembly 1b includes a cylindrical liquid guiding body 11b and an atomizing heating body 12b, and a circumferential surface of the cylindrical liquid guiding body 11b is an atomizing surface. The columnar liquid guide 11b may be an oil guide rope or an oil guide cotton or porous ceramics.

The atomizing heating body 12b includes a heating wire 121b wound around the circumferential surface of the columnar conductive liquid 11b, and two conductive wires connected to both ends of the heating wire 121b, respectively. The columnar liquid guide 11b has a structure with two convex ends and a concave middle, and the heating wire 121b is mainly wound on the periphery of the concave middle part.

Preferably, the control member 3b has at least one bent portion 32b, and the bent portion 32b extends into the atomization heating region of the heat-generating atomization assembly 1 b.

The control member 3b is a spring structure, and includes a fixing portion 31b and an abutting portion 33b connected to two ends of the bending portion 32 b.

The fixing portion 31b is fixedly connected with at least one conductive wire, and the interference portion 33b is detachably connected with at least one conductive piece 2b, or the fixing portion 31b is fixedly connected with at least one conductive piece 2b, and the interference portion 33b is detachably connected with at least one conductive wire.

Specifically, the conductive wires of the atomizing heating body 12b may include a first conductive wire 122b and a second conductive wire 123b, and the conductive member 2b may include a first conductive pillar 21b and a second conductive pillar 22b, where the second conductive pillar 22b is directly connected to the second conductive wire 123b, and a control member 3b is disposed between the first conductive wire 122b and the first conductive pillar 21 b.

Further, the fixing portion 31b of the control member 3b is fixedly connected to the first conductive portion 122b, the abutting portion 33a is detachably connected to the first conductive pillar 21a, and the bending portion 32b extends into the atomizing heating area below the heating wire 121 b.

In this embodiment, in a normal temperature state (or a low temperature state), the abutting portion 33b of the control member 3b is connected to the first conductive pillar 21b, at this time, the control member 3b is connected in series with the first conductive pillar 21b and the first conductive wire 122b, the bent portion 32b extends into the atomization heating area as a main temperature sensing structure, the bent portion 32b senses a temperature change and a difference during atomization, when the temperature is higher than a temperature critical point of deformation of the control member 3b (a heat sensitive metal sheet), the abutting portion 33b deforms to be away from the first conductive pillar 21b, so that the heating circuit is disconnected, thereby preventing a core paste situation caused by the high temperature, and after the temperature drops, the abutting portion 33b rebounds to gradually approach the first conductive pillar 21b until contacting the first conductive pillar 21b, at this time, the heating circuit is connected, and the heating atomization assembly 1b can continue to operate.

Preferably, the end of at least one conductive filament is provided with a conductive block, the fixing portion 31b is fixedly connected with the conductive block, and the interference portion 33b is detachably connected with at least one conductive member 2b, or the fixing portion 31b is fixedly connected with at least one conductive member 2b, and the interference portion 33b is detachably connected with the conductive block.

Specifically, the end of the first conductive wire 122b is provided with a conductive block 124b, the fixing portion 31b is fixedly connected with the conductive block 124b, the abutting portion 33b is detachably connected with the first conductive pillar 21b, and the bending portion 32b extends into the atomization heating area below the heating wire 121 b.

In this embodiment, in a normal temperature state (or a low temperature state), the abutting portion 33b of the control element 3b is connected to the first conductive pillar 21b, at this time, the control element 3b is connected in series with the first conductive pillar 21b, the conductive block 124b and the first conductive filament 122b, the bent portion 32b extends into the atomization heating area as a main temperature sensing structure, the bent portion 32b senses a temperature change and a difference during atomization, when the temperature is higher than a temperature critical point of deformation of the control element 3b (a heat sensitive metal sheet), the abutting portion 33b deforms to be away from the first conductive pillar 21b, so that the heating circuit is disconnected, thereby avoiding a core paste situation caused by the high temperature, and when the temperature drops, the abutting portion 33b rebounds to gradually approach the first conductive pillar 21b until contacting the first conductive pillar 21b, at this time, the heating circuit is connected, and the heat generation atomization assembly 1b can continue to operate.

It can be understood that the effect of the on-off of the heating atomization component 1b is achieved through the heat-sensitive characteristic of the heat-sensitive metal sheet, the atomization device can be prevented from being overheated and burnt, and the atomization device has the advantages of being good in applicability, low in cost, stable in control and free of occupying redundant energy.

The present application also discloses an aerosol generating device comprising an atomising device and a power supply assembly for providing electrical energy to the atomising device, the atomising device being a device as described in the first, second or third embodiments above.

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims (12)

1. An atomizing device is characterized by comprising an oil storage bin, an atomizing installation component, a heating atomizing component and a control component;

the oil storage bin is internally provided with an air guide channel and an oil storage cavity for storing atomized liquid, and the heating atomization assembly is mounted in the atomization mounting assembly, accommodated in the oil storage bin and connected with the oil storage cavity; the atomization installation component comprises a plurality of conductive pieces;

the control piece is arranged between at least one of the conductive pieces and the heating atomization component, is a thermosensitive metal sheet and senses the temperature change of the heating atomization component to generate deformation, and automatically disconnects or connects at least one of the conductive pieces and the heating atomization component by sensing the heat change so as to control the working state of the heating atomization component.

2. The atomizing device of claim 1, wherein the control member has at least one bend that extends into an atomizing heating region of the heat-generating atomizing assembly.

3. The atomizing device according to claim 2, wherein the control member is a spring structure including a fixing portion and an abutting portion respectively connected to two ends of the bent portion;

the fixing part is fixedly connected with at least one of the conductive pieces or the atomization heating component, and the interference part is detachably connected with the atomization heating component or at least one of the conductive pieces.

4. The atomizing device of claim 3, wherein the spring structure includes a first layer and a second layer connected to each other, the first layer has a thermal expansion coefficient greater than that of the second layer, and the first layer faces the atomizing heat-generating component.

5. The atomizing device according to any one of claims 3 to 4, wherein the heat-generating atomizing assembly includes a porous body and a heat-generating body, the porous body includes a liquid inlet surface and an atomizing surface which are opposite to each other, and the heat-generating body is disposed on the atomizing surface of the porous body;

the fixing part is fixedly connected with the heating body, the interference part is detachably connected with at least one conductive piece, or the fixing part is fixedly connected with at least one conductive piece, and the interference part is detachably connected with the heating body.

6. The atomizing device according to any one of claims 3 to 4, wherein the heat-generating atomizing component comprises a tubular liquid guide body and a heating body, and the wall surface of the inner cavity of the tubular liquid guide body is an atomizing surface;

the heating body comprises a spiral heating part and two conductive parts respectively connected with two ends of the spiral heating part, the spiral heating part is arranged on the atomization surface of the tubular liquid guide body, and the two conductive parts extend out of the tubular liquid guide body;

the fixing part is fixedly connected with at least one of the conductive parts, and the interference part is detachably connected with at least one of the conductive parts, or the fixing part is fixedly connected with at least one of the conductive parts, and the interference part is detachably connected with at least one of the conductive parts.

7. The atomizing device according to any one of claims 3 to 4, wherein the heat-generating atomizing assembly includes a cylindrical liquid-guiding body and an atomizing heating body, the circumferential surface of the cylindrical liquid-guiding body is an atomizing surface, and the atomizing heating body includes a heating wire wound around the circumferential surface of the cylindrical liquid-guiding body and two conductive wires respectively connected to two ends of the heating wire;

the fixing part is fixedly connected with at least one of the conductive wires, and the interference part is detachably connected with at least one of the conductive pieces, or the fixing part is fixedly connected with at least one of the conductive pieces, and the interference part is detachably connected with at least one of the conductive wires.

8. The atomizing device according to claim 7, wherein an end of at least one of the conductive threads is provided with a conductive block;

the fixing part with conducting block fixed connection, conflict portion with at least one but conducting piece separable connection, perhaps, the fixing part with at least one but conducting piece fixed connection, conflict portion with but conducting block separable connection.

9. The atomizing device of claim 5, wherein the atomizing mounting assembly includes a base, a mount disposed on the base and snap-fit to the mount; the heating atomization assembly is clamped between the mounting seat and the base;

the mounting seat comprises a main body part and a nesting part extending downwards from the main body part, wherein a liquid inlet groove is formed in the main body part and is communicated with the oil storage cavity and the heating atomization assembly;

the base comprises a bottom plate, and the bottom plate extends upwards to form oppositely arranged supporting arms; the supporting arm is connected with the nesting part in a buckling manner;

the bottom plate is also provided with the conductive piece.

10. The atomizing device of claim 9, wherein the atomizing mounting assembly further includes a sealing sleeve disposed around at least a portion of an outer periphery of the porous body and disposed around an inner periphery of the nest;

the middle part of the sealing sleeve is provided with a through hole penetrating through the upper surface and the lower surface of the sealing sleeve, and the through hole is matched with the liquid inlet groove to form a liquid guide channel.

11. The atomizing device of claim 10, wherein the atomizing mounting assembly further includes a sleeve body disposed about the outer periphery of the main body portion;

the sleeve body comprises a top wall and a pair of blocking walls which extend downwards from the periphery of the top wall and are arranged oppositely, and the peripheries of the blocking walls are abutted against the inner wall of the oil storage bin;

the top wall is provided with a liquid passing hole penetrating through the upper surface and the lower surface of the top wall, and the liquid passing hole is arranged corresponding to the liquid inlet groove.

12. An aerosol generating device comprising an atomising device and a power supply assembly for supplying electrical power to the atomising device, the atomising device according to any of the previous claims 1 to 11.

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