WO2021077616A1

WO2021077616A1 - Atomizer and electronic cigarette

Info

Publication number: WO2021077616A1
Application number: PCT/CN2019/129900
Authority: WO
Inventors: 黄富荣; 陈潮先
Original assignee: 深圳市你我网络科技有限公司
Priority date: 2019-10-23
Filing date: 2019-12-30
Publication date: 2021-04-29
Also published as: CN110558632A; CN110558632B

Abstract

An atomizer (100), comprising: a housing assembly (1), wherein the housing assembly (1) is provided with an air inlet (3) and an air outlet (4), an atomization cavity (5) and an e-liquid storage bin (6) are formed in the housing assembly (1), and the air inlet (3), the atomization cavity (5), and the air outlet (4) are sequentially connected; and an atomization assembly (2) provided in the atomization cavity (5), wherein the atomization assembly (2) comprises a heating element (201) and an e-liquid guiding element (202), the heating element (201) is fixed on the e-liquid guiding element (202), and the e-liquid storage bin (6) is provided with an e-liquid outlet (601), e-liquid in the e-liquid storage bin (6) can flow toward the e-liquid guiding element (202) by means of the e-liquid outlet (601), and the e-liquid guiding element (202) comprises at least two porous e-liquid guiding layers (2021).

Description

Atomizer and electronic cigarette

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on October 23, 2019. The application number is 201911011406.9 and the invention title is "a kind of atomizer and electronic cigarette". The entire content is incorporated into this application by reference. in.

Technical field

The invention relates to an electronic cigarette, in particular to an atomizer and an electronic cigarette.

Background technique

When cigarettes are burned, harmful gases such as carbon monoxide are produced. With the development of science and technology, an electronic cigarette that atomizes e-liquid into smoke for smokers to ingest. Existing electronic cigarettes generally include an atomizer and a host. The oil guide element of the atomizer is generally cotton or porous ceramic. The advantage of cotton is safety and health; the disadvantage is that it is easy to burn and has a short service life. The advantage of porous ceramics is that it is not easy to burn and has a long service life; the disadvantage is that it is easy to drop powder at high temperature, and the oil locking effect is not good, and it is easy to leak oil. In order to improve the oil-locking effect of porous ceramics, the pores of porous ceramics can be made small, but this will cause slow oil conduction and small amount of smoke. Moreover, the contact area between the heating element and the porous ceramic or cotton is small, so that the atomization area is small and the formation of smoke is small.

Summary of the invention

Based on this, it is necessary to provide an atomizer and electronic cigarette with strong oil locking ability and good atomization effect.

An atomizer, including:

A housing assembly, the housing assembly is provided with an air inlet and an air outlet, an atomization cavity and an oil storage bin are formed inside the housing assembly, and the air inlet, the atomization cavity and the air outlet are connected in sequence;

The atomization assembly is arranged in the atomization cavity, the atomization assembly includes a heating element and an oil guiding element, the heating element is fixed to the oil guiding element, the oil storage bin is provided with an oil outlet, so The e-liquid in the oil storage bin can flow to the oil guiding element through the oil outlet hole, and the oil guiding element includes at least two porous oil guiding layers.

In one of the embodiments, at least one layer of the porous oil-conducting layer is fixed with the heating element.

In one of the embodiments, there are two or more heating elements, and the heating elements are connected in series or/and in parallel with each other.

In one of the embodiments, the heating element is a heating film or a printed circuit.

In one of the embodiments, each of the porous oil-conducting layers is separately formed, and/or each of the porous oil-conducting layers is detachably connected.

In one of the embodiments, the oil guiding element is integrally formed.

In one of the embodiments, an oil-conducting channel is provided between the two adjacent layers of the porous oil-conducting layer, and the e-liquid on the porous oil-conducting layer close to the oil outlet passes through the guide under the action of gravity. The oil channel flows to the porous oil-conducting layer away from the oil outlet hole.

In one of the embodiments, each of the porous oil-conducting layers is formed separately, and the oil-conducting element further includes a support body, and the support body is arranged between two adjacent porous oil-conducting layers so that two adjacent porous oil-conducting layers are formed. The oil guiding channel is formed between the oil guiding layers.

In one of the embodiments, the porous oil-conducting layer includes a supporting portion and an atomizing portion, the supporting portion and the atomizing portion are integrally formed, and the supporting portion provides a gap between the adjacent atomizing portions to form a In the oil guide channel, the heating element is attached to the atomizing part.

In one of the embodiments, the porous oil-conducting layer is partially inserted into the oil outlet or the oil storage bin;

Or the atomization assembly further includes an oil guide body, one end of the oil guide body is in communication with the oil storage bin through the oil outlet hole, and the other end of the oil guide body guides oil to the porous oil guide layer;

Or the oil guiding element is attached to the oil storage bin and covers the oil outlet.

In one of the embodiments, the oil-locking property of the porous oil-conducting layer is enhanced layer by layer in a direction away from the oil outlet hole.

In one of the embodiments, the porosity of the porous oil-conducting layer close to the oil outlet hole is greater than the porosity of the porous oil-conducting layer farther from the oil outlet hole.

In one of the embodiments, the oil guiding element has a block shape, a sheet shape, a pyramid shape, a tube shape, a T shape or an inverted T shape.

In one of the embodiments, the oil guiding element is made of porous glass or porous ceramic.

An electronic cigarette includes a host and the atomizer, and the atomizer and the host are detachably connected.

The details of one or more embodiments of the present invention are set forth in the following drawings and description. Other features, objects and advantages of the present invention will become apparent from the description, drawings and claims.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

Figure 1 is a cross-sectional view of an atomizer in an embodiment;

Figure 2 is a cross-sectional view of the atomizer in another embodiment;

Figure 3 is a cross-sectional view of the atomizer in another embodiment;

Figure 4 is a cross-sectional view of the atomizer in still another embodiment;

Figure 5 is a schematic diagram of a split oil guiding element in an embodiment;

Figure 6 is a schematic diagram of an integral oil guiding element in an embodiment;

Figure 7 is a schematic diagram of a support in an embodiment;

Fig. 8 is a schematic diagram of an electronic cigarette in an embodiment.

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be more fully described below with reference to the relevant drawings. The preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or a central element may also be present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or an intermediate element may be present at the same time. The terms "inner", "outer", "left", "right" and similar expressions used herein are for illustrative purposes only, and do not mean that they are the only embodiments.

As shown in Figures 1-4, the atomizer 100 includes a housing assembly 1 and an atomization assembly 2. The housing assembly 1 is provided with an air inlet 3, an air outlet 4, and an atomization cavity 5 and a storage chamber located inside the housing assembly 1. The oil bin 6, the atomization cavity 5 and the oil storage bin 6 can be formed by other parts or directly formed by the housing assembly 1. Here, the atomization cavity 5 and the oil storage bin 6 are directly formed by the housing assembly 1. Take for example. The air inlet 3, the atomization cavity 5 and the air outlet 4 are connected in sequence. The atomization assembly 2 is arranged in the atomization cavity 5. The atomization assembly 2 includes a heating element 201 and an oil guiding element 202. The heating element 201 is fixed to the oil guiding element 202. The oil storage tank 6 is provided with an oil outlet 601. The oil storage tank The e-liquid in 6 can flow through the oil outlet 601 to the oil guiding element 202; the oil guiding element 202 includes two or more porous oil guiding layers 2021. The oil-conducting element 202 includes two or more porous oil-conducting layers 2021. The e-liquid that cannot be absorbed by the porous oil-conducting layer 2021 close to the oil outlet 601 can flow to the porous oil-conducting layer 2021 far away from the oil outlet 601, thereby enhancing the oil-conducting element 202 The oil lock capacity.

The heating element 201 is a heating film or a printed circuit. The oil guiding element 202 is made of porous glass or porous ceramic, and the oil guiding element 202 is in a block shape, a sheet shape, a pyramid shape, a tube shape, a T shape or an inverted T shape. One or more porous oil-conducting layers 2021 are fixed with heating elements 201. In one embodiment, only one layer of porous oil-conducting layer 2021 is fixed with heating element 201: when the oil-conducting element 202 is tubular, the heating element 201 can be arranged in the innermost porous oil-conducting layer 2021, and the heat can be radiated outwards, so that The e-liquid on the adjacent layer is also atomized, increasing the atomization area; when the oil guiding element 202 is non-tubular, the heating element 201 can be located in the porous oil guiding layer 2021, which is the farthest from the oil outlet 601. The e-liquid on the porous oil-conducting layer 2021 farthest from the oil hole 601 is atomized, which can prevent the e-liquid from leaking into the atomizer.

In another embodiment, each porous oil-conducting layer 2021 is provided with a heating element 201, and each porous oil-conducting layer 2021 can atomize the e-liquid, which increases the atomization area. Each heating element 201 is connected in parallel with each other. According to the different working stages of the atomizer, the heating power of each heating element 201 can be different. For example, when starting to use the atomizer, in order to evaporate the condensate in the atomizer, all heating The element 201 can work at maximum power; when the condensate is reduced, because the smoke oil on the porous oil-conducting layer 2021 close to the oil outlet 601 is more than that on the porous oil-conducting layer 2021 far away from the oil outlet 601, it is far away from the oil outlet. The power of the heating element 201 of the porous oil conducting layer 2021 of the oil hole 601 may be lower than the power of the heating element 201 of the porous oil conducting layer 2021 close to the oil outlet 601. Of course, after several heating elements 201 are connected in series, they can be connected in parallel. Or the heating elements 201 are connected in series with each other. In one embodiment, as shown in FIG. 6, the oil guiding element 202 is integrally formed. In other embodiments, as shown in FIG. 5, each porous oil-conducting layer 2021 is separately formed, and/or the porous oil-conducting layers 2021 are detachably connected. Each porous oil-conducting layer 2021 is set as a detachable connection. When a certain porous oil-conducting layer 2021 is damaged, it can be replaced separately, which is more economical.

An oil guiding channel 203 is provided between two adjacent porous oil guiding layers 2021. The smoke oil on the porous oil guiding layer 2021 close to the oil outlet 601 flows under the action of gravity through the oil guiding channel 203 to the porous guiding away from the oil outlet 601. Oil layer 2021. If the e-liquid on the porous oil-conducting layer 2021 close to the oil outlet 601 fails to be atomized in time, it can flow to the porous oil-conducting layer 2021 far away from the oil outlet 601 for atomization under the action of gravity. The arrangement of the multi-layer porous oil-conducting layer 2021, on the one hand, increases the atomization area, and on the other hand, it also prevents the porous oil-conducting layer 2021 close to the oil outlet 601 from conducting oil too fast, causing e-liquid to leak into the atomizer and enhance The oil locking ability of the oil guide element 202 is improved.

The first setting method of the oil guide channel 203: As shown in Figure 1-3, when each porous oil guide layer 2021 is separately formed, the atomization assembly 2 also includes a support body 2022, and the support body 2022 is arranged between two adjacent porous oil guide layers 2021 In between, an oil guiding channel 203 is formed between two adjacent porous oil guiding layers 2021, and the support body 2022 may be made of glass or ceramic. As shown in conjunction with FIGS. 1, 2 and 5, when the oil guiding element 202 is in a sheet shape or a block shape, the support body 2022 is in a sheet shape or a block shape.

As shown in Figures 3 and 7, when the oil guiding element 202 is tubular, the atomizer 100 is placed upright and upside down, and the smoke oil on the porous oil guiding layer 2021 close to the oil outlet 601 can flow to the porous oil outlet 601 far away. On the oil guiding layer 2021, avoid oil leakage when the atomizer 100 is inverted. The heating element 201 may be covered with the tubular oil-conducting layer 2021, or may be distributed only in the part below the horizontal centerline.

Specifically, the support body 2022 includes a tubular partition portion 20221 and a plate-shaped end cover portion 20222, and the partition portion 20221 and the end cover portion 20222 are integrally formed. The partition 20221 is disposed between two adjacent porous oil-conducting layers 2021, so that an oil-conducting channel 203 is formed between two adjacent porous oil-conducting layers 2021. The end cap portions 20222 are provided at both ends of the porous oil-conducting layer 20111. The end cover portion 20222 is provided with oil guide holes 20223 so that the smoke oil in the oil storage bin 6 can flow to the porous oil guide layers 2021 through the oil guide holes 20223.

It should be noted that when the oil guiding element 202 has a tubular shape, the support body 2022 may also have a sheet shape or a block shape.

The second setting method of the oil guide channel 203: As shown in Figure 4, the porous oil guide layer 2021 includes a supporting portion 20211 and an atomizing portion 20112. The supporting portion 20211 and the atomizing portion 20112 are integrally formed, and the supporting portion 20211 is bent relative to the atomizing portion 20112 It is arranged so that there is a gap between two adjacent atomization portions 20112 to form an oil guide channel 203; the heating element 201 is attached to the atomization portion 20112.

The oil storage tank 6 guides the oil to the oil guide element 202 in the following ways:

The first way: as shown in Figure 1, the housing assembly 1 includes a housing body 101 and a base 102. The housing body 101 forms an oil storage tank 6, and the side wall of the housing body 101 is provided with an oil injection hole 101a, and the oil injection hole 101a and The oil storage bin 6 is connected, and an oil filling plug 105 is arranged at the oil filling hole 101a. The filling plug 105 is made of silica gel and can seal the oil filling hole 101a. The inner wall of the casing body 101 is provided with a positioning boss 106, the base 102 is sealed at one end of the casing body 101, and the oil guiding element 202 is clamped and fixed by the positioning boss 106 and the base 102. The atomizing assembly 2 further includes an oil guiding body 204, and the oil guiding body 204 can guide the smoke oil in the oil storage bin 6 into the porous oil guiding layer 2021 through the oil outlet 601. The oil guide 204 may be made of cotton or fiber.

The second way: As shown in Figure 4, the housing assembly 1 includes a housing body 101 and a base 102. The housing body 101 forms an oil storage bin 6, and the side wall of the housing body 101 is provided with an oil injection hole 101a, and the oil injection hole 101a and The oil storage bin 6 is connected, and an oil filling plug 105 is arranged at the oil filling hole 101a. The filling plug 105 is made of silica gel and can seal the oil filling hole 101a. The base 102 is sealed at one end of the casing body 101, so that the oil guiding element 202 is clamped and fixed by the oil storage bin 6 and the base 102, and the oil guiding element 202 covers the oil outlet 601, and the smoke oil can flow directly through the oil outlet 601 To the oil guide element 202.

The third way: the oil guiding element 202 is partially inserted into the oil outlet 601 or the oil storage bin 6. As shown in Figure 2, the housing assembly 1 includes a housing body 101 and a base 102. The base 102 includes an oil guide seat 1021 and an atomization seat 1022. The oil guide seat 1021 blocks one end of the oil storage tank 6, and the atomization seat 1022 blocks the shell. One end of the body 101. The oil guiding element 202 is arranged between the oil guiding seat 1021 and the atomizing seat 1022, and the porous oil guiding layer 2021 close to the oil outlet 601 is clamped and fixed by the oil guiding seat 1021 and the atomizing seat 1022. The oil guide seat 1021 is provided with an oil outlet hole 601, and the oil guide element 202 is partially inserted into the oil outlet hole 601. Further, the oil guide seat 1021 and the atomization seat 1022 are made of silica gel, and a silicone sealing ring 205 is arranged between the oil guide seat 1021 and the atomization seat 1022 and the housing body 101 to prevent the e-liquid from leaking from the oil storage bin 6.

As shown in FIG. 3, the housing assembly 1 includes a housing body 101 and a base 102, the base 102 is sealed at one end of the housing body 101, and an oil storage tank 6 and an atomization cavity 5 are formed between the housing body 101 and the base 102. The oil guiding element 202 is clamped and fixed by the housing body 101 and the atomizing seat 1022. The oil guiding element 202 is partially inserted into the oil storage bin 6 through the oil outlet hole 601, and the smoke oil can flow from the oil guiding hole 20223 to the porous oil guiding layer 2021.

The atomizing assembly 2 further includes electrode columns 206, which are electrically connected to the heating element 201 and the conductive columns of the host, respectively.

The oil-locking property of the porous oil-conducting layer 2021 in the direction away from the oil outlet 601 increases layer by layer. Of course, there may be more than every other layer, and the porous oil-conducting layer 2021 increases the oil-locking property layer by layer in the direction away from the oil outlet hole. The ways to enhance the oil-locking property of the porous oil-conducting layer are:

The first type: the porosity of the porous oil conducting layer 2021 close to the oil outlet hole 601 is greater than the porosity of the porous oil conducting layer 2021 far from the oil outlet hole 601. Porosity is the ratio of the volume of pores in a porous object to the volume of the entire object.

The second type: the porous oil conducting layer 2021 close to the oil outlet hole 601 has larger pores than the porous oil conducting layer 2021 far away from the oil outlet hole 601.

As shown in Fig. 8, an electronic cigarette includes an atomizer 100 and a host 200. The atomizer 100 and the host 200 are detachably connected, such as by a snap connection. The specific structure of the atomizer 100 refers to the above-mentioned embodiments. Since the electronic cigarette adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, and will not be here one by one. Go into details.

The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, All should be considered as the scope of this specification.

The above-mentioned embodiments only express several embodiments of the present invention, and the descriptions are relatively specific and detailed, but they should not be understood as limiting the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

An atomizer, characterized in that it comprises:

A housing assembly, the housing assembly is provided with an air inlet and an air outlet, an atomization cavity and an oil storage bin are formed inside the housing assembly, and the air inlet, the atomization cavity and the air outlet are connected in sequence;

The atomization assembly is arranged in the atomization cavity, the atomization assembly includes a heating element and an oil guiding element, the heating element is fixed to the oil guiding element, the oil storage bin is provided with an oil outlet, so The e-liquid in the oil storage bin can flow to the oil guiding element through the oil outlet hole, and the oil guiding element includes at least two porous oil guiding layers.
The atomizer according to claim 1, wherein at least one layer of the porous oil-conducting layer is fixed with the heating element.
The atomizer according to claim 2, wherein there are two or more heating elements, and the heating elements are connected in series or/and in parallel with each other.
The atomizer according to claim 2, wherein the heating element is a heating film or a printed circuit.
The atomizer according to claim 1, wherein each of the porous oil-conducting layers is formed separately, and/or each of the porous oil-conducting layers is detachably connected.
The atomizer according to claim 1, wherein the oil guiding element is integrally formed.
The atomizer according to claim 1, characterized in that an oil-conducting channel is provided between two adjacent layers of the porous oil-conducting layer, and the smoke on the porous oil-conducting layer close to the oil outlet Under the action of gravity, the oil flows through the oil guiding channel to the porous oil guiding layer far away from the oil outlet.
The atomizer according to claim 7, wherein each of the porous oil-conducting layers is formed separately, and the oil-conducting element further includes a support body, and the support body is arranged on two adjacent porous oil-conducting layers. Between the two adjacent porous oil-conducting layers to form the oil-conducting channel.
The atomizer according to claim 7, wherein the porous oil-conducting layer comprises a supporting part and an atomizing part, the supporting part and the atomizing part are integrally formed, and the supporting part makes the adjacent There is a gap between the atomizing parts to form the oil guide channel, and the heating element is attached to the atomizing part.
The atomizer according to claim 1, wherein the porous oil-conducting layer is partially inserted in the oil outlet or the oil storage bin;

Or the atomization assembly further includes an oil guide body, one end of the oil guide body is in communication with the oil storage bin through the oil outlet hole, and the other end of the oil guide body guides oil to the porous oil guide layer;

Or the oil guiding element is attached to the oil storage bin and covers the oil outlet.
The atomizer according to any one of claims 1-10, wherein the porous oil-conducting layer has an oil-locking property that is enhanced layer by layer in a direction away from the oil outlet hole.
The atomizer according to claim 11, wherein the porosity of the porous oil-conducting layer close to the oil outlet hole is larger than the porosity of the porous oil-conducting layer farther from the oil outlet hole.
The atomizer according to any one of claims 1-10, wherein the oil guiding element is in a block shape, a sheet shape, a pyramid shape, a tube shape, a T shape or an inverted T shape.
The atomizer according to any one of claims 1-10, wherein the oil guiding element is made of porous glass or porous ceramic.
An electronic cigarette, characterized in that it comprises a host and the atomizer according to any one of claims 1 to 14, and the atomizer and the host are detachably connected.