WO2024036878A1

WO2024036878A1 - Atomization core and atomizer

Info

Publication number: WO2024036878A1
Application number: PCT/CN2023/070834
Authority: WO
Inventors: 丁桐桐; 陈杰; 陈跃勇; 孟繁轲; 安鹏展; 赵贯云; 赵波洋
Original assignee: 深圳市吉迩科技有限公司
Priority date: 2022-08-15
Filing date: 2023-01-06
Publication date: 2024-02-22
Also published as: CN115191659A

Abstract

An atomization core and an atomizer, relating to the technical field of atomizers. The atomization core comprises: a porous liquid guiding body (100) and a porous metal (200) provided in the porous liquid guiding body (100). A mounting space is provided in the middle portion of the porous liquid guiding body (100) in the height direction. The upper surface of the porous liquid guiding body (100) is provided with an air passage hole (101) which passes through vertically, the upper surface of the porous liquid guiding body (100) is provided with liquid guiding slots (102) which communicate with the mounting space, and the lower surface of the porous liquid guiding body (100) is provided with an atomization hole (103) which communicates with the mounting space. The porous metal (200) is of a sheet-like shape and is provided in the mounting space of the porous liquid guiding body (100), the porous metal (200) is provided with an air passage via hole (201) matched with the air passage hole (101), and part of the porous metal (200) is exposed from the atomization hole (103). The atomization core has the advantages of high liquid guiding speed, high atomization efficiency and small size.

Description

Atomizer core and atomizer

Technical field

The invention relates to the technical field of atomizers, and in particular to an atomizer core and an atomizer.

Background technique

An atomizer is an atomizer powered by a rechargeable lithium polymer battery. It generates "vapor" by heating the liquid matrix in the oil tank for the user to smoke. It has an appearance, smoke, taste and feel similar to that of cigarettes.

As people become more health-conscious, they begin to realize the harmful effects of tobacco on health. Since the liquid matrix does not contain smoke tar, the harm of the vaporized liquid matrix to the human body is reduced. Therefore, atomization devices are widely used and gradually replace tobacco cigarettes.

In the atomization device, the atomization core is one of its core components. The atomization core is mainly used to absorb the liquid matrix from the liquid storage chamber, and then heat and atomize the absorbed liquid matrix. However, the existing atomizing core has a slow liquid conduction speed, which will affect the atomization efficiency and needs to be improved urgently.

Contents of the invention

The purpose of the present invention is to provide an atomizing core and an atomizer that have the advantages of fast liquid conduction speed, high atomization efficiency, and small size in view of the defects and deficiencies of the existing technology.

In order to achieve the above object, the technical solution adopted by the present invention is: an atomization core, including: a porous liquid conductor and a porous metal arranged in the porous liquid conductor;

The middle part of the porous liquid-conducting liquid guide is provided with an installation space along the height direction. The upper surface of the porous liquid-conducting liquid guide is provided with an air channel hole that passes up and down. A liquid tank, the lower surface of the porous liquid-conducting liquid tank is provided with an atomization hole that communicates with the installation space;

The porous metal is in the shape of a sheet and is disposed in the installation space of the porous liquid conductor. The porous metal is provided with air passage holes that match the air passage holes. Part of the porous metal passes through the atomization hole. exposed.

The present invention further provides that the airway hole is arranged in the middle of the upper surface of the porous liquid-conducting device.

The present invention further provides that there are two liquid guide grooves, which are distributed on the left and right sides of the airway hole.

The present invention further provides that the left and right ends of the lower surface of the porous liquid-conducting liquid are each provided with two conductive holes penetrating the installation space; the left and right ends of the porous metal are corresponding to the positions above the conductive holes. electrode at.

The present invention further provides that the lower side of the porous liquid-conducting plate includes: a front baffle, a rear baffle, a middle baffle connected between the front baffle and the rear baffle, and a middle baffle from the middle baffle. The left baffle extends to the left from the left side, and the right baffle extends to the right from the right side of the middle baffle; the airway hole penetrates the middle baffle; the left side of the left baffle is the conductive hole, and the right side of the right baffle is another conductive hole; the front baffle, the rear baffle, the middle baffle, the left baffle and the right baffle The hollow space between the plates is the atomization hole.

The present invention further provides that the middle baffle is in the shape of a disc, the left baffle and the right baffle are both in the shape of a strip, the front baffle and the rear baffle are both in the shape of [, and the openings are End relative settings.

The present invention further provides that the porous metal is arranged symmetrically left and right, up and down, and front and back.

The present invention further provides that the porous metal includes: a circular sheet body, a plurality of prismatic sheet bodies disposed on the left and right sides of the disc body, and the electrodes disposed outside the prismatic sheet body; The circular sheet body is provided with the airway through hole; the prismatic sheet body is provided with a hole body.

The invention further provides that there are four prismatic pieces, two of which are located on the left and right sides of the circular piece.

The present invention further provides that the hole body on the prismatic sheet body is a prismatic hole body.

The present invention further provides that the shape of the prismatic hole body is similar to the shape of the prismatic sheet body.

The present invention further provides that the prismatic hole body occupies more than half of the area of the prismatic sheet body.

The present invention further provides that the shape of the airway through hole is similar to the shape of the circular sheet body.

The present invention further provides that the air passage is through-hole and occupies more than half of the area of the circular sheet body.

The present invention further provides that the upper surface and/or lower surface of the porous metal is covered with a coating.

The invention further provides that the coating completely covers or partially covers the porous metal.

The present invention further provides that the porous metal has a multi-layer structure.

In order to achieve the above object, another technical solution adopted by the present invention is: an atomizer including the above-mentioned atomizing core.

After adopting the above technical solution, the beneficial effects of the present invention are:

In the present invention, a porous liquid guide is used, and the porous metal is arranged in the installation space of the porous liquid guide. Since the porous liquid guide contains pores, according to the principle of capillary pores, it can absorb without leaking, ensuring that the liquid in the liquid storage cavity is The substrate can smoothly flow from the porous liquid-conducting liquid to the porous metal, and the porous metal can heat and atomize these liquid substrates; by providing a liquid-conducting groove on the upper surface of the porous liquid-conducting liquid that communicates with the installation space, the passage of the liquid substrate is accelerated. The speed of porous liquid conduction is conducive to the porous metal heating and atomizing the liquid matrix; in addition, the porous metal is in a sheet shape, which effectively reduces the volume of the entire atomization core.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. 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 exerting any creative effort.

Figure 1 is the front view of the atomizer core;

Figure 2 is a top view of the atomizer core;

Figure 3 is a bottom view of the atomizing core;

Figure 4 is a schematic structural diagram of porous metal;

Figure 5a is a schematic structural diagram of the coating on the lower side of porous metal;

Figure 5b is a schematic structural diagram of the upper side coating of porous metal;

Figure 5c is a schematic structural diagram of a porous metal double-sided coating;

Figure 5d is a schematic structural diagram in which the porous metal is a multi-layer heating element and is not coated;

Figure 6a is a schematic structural diagram of the porous metal completely covered by the coating;

Figure 6b is a schematic structural diagram of the porous metal partially covered by the coating.

Explanation of reference signs: 100. Porous liquid conduction; 101. Airway hole; 102. Liquid conduction groove; 103. Atomization hole; 104. Conductive hole; 105. Front baffle; 106. Rear baffle; 107. Middle baffle plate; 108, left baffle; 109, right baffle;

200. Porous metal; 201. Airway via hole; 202. Electrode; 203. Circular sheet body; 204. Prismatic sheet body; 205. Hole body; 206. Coating.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings.

This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment without creative contribution as needed after reading this specification. However, as long as the rights of the present invention are All requirements are protected by patent law.

This embodiment relates to an atomizer core, please refer to FIGS. 1 to 4 , including: a porous liquid conductor 100 and a porous metal 200 disposed in the porous liquid conductor 100 .

Among them, an installation space is provided in the middle of the porous liquid-conducting liquid 100 along the height direction for placing the porous metal 200 . The upper surface of the porous liquid-conducting 100 is provided with an air channel hole 101 that penetrates up and down. The upper surface of the porous liquid-conducting 100 is provided with a liquid-conducting groove 102 that communicates with the installation space. Through the atomization hole 103. Specifically, in this embodiment, the airway hole 101 is disposed in the middle of the upper surface of the porous liquid-conducting groove 100 , and there are two liquid-conducting grooves 102 distributed on the left and right sides of the airway hole 101 .

Among them, the porous metal 200 is in a sheet shape. The porous metal 200 is provided with an airway through hole 201 that matches the airway hole 101 , and part of the porous metal 200 is exposed from the atomization hole 103 . The surface where the atomization hole 103 is located is the atomization surface of the atomization core. The surface where the liquid guide groove 102 is located is the liquid guide surface of the atomizer core.

The porous liquid-conducting device 100 is used, and the porous metal 200 is located in the installation space of the porous liquid-conducting device 100. Since the porous liquid-conducting device 100 contains pores, according to the principle of capillary pores, it can absorb without leaking, ensuring the liquid matrix in the liquid storage chamber. It can smoothly flow from the porous liquid conductor 100 to the porous metal 200, and then the porous metal 200 can heat and atomize these liquid substrates; by providing a liquid guide groove 102 on the upper surface of the porous liquid conductor 100 that communicates with the installation space, the liquid conductor 100 can be accelerated. The porous metal 200 is advantageous for heating and atomizing the liquid substrate by using the speed of the porous liquid conductor 100 in the liquid substrate; in addition, the porous metal 200 is in a sheet shape, which effectively reduces the volume of the entire atomization core.

Referring to Figures 3 and 4, the left and right ends of the lower surface of the porous conductive liquid 100 are each provided with two conductive holes 104 that penetrate the installation space; the left and right ends of the porous metal 200 are located above the conductive holes 104. electrode 202. With such a structural arrangement, the external electrode 202 column can be plugged into the lower side of the electrode 202 through the conductive hole 104 to complete conduction, which is very convenient. Most traditional atomizer cores are connected through additional wires and need to be wound, such as the Chinese invention patent with announcement number CN203523811U.

Please refer to Figure 3. In this embodiment, the lower side of the porous liquid-conducting plate 100 includes: a front baffle 105, a rear baffle 106, a middle baffle 107 connected between the front baffle 105 and the rear baffle 106, from A left baffle 108 extends from the left side of the middle baffle 107 to the left, and a right baffle 109 extends from the right side of the middle baffle 107 to the right. The airway hole 101 penetrates through the middle baffle 107 . The left side of the left baffle 108 is a conductive hole 104, and the right side of the right baffle 109 is another conductive hole 104. The lower side of the porous liquid-conducting liquid 100 adopts this specific structure, which ensures a certain stiffness and plays a supporting role for the porous metal 200 . The hollow between the front baffle 105, the rear baffle 106, the middle baffle 107, the left baffle 108 and the right baffle 109 is the atomization hole 103, and the lower side of the porous liquid conductor 100 has less obstruction to the porous metal 200. , making the actual atomization surface of the porous metal 200 larger.

More specifically, the middle baffle 107 is in the shape of a disk, the left baffle 108 and the right baffle 109 are both in the shape of strips, the front baffle 105 and the rear baffle 106 are both in the shape of [, and the open ends are arranged oppositely. In other embodiments, the lower side of the porous liquid-conducting liquid 100 can also adopt other specific structural arrangements, as long as a sufficient area of the atomization hole 103 is left.

Please refer to FIG. 4 . In this embodiment, the porous metal 200 is arranged symmetrically left and right, up and down, and front and back. Specifically, the porous metal 200 includes: a circular sheet 203, a plurality of prismatic sheets 204 disposed on the left and right sides of the disc, and electrodes 202 disposed outside the prismatic sheets 204. The circular sheet body 203 is provided with an airway through hole 201; the prismatic sheet body 204 is provided with a hole body 205. More specifically, there are four prismatic pieces 204 and two on each side of the circular piece 203 . The holes 205 on the prismatic sheet 204 are prismatic holes 205 . The shape of the airway via hole 201 is similar to that of the circular sheet body 203, and accounts for more than half of the area of the circular sheet body 203. The shape of the prismatic hole body 205 is similar to that of the prismatic sheet body 204, and accounts for half of the prismatic sheet body 204. area above. As a result, the porous metal 200 is designed in a linear shape to ensure uniform temperature distribution during heating and high heat flux density to ensure the particle size distribution of atomized particles.

Please refer to FIGS. 5 a and 6 a. In this embodiment, the lower surface of the porous metal 200 is covered with the coating 206 , and the coating 206 completely covers the lower surface of the porous metal 200 .

In other embodiments, as shown in Figure 5b, the porous metal 200 can also be covered with a coating 206 on the lower surface; as shown in Figure 5c, the porous metal 200 can also be covered with the coating 206 on both sides. In addition, as shown in Figure 6a, the coating 206 can either completely cover the porous metal 200, as shown in Figure 6b, or partially cover the porous metal 200. In addition, as shown in Figure 5d, the porous metal 200 can also be a multi-layer structure and is not a coating 206.

This embodiment also provides an atomizer, including the above-mentioned atomizing core. The atomization core is used to draw the liquid matrix from the liquid storage chamber and heat it for atomization.

The above is only used to illustrate the technical solution of the present invention without limiting it. Other modifications or equivalent substitutions made by those of ordinary skill in the art to the technical solution of the present invention shall be covered as long as they do not deviate from the spirit and scope of the technical solution of the present invention. within the scope of the claims of the present invention.

Claims

An atomization core, characterized by comprising: a porous liquid-conducting (100) and a porous metal (200) disposed in the porous liquid-conducting (100);

The porous liquid-conducting (100) is provided with an installation space in the middle along the height direction. The upper surface of the porous liquid-conducting (100) is provided with an air channel hole (101) that penetrates up and down. The porous liquid-conducting (100) is provided with an installation space. The upper surface is provided with a liquid guide groove (102) that communicates with the installation space, and the lower surface of the porous liquid guide (100) is provided with an atomization hole (103) that communicates with the installation space;

The porous metal (200) is in the form of a sheet and is arranged in the installation space of the porous liquid-conducting (100). The porous metal (200) is provided with an air channel that matches the air channel hole (101). Through hole (201), part of the porous metal (200) is exposed from the atomization hole (103).
The atomizing core according to claim 1, characterized in that the air channel hole (101) is provided in the middle of the upper surface of the porous liquid-conducting body (100).
The atomizing core according to claim 2, characterized in that there are two liquid guide grooves (102), which are distributed on the left and right sides of the air channel hole (101).
The atomization core according to claim 1, characterized in that, two conductive holes (104) penetrating the installation space are provided at both left and right ends of the lower surface of the porous liquid-conducting liquid (100); The left and right ends of the porous metal (200) are electrodes (202) corresponding to the positions above the conductive holes (104).
The atomization core according to claim 1, characterized in that the lower side of the porous liquid-conducting plate (100) includes: a front baffle (105) and a rear baffle (106) connected to the front baffle (105). 105) and the rear baffle (106), the left baffle (108) extending from the left side of the middle baffle (107), and the left baffle (108) extending from the left side of the middle baffle (107). The right baffle (109) extends to the right from the right side of the plate (107); the airway hole (101) penetrates the middle baffle (107); the left side of the left baffle (108) is The conductive hole (104), the right side of the right baffle (109) is another conductive hole (104); the front baffle (105), the rear baffle (106), the The hollow space between the middle baffle (107), the left baffle (108) and the right baffle (109) is the atomization hole (103).
The atomization core according to claim 5, characterized in that the middle baffle (107) is in the shape of a disc, and the left baffle (108) and the right baffle (109) are in the shape of a strip. , the front baffle (105) and the rear baffle (106) are both [-shaped, and the open ends are arranged oppositely.
The atomization core according to claim 1, characterized in that the porous metal (200) is arranged symmetrically left and right, up and down, and front and back.
The atomization core according to claim 6, characterized in that the porous metal (200) includes: a circular sheet body (203), and a plurality of prismatic sheet bodies (203) arranged on the left and right sides of the circular sheet body ( 204), and the electrode (202) arranged outside the prismatic sheet body (204); the airway through hole (201) is provided on the circular sheet body (203); the prismatic sheet body (203) The sheet body (204) is provided with a hole body (205).
The atomization core according to claim 8, characterized in that there are four prismatic sheet bodies (204), two of which are located on the left and right sides of the circular sheet body (203).
The atomizing core according to claim 8, characterized in that the hole body (205) on the prismatic sheet body (204) is a prismatic hole body.
The atomizing core according to claim 10, characterized in that the shape of the prismatic hole body is similar to the shape of the prismatic sheet body (204).
The atomization core according to claim 11, characterized in that the prismatic hole body occupies more than half of the area of the prismatic sheet body (204).
The atomization core according to claim 8, characterized in that the shape of the air passage through hole (201) is similar to the shape of the circular sheet body (203).
The atomizer core according to claim 13, characterized in that the air passage hole (201) occupies more than half of the area of the circular sheet body (203).
The atomization core according to claim 1, characterized in that the upper surface and/or lower surface of the porous metal (200) is covered with a coating (206).
The atomization core according to claim 15, characterized in that the coating (206) completely covers or partially covers the porous metal (200).
The atomization core according to claim 1, characterized in that the porous metal (200) has a multi-layer structure.
An atomizer, characterized by comprising the atomizing core as claimed in claim 1.
The atomizer according to claim 1, wherein the left and right ends of the lower surface of the porous liquid-conducting liquid (100) are each provided with two conductive holes (104) that penetrate the installation space; The left and right ends of the porous metal (200) are electrodes (202) corresponding to the positions above the conductive holes (104).
The atomizer according to claim 1, characterized in that the lower side of the porous liquid-conducting plate (100) includes: a front baffle (105) and a rear baffle (106) connected to the front baffle (105). 105) and the rear baffle (106), the left baffle (108) extending from the left side of the middle baffle (107), and the left baffle (108) extending from the left side of the middle baffle (107). The right baffle (109) extends to the right from the right side of the plate (107); the airway hole (101) penetrates the middle baffle (107); the left side of the left baffle (108) is The conductive hole (104), the right side of the right baffle (109) is another conductive hole (104); the front baffle (105), the rear baffle (106), the The hollow space between the middle baffle (107), the left baffle (108) and the right baffle (109) is the atomization hole (103).