WO2022121611A1

WO2022121611A1 - Electronic atomization device and atomizer thereof

Info

Publication number: WO2022121611A1
Application number: PCT/CN2021/129907
Authority: WO
Inventors: 陈平
Original assignee: 深圳市华诚达精密工业有限公司
Priority date: 2020-12-08
Filing date: 2021-11-10
Publication date: 2022-06-16
Also published as: CN112493546A

Abstract

An electronic atomization device and an atomizer thereof, the atomizer comprising a casing (1) having a liquid storage cavity (10) formed in the interior thereof, and an atomization assembly (2) provided in the casing (1); the atomizing assembly (2) comprises a base (24), a liquid guide body (22) which is provided on the base (24), a heating body (23) which is provided on the liquid guide body (22), and a sealing member (21) which is sleeved above the liquid guide body (22). The liquid guide body (22) is provided with a liquid suction surface (221) which communicates with a guide liquid of the liquid storage cavity (10), and an atomization surface (222) for mounting the heating body (23). The direction of air flow flowing through the atomization surface (222) is parallel to the atomization surface (222), so that atomization is more sufficient. The atomizer has a simple structure and few assembly parts, which reduces materials and process costs.

Description

Electronic atomization device and atomizer thereof

technical field

The invention relates to the field of atomization, and more particularly, to an electronic atomization device and an atomizer thereof.

Background technique

Existing products for heating and atomizing liquid substrates, such as electronic cigarettes, usually have complex structures. In addition, the atomization surface of the atomization component is usually perpendicular to the airflow direction, which easily leads to insufficient atomization.

technical problem

The technical problem to be solved by the present invention is to provide an improved atomizer and an electronic atomization device having the same in view of the above-mentioned defects of the prior art.

technical solutions

The technical solution adopted by the present invention to solve the technical problem is to construct an atomizer, which includes a casing with a liquid storage cavity formed therein and an atomization assembly disposed in the casing, and the atomization assembly includes a base , a liquid guide disposed on the base, a heating element disposed on the liquid guide, and a sealing member sleeved above the liquid guide; the liquid guide has a suction communication with the liquid storage cavity. The liquid surface and the atomizing surface for installing the heating element, and the direction of the airflow flowing through the atomizing surface is parallel to the atomizing surface.

In some embodiments, the atomizing assembly further includes two electrode pins respectively connected to both ends of the heating body and two electrode posts arranged on the base, the two electrode posts are respectively connected to the two electrode posts. The electrode pin contacts are turned on.

In some embodiments, the two electrode pins are disposed on the bottom surface of the liquid conducting liquid and are perpendicular to the atomizing surface.

In some embodiments, the base is embedded in the bottom of the casing, and an atomization cavity is formed between the atomization surface and the inner wall surface of the base.

In some embodiments, the base is longitudinally formed with an air intake hole that communicates the atomization chamber with the outside world.

In some embodiments, the bottom wall of the base extends upward to form a boss, and the boss is formed with at least one ventilation hole communicated with the air inlet hole.

In some embodiments, at least one receiving groove is concavely formed on the upper end surface of the bottom wall of the base, and the liquid guide includes at least one extending portion extending into the at least one receiving groove.

In some embodiments, at least one ring of annular protrusions is formed on the outer ring of the seal, and the at least one ring of annular protrusions is in interference fit with the inner wall surface of the housing.

In some embodiments, the sealing member is tightly sleeved above the liquid conducting liquid and the base.

In some embodiments, the liquid guide includes a plate-shaped body portion, and one side surface of the body portion forms the atomization surface.

In some embodiments, the liquid guide further includes a liquid absorbing portion located at an upper portion of the body portion and perpendicular to the body portion, and a top surface of the liquid absorbing portion forms the liquid absorbing surface.

In some embodiments, the liquid suction part is provided with an air outlet hole along the longitudinal direction.

In some embodiments, another side surface of the body portion opposite to the atomizing surface forms the liquid absorbing surface.

In some embodiments, an air outlet channel is formed in the casing along the longitudinal direction, and the extension direction of the air outlet channel is parallel to the atomization surface.

In some embodiments, the lower end of the outlet channel is tightly embedded in the seal.

In some embodiments, the atomizer further includes a fixing member sleeved outside the bottom of the housing.

In some embodiments, the fixing member is formed by stamping and drawing a metal material.

In some embodiments, the base is made of a plastic material, the seal is made of a silicone material, and the liquid conducting liquid is a porous ceramic conducting liquid.

The present invention also provides an electronic atomization device, comprising the atomizer described in any one of the above.

beneficial effect

The implementation of the present invention has at least the following beneficial effects: the atomizer has a simple structure, few fittings, and saves material and process costs; the atomization surface is parallel to the airflow direction, and the atomization is more sufficient.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

Fig. 1 is the three-dimensional structure schematic diagram of the atomizer in the first embodiment of the present invention;

Fig. 2 is the exploded structure schematic diagram of the atomizer shown in Fig. 1;

Fig. 3 is the A-A sectional structure schematic diagram of the atomizer shown in Fig. 1;

Fig. 4 is the B-B sectional structure schematic diagram of the atomizer shown in Fig. 1;

Fig. 5 is the exploded structure schematic diagram of atomization assembly in Fig. 1;

Fig. 6 is the exploded structure schematic diagram of another angle of atomization assembly in Fig. 1;

Fig. 7 is the exploded structure schematic diagram of the atomizer in the second embodiment of the present invention;

Fig. 8 is the sectional structure schematic diagram of the atomizer shown in Fig. 7;

Fig. 9 is the sectional structure schematic diagram of another angle of the atomizer shown in Fig. 7;

Fig. 10 is the exploded structure schematic diagram of atomization assembly in Fig. 7;

Fig. 11 is the exploded structure schematic diagram of another angle of the atomizing assembly in Fig. 7;

12 is a schematic cross-sectional structure diagram of an atomizer in a third embodiment of the present invention;

Figure 13 is a schematic cross-sectional structure diagram of the atomizer shown in Figure 12 from another angle;

FIG. 14 is a schematic three-dimensional structure diagram of the atomizing assembly in FIG. 12 .

Embodiments of the present invention

In order to have a clearer understanding of the technical features, objects and effects of the present invention, the specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Figures 1-6 show the atomizer in the first embodiment of the present invention. The atomizer can be used with a power supply device (not shown) to form a substantially flat electronic atomization device for use in e-liquid, medicine, etc. Heating atomization of liquid substrates such as liquid. Wherein, the atomizer is used for accommodating the liquid matrix, heating and atomizing the liquid matrix and delivering the mist, and the power supply device is used for supplying power to the atomizer and controlling the opening or closing of the entire electronic atomization device. It can be understood that the electronic atomization device is not limited to be in a flat shape, and it can also be in other shapes such as a cylindrical shape, an elliptical column, and a rectangular parallelepiped shape.

As shown in FIGS. 2-6 , the atomizer may include a housing 1 with a liquid storage chamber 10 for storing liquid substrates and an air outlet channel 110 for exporting mist, and an atomizing assembly disposed in the housing 1 . 2 and a fixing member 3 sleeved on the bottom of the casing 1 .

The casing 1 can be roughly flat, and a vent pipe 11 can be disposed in the casing 1 along the longitudinal direction. A liquid storage cavity 10 is defined between the outer wall surface of the vent pipe 11 and the inner wall surface of the casing 1 , and the inner wall surface of the vent pipe 11 An air outlet channel 110 is defined. The ventilation pipe 11 can be formed by integrally extending downward from the top wall of the casing 1 along the longitudinal direction, and can be arranged coaxially with the casing 1 . In other embodiments, the ventilation pipe 11 and the housing 1 can also be separately manufactured and then assembled together.

The atomizing assembly 2 may include a base 24 embedded in the bottom of the casing 1, two electrode columns 25 disposed on the base 24, a liquid conducting liquid 22 disposed on the base 24, and two electrode columns 25 disposed on the conducting liquid 22 and connected to the two electrode columns 25. The heating element 23 is electrically connected and the sealing element 21 is sleeved on the liquid-conducting liquid 22 and the base 24 . The liquid-conducting surface 22 has a liquid-absorbing surface 221 in liquid-conducting communication with the liquid storage chamber 10 and an atomizing surface 222 for installing the heating element 23 . The direction of the airflow flowing through the atomization surface 222 is parallel to the atomization surface 222, and the atomization effect is more sufficient.

In some embodiments, the liquid guide 22 may be a porous ceramic liquid guide, which may include a substantially rectangular plate-shaped horizontally disposed liquid absorbing portion 225 and a rectangular plate-shaped downwardly extending from one long side of the liquid absorbing portion 225 The body portion 223 and the extension portion 224 extending downward from the middle of the bottom surface of the body portion 223 . The liquid absorbing surface 221 is located on the top surface of the liquid absorbing part 225 , the atomizing surface 222 is located on one side of the main body 223 along the thickness direction, and the liquid absorbing surface 221 is perpendicular to the atomizing surface 222 . An air outlet hole 2250 that communicates with the air outlet channel 110 can also be disposed longitudinally through the liquid suction portion 225 . The two electrode pins 231 respectively connected to the two ends of the heating element 23 are disposed on the bottom surface of the main body portion 223 and located on both sides of the extending portion 224 respectively. The two electrode posts 25 are in contact with the two electrode pins 231 respectively, so as to facilitate assembly.

In some embodiments, the sealing member 21 may be made of a flexible material such as silicone, and may include a main body portion 211 at the lower portion and a socket portion 212 at the upper portion. Two sides of the top surface of the main body portion 211 along the longitudinal direction are respectively provided with a liquid inlet hole 2110 in the longitudinal direction for communicating the liquid conducting liquid 22 with the liquid storage chamber 10 . The liquid inlet hole 2110 can be a narrow and long rectangular hole, and in other embodiments, it can also have other shapes such as a circle, an ellipse, a square, and the like. The main body portion 211 is sealingly embedded in the housing 1 , and the upper outer ring of the main body portion 211 can protrude to form at least one ring of annular protrusions 2111 . validity and reliability. A first cavity 2113 and a second cavity 2112 are formed in the bottom of the main body 211 in order from bottom to top. The cross-sectional dimension of the first cavity 2113 is larger than that of the second cavity 2112. Being tightly embedded in the first cavity 2113 , the suction portion 225 of the liquid guide 22 can be tightly embedded in the second cavity 2112 . The socket part 212 is formed by extending upward from the top surface of the main body part 211 , and a through hole 2120 is formed on the socket part 212 along the longitudinal direction. The lower end of the ventilation tube 11 can be tightly embedded in the sleeve portion 212 and communicated with the through hole 2120 . The inner ring of the socket portion 212 can also be formed with a flange 2121 extending inwardly, and the lower end face of the ventilation pipe 11 can abut against the flange 2121 .

In some embodiments, the base 24 may be made of plastic material, and may include a lower base body 241 located at the lower part of a substantially oval plate shape, a middle base body 242 located in the middle part of a substantially oval ring shape, and a base body 242 at the upper part. The outer dimensions of the upper seat body 243 , the lower seat body 241 , the middle seat body 242 , and the upper seat body 243 , which are substantially elliptical and annular, decrease in sequence. The outer dimension of the lower seat body 241 is larger than the inner dimension of the casing 1 , and the upper end surface of the lower seat body 241 abuts against the lower end surface of the casing 1 . The middle seat body 242 is tightly embedded in the housing 1 , and the upper seat body 243 is tightly embedded in the first cavity 2113 of the main body portion 211 . An atomization cavity 220 communicated with the air outlet hole 2250 is formed between the atomization surface 222 of the liquid guide 22 and the inner wall surface of the upper base body 243 .

Two clamping arms 245 are formed on the top of the lower base body 241 extending upward, so as to tightly clamp the body portion 223 of the liquid guide 22 between the two clamping arms 245 . The lower base body 241 can also be provided with an air intake hole 240 along the longitudinal direction, so as to allow outside air to enter the atomizing cavity 220 . A boss 244 is formed on the top of the lower seat body 241 to extend upward. At least one ventilation hole 2440 communicated with the air intake hole 240 is provided on the boss platform 244, so as to prevent the condensate received on the lower seat body 241 from passing through the air intake hole 240. leakage. A receiving groove 2411 may also be concavely formed on the top surface of the lower seat body 241 , and the extending portion 224 of the liquid guide 22 may extend into the receiving groove 2411 . The receiving groove 2411 can be used to receive the condensate generated in the long-term atomization process, and the condensate received in the receiving groove 2411 can flow to the body part 223 for secondary atomization through the extension part 224 . It can be understood that the shape and number of the extension portion 224 and the receiving groove 2411 are not limited.

Thus, the air inlet hole 240 , the ventilation hole 2440 , the atomizing cavity 220 , the air outlet hole 2250 , the through hole 2120 , and the air outlet channel 110 are connected in sequence from bottom to top to form a complete mist conveying channel.

The fixing member 3 is sleeved outside the casing 1 and the lower base body 241 , and can be formed by stamping and stretching a metal material, which plays a role of fixing and decoration, and can also reduce the influence of thermal expansion and cold contraction on the assembly structure. A buckle structure that cooperates with each other can also be provided between the fixing member 3 and the casing 1. In this embodiment, the outer wall of the casing 1 protrudes outward to form a clamping platform 12, and the fixing member 3 is formed with a corresponding clamping platform 12. The card slot 31 and the card table 12 are engaged with the card slot 31 to fasten the fixing member 3 and the casing 1 together. It can be understood that, in other embodiments, the fixing member 3 may not be provided, and the base 24 and the housing 1 can directly realize the fixing of the atomizing assembly 2 in the housing 1 through a fitting structure such as tight fit or snap fit.

Figures 7-11 show the atomizer in the second embodiment of the present invention. The atomizer can be used with a power supply device (not shown) to form a roughly flat electronic atomizer device, which is used for e-liquid, medicine, etc. Heating atomization of liquid substrates such as liquid. Wherein, the atomizer is used for accommodating the liquid matrix, heating and atomizing the liquid matrix and delivering the mist, and the power supply device is used for supplying power to the atomizer and controlling the opening or closing of the entire electronic atomization device. It can be understood that the electronic atomization device is not limited to be in a flat shape, and it can also be in other shapes such as a cylindrical shape, an elliptical column, and a rectangular parallelepiped shape.

The atomizer may include a housing 1 with a liquid storage chamber 10 for storing liquid substrates and an air outlet channel 110 for exporting mist, an atomizing assembly 2 arranged in the housing 1, and an atomizing assembly 2 sleeved on the housing 1 Fixtures 3 at the bottom.

In some embodiments, the liquid conducting liquid 22 may be a porous ceramic liquid conducting liquid substantially in the shape of a T-shaped sheet, which may include a square sheet-shaped body portion 223 located at the upper portion and an extension portion 224 extending downward from the middle of the bottom surface of the body portion 223 . The liquid absorbing surface 221 and the atomizing surface 222 are respectively located on two opposite sides of the main body portion 223 along the thickness direction. The two electrode pins 231 respectively connected to the two ends of the heating element 23 are disposed on the bottom surface of the main body portion 223 and located on both sides of the extending portion 224 respectively. The two electrode posts 25 are in contact with the two electrode pins 231 respectively, so as to facilitate assembly.

In some embodiments, the sealing member 21 may be made of a flexible material such as silicone, and may include a main body portion 211 at the lower portion and a socket portion 212 at the upper portion. The main body portion 211 is formed with a liquid inlet hole 2110 that communicates the liquid conducting liquid 22 with the liquid storage chamber 10 . The main body portion 211 is sealingly embedded in the housing 1 , and the lower outer ring of the main body portion 211 can protrude to form at least one ring of annular protrusions 2111 . validity and reliability. The top of the main body portion 211 extends downward to form two L-shaped holding portions 213 , and the main body portion 223 of the liquid guide 22 is held between the two holding portions 213 . The socket part 212 is formed by extending upward from the top surface of the main body part 211 , a through hole 2120 is formed on the socket part 212 along the longitudinal direction, and the lower end of the ventilation pipe 11 can be tightly embedded in the socket part 212 and connected with the through hole 2120 Pass. The inner ring of the socket portion 212 can also be formed with a flange 2121 extending inwardly, and the lower end face of the ventilation pipe 11 can abut against the flange 2121 .

In some embodiments, the base 24 may be made of plastic material, and may include a lower base body 241 located at the lower part of a substantially oval plate shape, a middle base body 242 located in the middle part of a substantially oval ring shape, and a base body 242 at the upper part. The outer dimensions of the upper seat body 243 , the lower seat body 241 , the middle seat body 242 , and the upper seat body 243 , which are substantially elliptical and annular, decrease in sequence. The outer dimension of the lower seat body 241 is larger than the inner dimension of the casing 1 , and the upper end surface of the lower seat body 241 abuts against the lower end surface of the casing 1 . The middle seat 242 is tightly embedded in the casing 1 , and the upper seat 243 is tightly embedded in the main body 211 . An atomization cavity 220 communicated with the through hole 2120 is formed between the atomization surface 222 of the liquid guide 22 and the inner wall surface of the upper seat body 243 .

Two clamping arms 245 are formed on the top of the lower seat body 241 extending upward, so as to tightly clamp the two clamping portions 213 of the sealing member 21 between the two clamping arms 245 . The lower base body 241 can also be provided with an air intake hole 240 along the longitudinal direction, so as to allow outside air to enter the atomizing cavity 220 . A boss 244 is formed on the top of the lower seat body 241 to extend upward. At least one ventilation hole 2440 communicated with the air intake hole 240 is provided on the boss platform 244, so as to prevent the condensate received on the lower seat body 241 from passing through the air intake hole 240. leakage. A receiving groove 2411 may also be concavely formed on the top surface of the lower seat body 241 , and the extending portion 224 of the liquid guide 22 may extend into the receiving groove 2411 . The receiving groove 2411 can be used to receive the condensate generated in the long-term atomization process, and the condensate received in the receiving groove 2411 can flow to the body part 223 for secondary atomization through the extension part 224 . It can be understood that the shape and number of the extension portion 224 and the receiving groove 2411 are not limited.

Thus, the air inlet hole 240 , the ventilation hole 2440 , the atomizing cavity 220 , the through hole 2120 , and the air outlet channel 110 are connected in sequence from bottom to top to form a complete mist conveying channel.

12-14 show the atomizer in the third embodiment of the present invention, which is different from the second embodiment in that, in this embodiment, the liquid inlet hole 2110 faces the top surface of the main body portion 211 of the sealing member 21 The at least one ring of annular protrusions 2111 is formed by extending outwardly from the upper outer ring of the main body portion 211 . In addition, a positioning table 13 may be formed on the inner wall surface of the housing 1 , and the top surface of the main body 211 may abut on the positioning table 13 to realize the positioning of the atomizing assembly 2 during installation.

It can be understood that the above technical features can be used in any combination without limitation.

The above examples only represent the preferred embodiments of the present invention, and their descriptions are more specific and detailed, but they should not be construed as limitations on the scope of the present invention; it should be noted that for those of ordinary skill in the art, in Under the premise of not departing from the concept of the present invention, the above-mentioned technical features can be freely combined, and some deformations and improvements can also be made, and these all belong to the protection scope of the present invention; therefore, all equivalent transformations made with the scope of the claims of the present invention All modifications and modifications shall fall within the scope of the claims of the present invention.

Claims

An atomizer, characterized by comprising a housing (1) with a liquid storage chamber (10) formed therein, and an atomizing assembly (2) disposed in the housing (1), the atomizing assembly (2) It includes a base (24), a liquid guide (22) disposed on the base (24), a heating element (23) disposed on the liquid guide (22), and a heating element (23) sleeved on the liquid guide (22). 22) The upper sealing member (21); the liquid conducting liquid (22) has a liquid suction surface (221) in liquid conducting communication with the liquid storage chamber (10) and a mist for installing the heating element (23) An atomizing surface (222), and the direction of the airflow flowing through the atomizing surface (222) is parallel to the atomizing surface (222).
The atomizer according to claim 1, characterized in that, the atomization assembly (2) further comprises two electrode pins (231) respectively connected to both ends of the heating body (23), and two electrode pins (231) disposed on the Two electrode columns (25) on the base (24), the two electrode columns (25) are respectively in contact with the two electrode pins (231) for conduction.
The atomizer according to claim 2, characterized in that, the two electrode pins (231) are arranged on the bottom surface of the conducting liquid (22) and are perpendicular to the atomizing surface (222).
The atomizer according to claim 1, characterized in that, the base (24) is embedded in the bottom of the housing (1), and the atomization surface (222) and the base (24) are in contact with each other. An atomizing cavity (220) is formed between the inner wall surfaces.
The atomizer according to claim 4, characterized in that, an air intake hole (240) for connecting the atomization chamber (220) with the outside is formed on the base (24) in a longitudinal direction.
The atomizer according to claim 5, characterized in that a boss (244) is formed extending upward from the bottom wall of the base (24), and the boss (244) is formed with the air inlet hole. (240) communicated with at least one vent (2440).
The atomizer according to claim 1, characterized in that, at least one receiving groove (2411) is concavely formed on the upper end face of the bottom wall of the base (24), and the liquid guide (22) includes a part extending into the At least one extension (224) in at least one receiving groove (2411).
The atomizer according to claim 1, characterized in that, at least one ring of annular protrusions (2111) is formed protruding from the outer ring of the sealing member (21), and the at least one ring of annular protrusions (2111) Interference fit with the inner wall surface of the housing (1).
The atomizer according to claim 1, characterized in that, the sealing member (21) is tightly sleeved above the liquid guide (22) and the base (24).
The atomizer according to any one of claims 1-9, characterized in that the liquid guide (22) comprises a plate-shaped body portion (223), and one side surface of the body portion (223) forms the mist face (222).
The atomizer according to claim 10, characterized in that, the liquid guide (22) further comprises a liquid suction part (225) located on the upper part of the main body part (223) and perpendicular to the main body part (223). , the top surface of the liquid suction part (225) forms the liquid suction surface (221).
The atomizer according to claim 11, characterized in that, an air outlet hole (2250) is provided longitudinally through the liquid suction part (225).
The atomizer according to claim 10, characterized in that, another side surface of the body portion (223) opposite to the atomization surface (222) forms the liquid absorption surface (221).
The atomizer according to any one of claims 1-9, characterized in that, an air outlet channel (110) is formed in the casing (1) along the longitudinal direction, and the extension direction of the air outlet channel (110) is the same as that of the air outlet channel (110). The atomizing surface (222) is parallel.
The atomizer according to claim 14, characterized in that, the lower end of the air outlet channel (110) is tightly embedded in the sealing member (21).
The atomizer according to any one of claims 1-9, characterized in that, the atomizer further comprises a fixing member (3) sleeved outside the bottom of the housing (1).
The atomizer according to claim 16, characterized in that, the fixing member (3) is formed by stamping and drawing a metal material.
The atomizer according to any one of claims 1-9, characterized in that, the base (24) is made of plastic material, the seal (21) is made of silicone material, and the liquid guide (24) is made of a silicone material. 22) It is a porous ceramic conducting liquid.
An electronic atomization device, characterized in that it comprises the atomizer according to any one of claims 1-18.