CN212345304U - Electronic atomization device and atomizer and atomization assembly thereof - Google Patents

Abstract

The utility model relates to an electronic atomization device, an atomizer and an atomization component thereof, wherein the atomization component comprises a porous body and a heating body in a cylindrical net shape; the porous body comprises a central through hole, the heating body is of a hollow structure with two through ends, and the heating body is arranged in the central through hole and is tightly connected with the porous body. This atomization component sets up in the central through-hole of porous body and closely meets with this porous body through being the netted heat-generating body of cylindricality, and then can improve the whole homogeneity that generates heat of heat-generating body, avoids appearing local high temperature and burnt flavor production, improves suction experience and feels and atomization efficiency.

Description

Electronic atomization device and atomizer and atomization assembly thereof

Technical Field

The utility model relates to an atomizing device, more specifically say, relate to electronic atomizing device and atomizer and atomization component thereof.

Background

In the related art, the atomizing assembly is widely used in the electronic cigarette. The atomizing unit generally includes a porous body for guiding the liquid and a heating element disposed on the porous body. The current heating element mostly adopts a spiral heating wire, the porous body is mostly a ceramic porous body, and the heating element can be molded and sintered together with the porous body to obtain an integral atomizing core.

The heliciform heating wire generally forms through simple coiling to the wire rod, and this heating wire rigidity is relatively poor, makes the turn-to-turn pitch change in preparation process easily to lead to heating the whole homogeneity poor, its diameter is less simultaneously, and whole heating area is little, local high temperature appears easily, thereby brings the burnt flavor of suction, influences the suction and experiences, and atomization efficiency is lower.

The atomizing core in the related art generally has the technical defects of uneven temperature distribution, low atomizing efficiency, poor suction experience and the like, and the defects seriously limit the further forward development and popularization and application in the field.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a modified atomization component, further provides a modified electronic atomization device and atomizer thereof.

The utility model provides a technical scheme that its technical problem adopted is: constructing an atomization assembly which comprises a porous body and a heating body in a cylindrical net shape; the porous body comprises a central through hole, the heating body is of a hollow structure with two through ends, and the heating body is arranged in the central through hole and is tightly connected with the porous body.

Preferably, the side wall of the heat generating body is at least partially embedded in the side wall of the porous body.

Preferably, the porous body includes a first side wall inner surface and a first side wall outer surface provided in correspondence with the first side wall inner surface;

the heating body comprises a second side wall inner surface and a second side wall outer surface which is arranged corresponding to the second side wall inner surface;

the heating body is integrally embedded in the porous body, and the inner surface of the second side wall of the heating body is flush with the inner surface of the first side wall of the porous body.

Preferably, the outer surface of the second side wall of the heating element is in close contact with the inner surface of the first side wall of the porous body.

Preferably, the heating element is cylindrical and includes a plurality of annularly-shaped heating portions arranged at intervals and connected to each other.

Preferably, the wire diameter of the multiple sections of the heating parts gradually increases from the middle part to the two ends.

Preferably, the heating parts are arranged in a plurality of sections at equal intervals.

Preferably, the size of the longitudinal section of each heating part is gradually reduced from inside to outside.

Preferably, the heating element further includes two annular electrode portions provided at both ends of the plurality of heating portions;

the electrode portion is spaced apart from the heating portion, and has a width in the axial direction greater than that of the heating portion.

Preferably, the heat generating body further includes a connecting portion connecting two adjacent heat generating portions.

Preferably, a width of the connection portion in the axial direction is slightly larger than a width of the heat generating portion.

Preferably, each of the heat generating portions is connected to one of the connecting portions at two opposite sides in the radial direction.

Preferably, the connection portion is provided perpendicularly to an end surface of the heat generating portion.

Preferably, the heat generating body includes a plurality of meshes;

the mesh is formed by the space between two adjacent heating parts and/or the space between the heating parts and the electrode part.

Preferably, both ends of the mesh are circular arcs.

Preferably, the atomization assembly further comprises two electrodes which are respectively arranged on the two electrode parts and penetrate out of the porous body;

the two electrodes are arranged in the same radial direction of the heating body.

Preferably, the porosity of the porous body is 40% -85%;

and/or the thickness of the heating element is 0.05-0.3 mm;

and/or the thickness of the hole wall of the central through hole is 0.5-5 mm;

and/or the height of the heating element is less than the depth of the central through hole of the porous body, and the height of the heating element is 4-8 mm;

and/or the resistance of the heating element is 0.6-1.4 ohm, and the input power is 8-16W.

Preferably, the porous body is a ceramic porous body;

the heating body is a metal heating net;

the heating element and the ceramic porous body are formed into an integral structure by sintering.

The utility model discloses still construct an atomizer, including the atomizing shell, set up in the atomizing shell the atomization component.

The utility model discloses still construct an electronic atomization device, include the utility model atomizer and with power supply unit that the atomizer is connected.

Implement the utility model discloses an electronic atomization device and atomizer and atomization component thereof has following beneficial effect: this atomization component sets up in the central through-hole of porous body and closely meets with this porous body through being the netted heat-generating body of cylindricality, and then can improve the whole homogeneity that generates heat of heat-generating body, avoids appearing local high temperature and burnt flavor production, improves suction experience and feels and atomization efficiency.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is an exploded view of a portion of an electronic atomizer device according to some embodiments of the present invention;

FIG. 2 is a cross-sectional view of the electronic atomizer of FIG. 1;

FIG. 3 is a cross-sectional view of the atomizer of the electronic atomizer device of FIG. 2;

FIG. 4 is a schematic diagram of the atomizing assembly of the atomizer shown in FIG. 3;

FIG. 5 is an exploded view of the atomizing assembly of FIG. 4;

FIG. 6 is a cross-sectional view of the atomizing assembly shown in FIG. 4;

FIG. 7 is a schematic view showing the structure of the heat-generating body shown in FIG. 5.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It should be understood that the terms "front", "back", "left", "right", "upper", "lower", "first", "second", etc. are used for convenience of describing the technical solution of the present invention, and do not indicate that the devices or elements referred to must have special differences, and thus, should not be construed as limiting the present invention. It will be understood that when an element is referred to as being "coupled" to another element, it can be directly coupled to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Fig. 1 and 2 show some preferred embodiments of the electronic atomizer of the present invention. The electronic atomization device is used for heating and atomizing tobacco tar and can comprise an atomizer 1 and a power supply device 2. The atomizer 1 can heat and atomize an atomizing medium in an energized state. The power supply device 2 includes a power supply housing 201 and a battery pack disposed in the power supply housing 201, and the atomizer 1 may be partially disposed in the power supply housing 201, and mechanically and electrically connected to the battery pack, and provides electric energy to the atomizer through the battery pack of the power supply device 2.

As shown in fig. 2 and 3, the atomizer 1 includes an atomizing housing 10, a base 20, a liquid storage device 30, a vent pipe 40, and an atomizing assembly 50. The atomizing housing 10 is disposed around the base 20 for accommodating the liquid storage device 30, the air tube 40, and the atomizing assembly 50. The base 20 is disposed in the atomizing housing 10 for mounting the reservoir 30, the vent tube 40, and the atomizing assembly 50. The reservoir 30 may define a reservoir chamber 31 therein for storing an atomized medium. The air tube 40 is disposed in the liquid storage device 30, and an air flow channel is formed inside the air tube for air to flow through. The atomizing element 50 is accommodated in the vent tube 40 and is connected to the liquid storage chamber 31 of the liquid storage device 30, and is electrically connected to the battery element 202 of the power supply device 2, and is capable of heating and atomizing the atomizing medium introduced from the liquid storage chamber 31 in an electrified state. In some embodiments, the atomizing medium may be tobacco tar.

The atomizing housing 10 in some embodiments includes an open end 11 at the bottom and a nozzle end 12 opposite the open end 11, the open end 11 being engageable with the base 20, the nozzle end 12 having an air outlet 13, the air outlet 13 being in communication with the air duct 40 for a user to inhale an atomizing air through the mouth. The inner side of the atomizing housing 10 may form a receiving cavity 14 at the middle portion for receiving the liquid storage device 30.

Further, in some embodiments, the base 20 is inserted into the atomizing housing 10 from the open end of the atomizing housing 10, and includes a seat 21 and a first air flow passage 22, wherein the cross-sectional shape and size of the seat 21 are adapted to the cross-sectional shape and size of the atomizing housing 10. The first air flow channel 22 is disposed on the base 21 and located at a central axis of the base 21, is disposed along a thickness direction of the base 21, and is communicated with the air pipe 40, and is used for allowing air to enter the air pipe 40. The bottom of the base 21 is provided with an air inlet 211 communicated with the first air channel 22.

Further, in some embodiments, the liquid storage device 30 is a hollow cylinder, which is sleeved on the periphery of the vent pipe 40, and the inner side of the liquid storage device forms an annular liquid storage cavity 31, one end of the liquid storage device 30 is sleeved on the base 20, and the other end is provided with an opening; a sealing cover 70 is arranged at the opening to seal the liquid storage device 30; the sealing cover 70 is provided with a sealing structure 71 to be connected with the liquid storage device 30 in a sealing way. In some embodiments, the sealing structure 71 may be a silicone piece.

Further, in some embodiments, the vent tube 40 includes a first tube segment 41 and a second tube segment 42 connected to the first tube segment 41; the radial dimension of the first tube section 41 is greater than the radial dimension of the second tube section 42. The first pipe section 41 is disposed on the base 20 and is sleeved on the upper portion of the first airflow channel 22, which is communicated with the airflow channel. The sidewall of the first pipe section 41 may be provided with two liquid guiding holes 411, and the two liquid guiding holes 411 are respectively located at two opposite sides of the first pipe section 41 and are connected to the liquid storage chamber 31 for guiding liquid. The second pipe section 42 is disposed at an end of the first pipe section 41 away from the base 20, is integrally formed with the first pipe section 41, and an end of the second pipe section 41 away from the first pipe section 41 is communicated with the air outlet 13 of the atomizing housing 10.

As shown in fig. 4 to 6, the atomizing assembly 50 is accommodated in the first pipe section 41, and includes a porous body 51 and a heating element 52. The porous body 51 is connected to the reservoir 31 via the liquid guiding hole 411, and is used for sucking the atomized medium from the reservoir 31. The heating element 52 is provided in the porous body 51, and is used to heat the atomized medium in the porous body 51.

The porous body 51 is cylindrical in some embodiments, and it is understood that the porous body 51 is not limited to being cylindrical in other embodiments. In some embodiments, the porous body 51 includes a central through hole 511, and the central through hole 511 has two ends penetrating therethrough, and the inner side thereof can form an atomizing chamber, one end of which can communicate with the first air flow channel 22, and the other end of which can communicate with the second pipe section 42, so as to communicate with air and facilitate sending of the atomizing air. In this embodiment, the porous body 51 may include a first sidewall inner surface and a first sidewall outer surface, which are correspondingly disposed, wherein the first sidewall inner surface is located in the central through hole 511.

In some embodiments, the porous body 51 is a ceramic porous body made of one or more of diatomite, quartz, mullite, alumina, silicon carbide, silicon nitride, and titanium boride. In some embodiments, the porous body 51 may be made of diatomite having a lower thermal conductivity. In some embodiments, the porosity of the porous body is 40% to 85%, preferably 55% to 65%; in some embodiments, the pore size of the porous body is between 5um and 100 um; specifically, it may be 15um to 30 um. In some embodiments, the porosity is greater than that of existing porous bodies, which in turn can increase drainage rate and increase the amount of smoke generated. In some embodiments, the wall thickness of the central through hole 511 may be 0.5-5mm, which may allow for rapid heat transfer to the outer surface of the porous body 51, which may preheat the atomizing medium. In some embodiments, the depth of the central through hole 511 may be greater than the height of the heating body 52, and thus the heating body 52 may be prevented from being dried.

Further, in some embodiments, the heating element 52 may be a cylindrical net shape, specifically, it is a cylindrical shape and it is a hollow structure with two ends through, and its inner side forms a second air flow channel and communicates with the first air flow channel 22 and the first pipe section 41, so that the atomized air can be sent out. The heating element 52 may include a second side wall inner surface and a second side wall outer surface; the second side wall inner surface and the second side wall outer surface are correspondingly arranged. The heating element 52 can be disposed in the central through hole 511 and closely connected to the porous body 51, specifically, in some embodiments, the heating element 52 can be integrally embedded in the porous body 51 along the radial direction of the porous body 51, that is, embedded in the porous body 51 along the flowing direction of the atomized medium (i.e., the distance direction from the outer side surface to the inner side surface of the porous body), and the inner surface of the second side wall thereof is flush with the inner surface of the first side wall of the porous body 51, and can be integrally formed with the porous body 51 by sintering, so as to enhance the stability of the cooperation with the porous body 51, improve the uniformity of heating, the atomization efficiency, increase the atomization amount, and prevent the heating element 52 from being burnt. It is understood that, in other embodiments, the side wall of the heating element 52 may be embedded in the porous body 51 along the radial direction of the porous body 51. Of course, it is understood that in other embodiments, the heating element 52 may be disposed on the inner surface of the first sidewall of the central through hole 511, and the outer surface of the second sidewall may closely fit with the inner surface of the first sidewall of the porous body 51, so as to heat the atomized medium in the porous body 51, avoid dry burning, and improve the uniformity of heating.

The heating element 52 is a metal heating net in some embodiments, and the material of the metal heating net may be one or more of nickel-chromium, nickel-chromium-iron, iron-chromium-aluminum, 316 stainless steel, titanium and titanium alloy, nickel-titanium, nickel-zirconium, and high temperature cobalt-based alloy. The heating element 52 may have a thickness of 0.05 to 0.3mm, a height of 4 to 8mm as a whole, a height smaller than the depth of the central through hole 511 of the porous body 51, and a central portion of the central through hole 511. In some embodiments, the heater 52 may have a resistance of 0.6-1.4 ohms and an input power of 8-16 watts, and the heater may be within the height range, the resistance range, and the input power may be used to adapt the amount of aerosol to the lung volume suction range of the human.

As shown in fig. 7, in some embodiments, the heat generating body 52 includes a plurality of heat generating portions 521 and a connecting portion 522, each heat generating portion 521 has a ring shape, the plurality of heat generating portions 521 are spaced apart and connected to each other to form a columnar structure, and the plurality of heat generating portions 521 are arranged at equal intervals. The connecting portion 522 is disposed between two adjacent heating portions 521, and is used for connecting the two adjacent heating portions 521.

In some embodiments, the wire diameter of the multiple heating portions 521 gradually increases from the middle to the two ends, and the pitch of the multiple heating portions 521 is kept consistent, so that the porous body 51 near each heating portion 521 can store and supply oil consistently, thereby improving the uniformity of overall heating, effectively avoiding local high temperature, and improving the experience of pumping. In some embodiments, the diameter of the heat generating portion 21 is 0.05mm to 0.3mm, and the turn pitch is 0.2 mm to 0.6 mm.

In some embodiments, the cross-sectional width of the heat generating portion 521 gradually decreases from inside to outside, that is, the cross-sectional width of the heat generating portion gradually decreases from the surface in contact with the porous body to the surface away from the porous body, so that a larger direct heat generating atomization surface can be obtained on the premise of maintaining a certain resistance value, the atomization efficiency can be improved when oil is sufficiently supplied, and a larger amount of smoke can be obtained under a certain power.

In some embodiments, the connecting portion 522 is located in the axial direction of the heat generating body 52, and the width in the axial direction thereof is larger than the width of the heat generating portion 521, and in some embodiments, the width in the axial direction thereof may be slightly larger than the width of the heat generating portion 521, so that current can more effectively flow through the connecting portion 522, reducing current loss, and particularly, the width in the axial direction thereof is 0.1 to 1.0 mm.

Two adjacent heating portions 521 are connected to each other by a connecting portion 522, that is, one connecting portion 522 is connected to each of two sides of each heating portion 521, which are opposite to each other in the radial direction, it is understood that in other embodiments, two adjacent heating portions 521 may also be connected to each other by a plurality of connecting portions 522. The connecting portion 522 may be provided perpendicular to the end surface of the heat generating portion 521, so that stress and heat generation at the connecting portion may be more concentrated, and the rigidity of the heat generating body 52 may be enhanced. The two connecting parts 522 are symmetrically arranged by respectively connecting the two opposite sides in the radial direction with the connecting parts 522, so that the path of current is longest and the heating is more uniform. It is understood that in other embodiments, the connection portions 522 may be two pairs, and each pair of connection portions 522 may include two connection portions 522 symmetrically disposed, one connection portion 522 may be connected to the previous heat generating portion 521, and the other connection portion 522 may be connected to the next heat generating portion 521. The line connecting the two pairs of connecting portions 522 may be spatially cross-shaped, thereby making heating more uniform. The connecting portions 522 may also be three or more pairs, and they may be uniformly distributed along the circumferential direction of the heat generating portion 521.

In some embodiments, two opposite sidewalls of the connecting portion 522 in the circumferential direction of the heat generating portion 521 may be concave arcs. Of course, it is understood that in other embodiments, the two oppositely disposed sidewalls of the connecting portion 522 may not be limited to the concave arc surface, but may also be a plane surface.

Further, in some embodiments, the multi-section heat generating portion includes two electrode portions 523. The two electrode portions 523 are disposed at two ends of the plurality of heat generating portions 521, spaced apart from the heat generating portions 521, and have a ring shape, are connected to the heat generating portions 521 through the connecting portions 522, and have a width in the axial direction greater than that of the heat generating portions 521, specifically, 3 to 8 times the width of the heat generating portions 521, and are configured to allow a current to pass therethrough.

In some embodiments, the heat generating body 52 may further include a plurality of meshes 524, and in some embodiments, the space between two heat generating portions 521 adjacently disposed and the space between the heat generating portion 521 and the electrode portion 523 may both form the meshes 524. In some embodiments, the mesh 524 may have a ring shape, and both ends of the mesh corresponding to the connection portion 522 may have circular arc shapes, so that the contact area of the connection portion 522 and the heat generating portion 521 may be increased, the resistance of the connection portion may be decreased, the heat and stress at the connection portion 522 and the heat generating portion 521 may be decreased, and the resistance of the middle portion of the connection portion 522 may be increased, thereby increasing the heat generation amount. It will be appreciated that in other embodiments, the ends of the mesh 524 are not limited to being circular, and may be linear.

Further, in some embodiments, the atomizing assembly also includes two electrodes 53. The two electrodes 53 are respectively disposed on the two electrode portions 523. When the heating element 52 is assembled with the porous body 51, the two electrodes can be respectively penetrated out of the porous body 51 to be electrically connected with the power supply device 2. In some embodiments, the electrode 53 may be fixed to the two electrode portions 523 by welding. The two electrodes 53 are provided in the same radial direction of the two heating elements 52, so that the path of the current in the heating elements 52 can be made longest, and the uniformity of heat generation of the heating elements 52 can be improved.

As further shown in fig. 2 and 3, in some embodiments, the atomizer 1 further includes a liquid locking structure 60. The liquid locking structure 60 may be disposed in the first pipe section 41, and may be a hollow pipe with two ends penetrating through, and may be sleeved on the periphery of the porous body 51, and may be used to lock the atomized medium on the porous body 51.

In some embodiments, the nebulizer 1 further comprises a mouthpiece plug 80, wherein the mouthpiece plug 80 is detachably disposed at the mouthpiece end 12 of the nebulizing shell 10 and is configured to plug into the air outlet 13 to prevent nebulized medium from escaping from the air outlet 13 when the nebulizer 1 is not in use.

In some embodiments, the atomizer further comprises an electrode element 90; the two electrode members 90, which are disposed on the base 20, can be electrically connected to the electrodes of the atomizing assembly 50 and the battery assembly 202 of the power supply device 2, so as to energize the atomizing assembly 50.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit 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 modifications and improvements 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 changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (20)

1. An atomizing assembly characterized by comprising a porous body (51) and a heating element (52) in the form of a cylindrical net; the porous body (51) comprises a central through hole (511), the heating element (52) is a hollow structure with two through ends, and the heating element (52) is arranged in the central through hole (511) and is tightly connected with the porous body (51).

2. Atomizing assembly according to claim 1, characterized in that said heat-generating body (52) is at least partially embedded in said porous body (51).

3. The atomizing assembly of claim 2, wherein said porous body (51) includes a first sidewall inner surface and a first sidewall outer surface disposed in correspondence with said first sidewall inner surface;

the heating element (52) comprises a second side wall inner surface and a second side wall outer surface which is arranged corresponding to the second side wall inner surface;

the heating element (52) is integrally embedded in the porous body (51), and the inner surface of the second side wall of the heating element is flush with the inner surface of the first side wall of the porous body (51).

4. The atomizing assembly according to claim 1, characterized in that the second side wall outer surface of said heat-generating body (52) is closely fitted to the first side wall inner surface of said porous body (51).

5. The atomizing assembly according to claim 1, wherein said heat generating body (52) has a cylindrical shape and includes a plurality of annularly shaped heat generating portions (521) which are arranged at intervals and connected to each other.

6. The atomizing assembly of claim 5, wherein the wire diameter of said plurality of stages of said heat generating portions (521) gradually increases from the middle portion toward both ends.

7. The atomizing assembly of claim 5, wherein said plurality of said heat-generating portions (521) are equidistantly disposed.

8. The atomizing assembly of claim 5, wherein each of said heat generating portions (521) has a longitudinal cross-sectional dimension that gradually decreases from inside to outside.

9. The atomizing assembly according to claim 5, characterized in that said heat-generating body (52) further comprises two electrode portions (523) which are provided at both ends of said plurality of said heat-generating portions (521) and have a ring shape;

the electrode portion (523) is provided at a distance from the heat generating portion (521), and has a width in the axial direction larger than that of the heat generating portion (521).

10. The atomizing assembly according to claim 5, characterized in that said heat-generating body (52) further comprises a connecting portion (522) connecting two adjacently disposed heat-generating portions (521).

11. The atomizing assembly of claim 10, characterized in that said connecting portion (522) has a width in the axial direction slightly greater than the width of said heat generating portion (521).

12. The atomizing assembly according to claim 10, wherein said connecting portion (522) is connected to each of two sides of each of said heat generating portions (521) which are opposite to each other in the radial direction.

13. Atomizing assembly according to claim 10, characterized in that said connecting portion (522) is arranged perpendicularly to the end face of said heat generating portion (521).

14. The atomizing assembly of claim 9, wherein said heat-generating body (52) includes a plurality of meshes (524);

the mesh (524) is formed by the space between the two adjacent heating portions (521) and/or the space between the heating portion (521) and the electrode portion (523).

15. The atomizing assembly of claim 14, wherein both ends of said mesh (524) are rounded.

16. The atomizing assembly of claim 9, further comprising two electrodes (53) disposed on the two electrode portions (523) respectively and penetrating from the porous body (51);

the two electrodes (53) are provided in the same radial direction of the heating element (52).

17. The atomizing assembly of claim 1, characterized in that said porous body (51) has a porosity of 40% -85%;

and/or the thickness of the heating element (52) is 0.05-0.3 mm;

and/or the wall thickness of the central through hole (511) is 0.5-5 mm;

and/or the height of the heating element (52) is smaller than the depth of the central through hole (511) of the porous body (51), and the height of the heating element (52) is 4-8 mm;

and/or the resistance of the heating element (52) is 0.6-1.4 ohm, and the input power is 8-16W.

18. The atomizing assembly of claim 1, characterized in that said porous body (51) is a ceramic porous body;

the heating body (52) is a metal heating net;

the heating element (52) and the ceramic porous body are formed into an integral structure by sintering.

19. A nebulizer, comprising a nebulizing housing (10), a nebulizing assembly (50) according to any one of claims 1 to 18 being arranged in the nebulizing housing (10).

20. An electronic atomizer device, characterized by comprising the atomizer (1) according to claim 19 and a power supply device (2) connected to the atomizer (1).

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