CN112890301A

CN112890301A - Stable heat-generating body of atomizing, heating element and atomizing device

Info

Publication number: CN112890301A
Application number: CN202110192110.2A
Authority: CN
Inventors: 汪小蝶
Original assignee: Shenzhen Huachengda Development Co Ltd
Current assignee: Shenzhen Huachengda Precision Industry Co Ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-06-04
Anticipated expiration: 2041-02-20
Also published as: CN112890301B

Abstract

The invention provides a heating body with stable atomization, a heating component and an atomization device. The heating body comprises a middle part and end parts respectively arranged at two ends of the middle part, the middle part is connected with the end parts so as to heat the heating body when the end parts at the two ends are electrified, and a containing space penetrating through the end parts and the middle part is arranged in the heating body; the cross-sectional area of the accommodation space at the middle portion is smaller than the cross-sectional area at the end portions. The heating component comprises a liquid guide body and the heating body. Atomizing device includes casing and foretell heating element, is equipped with liquid way and air flue on the casing, and the liquid way leads to liquid to supply to lead liquid and conduct the heat-generating body heating atomization with liquid. This heat-generating body, heating element and atomizing device can satisfy the heat-generating body and lead the cotton contact of liquid better when supplying liquid, and heating stability is good.

Description

Stable heat-generating body of atomizing, heating element and atomizing device

Technical Field

The invention relates to the technical field of heating bodies, in particular to a heating body with stable atomization, a heating assembly and an atomization device.

Background

At present, many heating atomization components adopt liquid guide cotton as a liquid guide part, for example, a liquid guide cotton rope, and a heating wire is generally wound on the periphery of the liquid guide cotton rope. Because the thickness of drain cotton is unanimous, wears to establish in the hole of heat-generating body, and liquid conducts the heat-generating body position from both ends through the drain cotton rope, and the heat-generating body produces the heat because the heat effect of resistance after electrically conductive, evaporates liquid atomization.

However, the above structure causes problems: the part of the liquid guide cotton is fried with oil or pasted with a core, the atomization stability is poor, harmful substances are generated, and the consumer experience is influenced.

Disclosure of Invention

The present invention is directed to provide a heating element, a heating element assembly, and an atomization device with stable atomization, which address the above-mentioned drawbacks in the related art.

The technical scheme adopted by the invention for solving the technical problem comprises the following steps: providing a heating body comprising a middle part and end parts respectively arranged at two ends of the middle part, wherein the middle part is connected with the end parts so as to heat the heating body when the end parts at the two ends are electrified, and an accommodating space penetrating through the end parts and the middle part is arranged in the heating body;

the cross-sectional area of the accommodation space at the middle portion is smaller than the cross-sectional area at the end portion.

Preferably, in a first radial direction, the radial dimension of the housing space at the central portion is smaller than the radial dimension at the end portions; a radial dimension of the receiving space at the middle portion is smaller than a radial dimension at the end portion in a second radial direction, the first radial direction being non-parallel to the second radial direction.

Preferably, in a first radial direction, the radial dimension of the housing space at the central portion is smaller than the radial dimension at the end portions; a radial dimension of the receiving space at the middle portion is greater than or equal to a radial dimension at the end portion in a second radial direction, the first radial direction being non-parallel to the second radial direction.

Preferably, the cross-sectional area of the receiving space gradually decreases from the end portion to the middle portion.

Preferably, the cross-sectional area of the receiving space is reduced in a stepwise manner from the end portion to the middle portion.

Preferably, the heating element is spiral.

Preferably, the heating body is formed by winding a heating wire.

Preferably, the heating element is tubular, and a hollow structure penetrating through the accommodating space is arranged on the middle part.

The technical scheme adopted by the invention for solving the technical problem comprises the following steps: the heating assembly comprises a liquid guide body and the heating body, wherein the liquid guide body is arranged in the accommodating space and is in contact with the inner side of the heating body.

The technical scheme adopted by the invention for solving the technical problem comprises the following steps: the utility model provides an atomizing device, includes casing and foretell heating element, be equipped with liquid way and air flue on the casing, the liquid way leads to lead liquid, so that supply lead liquid and conduct liquid to the heat-generating body heating atomization.

The technical scheme of the invention at least has the following beneficial effects: this heat-generating body, heating element and atomizing device can satisfy the heat-generating body and lead the cotton contact of liquid better when supplying liquid, and heating stability is good.

Drawings

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

FIG. 1 is a perspective view of a heat-generating body according to a first embodiment of the present invention.

Fig. 2 is a perspective view of a heat generating component of a first embodiment of the present invention, including a liquid guide and the heat generating body of fig. 1.

Fig. 3 is a front projection view of the heat generating component of fig. 2.

Fig. 4 is an exploded view of the heat generating component of fig. 2.

Fig. 5 is a sectional view of the heat generating component of fig. 2.

Fig. 6 is a sectional view of a heat generating component of a second embodiment of the present invention, including a liquid guiding body and a heat generating body.

FIG. 7 is a sectional view of a heat generating component of a third embodiment of the invention, including a liquid-guiding body and a heat generating body, and a hatched portion shows a projection of a central portion of the heat generating body.

Fig. 8 is a flowchart of a method of manufacturing the heat generating element of fig. 7, and a shaded portion shows a projection of a middle portion of the heat generating element.

FIG. 9 is a perspective view of a heat-generating body of a fourth embodiment of the present invention.

FIG. 10 is a perspective view of a heat generating component of a fourth embodiment of the present invention, including a liquid guide and the heat generating body of FIG. 9.

Fig. 11 is an exploded view of the heating element of fig. 10.

Fig. 12 is a flowchart of a method of manufacturing the heat generating component of fig. 10.

FIG. 13 is a perspective view of a heat-generating body of a fifth embodiment of the present invention.

FIG. 14 is a perspective view of a heat generating component of a fifth embodiment of the present invention, including a liquid-conducting body and the heat generating body of FIG. 13.

Fig. 15 is an exploded view of the heating element of fig. 14.

Fig. 16 is a flowchart of a method of manufacturing the heat generating component of fig. 14.

FIG. 17 is a perspective view of a heat-generating body according to a sixth embodiment of the present invention.

FIG. 18 is a perspective view of a heat generating component of a sixth embodiment of the present invention, including a liquid-conducting body and the heat generating body of FIG. 17.

Fig. 19 is an exploded view of the heating element of fig. 18.

Fig. 20 is a cross-sectional view of the heat generating component of fig. 18.

Fig. 21 is a sectional view of the heat generating component of fig. 18 in another direction.

Fig. 22 is a sectional view in still another direction of the heat generating component of fig. 18.

Fig. 23 is a flowchart of a method of manufacturing the heat generating component of fig. 18.

Fig. 24 is an exploded view of an atomizing device in accordance with an embodiment of the present invention.

Fig. 25 is a cross-sectional view of the atomization device of fig. 24 (arrows indicate the direction of flow of the liquid).

Fig. 26 is another cross-sectional view of the atomizing device of fig. 24 (arrows indicate the flow direction of the atomizing gas).

The reference numerals in the figures denote: heating element 1, middle part 11, hollow out construction 111, cyclic annular portion 112, connecting portion 113, tip part 12, accommodation space 13, first radial 1a, the radial 1b of second, lead liquid 2, casing 3, stock solution storehouse 31, liquid way 32, air flue 33, plastic instrument 4.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that if the terms "front", "back", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are used herein to indicate an orientation or positional relationship, they are constructed and operated in a specific orientation based on the orientation or positional relationship shown in the drawings, which is for convenience of describing the present invention, and do not indicate that the device or component being referred to must have a specific orientation, and thus, should not be construed as limiting the present invention. It is also to be understood that, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like, if used herein, are intended to be inclusive, e.g., that they may be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. If the terms "first", "second", "third", etc. are used herein only for convenience in describing the present technical solution, they are not to be taken as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

It has been found that the main causes of the problems in the background art are:

1. when the liquid guide cotton rope is arranged in the inner hole of the heating body in a penetrating mode, the middle section of the inner diameter of the heating body is as thick as the two ends, the thickness of the liquid guide cotton rope is also consistent, when the liquid guide cotton is arranged in the inner hole in a penetrating mode too tightly, the inner walls of the heating bodies at the two ends limit the gap of the liquid guide cotton, liquid supply of the heating body at the middle section is slowed down, and due to the heat conduction and heat radiation principle, the temperature of the heating body at the middle section is higher than that at the two ends, and therefore the situation that liquid supply at the middle section is insufficient, atomization temperature.

2. When the liquid guide cotton rope is arranged in the inner hole of the heating body in a penetrating mode and is loose, the liquid guide cotton is fluffy, the liquid guide performance is good, and the liquid supply of the middle section can be met. However, since the liquid guide cotton is made of soft materials and the shape of the liquid guide cotton is irregular, when the liquid guide cotton rope and the heating element are loosely matched, the heating element and the cotton rope at local positions cannot be contacted, and the problems of oil frying and core pasting can be caused in the using process, so that the experience of consumers is influenced.

In order to solve the above problems, the present invention provides a heating element, a heating element assembly, and an atomizing device that are stable in atomization.

Referring to FIGS. 1 to 23, a heat-generating body 1 in some embodiments of the invention comprises a middle part 11 and end parts 12 respectively provided at both ends of the middle part 11, the middle part 11 being connected to the end parts 12 to heat the heat-generating body 1 by a thermal effect of resistance when the end parts 12 at both ends are energized, a containing space 13 for containing a conductive liquid 2 penetrating the end parts 12 and the middle part 11 being provided in the heat-generating body 1;

the cross-sectional area of the accommodation space 13 at the middle portion 11 is smaller than the cross-sectional area at the end portion 12.

The cross-sectional area of heat-generating body 1's accommodation space 13 in tip part 12 department is big, the cross-sectional area in middle part 11 department is little (the both ends space of heat-generating body 1's accommodation space 13 is great like this, the intermediate space is less), because it is even to lead the thickness of liquid 2 usually, will lead liquid 2 to wear to establish in heat-generating body 1's accommodation space 13 like this, both ends position heat-generating body 1 and lead liquid 2 cooperation pine, it is middle tighter, can satisfy the heat-generating body 1 and lead the cotton contact of liquid better when supplying liquid, the heating stability is good. The heating element 1 can be applied to an atomizer.

In some embodiments, referring to fig. 1-5 and 9-16, in a first radial direction 1a, the radial dimension of the accommodation space 13 at the central portion 11 is smaller than the radial dimension at the end portions 12; in the second radial direction 1b, the radial dimension of the receiving space 13 at the central portion 11 may be smaller than the radial dimension at the end portions 12, the first radial direction 1a being non-parallel to the second radial direction 1 b.

In other embodiments, referring to fig. 7-8 and 17-23, in the first radial direction 1a, the radial dimension of the accommodation space 13 at the central portion 11 is smaller than the radial dimension at the end portions 12; in the second radial direction 1b, the radial dimension of the receiving space 13 at the central portion 11 may also be greater than or equal to the radial dimension at the end portions 12, the first radial direction 1a not being parallel to the second radial direction 1 b.

The sectional area is an area of a section perpendicular to a penetrating direction of the accommodating space, and the radial direction is perpendicular to the penetrating direction of the accommodating space.

Preferably, the first radial direction 1a and the second radial direction 1b are perpendicular to the through direction of the accommodation space 13, the first radial direction 1a being perpendicular to the second radial direction 1 b.

FIGS. 1 to 23 show different structures of the heating body 1, which may have a spiral structure (see FIGS. 1 to 8) or a tubular structure (see FIGS. 9 to 23).

Referring to fig. 1 to 5, the heating element 1 is spiral. The heating element 1 may be formed by winding a heating wire. In some embodiments, referring to fig. 1 to 5, when the heating element 1 is in a filament-like spiral structure, the heating element may be wound in a spiral shape with a small inner diameter at the middle part and large inner diameters at the two ends, and then the liquid guide 2 is inserted into the accommodating space 13 of the heating element 1, so as to form a structure in which the heating element 1 is wound outside the liquid guide 2.

In other embodiments, referring to fig. 7-8, the structure can be formed by pressing and shaping the middle part 11 of the heating element 1 by the shaping tool 4, using a normal cylindrical spiral heating body, so as to achieve good contact between the heating element 1 and the liquid guiding body 2. The implementation is simple and convenient, the size is controllable, and the mass automatic production can be realized.

Referring to FIGS. 9 to 12, the heating element 1 is tubular, and a hollow structure 111 penetrating from the outside to the accommodating space 13 is provided on the middle portion 11. The middle portion 11 may include at least two annular portions 112 and connecting portions 113, the annular portions 112 are spaced apart in a penetrating direction of the accommodating space 13, two adjacent annular portions 112 are connected by the connecting portions 113, and two adjacent connecting portions 113 are circumferentially offset.

In some embodiments, referring to fig. 12, it is also possible to obtain a tubular metal having a thin end portion 12 of the middle portion 11 in a drawn manner and to obtain the tubular heat-generating body 1 having the hollow structure 111 by etching, cutting, punching or the like.

In other embodiments, referring to fig. 17-23, the heating element 1 is a tubular heating element, after the heating element is manufactured, the liquid guide 2 is inserted into the accommodating space 13 of the tubular heating element, and then the heating part of the round tubular heating element is pressed into a runway shape, an oval shape, a square shape, etc. by a shaping jig. According to the certain condition of girth, the area of circle is the biggest, can be through the middle part 11 shaping race track type, ellipse, square etc. shape with the district that generates heat of heat-generating body 1, the sectional area of the middle heating zone internal diameter of heat-generating body 1 is less than the regional internal diameter sectional area of tip part 12 like this, and the cotton of middle part 11 can be tighter when making up with drain 2, and tip part 12 can be looser, can reach tip part 12 pine feed liquor fast, the middle close contact good effect.

In the above embodiment, referring to fig. 1 to 5 and 13 to 16, the transition portion of the end portion 12 to the middle portion 11 is inclined, and the sectional area of the receiving space 13 may be gradually reduced from the end portion 12 to the middle portion 11.

Furthermore, in the above-described embodiments, referring to fig. 6 and 9-12, the cross-sectional area of the receiving space 13 may also be reduced in a stepwise manner from the end portion 12 to the middle portion 11.

The heating element of the present invention comprises the liquid guide 2 and the heating element 1, and fig. 1 to 23 show the combination structure of the heating element 1 and the liquid guide of the above various embodiments, and the liquid guide 2 is arranged in the containing space 13 of the heating element 1 in a matching way and contacts with the inner side of the heating element 1.

When the heating component is used for atomization, the liquid guide body 2 is in contact with liquid, and the liquid is conducted to the heating body 1 to be heated and atomized.

The liquid guide 2 may be a liquid guide cotton, such as a liquid guide cotton string. This heating element adopts foretell heat-generating body 1, heat-generating body 1 has the sectional area of tip part 12 big, middle part 11 sectional area is little (the both ends space of heat-generating body 1's accommodation space 13 is great like this, the intermediate space is less), it is even to lead the thickness of liquid 2 usually, will lead liquid 2 like this and wear to establish in heat-generating body 1's accommodation space 13, both ends position heat-generating body 1 is more loose with leading the cooperation of liquid 2, it is middle tighter, can satisfy the liquid supply while heat-generating body 1 with lead the cotton contact of liquid better, the heating stability is good.

Referring to fig. 24-26, an atomizing device according to an embodiment of the present invention includes a housing 3 and the above-mentioned heating element, a liquid storage chamber 31 is disposed in the housing 3, a liquid channel 32 and an air channel 33 are disposed on the housing 3, the liquid channel 32 is communicated with the liquid storage chamber 31 and leads to the liquid guide 2, so that the liquid guide 2 conducts the liquid to the heating element 1 for heating and atomizing. The atomization device adopts the heating component, the section area of the end part 12 of the heating body 1 is large, the section area of the middle part 11 is small (the two end spaces of the containing space of the heating body are larger, the middle space is smaller), the thickness of the liquid guide 2 is uniform, the liquid guide 2 is arranged in the containing space 13 of the heating body 1 in a penetrating way, and the two end positions generate heat

The body 1 and the liquid guide body 2 are matched loosely, the middle is tight, the heating body 1 and the liquid guide cotton can be contacted better while liquid supply is met, and the heating stability is good. This atomizing device can be applied to in the electron cigarette, and stock solution storehouse 31 is used for adorning the tobacco juice, and the tobacco juice is through liquid way 32 with lead the contact of liquid 2, conducts the heating body 1 heating atomization through leading liquid 2.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A heating element (1), characterized in that it comprises a middle portion (11) and an end portion (12) arranged at both ends of the middle portion (11) respectively, the middle portion (11) and the described middle portion (11). The end portions (12) are connected so that the heating body (1) generates heat when the end portions (12) at both ends are energized, and the heating body (1) is provided with a penetrating end portion (12) and the accommodation space (13) of the middle part (11);

The cross-sectional area of the receiving space (13) at the middle portion (11) is smaller than the cross-sectional area at the end portion (12).

2. The heating element (1) according to claim 1, characterized in that, on the first radial direction (1a), the radial dimension of the accommodating space (13) at the middle portion (11) is less than radial dimension at said end portion (12);

In the second radial direction (1b), the radial dimension of the accommodating space (13) at the middle portion (11) is smaller than the radial dimension at the end portion (12), the first The radial direction (1a) is not parallel to the second radial direction (1b).

3. The heating element (1) according to claim 1, characterized in that, on the first radial direction (1a), the radial dimension of the accommodation space (13) at the middle portion (11) is less than radial dimension at said end portion (12);

In the second radial direction (1b), the radial dimension of the accommodating space (13) at the middle portion (11) is greater than or equal to the radial dimension at the end portion (12), the The first radial direction (1a) is not parallel to the second radial direction (1b).

4. The heating element (1) according to claim 1, characterized in that the cross-sectional area of the accommodating space (13) gradually decreases in size from the end portion (12) to the middle portion (11) .

5 . The heating element ( 1 ) according to claim 1 , wherein the cross-sectional area of the accommodating space ( 13 ) changes stepwise from the end portion ( 12 ) to the middle portion ( 11 ). 6 . small transition.

6. The heating element (1) according to any one of claims 1-5, characterized in that, the heating element (1) is in a spiral shape.

7. The heating element (1) according to claim 4, characterized in that, the heating element (1) is formed by winding a heating wire.

8. The heating element (1) according to any one of claims 1-5, wherein the heating element (1) is tubular, and the middle portion (11) is provided with a penetrating space (11). 13) of the hollow structure (111).

9. A heating element, comprising a liquid conducting element (2) and a heating element (1) according to any one of claims 1-8, wherein the conducting liquid (2) is arranged in the accommodating space (13), Contact with the inner side of the heating element (1).

10. An atomizing device, comprising a housing (3) and a heating assembly according to claim 9, wherein a liquid channel (32) and an air channel (33) are provided on the housing (3), the liquid channel (32) leading to the liquid-conducting liquid (2), so that the liquid-conducting liquid (2) conducts the liquid to the heating element (1) for heating and atomization.