CN219679779U - High-strength high-atomization-efficiency electronic heating atomization core and device - Google Patents

Abstract

The utility model provides a high-strength high-atomization-efficiency electronic heating atomization core and a device, wherein the electronic heating atomization core comprises a support frame, a heating part and a liquid guide part, the heating part comprises a flat heating part, a fixing part and an electrode part, the first part and the second part are alternately arranged and electrically connected to form a heating circuit, and an angle between the first part and the second part is more than or equal to 10 degrees and less than or equal to 80 degrees. The electronic heating atomizing device comprises a shell and the electronic heating atomizing core, and the electronic heating atomizing core is connected with the shell. Because the heating element is fixed on the supporting frame, a heating element with strength is formed, so that the heating element has higher strength; the heating circuit formed by the electric connection of the first part and the second part is one, and the angle design of the first part and the second part is beneficial to the heating part to have a larger resistance value, so that the heating temperature and the atomization efficiency are higher, and the high strength and the high atomization efficiency are both considered.

Description

High-strength high-atomization-efficiency electronic heating atomization core and device

Technical Field

The utility model relates to the technical field of electronic heating atomization, in particular to an electronic heating atomization core with high strength and high atomization efficiency and an electronic heating atomization device.

Background

The electronic heating atomization technology is that liquid is heated electrically to reach boiling point to produce vapor and air to mix to form aerosol. The electronic heating atomizer generally comprises a heating element and a liquid guide element, wherein the liquid guide element can absorb and conduct the liquid, and a microporous material is generally adopted, and the working principle is that liquid is conducted from a liquid storage end to the heating element through capillary micropores in the liquid guide element. The air flow entering the electronically heated atomizer brings the fumes outside.

At present, the electronic heating atomizing device is widely applied to the field of electronic cigarettes, and mainly atomizes liquid into gas from liquid through the electronic atomizing device. The atomizing core is a core piece of the atomizer, and the mode of using fiber liquid guiding cotton as a liquid guiding material and matching with the planar heating plate has good effect, and the fiber liquid guiding cotton has a large gap, so that macromolecules in liquid can easily pass through, and the fiber liquid guiding cotton is easy to obtain, natural, environment-friendly and nontoxic. The plane heating plate is controllable in size, the heating area is strong in designability, the heating area can be accurately controlled, but problems exist, namely, the heating plate is difficult to support and limit liquid guiding cotton due to the limitation of using conditions, some atomizing cores are combined with the heating plate by a frame body with higher strength, the strength is improved, and problems exist: the frame body absorbs heat easily, so that the heating temperature of the heating sheet is influenced, and the atomization efficiency of the heating body is low.

Accordingly, in view of the above-described problems, there is a need to provide an electron heating atomizing core and an electron heating atomizing device that combine high strength and high atomizing efficiency.

Disclosure of Invention

The utility model aims to overcome the defects in the related art and provide an electronic heating atomizing core and an electronic heating atomizing device with high strength and high atomizing efficiency.

The technical scheme adopted by the utility model for solving the technical problems comprises the following steps: the utility model provides a high-strength high atomization efficiency's electron heating atomizing core, including the support frame, be used for heating the atomizing heating element of liquid and be used for conducting the liquid to the drain spare of heating element, the support frame includes first side, with the second side that the first side is opposite, set up the first opening of first side and set up the second opening of second side, first opening and second opening intercommunication, the heating element is set up in first side, the heating element includes flat heating portion, connect the fixed part of heating portion and be used for with external circuit electric connection electrode part of heating portion, the heating portion includes a plurality of first parts that extend along the first direction and a plurality of second parts that incline relative to the first direction, first part and second part alternate set up and electric connection form a heating circuit, the heating circuit is located in the first opening, the fixed part with electrode part is set up in the periphery of heating portion and fixed on the support frame, the electrode extends to outside the support frame; an angle between the first portion and the second portion is greater than or equal to 10 degrees and less than or equal to 80 degrees;

the liquid guide piece is in contact with the heating piece.

Preferably, the angle between the first portion and the second portion is 20 degrees or more and 40 degrees or less.

Preferably, on a plane where the heat generating portion is located, an area of the first opening occupied by the heat generating portion is less than or equal to 3/4 of an area of the first opening.

Preferably, on a plane where the heat generating portion is located, an area of the first opening occupied by the heat generating portion is greater than or equal to 1/2 of an area of the first opening.

Preferably, the fixing part comprises a connecting rib and a fixing end part, two ends of the connecting rib are respectively connected with the heating part and the fixing end part, the fixing end part is fixed on the supporting frame, and the cross section area of part of the connecting rib is smaller than the cross section area of the heating circuit.

Preferably, the fixing part comprises a fixing end part and at least two spaced connecting ribs, the fixing end part is fixed on the supporting frame, and the cross section area of each connecting rib is smaller than that of the heating circuit.

Preferably, the connecting ribs are arranged at two ends of the first portion, the first portion extends along the first direction, and the fixing end portion is arranged at one end, far away from the heating circuit, of the connecting ribs and is fixed on the supporting frame.

Preferably, the number of the fixing portions is at least two and is provided at both ends of the heat generating portion in the first direction, respectively, and the number of the electrode portions is at least two and is provided at both ends of the heat generating portion in the second direction, respectively, the first direction being perpendicular to the second direction.

Preferably, the liquid guiding member is arranged on the first side of the supporting frame and is attached to the first side and the heating member, and the liquid guiding member is supported by the first side of the supporting frame and the heating member.

Preferably, the cross-sectional area of the electrode part is larger than the cross-sectional area of the heat generating circuit.

Preferably, the first portion and the second portion are connected end to end.

Preferably, each of said first portions is substantially parallel to each other.

Preferably, each of said second portions is substantially parallel to each other or is axisymmetric about said first portion of one of them.

Preferably, the fixing portion and the electrode portion are embedded in the supporting frame, and the first side is substantially flush with the surface of the heat generating element to form an integrally flat surface.

The technical scheme adopted by the utility model for solving the technical problems comprises the following steps: an electronic heating atomization device is provided, which comprises a shell and the electronic heating atomization core, wherein the electronic heating atomization core is connected with the shell.

The implementation of the technical scheme of the utility model has at least the following beneficial effects: the heating element of the electronic heating atomizing core and the electronic heating atomizing device is fixed on the supporting frame to form a heating element with strength, so that the heating element has higher strength, is not easy to deform and better supports the liquid guide element; the first portion and the second portion electric connection form generate heat the circuit and be a strip, and in addition first portion and the angle design of second portion are favorable to on the plane that the portion that generates heat is located, the portion that generates heat has great resistance value under the equal circumstances of the first open-ended area that the portion that generates heat occupies, reaches higher temperature that generates heat, improves atomization efficiency to this electron heating atomizing core compromise high strength and high atomization efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of an electronically heated atomizing core in accordance with one embodiment of the present utility model.

Fig. 2 is an exploded view of the electronically heated atomizing core of fig. 1.

Fig. 3 is an exploded view of the electronically heated atomizing core of fig. 1.

Fig. 4 is a perspective view of a support bracket of the electrically heated atomizing core of fig. 3.

Fig. 5 is a perspective view of a first embodiment of a heat generating member of the electronically heated atomizing core of fig. 3.

Fig. 6 is a partial enlarged view of the P portion in fig. 5.

Fig. 7 is a top view of a second embodiment of a heat generating member of the electronically heated atomizing core of fig. 3.

Fig. 8 is a top view of a third embodiment of a heat generating member of the electronically heated atomizing core of fig. 3.

Fig. 9 is a top view of a fourth embodiment of a heat generating member of the electronically heated atomizing core of fig. 3.

Fig. 10 is a bottom view of the electrically heated atomizing core of fig. 1.

Fig. 11 is a cross-sectional view of the position A-A of fig. 10.

Fig. 12 is a cross-sectional view of the B-B position of fig. 10.

Fig. 13 is a schematic structural view of a heat generating circuit of the heat generating member of fig. 2-3.

Fig. 14 is a cross-sectional view of an electrically heated atomizer according to an embodiment of the present utility model.

Reference numerals in the drawings denote: the electronic heating atomizing core 1, the support 11, the first side 111, the second side 112, the first opening 113, the second opening 114, the heating element 12, the heating part 121, the heating circuit 1210, the first part 1211, the second part 1212, an angle R between the first part 1211 and the second part 1212, the fixing part 122, the connecting rib 1221, the fixing end 1222, the electrode part 123, the atomizing surface 124, the liquid inlet surface 125, the liquid guide element 13, the housing 21, the liquid storage bin 211, the air inlet 212, the air outlet 213, the external electrode 214, the first direction 31 and the second direction 32.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. It will be appreciated that unless specifically stated or limited otherwise, if the terms such as "mounted," "connected," "secured," "disposed," and the like are used herein, they are to be construed broadly and as such, they may be either fixedly connected or detachably connected, or as a unit; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. If the terms "first," "second," "third," etc. are used herein merely for convenience in describing the present technology, they are not to be interpreted as indicating or implying a relative importance or implying a number of such features in order to such extent that the features defining "first," "second," "third," etc. can explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model 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 utility model with unnecessary detail.

Referring to fig. 1-13, the high-intensity and high-atomization-efficiency electronic heating atomization core 1 in one embodiment of the utility model comprises a support frame 11, a heating element 12 for heating and atomizing liquid and a liquid guide element 13 for conducting the liquid to the heating element 12, wherein the support frame 11 comprises a first side 111, a second side 112 opposite to the first side 111, a first opening 113 arranged on the first side 111 and a second opening 114 arranged on the second side 112, the first opening 113 is communicated with the second opening 114, the heating element 12 is arranged on the first side 111 of the support frame 11, the heating element 12 comprises a flat heating part 121, a fixing part 122 connected with the heating part 121 and an electrode part 123 electrically connected with the heating part 121 and used for being electrically connected with an external circuit, and referring to fig. 13, the heating part 121 comprises a plurality of first parts 1211 extending along a first direction 31 and a plurality of second parts 1212 inclined relative to the first direction 31, the first parts 1211 and the second parts 1212 are arranged alternately and electrically connected to form a heating line 1210, 1210 is arranged in the first part 113 and the fixing part 122 and is arranged on the fixing part 123 and is arranged on the outer periphery of the support frame 11, and is electrically connected with the electrode part 123 and is arranged on the fixing part 123; the angle R between the first portion 1211 and the second portion 1212 is greater than or equal to 10 degrees and less than or equal to 80 degrees, preferably, the angle R between the first portion 1211 and the second portion 1212 is greater than or equal to 20 degrees and less than or equal to 40 degrees, so that the heat generating portion 121 has a larger resistance value, achieves a higher heat generating temperature and improves atomization efficiency under the condition that the area of the first opening 113 occupied by the heat generating portion 121 is equal on the plane of the heat generating portion 121;

the liquid guide 13 is disposed in contact with the heat generating member 12.

When the electronic heating atomizing core 1 works, the liquid guide member 13 is in contact with external liquid, and the liquid is conducted to the heating member 12 for heating atomization.

The heating element 12 is fixed on the supporting frame 11, so that the heating element 12 with strength is formed, the surface of the heating element 12 and the supporting frame 11, which is contacted with the liquid guide 13, is an atomization surface 124, and the area of the heating circuit 1210 of the heating element 12, which is contacted with the liquid guide 13, is an atomization area. The heating element 12 is fixed on the supporting frame 11, so that the heating element has higher strength, is not easy to deform and better supports the liquid guide element 13. The heat generating circuit 1210 formed by electrically connecting the first portion 1211 and the second portion 1212 is one, and the design of the angle R between the first portion 1211 and the second portion 1212 is beneficial to the fact that the heat generating portion 121 has a larger resistance value and achieves a higher heat generating temperature and improves the atomization efficiency under the condition that the area of the first opening 113 occupied by the heat generating portion 121 is equal on the plane where the heat generating portion 121 is located, so that the electronic heating atomization core has both high strength and high atomization efficiency.

Preferably, on the plane on which the heat generating portion 121 is located, the area of the first opening 113 occupied by the heat generating portion 121 is less than or equal to 3/4 of the area of the first opening 113. It is further preferable that the area of the first opening 113 occupied by the heat generating portion 121 is greater than or equal to 1/2, that is, between 1/2 and 3/4 of the area of the first opening 113 on the plane on which the heat generating portion 121 is located. The above consideration of the area of the first opening 113 occupied by the heat generating portion 121 is: when the electronic heating atomization core 1 is used in the field of electronic cigarettes, liquid needs to reach a boiling point instantly and stably to generate atomization steam for a user to suck, the common atomization temperature is between 200 ℃ and 300 ℃, namely, the heating element 12 can generate high temperature, and the heating element 12 is connected with the supporting frame 11, so that the supporting frame 11 needs to be high in temperature resistance, harmful substances cannot be generated, and the physical and chemical performance temperature of the electronic heating atomization core can be guaranteed in the using process. The electrically heated atomizing core 1 therefore designs the heat generating circuit 1210 of the heat generating element 12 as: on the plane of the heat generating portion 121, the area of the first opening 113 occupied by the heat generating portion 121 is less than or equal to 3/4 of the area of the first opening 113, preferably less than or equal to 3/4 of the area of the first opening 113, so as to reduce the temperature transmission of the heat generating element 12 to the support frame 11, reduce the influence of the temperature on the support frame 11, keep the heat generating circuit 1210 of the heat generating element 12 to reach a higher temperature, and ensure atomization efficiency.

Preferably, the fixing portion 122 includes a connecting rib 1221 and a fixing end portion 1222, two ends of the connecting rib 1221 are respectively connected with the heating portion 121 and the fixing end portion 1222, the fixing end portion 1222 is arranged at one end of the connecting rib 1221 far away from the heating portion 121, the fixing end portion 1222 is fixed on the supporting frame 11, and therefore, the cross-sectional area of a part of the connecting rib 1221 is smaller than that of the heating line 1210, the strength of the heating element 12 can be effectively ensured, and meanwhile, the heat of the heating line 1210 is reduced and conducted onto the supporting frame 11 through the fixing portion 122, so that the materials of the frame body are more abundant, the cost is lower, the heat is applied to the heating line 1210 for heating and atomizing liquid, the energy utilization rate is higher, and performance degradation of the supporting frame 11 caused by high temperature is avoided.

Preferably, the fixing portion 122 includes a fixing end 1222 and at least two connecting ribs 1221 separated from each other and not directly connected, the fixing end 1222 is fixed on the supporting frame 11, the cross-sectional area of each connecting rib 1221 is smaller than that of the heating circuit 1210, so that the strength of the heating element 12 can be effectively ensured, and meanwhile, the heat of the heating circuit 1210 is reduced to be conducted to the supporting frame 11 through the fixing portion 122, so that the materials of the frame body are more abundant, the cost is lower, the heat is applied to the heating circuit 1210 for heating and atomizing liquid, the energy utilization rate is higher, and the performance degradation of the supporting frame 11 caused by high temperature is avoided.

Referring to fig. 7, in one embodiment, the connection ribs 1221 are disposed at both ends of the first portion 1211 of the heat generating circuit 1210, the first portion 1211 extends along the first direction 31, and the fixing end 1222 is disposed at an end of the connection ribs 1221 remote from the heat generating circuit 1210 and is fixed to the support frame 11, in other words, each of the first portion 1211 of the heat generating circuit 1210 and the connection ribs 1221 at both ends thereof are in a straight shape, so that the fixing end 1222 is fixed to the support frame 11, so that the connection ribs 1221 and the first portion 1211 of the heat generating circuit 1210 have good strength and are not easily deformed, and support the heat generating component 12.

Referring to fig. 8, in another embodiment, the number of the fixing portions 122 is at least two and is provided at both ends of the heat generating portion 121 in the first direction 31, respectively, and the number of the electrode portions 123 is at least two and is provided at both ends of the heat generating portion 121 in the second direction 32, respectively, the first direction 31 being perpendicular to the second direction 32.

Preferably, the liquid guide 13 is disposed on the first side 111 of the support frame 11 and is attached to the first side 111 and the heat generating element 12, and the first side 111 of the support frame 11 and the heat generating element 12 support the liquid guide 13, so that the heat generating element 12 is equivalent to a liquid guide cotton bag.

Preferably, the cross-sectional area of the electrode portion 123 is larger than that of the heating circuit 1210, so that the resistance occupied by the electrode portion 123 is small, heat is concentrated on the thinner heating circuit 1210, the energy utilization rate is high, and the atomization efficiency is ensured. In addition, the electrode portion 123 may extend out of the supporting frame 11, so as to be conveniently electrically connected to an external circuit to form a circuit for supplying power to the heating element 12.

Preferably, the first portion 1211 and the second portion 1212 are joined end to form the heat generating trace 1210.

Preferably, the respective first portions 1211 are substantially parallel to one another.

Preferably, referring to fig. 5, 7 and 8, each of the second portions 1212 is substantially parallel to each other, or referring to fig. 9, each of the second portions 1212 is symmetrical with respect to the first portion 1211 of one of the second portions 1211, so that the supporting force provided by the heat generating circuit 1210 is uniform throughout, and the resistance value is advantageously increased.

Preferably, the fixing portion 122 and the electrode portion 123 are embedded in the supporting frame 11, and the first side 111 of the supporting frame 11 is substantially flush with the surface of the heat-generating member 12, forming an overall flat surface. The so-called substantially flush may be completely flush or may be approximately flush; the whole may be completely flat or substantially flat. Therefore, the surface of the liquid guide cotton, the first side 111 of the support frame 11 and the surface of the heating element 12, which are attached, can be kept basically flat, and meanwhile, due to the combination of the fixing part 122 of the heating element 12 and the support frame 11, the heating element 12 has strength, so that the attachment of the heating element 12 and the liquid guide element 13 is more stable, and the atomization is more stable; in addition, the electrode portion 123 is embedded in the supporting frame 11, which is also advantageous for further improving the strength of the heat generating member 12. The relatively flat surface that heating element 12 and support frame 11 formed, it is flat on the subsides liquid guide 13, just can guarantee that the contact basis of heating element and liquid guide 13 is good like liquid guide cotton, liquid guide cloth or liquid guide fabric etc. simultaneously the contact pressure of each position is the same, just so can guarantee that each position of liquid guide 13 receives the extrusion force comparatively unanimously, can guarantee the unanimity of liquid guide efficiency. One flat surface of the liquid-guiding cotton is contacted with the heating element, the surface is an atomization surface 124, the flat surface opposite to the atomization surface 124 is a liquid inlet surface 125, the external liquid is contacted with the liquid inlet surface 125, and the external liquid is conducted to the heating element 12 through the liquid-guiding element 13 to be heated and atomized. When the electronic heating atomizing core 1 is applied to an electronic heating atomizer, liquid is stored in a liquid storage bin 211 of the atomizer, a liquid guide material is filled in a port communicated with the outside of the liquid storage bin 211, the upper surface of a liquid guide piece 13 can be in contact with liquid in the liquid inlet surface 125 and the liquid storage bin 211, the liquid is conducted to the lower surface, the lower surface is in contact with a heating body, when two electrodes of the heating body are powered, the heating body generates heat due to the thermal effect of resistance, the liquid on the liquid guide piece 13 is heated to the boiling point and evaporated, and atomized steam is generated.

Referring to fig. 14, an electronic heating atomizer according to an embodiment of the present utility model includes a housing 21 and the above-described electronic heating atomizer core 1, and the electronic heating atomizer core 1 is connected to the housing 21. The shell 21 is provided with a liquid storage bin 211, an air inlet 212, an air outlet 213 and an external electrode 214, the liquid storage bin 211 is communicated with liquid guide, and the air inlet 212 and the air outlet 213 are communicated with an atomization area of the atomization core. The external electrode 214 is electrically connected to the electrode portion 123 of the atomizing core, and is used for being connected to an external circuit to supply power to the heating element 12 of the atomizing core. When in use, the liquid guide member 13 conducts the liquid in the liquid storage bin 211 to the heating member 12 for heating and atomization, external air enters from the air inlet 212, and atomized steam is carried out from the air outlet 213.

The heating element 12 of the high-strength high-atomization-efficiency electronic heating atomization core 1 and the electronic heating atomization device is fixed on the supporting frame 11, so that the high-strength high-atomization-efficiency electronic heating atomization core has higher strength, is not easy to deform and better supports the liquid guide element 13. The heat generating circuit 1210 formed by electrically connecting the first portion 1211 and the second portion 1212 is one, and the design of the angle R between the first portion 1211 and the second portion 1212 is beneficial to the heat generating portion 121 having a larger resistance value, reaching a higher heat generating temperature and improving the atomization efficiency under the condition that the area of the first opening 113 occupied by the heat generating portion 121 is equal on the plane of the heat generating portion 121, thereby achieving both high strength and high atomization efficiency. On the plane of the heat generating portion 121, the area of the first opening 113 occupied by the heat generating portion 121 is less than or equal to 3/4, preferably between 1/2 and 3/4, of the area of the first opening 113, so as to reduce the temperature transmission of the heat generating element 12 to the support frame 11, reduce the influence of the temperature on the support frame 11, keep the heat generating line 1210 of the heat generating element 12 to reach a higher temperature, and ensure the atomization efficiency. The angle R between the first portion 1211 and the second portion 1212 of the heat generating element 12 is less than 60 degrees, which is advantageous for having a larger resistance value under the same area.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications, combinations and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.

Claims (15)

1. An electronic heating atomizing core (1) with high strength and high atomizing efficiency is characterized by comprising a supporting frame (11), a heating element (12) for heating and atomizing liquid and a liquid guiding element (13) for conducting the liquid to the heating element (12), wherein the supporting frame (11) comprises a first side (111), a second side (112) opposite to the first side (111), a first opening (113) arranged on the first side (111) and a second opening (114) arranged on the second side (112), the first opening (113) is communicated with the second opening (114), the heating element (12) is arranged on the first side (111), the heating element (12) comprises a flat heating part (121), a fixing part (122) connected with the heating part (121) and an electrode part (123) electrically connected with an external circuit, the heating part (121) comprises a plurality of first parts (1211) extending along a first direction (31) and a plurality of second openings (114) arranged on the second side (112), the heating part (12) is arranged in a plurality of first parts (1211) and the first parts (1210) are electrically connected with the first parts (1210) in a certain manner, the fixing part (122) and the electrode part (123) are arranged on the periphery of the heating part (121) and fixed on the supporting frame (11), and the electrode part (123) extends out of the supporting frame (11); an angle between the first portion (1211) and the second portion (1212) is 10 degrees or more and 80 degrees or less;

the liquid guide piece (13) is arranged in contact with the heating piece (12).

2. The electrically heated atomizing core (1) of claim 1, wherein an angle between said first portion (1211) and said second portion (1212) is 20 degrees or greater and 40 degrees or less.

3. The electrically heated atomizing core (1) according to claim 1, characterized in that, on a plane in which said heat generating portion (121) is located, an area of said first opening (113) occupied by said heat generating portion (121) is less than or equal to 3/4 of an area of said first opening (113).

4. The electrically heated atomizing core (1) according to claim 2, characterized in that, on a plane on which said heat generating portion (121) is located, an area of said first opening (113) occupied by said heat generating portion (121) is greater than or equal to 1/2 of an area of said first opening (113).

5. The electrically heated atomizing core (1) according to claim 1, wherein the fixing portion (122) includes a connecting rib (1221) and a fixing end portion (1222), both ends of the connecting rib (1221) are respectively connected to the heat generating portion (121) and the fixing end portion (1222), the fixing end portion (1222) is fixed on the support frame (11), and a part of the connecting rib (1221) has a cross-sectional area smaller than that of the heat generating line (1210).

6. The electrically heated atomizing core (1) of claim 1, wherein said securing portion (122) includes a securing end (1222) and at least two spaced apart connecting ribs (1221), said securing end (1222) being secured to said support bracket (11), each of said connecting ribs (1221) having a cross-sectional area less than a cross-sectional area of said heat generating circuit (1210).

7. The electrically heated atomizing core (1) of claim 5 or 6, wherein said connecting ribs (1221) are provided at both ends of said first portion (1211), said first portion (1211) extends in the first direction (31), and said fixed end (1222) is provided at an end of said connecting ribs (1221) remote from said heat generating circuit (1210) and is fixed to said supporting frame (11).

8. The electrically heated atomizing core (1) according to claim 7, wherein the number of the fixing portions (122) is at least two and is provided at both ends of the heat generating portion (121) in the first direction (31), respectively, and the number of the electrode portions (123) is at least two and is provided at both ends of the heat generating portion (121) in the second direction (32), respectively, the first direction (31) being perpendicular to the second direction (32).

9. An electrically heated atomizing core (1) according to any of claims 1-6, characterized in that said liquid guiding member (13) is provided at said first side (111) of said supporting frame (11) in contact with said first side (111) and said heat generating member (12), said first side (111) of said supporting frame (11) and said heat generating member (12) supporting said liquid guiding member (13).

10. An electrically heated atomizing core (1) according to any of claims 1-6, characterized in that the cross-sectional area of said electrode portion (123) is larger than the cross-sectional area of said heat generating circuit (1210).

11. The electrically heated atomizing core (1) of any of claims 1-6, wherein said first portion (1211) and said second portion (1212) are joined end to end.

12. An electrically heated atomizing core (1) according to any of claims 1-6, characterized in that each of said first portions (1211) are substantially parallel to each other.

13. An electrically heated atomizing core (1) according to any of claims 1-6, characterized in that each of said second portions (1212) is substantially parallel to each other or is axisymmetric with respect to said first portion (1211) of one of said portions.

14. An electrically heated atomizing core (1) according to any of claims 1-6, characterized in that said fixing portion (122) and said electrode portion (123) are embedded in said support frame (11), said first side (111) being substantially flush with the surface of said heat generating element (12), forming an overall flat surface.

15. An electrically heated atomizing device, characterized by comprising a housing (21) and an electrically heated atomizing core (1) according to any of claims 1-14, the electrically heated atomizing core (1) being connected to the housing (21).