A heating assembly, an atomizer and an electronic cigarette

Abstract

The application discloses a heating assembly, an atomizer and an electronic cigarette. The heating assembly comprises a structure-fixed oil absorption body and an electric heating element. An airflow channel is arranged in the oil absorption body. The electric heating element is arranged on a channel wall of the airflow channel. The electric heating element is electrically connected with a pin. The heating assembly can effectively block the heating cavity, avoid oil leakage, facilitate assembly, and avoid the problems of flying oil and burnt electric heating element.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic cigarettes, in particular to a heating assembly, an atomizer and an electronic cigarette. BACKGROUND

[0002] At present, the transverse heating assembly in the conventional atomizer is a cotton core matched with an electric heating element, and the cotton core has small heating capacity, uneven oil guiding, and is prone to burning cotton, oil dripping, oil leakage, oil flying and airflow disorder. SUMMARY

[0003] The present application aims to provide a heating assembly, an atomizer and an electronic cigarette, and solve the problems of small heating capacity, uneven oil guiding, and being prone to burning cotton, oil dripping, oil leakage, oil flying and airflow disorder in the prior art.

[0004] The technical solution adopted by the present application to solve the technical problem is: a heating assembly, comprising a structure-fixed oil absorbing body and an electric heating element, wherein the oil absorbing body is provided with an airflow channel, the electric heating element is arranged on the channel wall of the airflow channel, and the electric heating element is electrically connected with a pin.

[0005] As an implementation form, the oil absorbing body has a hollow region and serves as the airflow channel, one end of the oil absorbing body is necked and protrudes to form a first protruding body along the extension direction of the airflow channel, and the airflow channel penetrates through the oil absorbing body and the first protruding body.

[0006] As an implementation form, the opposite sides of the oil absorbing body respectively protrude outward to form second protruding bodies.

[0007] As an implementation form, the electric heating element is at least one of a mesh shape, a sheet shape, a spiral shape and a lattice shape.

[0008] As an implementation form, the electric heating element is in a sheet shape, and a plurality of through holes are formed in the sheet-shaped electric heating element.

[0009] As an implementation form, the electric heating element is arranged on the channel wall corresponding to at least one of the second protruding bodies of the airflow channel; or the electric heating element is arranged on at least one channel wall not corresponding to the two second protruding bodies of the airflow channel; or the electric heating elements are distributed on each side channel wall of the airflow channel.

[0010] As an implementation form, the pin is connected to the electric heating element, or the pin is electrically connected to the electric heating element through a conductive member.

[0011] As an implementation form, the pin is electrically connected with the electric heating element through a conductive piece arranged on an end of the first protruding body away from the oil absorbing body.

[0012] As an implementation form, the cross-sectional shape of the airflow passage includes at least one of a circle, a square, a triangle, a rectangle, and a polygon.

[0013] The electric heating element is made of a conductive metal, graphene, or carbon nanomaterial; and the oil absorbing body is made of ceramic or mica.

[0014] The application also provides another aspect of an atomizer including an oil storage body and the heating assembly described above, wherein the oil storage body is formed with an oil storage cavity, and one end of the oil storage body is open and provided with a sealing plug for sealing the oil storage cavity.

[0015] The heating assembly includes a structure-fixed oil absorbing body and an electric heating element, the oil absorbing body is provided with an airflow passage, the electric heating element is arranged on a passage wall of the airflow passage, and the electric heating element is electrically connected with a pin.

[0016] The sealing plug is formed with a heating cavity, the oil storage cavity is provided with a smoke guide pipe for guiding out smoke generated by heating, the smoke guide pipe leads to the heating cavity, the oil absorbing body is mounted in the heating cavity, and the airflow passage communicates with the smoke guide pipe.

[0017] As an implementation form, the oil absorbing body has a hollow region and serves as the airflow passage, one end of the oil absorbing body is necked and protrudes to form a first protruding body along an extension direction of the airflow passage, and the airflow passage penetrates through the oil absorbing body and the first protruding body.

[0018] The sealing plug includes a sealing body and a third protruding body necked and protruded relative to the sealing body, the sealing body seals the oil storage cavity, the third protruding body extends into the oil storage cavity and communicates with the smoke guide pipe, an end of the third protruding body is concave to form the heating cavity, one end of the heating cavity is communicated with a passage, the first protruding body is inserted into the passage and tightly surrounded by a wall of the passage.

[0019] As an implementation form, opposite two sides of the oil absorbing body respectively protrude outward to form second protruding bodies, two sides in the heating cavity are formed with clamping grooves, the second protruding bodies are respectively clamped in the corresponding clamping grooves, and outer walls of the third protruding body are provided with oil inlet holes respectively arranged opposite to end portions of the second protruding bodies.

[0020] As an implementation form, one end of the oil reservoir body is provided with a smoking port, the smoke guide pipe is communicated with the smoking port, and a gas guide member for guiding air into the channel is mounted in the end of the oil reservoir body away from the smoking port.

[0021] The application further provides an electronic cigarette comprising the heating assembly or the atomizer.

[0022] It should be noted that a large number of technical features are described in the specification of the present application, which are distributed in various technical solutions. If all possible combinations (i.e. technical solutions) of technical features of the present application are listed, the specification will be too long. In order to avoid this problem, each technical feature disclosed in the above summary of the application, each technical feature disclosed in the following embodiments and examples, and each technical feature disclosed in the drawings can be freely combined to form various new technical solutions (which are considered to have been described in the specification), unless such combination of technical features is technically infeasible. For example, features A+B+C are disclosed in one example, features A+B+D+E are disclosed in another example, features C and D are equivalent technical means that play the same role, and only one of them can be used technically, and feature E can be combined with feature C technically. Therefore, the solution of A+B+C+D should not be considered to have been described because it is technically infeasible, and the solution of A+B+C+E should be considered to have been described.

[0023] The heating assembly and the atomizer of the present application have the following beneficial effects: the heating assembly of the present application can effectively seal the heating cavity by designing the structure of the oil suction body, avoiding the problem of oil leakage, facilitating assembly, and avoiding the problems of oil flying and burning out of the electric heating element. BRIEF DESCRIPTION OF DRAWINGS

[0024] The present application will be described in detail below with reference to the accompanying drawings, so that the above advantages of the present application are more apparent. Among them,

[0025] Figure 1 is an exploded view of the heating assembly and the atomizer of the present application;

[0026] Figure 2 is a perspective view of the heating assembly and the atomizer of the present application;

[0027] Figure 3 is a front view of the heating assembly and the atomizer of the present application;

[0028] Figure 4 is a side view of the heating assembly and the atomizer of the present application;

[0029] Figure 5 is the oil absorption body diagram of the heating assembly and the atomizer of the present application;

[0030] Figure 6 is the airflow direction diagram of the heating assembly and the atomizer of the present application;

[0031] Figure 7 is the oil absorption body diagram of the second embodiment of the present application;

[0032] Figure 8 is the oil absorption body diagram of the third embodiment of the present application. DETAILED DESCRIPTION

[0033] The embodiments of the present application will be described in detail below with reference to the accompanying drawings and embodiments, so that the technical means applied by the present application to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, each embodiment in the present application and each feature in each embodiment can be combined with each other, and the technical solutions formed thereby are within the protection scope of the present application.

[0034] Specifically, as shown in Figure 1 In order to solve the shortcomings of the prior art, in one specific embodiment of the present application, the heating assembly includes a structure-fixed oil absorption body 3 and an electric heating element 305, the oil absorption body 3 is provided with an airflow passage 303, the electric heating element 305 is arranged on the passage 403 wall of the airflow passage 303, and the electric heating element 305 is electrically connected with a pin 304. It should be noted that by providing the airflow passage 303 in the oil absorption body 3 for use in the atomizer, smooth airflow, uniform oil guiding, large heating capacity, and no oil leakage, oil flying, and electric heating element 305 burning out can be achieved.

[0035] In some examples, the oil absorption body 3 has a hollow region and serves as the airflow passage 303, one end of the oil absorption body 3 is necked and protrudes to form a first protruding body 301 along the extension direction of the airflow passage 303, and the airflow passage 303 penetrates through the oil absorption body 3 and the first protruding body 301. Among them, the outer shape of the airflow passage 303 includes but is not limited to at least one of a circular shape, a square shape, a triangular shape, a racetrack shape, a rectangular shape, a quadrilateral shape, and a polygonal shape. The three shapes of the present embodiment are preferred, which are convenient for processing and convenient for arranging heating wires. Among them, the first protruding body 301 and the oil absorption body are integrally formed structures of the same material.

[0036] In some examples, the opposite sides of the oil absorption body 3 respectively protrude outward to form a second protruding body 302. Among them, the second protruding body 302 and the oil absorption body are also integrally formed structures of the same material.

[0037] Among them, the electric heating element 305 includes but is not limited to at least one of a mesh shape, a sheet shape, a spiral shape, and a grid shape.

[0038] In some examples, the electric heating element 305 is in a sheet shape, and a plurality of through holes are formed in the sheet-shaped electric heating element 305. It should be noted that the sheet-shaped electric heating element 305 has a large heating area, and the heating atomization area is wide and the generated smoke is large, and the through holes can be used for smoke and air exhaust.

[0039] In some examples, the electric heating element 305 is arranged on the channel 403 wall corresponding to the at least one second protruding body 302 of the airflow channel 303; or the electric heating element 305 is arranged on the at least one channel 403 wall not corresponding to the two second protruding bodies 302 of the airflow channel 303; or the electric heating element 305 is distributed on each side channel 403 wall of the airflow channel 303.

[0040] The pin 304 is connected to the electric heating element 305, or the pin 304 is electrically connected to the electric heating element 305 through a conductive member.

[0041] In some examples, the pin 304 is electrically connected to the electric heating element 305 through a conductive member, and the conductive member is arranged on the end of the first protruding body 301 away from the oil absorbing body 3. In this embodiment, the pin 304 is connected to the electric heating element 305 or the conductive member by welding connection, and the welding connection is firm and will not appear open circuit.

[0042] In some examples, the cross-sectional shape of the airflow channel 303 includes but is not limited to at least one of a circular shape, a square shape, a triangular shape, a rectangular shape, and a polygonal shape; the electric heating element 305 is made of a conductive metal, graphene or a carbon nanomaterial; and the oil absorbing body 3 is made of ceramic or mica. In this embodiment, the electric heating element 305 is made of a conductive metal. In this embodiment, the Fe+Cr+Al alloy metal material and the replaceable Ni+Gr alloy metal material are preferred, which have good oxidation resistance and durability. In this embodiment, the oil absorbing body 3 is made of ceramic material, which has fast oil absorption and high temperature resistance.

[0043] On the other hand, the present application also provides an atomizer, which comprises an oil storage body 2 and the heating assembly described above, and the oil storage body 2 forms an oil storage cavity 203 therein, and one end of the oil storage body 2 is open and is provided with a sealing plug for sealing the oil storage cavity 203.

[0044] The heating assembly comprises a structure-fixed oil absorbing body 3 and an electric heating element 305, the oil absorbing body 3 is provided with an airflow channel 303, the electric heating element 305 is arranged on the channel 403 wall of the airflow channel 303, and the electric heating element 305 is electrically connected with a pin 304.

[0045] The sealing plug is provided with a heating cavity 402, the oil storage cavity 203 is provided with a smoke guide pipe 202 for guiding the smoke generated by heating, the smoke guide pipe 202 is communicated with the heating cavity 402, the oil absorbing body 3 is installed in the heating cavity 402, and the airflow channel 303 is communicated with the smoke guide pipe 202.

[0046] In some examples, the oil absorbing body 3 has a hollow region and serves as the airflow channel 303, one end of the oil absorbing body 3 is necked and protrudes to form a first protruding body 301 along the extension direction of the airflow channel 303, and the airflow channel 303 penetrates through the oil absorbing body 3 and the first protruding body 301.

[0047] In some examples, the sealing plug comprises a sealing body and a third protruding body 401 protruding relative to the sealing body, the sealing body seals the oil storage cavity 203, the third protruding body 401 extends into the oil storage cavity 203 and is communicated with the smoke guide pipe 202, an end of the third protruding body 401 is concave to form the heating cavity 402, one end of the heating cavity 402 is communicated with a channel 403, the first protruding body 301 is inserted into the channel 403 and is tightly surrounded by the wall of the channel 403. The sealing plug is made of rubber, latex, silica gel, plastic or other gel. By inserting the first protruding body 301 into the channel, the channel is extruded by the structure-fixed first protruding body 301 without gap, which can avoid oil leakage and facilitate assembly.

[0048] In some examples, the second protruding body 302 is formed on the opposite sides of the oil absorbing body 3, the heating cavity 402 is provided with clamping grooves on the two sides, the second protruding body 302 is clamped in the corresponding clamping groove, and the outer wall of the third protruding body 401 is provided with oil inlet holes 404 arranged opposite to the ends of the second protruding body 302. It should be noted that the second protruding body 302 can completely cover the oil inlet hole 404, the tobacco tar in the oil storage cavity 203 can be directly guided into the oil absorbing body 3 after entering the oil inlet hole 404, the second protruding body 302 is matched with the heating cavity 402 and is clamped in the clamping groove, so that there is no gap between the second protruding body 302 and the sealing plug, the heating cavity 402 is blocked, and the tobacco tar is prevented from flowing out. The shape of the clamping groove is generally U-shaped and is formed on the two sides of the heating cavity 402.

[0049] In some examples, one end of the oil storage body 2 is provided with a smoke suction port 201, the smoke guide pipe 202 is communicated with the smoke suction port 201, the oil storage body 2 is provided with an air guide member 5 at the end away from the smoke suction port 201, the air guide member 5 is used for guiding air flow to the channel 403, and the other end of the air guide member 5 is provided with a first conductive member 7 and a second conductive member 8 which are electrically connected with the lead 304 and are isolated from each other.

[0050] In another aspect, the application also provides an electronic cigarette comprising the heating assembly or the atomizer.

[0051] Example 1

[0052] As Figures 1-5The heating assembly and the atomizer of the embodiment include the oil absorbing cotton 1, the oil reservoir body 2, the oil absorbing body 3, the sealing plug 4, the air guide 5, the magnetic attraction 6, the first conductive part 7, and the second conductive part 8. The oil reservoir body 2 is internally formed with an oil storage cavity 203 and a heating cavity 402 for storing oil. The top of the oil reservoir body 2 is provided with a smoking port 201 for smoking. The oil reservoir body 2 is internally protruded from the smoking port 201 to form a smoke guide pipe 202 for guiding smoke. The sealing plug 4 is installed in the oil reservoir body 2 for sealing the oil storage cavity 203. The sealing plug 4 includes a sealing body. The upper end of the sealing body is necked and axially protruded to form a third protruding body 401. The top of the third protruding body 401 is internally recessed to form the heating cavity 402 for atomizing tobacco tar. The bottom wall of the heating cavity 402 is provided with a passage 403. The passage 403 penetrates through the sealing plug 4. The smoke guide pipe 202 is inserted into the heating cavity 402 from the top of the third protruding body 401 for communicating with the heating cavity 402 to guide air and discharge smoke. The smoke guide pipe 202 is internally installed with the oil absorbing cotton 1 for absorbing condensed tobacco tar generated in the smoke guide pipe 202. The outer wall of the third protruding body 401 is provided with an oil inlet hole 404 on each side for oil inlet. The oil absorbing body 3 is hollow inside to form an airflow passage 303. The lower end of the oil absorbing body 3 is protruded to form a first protruding body 301. The airflow passage 303 penetrates through the oil absorbing body 3 and the first protruding body 301 for air flow. The outer wall of the oil absorbing body 3 is respectively protruded to form a second protruding body 302 on each side. An electric heating element 305 is arranged on the inner wall of the airflow passage 303 for heating tobacco tar. The first protruding body 301 is respectively provided with two conductive parts 306 on each side. Each conductive part 306 is respectively connected with the electric heating element 305. A pin 304 is respectively welded on each conductive part 306 for electric connection. The two pins 304 extend outside the bottom of the first protruding body 301. The oil absorbing body 3 is installed in the heating cavity 402 for heating tobacco tar. The airflow passage 303 of the oil absorbing body 3 communicates with the heating cavity 402 for air flow. The oil inlet hole 404 is opposite to the second protruding body 302 of the oil absorbing body 3 for absorbing tobacco tar. The first protruding body 301 is inserted into the passage 403 for plugging the heating cavity 402 to prevent oil leakage. The two sides of the heating cavity 402 are formed with clamping grooves. The second protruding body 302 is respectively clamped in the corresponding clamping groove.The oil storage body 2 is internally provided with a gas guide member 5 at the lower end. The upper end of the gas guide member 5 is internally recessed to form an oil leakage collection space 505 for collecting oil leakage. The lower end of the sealing plug 4 is sleeved on the outer circumferential wall of the oil leakage collection space 505 formed by the internal recess of the upper end of the gas guide member 5, and the oil leakage collection space 505 is opposite to the air flow channel 303 and is used for collecting oil leakage. The outer circumferential wall of the gas guide member 5 is internally recessed to form an annular groove 504. A plurality of first gas guide holes 501 and second gas guide holes 507 for air flow are respectively arranged on the two sides of the wall of the annular groove 504. The annular groove 504 is internally recessed on the outer circumferential wall of the gas guide member 5, and a closed gas guide space 506 is formed between the annular groove 504 and the inner wall of the oil storage body 2 for air flow. The first gas guide holes 501 and the second gas guide holes 507 are both located in the gas guide space 506. The bottom of the gas guide member 5 is internally provided with a first conductive member 7 and a second conductive member 8 which are electrically connected with the lead 304 and are isolated from each other. The bottom of the gas guide member 5 is provided with an air inlet hole 502 for air inlet and an oil injection hole 503 for oil injection. The air inlet hole 502 is communicated with the first gas guide hole 501 for air flow. Each first gas guide hole 501 is communicated with each second gas guide hole 507 through the gas guide space 506. Each second gas guide hole 507 is communicated with the oil leakage collection space 505 for air flow. The magnetic attraction member 6 is arranged in the oil injection hole 503 at the bottom of the gas guide member 5 for plugging the oil injection hole 503 after oil injection.

[0053] In the embodiment, the oil absorption body 3 is internally hollow to form a rectangular air flow channel 303. The sheet-shaped electric heating element 305 is arranged on the inner wall corresponding to the two sides of the air flow channel 303 and the second protruding body 302. A plurality of through holes are arranged on the sheet-shaped electric heating element 305. The lead 304 is covered in the oil absorption body 3.

[0054] As shown in Figure 6 , the gas flow direction of the heating assembly and the atomizer is specifically illustrated. Air enters the air inlet hole 502 at the bottom of the gas guide member 5, then enters the gas guide space 506 through the first gas guide hole 501, then enters the oil leakage collection space 505 through the second gas guide hole 507, then enters the air flow channel 303 of the oil absorption body 3 and the heating cavity 402 through the channel 403 in the sealing plug 4, and drives the smoke generated by the heating of the oil absorption body 3 in the heating cavity 402 to enter the smoke guide pipe 202 from the heating cavity 402, is filtered by the oil absorption cotton 1, and is smoked from the smoking port 201.

[0055] Embodiment 2

[0056] As shown in Figure 7As shown, the difference from Embodiment 1 is that: the oil-absorbing body 3 has a hollow interior forming a circular airflow channel 303, the lower end of the oil-absorbing body 3 is constricted and convex along the axial direction to form a first convex extension 301, the airflow channel 303 passes through the oil-absorbing body 3 and the first convex extension 301, the outer walls of the oil-absorbing body 3 are constricted on both sides and convex along the radial direction to form a second convex extension 302, and an arc-shaped grid-like electric heating element 305 is provided on the inner wall of the airflow channel 303, one end of the two pins 304 is respectively welded to the electric heating element 305, and the other end of the two pins 304 extends out of the end of one end of the first convex extension 301.

[0057] Example 3

[0058] like Figure 8 As shown, the difference from Embodiment 1 is that: the oil-absorbing body 3 has a hollow interior forming a rectangular airflow channel 303, the lower end of the oil-absorbing body 3 is constricted and convex along the axial direction to form a first convex extension 301, the airflow channel 303 passes through the oil-absorbing body 3 and the first convex extension 301, the outer walls of the oil-absorbing body 3 are constricted on both sides and convex along the radial direction to form a second convex extension 302, and a sheet-like electric heating element 305 is provided on the inner wall of the airflow channel 303 on the side not corresponding to the second convex extension 302. The sheet-like electric heating element 305 has multiple through holes, one end of two pins 304 is respectively welded to the electric heating element 305, and the other end of the two pins 304 extends out of the end of one end of the first convex extension 301.

[0059] An electric heating element 305 is disposed on the inner wall of the airflow channel 303. At least two conductive elements 306 connected to the electric heating element 305 are provided at one end of the first protruding body 301. At least two pins 304 are connected at one end to the conductive elements 306, and the other end of the at least two pins 304 extends outside one end of the first protruding body 301.

[0060] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A heat generating component, characterized by The oil absorption body is provided with an airflow channel, and the electric heating element is arranged on the channel wall of the airflow channel.

2. The heat generating component of claim 1, wherein, The electric heating element is in at least one of a mesh shape, a sheet shape, a spiral shape, and a lattice shape.

3. The heat generating assembly of claim 2, wherein, The electric heating element is in a sheet shape, and a plurality of through holes are arranged on the electric heating element.

4. A heat generating assembly according to claim 2 or 3, c h a r a c t e r i z e d in that The electric heating element is arranged on the channel wall corresponding to at least one of the second protruding bodies of the airflow channel; or the electric heating element is arranged on at least one channel wall not corresponding to the two second protruding bodies of the airflow channel; or the electric heating element is distributed on each side channel wall of the airflow channel.

5. The heat generating component of claim 1, wherein, The electrically conductive member is arranged on the end of the first protruding body away from the oil absorption body.

6. The heat generating component of claim 1, wherein, The cross-sectional shape of the airflow channel includes at least one of a circular shape and a square shape. The electric heating element is made of an electrically conductive metal or a carbon nanomaterial-containing material, and the oil absorption body is made of ceramic or mica.

7. An atomiser characterised in that, The oil storage device includes an oil storage body and the heating assembly according to any one of claims 1-6, and the oil storage body is provided with an oil storage cavity. The sealing plug is provided with a heating cavity, the oil storage cavity is provided with a smoke guide pipe for guiding smoke generated by heating, the smoke guide pipe is connected to the heating cavity, the oil absorption body is arranged in the heating cavity, and the airflow channel is connected to the smoke guide pipe.

8. The atomizer of claim 7, wherein, The oil absorption body has a hollow region and serves as the airflow channel, one end of the oil absorption body is necked and protrudes in the extension direction of the airflow channel to form a first protruding body, and the airflow channel penetrates through the oil absorption body and the first protruding body. The sealing plug includes a sealing body and a third protruding body necked and protruding relative to the sealing body, the sealing body seals the oil storage cavity, the third protruding body extends into the oil storage cavity and is connected to the smoke guide pipe, an end of the third protruding body is concave to form the heating cavity, one end of the heating cavity is connected to a channel, the first protruding body is inserted into the channel and is tightly surrounded by the wall of the channel.

9. The atomizer of claim 8, wherein, Two sides of the heating cavity are provided with clamping grooves, the second protruding bodies are respectively clamped in the corresponding clamping grooves, and the outer wall of the third protruding body is provided with oil inlet holes respectively arranged opposite to the ends of the second protruding bodies.

10. The atomizer of claim 7, wherein, One end of the oil storage body is provided with a smoke suction port, the smoke guide pipe is connected to the smoke suction port, an end of the oil storage body away from the smoke suction port is provided with an air guide member for guiding air flow to the channel, and the other end of the air guide member is provided with a first electrically conductive member and a second electrically conductive member electrically connected to the pins and isolated from each other.

11. An electronic cigarette, characterized in that A heating assembly according to any one of claims 1 to 6 or an atomiser according to any one of claims 7 to 10.

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