A heating wire, an atomizer and an electronic cigarette

Abstract

The application provides a heating wire, an atomizer and an electronic cigarette. The heating wire comprises a first heating section and a second heating section connected with each other. The resistance of the first heating section is greater than that of the second heating section. The first heating section and the second heating section are both provided with a heat conduction part for conducting heat at different heating temperatures, and a plurality of heat diffusion structures for diffusing heat. Each heat diffusion structure is distributed at the upper end and the lower end of the first heating section and the second heating section. The first heating section and the second heating section have a gap therebetween. The heating wire is used in the atomizer of the electronic cigarette. The two heating sections with different resistances can emit different heat which is conducted out through the heat conduction part. The heating wire can be used for heating and atomizing tobacco tar at different atomizing temperatures in the atomizer. When the two heating sections generate heat, the heat diffusion structures can rapidly diffuse the high temperature in the middle to the two ends, so that the tobacco tar is heated and atomized more uniformly and completely. Through the reserved gap, the tobacco tar can reach the heating wire more rapidly.

Description

Technical Field

[0001] This application relates to the field of electronic cigarette technology, and in particular to a heating wire, an atomizer, and an electronic cigarette. Background Technology

[0002] Currently, existing electronic cigarettes consist of a device and an atomizer. The atomizer contains a spring-shaped heating wire to heat the e-liquid. This type of heating wire not only has a constant resistance and heating temperature, but also has slow heat conduction. This means that the heating wire cannot be used to heat and atomize e-liquid at different atomization temperatures within the atomizer. Furthermore, when the heating wire is powered on, it heats up from the center first, and the heat is concentrated in the middle and cannot quickly spread to both ends. This leads to uneven heating of the e-liquid and incomplete atomization, which easily produces condensation. In addition, when this type of heating wire is wrapped in absorbent cotton, the gaps between the coils are small and uniform in size. The e-liquid cannot quickly pass through the absorbent cotton to reach the heating wire for heating and atomization. As a result, continuous vaping can cause the heating wire to burn dry, affecting its lifespan. Utility Model Content

[0003] The purpose of this application is to provide a heating wire, an atomizer, and an electronic cigarette, which solves the problems in the prior art of electronic cigarettes, such as the heating wire not being suitable for heating and atomizing e-liquid at different atomization temperatures in the atomizer, heat being concentrated in the middle of the heating wire and not being able to quickly diffuse to both ends, resulting in uneven heating and incomplete atomization of the e-liquid and easy condensation, and the e-liquid not being able to quickly pass through the absorbent cotton to reach the heating wire for heating and atomization, which leads to the heating wire burning dry during continuous vaping and affecting the service life of the heating wire.

[0004] A first aspect of this application provides a heating wire, including a first heating segment and a second heating segment connected together. The resistance of the first heating segment is greater than that of the second heating segment. Both the first heating segment and the second heating segment are provided with heat conduction parts for conducting different heating temperatures, and a plurality of heat diffusion structures for dissipating heat. Each heat diffusion structure is distributed at the upper and lower ends of the first heating segment and the second heating segment, and there is a gap between the first heating segment and the second heating segment.

[0005] In one embodiment, the heat conduction section includes a plurality of first through holes and second through holes, wherein the diameter of each first through hole is larger than the diameter of each second through hole.

[0006] In one embodiment, the resistance of the first heating segment is 0.8Ω to 1.4Ω; the resistance of the second heating segment is 0.1Ω to 0.7Ω.

[0007] In one embodiment, each of the first through holes is respectively opened at the middle position of the first heating segment and the second heating segment, and each of the first through holes is connected to each other. Each of the second through holes is respectively opened at both sides of the first heating segment and the second heating segment, and each of the second through holes is connected to each other.

[0008] In one embodiment, both the first heating segment and the second heating segment are arc-shaped, and the first heating segment and the second heating segment are made of one of the following materials: iron, nickel, stainless steel, or iron-chromium-aluminum alloy.

[0009] In one embodiment, the first heating segment is located below the second heating segment, and the gap is formed between the lower end of the first heating segment and the upper end of the second heating segment. Both the upper and lower ends of the first heating segment and the second heating segment are provided with a plurality of heat diffusion plates arranged in sequence, and a portion of the heat diffusion plates are provided with a plurality of heat dispersion plates at their top ends. Each heat diffusion plate and each heat dispersion plate constitute the heat diffusion structure.

[0010] In one embodiment, a first wire is connected to one side of the first heating segment, a second wire is connected to the other side of the first heating segment, one side of the second heating segment is connected to the first wire, and a third wire is connected to the other side of the second wire. The first heating segment is connected to the second heating segment through the first wire, and the first heating segment and the second heating segment are connected in series through the first wire.

[0011] A second aspect of this application provides an atomizer, including an oil tank and a heating wire as described above. The oil tank forms an oil storage cavity for storing e-liquid, and an atomizing tube is provided in the oil storage cavity. The heating wire is disposed inside the atomizing tube, and oil-absorbing cotton wrapped around the first heating section and the second heating section is also provided inside the atomizing tube. An oil inlet hole corresponding to the oil-absorbing cotton is opened on the atomizing tube, and the atomizing tube forms an atomizing channel for airflow and smoke exhaust. A base is provided at the bottom of the oil tank, and a first electrode and a second electrode electrically connected to the first heating section and the second heating section are provided at the bottom of the base.

[0012] In one embodiment, the atomizer further includes an oil sealing component, which is disposed in the oil tank to seal the oil storage chamber. The oil sealing component has a connecting channel, and the lower end of the atomizing tube is inserted into the connecting channel, so that the connecting channel communicates with the lower end of the atomizing channel. The bottom end of the base has an air intake channel communicating with the connecting channel. The oil tank has an exhaust pipe, and the upper end of the atomizing tube is inserted into the exhaust pipe. An exhaust channel communicating with the upper end of the atomizing channel is formed in the exhaust pipe. The top of the oil tank has a smoke outlet communicating with the exhaust channel. The outer wall of the oil tank has an oil filling hole communicating with the oil storage chamber, and an oil plug for sealing the oil filling hole.

[0013] A third aspect of this application provides an electronic cigarette, including a main unit and an atomizer as described above. The main unit has an adapter cavity and an air inlet communicating with the adapter cavity. A third electrode and a fourth electrode are provided on the bottom wall of the adapter cavity. The atomizer is inserted into the adapter cavity, and the first electrode abuts against the third electrode, and the second electrode abuts against the fourth electrode. The main unit has a battery cell and a power board. The battery cell is electrically connected to the power board, and the power board is electrically connected to the third electrode and the fourth electrode. The power board supplies power to the first heating element and the second heating element through the abutment of the first electrode against the third electrode and the abutment of the second electrode against the fourth electrode.

[0014] The heating wire, atomizer, and electronic cigarette of this application have the following beneficial effects: The heating wire, atomizer, and electronic cigarette of this application can generate different amounts of heat through two heating sections with different resistance values ​​of the heating wire, and the heat is conducted out through the heat conduction part. This allows the heating wire to be used to heat and atomize e-liquid at different atomization temperatures within the atomizer. By designing heat diffusion structures at both ends of the two heating sections, the high temperature in the middle can be quickly diffused to both ends when the two heating sections are heating, making the heating and atomization of the e-liquid more uniform and thorough. The gap reserved between the two heating sections allows the e-liquid to quickly pass through the absorbent cotton to reach the heating wire for heating and atomization, preventing the heating wire from dry burning during continuous vaping and affecting its service life. Attached Figure Description

[0015] The present application will now be described in detail with reference to the accompanying drawings, so that the above-mentioned advantages of the present application become clearer. Among them,

[0016] Figure 1 This is a schematic diagram of the heating wire structure of the electronic cigarette in this application;

[0017] Figure 2 This is a planar unfolded schematic diagram of the heating wire of the electronic cigarette in this application;

[0018] Figure 3 This is an exploded view of the atomizer of the electronic cigarette in this application;

[0019] Figure 4 This is a three-dimensional schematic diagram of the atomizer of the electronic cigarette in this application;

[0020] Figure 5 This is a schematic diagram of the internal structure of the atomizer of the electronic cigarette in this application;

[0021] Figure 6 This is a schematic diagram of the internal structure of the electronic cigarette in this application;

[0022] Figure 7 This is a diagram showing the airflow and smoke distribution during the operation of the electronic cigarette in this application. Detailed Implementation

[0023] The following will describe in detail the implementation methods of this application with reference to the accompanying drawings and embodiments, so as to fully understand how this application uses technical means to solve technical problems and achieve technical effects, and to implement it accordingly. It should be noted that, as long as there is no conflict, the various embodiments and features in each embodiment of this application can be combined with each other, and the resulting technical solutions are all within the protection scope of this application.

[0024] It should be noted that the specification of this application contains a large number of technical features distributed across various technical solutions. Listing all possible combinations of technical features (i.e., technical solutions) would make the specification overly lengthy. To avoid this problem, the various technical features claimed in the above-described utility model content, the various technical features claimed in the following embodiments and examples, and the various technical features claimed in the accompanying drawings can be freely combined to form various new technical solutions (all of which are considered to have been described in this specification), unless such a combination of technical features is technically infeasible. For example, in one example, feature A+B+C is claimed, and in another example, feature A+B+D+E is claimed. Features C and D are equivalent technical means that serve the same function, and technically only one needs to be used; it is impossible to use both simultaneously. Feature E can be technically combined with feature C. Therefore, the solution A+B+C+D should not be considered as having been described because it is technically infeasible, while the solution A+B+C+E should be considered as having been described.

[0025] In this application, the terms "upper", "lower", "top", "bottom", "inner", "outer", "side", "middle", etc., are based on the orientation or positional relationship shown in the accompanying drawings and are only for the purpose of describing and understanding the technology of this application, and are not intended to limit the device or component to have a specific orientation or to be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0026] like Figure 1-2As shown, this application provides a heating wire 5, including a first heating section 501 and a second heating section 502 connected to each other. The resistance of the first heating section 501 is greater than the resistance of the second heating section 502. The first heating section 501 and the second heating section 502 are each provided with a heat conduction part 511 for conducting different heating temperatures, and a plurality of heat diffusion structures 512 for dissipating heat. Each heat diffusion structure 512 is distributed at the upper and lower ends of the first heating section 501 and the second heating section 502. There is a gap 507 between the first heating section 501 and the second heating section 502. It should be noted that the two heating sections with different resistance values ​​of the heating wire 5 can generate different amounts of heat, which is conducted out through the heat conduction part 511. This allows the heating wire 5 to be used to heat and atomize e-liquid at different atomization temperatures within the atomizer. By designing heat diffusion structures 512 at both ends of the two heating sections, the high temperature in the middle can be quickly diffused to both ends when the two heating sections are heating, making the heating and atomization of the e-liquid more uniform and thorough. The gap 507 reserved between the two heating sections allows the e-liquid to quickly pass through the absorbent cotton 4 to reach the heating wire 5 for heating and atomization, preventing the heating wire 5 from burning dry during continuous vaping and affecting its service life.

[0027] In some embodiments, the heat conduction section 511 includes a plurality of first through holes 503 and second through holes 504, wherein the diameter of each first through hole 503 is larger than the diameter of each second through hole 504. The first through holes 503 and second through holes 504 serve as heat conduction media for the first heating section 501 and the second heating section 502, conducting the heat generated by the first heating section 501 and the second heating section 502 to heat the e-liquid. The larger diameter of the first through hole 503 conducts the temperature of the higher temperature regions of the first heating section 501 and the second heating section 502, while the smaller diameter of the second through hole 504 conducts the temperature of the lower temperature regions of the first heating section 501 and the second heating section 502, thereby achieving a more balanced heat conduction.

[0028] In some embodiments, the resistance of the first heating section 501 is 0.8Ω to 1.4Ω; the resistance of the second heating section 502 is 0.1Ω to 0.7Ω. Specifically, the resistance of the first heating section 501 can be 0.8Ω, 1.0Ω, 1.2Ω, or 1.4Ω, and the resistance of the second heating section 502 can be 0.1Ω, 0.3Ω, 0.5Ω, or 0.7Ω. The temperatures generated after energizing with the resistance values ​​listed above are suitable for heating and atomizing e-liquids with all atomization points available on the market. In this embodiment, the resistance of the first heating section 501 is preferably 1.2Ω, which can atomize all e-liquids with high atomization points. In this embodiment, the resistance of the second heating section 502 is preferably 0.5Ω, which can atomize all e-liquids with low atomization points.

[0029] In some embodiments, each first through hole 503 is respectively located in the middle of the first heating section 501 and the second heating section 502, and each first through hole 503 is connected to each other. Each second through hole 504 is respectively located on both sides of the first heating section 501 and the second heating section 502, and each second through hole 504 is connected to each other. It should be noted that after the heating wire 5 is energized, the middle part starts to heat up first, and then conducts heat to both sides. Therefore, the temperature in the middle is the highest and the temperature on both sides is lower. Thus, the large-diameter first through hole 503 located in the middle position can conduct out the high temperature quickly and in large quantities, while the small-diameter second through holes 504 located on both sides can conduct out the low temperature slowly and in smaller quantities. This makes the high-temperature area and the low-temperature area complementary, thereby achieving a temperature balance between the middle and both ends of the first heating section 501 and the second heating section 502.

[0030] In some embodiments, both the first heating segment 501 and the second heating segment 502 are arc-shaped, and are made of one of the following materials: iron, nickel, stainless steel, or iron-chromium-aluminum alloy. The arc shape of both heating segments concentrates heat, resulting in high heat utilization when used in an atomizer for heating e-liquid, while also reducing the space required to accommodate it. In this embodiment, the first heating segment 501 and the second heating segment 502 are preferably made of iron-chromium-aluminum alloy, which is not only resistant to e-liquid corrosion but also provides a gradual temperature rise during heating and prevents sublimation and thinning that could lead to changes in resistance and temperature over prolonged heating.

[0031] In some embodiments, the first heating segment 501 is located below the second heating segment 502, and a gap 507 is formed between the lower end of the first heating segment 501 and the upper end of the second heating segment 502. Both the upper and lower ends of the first heating segment 501 and the second heating segment 502 are provided with a plurality of heat diffusion plates 505 arranged in sequence, and a portion of the heat diffusion plates 505 are provided with a plurality of heat dispersion plates 506 at their top ends. Each heat diffusion plate 505 and each heat dispersion plate 506 constitute a heat diffusion structure 512. It should be noted that when the heating wire 5 is wrapped inside the absorbent cotton 4 of the atomizer, the gap 507 will no longer compress the absorbent cotton 4. At this time, the e-liquid can quickly pass through the absorbent cotton 4, preventing the absorbent cotton 4 from being squeezed by the heating wire 5, which would cause slow e-liquid intake and insufficient e-liquid supply during continuous vaping, resulting in the heating wire 5 burning dry and affecting its service life. Specifically, when the heating wire 5 is powered on, the middle position of the first heating section 501 and the second heating section 502 heats up and conducts heat to both sides. The heat diffusion plate 505 can diffuse the temperature to the upper and lower ends of the first heating section 501 and the second heating section 502, and then the heat dispersion plate 506 disperses it, so that the heat of the first heating section 501 is located in the upper, middle, lower, left and right positions of the second heating section 502, so that the e-liquid in all parts of the absorbent cotton 4 can be heated evenly, thereby achieving thorough e-liquid atomization and preventing the production of excessive condensate.

[0032] In some embodiments, a first wire 508 is connected to one end of the first heating segment 501, and a second wire 509 is connected to the other end of the first heating segment 501. One end of the second heating segment 502 is connected to the first wire 508, and a third wire 510 is connected to the other end of the second wire 509. The first heating segment 501 is connected to the second heating segment 502 through the first wire 508, and the first heating segment 501 and the second heating segment 502 are connected in series through the first wire 508. The first wire 508, the second wire 509, and the third wire 510 are used to electrically connect the first heating segment 501 and the second heating segment 502. The first heating segment 501 and the second heating segment 502 are connected in series through the first wire 508, allowing the first heating segment 501 and the second heating segment 502 with different resistance values ​​to be matched with different voltages for heating, thereby preventing a reduction in the service life of the heating wire 5 due to voltage and resistance mismatch.

[0033] like Figure 3-5As shown, this application also provides an atomizer, including an oil tank 1 and a heating wire 5 as described above. The oil tank 1 forms an oil storage cavity 101 for storing e-liquid. An atomizing tube 3 is provided in the oil storage cavity 101. The heating wire 5 is disposed in the atomizing tube 3. The atomizing tube 3 is also provided with oil-absorbing cotton 4 wrapped around the first heating section 501 and the second heating section 502. An oil inlet hole 302 corresponding to the oil-absorbing cotton 4 is opened on the atomizing tube 3. The atomizing tube 3 forms an atomizing channel 301 for airflow and smoke exhaust. A base 7 is provided at the bottom of the oil tank 1. A first electrode 8 and a second electrode 9 electrically connected to the first heating section 501 and the second heating section 502 are provided at the bottom of the base 7. The atomizing tube 3 is used to isolate the e-liquid in the oil storage chamber 101. The e-liquid in the oil storage chamber 101 can enter the oil-absorbing cotton 4 through the oil inlet 302. After the heating wire 5 is energized, the first heating section 501 and the second heating section 502 can heat up, and then heat the e-liquid in the oil-absorbing cotton 4 to produce smoke. The base 7 is used to seal the bottom of the oil tank 1. After the heating wire 5 is installed in the atomizing tube 3, the first wire 508 abuts against the first electrode 8, and the second wire 509 and the third wire 510 abut against the second electrode 9, thereby forming an electrical connection between the first heating section 501 and the second heating section 502 and the first electrode 8 and the second electrode 9.

[0034] In some embodiments, the atomizer further includes an oil sealing element 6, which is disposed in the oil tank 1 to seal the oil storage chamber 101. The oil sealing element 6 has a connecting channel 601, and the lower end of the atomizing tube 3 is inserted into the connecting channel 601, so that the connecting channel 601 communicates with the lower end of the atomizing channel 301. The bottom end of the base 7 has an air intake channel 701 communicating with the connecting channel 601. The oil tank 1 is provided with an exhaust pipe 103, and the upper end of the atomizing tube 3 is inserted into the exhaust pipe 103. An exhaust channel 104 communicating with the upper end of the atomizing channel 301 is formed in the exhaust pipe 103. The top of the oil tank 1 has an exhaust port 105 communicating with the exhaust channel 104. The outer wall of the oil tank 1 is provided with an oil filling hole 102 communicating with the oil storage chamber 101, and an oil plug 2 for sealing the oil filling hole 102. Among them, the oil sealing component 6 is made of silicone, which is soft and easy to assemble. It has a large deformation coefficient and is good for sealing the oil storage chamber 101. The connecting channel 601 is used to connect the lower end of the atomizing tube 3 and connects the atomizing channel 301 and the air intake channel 701. The air intake channel 701 is used to introduce air into the atomizing channel 301 to drive the smoke flow. The smoke exhaust pipe 103 is used to connect the upper end of the atomizing tube 3 and connect the atomizing channel 301 and the smoke outlet 105. The smoke outlet 105 is used to exhaust the smoke. The oil filling hole 102 is used to fill the oil storage chamber 101 with oil. The oil plug 2 is used to seal the oil filling hole 102 after filling with oil.

[0035] like Figure 6As shown, this application also provides an electronic cigarette, including a main unit 10 and an atomizer as described above. The main unit 10 is provided with an adapter cavity 1001 and an air inlet 1002 communicating with the adapter cavity 1001. The bottom wall of the adapter cavity 1001 is provided with a third electrode 1003 and a fourth electrode 1004. The atomizer is inserted into the adapter cavity 1001, and a first electrode 8 abuts against the third electrode 1003, and a second electrode 9 abuts against the fourth electrode 1004. The main unit 10 is provided with a battery cell 1005 and a power board 1006. The battery cell 1005 is electrically connected to the power board 1006. The power board 1006 is electrically connected to the third electrode 1003 and the fourth electrode 1004. The power board 1006 supplies power to the first heating section 501 and the second heating section 502 through the first electrode 8 abutting against the third electrode 1003 and the second electrode 9 abutting against the fourth electrode 1004. The adapter cavity 1001 is used to adapt to the atomizer, the air inlet 1002 is used to introduce air into the adapter cavity 1001, and then enter the atomization channel 301 through the air inlet channel 701. The battery cell 1005 is used to supply power to the power board 1006 to enable its electronic control function. The power board 1006 is used to supply power to the first heating section 501 and the second heating section 502 to heat the e-liquid to produce vapor.

[0036] The following detailed description uses preferred embodiments.

[0037] like Figure 1-6As shown, the electronic cigarette of this application includes: a heating wire 5, an atomizer, and a main unit 10. The heating wire 5 includes a first heating section 501 and a second heating section 502. Both the first heating section 501 and the second heating section 502 are arc-shaped to concentrate the heat after heating. This not only ensures high heat utilization when heating e-liquid within the atomizer but also reduces the space required to accommodate it. The resistances of the first heating section 501 and the second heating section 502 are 1.2Ω and 0.5Ω, respectively, to generate different amounts of heat after being powered on, allowing the addition of e-liquid at different atomization temperatures. Multiple large-diameter, interconnected first through holes 503 are provided in the middle of section 502 to conduct heat from the higher center position. Multiple smaller-diameter, interconnected second through holes 504 are provided on both sides of the first heating section 501 and the second heating section 502 to conduct heat from the lower sides. The first heating section 501 is located below the second heating section 502. A gap 507 is provided between the lower end of the first heating section 501 and the upper end of the second heating section 502 to allow for faster e-liquid supply. Multiple sequentially arranged... The heat diffuser 505 is used to diffuse heat to the upper and lower ends of the first heating section 501 and the second heating section 502. A portion of the heat diffuser 505 has multiple heat dispersion plates 506 at its top to disperse the heat and ensure even heating of the e-liquid. A first wire 508 is connected to one end of the first heating section 501, and a second wire 509 is connected to the other end. One end of the second heating section 502 is connected to the first wire 508, and a third wire 510 is connected to the other end of the second wire 509. The first heating section 501... The first wire 508 is connected to the second heating segment 502, and the first heating segment 501 is connected in series with the second heating segment 502 through the first wire 508. The first wire 508, the second wire 509, and the third wire 510 are used to electrically connect the first heating segment 501 and the second heating segment 502. The first heating segment 501 and the second heating segment 502 are connected in series through the first wire 508, which allows the first heating segment 501 and the second heating segment 502 with different resistance values ​​to be matched with different voltages to generate heat, thereby preventing the lifespan of the heating wire 5 from being reduced due to voltage and resistance mismatch.

[0038] The atomizer includes: an oil tank 1, an oil plug 2, an atomizing tube 3, absorbent cotton 4, an oil sealing element 6, a base 7, a first electrode 8, and a second electrode 9. The oil tank 1 forms an oil storage chamber 101 for storing e-liquid. The atomizing tube 3 is installed inside the oil tank 1 to isolate the e-liquid in the oil storage chamber 101 and to accommodate the heating wire 5 and the absorbent cotton 4. The heating wire 5 is wrapped inside the absorbent cotton 4 and then installed together inside the atomizing tube 3. The atomizing tube 3 has an oil inlet 302 corresponding to the absorbent cotton 4 for introducing oil into the oil storage chamber 101. E-liquid is introduced into the absorbent cotton 4, and then heated and atomized by the heating wire 5 to produce smoke. The atomizing tube 3 forms an atomization channel 301 for airflow and smoke exhaust. The sealing component 6 is installed in the oil tank 1 to seal the oil storage cavity 101. The sealing component 6 has a connecting channel 601 for connecting the lower end of the atomizing tube 3. The lower end of the atomizing tube 3 is inserted into the connecting channel 601, so that the connecting channel 601 communicates with the lower end of the atomization channel 301 for airflow. The oil tank 1 is provided with an exhaust pipe 103 for connecting... The upper end of the atomizing tube 3 is inserted into the exhaust pipe 103. The exhaust pipe 103 forms an exhaust channel 104 communicating with the upper end of the atomizing channel 301 for exhausting smoke. The top of the oil tank 1 has an outlet 105 communicating with the exhaust channel 104 for exhausting smoke. The outer wall of the oil tank 1 has an oil filling hole 102 communicating with the oil storage chamber 101 for filling the oil storage chamber 101. An oil plug 2 is installed at the oil filling hole 102 of the oil tank 1 to seal the oil filling hole 102 after filling. The base... 7 is installed in the bottom opening of the oil tank 1 to seal the bottom of the oil tank 1. The bottom of the base 7 has an air intake channel 701 that communicates with the connecting channel 601 for air intake. The first electrode 8 and the second electrode 9 are installed at the bottom of the base 7 for conductive connection to the heating wire 5. The first wire 508 abuts against the first electrode 8, and the second wire 509 and the third wire 510 abut against the second electrode 9, thereby forming a first heating section 501 and a second heating section 502 that are electrically connected to the first electrode 8 and the second electrode 9.

[0039] The main unit 10 has an adapter cavity 1001 for accommodating an atomizer. The lower end of the atomizer is inserted into the adapter cavity 1001. The bottom wall of the adapter cavity 1001 has a third electrode 1003 that abuts against the first electrode 8 for conductive connection to the atomizer, and a fourth electrode 1004 that abuts against the second electrode 9 for conductive connection to the atomizer. The main unit 10 has a battery cell 1005 and a power board 1006. The battery cell 1005 is electrically connected to the power board 1006 to supply power to the power board 1006 to enable it to start. The device has a dynamic electronic control function. The power board 1006 is electrically connected to the third electrode 1003 and the fourth electrode 1004. The power board 1006 supplies power to the first heating section 501 and the second heating section 502 through the first electrode 8 abutting against the third electrode 1003 and the second electrode 9 abutting against the fourth electrode 1004, so that they heat up to heat the e-liquid to produce smoke. The main unit 10 has an air inlet 1002 that communicates with the adapter cavity 1001 to allow air to enter the adapter cavity 1001 and provide atomizing airflow to the atomizer.

[0040] like Figure 7 As shown in the specific embodiment of this application, the airflow and smoke direction during the use of the electronic cigarette are specifically described. After the power board 1006 powers on the first heating section 501 and the second heating section 502, the first heating section 501 and the second heating section 502 can heat up, and then the e-liquid in the absorbent cotton 4 is heated to produce smoke. At the smoke outlet 105 of the mouth-to-mouth atomizer, the external airflow can enter the adapter cavity 1001 from the air inlet 1002, and then enter the atomization channel 301 from the connecting channel 601 through the air inlet channel 701. Then, the smoke generated by the heating wire 5 heating the e-liquid is discharged from the smoke outlet 105 through the smoke exhaust channel 104 for the user to inhale.

[0041] Finally, it should be noted that the above are merely preferred embodiments of this application and are not intended to limit this application. Although this application 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 this application should be included within the protection scope of this application.

Claims

1. A heating wire, characterized in that, It includes a first heating segment and a second heating segment connected together. The resistance of the first heating segment is greater than that of the second heating segment. Both the first heating segment and the second heating segment are provided with heat conduction parts for conducting different heating temperatures, as well as multiple heat diffusion structures for dissipating heat. Each heat diffusion structure is distributed at the upper and lower ends of the first heating segment and the second heating segment, and there is a gap between the first heating segment and the second heating segment.

2. The heating wire according to claim 1, characterized in that, The heat conduction section includes a plurality of first through holes and second through holes, wherein the diameter of each first through hole is larger than the diameter of each second through hole.

3. The heating wire according to claim 1, characterized in that, The resistance of the first heating segment is 0.8Ω to 1.4Ω; the resistance of the second heating segment is 0.1Ω to 0.7Ω.

4. The heating wire according to claim 2, characterized in that, Each of the first through holes is respectively opened at the middle position of the first heating segment and the second heating segment, and each of the first through holes is connected to each other. Each of the second through holes is respectively opened at the two sides of the first heating segment and the second heating segment, and each of the second through holes is connected to each other.

5. The heating wire according to claim 1, characterized in that, Both the first heating segment and the second heating segment are arc-shaped, and are made of one of the following materials: iron, nickel, stainless steel, or iron-chromium-aluminum alloy.

6. The heating wire according to claim 1, characterized in that, The first heating segment is located below the second heating segment, and the gap is formed between the lower end of the first heating segment and the upper end of the second heating segment. Both the upper and lower ends of the first heating segment and the second heating segment are provided with a plurality of heat diffusion plates arranged in sequence, and a portion of the heat diffusion plates are provided with a plurality of heat dispersion plates at their top ends. Each heat diffusion plate and each heat dispersion plate constitute the heat diffusion structure.

7. The heating wire according to claim 6, characterized in that, One end of the first heating segment is connected to a first wire, and the other end of the first heating segment is connected to a second wire. One end of the second heating segment is connected to the first wire, and the other end of the second wire is connected to a third wire. The first heating segment is connected to the second heating segment through the first wire, and the first heating segment and the second heating segment are connected in series through the first wire.

8. An atomizer, characterized in that, The device includes an oil reservoir and a heating wire as described in any one of claims 1 to 7. The oil reservoir forms an oil storage chamber for storing e-liquid. An atomizing tube is provided in the oil storage chamber. The heating wire is disposed inside the atomizing tube. Oil-absorbing cotton wrapped around the first heating section and the second heating section is also provided inside the atomizing tube. An oil inlet hole corresponding to the oil-absorbing cotton is opened on the atomizing tube. The atomizing tube forms an atomizing channel for airflow and smoke exhaust. A base is provided at the bottom of the oil reservoir. A first electrode and a second electrode electrically connected to the first heating section and the second heating section are provided at the bottom of the base.

9. The atomizer according to claim 8, characterized in that, The atomizer also includes an oil sealing component, which is disposed in the oil tank to seal the oil storage chamber. The oil sealing component has a connecting channel, and the lower end of the atomizing tube is inserted into the connecting channel, so that the connecting channel communicates with the lower end of the atomizing channel. The bottom end of the base has an air intake channel communicating with the connecting channel. The oil tank has an exhaust pipe, and the upper end of the atomizing tube is inserted into the exhaust pipe. An exhaust channel communicating with the upper end of the atomizing channel is formed in the exhaust pipe. The top of the oil tank has an exhaust port communicating with the exhaust channel. The outer wall of the oil tank has an oil filling hole communicating with the oil storage chamber, and an oil plug for sealing the oil filling hole.

10. An electronic cigarette, characterized in that, The device includes a main unit and an atomizer as described in any one of claims 8 to 9. The main unit has an adapter cavity and an air inlet communicating with the adapter cavity. A third electrode and a fourth electrode are provided on the bottom wall of the adapter cavity. The atomizer is inserted into the adapter cavity, and the first electrode abuts against the third electrode and the second electrode abuts against the fourth electrode. The main unit has a battery cell and a power board. The battery cell is electrically connected to the power board. The power board is electrically connected to the third electrode and the fourth electrode. The power board supplies power to the first heating segment and the second heating segment through the abutment of the first electrode against the third electrode and the abutment of the second electrode against the fourth electrode.

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