A heating sheet for atomizer, atomizer and electronic cigarette

Abstract

The present invention provides a heating sheet for an atomizer, an atomizer and an electronic cigarette, wherein the heating sheet for an atomizer comprises a supporting member, a heating member and an extraction electrode are provided on the supporting member, and the heating member is connected to the extraction electrode; a plurality of through holes are provided on the supporting member or the heating member. The heating sheet of the atomizer adopts a heating sheet with a mesh structure, which heats more evenly, does not burn the tobacco oil, guides the oil smoothly, atomizes fully and has good stability; the condensed liquid is refluxed through the supporting inclined surface, penetrates into the oil-guiding cotton through the through hole of the heating sheet and enters the atomization chamber for further atomization, the tobacco oil has a high reduction degree, the smoke volume is full, and it has a better atomization taste, which solves the problem that the condensed tobacco oil after atomization in the prior art easily flows out of the airway.

Description

Technical Field

[0001] The present invention belongs to the technical field of electronic cigarettes, and in particular relates to a heating sheet for an atomizer, an atomizer and an electronic cigarette. Background Art

[0002] At present, most electronic cigarettes on the market use traditional ceramic cores and cotton cores to heat and atomize the e-liquid, which is then inhaled through the mouthpiece. However, the condensed e-liquid after atomization easily flows out of the airway, causing waste, and the inhalation taste is not good. In addition, after comparison, the atomization taste of the e-liquid heated by ceramic cores or cotton cores is not good, and the degree of reduction of the e-liquid is not high, which affects the user experience. Summary of the invention

[0003] In view of the above technical problems, the present invention discloses a heating sheet for an atomizer, an atomizer and an electronic cigarette. The heating sheet adopts a mesh-shaped heating material, and the condensate is refluxed for utilization, so that the atomization effect is optimal, the oil reduction degree is high, and the smoke volume is full.

[0004] To this end, the technical solution adopted by the present invention is:

[0005] A heating sheet for an atomizer comprises a supporting member, on which a heating member and an extraction electrode are arranged, and the heating member is connected to the extraction electrode; and a plurality of through holes are arranged on the supporting member or the heating member.

[0006] By adopting this technical solution, the heating sheet of the atomizer is arranged on one side of the oil-conducting cotton, and the smoke oil or condensed oil can penetrate into the oil-conducting cotton through the through holes of the heating sheet, and the heating sheet has mesh holes, which is equivalent to gaps between the heating components, so that the heat will not be concentrated, the heat will be more uniform, the smoke oil reduction degree will be high, and the smoke will be full and rich. The mesh heating is different from the traditional heating wire system. The traditional heating system uses a ceramic rod cotton core heating wire, the heat is too concentrated, the temperature stability and uniformity are not good enough, resulting in poor heating effect and the taste of the smoke oil atomization, and it is easy to be burned, and the oil conduction is not smooth and the stability is poor. The mesh heating of the present invention has sufficient atomization, good stability, and uniform atomization that can resolve every oil smoke molecule. In addition, the mesh heating is burn-resistant, and it will not deform or carbonize after multiple cycles of heating, which is unachievable with traditional heating methods.

[0007] As a further improvement of the present invention, the supporting member is a ceramic sheet or a glass sheet, the through hole is located on the ceramic sheet or the glass sheet, and the heating member is a heating wire or a printed resistor. Furthermore, the heating wire is wound in the through hole. With this technical solution, the supporting member can be a ceramic sheet, and the ceramic sheet with holes can be sintered and then the resistor can be printed on it. The supporting member can also be a glass sheet or a ceramic sheet with holes, so that the glass sheet or the ceramic sheet with holes is first sintered, and then the heating wire is evenly wound between the holes to make it close to the glass sheet or the ceramic sheet.

[0008] As a further improvement of the present invention, the supporting member is a ceramic or glass frame, the heating member is a metal heating sheet with a plurality of through holes, and the heating member is located in the ceramic or glass frame. With this technical solution, a ceramic frame or a glass frame is first made, the heating sheet is etched out with a thin steel sheet to achieve the desired resistance, and then the lead-out electrode is butt-welded to the thin steel sheet.

[0009] As a further improvement of the present invention, the support member and the heating member are integrated into a metal sheet, the metal sheet is provided with a through hole, and the metal sheet is connected to the lead-out electrode. With this technical solution, the metal sheet is etched with a steel sheet to form a through hole, and the desired resistance is achieved, and then the lead-out electrode is butt-welded to the thin steel sheet.

[0010] As a further improvement of the present invention, the supporting member is a powder sintered ceramic sheet containing micropores, and the heating member is formed by adding a metal material to the ceramic powder during sintering and connecting them through sintering.

[0011] As a further improvement of the present invention, the through hole array is located on a supporting component or a heat generating component.

[0012] The present invention also discloses an atomizer, which comprises a shell, wherein an air inlet channel is provided at the bottom of the shell, an air outlet pipe is provided at the middle and upper part of the shell, and an oil tank, a mesh-shaped heating sheet and a bracket are provided inside the shell;

[0013] The mesh-shaped heating sheet is a heating sheet for an atomizer as described in any one of the above items;

[0014] The support seat is located below the oil tank, and a condensate recovery and reuse tank is located between the support seat and the oil tank;

[0015] The bracket seat includes a supporting inclined surface, the lower end of which is located on one side of the mesh-shaped heating sheet, the other side of which is an atomization chamber, the atomization chamber is provided with oil-conducting cotton, and the oil-conducting cotton is attached to the mesh-shaped heating sheet; the oil tank is provided with an oil outlet above the oil-conducting cotton;

[0016] The air outlet of the air inlet channel is located on one side of the mesh-shaped heating sheet;

[0017] The condensed oil collected by the supporting inclined surface penetrates into the oil-conducting cotton through the mesh holes of the mesh heating sheet, and is heated and atomized by the mesh heating sheet.

[0018] With this technical solution, the oil in the oil tank is heated and atomized through the oil-conducting cotton to the heating material, and the condensed oil collected on the supporting slope penetrates into the atomization chamber of the oil-conducting cotton through the through holes of the heating sheet to be recovered and atomized again. The heating sheet has mesh holes, which makes the heating more uniform, the oil reduction degree is high, the smoke is full and rich, the atomization is sufficient, and the stability is good. In addition, in this technical solution, the air enters from the air inlet channel at the bottom, and the airflow directly impacts the heating module, taking away the atomized steam.

[0019] As a further improvement of the present invention, a condensation recovery bin connected to the atomization chamber is provided in the bracket seat and below the supporting inclined surface, for recovering excess condensate to prevent oil leakage.

[0020] Furthermore, the condensation recovery bin is provided with oil-absorbing cotton.

[0021] As a further improvement of the present invention, the mesh holes of the bottom layer of the mesh-shaped heating sheet are not higher than the lower end of the supporting inclined surface.

[0022] As a further improvement of the present invention, the air inlet channel extends through the supporting inclined surface, and the air outlet of the air inlet channel is higher than the supporting inclined surface of the bracket seat to prevent condensate from seeping out from the bottom.

[0023] As a further improvement of the present invention, the air outlet of the air inlet channel is open toward the side of the mesh heating sheet. The end of the air inlet channel discharges air from the side, and the airflow directly impacts the mesh heating sheet, completely taking away the atomized steam.

[0024] As a further improvement of the present invention, the mesh-shaped heating sheet is sealed to the housing via a sealing ring, so that the atomization chamber is sealed.

[0025] As a further improvement of the present invention, the bottom of the oil bin is an inclined surface. The partition at the bottom of the oil bin is an inclined surface, which facilitates the complete use of the smoke oil and achieves zero waste.

[0026] As a further improvement of the present invention, the atomizer is provided with an atomizing cover, the atomizing cover is provided with a suction nozzle, the suction nozzle is connected to the air outlet pipe, oil absorbing cotton is provided under the suction nozzle, and the atomizing cover is connected to the shell of the atomizer through a sealing cover.

[0027] Furthermore, the nozzle is made of PP material and the oil tank is made of PCTG food grade material.

[0028] As a further improvement of the present invention, the atomizer is provided with a base, and the base is clamped with the bracket seat through a silicone ring.

[0029] Furthermore, a magnet is provided at the bottom of the atomizer. Furthermore, two magnets are provided at the bottom of the atomizer and are tightly matched with the base.

[0030] The present invention also discloses an electronic cigarette, which includes a battery tube and an atomizer as described above, wherein a battery core is arranged in the battery tube, the battery core is connected to a main control board, one end of the battery tube is provided with a spring contact and a magnet electrically connected to the lead-out electrode of the mesh-shaped heating sheet of the atomizer, and the main control board is connected to the spring contact. In this technical solution, the battery tube and the atomizer are assembled by magnet contact, and the positioning is accurate, convenient and fast.

[0031] Furthermore, the spring contact is a 2-pin spring contact, which is convenient to use.

[0032] Furthermore, the spring contact extends out of the top of the battery tube and is sealed with the battery tube by means of sealing silicone to prevent oil leakage and damage to components and cells in the battery tube.

[0033] As a further improvement of the present invention, the battery tube includes a battery bracket, a charging board, a microphone, and a light guide column. The battery cell and the main control board are respectively located in the battery bracket; the battery cell is connected to the charging board, and the microphone is connected to the main control board. The microphone switch is turned on, and it can be used immediately after being drawn, which is convenient and fast.

[0034] As a further improvement of the present invention, the charging plate is provided with a charging interface, and the charging interface is located at the other end of the battery tube.

[0035] Furthermore, the battery tube is made of aluminum alloy, which is simple and elegant with diversified colors.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] By adopting the technical solution of the present invention, the heating plate adopts a mesh structure, the heating is more uniform, the smoke oil is not burned, the oil is guided smoothly, the atomization is sufficient, and the stability is good; the condensed liquid is refluxed through the supporting slope, penetrates into the oil guide cotton through the through holes of the heating plate and enters the atomization chamber for further atomization, the smoke oil reduction degree is high, the smoke volume is full, and the atomization taste is better, which solves the problem that the condensed smoke oil after atomization in the prior art easily flows out of the airway. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic structural diagram of a heating sheet for an atomizer according to Embodiment 1 of the present invention.

[0039] Figure 2 It is a schematic structural diagram of a heating sheet for an atomizer according to Embodiment 2 of the present invention.

[0040] Figure 3 It is a schematic structural diagram of a heating sheet for an atomizer according to embodiment 3 of the present invention.

[0041] Figure 4 It is a schematic structural diagram of a heating sheet for an atomizer according to embodiment 4 of the present invention.

[0042] Figure 5 It is a schematic structural diagram of a heating sheet for an atomizer according to embodiment 5 of the present invention.

[0043] Figure 6 It is a schematic diagram of the internal structure of an atomizer according to Example 6 of the present invention.

[0044] Figure 7 It is a schematic diagram of the cross-sectional structure of an atomizer according to Example 6 of the present invention.

[0045] Figure 8 This is another schematic diagram of the cross-sectional structure of an atomizer according to Example 6 of the present invention.

[0046] Fig. 9 It is a schematic structural diagram of a battery tube of an electronic cigarette according to Embodiment 7 of the present invention.

[0047] Fig.10 It is a schematic diagram of the structure of the assembled battery tube and atomizer of Example 7 of the present invention.

[0048] Fig.11 It is another schematic diagram of the cross-sectional structure of the assembled battery tube and atomizer of Example 7 of the present invention.

[0049] The reference numerals include: 100-support member, 200-heating wire, 300-through hole, 400-insulating frame, 500-metal heating sheet, 600-metal sheet, 700-microporous powder ceramic sintered heating sheet, 800-lead electrode;

[0050] 1-shell, 2-air inlet channel, 3-air outlet pipe, 4-oil bin, 5-mesh heating sheet, 6-bracket seat, 7-condensation recovery bin, 8-support slope, 9-atomization chamber, 10-oil guide cotton, 11-oil outlet, 12-air outlet, 13-condensation recovery bin, 14-sealing ring, 15-nozzle, 16-oil absorption cotton, 17-sealing cover, 18-base, 19-silicone ring;

[0051] 20- atomizer, 21- battery tube, 22- battery, 23- main control board, 24- 2pin spring contact, 25- magnet, 26- sealing silicone ring, 27- battery holder, 28- charging board, 29- microphone, 30- light guide column. DETAILED DESCRIPTION

[0052] The preferred embodiments of the present invention are described in further detail below.

[0053] Example 1

[0054] like Figure 1As shown, a heating sheet for an atomizer includes a supporting member 100, wherein the supporting member 100 is a ceramic sheet, and a plurality of through holes 300 are arranged on the supporting member 100 in a uniform array, and a heating component and an extraction electrode 800 are arranged on the supporting member 100, and the heating component is connected to the extraction electrode 800; in this embodiment, the heating component is a printed resistor (not shown in the figure) formed by sintering a conductive paste printed by screen printing on the ceramic sheet.

[0055] Example 2

[0056] like Figure 2 As shown, a heating sheet for an atomizer includes a supporting member 100, which is a glass sheet or a ceramic sheet. The supporting member 100 is provided with a plurality of through holes 300 in a uniform array. A heating wire 200 passes through and winds between the through holes 300 and is closely attached to the supporting member 100. Both ends of the heating wire 200 can be led out to serve as lead-out electrodes 800, or both ends of the heating wire 200 are welded to the lead-out electrodes 800.

[0057] The manufacturing method is to first sinter a glass sheet or a ceramic sheet with holes, and then evenly wind the heating wire 200 between the holes so that it is in close contact with the glass sheet or the ceramic sheet.

[0058] Example 3

[0059] like Figure 3 As shown, a heating sheet for an atomizer includes an insulating frame 400 made of ceramic or glass, and a heating component is a metal heating sheet 500 provided with a plurality of through holes 300. The metal heating sheet 500 is located in the insulating frame 400 made of ceramic or glass, and two insulating frames 400 are butted to fix the metal heating sheet 500. With this technical solution, a ceramic frame or a glass frame is first made, and the heating sheet is corroded out with a thin steel sheet to achieve the desired resistance, and then the lead-out electrode 800 is butt-welded with the thin steel sheet.

[0060] Example 4

[0061] like Figure 4 As shown, a heating sheet for an atomizer, the supporting member and the heating member of this embodiment are integrated into a metal sheet 600 with a through hole. The metal sheet 600 is etched with a steel sheet to form a through hole 300, and the desired resistance is achieved, and then the lead electrode 800 is welded to the thin steel sheet.

[0062] Example 5

[0063] like Figure 5As shown, a heating plate for an atomizer includes a microporous powder ceramic sintered heating plate 700, wherein the microporous powder ceramic sintered heating plate 700 contains micropores, and the heating component is formed by sintering and connecting the metal material added to the ceramic powder during sintering, and the lead-out electrode 800 is connected to the metal material of the heating plate.

[0064] In this embodiment, ceramic powder is sintered, and gaps between powder particles are retained to form an oil conduction path. Heat-generating material is added during sintering, and after sintering, they are connected to form a heat-generating component, which is then led out through the lead-out electrode 800.

[0065] Example 6

[0066] like Figure 6~Figure 8 As shown, an atomizer comprises a shell 1, an air inlet channel 2 is provided at the bottom of the shell 1, an air outlet pipe 3 is provided at the middle and upper part of the shell 1, and an oil tank 4, a mesh-shaped heating sheet 5 and a bracket seat 6 are provided in the shell 1;

[0067] The mesh-shaped heating sheet 5 is a heating sheet for an atomizer as described in any one of the above embodiments 1 to 5;

[0068] The support seat 6 is located below the oil tank 4, and a condensate recovery and reuse tank 7 is located between the support seat 6 and the oil tank 4;

[0069] The bracket seat 6 includes a supporting inclined surface 8, the lower end of which is located on one side of the mesh-shaped heating sheet 5, and the other side of the mesh-shaped heating sheet 5 is an atomization chamber 9, and the atomization chamber 9 is provided with oil-conducting cotton 10, and the oil-conducting cotton 10 is attached to the mesh-shaped heating sheet 5; the oil tank 4 is provided with an oil outlet 11 above the oil-conducting cotton 10;

[0070] The air inlet channel 2 extends through the support slope 8, and the air outlet 12 of the air inlet channel 2 is located on one side of the mesh-shaped heating sheet 5, and the bottom of the air outlet 12 is higher than the support slope 8 of the bracket seat 6 to prevent condensate from seeping out from the bottom. The air outlet 12 of the air inlet channel 2 is open toward the side of the mesh-shaped heating sheet 5, and the outlet of the air inlet channel 2 exhausts air from the side, and the airflow directly impacts the mesh-shaped heating sheet 5, completely taking away the atomized steam.

[0071] The mesh holes of the bottom layer of the mesh-like heating sheet 5 are not higher than the lower end of the supporting slope 8, so that all the recovered condensed oil can be fully utilized. The bottom of the oil bin 4 is a slope, which is convenient for the complete use of the smoke oil and achieves zero waste. A condensation recovery bin 13 connected to the atomization chamber 9 is provided in the bracket seat 6 and below the supporting slope 8. The condensation recovery bin 13 is provided with oil-absorbing cotton 16 for recovering excess condensate to prevent oil leakage. The mesh-like heating sheet 5 is sealed with the housing 1 through a sealing ring 14 to seal the atomization chamber 9.

[0072] The atomizer 20 is provided with an atomizing cover, and the atomizing cover is provided with a suction nozzle 15, and the suction nozzle 15 is connected to the air outlet pipe 3. An oil-absorbing cotton 16 is provided below the suction nozzle 15, and the atomizing cover is connected to the housing 1 of the atomizer 20 through a sealing cover 17. The atomizer 20 is provided with a base 18, and the base 18 is clamped with the bracket seat 6 through a silicone ring 19. The lead-out electrode of the mesh-shaped heating sheet 5 extends out of the base 18. Furthermore, two magnets are provided at the bottom of the atomizer 20, and are tightly matched with the base 18. Furthermore, the suction nozzle 15 is made of PP material, and the oil tank 4 is made of PCTG food grade material.

[0073] With this technical solution, the oil in the oil tank 4 is heated and atomized through the oil-conducting cotton 10 to the heating material, and the condensed oil collected by the supporting slope 8 penetrates into the atomization chamber 9 of the oil-conducting cotton 10 through the through holes of the heating sheet to be recovered and atomized again, and then heated and atomized through the mesh heating sheet 5. In addition, the air enters from the air inlet channel 2 at the bottom, and the airflow directly impacts the heating module, taking away the atomized steam. The mesh heating sheet 5 has mesh holes, the heat is more uniform, the oil reduction degree is high, the smoke is full and rich, the atomization is sufficient, and the stability is good.

[0074] Example 7

[0075] like Figure 9~Figure 11 As shown, an electronic cigarette includes a battery tube 21 and an atomizer 20 as described in Example 6, wherein a battery 22 is arranged in the battery tube 21, and the battery 22 is connected to a main control board 23, and one end of the battery tube 21 is provided with a 2-pin spring contact 24 and a magnet 25 electrically connected to the lead-out electrode 800 of the mesh-shaped heating sheet 5 of the atomizer 20, and the main control board 23 is connected to the 2-pin spring contact 24. The 2-pin spring contact 24 extends out of the top of the battery tube 21 and is sealed with the battery tube 21 through a sealing silicone ring 26 to prevent oil leakage.

[0076] The battery tube 21 includes a battery bracket 27, a charging board 28, a microphone 29, and a light guide column 30. The battery 22 and the main control board 23 are respectively located in the battery bracket 27; the battery 22 is connected to the charging board 28, and the microphone 29 is connected to the main control board 23. The microphone 29 is turned on and can be used immediately after being drawn, which is convenient and fast. The charging board 28 is provided with a charging interface, which is located at the other end of the battery tube 21.

[0077] Furthermore, the battery tube 21 is made of aluminum alloy, which is simple and elegant with diversified colors.

[0078] In the technical solution of this embodiment, the battery tube 21 and the atomizer 20 are contacted and assembled through the magnet 25, and the positioning is accurate, and the installation is convenient and quick.

[0079] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. An atomizer, characterized in that: It comprises a shell, the bottom of which is provided with an air inlet channel, the middle and upper part of which is provided with an air outlet pipe, and the shell is provided with an oil bin, a mesh-shaped heating sheet and a bracket seat; The mesh-shaped heating sheet comprises a supporting member, on which a heating member and an extraction electrode are arranged, and the heating member is connected to the extraction electrode; a plurality of through holes are arranged on the supporting member or the heating member; The supporting member is a ceramic or glass frame, the heating member is a metal heating sheet with a plurality of through holes, and the heating member is located in the ceramic or glass frame; Alternatively, the support member and the heating member are integrated into one, and are a metal sheet, the metal sheet is provided with a through hole, and the metal sheet is connected to the lead-out electrode; or the support member is a powder sintered ceramic sheet containing micropores, and the heating member is formed by sintering and connecting the metal material added to the ceramic powder during sintering; The support seat is located below the oil tank, and the support seat includes a support slope, the lower end of the support slope is located on one side of the mesh-shaped heating sheet, the other side of the mesh-shaped heating sheet is an atomization chamber, and the atomization chamber is provided with oil-conducting cotton, and the oil-conducting cotton is attached to the mesh-shaped heating sheet; the oil tank is provided with an oil outlet above the oil-conducting cotton; The air outlet of the air inlet channel is located on one side of the mesh-shaped heating sheet; The condensed oil collected by the supporting inclined surface penetrates into the oil-conducting cotton through the mesh holes of the mesh heating sheet, and is heated and atomized by the mesh heating sheet.

2. The atomizer according to claim 1, characterized in that: The mesh holes at the bottom layer of the mesh-shaped heating sheet are not higher than the lower end of the supporting inclined surface.

3. The atomizer according to claim 2, characterized in that: The air inlet passage extends through the supporting inclined surface, and the air outlet of the air inlet passage is higher than the supporting inclined surface of the bracket seat.

4. The atomizer according to claim 3, characterized in that: The air outlet of the air inlet channel is opened toward the side of the mesh-shaped heating sheet, and the mesh-shaped heating sheet is sealed and connected to the shell through a sealing ring.

5. The atomizer according to claim 1, characterized in that: The bottom of the oil bin is an inclined surface; a condensation recovery bin connected to the atomization chamber is provided below the supporting inclined surface; the atomizer is provided with an atomization cover, the atomization cover is provided with a suction nozzle, the suction nozzle is connected to the air outlet pipe, oil absorbing cotton is provided below the suction nozzle, the atomization cover is connected to the shell of the atomizer through a sealing cover; the atomizer is provided with a base, and the base is clamped with the bracket seat through a silicone ring.

6. An electronic cigarette, characterized in that: It comprises a battery tube and an atomizer as claimed in any one of claims 1 to 5, wherein a battery core is arranged in the battery tube, the battery core is connected to a main control board, one end of the battery tube is provided with a spring contact and a magnet electrically connected to a lead-out electrode of a mesh-shaped heating sheet of the atomizer, the main control board is connected to the spring contact; the spring contact extends out of the top of the battery tube and is sealed with the battery tube by a sealing silicone.

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