CN116114926A - Heating body, heating body preparation method and heating non-combustion smoking set - Google Patents
Heating body, heating body preparation method and heating non-combustion smoking set Download PDFInfo
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- CN116114926A CN116114926A CN202310149213.XA CN202310149213A CN116114926A CN 116114926 A CN116114926 A CN 116114926A CN 202310149213 A CN202310149213 A CN 202310149213A CN 116114926 A CN116114926 A CN 116114926A
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- carbon fiber
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/10—Forming beads
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C12/00—Powdered glass; Bead compositions
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Resistance Heating (AREA)
Abstract
The invention relates to a heating body, a heating body preparation method and a heating non-combustion smoking set, which comprise a carbon fiber layer, wherein the carbon fiber layer is arranged in a cylinder shape; the inner layer pipe and the outer layer pipe are both cylindrical and are quartz pipes or glass pipes, the inner layer pipe and the outer layer pipe are coaxially arranged, the inner layer pipe is positioned on the inner side of the outer layer pipe, a placing groove is formed in the inner side wall of the outer layer pipe, the carbon fiber layer is positioned in the placing groove, and the notch of the placing groove is sealed by the inner layer pipe; the electrode is abutted with the carbon fiber layer, and one end of the electrode extends out of the placing groove to realize power connection.
Description
Technical Field
The invention relates to the technical field of heating non-combustion smoking articles, in particular to a heating body, a heating body preparation method and a heating non-combustion smoking article.
Background
The heating non-burning electronic cigarette is regarded as a revolutionary product in the tobacco industry, has the characteristics of no open flame, no ash, no second-hand smoke taste, harm reduction of 90 percent and the like, and also has the taste of 90 percent of traditional cigarettes.
The existing heating non-combustion smoking set adopts a central heating type or an air heating type, and for the central heating non-combustion smoking set, the main structure is that a heating circuit is arranged on a ceramic plate or a ceramic needle, and then the heating circuit is inserted into the smoking set from the bottom of the smoking set for heating, so that the heating body is easy to break, the smoking set can be reused only by being replaced, and the replacement cost is high. For an air heating non-combustible smoking set, the air heating non-combustible smoking set is the most uniform of several heating modes, because the hot air flow can be filled in the whole cigarette for heating, but the air heating needs to transfer the heat of the bottom to the cigarette, so that the bottom temperature is higher, the time is needed for transferring the heat and the loss is caused, and the smoke of the first cigarette is smaller.
In order to improve the heat efficiency, carbon fiber is taken as a heating body, the carbon fiber is a pure blackbody material, has the characteristics of rapid temperature rise, small heat lag, uniform heating, long heat radiation transmission distance, high heat exchange speed and the like, and can not only conduct heat in normal heat convection but also have an infrared radiation function when heating, and can radiate infrared waves in a certain space around for heating, so that the heating efficiency and the heating uniformity of the carbon fiber are better than those of metal or metal alloy, the electrothermal conversion efficiency of the carbon fiber is higher than 98%, the carbon fiber can reach higher temperature in a short time, but the carbon fiber cannot be welded, the carbon fiber can be heated in air and oxidized, obvious weightlessness can occur when heated in air at 400 ℃, the strength is greatly reduced, and when the oxidative weightlessness reaches 2-5%, the mechanical property of the carbon fiber is reduced by 40-50%, the diameter is reduced, and the carbon fiber is taken as the heating body for heating a non-burning smoking set, and the service life of the carbon fiber is shorter.
Disclosure of Invention
In view of the above, the invention aims to provide a heating body, a heating body preparation method and a heating non-burning smoking set, so as to solve the technical problems of short service life and easy blowing of carbon fibers in an oxygen environment in the prior art.
The present invention provides a heating body comprising:
a carbon fiber layer provided in a cylindrical shape;
the inner layer pipe and the outer layer pipe are both cylindrical and are quartz pipes or glass pipes, the inner layer pipe and the outer layer pipe are coaxially arranged, the inner layer pipe is positioned on the inner side of the outer layer pipe, a placing groove is formed in the inner side wall of the outer layer pipe, the carbon fiber layer is positioned in the placing groove, and the notch of the placing groove is sealed by the inner layer pipe;
and the electrode is abutted with the carbon fiber layer, and one end of the electrode extends out of the placing groove to realize electricity connection.
In an embodiment, the outer surface of the carbon fiber layer is attached to the outer layer tube, the inner surface of the carbon fiber layer is attached to the inner layer tube, and no gap is reserved between the carbon fiber layer and the inner layer tube and the outer layer tube.
In an embodiment, the outer layer tube is provided with a reflective layer on a side facing away from the inner layer tube, adapted to reflect heat radiation in the energized state of the carbon fiber layer towards the inner layer tube.
In one embodiment, the reflective layer is made of aluminum or silver.
In one embodiment, the thickness of the inner and outer layers is set to 0.05mm-0.2mm.
In one embodiment, the carbon fiber layer is spirally wound with single or multiple carbon fiber unidirectional filaments.
In an embodiment, the electrode is formed by spirally winding a metal wire on the outer surface of the carbon fiber layer and is abutted against the outer side wall of the carbon fiber layer, and the electrode is extended with an electric connection section which extends out of the placing groove and penetrates out of the outer layer tube to realize electric connection.
In an embodiment, the electrode is set to the metal ring, the metal ring sets up the surface on carbon fiber layer and with the coaxial setting of carbon fiber layer, the metal ring inboard with carbon fiber layer lateral wall contacts, extend on the electrode and connect the electric section, connect the electric section and stretch out the standing groove and wear out the outer layer pipe realization and connect the electric.
In one embodiment, the inner tube, carbon fiber layer and outer tube are integrally formed.
The invention also provides a manufacturing method of the heating body, which comprises the following steps:
preparing a first molten slurry;
injecting the first molten slurry into a first mold to produce an inner layer tube;
forming a carbon fiber layer by winding carbon fiber unidirectional filaments on the outer side wall of the inner layer tube;
placing an electrode on the outer side wall of the carbon fiber layer to be abutted against the carbon fiber layer;
preparing a second molten slurry;
and (3) integrally placing the inner layer tube, the carbon fiber layer and the electrode in a second mold, and injecting second molten slurry into the second mold to prepare an outer layer tube, wherein the outer layer tube covers the carbon fiber layer.
In one embodiment, 75-95 parts of glass powder and 5-25 parts of high heat conducting powder are melted into first molten slurry at a high temperature of 400-900 ℃ during preparation of the first molten slurry;
or 75-95 parts of quartz powder and 5-25 parts of high heat conduction powder are melted into first melted slurry at a high temperature of 400-900 ℃.
In one embodiment, 40-95 parts of glass powder and 5-60 parts of heat insulation material are melted into second molten slurry at a high temperature of 400-900 ℃ during preparation of the second molten slurry;
or 40-95 parts of quartz powder and 5-60 parts of heat insulation substances are melted into second melted slurry at a high temperature of 400-900 ℃.
In one embodiment, the high thermal conductivity powder is provided as aluminum nitride or silicon carbide.
In one embodiment, the insulating material is provided as hollow glass microspheres.
The invention also provides a heating non-combustion smoking set, which comprises the heating body or the heating body prepared by the heating body preparation method.
The technical scheme of the invention has the following advantages:
1. according to the heating body provided by the invention, the inner layer tube and the outer layer tube are arranged to seal the carbon fiber layer, so that the carbon fiber layer cannot be contacted with external oxygen, and cannot be always in an oxygen environment when the carbon fiber layer is used, thereby reducing the condition of oxidization and blowing of the carbon fiber layer and prolonging the service life of the carbon fiber layer.
2. According to the heating body provided by the invention, the carbon fiber layer is attached to the outer layer pipe and the inner layer pipe, and no gap is reserved between the carbon fiber layer and the inner layer pipe and between the carbon fiber layer and the outer layer pipe, so that air cannot be remained in the carbon fiber layer when the carbon fiber layer is surrounded by the inner layer pipe, oxidation of the carbon fiber layer during use is further reduced, and the service life of the carbon fiber layer is prolonged.
3. According to the preparation method of the heating body, the first molten slurry is utilized to form the inner layer pipe, then the carbon fiber layer is wound on the inner layer pipe, the carbon fiber layer is placed into the second mold along with the inner layer pipe, the second molten slurry is poured into the second mold, the outer layer pipe is formed on the outer surface, the top surface and the bottom surface of the carbon fiber layer, the inner layer pipe and the outer layer pipe are integrally formed, and the surfaces of the inner layer pipe, the outer layer pipe and the carbon fiber layer are compounded, so that a vacuum environment is not required to be created, contact oxidation with external oxygen can be avoided when the carbon fiber layer is used, the service life of the carbon fiber layer is prolonged, and meanwhile, the carbon fiber layer can be subjected to transmission heating and radiation heating through the inner layer pipe and the outer layer pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the overall structure of a heating element of the present invention;
FIG. 2 is an exploded view of a heating element in the present invention;
FIG. 3 is a schematic view of a carbon fiber layer according to the present invention;
FIG. 4 is a sectional view showing the internal structure of a heat-generating body in the present invention;
FIG. 5 is a step chart of a method for producing a heat-generating body in the present invention;
FIG. 6 is a schematic diagram of a second mold according to the present invention;
fig. 7 is a sectional view showing the internal structure of the second mold in the present invention.
Reference numerals illustrate:
1. an inner layer tube; 2. an outer layer tube; 3. a carbon fiber layer; 4. an electrode; 5. a power connection section; 6. a die outer tube; 7. a placement groove; 8. a die plug; 9. a reflective layer.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms described above will be understood to those of ordinary skill in the art in a specific context.
The terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "vertical," "horizontal," "center," and the like refer to an orientation or positional relationship based on that shown in the drawings, or that is conventionally put in place when the inventive product is used, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the invention.
The terms "first," "second," "third," and the like, are merely used for distinguishing between similar elements and not necessarily for indicating or implying a relative importance or order.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements does not include only those elements but may include other elements not expressly listed.
In addition, the technical features of the different embodiments of the invention described below may be combined with each other as long as they do not interfere with each other.
Example 1
Referring to fig. 1 to 4, the present invention provides a heating body, which comprises a carbon fiber layer 3, an inner layer tube 1, an outer layer tube 2 and an electrode 4, wherein the carbon fiber layer 3 is covered by the inner layer tube 1 and the outer layer tube 2, so that when the carbon fiber layer 3 is in a sealed state, the carbon fiber layer 3 heats in an electrified state, the possibility that the carbon fiber layer 3 is oxidized is reduced, the service life of the carbon fiber layer 3 is prolonged, and when the carbon fiber layer 3 heats, the carbon fiber layer 3 can be subjected to transmission heating and radiation heating through the inner layer tube 1 and the outer layer tube 2.
Specifically, the carbon fiber layer 3 is set to the tube-shape, the inner tube 1 and the outer tube 2 are all set to the tube-shape, the cavity sets up and top and bottom are equipped with the opening, the inner tube 1 and the outer tube 2 are set to quartz tube or glass tube, thereby can see through inner tube 1 and outer tube 2 when making carbon fiber layer 3 generate heat, inner tube 1, carbon fiber layer 3 and outer tube 2 coaxial setting, and set gradually inner tube 1 from inside to outside from the axis, carbon fiber layer 3 and outer tube 2, make inner tube 1 be located outer tube 2 inboard, and annular standing groove 7 has been seted up on the inside wall of outer tube 2, standing groove 7 and carbon fiber layer 3 correspond, carbon fiber layer 3 is located standing groove 7, and when installing inner tube 1 and outer tube 2, the outer wall of inner tube 1 and the laminating of outer tube 2, thereby seal the notch of standing groove 7, make carbon fiber layer 3 be in sealed state, can not with outside oxygen contact.
Through setting up inlayer pipe 1 and outer 2 with carbon fiber layer 3 sealed, make carbon fiber layer 3 can not with outside oxygen contact, make carbon fiber layer 3 can not be in under the oxygen environment always when using to reduce the condition that carbon fiber layer 3 oxidation was blown, improved carbon fiber layer 3's life.
As a specific embodiment, the surface of carbon fiber layer 3 and the inner wall laminating of standing groove 7 on outer layer pipe 2, the top surface and the bottom surface of carbon fiber layer 3 also laminate with the inner wall laminating of standing groove 7, the inner surface of carbon fiber layer 3 and the lateral wall laminating of inlayer pipe 1, and leave no space between carbon fiber layer 3 and inlayer pipe 1 and outer pipe 2, carbon fiber layer 3 and outer pipe 2 and inlayer pipe 1 all laminate, and do not leave the space between carbon fiber layer 3 and inlayer pipe 1 and outer pipe 2, when making carbon fiber layer 3 surrounded by inlayer pipe 1, inside can not remain the air, further reduced carbon fiber layer 3 oxidation when using, improve the life of carbon fiber layer 3.
When the heating body is manufactured, the inner tube 1, the carbon fiber layer 3 and the outer tube 2 are integrally formed, so that the inner tube 1, the carbon fiber layer 3 and the outer tube 2 are integrated, the position of the heating body is not changed when the heating body is used, the sealing effect of the carbon fiber layer 3 is affected, the sealing of the carbon fiber layer 3 is better, a temperature control piece (not shown in the figure) is arranged on the outer tube 2, the temperature of the outer tube 2 is detected by a thermocouple or an NTC, and the temperature of the heating body is controlled.
Specifically, the wall thickness of the inner tube 1 is set to be between 0.05mm and 0.2mm, and the wall thickness of the inner tube 1 can be set to be 0.05mm, 0.07mm, 0.09mm, 0.1mm, 0.12mm, 0.14mm, 0.16mm, 0.18mm and 0.2mm by those skilled in the art depending on the actual use, and is not limited only herein. The wall thickness of the outer tube 2 was set to 0.5mm-2mm. The wall thickness of the outer layer tube 2 can be set to 0.5mm, 0.7mm, 0.9mm, 1mm, 1.2mm, 1.4mm, 1.6mm, 1.8mm and 2mm according to the actual practice by those skilled in the art, and is not limited solely herein.
The carbon fiber layer 3 is formed by spirally winding a single or a plurality of carbon fiber unidirectional filaments into a cylindrical shape, and the resistance of the carbon fiber layer 3 is set to 0.5 ohm-5 ohm, and those skilled in the art can set the resistance of the carbon fiber layer 3 to 0.5 ohm, 1 ohm, 1.5 ohm, 2 ohm, 2.5 ohm, 3 ohm, 3.5 ohm, 4 ohm, 4.5 ohm and 5 ohm according to the actual practice, again without limitation.
The electrode 4 is provided with two, and electrode 4 is formed by the spiral winding of metal wire at carbon fiber layer 3 surface and is contradicted with carbon fiber layer 3 lateral wall to make electrode 4 and carbon fiber layer 3 form and connect, two electrodes 4 set up respectively on the lateral wall at carbon fiber layer 3 top and the lateral wall of bottom, and extend electric section 5 on the electrode 4, electric section 5 one end and electrode 4 integrated into one piece, and the standing groove 7 is stretched out to the other end and thereby forms the pin through outer tube 2, can connect the electricity with outside power.
As an alternative embodiment, the electrode 4 may be further configured as a metal ring, where the metal ring and the carbon fiber layer 3 are coaxially disposed and disposed on the outer wall of the carbon fiber layer 3 and abut against the carbon fiber layer 3, and the electrode 4 also extends to form an electrical connection section 5, where one end of the electrical connection section 5 is integrally formed with the electrode 4, and the other end extends out of the placement groove 7 and penetrates through the outer layer tube 2 to form a pin, so that the electrical connection section can be electrically connected with an external power supply.
The wires, the metal rings and the power receiving sections 5 may be made of gold, silver, copper, nickel, platinum, etc., which are not limited herein.
As an alternative embodiment, the side of the outer layer tube 2 facing away from the inner layer tube 1 is provided with a reflective layer 9, which is suitable for reflecting the radiant heat in the energized state of the carbon fiber layer 3 toward the inner layer tube 1, the reflective layer 9 and the outer layer tube 2 are coaxial and cover the outer side wall of the outer layer tube 2, and the reflective layer 9 may be made of a highly reflective material such as aluminum, silver or a mixture thereof, so long as the material is not particularly limited, and the radiant heat can be reflected. The reflection layer 9 may be formed by vapor deposition, sputtering, brush coating, or the like, and the reflection layer 9 may be attached to the outer tube 2.
Example 2
Referring to fig. 5 to 7, a method for manufacturing a heat generating body is provided in this embodiment, and the specific structure of the heat generating body is shown in embodiment 1.
The preparation method of the heating element comprises the following steps:
s1: preparing a first molten slurry;
75-95 parts of glass powder and 5-25 parts of high heat conduction powder are melted into first molten slurry at a high temperature of 400-900 ℃ during the preparation of the first molten slurry;
or 75-95 parts of quartz powder and 5-25 parts of high heat conduction powder are melted into first melted slurry at a high temperature of 400-900 ℃.
The high heat conductive powder is added into the first molten slurry, so that the heat transfer speed is increased, and the heat transfer to the direction of the heated body is increased, wherein the high heat conductive powder is set to be aluminum nitride or silicon carbide, and the high heat conductive powder is not limited only, so long as the heat conductive effect can be achieved.
S2: the first molten slurry is injected into the first mold to manufacture the inner layer pipe 1, wherein the first mold can be formed by forming an annular groove on the mold, and the first molten slurry is poured into the annular groove to wait for cooling during manufacture, so that the inner layer pipe 1 is formed by cooling, and the inner layer pipe 1 formed by cooling is taken out from the first mold.
S3: forming a carbon fiber layer 3 by winding carbon fiber unidirectional filaments on the outer side wall of the inner layer tube 1, wherein the top and the bottom of the carbon fibers do not protrude out of the inner layer tube 1, i.e. the length of the carbon fiber layer 3 is lower than that of the inner layer tube 1;
s4: the electrode 4 is placed on the outer side wall of the carbon fiber layer 3 and is abutted against the carbon fiber layer 3, in the process of placing the electrode 4 on the carbon fiber layer 3, the electrode 4 can be wound or sheet-shaped, and extends outwards to lead out the electricity connection section 5, when the carbon fiber layer 3 is placed in the second die, the electricity connection section 5 protrudes out of the second die, and because the electrode 4 cannot be welded on the carbon fiber layer 3, before the outer layer tube 2 is manufactured, the electrode 4 needs to be fixed through an external device, so that the electrode 4 can be limited on the carbon fiber layer 3.
Specifically, electrode 4 is formed by the spiral winding of metal wire at carbon fiber layer 3 surface and is contradicted with carbon fiber layer 3 lateral wall to make electrode 4 and carbon fiber layer 3 form and connect, two electrodes 4 set up respectively on the lateral wall at carbon fiber layer 3 top and on the lateral wall of bottom, and extend electric section 5 on the electrode 4, electric section 5 one end and electrode 4 integrated into one piece, thereby the other end stretches out standing groove 7 and passes outer tube 2 and form the pin, and when putting into the second mould with carbon fiber layer 3, electric section 5 outstanding second mould can connect the electricity with outside power.
As an alternative embodiment, the electrode 4 may be further configured as a metal ring, where the metal ring and the carbon fiber layer 3 are coaxially disposed and disposed on the outer wall of the carbon fiber layer 3 and abut against the carbon fiber layer 3, and the electrode 4 also extends to form an electrical connection section 5, where one end of the electrical connection section 5 is integrally formed with the electrode 4, and the other end extends out of the placement groove 7 and penetrates through the outer layer tube 2 to form a pin, so that the electrical connection section can be electrically connected with an external power supply.
S5: preparing a second molten slurry;
when the second melting slurry is manufactured, 40-95 parts of glass powder and 5-60 parts of heat insulation substances are melted into the second melting slurry at a high temperature of 400-900 ℃;
or 40-95 parts of quartz powder and 5-60 parts of heat insulation substances are melted into second melted slurry at a high temperature of 400-900 ℃.
By adding the heat-insulating substance into the second molten paste, when the heating body is in use, the heat transfer of the heating body to the outer layer tube 2 is reduced, wherein the heat-insulating substance is set as hollow glass beads.
S6: integrally placing the inner layer tube 1, the carbon fiber layer 3 and the electrode 4 in a second mold, and injecting second molten slurry into the second mold to prepare an outer layer tube 2, and coating the carbon fiber layer 3; the second mold comprises a mold outer tube 6 and a mold tube plug 8, a placing groove 7 is formed in the mold outer tube 6, a notch is upward, an opening is formed in the bottom of the mold outer tube 6, when the outer tube 2 is manufactured, the inner tube 1, the carbon fiber layer 3 and the electrode 4 are integrally placed in the placing groove 7, the power-on section 5 of the electrode at the bottom of the carbon fiber layer 3 penetrates out of the mold outer tube 6, the inner tube layer and the inner wall of the opening at the bottom of the mold outer tube 6 are positioned on the same plane, after the inner tube is placed, the mold tube plug 8 extends into the inner tube 1 and always extends into the opening to be attached to the inner wall of the opening, and the power-on section 5 of the electrode 4 at the top of the carbon fiber layer 3 extends into the mold tube plug 8 and extends out.
Example 3
Referring to fig. 1 to 4, the application provides a heating non-combustion smoking set, which comprises a heating body in embodiment 1, or a heating body prepared by using the heating body preparation method in embodiment 2, so that a carbon fiber layer 3 cannot be contacted with external oxygen, and the carbon fiber layer 3 cannot be always in an oxygen environment when in use, thereby reducing the condition of oxidizing and blowing the carbon fiber layer 3 and prolonging the service life of the carbon fiber layer 3.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (16)
1. A heating body, characterized by comprising:
a carbon fiber layer provided in a cylindrical shape;
the inner layer pipe and the outer layer pipe are both cylindrical and are quartz pipes or glass pipes, the inner layer pipe and the outer layer pipe are coaxially arranged, the inner layer pipe is positioned on the inner side of the outer layer pipe, a placing groove is formed in the inner side wall of the outer layer pipe, the carbon fiber layer is positioned in the placing groove, and the notch of the placing groove is sealed by the inner layer pipe;
and the electrode is abutted with the carbon fiber layer, and one end of the electrode extends out of the placing groove to realize electricity connection.
2. A heating body according to claim 1, wherein the outer surface of the carbon fiber layer is bonded to the outer tube, the inner surface of the carbon fiber layer is bonded to the inner tube, and no gap is left between the carbon fiber layer and the inner and outer tubes.
3. Heating body according to claim 1, wherein the outer tube is provided with a reflective layer on the side facing away from the inner tube, adapted to reflect heat radiation in the energized state of the carbon fiber layer towards the inner tube.
4. A heating body as claimed in claim 3, wherein said reflective layer is made of aluminum or silver.
5. Heating body according to claim 1, wherein the thickness of both the inner and outer tube is set between 0.05mm and 0.2mm.
6. A heating body as claimed in claim 1, wherein said carbon fibre layer is spirally wound from a single or a plurality of carbon fibre unidirectional filaments.
7. A heating body according to claim 1, wherein said electrode is formed by spirally winding a metal wire around the outer surface of the carbon fiber layer and abutting against the outer side wall of the carbon fiber layer, and said electrode is provided with a power receiving section extending out of the placement groove and penetrating out of the outer layer tube to achieve power receiving.
8. A heating body according to claim 1, wherein said electrode is provided as a metal ring provided on the outer surface of said carbon fiber layer and coaxially provided with the carbon fiber layer, the inner side of said metal ring being in contact with the outer side wall of said carbon fiber layer, and said electrode is provided with an electrical connection section extending out of said placement groove and penetrating out of the outer layer tube for electrical connection.
9. Heating body according to claim 1, characterized in that the inner tube, the carbon fiber layer and the outer tube are integrally formed.
10. Heating body according to claim 1, wherein said outer tube is provided with temperature control means adapted to detect the temperature of said outer tube.
11. The preparation method of the heating body is characterized by comprising the following steps of:
preparing a first molten slurry;
injecting the first molten slurry into a first mold to produce an inner layer tube;
forming a carbon fiber layer by winding carbon fiber unidirectional filaments on the outer side wall of the inner layer tube;
placing an electrode on the outer side wall of the carbon fiber layer to be abutted against the carbon fiber layer;
preparing a second molten slurry;
and (3) integrally placing the inner layer tube, the carbon fiber layer and the electrode in a second mold, and injecting second molten slurry into the second mold to prepare an outer layer tube, wherein the outer layer tube covers the carbon fiber layer.
12. The heating body manufacturing method according to claim 11, wherein 75-95 parts of glass frit and 5-25 parts of high heat conductive powder are melted to a first molten paste at a high temperature of 400-900 ℃ at the time of manufacturing the first molten paste;
or 75-95 parts of quartz powder and 5-25 parts of high heat conduction powder are melted into first melted slurry at a high temperature of 400-900 ℃.
13. The heating body manufacturing method according to claim 11, wherein 40-95 parts of glass frit and 5-60 parts of heat insulating material are melted to a second molten paste at a high temperature of 400-900 ℃ at the time of manufacturing the second molten paste;
or 40-95 parts of quartz powder and 5-60 parts of heat insulation substances are melted into second melted slurry at a high temperature of 400-900 ℃.
14. The heating body manufacturing method as claimed in claim 12, wherein the high heat conductive powder is aluminum nitride or silicon carbide.
15. The heating body manufacturing method as claimed in claim 13, wherein the heat insulating substance is provided as hollow glass beads.
16. A heating non-combustible smoking article comprising a heating body according to any one of claims 1 to 10 or prepared by a method of preparing a heating body according to any one of claims 11 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310149213.XA CN116114926A (en) | 2023-02-03 | 2023-02-03 | Heating body, heating body preparation method and heating non-combustion smoking set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310149213.XA CN116114926A (en) | 2023-02-03 | 2023-02-03 | Heating body, heating body preparation method and heating non-combustion smoking set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116114926A true CN116114926A (en) | 2023-05-16 |
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ID=86297312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310149213.XA Pending CN116114926A (en) | 2023-02-03 | 2023-02-03 | Heating body, heating body preparation method and heating non-combustion smoking set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116114926A (en) |
-
2023
- 2023-02-03 CN CN202310149213.XA patent/CN116114926A/en active Pending
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