CN219353089U - Heater and aerosol generating device - Google Patents
Heater and aerosol generating device Download PDFInfo
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- CN219353089U CN219353089U CN202223291203.XU CN202223291203U CN219353089U CN 219353089 U CN219353089 U CN 219353089U CN 202223291203 U CN202223291203 U CN 202223291203U CN 219353089 U CN219353089 U CN 219353089U
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Abstract
The present application provides a heater and aerosol-generating device, the heater comprising: a base; the electric heating film layer comprises a first electric heating film layer and a second electric heating film layer; a conductive element including a first electrode and a second electrode, the first electrode and the second electrode feeding electric power to the first electric heating film layer and the second electric heating film layer simultaneously; the first electrode comprises a third electrode and a fourth electrode which are in short circuit, and the second electrode comprises a fifth electrode and a sixth electrode which are in short circuit; the third electrode and the fifth electrode are both in contact with the first electrically heated film layer, and the fourth electrode and the sixth electrode are both in contact with the second electrically heated film layer. The application simultaneously feeds electric power to the first electric heating film layer and the second electric heating film layer through electrodes which are short-circuited and at least partially arranged at intervals; therefore, the resistance of the electric heating film layer can be reduced as a whole, the heating rate of the aerosol forming substrate is improved, and the use experience of a user is improved.
Description
Technical Field
The application relates to the technical field of electronic atomization, in particular to a heater and an aerosol generating device.
Background
Smoking articles such as cigarettes and cigars burn tobacco during use to produce smoke. Attempts have been made to provide alternatives to these tobacco-burning articles by creating products that release compounds without burning. An example of such a product is a so-called heated non-combustible product, which releases a compound by heating tobacco rather than burning tobacco.
The existing aerosol generating device has the problems that the resistance value of the electric heating film layer is large, the heating rate of the aerosol forming substrate is low, and the use experience of a user is low.
Disclosure of Invention
The application provides a heater and aerosol generating device, and aims to solve the problems that an electrical heating film layer in the existing aerosol generating device is large in resistance value and a heating rate of an aerosol forming substrate is low.
In one aspect, the present application provides a heater configured to heat an aerosol-forming substrate in an aerosol-generating article to generate an aerosol; the heater includes:
a base;
the electric heating film layer is arranged on the surface of the substrate; the electric heating film layer comprises a first electric heating film layer and a second electric heating film layer;
a conductive element including a first electrode and a second electrode, the first electrode and the second electrode feeding electric power to the first electrically heated film layer and the second electrically heated film layer simultaneously;
the first electrode comprises a third electrode and a fourth electrode which are in short circuit, and the second electrode comprises a fifth electrode and a sixth electrode which are in short circuit; the third electrode and the fifth electrode are each at least partially in contact with the first electrically heated film layer to form an electrical connection, and the fourth electrode and the sixth electrode are each at least partially in contact with the second electrically heated film layer to form an electrical connection.
In an example, the third electrode, the fourth electrode, the fifth electrode, and the sixth electrode all extend along the substrate axial direction;
the first electric heating film layer and the second electric heating film layer are arranged at intervals along the circumferential direction of the substrate, and the flow direction of current on the first electric heating film layer and the second electric heating film layer basically extends along the circumferential direction of the substrate.
In an example, one end of the third electrode is connected to one end of the fourth electrode, and the other end of the third electrode and the other end of the fourth electrode are disposed at intervals from each other; and/or the number of the groups of groups,
one end of the fifth electrode is connected with one end of the sixth electrode, and the other end of the fifth electrode and the other end of the sixth electrode are arranged at intervals.
In one example, the base includes a proximal end and a distal end; the junction between the third electrode and the fourth electrode is located between the electric heating film layer and the far end of the matrix, and the junction between the fifth electrode and the sixth electrode is located between the electric heating film layer and the far end of the matrix.
In one example, the first electrode and the second electrode are V-shaped.
In an example, the third electrode and the fourth electrode are arranged at intervals, the first electrode comprises a seventh electrode, one end of the seventh electrode is connected with the third electrode, and the other end of the seventh electrode is connected with the fourth electrode; and/or the number of the groups of groups,
the fifth electrode and the sixth electrode are arranged at intervals, the second electrode comprises an eighth electrode extending along the circumferential direction of the substrate, one end of the eighth electrode is connected with the fifth electrode, and the other end of the eighth electrode is connected with the sixth electrode.
In one example, the substrate includes a proximal end and a distal end, and the seventh electrode and the eighth electrode are disposed between the electrically heated film layer and the substrate distal end.
In an example, the first electrode and the second electrode are in a U-shape or an H-shape.
In an example, no electrically heated film layer is disposed between the third electrode and the fourth electrode, and no electrically heated film layer is disposed between the fifth electrode and the sixth electrode; or alternatively, the process may be performed,
the electric heating film layer further comprises a third electric heating film layer and a fourth electric heating film layer, wherein the third electric heating film layer is arranged between the third electrode and the fourth electrode, and the fourth electric heating film layer is arranged between the fifth electrode and the sixth electrode.
In one example, the substrate is configured as a tubular structure;
the inner diameter of the matrix is between 6mm and 15mm, and the axial extension length of the matrix is between 15mm and 30mm.
In one example, the electrically heated film layer includes an infrared electrothermal coating for receiving electrical power to generate heat to generate infrared light.
In one example, the electrically heated film layer has an axial extension that is less than or equal to an axial extension of the substrate.
In one example, the base includes a proximal end and a distal end;
the electric heating film layer is arranged at intervals with the proximal end and the distal end of the matrix, and the interval distance between the electric heating film layer and the proximal end of the matrix is smaller than the interval distance between the electric heating film layer and the distal end of the matrix.
In an example, the axial extension of the first electrically heated film layer is the same as the axial extension of the second electrically heated film layer, and the circumferential extension of the first electrically heated film layer is different from the circumferential extension of the second electrically heated film layer; or alternatively, the process may be performed,
the resistance of the first electric heating film layer is different from the resistance of the second electric heating film layer; or alternatively, the process may be performed,
the heating power of the first electric heating film layer is different from the heating power of the second electric heating film layer; or alternatively, the process may be performed,
the third electrode has a first circumferential distance between the fifth electrode and the first circumferential direction of the substrate, the fourth electrode has a second circumferential distance between the sixth electrode and the second circumferential direction of the substrate, and the first circumferential distance is different from the second circumferential distance.
Another aspect of the present application provides an aerosol-generating device comprising:
a housing assembly;
a heater disposed within the housing assembly;
and the battery cell is used for providing electric power.
The heater and the aerosol generating device provided by the application feed electric power to the first electric heating film layer and the second electric heating film layer simultaneously through the shorted electrodes; therefore, the resistance of the electric heating film layer can be reduced as a whole, the heating rate of the aerosol forming substrate is improved, and the use experience of a user is improved.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures are not to scale, unless expressly stated otherwise.
Fig. 1 is a schematic view of an aerosol-generating device provided in an embodiment of the present application;
fig. 2 is an exploded schematic view of an aerosol-generating device provided by an embodiment of the present application;
FIG. 3 is a schematic diagram of a heater provided in an embodiment of the present application;
FIG. 4 is a schematic plan view of a heater according to an embodiment of the present application;
FIG. 5 is a schematic plan view of another heater provided in an embodiment of the present application;
fig. 6 is a schematic plan view of yet another heater provided in an embodiment of the present application.
Detailed Description
In order to facilitate an understanding of the present application, the present application will be described in more detail below with reference to the accompanying drawings and detailed description. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper", "lower", "left", "right", "inner", "outer" and the like are used in this specification for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application in this description is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
Fig. 1-2 illustrate an aerosol-generating device 100 according to an embodiment of the present application, the aerosol-generating device 100 comprising a housing assembly 6 and a heater 11, the heater 11 being arranged within the housing assembly 6.
The housing assembly 6 includes a housing 61, a fixing housing 62, a base and a bottom cover 64, wherein the fixing housing 62 and the base are both fixed in the housing 61, the base is used for fixing the heater 11, the base is disposed in the fixing housing 62, and the bottom cover 64 is disposed at one end of the housing 61 and covers the housing 61.
The base includes the base 15 of setting in the proximal end of heater 11 and sets up the base 13 at the distal end of heater 11, in fixed shell 62 is all located to base 15 and base 13, the bottom 64 epirelief is equipped with intake pipe 641, the one end that base 13 deviates from base 15 is connected with intake pipe 641, base 15, heater 11, base 13 and intake pipe 641 are coaxial to be set up, and seal through the sealing member between heater 11 and base 15, the base 13, base 13 also seals with intake pipe 641, intake pipe 641 and external air intercommunication can smoothly admit air when being convenient for the user to suck.
The aerosol-generating device 100 further comprises an electrical circuit 3 and a battery cell 7. The fixed shell 62 includes preceding shell 621 and backshell 622, preceding shell 621 and backshell 622 fixed connection, and circuit 3 and electric core 7 all set up in fixed shell 62, and electric core 7 is connected with the circuit 3 electricity, and button 4 is protruding to be established on shell 61, through pressing button 4, can realize the circular telegram or the outage to the electrical heating rete on the heater 11, and the electrical heating rete includes the electrothermal coating, and the preferred adoption can radiate infrared electrothermal coating. The circuit 3 is further connected to a charging interface 31, the charging interface 31 is exposed on the bottom cover 64, and a user can charge or upgrade the aerosol-generating device 100 through the charging interface 31 to ensure continuous use of the aerosol-generating device 100.
The aerosol-generating device 100 further comprises a heat insulating tube 17, the heat insulating tube 17 being disposed within the stationary housing 62, the heat insulating tube 17 being disposed at the periphery of the heater 11, the heat insulating tube 17 being adapted to avoid a significant amount of heat being transferred to the housing 61 to cause the user to feel scalding his hands. The insulating tube comprises an insulating material which may be a heat insulating gel, aerogel blanket, asbestos, aluminum silicate, calcium silicate, diatomaceous earth, zirconia, or the like. The heat insulating pipe 17 may be a vacuum heat insulating pipe. The heat insulating pipe 17 may further be formed with an infrared reflective coating to reflect part of heat radiated from the heater 11 back to the heater 11, thereby improving heating efficiency.
The aerosol-generating device 100 further comprises a temperature sensor 2, such as an NTC thermistor, PTC thermistor or thermocouple, for detecting the real-time temperature of the heater 11 and transmitting the detected real-time temperature to the circuit 3, the circuit 3 adjusting the magnitude of the current flowing through the heater 11 in dependence on the real-time temperature.
Fig. 3-4 are diagrams of a heater provided in a first example of the present application. As shown in fig. 3 to 4, the heater 11 includes:
the base 111 has a chamber formed therein adapted to receive an aerosol-forming substrate.
Specifically, base 111 includes a proximal end and a distal end, and a surface extending between the proximal and distal ends. The inside of the base 111 is hollow to form the chamber. The base 111 may be tubular, such as cylindrical, prismatic, or other cylindrical. The base 111 is preferably cylindrical, and the chamber is a cylindrical hole extending through the middle of the base 111.
In one example, the inner diameter of the base 111 is between 6mm and 15mm, or between 7mm and 14mm, or between 7mm and 12mm, or between 7mm and 10mm. The axial extension of the base body 111 is 15mm to 30mm, or 15mm to 28mm, or 15mm to 25mm, or 16mm to 25mm, or 18mm to 24mm, or 18mm to 22mm. The matrix 111 of this size is suitable for use in a short and thick aerosol-generating article.
In one example, the inner diameter of the base 111 is between 5mm and 5.9mm, and in a specific example may be 5.5mm, 5.4mm, etc. The axial extension of the base 111 is between 30mm and 60mm, or between 30mm and 55mm, or between 30mm and 50mm, or between 30mm and 45mm, or between 30mm and 40mm. The substrate 111 of this size is suitable for use in an elongated aerosol-generating article.
The substrate 111 may be made of a material that is resistant to high temperature and transmits infrared rays, such as quartz glass, ceramic, or mica, or may be made of other materials having high infrared transmittance, for example: the high temperature resistant material having an infrared transmittance of 95% or more is not particularly limited herein.
An aerosol-forming substrate is a substrate capable of releasing volatile compounds that can form an aerosol. Such volatile compounds may be released by heating the aerosol-forming substrate. The aerosol-forming substrate may be solid or liquid or comprise solid and liquid components. The aerosol-forming substrate may be adsorbed, coated, impregnated or otherwise loaded onto a carrier or support. The aerosol-forming substrate may conveniently be part of an aerosol-generating article.
The aerosol-forming substrate may comprise nicotine. The aerosol-forming substrate may comprise tobacco, for example may comprise a tobacco-containing material comprising volatile tobacco flavour compounds which are released from the aerosol-forming substrate when heated. The aerosol-forming substrate may comprise at least one aerosol-forming agent, which may be any suitable known compound or mixture of compounds that, in use, facilitates the formation of a dense and stable aerosol and is substantially resistant to thermal degradation at the operating temperature of the aerosol-generating system. Suitable aerosol formers are well known in the art and include, but are not limited to: polyols, such as triethylene glycol, 1, 3-butanediol and glycerol; esters of polyols, such as glycerol mono-, di-or triacetate; and fatty acid esters of mono-, di-or polycarboxylic acids, such as dimethyldodecanedioate and dimethyltetradecanedioate.
The infrared electrothermal coating 112 receives electric power to generate heat, and thus generates infrared rays with a certain wavelength, for example: far infrared rays of 8-15 μm penetrate through the substrate 111 and heat the aerosol-forming substrate in the chamber. When the wavelength of the infrared light matches the absorption wavelength of the aerosol-forming substrate, the energy of the infrared light is readily absorbed by the aerosol-forming substrate.
The infrared electrothermal coating 112 is preferably formed by uniformly stirring far infrared electrothermal ink, ceramic powder and inorganic adhesive, coating on the outer surface of the substrate 111, and then drying and curing for a certain time, wherein the thickness of the infrared electrothermal coating 112 is 30-50 μm; of course, the infrared electrothermal coating 112 can also be formed by mixing and stirring tin tetrachloride, tin oxide, antimony trichloride, titanium tetrachloride and anhydrous copper sulfate according to a certain proportion and then coating the mixture on the outer surface of the substrate 111; or one of a silicon carbide ceramic layer, a carbon fiber composite layer, a zirconium titanium oxide ceramic layer, a zirconium titanium nitride ceramic layer, a zirconium titanium boride ceramic layer, a zirconium titanium carbide ceramic layer, an iron oxide ceramic layer, an iron nitride ceramic layer, an iron boride ceramic layer, an iron carbide ceramic layer, a rare earth oxide ceramic layer, a rare earth nitride ceramic layer, a rare earth boride ceramic layer, a rare earth carbide ceramic layer, a nickel cobalt oxide ceramic layer, a nickel cobalt nitride ceramic layer, a nickel cobalt boride ceramic layer, a nickel cobalt carbide ceramic layer, or a high silicon molecular sieve ceramic layer; infrared electrothermal coating 112 may also be an existing coating of other materials.
An infrared electrothermal coating 112 is formed on the surface of the substrate 111. The infrared electrothermal coating 112 may be formed on the outer surface of the base 111 or may be formed on the inner surface of the base 111.
In a preferred implementation, infrared electrothermal coating 112 is formed on the outer surface of substrate 111. The infrared electrothermal coating 112 is spaced from the proximal end or the distal end of the substrate 111, i.e., the axial extension of the infrared electrothermal coating 112 is smaller than the axial extension of the substrate 111; in other examples, it is also possible that the infrared electrothermal coating 112 is not spaced from the proximal or distal end of the substrate 111, i.e., the infrared electrothermal coating 112 has an axial extension equal to the axial extension of the substrate 111. In one example, the distance between the infrared electrothermal coating 112 and the proximal end of the substrate 111 is 0-1 mm, and the distance between the infrared electrothermal coating 112 and the distal end of the substrate 111 is 2.5-4 mm, i.e., the distance between the infrared electrothermal coating 112 and the proximal end of the substrate 111 is less than the distance between the infrared electrothermal coating 112 and the distal end of the substrate 111.
Along the circumferential direction of the substrate 111, the infrared electrothermal coating 112 includes an infrared electrothermal coating 112a, an infrared electrothermal coating 112b, an infrared electrothermal coating 112c, and an infrared electrothermal coating 112d that are disposed at intervals.
The conductive element, including electrode 113 and electrode 114 disposed on substrate 111 at intervals, is used to feed the electric power provided by cell 7 to infrared electrothermal coating 112.
The electrodes 113 and 114 may be conductive coatings, which may be metal coatings, which may include silver, gold, palladium, platinum, copper, nickel, molybdenum, tungsten, niobium, or metal alloy materials described above.
The electrode 113 has a substantially U-shape, and includes an electrode 113a extending in the circumferential direction of the base 111 and having an arc shape, an electrode 113b extending in the axial direction of the base 111 and having a bar shape, and an electrode 113c.
An electrode 113a is disposed between the distal end of the substrate 111 and the infrared electrothermal coating 112. An electrode 113a is spaced from the distal end of the substrate 111 and the infrared electrothermal coating 112. The separation distance between electrode 113a and infrared electrothermal coating 112 is slightly greater than the separation distance between electrode 113a and the distal end of substrate 111; in a specific example, the electrode 113a is spaced from the infrared electrothermal coating 112 by a distance of about 1mm, and the electrode 113a is spaced from the distal end of the base 111 by a distance of about 0.5mm.
The electrodes 113b and 113c are arranged at intervals in the circumferential direction of the base 111. The electrode 113b and the electrode 113c are substantially parallel; of course, it is also possible that the electrode 113b and the electrode 113c are not parallel. The electrode 113b and the electrode 113c are shorted by the electrode 113 a. Specifically:
one end of the electrode 113b is connected to the electrode 113a, and the other end of the electrode 113b is disposed near the proximal end of the base 111 after extending in the axial direction of the base 111. The axial extension of electrode 113b is greater than the axial extension of infrared electrothermal coating 112 a. The partial electrode 113b is held in contact with the infrared electrothermal coating 112a to form an electrical connection, and the partial electrode 113b is also held in contact with the infrared electrothermal coating 112 c.
One end of the electrode 113c is connected to the electrode 113a, and the other end of the electrode 113c is disposed near the proximal end of the base 111 after extending in the axial direction of the base 111. The axial extension of electrode 113c is greater than the axial extension of infrared electrothermal coating 112b. The partial electrode 113c is held in contact with the infrared electrothermal coating 112b to form an electrical connection, and the partial electrode 113c is also held in contact with the infrared electrothermal coating 112 c.
The electrode 114 has a substantially U-shape, and includes an electrode 114a extending in the circumferential direction of the base 111 and having an arc shape, an electrode 114b extending in the axial direction of the base 111 and having a bar shape, and an electrode 114c.
The structural design of electrode 114a is similar to the structural design of electrode 113a, the structural design of electrode 114b is similar to the structural design of electrode 113b, and the structural design of electrode 114c is similar to the structural design of electrode 113c. In contrast, partial electrode 114b remains in contact with infrared electrothermal coating 112a to form an electrical connection, and partial electrode 114b also remains in contact with infrared electrothermal coating 112 d; a portion of electrode 114c is held in contact with infrared electrothermal coating 112b to form an electrical connection, and portion of electrode 114c is also held in contact with infrared electrothermal coating 112d.
After electrode 113 and electrode 114 are conductive, electrode 113 and electrode 114 feed the electrical power provided by cell 7 to infrared electrothermal coating 112a and infrared electrothermal coating 112b simultaneously. That is, the infrared electrothermal coating 112a and the infrared electrothermal coating 112b are equivalent to being connected in parallel between the electrode 113 and the electrode 114. By the parallel connection of the infrared electrothermal coating, the resistance of the infrared electrothermal coating 112 can be reduced as a whole.
Assuming that current flows from electrode 113 and from electrode 114, the current flow on infrared electrothermal coating 112a and infrared electrothermal coating 112b is substantially extended in the circumferential direction of substrate 111 (as indicated by the dashed arrows in the figure). If the current flow direction on infrared electrothermal coating 112a extends substantially clockwise in the circumferential direction of substrate 111, the current flow direction on infrared electrothermal coating 112b extends substantially counterclockwise in the circumferential direction of substrate 111.
Infrared electrothermal coating 112c is electrically connected between electrode 113b and electrode 113c, and infrared electrothermal coating 112d is electrically connected between electrode 114b and electrode 114c. Since electrode 113b and electrode 113c are partially shorted by electrode 113a and electrode 114b and electrode 114c are partially shorted by electrode 114a, no current flows through infrared electrothermal coating 112c and infrared electrothermal coating 112d, i.e., infrared electrothermal coating 112c and infrared electrothermal coating 112d do not actively generate heat during energization.
Thus, in the initial heating process, since the infrared electrothermal coating 112a and the infrared electrothermal coating 112b are electrified to generate heat, the infrared electrothermal coating 112c and the infrared electrothermal coating 112d will not actively generate heat during the electrification, and a non-uniform temperature field with high and low temperature staggering is formed along the circumferential direction of the substrate 111, and the temperature field is favorable for volatilizing different components in the aerosol forming substrate, so that the aerosol with rich taste is formed.
As the heating time increases, the temperature of the infrared electrothermal coating 112c and the infrared electrothermal coating 112d will increase due to the effect of heat conduction, and thus infrared rays may be radiated to heat the aerosol-forming substrate in the corresponding region. Thus, the consistency of suction can be further maintained, and the user can suck enough aerosol with rich taste in the later period.
It should be noted that, in the examples of fig. 3 to 4, the infrared electrothermal coating 112c is not held in contact with the electrode 113b and the electrode 113c, and is also possible to be provided only between the electrode 113b and the electrode 113c. It is also possible that infrared electrothermal coating 112d is not held in contact with electrode 114b and electrode 114c, but is disposed only between electrode 114b and electrode 114c.
The resistance of the infrared electrothermal coating 112a or the infrared electrothermal coating 112b can be adjusted as needed. According to the general calculation formula r=ρl/S of the resistance, the resistance value of the resistance depends on L, S when the resistivity ρ is constant (the resistivity ρ is constant when the infrared electrothermal coating is uniformly applied). Thus, the resistance value of each infrared electrothermal coating can be adjusted by setting the L, S parameters of the infrared electrothermal coating. For example: reducing the circumferential distance between electrode 113b and electrode 114b or the circumferential distance between electrode 113c and electrode 114c may reduce the resistance of infrared electrothermal coating 112a or infrared electrothermal coating 112 b; at the same time, the circumferential distance between infrared electrothermal coating 112c and infrared electrothermal coating 112d increases, and the corresponding resistance will increase. By adjusting the equivalent resistance of each infrared electrothermal coating, the power distribution of each region can be adjusted, thereby adjusting the temperature distribution of each region.
It will be appreciated that the resistance values between the parallel-connected infrared electrothermal coating 112a and infrared electrothermal coating 112b may be the same or may be different (e.g., the axial extension lengths of infrared electrothermal coating 112a and infrared electrothermal coating 112b are the same and the circumferential extension lengths are different; or, electrode 113b has a first circumferential distance between electrode 114b and electrode 113b in the counterclockwise direction of substrate 111, and electrode 113c has a second circumferential distance between electrode 114c and electrode 111 in the clockwise direction of substrate 111, the first circumferential distance being different from the second circumferential distance); the heating power is similar to this. The number of the infrared electrothermal coating 112a and the infrared electrothermal coating 112b is not limited, and may be plural.
In one example, if the equivalent resistance of infrared electrothermal coating 112a is relatively small compared to infrared electrothermal coating 112b, the heating power of infrared electrothermal coating 112a is relatively higher and the heating speed is relatively faster; in this way, the temperature of the aerosol-forming substrate portion corresponding to the infrared electrothermal coating 112a can be quickly increased and a smokable aerosol can be generated, so that the preheating time of the aerosol-forming substrate is shortened and the waiting time for suction is reduced, compared with the aerosol-forming substrate portion corresponding to the infrared electrothermal coating 112b.
It should be noted that the heating rate of the infrared electrothermal coating 112a is faster than the heating rate of the infrared electrothermal coating 112b, which can be verified by the following means: setting the same preset temperature, when the heating temperature of the infrared electrothermal coating 112a reaches the preset temperature from the initial temperature (e.g., ambient temperature), if the heating temperature of the infrared electrothermal coating 112b is lower than the preset temperature, it may be indicated that the heating speed of the infrared electrothermal coating 112a is faster than that of the infrared electrothermal coating 112b. The preset temperature may be the maximum temperature of the aerosol-generating device 100 or may be the operating temperature, i.e. the temperature at which the aerosol-forming substrate is capable of generating an aerosol.
It should be noted that, in the examples of fig. 3-4, the electrode 113a and the electrode 114a are disposed near the distal end of the base 111, so as to facilitate the routing with the battery cell 7, for example: a first wire electrically connected to the electrode 113, and a second wire electrically connected to the electrode 114, one ends of the first wire and the second wire may be disposed at the distal end of the base 111, and the other ends of the first wire and the second wire may be electrically connected to the battery cell 7.
Fig. 5 is a heater provided in a second example of the present application.
Unlike the examples of fig. 3-4, no infrared electrothermal coating 112c is disposed between electrode 113b and electrode 113c, and no infrared electrothermal coating 112d is disposed between electrode 114b and electrode 114c.
It should be noted that, in an alternative example, the electrode 113a is disposed between the electrode 113b and the electrode 113c, and the electrode 114a is disposed between the electrode 114b and the electrode 114c, so that the electrode 113 and the electrode 114 have an H-shape, which is also possible.
Fig. 6 is a heater provided in a third example of the present application.
Unlike the examples of fig. 3-4, electrode 113 is not provided with electrode 113a and electrode 114 is not provided with electrode 114a. The electrodes 113 and 114 have a V-shape. Specifically, one end of the electrode 113b is connected to one end of the electrode 113c so that a short circuit is formed between the electrode 113b and the electrode 113 c; the other end of the electrode 113b and the other end of the electrode 113c extend in the axial direction of the base 111 and are disposed at intervals from each other; a short between electrode 113b and electrode 113c is disposed between the distal end of substrate 111 and infrared electrothermal coating 112. Electrode 114b is similarly configured to electrode 114c.
It should be noted that the structural designs of the electrode 113 and the electrode 114 may be different, for example, it is also possible that the electrode 113 has a U-shape and the electrode 114 has a V-shape.
It should be noted that the description and drawings of the present application show preferred embodiments of the present application, but the present application may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, which are not to be construed as additional limitations on the content of the present application, but are provided for the purpose of providing a more thorough understanding of the present disclosure. The above-described features are further combined with each other to form various embodiments not listed above, and are considered to be the scope described in the present specification; further, modifications and variations of the present utility model may occur to those skilled in the art in light of the foregoing teachings, and all such modifications and variations are intended to be within the scope of the appended claims.
Claims (15)
1. A heater configured to heat an aerosol-forming substrate in an aerosol-generating article to generate an aerosol; characterized in that the heater comprises:
a base;
the electric heating film layer is arranged on the surface of the substrate; the electric heating film layer comprises a first electric heating film layer and a second electric heating film layer;
a conductive element including a first electrode and a second electrode, the first electrode and the second electrode feeding electric power to the first electrically heated film layer and the second electrically heated film layer simultaneously;
the first electrode comprises a third electrode and a fourth electrode which are in short circuit, and the second electrode comprises a fifth electrode and a sixth electrode which are in short circuit; the third electrode and the fifth electrode are each at least partially in contact with the first electrically heated film layer to form an electrical connection, and the fourth electrode and the sixth electrode are each at least partially in contact with the second electrically heated film layer to form an electrical connection.
2. The heater of claim 1 wherein the third electrode, the fourth electrode, the fifth electrode, and the sixth electrode each extend in the substrate axial direction;
the first electric heating film layer and the second electric heating film layer are arranged at intervals along the circumferential direction of the substrate, and the flow direction of current on the first electric heating film layer and the second electric heating film layer basically extends along the circumferential direction of the substrate.
3. A heater according to claim 1, wherein,
one end of the third electrode is connected with one end of the fourth electrode, and the other end of the third electrode and the other end of the fourth electrode are arranged at intervals; and/or the number of the groups of groups,
one end of the fifth electrode is connected with one end of the sixth electrode, and the other end of the fifth electrode and the other end of the sixth electrode are arranged at intervals.
4. A heater according to claim 3, wherein the base comprises a proximal end and a distal end; the junction between the third electrode and the fourth electrode is located between the electric heating film layer and the far end of the matrix, and the junction between the fifth electrode and the sixth electrode is located between the electric heating film layer and the far end of the matrix.
5. A heater according to claim 3, wherein the first and second electrodes are V-shaped.
6. A heater according to claim 1, wherein,
the third electrode and the fourth electrode are arranged at intervals, the first electrode comprises a seventh electrode, one end of the seventh electrode is connected with the third electrode, and the other end of the seventh electrode is connected with the fourth electrode; and/or the number of the groups of groups,
the fifth electrode and the sixth electrode are arranged at intervals, the second electrode comprises an eighth electrode extending along the circumferential direction of the substrate, one end of the eighth electrode is connected with the fifth electrode, and the other end of the eighth electrode is connected with the sixth electrode.
7. The heater of claim 6 wherein the substrate comprises a proximal end and a distal end, the seventh electrode and the eighth electrode being disposed between the electrically heated film layer and the substrate distal end.
8. The heater of claim 6, wherein the first electrode and the second electrode are U-shaped or H-shaped.
9. The heater of claim 1, wherein no electrically heated film is disposed between the third electrode and the fourth electrode, and no electrically heated film is disposed between the fifth electrode and the sixth electrode; or alternatively, the process may be performed,
the electric heating film layer further comprises a third electric heating film layer and a fourth electric heating film layer, wherein the third electric heating film layer is arranged between the third electrode and the fourth electrode, and the fourth electric heating film layer is arranged between the fifth electrode and the sixth electrode.
10. The heater of claim 1 wherein said base is configured as a tubular structure;
the inner diameter of the matrix is between 6mm and 15mm, and the axial extension length of the matrix is between 15mm and 30mm.
11. The heater of claim 1, wherein the electrically heated film layer comprises an infrared electrothermal coating for receiving electrical power to generate heat to generate infrared light.
12. The heater of claim 1, wherein the electrically heated film has an axial extension that is less than or equal to an axial extension of the substrate.
13. The heater of claim 1 wherein said base comprises a proximal end and a distal end;
the electric heating film layer is arranged at intervals with the proximal end and the distal end of the matrix, and the interval distance between the electric heating film layer and the proximal end of the matrix is smaller than the interval distance between the electric heating film layer and the distal end of the matrix.
14. The heater of claim 1, wherein the first electrically heated film layer has an axial extension that is the same as the axial extension of the second electrically heated film layer, and the first electrically heated film layer has a circumferential extension that is different from the circumferential extension of the second electrically heated film layer; or alternatively, the process may be performed,
the resistance of the first electric heating film layer is different from the resistance of the second electric heating film layer; or alternatively, the process may be performed,
the heating power of the first electric heating film layer is different from the heating power of the second electric heating film layer; or alternatively, the process may be performed,
the third electrode has a first circumferential distance between the fifth electrode and the first circumferential direction of the substrate, the fourth electrode has a second circumferential distance between the sixth electrode and the second circumferential direction of the substrate, and the first circumferential distance is different from the second circumferential distance.
15. An aerosol-generating device, comprising:
a housing assembly;
the heater of any one of claims 1-14, disposed within the housing assembly;
and the battery cell is used for providing electric power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223291203.XU CN219353089U (en) | 2022-12-08 | 2022-12-08 | Heater and aerosol generating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223291203.XU CN219353089U (en) | 2022-12-08 | 2022-12-08 | Heater and aerosol generating device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060982A1 (en) * | 2022-09-22 | 2024-03-28 | 深圳市合元科技有限公司 | Heating assembly and aerosol generating apparatus |
| WO2024120141A1 (en) * | 2022-12-08 | 2024-06-13 | 深圳市合元科技有限公司 | Heater and aerosol generating apparatus |
| WO2024120193A1 (en) * | 2022-12-08 | 2024-06-13 | 深圳市合元科技有限公司 | Heater and manufacturing method therefor, and aerosol generating device |
-
2022
- 2022-12-08 CN CN202223291203.XU patent/CN219353089U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060982A1 (en) * | 2022-09-22 | 2024-03-28 | 深圳市合元科技有限公司 | Heating assembly and aerosol generating apparatus |
| WO2024120141A1 (en) * | 2022-12-08 | 2024-06-13 | 深圳市合元科技有限公司 | Heater and aerosol generating apparatus |
| WO2024120193A1 (en) * | 2022-12-08 | 2024-06-13 | 深圳市合元科技有限公司 | Heater and manufacturing method therefor, and aerosol generating device |
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