CN114468386A - Heating device and low-temperature non-combustion smoking set - Google Patents
Heating device and low-temperature non-combustion smoking set Download PDFInfo
- Publication number
- CN114468386A CN114468386A CN202111660783.2A CN202111660783A CN114468386A CN 114468386 A CN114468386 A CN 114468386A CN 202111660783 A CN202111660783 A CN 202111660783A CN 114468386 A CN114468386 A CN 114468386A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 91
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 23
- 230000000391 smoking effect Effects 0.000 title claims abstract description 22
- 239000000779 smoke Substances 0.000 claims description 5
- 235000019504 cigarettes Nutrition 0.000 description 17
- 239000012530 fluid Substances 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000003571 electronic cigarette Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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
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- Resistance Heating (AREA)
Abstract
The invention relates to a heating device and a low-temperature non-combustion smoking set, the heating device comprises a heating body and a support, the heating body is arranged at one end of the support, the support is provided with a first through groove, the heating body is used for generating heat, at least one second through groove is arranged on the heating body, each second through groove is communicated with the first through groove, the sum of the sectional areas of all the second through grooves is larger than the sectional area of one end of the first through groove far away from the second through groove, so that the flow rate of gas entering the second through groove from the first through groove is reduced, the time for the gas to pass through the second through groove is longer under the condition of not increasing the length of the heating device, the structure of the heating device is small and exquisite, the heat loss is less, compared with the existing condition of arranging small holes, the arrangement of the second through groove is simpler and more convenient, and the heat exchange area of air flowing through the heating body is larger, so that the heating temperature of the air flow can be reliably ensured.
Description
Technical Field
The invention relates to the technical field of electronic cigarettes, in particular to a heating device and a low-temperature non-combustion smoking set.
Background
Along with the improvement of life quality and environmental protection concept, more and more people realize the harm of cigarette to human health and the pollution of cigarette smoke to atmospheric environment, especially indoor environment, and it is imperative to forbid the cigarette and reduce the harm, and in order to solve the dependence of smokers on cigarette, the low temperature that is used for replacing traditional cigarette does not burn the smoking set and takes place.
And for the low-temperature non-combustion smoking set, the heating device is used as a core component for heating the gas to the required temperature and then enabling the gas to flow through the non-combustion cigarettes so as to achieve the effect of baking the cigarettes. The existing heating device comprises a heating body and a heating bracket, and in order to enable the air to have a larger heat exchange area when flowing through the heating body, a plurality of small holes are formed in the heating body at present, but the small holes are difficult to form, so that the cost of the heating device is higher; in order to prolong the air circulation path and time, the length of the heating element is larger at present, the volume is increased along with the heating element, and the heat loss is larger.
Therefore, it is an urgent technical problem to provide a heat generating device with a compact structure and capable of ensuring the temperature of the air flow.
Disclosure of Invention
In view of the above, it is desirable to provide a heat generating device and a low temperature non-combustion smoking set, which are compact and can ensure the temperature of the air flow.
The invention provides a heating device which comprises a heating body and a support, wherein the heating body is arranged at one end of the support, the support is provided with a first through groove, the heating body is used for generating heat, at least one second through groove is formed in the heating body, each second through groove is communicated with the first through groove, and the sum of the sectional areas of all the second through grooves is larger than the sectional area of one end, far away from the second through groove, of the first through groove.
In the heating device, the gas enters the bracket through the first through groove, and continues to enter the heating element through the plurality of second through grooves in a dispersed manner, and a hot gas flow is formed through heating of the heating element. According to fluid mechanics formula Q ═ S V, wherein, Q is fluidic flow, S is the sectional area of pipeline, V is the velocity of flow, because the sectional area sum that all second led to the groove is greater than the first sectional area that leads to groove and keep away from second through groove one end, make the gaseous velocity of flow that gets into after the second led to the groove from first logical groove reduce, and then make the gaseous time through the second logical inslot longer under the circumstances that need not to increase the length of the device that generates heat, the structure of the device that generates heat is small and exquisite, the heat loss is less, and through setting up the second on the heat-generating body and leading to the groove, for the current circumstances of seting up the aperture, the setting up that the second led to the groove is comparatively simple and convenient, the air is great at the heat exchange area through the heat-generating body simultaneously, in order to guarantee the heating temperature of air current comparatively reliably.
In one embodiment, all the second through slots have the same cross-sectional area.
In one embodiment, the openings of all the second through slots have the same shape, and the opening shape of the second through slot is one of a circle, a rectangle or an ellipse.
In one embodiment, all the second through grooves are annularly distributed in an inner layer and an outer layer.
In one embodiment, the bracket is a stepped cavity structure with openings at two ends, and includes a first shell and a second shell, wherein:
the first shell is of a T-shaped structure, a first through hole is formed in the first shell, and the sectional area of the first through hole is smaller than the sum of the sectional areas of all the second through grooves;
the second shell is arranged at the transverse line end of the first shell, a second through hole is formed in the second shell, the second through hole is communicated with the first through hole, and the opening area of the second through hole is larger than that of the first through hole;
the second shell and the heating body are detachably connected through a connecting pipe.
In one embodiment, the heating element is embedded in the connecting pipe, and the connecting pipe is sleeved outside the second shell and is fixedly connected with the outer wall of the second shell.
In one embodiment, all projections of the second through slots on the bracket fall into the first through holes and are positioned outside the second through holes.
In one embodiment, the heating element and the bracket are coaxial, and all the second through grooves are symmetrically distributed about the axes of the heating element and the bracket.
In addition, the invention also provides a low-temperature non-combustion smoking set, which comprises an outer tube and the heating device in any technical scheme, wherein the heating device is arranged on one side of the outer tube and communicated with the outer tube.
In the low-temperature non-combustion smoking set, because the heating device is internally provided with the gas which enters the bracket through the first through groove and continues to enter the heating body through the plurality of second through grooves in a dispersed manner, and the gas is heated by the heating body to form hot gas flow. According to fluid mechanics formula Q ═ S V, wherein, Q is fluidic flow, S is the sectional area of pipeline, V is the velocity of flow, because the sectional area sum that all second led to the groove is greater than the first sectional area that leads to groove and keep away from second through groove one end, make the gaseous velocity of flow that gets into after the second led to the groove from first logical groove reduce, and then make the gaseous time through the second logical inslot longer under the circumstances that need not to increase the length of the device that generates heat, the structure of the device that generates heat is small and exquisite, the heat loss is less, and through setting up the second on the heat-generating body and leading to the groove, for the current circumstances of seting up the aperture, the setting up that the second led to the groove is comparatively simple and convenient, the air is great at the heat exchange area through the heat-generating body simultaneously, in order to guarantee the heating temperature of air current comparatively reliably. Therefore, in the low-temperature non-combustion smoking set with the heating device, the temperature of the airflow passing through the heating device reaches a set value, the non-combustion cigarettes can be baked stably, and the low-temperature non-combustion smoking set is small in structure.
In one embodiment, an annular boss is formed on the inner wall of the outer tube, the heat generating device is arranged on one side of the annular boss, and the non-combustible smoke support is arranged on the other side of the annular boss.
Drawings
Fig. 1 is a schematic structural diagram of a heat generating device provided in the present invention;
FIG. 2 is another schematic structural diagram of a heat generating device according to the present invention;
FIG. 3 is a cross-sectional view of a heat generating device provided by the present invention;
FIG. 4 is a schematic view of the airflow of the heat generating device of FIG. 3;
FIG. 5 is a schematic structural view of a low temperature non-combustion smoking set provided by the present invention;
FIG. 6 is a schematic view of the airflow of the low temperature non-burning smoking article of FIG. 5.
Reference numerals:
01. a low temperature non-burning smoking set;
10. a heat generating device;
100. a heating element; 110. a second through groove;
200. a support; 210. a first through groove; 211. a first through hole; 212. a second through hole; 220. a first housing; 221. a first column; 222. a first plate body; 230. a second housing;
300. a connecting pipe;
20. an outer tube; 21. an annular boss;
30. the cigarette is not burnt.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The technical scheme provided by the embodiment of the invention is described below by combining the accompanying drawings.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a heat generating device 10 for heating gas to a desired temperature to bake a non-burning cigarette 30, wherein the heat generating device 10 includes two parts, namely a heat generating body 100 and a support 200, wherein:
the heating element 100 and the holder 200 are arranged in sequence, and the heating element 100 is installed at one end of the holder 200; in the specific arrangement, the heating element 100 and the bracket 200 can be fixedly connected by bonding with a binder, welding and the like, so that the structure is simple; the heating element 100 and the support 200 can be detachably connected into a whole by a concave-convex fit, a snap connection, a screw connection and the like, so that the heating element can be conveniently assembled, disassembled and replaced.
The bracket 200 is provided with a first through groove 210, and the first through groove 210 is opened on the end surface of the bracket 200 and penetrates through the bracket along the thickness direction of the bracket 200; in a specific arrangement, since a person smokes, the amount of gas pumped per one mouth is about 30ml or more, and the time is about 1 second to 2 seconds, according to the amount of gas flow and the resistance to smoking, the diameter of the first through groove 210 is determined to be 0.5mm to 3.0mm, preferably, the diameter of the first through groove 210 is 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm, or 3mm, and of course, the diameter of the first through groove 210 is not limited thereto, and may be other values that can meet the requirements; the shape of the first through groove 210 may be one of a circle, a rectangle, and an ellipse, and of course, the shape of the first through groove 210 is not limited thereto, and may be other shapes that can meet the requirement.
The heating element 100 is used for generating heat, and at least one second through groove 110 is opened on the heating element 100, the second through groove 110 is opened on the end face of the heating element 100, and penetrates along the heating element 100 along the thickness direction of the heating element 100; in a specific arrangement, the number of the second through grooves 110 may be one, two, three, four, five, six, or more than six, and certainly, the number of the second through grooves 110 is not limited thereto; the heating element 100 may be an electric heating block, and the heating element 100 may also be an electric heating sheet, however, the structural form of the heating element 100 is not limited thereto, and may also be other structures capable of meeting the requirements; the sectional area of the second through groove 110 is larger than that of the air flow hole in the conventional heat generating device 10, and the volume of the heat generating body 100 is smaller than that of the conventional heat generating device 10.
Each second through groove 110 is communicated with the first through groove 210, and the sum of the sectional areas of all the second through grooves 110 is larger than the sectional area of one end of the first through groove 210 far away from the second through groove 110; in a specific arrangement, the plurality of second through grooves 110 are arranged in parallel, the first through groove 210 is located at one side of the plurality of second through grooves 110, and the gas flows out of the first through groove 210 and flows into the plurality of second through grooves 110 respectively under the action of the difference between the internal pressure and the external pressure.
In the above-mentioned heat generating device 10, the gas enters the holder 200 through the first through groove 210, and then continues to enter the heat generating body 100 through the plurality of second through grooves 110 in a dispersed manner, and is heated by the heat generating body 100 to form a hot airflow. According to the fluid mechanics formula Q ═ S × V, wherein Q is the flow of fluid, S is the sectional area of the pipeline, V is the flow velocity, because the sum of the sectional areas of all the second through grooves 110 is greater than the sectional area of one end of the first through groove 210 far away from the second through groove 110, the flow velocity of the gas entering the second through groove 110 from the first through groove 210 is reduced, and further the time of the gas passing through the second through groove 110 is longer without increasing the length of the heating device 10, the structure of the heating device 10 is small and exquisite, the heat loss is less, and by arranging the second through groove 110 on the heating body 100, compared with the existing situation of arranging small holes, the arrangement of the second through groove 110 is simpler and more convenient, and the heat exchange area of the air flowing through the heating body 100 is larger, so as to be able to ensure the heating temperature of the air flow more reliably.
In order to facilitate the arrangement of the second through grooves 110, in a preferred embodiment, as shown in fig. 1, 3 and 4, the cross-sectional areas of all the second through grooves 110 are the same, so that the same jig is used to process all the second through grooves 110, or the second through grooves 110 are formed in the same manner, so that the second through grooves 110 are more conveniently formed on the heating body 100; certainly, the cross-sectional areas of the second through grooves 110 are not limited thereto, and the cross-sectional areas of all the second through grooves 110 may be different to be suitable for special application scenarios, or the cross-sectional areas of a part of the second through grooves 110 may be the same, and the cross-sectional areas of another part of the second through grooves 110 may be different to be suitable for different application scenarios, the opening shapes of the second through grooves 110 may be the same or different, the opening shapes of the second through grooves 110 may be regular shapes, and the opening shapes of the second through grooves 110 may also be irregular shapes.
In order to facilitate the arrangement of the second through grooves 110, in a preferred embodiment, the openings of all the second through grooves 110 have the same shape, and all the second through grooves 110 are processed by using jigs having the same shape, or the second through grooves 110 are formed in the same type, so that the second through grooves 110 are conveniently formed on the heating element 100, of course, the opening shapes of the second through grooves 110 are not limited thereto, and the openings of all the second through grooves 110 may have different shapes so as to be suitable for a special application scenario, or some of the second through grooves 110 may have the same opening shape, and some of the second through grooves 110 may have different opening shapes so as to be suitable for different application scenarios. The opening shape of the second through groove 110 is one of a circle, a rectangle and an ellipse to facilitate the flow of the gas and the processing and preparation of the second through groove 110, however, the shape of the second through groove 110 is not limited thereto, and may also be other shapes that can meet the requirement, for example, the shape of the second through groove 110 may also be a sector, a triangle, and the like.
The arrangement of the second through grooves 110 is various, and a preferred embodiment is that, as shown in fig. 1, 3 and 4, all the second through grooves 110 are annularly distributed in two layers, when specifically arranged, all the second through grooves 110 are divided into two parts, the second through grooves 110 of the first part are located near the center of the heating body 100 and are annularly arranged, the second through grooves 110 of the second part are located near the edge of the heating body 100 and are annularly arranged, and the second through grooves 110 of the second part are arranged around the second through grooves 110 of the first part, for example, when the number of the second through grooves 110 is 18, the first part has 6 second through grooves 110 and is arranged inside, and the second part has 12 through grooves and is arranged outside; of course, the arrangement manner of the second through slots 110 is not limited to this, and other manners that can meet the requirement may also be used, for example, all the second through slots 110 are linearly distributed, all the second through slots 110 are arrayed, or all the second through slots 110 are distributed in one layer or multiple layers.
The structure of the bracket 200 has a plurality of structural forms, and in a preferred embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the bracket 200 is a stepped cavity structure with openings at both ends, the bracket 200 includes a first housing 220 and a second housing 230, when specifically configured, the first housing 220 and the second housing 230 may be split structures, and are fixed as a whole by welding, bonding with an adhesive, and the like after being independently formed, and the first housing 220 and the second housing 230 may also be integrally formed by casting, injection molding, and other processes. Wherein:
the first housing 220 is a T-shaped structure, a first through hole 211 is formed inside the first housing 220, and the sectional area of the first through hole 211 is smaller than the sum of the sectional areas of all the second through grooves 110; in a specific configuration, the first housing 220 includes a first cylinder 221 and a first plate 222, the first cylinder 221 and the first plate 222 are connected as a whole, the first through hole 211 is opened in the first cylinder 221, and the first through hole 211 penetrates through the first cylinder 221 and the first plate 222.
The second housing 230 is disposed at the lateral end of the first housing 220, a second through hole 212 is formed inside the second housing 230, the second through hole 212 is communicated with the first through hole 211, and the opening area of the second through hole 212 is larger than that of the first through hole 211; in a specific arrangement, the second housing 230 is disposed on a side of the first plate 222 facing away from the first cylinder 221, and the second through hole 212 and the first through hole 211 form a stepped first through groove 210, so as to facilitate the passage of the air flow.
The second case 230 is connected to the heating body 100 through the connection pipe 300, and the heating body 100 and the connection pipe 300 are detachable with respect to the second case 230; in a specific arrangement, the second case 230 and the heat generating body 100 may be directly connected, for example, the heat generating body 100 and the second case 230 may be assembled together by a screw connection, a snap connection, a male-female fit, etc., the second case 230 and the heat generating body 100 may be briefly connected, for example, the second case 230 and the heat generating body 100 are respectively connected to the connection pipe 300.
In the above heat generating device 10, the airflow enters the bracket 200 through the first through holes 211, diffuses through the second through holes 212, and then disperses into the plurality of second through slots 110, so as to conveniently and quickly achieve the inflow of the airflow. The second case 230 is detachably coupled with the heat generating body 100 through the connection pipe 300 by being defined so as to facilitate the mounting and dismounting of the heat generating device 10. Of course, the configuration of the holder 200 and the connection manner between the holder 200 and the heating element 100 are not limited to these, and other configurations may be used as long as the requirements are satisfied.
In order to facilitate the installation between the heating element 100 and the bracket 200, specifically, as shown in fig. 3 and 4, the heating element 100 is embedded in the connecting pipe 300, the connecting pipe 300 is sleeved outside the second housing 230, and the connecting pipe 300 is fixedly connected with the outer wall of the second housing 230, when specifically installed, the connecting pipe 300 is in threaded connection with the outer wall of the second housing 230, an internal thread is arranged inside one end of the connecting pipe 300, and an external thread matched with the internal thread is formed on the outer wall of one end of the second housing 230, and the two are locked together, of course, the fixing connection manner of the connecting pipe 300 and the outer wall of the second housing 230 is not limited thereto, and other manners capable of meeting the requirements may also be adopted. In assembling the heat generating device 10, the heat generating element 100 is first inserted into the connection pipe 300, the heat generating element 100 is inserted into one end of the connection pipe 300 by an external force, and then the other end of the connection pipe 300 and the second case 230 are fixed together. In the specific installation, the installation manner between the heat generating body 100 and the connection pipe 300 and the connection manner between the connection pipe 300 and the second case 230 are not limited to these, and other manners that can satisfy the requirements may be used.
In order to facilitate the dispersion of the airflow, specifically, as shown in fig. 3 and 4, all the projections of the second through slots 110 on the bracket 200 fall into the first through holes 211, and all the projections of the second through slots 110 on the bracket 200 are located outside the second through holes 212, so as to prevent the second through slots 110 and the second through holes 212 from directly facing each other, so that the airflow is dispersed into the second through slots 110 after being diffused in the first through holes 211, and the dispersion effect of the airflow is ensured. In a specific arrangement, the position relationship of the second through groove 110 with respect to the bracket 200 is not limited to this, and may be other manners capable of ensuring the dispersion effect.
In order to ensure the dispersion effect of the air flow, specifically, as shown in fig. 1, 3 and 4, the heating element 100 and the support 200 are coaxial, and all the second through grooves 110 are symmetrically distributed about the axes of the two, so that the air flow is uniformly dispersed after passing through the second through grooves 110, and the low-temperature non-burning cigarettes 30 can be uniformly baked. In a specific arrangement, the arrangement of the second through grooves 110 is not limited to this, and other manners that can meet the requirement may be adopted, for example, the heat generating body 100 and the holder 200 may be arranged at any angle, and for example, all the second through grooves 110 are distributed in a central symmetry manner with respect to the axes of the heat generating body 100 and the holder 200.
In addition, as shown in fig. 5 and 6, the present invention also provides a low temperature non-combustion smoking set 01, the low temperature non-combustion smoking set 01 comprises an outer tube 20, and a heat generating device 10 according to any one of the above technical solutions, the heat generating device 10 is installed at one side of the outer tube 20, the heat generating device 10 is communicated with the outer tube 20, when specifically arranged, the heat generating device 10 is installed at one side of the outer tube 20, the non-combustion smoke cigarette 30 is installed at the other side of the outer tube 20, and the two sides of the outer tube 20 are communicated, so that the heat generating device 10 is communicated with the non-combustion smoke cigarette 30.
In the low-temperature non-combustion smoking set 01, the gas enters the holder 200 through the first through grooves 210 in the heat generating device 10, and then continues to enter the heat generating body 100 through the plurality of second through grooves 110, so that a hot airflow is formed by heating the heat generating body 100. According to the fluid mechanics formula Q ═ S × V, wherein Q is the flow of fluid, S is the sectional area of the pipeline, V is the flow velocity, because the sum of the sectional areas of all the second through grooves 110 is greater than the sectional area of one end of the first through groove 210 far away from the second through groove 110, the flow velocity of the gas entering the second through groove 110 from the first through groove 210 is reduced, and further the time of the gas passing through the second through groove 110 is longer without increasing the length of the heating device 10, the structure of the heating device 10 is small and exquisite, the heat loss is less, and by arranging the second through groove 110 on the heating body 100, compared with the existing situation of arranging small holes, the arrangement of the second through groove 110 is simpler and more convenient, and the heat exchange area of the air flowing through the heating body 100 is larger, so as to be able to ensure the heating temperature of the air flow more reliably. Therefore, in the low-temperature non-combustion smoking set 01 having the heat generating device 10, the temperature of the air flow passing through the heat generating device 10 reaches a set value, and the non-combustion cigarettes 30 can be baked relatively stably, and the low-temperature non-combustion smoking set 01 has a compact structure.
The outer tube 20 has various structural forms, as shown in fig. 5 and 6, in a preferred embodiment, an annular boss 21 is formed on an inner wall of the outer tube 20, the annular boss 21 and the outer tube 20 may be of an integral structure, and the annular boss 21 and the outer tube 20 may be of a split structure and are connected into a whole through processes of welding, bonding and the like by integrally molding through an injection molding and casting process. The heating device 10 is arranged on one side of the annular boss 21, the non-combustible cigarette 30 is arranged on the other side of the annular boss 21, and the space inside the annular boss 21 is communicated with the heating device 10 and the non-combustible cigarette 30, so that the dispersed gas heated by the heating body 100 flows to the non-combustible cigarette 30.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The heating device is characterized by comprising a heating body and a support, wherein the heating body is installed at one end of the support, the support is provided with a first through groove, the heating body is used for generating heat and is provided with at least one second through groove, each second through groove is communicated with the first through groove, and the sum of the sectional areas of all the second through grooves is larger than the sectional area of one end, away from the second through groove, of the first through groove.
2. The heat-generating device according to claim 1, wherein cross-sectional areas of all the second through grooves are the same.
3. The heat generating device according to claim 1, wherein the openings of all the second through grooves have the same shape, and the opening shape of the second through groove is one of a circular shape, a rectangular shape, and an oval shape.
4. The heat generating device as claimed in claim 1, wherein all of the second through slots are annularly arranged in an inner layer and an outer layer.
5. The heat generating device as claimed in claim 1, wherein the bracket is a stepped cavity structure with two open ends, and comprises a first shell and a second shell, wherein:
the first shell is of a T-shaped structure, a first through hole is formed in the first shell, and the sectional area of the first through hole is smaller than the sum of the sectional areas of all the second through grooves;
the second shell is arranged at the transverse line end of the first shell, a second through hole is formed in the second shell, the second through hole is communicated with the first through hole, and the opening area of the second through hole is larger than that of the first through hole;
the second shell and the heating body are detachably connected through a connecting pipe.
6. The heating device according to claim 5, wherein the heating element is embedded in the connection pipe, and the connection pipe is sleeved outside the second housing and is fixedly connected with an outer wall of the second housing.
7. The heat generating device according to claim 5, wherein all projections of the second through-slots on the bracket fall into the first through-holes and are located outside the second through-holes.
8. The heat generating device according to claim 5, wherein the heat generating body is coaxial with the holder, and all of the second through-grooves are symmetrically distributed about the axes thereof.
9. A low temperature non-combustible smoking article comprising an outer tube, and further comprising a heat generating device according to any one of claims 1 to 8 mounted on one side of the outer tube and in communication therewith.
10. The low temperature non-combustion smoking set of claim 9, wherein an annular boss is formed on the inner wall of the outer tube, the heat generating means is disposed on one side of the annular boss, and the non-combustion smoke is disposed on the other side of the annular boss.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660783.2A CN114468386B (en) | 2021-12-30 | 2021-12-30 | Heating device and low-temperature non-combustion smoking set |
| PCT/CN2022/095346 WO2023123848A1 (en) | 2021-12-30 | 2022-05-26 | Heating apparatus and low-temperature non-burning smoking set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660783.2A CN114468386B (en) | 2021-12-30 | 2021-12-30 | Heating device and low-temperature non-combustion smoking set |
Publications (2)
| Publication Number | Publication Date |
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| CN114468386A true CN114468386A (en) | 2022-05-13 |
| CN114468386B CN114468386B (en) | 2024-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111660783.2A Active CN114468386B (en) | 2021-12-30 | 2021-12-30 | Heating device and low-temperature non-combustion smoking set |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114468386B (en) |
| WO (1) | WO2023123848A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023123848A1 (en) * | 2021-12-30 | 2023-07-06 | 深圳市基克纳科技有限公司 | Heating apparatus and low-temperature non-burning smoking set |
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Also Published As
| Publication number | Publication date |
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| CN114468386B (en) | 2024-01-05 |
| WO2023123848A1 (en) | 2023-07-06 |
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