CN216753559U - Aerosol generating device and electronic cigarette - Google Patents

Abstract

The present disclosure relates to the field of electronic cigarette technology, and in particular, to an aerosol generating device and an electronic cigarette. An aerosol-generating device comprising: the heating body is provided with an accommodating cavity, the accommodating cavity is used for accommodating cigarettes, and the heating body heats the cigarettes; the heating element is coupled with the heating body and is used for locally heating the cigarette, and the heating element is movably arranged relative to the heating body; and the driving mechanism is in driving connection with the heating element and drives the heating element to move between a first position and a second position relative to the heating element along the length direction of the accommodating cavity. Based on this, the uniformity of the electronic cigarette smoking quality can be improved.

Description

Aerosol generating device and electronic cigarette

Technical Field

The present disclosure relates to the field of electronic cigarette technology, and in particular, to an aerosol generating device and an electronic cigarette.

Background

An electronic cigarette is a heating non-combustion smoking set, which generates aerosol for a consumer to inhale by heating but not combusting a cigarette so as to reduce harmful smoke components generated in the combustion process of the traditional cigarette.

In the mainstream electronic cigarette in the market, the heating element is usually fixedly arranged and cannot move, and in the smoking process, along with the gradual reduction of the smoking substances and the flavor components in the cigarette, the problem of gradual reduction of the aerosol generation amount inevitably occurs, so that the consistency of the smoking quality is influenced.

Disclosure of Invention

One technical problem to be solved by the present disclosure is: the smoking quality consistency of the electronic cigarette is improved.

In order to solve the above technical problem, the present disclosure provides an aerosol-generating device comprising:

the heating body is provided with an accommodating cavity, the accommodating cavity is used for accommodating cigarettes, and the heating body heats the cigarettes;

the heating element is coupled with the heating body and is used for locally heating the cigarette, and the heating element is movably arranged relative to the heating body; and

and the driving mechanism is in driving connection with the heating element and drives the heating element to move between a first position and a second position relative to the heating element along the length direction of the accommodating cavity.

In some embodiments, the drive mechanism includes a rack and a gear, the rack is connected with the heating member, and the gear is meshed with the rack and drives the heating member to move between a first position and a second position relative to the heating member through the rack.

In some embodiments of the present invention, the,

the heating element comprises a coil, the coil is wound outside the heating element, and the coil and the heating element are electromagnetically inductive to realize local heating of the cigarette; or,

the heating member includes the heating sleeve, and the heating sleeve cover is located the heating member outside, or the heating sleeve sets up in the heating member to the cigarette outside is located to the cover, and the heating sleeve is by the heat source heat supply, in order to carry out local heating to the cigarette.

In some embodiments, the aerosol-generating device further comprises a heat source coupled to the heating body to provide heat to the heating body.

In some embodiments, the first position and the second position are arranged in sequence along a direction from the filter section to the tobacco section of the cigarette, and in the second position, the heating element is located upstream of and spaced from an end of the tobacco section remote from the filter section.

In some embodiments, the set spacing is 3 mm.

In some embodiments, the aerosol-generating device comprises a mouth number determination device that determines the number of puffs.

In some embodiments, the aerosol-generating device has an air inlet in communication with the receiving chamber, the port number determining device comprises a temperature sensor disposed at the air inlet, and the port number determining device determines the suction port number based on a temperature change of the temperature sensor during suction.

In some embodiments, the temperature sensor is an NTC temperature sensor.

The present disclosure additionally provides an electronic cigarette comprising an aerosol-generating device of embodiments of the present disclosure.

Based on this disclosed embodiment, in the smoking process, the heating member can remove, heats the different sections of cigarette, and this is favorable to improving the stability of aerosol formation volume in whole smoking process, improves the uniformity of electron cigarette smoking quality.

Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Figure 1 is a schematic structural view of an aerosol-generating device according to some embodiments of the present disclosure.

Description of reference numerals:

10. an aerosol-generating device;

11. a heating body; 12. a tobacco cup; 13. a base; 14. an accommodating cavity; 15. an air inlet; 16. An insertion opening;

2. a heating member; 21. a coil;

3. a drive mechanism; 31. a rack; 32. a gear;

4. a temperature sensor; 41. an NTC temperature sensor;

5. cigarettes; 51. a filter section; 52. a tobacco section.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without any inventive step, are intended to be within the scope of the present disclosure.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In the description of the present disclosure, it should be understood that the terms "first", "second", etc. are used to define the components, and are used only for convenience of distinguishing the corresponding components, and if not otherwise stated, the terms have no special meaning, and thus, should not be construed as limiting the scope of the present disclosure.

In addition, technical features involved in different embodiments of the present disclosure described below may be combined with each other as long as they do not conflict with each other.

The aerosol generating device is an important component of the electronic cigarette and is used for heating the cigarette to heat and volatilize smoke substances and aroma components in the cigarette to generate aerosol for a consumer to inhale. The mode of releasing aerosol by adopting a non-combustible heating mode does not generate side-stream smoke, can effectively reduce harmful smoke components generated in the burning and cracking processes of cigarettes, and reduces the harm of smoking to the health of consumers.

Figure 1 schematically illustrates an aerosol-generating device of the present disclosure.

Referring to fig. 1, in an embodiment of the present disclosure, an aerosol-generating device 10 comprises a heating body 11 and a heating element 2.

Wherein, the heating body 11 is used for accommodating and heating the cigarette 5. The heating body 11 heats the cigarette 5. The heating body 11 may be disposed on the base 13, supported by the base 13. The heating body 11 is provided with a receiving chamber 14 inside. The accommodating cavity 14 is used for accommodating the cigarette 5. The length of the housing cavity 14 is greater than or equal to the length of the tobacco section 52 of the cigarette 5.

As shown in fig. 1, the heating body 11 is further provided with an insertion port 16 and an air inlet 15. The insertion opening 16 communicates with the accommodation chamber 14 for inserting the cigarette 5 into the accommodation chamber 14. The air inlet 15 communicates with the accommodating chamber 14 for allowing air flow to enter the accommodating chamber 14 during the suction process. The insertion openings 16 and the air inlets 15 are spaced along the length direction of the receiving chamber 14 (also the length direction of the cigarette 5 or the axial direction of the cigarette 5). Also, the insertion opening 16 and the air inlet opening 15 are arranged in this order in the direction from the filter segment 51 to the tobacco segment 52 of the cigarette 5, that is, the insertion opening 16 is close to the filter segment 51 with respect to the air inlet opening 15, and the air inlet opening 15 is far from the filter segment 51 with respect to the insertion opening 16, in other words, the insertion opening 16 is located on the side of the accommodation chamber 14 close to the filter segment 51, and the air inlet opening 15 is located on the side of the accommodation chamber 14 far from the filter segment 51, and at this time, the direction from the insertion opening 16 to the air inlet opening 15 coincides with the direction from the filter segment 51 to the tobacco segment 52.

It will be appreciated that the filter segment 51 is a puff portion of the cigarette 5. The tobacco segment 52 is the tobacco material-containing portion of the cigarette 5 and is the aerosol-generating portion. After the cigarette 5 is inserted into the accommodating cavity 14 through the insertion opening 16, the filter segment 51 of the cigarette 5 is at least partially located outside the accommodating cavity 14 for the consumer to hold and draw, while the tobacco segment 52 of the cigarette 5 is located in the accommodating cavity 14, the head end of the tobacco segment 52 (i.e. the end of the tobacco segment 52 close to the filter segment 51) is flush with the insertion opening 16 or located on one side of the insertion opening 16 close to the air inlet 15 and close to the insertion opening 16, and the tail end of the tobacco segment 52 (the end of the tobacco segment 52 far from the filter segment 51) is located on one side of the air inlet 15 close to the insertion opening 16 and close to the air inlet 15.

With the above arrangement, the heating body 11 surrounds the cigarette 5 and heats the cigarette 5 mainly in the circumferential direction of the cigarette 5, and therefore, this is called a circumferential heating method. When the circumferential heating mode is adopted, the heating body 11 has the accommodating function, so that a special component for accommodating the cigarettes 5 is not required to be additionally arranged in the aerosol generating device 10, and the structure is simpler. Moreover, the heat exchange area between the heating body 11 and the cigarette 5 is large, the heating efficiency is high, and the heating effect is good.

The heating member 2 is used for locally heating the cigarette 5. The heating member 2 is coupled with the heating body 11 and locally heats the cigarette 5. Specifically, the heating element 2 and the heating body 11 are nested, for example, sleeved outside the heating body 11, or sleeved between the heating body 11 and the cigarette 5. Moreover, the length of the heating element 2 is less than the length of the accommodating cavity 14 and less than the length of the tobacco section 52. In this way, the heating element 2 heats only the portion of the tobacco segment 52 that it covers, so that localized heating of the cigarette 5 can be achieved.

In order to improve the consistency of the suction quality, in some embodiments, the heating element 2 is movably arranged relative to the heating body 11, and the aerosol-generating device 10 further comprises a drive mechanism 3, the drive mechanism 3 being in driving connection with the heating element 2 and driving the heating element 2 to move relative to the heating body 11 along the length of the receiving chamber 14 between a first position and a second position, see fig. 1.

Based on the setting, the local heating area corresponding to the heating element 2 can be changed, so that the local heating area moves, and the heating of the heating element 2 to different sections of the cigarette 5 is realized.

Through making the heating member 2 that carries out local heating to cigarette 5 remove, can utilize heating member 2 to switch ground to heating the different sections of tobacco section 52, control tobacco section 52 and release aerosol section by section, like this, be favorable to improving the formation stability of aerosol in whole suction process, prevent that the suction quality from worsening in the suction later stage, improve the uniformity of suction quality.

Wherein, heating member 2 is to the local heating of cigarette 5, both can be that heating member 2 directly heats the local of cigarette 5, perhaps, also can be that heating member 2 acts on with holding portion 1, heats the intensification through heating holding portion 1, heats the local of cigarette 5.

For example, referring to fig. 1, in some embodiments, the heating member 2 includes a coil 21, and the coil 21 is wound around the heating body 11 and performs local heating of the cigarette 5 by electromagnetic induction with the heating body 11. In this case, the coil 21 is overlapped with only a part of the heating body 11 in the longitudinal direction at the same time, and when the coil 21 is energized to generate electromagnetic induction with the heating body 11, the temperature of the portion of the heating body 11 covered with the coil 21 is raised, so that the cigarette 5 can be locally raised by the corresponding portion of the heating body 11 after the temperature rise. At this time, the heating member 2 locally heats the cigarette 5 by locally heating the heating member 11 based on the electromagnetic induction principle.

Alternatively, in another embodiment not shown in the drawings, the heating member 2 may not perform electromagnetic induction heating on the heating body 11 to locally heat the cigarette 5. For example, in other embodiments, the heating element 2 may include a heating sleeve (not shown) disposed outside the heating body 11, or a heating sleeve disposed inside the heating body 11 and disposed outside the cigarette 5, and the heating sleeve is heated by a heat source (not shown) to locally heat the cigarette 5. In this case, the heating sleeve overlaps only a part of the tobacco segment 52 in the longitudinal direction at the same time, and when the heating sleeve is heated by the heat source, the heating sleeve heats the part of the tobacco segment 52 covered thereby to achieve local heating of the cigarette 5. At this time, the heating member 2 does not perform the heating function by electromagnetic induction with the heating body 11, but performs the heating function by being directly heated by the heat source.

In addition, the heating of the cigarette 5 by the heating body 11 may be entirely dependent on the heating member 2. For example, when the heating element 2 includes the coil 21, in some embodiments, the heating body 11 may heat the cigarette 5 only by obtaining heat through electromagnetic induction with the coil 21, and at this time, the heating body 11 heats the cigarette 5 completely depending on the heating element 2, in which case, only the portion where the heating body 11 overlaps the coil 21 is heated, and the portion where the heating body 11 does not overlap the coil 21 is not heated. At this time, the heating body 11 may not be provided with a heat source.

Alternatively, the heating of the cigarette 5 by the heating body 11 may depend in part on the heating member 2. In this case, the heating body 11 may be provided with a heat source (not shown), which is coupled to the heating body 11 to supply heat to the heating body 11. The heat provided by the heat source to the heating body 11 may be referred to as base heat or first heat; the heat supplied by the coil 21 to the heating body 11 may be referred to as auxiliary heat or secondary heat.

For example, when the heating member 2 includes the coil 21, in some embodiments, the heating body 11 may obtain the base heat from a heat source in addition to the auxiliary heat by electromagnetic induction with the coil 21, in which case, the heating body 11 heats the cigarette 5 depending in part on the heating member 2, and both the portion of the heating body 11 overlapping with the coil 21 and the portion of the heating body 11 not overlapping with the coil 21 may be heated, but the temperature of the portion of the heating body 11 overlapping with the coil 21 is higher than the temperature of the portion of the heating body 11 not overlapping with the coil 21 because the portion of the heating body 11 overlapping with the coil 21 has more heat provided by electromagnetic induction with the coil 21 than the portion of the heating body 11 not overlapping with the coil 21.

The provision of the heating member 2 and the heat source for supplying the heating body 11 with auxiliary heat and basic heat, respectively, makes it possible to more efficiently raise the temperature of the heating body 11 to a temperature required at the time of suction. The auxiliary heat can accelerate the volatilization of the aroma substance and the smoking substance in the heated area and promote the generation of aerosol. And, set up the heat source and provide basic heat for heating member 11, be favorable to preventing that the aerosol that generates is in the in-process of flowing to consumer's oral cavity, because the partial temperature that is not covered by coil 21 of the tobacco section 52 that flows through is low, and takes place the condensation, and this also is favorable to improving the suction quality, promotes the consumption and experiences.

The heat source for supplying heat to the heating jacket and the heat source for supplying heat to the accommodating portion 1 may be the same heat source or may be two heat sources independent of each other.

The driving mechanism 3 for driving the heating member 2 to move may have various structural forms. For example, with reference to fig. 1, in some embodiments, the driving mechanism 3 comprises a rack 31 and a gear 32, the rack 31 is connected to the heating member 2, and the gear 32 is engaged with the rack 31 and moves the heating member 2 relative to the heating body 11 between a first position and a second position via the rack 31. Like this, during gear 32 rotates, can drive heating member 2 and remove between primary importance and second place for holding portion 1 to change the local heating region that heating member 2 corresponds, make the local heating region take place to remove, realize heating member 2 to the heating of 5 different sections of cigarette, simple structure, control is convenient, and is convenient for control heating member 2 and removes between primary importance and second place accurately.

In each of the above embodiments, the second position may be remote from the filter segment 51 of the cigarette 5 relative to the first position, that is, the first and second positions are arranged in sequence along a direction from the filter segment 51 to the tobacco segment 52 of the cigarette 5.

For convenience of description, the direction from the filter segment 51 to the tobacco segment 52 of the cigarette 5 may be referred to simply as the proximal-to-distal direction or the top-to-bottom direction. In this regard, orientations such as "up", "down", "far", "near", etc. are defined, wherein the side close to the filter segment 51 (or insertion opening 16) is "up" and "near", and the side away from the filter segment 51 (or insertion opening 16) is "down" and "far".

After the suction is started, the heating element 2 can move from the first position to the second position, that is, during the suction, the heating element 2 moves along the length direction of the accommodating cavity 14 from the side close to the filter segment 51 to the side far from the filter segment 51. At this time, the heating member 2 moves from near to far, or the heating member 2 moves from top to bottom.

Initially, the heating member 2 is in a first position. After the suction is started, the heating member 2 is moved from the first position to the second position in a stepwise manner according to the suction time and/or the number of suction openings, in this way, during the suction process, the heating element 2 can heat up different sections of the tobacco portion 52 successively, distributed away from the filter portion 51, as the suction time and/or the number of suction openings increases, the tobacco segments 52 are successively brought to the desired temperature for smoking along the segments distributed away from the filter segments 51, and the aerosol is released, that is, so that the part of the tobacco segment 52 close to the filter segment 51 is heated to the temperature required for smoking first, releasing the aerosol, and then the part of the tobacco segment 52 far from the filter segment 51 is gradually heated to the temperature required for smoking step by step, releasing the aerosol, thereby realizing the gradual smoking of the tobacco segment 52 from near to far (i.e. from the end of the tobacco segment 52 close to the filter segment 51 to the end of the tobacco segment 52 far from the filter segment 51).

Wherein, referring to fig. 1, in the first position, the upper end of the heating element 2 may be flush with the head end of the tobacco segment 52. In the second position, the lower end of the heating element 2 may be flush with the trailing end of the tobacco segment 52. Alternatively, in the second position, the lower end of the heating element 2 may be located between the head end and the tail end of the tobacco segment 52 and close to the tail end of the tobacco segment 52 at a set interval (e.g., 3cm), in other words, in a direction from the filter segment 51 to the tobacco segment 52 of the cigarette 5, the heating element 2 in the second position is located upstream of the end of the tobacco segment 52 far from the filter segment 51 and at a set interval (e.g., 3cm) from the end of the tobacco segment 52 far from the filter segment 51.

In the second position, the lower end of the heating element 2 is located at a set interval (for example, 3cm) above the tail end of the tobacco section 52, which means that, at the end of each smoking process, the tobacco section 52 is not heated and smoked completely, but a part of the section at the lowermost end (i.e., the section corresponding to the set distance) is not heated and smoked, so that the cigarettes 5 can be prevented from falling off, and the cigarettes 5 can be kept in the accommodating cavities 14 stably after the end of a single smoking. Because the part of the tobacco segment 52 that is heated to react will contract, if the whole tobacco segment 52 is heated to react, the tobacco segment 52 will easily fall off due to contraction, and a part of the lower section of the tobacco segment 52 will not be heated to react, and the section will not contract, and can play a supporting role, so that the tobacco segment is not easy to fall off.

Referring to fig. 1, in some embodiments, the aerosol-generating device 10 comprises a mouth number determination device that determines a suction mouth number. Thus, the detection of the number of suction ports can be realized, and the movement of the heating member 2 can be controlled conveniently in accordance with the number of suction ports.

The port number determining means may detect the number of suction ports in various manners, such as based on TCR temperature control, microphone control, airflow sensor control, or barometric sensor control.

For example, in some embodiments, the number of puffs determining means comprises a temperature sensor 4, the temperature sensor 4 being arranged at the air inlet 15 of the aerosol-generating device 10 and determining the number of puffs from their own temperature change during a puff. During the suction, the actual number of suction ports is detected from the temperature change of the temperature sensor 4 located at the air inlet 15. The temperature sensor 4 may be disposed on the base 13.

Because the temperature sensor 4 arranged at the air inlet 15 has a certain temperature in the suction process, when external cold air flows through the temperature sensor 4 during suction, a part of heat on the surface of the temperature sensor 4 can be taken away, so that the temperature sensor 4 can generate temperature change during each suction, therefore, the number of sucked openings can be calculated by capturing the temperature change of the temperature sensor 4, namely, the detection of the number of sucked openings can be realized according to the temperature change of the temperature sensor 4. In this way, when the number of suction openings is detected, the aerosol-generating device 10 comprises a temperature sensor 4, see fig. 1, the temperature sensor 4 being arranged at the air inlet 15.

Wherein, the temperature change of the temperature sensor 4 may refer to the temperature drop of the temperature sensor 4, for example, in some embodiments, the detecting of the actual number of the suction openings according to the temperature change of the temperature sensor 4 at the air inlet 15 includes:

whether there is one suction is judged according to whether the temperature sensor 4 lowers the preset temperature within the preset time.

Wherein the preset time may be 0.5s, as an example. The preset temperature may be 3 ℃. For example, in some embodiments, the presence of a puff is determined based on whether the temperature sensor 4 has dropped by 3 ℃ within 0.5s during the puff. If the temperature sensor 4 is reduced by 3 ℃ within 0.5s, judging that one suction port exists, and detecting the number of the suction ports. Based on each puff detected, the total number of puffs in a single puff may be obtained by counting with a counter. Wherein the temperature sensor 4 may be an NTC temperature sensor 41, which may have a resistance of 10 kOmega @25 deg.C, and a tolerance of + -1%. The NTC temperature sensor 41 has high accuracy and sensitive response, and thus can detect the number of pumping ports more accurately.

In conclusion, the aerosol generating device 10 provided by the embodiment of the disclosure can solve the problems that the aerosol generating amount is gradually reduced, the satisfaction is gradually reduced, and the smoking of the front and rear sections of the cigarette is inconsistent, effectively improves the smoking quality and the consumption experience of the aerosol, and is reliable and practical.

The above description is only exemplary of the present disclosure and is not intended to limit the present disclosure, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.

Claims (10)

1. An aerosol-generating device (10), comprising:

the heating body (11) is provided with an accommodating cavity (14), the accommodating cavity (14) is used for accommodating a cigarette (5), and the heating body (11) heats the cigarette (5);

a heating element (2) coupled to the heating element (11) and configured to locally heat the cigarette (5), the heating element (2) being movably arranged relative to the heating element (11); and

the driving mechanism (3) is in driving connection with the heating element (2) and drives the heating element (2) to move between a first position and a second position relative to the heating body (11) along the length direction of the accommodating cavity (14).

2. An aerosol-generating device (10) according to claim 1, characterized in that the drive mechanism (3) comprises a toothed rack (31) and a toothed wheel (32), the toothed rack (31) being connected to the heating element (2), the toothed wheel (32) being in engagement with the toothed rack (31) and moving the heating element (2) relative to the heating body (11) between a first position and a second position via the toothed rack (31).

3. An aerosol-generating device (10) according to claim 1,

the heating element (2) comprises a coil (21), the coil (21) is wound outside the heating element (11), and the coil and the heating element (11) are electromagnetically inductive to realize local heating of the cigarette (5); or,

the heating element (2) comprises a heating sleeve, the heating sleeve is sleeved outside the heating element (11), or the heating sleeve is arranged in the heating element (11) and sleeved outside the cigarette (5), and the heating sleeve is heated by a heat source to locally heat the cigarette (5).

4. An aerosol-generating device (10) according to claim 3, wherein the aerosol-generating device (10) further comprises a heat source coupled to the heating body (11) for supplying heat to the heating body (11).

5. An aerosol-generating device (10) according to claim 1, wherein the first position and the second position are arranged in succession in a direction from a filter segment (51) to a tobacco segment (52) of the cigarette (5), in which second position the heating element (2) is located upstream of an end of the tobacco segment (52) remote from the filter segment (51) and at a set spacing from an end of the tobacco segment (52) remote from the filter segment (51).

6. An aerosol-generating device (10) according to claim 5 in which the set interval is 3 mm.

7. An aerosol-generating device (10) according to any of claims 1 to 6, characterised in that the aerosol-generating device (10) comprises a mouth number determining means which determines the number of suction mouths.

8. An aerosol-generating device (10) according to claim 7, wherein the aerosol-generating device (10) has an air inlet (15) communicating with the receiving chamber (14), the mouth number determining means comprising a temperature sensor (4), the temperature sensor (4) being arranged at the air inlet (15), the mouth number determining means determining the number of suction mouths from a temperature change of the temperature sensor (4) during suction.

9. An aerosol-generating device (10) according to claim 8, wherein the temperature sensor (4) is an NTC temperature sensor (41).

10. An electronic cigarette, characterized in that it comprises an aerosol-generating device (10) according to any of claims 1 to 9.

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