CN211510581U

CN211510581U - Smoking set

Info

Publication number: CN211510581U
Application number: CN201921558727.6U
Authority: CN
Inventors: 周宏明; 张蛟; 肖俊杰; 陈彪
Original assignee: Shenzhen Smoore Technology Ltd
Current assignee: Shenzhen Smoore Technology Ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-09-18
Anticipated expiration: 2029-09-19

Abstract

The utility model relates to a smoking set. The smoking set comprises a shell, wherein a loading cavity, an airflow sensing device, a circuit control unit and a power supply are arranged in the shell; a fluid channel is arranged between the loading cavity and the shell and is respectively communicated with the outside of the shell and the inside of the loading cavity; an electromagnetic induction heating element is arranged outside the loading cavity in a surrounding mode; the electromagnetic induction heating member with the power electricity is connected, the circuit control unit respectively with the air current induction system with the electromagnetic induction heating member electricity is connected. The smoking set can realize even heating and quick cigarette outlet to a cigarette when the cooperation is used to add the cigarette that has magnetic substance, guarantees the uniformity of suction taste, has promoted the utilization ratio of tobacco, can realize simultaneously taking out the effect of stopping promptly, is favorable to improving user's use and experiences.

Description

Smoking set

Technical Field

The utility model relates to an electron cigarette technical field especially relates to a smoking set.

Background

The low-temperature roasting smoking set is a smoking set which heats roasted objects (such as cigarettes) at low temperature in a certain mode to generate smoke so as to be sucked by a user. Current low temperature toasts smoking set uses heating element heating cigarette usually, and heating element and cigarette direct contact produce the heat through the joule effect to realize toasting with heat transfer to a cigarette. There are three main types of heating elements on the market, namely an internal heating plate, a core heating rod and an external heating tube. However, these heating elements all have the following drawbacks: on one hand, because the tobacco is not uniformly baked and the heat transfer rate is low, the preheating time of the cigarette is long, the suction mouth feeling is inconsistent, the tobacco close to the heating element is easy to be burnt, and the burnt flavor is generated; on the other hand, once the smoking set is started, the cigarettes must be drawn out at one time, and the smoking set cannot be drawn out immediately and is stopped.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a smoking set which has good baking uniformity and high heat transfer rate and can realize the instant stop of smoking.

A smoking set comprises a shell, wherein a loading cavity for loading cigarettes, an airflow sensing device, a circuit control unit and a power supply are arranged in the shell; a fluid channel is arranged between the loading cavity and the shell and is respectively communicated with the outside of the shell and the loading cavity of the loading cavity; an electromagnetic induction heating element is arranged outside the loading cavity in a surrounding mode; the electromagnetic induction heating element is electrically connected with the power supply, the circuit control unit is respectively electrically connected with the airflow induction device and the electromagnetic induction heating element, the airflow induction device is arranged in the fluid channel and used for inducing the airflow speed in the fluid channel, and the circuit control unit controls the electromagnetic induction heating element to work or stop according to the airflow speed induced by the airflow induction device.

In one embodiment, the material of the loading cavity is a heat sink material which is non-magnetic shielding and has a thermal conductivity of not less than 20W/m.K.

In one embodiment, the loading chamber is made of a ceramic material having a thermal conductivity of not less than 20W/m · K.

In one embodiment, a cigarette insertion opening is formed in the shell, the loading cavity is connected to the cigarette insertion opening, and the loading cavity of the loading cavity is communicated with the cigarette insertion opening.

In one embodiment, the housing defines a first air hole in communication with the fluid passage.

In one embodiment, the number of the first air holes is one or more, and at least one first air hole is formed in the upper part of the shell.

In one embodiment, the number of the first air holes is multiple, and at least one first air hole is formed in the lower portion of the housing and located below the loading cavity.

In one embodiment, the loading chamber defines a second air hole in communication with the fluid passage.

In one embodiment, the second air hole is opened at the bottom wall of the loading cavity.

In one embodiment, the loading chamber further comprises a support, and the loading chamber is connected with the inner wall of the shell through the support.

In one embodiment, the support member is disposed at the bottom of the loading chamber, and the support member is an annular member.

In one embodiment, the support member defines a third air hole in communication with the fluid passage. According to the smoking set, the electromagnetic induction heating elements are arranged outside the cigarette loading cavity in a surrounding mode, and when the cigarettes added with magnetic substances are used in a matching mode, the magnetic substances in the cigarettes can be rapidly heated under the action of electromagnetic induction, so that the cigarettes can be uniformly heated and rapidly discharged, the consistency of smoking taste is guaranteed, and the utilization rate of tobacco is improved; meanwhile, the airflow change in the smoking set is induced by the airflow induction device, the circuit control unit realizes the controllable operation of the electromagnetic induction heating element, the smoking is stopped immediately, the cigarettes do not need to be smoked up once, and no abnormal phenomenon is caused when the smoking is carried out again after the cigarette is interrupted.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of a smoking article;

FIG. 2 is a top view of the smoking article of FIG. 1;

FIG. 3 is a top view of another embodiment smoking article;

figure 4 is a cross-sectional view of a loading chamber in another embodiment of a smoking article;

figure 5 is a schematic view of a cigarette used in conjunction with the smoking article of figure 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" 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," "left," "right," and the like as used herein are 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, a smoking set 200 according to an embodiment includes a housing 201, and a loading cavity 203, a power source 205, an airflow sensing device 208, and a circuit control unit 209 are disposed in the housing 201.

The housing 201 is provided with a cigarette insertion opening 202, and the loading cavity 203 is disposed in the housing 201 and connected to the cigarette insertion opening 202. The loading chamber 203 is used for loading the cigarettes 100, and the loading chamber 207 of the loading chamber 203 is communicated with the cigarette insertion port 202.

An electromagnetic induction heating element 204 is surrounded outside the loading chamber 203, and the electromagnetic induction heating element 204 is electrically connected to a power source 205. The smoking set 200 can be used with a cigarette 100 containing magnetic material, in which the magnetic material is uniformly distributed in the tobacco and the magnetic material is in direct contact with the tobacco. Like this, under the operating condition of smoking set 200, electromagnetic induction heating member 204 produces high frequency magnetic field, and the magnetic substance in the cigarette props up and generates heat rapidly under magnetic induction vortex and hysteresis, with heat quick transfer to tobacco, reduced the preheating time of a cigarette, realize quick cigarette suction, and whole cigarette is similar to the concurrent heating, and the tobacco utilization ratio is higher, can not produce burnt flavor because the tobacco is burnt, can obtain better taste. The electromagnetic induction heating element 204 may be an electromagnetic induction coil wound around the outside of the loading chamber 203.

After the cigarettes 100 are loaded into the loading chamber 203, they are in close contact with the walls of the loading chamber 203. A fluid passage 216 is formed between the loading chamber 203 and the housing 201, and the fluid passage 216 communicates with the outside of the housing 201 and the loading chamber 207 of the loading chamber 203, respectively. The circuit control unit 209 is electrically connected to the electromagnetic induction heating element 204 and the airflow induction device 208, respectively, the airflow induction device 208 is disposed in the fluid channel 216 for inducing the airflow speed in the fluid channel 216, and the circuit control unit 209 controls the electromagnetic induction heating element 204 to operate or stop according to the airflow speed induced by the airflow induction device 208. Thus, when the smoking set 200 is used for smoking the cigarettes 100, air can enter the shell 201 and enter the loading cavity 203 through the fluid channel 216, the airflow induction device 208 induces airflow change and feeds back an electric signal to the circuit control unit 209, the circuit control unit 209 controls the electromagnetic induction heating element 204 to apply a high-frequency alternating current electric field, so that a high-frequency alternating magnetic field is generated in the loading cavity 203, and magnetic substances in the cigarettes quickly generate heat under the action of electromagnetic induction to bake the cigarettes; after the suction is stopped, the airflow sensing device 208 senses that the airflow is stopped, and feeds back an electric signal to the circuit control unit 209, and the circuit control unit 209 controls the electromagnetic induction heating element 204 to stop applying the high-frequency alternating current electric field, so that the heating is immediately stopped. Therefore, the smoking set 200 can be immediately stopped after being smoked, cigarettes do not need to be smoked up once, and when the smoking is smoked again after interruption, the cigarettes are uniformly and quickly baked according to the process, and no abnormal mouth feeling phenomenon exists.

In order not to interfere with the magnetic substances in the cigarettes, the material for preparing the loading chamber 203 should have non-magnetic shielding properties, such as paramagnetism or diamagnetism. Furthermore, the loading cavity 203 is made of a heat sink material with a heat conductivity coefficient not lower than 20W/m.K, and the material has good heat conductivity, so that the temperature of the cigarette is not obviously increased along with the high baking temperature of the cigarette during smoking, the cigarette is favorably assisted to be rapidly cooled to a lower temperature after smoking is stopped, the effect of stopping smoking immediately is further realized, and the good taste is ensured when smoking is performed again after the smoking is stopped. Specifically, the material of the loading chamber 203 may be a ceramic material having a thermal conductivity of not less than 20W/m · K, such as alumina or aluminum nitride.

Further, the housing 201 may be opened with a first air hole 206 communicating with the fluid channel 216, so as to communicate the fluid channel 216 with the outside of the housing 201, that is, air may enter the fluid channel 216 through the first air hole 206. The number of the first air holes 206 may be one or more. In one embodiment, as shown in FIG. 1, at least one first air vent 206a opens at an upper portion of the housing 201. In this case, the first air hole 206a may be an annular through hole surrounding the cigarette insertion opening 202, as shown in fig. 2; alternatively, the first air holes 206a may be uniformly spaced outside the cigarette insertion opening 202, as shown in fig. 3.

The loading chamber 203 may be opened with a second air hole 217 communicating with the fluid channel 216, thereby enabling the fluid channel 216 to communicate with the loading chamber 207. The number of the second air holes 217 may be one or more. The second air holes 217 may open at the side wall and/or the bottom wall of the loading chamber 203. In one embodiment, the second air holes 217 are opened on the bottom wall of the loading chamber 203, and in this case, a plurality of second air holes 217 may be uniformly arranged as shown in fig. 1; alternatively, one second air hole 217 may be provided, and the diameter of the one second air hole 217 is equal to the inner diameter of the loading cavity 203, that is, the present embodiment also includes a case where the bottom wall of the loading cavity 203 is completely opened, as shown in fig. 4. In addition, when the second air hole 217 is formed in the bottom wall of the loading cavity 203, at least one first air hole 206b may be further formed in the lower portion of the housing 201, and the first air hole 206b is located below the loading cavity 203, so that when in use, a part of air enters the housing 201 from the first air hole 206b and further enters the loading cavity 207 through the second air hole 217 in the bottom wall of the loading cavity 203, and the part of air is beneficial to further adjusting the air flow and the suction resistance, and a better suction experience is achieved.

The airflow sensing device 208 may be disposed at any location within the housing 201 that is advantageous for sensing airflow, such as near the first air aperture 206 or near the second air aperture 217.

In order to improve the stability of the loading chamber 203 in the housing 201, a support 210 for supporting the loading chamber 203 may be further provided, and the loading chamber 203 is connected to the inner wall of the housing 201 through the support 210. In one embodiment, the supporting member 210 may be disposed at the bottom of the loading chamber 203 and may be a ring-shaped member to achieve a better supporting and fixing effect. In this case, if the first air hole 206a is opened only at the outer side of the cigarette insertion opening 202 and the second air hole 217 is opened at the bottom wall of the loading chamber 203, the support member 210 needs to be opened with a third air hole 218 communicating with the fluid passage 216 for allowing the air entering the housing 201 from the first air hole 206a to enter the loading chamber 207 through the third air hole 218 and the second air hole 217 in sequence. The support member 210 may be prepared at the same time as the housing 201 or may be a separate component.

In this manner, in use, an airflow path can be formed in the smoking article 200 as indicated by the arrows in figure 1. The external air enters the housing 201 from the first air hole 206a outside the cigarette insertion port 202, moves downward, passes through the third air hole 218 of the support member 210 and the second air hole 217 of the bottom wall of the loading chamber 203, and enters upward into the loading chamber 207. Partial heat generated when the electromagnetic induction heating element 204 works can be taken away through the air flow, the outer side walls of the electromagnetic induction heating element 204 and the loading cavity 203 are cooled, the heat is reduced to be transferred to the shell 201, and the smoking set is prevented from being too high in temperature when being held; meanwhile, heated air enters the cigarette, and the energy utilization rate is also improved.

The smoking article 200 may also include components conventional in the art, such as a switch 212, a display screen 213, control buttons 214, a charging interface 215, and the like, which may be disposed on the housing 201.

Referring now to FIG. 3, in a brief description of one embodiment of a cigarette 100 that may be smoked using the smoking article 200 described above, the cigarette 100 includes a body 110 and a filter 120, the body 110 being connected to the filter 120. The filter 120 has the function of condensing and filtering the smoke.

The cigarette body 110 includes tobacco 111 and magnetic substances 112 uniformly distributed in the tobacco 111. The magnetic substance 112 is used for heating the tobacco 111 under the action of electromagnetic induction. That is, under the electromagnetic induction, the magnetic substance 112 is heated, and heat is transferred to the tobacco 111 to cure the tobacco 111. Because the magnetic substance 112 is uniformly distributed in the tobacco 111, under the action of electromagnetic induction, the magnetic substance 112 forms uniform heating points in the tobacco body 110, so that the tobacco 111 is uniformly heated, higher taste consistency is achieved, the situation that the tobacco 111 is locally burnt can not occur, the burnt flavor is avoided, and the tobacco utilization efficiency is higher. In addition, by adding the magnetic substance 112, the heat transfer rate in the tobacco 111 is higher, so that the preheating time is effectively shortened, and the aim of quickly discharging smoke is fulfilled.

In order to achieve a better induction heating effect, the volume ratio of the magnetic substance 112 is 1% to 30% relative to the total volume of the cigarette body 110. Further, the volume ratio of the magnetic substance 112 is 3% to 10% with respect to the total volume of the cigarette body 110.

The magnetic substance 112 is in the form of particles, and the particle diameter thereof may be 10 to 200 μm, and more preferably 50 to 150 μm. The magnetic substance 112 having the above particle size range can achieve a good induction heating effect and can be easily incorporated into the tobacco 111 more uniformly.

The magnetic substance 112 may be any conventional material capable of generating heat by electromagnetic induction. Specifically, the magnetic substance 112 may be ferromagnetic metal powder, such as Fe powder, Co powder, Ni powder, silicon steel powder, permalloy powder, aluminum nickel cobalt powder, and the like. Preferably, the magnetic substance 112 is Fe powder or Ni powder, which has high magnetic permeability and resistivity, can be heated rapidly, and has high thermal conductivity and strong soaking ability for cigarettes.

The magnetic substance 112 may be added to the tobacco 111 during the preparation of the cigarette 100, thereby achieving a uniform distribution in the tobacco 111. For example, the tobacco 111 and the magnetic substance 112 may be mixed uniformly in advance, and then molded by coating, die casting, or thermal molding, to obtain the cigarette body 110.

When adopting above-mentioned cigarette 100 and smoking set 200 cooperation to use, can realize guaranteeing the uniformity of suction taste to the even heating of cigarette and go out the cigarette fast, promoted the utilization ratio of tobacco, can realize the effect of stopping promptly taking out simultaneously, be favorable to improving user's use and experience.

In some specific examples, the cigarette 100 may be included as part of the smoking article 200, i.e., the smoking article 200 may comprise the cigarette 100.

The present invention is further illustrated but not limited by the following examples.

Example 1

The smoking set of the present embodiment is structured as shown in fig. 1. The smoking set 200 has a casing 201, a cigarette insertion opening 202 is opened on the casing 201, a loading cavity 203 is connected to the cigarette insertion opening 202, a first air hole 206a is opened on the outer side of the cigarette insertion opening 202, a first air hole 206b is opened on the lower part of the casing 201 below the loading cavity 203, and a second air hole 217 is opened on the bottom wall of the loading cavity 203. The loading chamber 203 is connected to the housing 201 through a ring-shaped support 210 connected to the bottom of the housing 201, and the support 210 is opened with a third air hole 218. An electromagnetic induction coil 204 is surrounded outside the loading chamber 203, the electromagnetic induction coil 204 is electrically connected with a power source 205 and a circuit control unit 209, and the circuit control unit 209 is electrically connected with an air flow induction device 208. The housing 201 is further provided with a switch 212, a display screen 213, a control button 214 and a charging interface 215. The loading chamber 203 is made of alumina ceramic and has a thermal conductivity of 25W/m.K.

Mixing tobacco and Fe powder (particle size is 100 μm) as magnetic substance uniformly, forming into cigarette body, wherein the volume ratio of Fe powder is 10%, and connecting the cigarette body with filter tip to obtain cigarette with structure shown in figure 5.

The cigarettes described above were placed in the loading chamber 203 of the smoking set of this embodiment for a smoking test. The test results are: the cigarette is discharged quickly, the consistency of the smoke is good, the taste is pure, no foreign flavor is generated, the smoking can be stopped immediately, after the smoking is stopped, the cigarette is cooled to below 150 ℃ within 1s, and the cigarette still has better taste when being smoked again.

Comparative example 1

The smoking set of this comparative example is a commercially available low temperature curing smoking set, and the heating element is a sheet-like internal heating sheet.

Conventional low-temperature-cured cigarettes were placed in the smoking set of this comparative example for a smoking test. The test results are: the cigarette is slowly discharged, the consistency of the smoke mouthfeel is poor, foreign flavor is generated, after the smoking is stopped, the cigarette is slowly cooled and still in a baking state, namely the smoking set cannot be immediately pumped and stopped after being started, and the mouthfeel is abnormal once the smoking set is interrupted and then baked again.

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 represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A smoking set is characterized by comprising a shell, wherein a loading cavity for loading cigarettes, an airflow sensing device, a circuit control unit and a power supply are arranged in the shell; a fluid channel is arranged between the loading cavity and the shell and is respectively communicated with the outside of the shell and the loading cavity of the loading cavity; an electromagnetic induction heating element is arranged outside the loading cavity in a surrounding mode; the electromagnetic induction heating element is electrically connected with the power supply, the circuit control unit is respectively electrically connected with the airflow induction device and the electromagnetic induction heating element, the airflow induction device is arranged in the fluid channel and used for inducing the airflow speed in the fluid channel, and the circuit control unit controls the electromagnetic induction heating element to work or stop according to the airflow speed induced by the airflow induction device.

2. A smoking article according to claim 1, wherein the loading chamber is made of a heat sink material which is non-magnetic shielding and has a thermal conductivity of not less than 20W/m-K.

3. A smoking article according to claim 2, wherein the loading chamber is made of a ceramic material having a thermal conductivity of not less than 20W/m-K.

4. The smoking apparatus of claim 1, wherein the housing defines a cigarette insertion opening, the loading chamber is connected to the cigarette insertion opening, and the loading chamber of the loading chamber is in communication with the cigarette insertion opening.

5. A smoking article according to claim 4, wherein said housing defines a first air aperture in communication with said fluid passageway.

6. A smoking article according to claim 5, wherein said first plurality of air holes is one or more in number, at least one of said first air holes opening in an upper portion of said housing.

7. A smoking article according to claim 6, wherein said first air vent is provided in a plurality, at least one of said first air vents opening in a lower portion of said housing and below said loading cavity.

8. A smoking article according to claim 4, wherein the loading cavity is provided with a second air hole communicating with the fluid passage.

9. A smoking article according to claim 8, wherein the second air aperture opens in a bottom wall of the loading cavity.

10. A smoking article according to any one of claims 1 to 9, further comprising a support member by which said loading chamber is connected to an inner wall of said housing.

11. A smoking article according to claim 10, wherein said support member is provided at the bottom of said loading chamber, said support member being an annular member.

12. A smoking article according to claim 11, wherein said support member defines a third air aperture in communication with said fluid passageway.