WO2020029510A1 - Heating apparatus for electronic cigarette and electronic cigarette - Google Patents

Abstract

A heating apparatus (200) for an electronic cigarette, comprising a heating tube (10), heating members (1013) and a heat insulation tube (20). The heating tube (10) comprises a plurality of single tubes (101) and a plurality of connecting rings (102), and the number of the single tubes (101) is one more than that of the connecting rings (102). Each single tube (101) is a sleeve that is hollow inside and open at two ends. One end of the single tube (101) is provided with heat dissipation holes (1011) in communication with the inside thereof, and the other end thereof appears to be a tubular post when being connected to another single tube (101) by means of the connecting ring (102). The number of the heating members (1013) is equal to that of the single tubes (101). Each heating member (1013) is independently disposed at an outer side of one single tube (101) used for heating the single tube (101). The heat insulation tube (20) is hollow inside and open at two ends. The heating tube (10) is accommodated inside of the heat insulation tube (20), and the heat insulation tube (20) is located at an outer side of the heating members (1013).

Description

Baking device for electronic cigarette and electronic cigarette Technical field

The invention relates to the technical field of electronic cigarettes, in particular to a baking device for electronic cigarettes and electronic cigarettes.

Background technique

Traditional cigarettes are usually ignited by an open flame, which is smoked after smoking. Because tobacco releases a large amount of harmful substances during the high-temperature combustion process, currently most of them use flue-cured tobacco electronic cigarettes to smoke the tobacco after smoking.

However, the conventional flue-cured electronic cigarettes have the disadvantages of poor stability of the baking temperature and small amount of smoke generated during baking.

Summary of the invention

According to various embodiments of the present application, a baking device for an electronic cigarette that is more stable to tobacco baking and generates more smoke is provided.

A baking device for an electronic cigarette includes:

The heating tube includes a plurality of single tubes and a plurality of connection rings, and the number of the single tubes is one more than the number of the connection rings. Each of the single tubes is in the shape of a sleeve with a hollow interior and two ends open. One end of the single tube is provided with a heat dissipation hole that communicates with the inside, and the other end is in the shape of a column after being connected to the other single tube through the connection ring;

Heating elements, the number of which is the same as the number of the individual tubes, each of which is independently provided on the outside of one of the individual tubes, for heating the individual tubes; and

The heat insulation pipe is hollow inside and has two ends open. The heat insulation pipe houses the heating pipe therein, and the heat insulation pipe is located outside the heating element.

A baking device for an electronic cigarette includes:

The heating tube includes a plurality of individual tubes, the interior of each of the individual tubes is hollow and both ends are open, and each of the individual tubes has a column shape after being connected to each other;

A plurality of heating elements, each of which is independently provided on each of the individual tubes for heating each of the individual tubes; and

An insulated tube that houses the heating tube therein.

A baking device for an electronic cigarette includes:

A heat-insulating tube which is hollow inside and has two ends open;

The heating tube includes a plurality of individual tubes, each of which has a sleeve shape with a hollow interior and two ends open, and a plurality of the individual tubes are spaced in the heat insulation tube and have a column shape; and

A plurality of heating elements, each of which is independently provided on the outside of each of the individual tubes.

A baking device for an electronic cigarette includes:

A heat-insulating tube which is hollow inside and has two ends open;

The heating tube has a columnar shape and is arranged in the heat-insulating tube; and

A plurality of heating elements, each of which is independently provided in sections on an outer wall of the heating pipe.

An electronic cigarette, comprising:

A casing, wherein the interior of the casing is hollow, and the first end is provided with an opening communicating with the interior;

A suction nozzle provided on the opening;

Atomizer, the atomizer is arranged in the casing, and forms an air flow communication with the suction nozzle through an exhaust pipe;

In the above-mentioned baking device for an electronic cigarette, the baking device is disposed in the casing and forms airflow communication with the suction nozzle through the opening of the casing;

A circuit control system, which is disposed in the housing and is electrically connected to the atomizer and the heating element, respectively; and

A power source is provided in the housing and is electrically connected to the circuit control system.

Details of one or more embodiments of the invention are set forth in the accompanying drawings and description below. Other features, objects, and advantages of the invention will be apparent from the description, the drawings, and the claims.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to better describe and illustrate embodiments and / or examples of those inventions disclosed herein, reference may be made to one or more drawings. The additional details or examples used to describe the drawings should not be considered as limiting the scope of any of the disclosed inventions, the presently described embodiments and / or examples, and the best mode of these inventions as currently understood.

FIG. 1 is a schematic structural diagram of an electronic cigarette according to an embodiment of the present invention;

2 is a sectional view of the electronic cigarette shown in FIG. 1;

FIG. 3 is an enlarged schematic view of a structure at a part A in FIG. 2; FIG.

4 is a perspective view of a heating tube in the electronic cigarette shown in FIG. 1;

5 is a perspective view of a single tube in the heating tube shown in FIG. 4;

6 is a perspective view of a connecting ring in the heating pipe shown in FIG. 4;

FIG. 7 is a perspective view of a heat pipe in the electronic cigarette shown in FIG. 1.

detailed description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings. The drawings show a preferred embodiment of the invention. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein.

Please refer to FIGS. 1 to 2. In an embodiment of the present invention, the electronic cigarette 100 includes a casing 50, a suction nozzle 60, an atomizer 70, an exhaust pipe 80, and a baking device 200 (hereinafter referred to as an electronic cigarette) Baking device) and circuit control system 90, power supply 110. The inside of the casing 50 is hollow, and an upper end of the casing 50 is provided with an opening 61 communicating with the inside of the casing 50. A nozzle holder 63 is provided at the opening 61, and the nozzle 60 is fitted and sealed on the nozzle holder 63. The atomizer 70 is disposed in the casing 50 and communicates with the suction nozzle 60 through an exhaust pipe 80. The baking device 200 is disposed in the housing 50, and the airflow between the baking device 200 and the suction nozzle 60 passes through. The realization process is as follows: The upper end of the heating tube 10 of the baking device 200 passes through the ventilation hole 631 at the nozzle holder 63. It communicates with the airflow holes 62 provided at the bottom of the suction nozzle 60, and the lower end of the heating pipe 10 is used for filling tobacco leaves. The circuit control system 90 is provided in the casing 50 and is electrically connected to the power source 110. The circuit control system 90 can provide electrical energy for the operation of the atomizer 70, the baking device 200, and the circuit control system 90 through the power source 110.

In the practical use of the electronic cigarette, one of its uses is: the atomizer 70 is controlled separately by the circuit control system 90, and the atomization generates atomized steam, which is passed through the exhaust pipe 80 and the opening 61 at the upper end of the casing 50 and passes The suction nozzle 60 is discharged for users to inhale food. The second use method is: individually control the baking device 200 through the circuit control system 90 to bake tobacco placed in the heating pipe 10, such as cigarettes, shreds, and tobacco leaves to generate cigarette gas And through the upper end of the heating tube 10, the vent hole 631 of the nozzle holder 63, and the air flow hole 62 of the nozzle 60 are discharged through the nozzle 60 for the user to suck; the third use method is: the circuit control system 90 simultaneously The atomizer 70 and the baking device 200 are controlled, and the atomized steam discharged from the atomizer 70 and the cigarette gas output from the baking device 200 are sufficiently mixed in the suction nozzle 60 before being sucked by the user. Allows users to experience both the taste of cigarettes and the pleasure of swallowing clouds and mists.

It should be noted that the atomizer 70 is a conventional ordinary atomizer or a cigarette bomb; in this embodiment, the atomizer 70 is a cigarette bomb.

As shown in FIG. 2 and FIG. 5, in one embodiment, the baking device 200 for an electronic cigarette includes a heating pipe 10, a heating member 1013, and a heat insulation pipe 20. The heating element 1013 is a nickel-chromium heating wire, which is arranged on the outside of the heating tube 10 by spiral winding. Its two connection ends 1014 and 1015 are electrically connected to the circuit control system 90 respectively. The circuit control system 90 controls the heating element 1013 to generate heat as a heating tube. 10 provides heat.

As shown in FIGS. 4 to 7, the heating tube 10 may be two or more single-piece tubes 101, and adjacent single-piece tubes 101 are fixedly connected through a connecting ring 102 to form a columnar structure. Each of the individual tubes 101 is in the shape of a sleeve that is hollow inside and open at both ends. One end of each of the individual tubes 101 is provided with a heat dissipation hole 1011 communicating with the inside, and the other end is connected to the other single tube 101 through a connection ring 102 . In such a baking device 200, the heating tube 10 is arranged in a multi-stage type, and heating elements 1013 are independently provided on the outer wall of each individual tube 101, and each heating element 1013 is independently controlled by the power control system 90. In this embodiment, the cigarette baking device 200 is selected for segmented heating and baking. Tobacco is first heated and heated by the heating tube 10 away from the suction nozzle 60, and then gradually heated and baked by the heating tube 10 near the suction nozzle 60. Bake while turning off the heating of the heating tube 10 away from the suction nozzle 60. In this way, the baking method that simulates the burning of cigarettes from far and near can make the tobacco more uniform and full. The cigarette burning process can be imitated. The cigarette is inserted from the bottom of the heating tube 10, that is, away from the suction nozzle 60. The cigarette is first heated and baked by the single tube 101 at the bottom, and then gradually stepped by the single tube 101 at the nozzle 60. The cigarette segments are individually heated and roasted. In addition, the heat insulation tube 20 outside the heating tube 10 can effectively prevent the loss of baking heat. In this way, the heating element 1013 can be matched with the multi-stage heating pipe 10 to uniformly and stably heat the cigarette, the temperature control is more accurate, the cigarette shred can be more fully baked, and the amount of smoke will be larger.

The inside of the heat-insulating tube 20 in the baking device 200 is hollow and open at both ends. The heat-insulating tube 20 is disposed on the heating tube 10 and is located outside the heating element 1013 and retains a clearance space of 1 mm to 5 mm.

In an embodiment, as shown in FIG. 5, the heating element 1013 may adopt a spirally wound annular space design structure, and the material is made of non-nickel chromium material, and the resistance value is controlled between 0.2Ω˜0.5Ω. So that the heating element 1013 can have the characteristics of small hot melt and fast temperature rise, and the temperature control is more accurate.

It can be understood that the individual tubes 101 are arranged in a column shape, and a plurality of heat dissipation holes 1011 are provided, which are arranged on the first end of the individual tubes 101 at intervals along the circumferential direction of the individual tubes 101 and are distributed radially. This can make the heat dissipation effect of the single tube 101 better. The connecting ends of two adjacent monomer tubes 101 are spaced apart by a connecting ring 102. Since the connecting ring 102 is made of a thermally insulating material, such as polyethylene carbonate, Teflon, etc., each of the individual tube 101 can be guaranteed to be independent. It is heated and does not affect each other, so that heat is not conducted from one unit tube 101 to another unit tube 101. It should be noted that the single tube 101 may be an aluminum tube, an aluminum alloy tube, a stainless steel tube, a ceramic tube, or the like, and the surface is insulated to make the heat conduction performance stronger and achieve the effect of rapid heating.

Referring to FIG. 4, in an embodiment, the heating tube 10 includes two single-piece tubes 101 and a connecting ring 102. One end of each of the two unit tubes 101 is provided with a heat dissipation hole 1011 communicating with the inside, and the other end (ie, the connection end) of the two unit tubes 101 is connected through a connection ring 102. Please continue to refer to FIG. 5 and FIG. 6. In order to facilitate the connection between the two individual tubes 101 through the connection ring 102, a first step 1012 is provided on the connection end of each single tube 101. A second step 1021 is provided, and the single tube 101 is mated with the second step 1021 and connected to the connecting ring 102 through the first step 1012. Alternatively, external threads are provided on the outer periphery of the first step 1012, internal threads are provided on the circumferential inner wall of the second step 1021, and the single pipe 101 and the connection ring 102 are screw-connected. It can be understood that the second steps 1021 in the two ends of the connecting ring 102 are spaced, so that the space between the two single-tube 101 can be ensured. Of course, the heating tube 10 may also include three single-piece tubes 101 and two connection rings 102.

In actual use, the specific operation of inserting the cigarette into the heating pipe 10 is to insert the cigarette from the single tube 101 at the bottom, and insert the cigarette upward, and then place the filter section at the lower end. During the baking process, heating is generally performed from the bottom to the top, that is, from the bottom end of the electronic cigarette 100 to the suction nozzle 60. That is, the single tube 101 at a distance from the suction nozzle 60 is heated by the heating member 1013, and after the lower end of the cigarette is baked, the single tube 101 near the suction nozzle 60 is heated by the heating member 1013, and the cigarette is baked in stages. At the same time, the heating of the individual tube 101 away from the suction nozzle 60 is stopped, and this segment heating is performed sequentially, so that the cigarette is fully and uniformly baked.

Referring to FIGS. 2 and 3, the heat insulation pipe 20 includes an inner pipe 201 and an outer pipe 202. The inner pipe 201 and the outer pipe 202 are hollow inside and open at both ends. The outer pipe 202 is sleeved on the inner pipe 201. The inner layer tube 201 is sleeved on the heating tube 10 and is located outside the heating element 1013. The arrangement of the double-layer heat insulation tube 20 can reduce the heat released by the heating tube 10 to be transmitted to the outside in a conductive or thermal radiation manner, thereby affecting the baking effect. The inner tube 201 and the outer tube 202 can be PEEK tubes, which can reduce the loss of radiant heat of the single tube 101, and effectively solve the problems of easy heating of the electronic cigarette 100 casing 50 and poor experience.

In order to effectively prevent the heat in the heating tube 10 from being conducted out by means of heat radiation, as shown in FIG. 2, the baking device 200 further includes a heat reflection tube 30. The heat reflection tube 30 is hollow inside and open at both ends, and is sleeved on the heating tube 10 and located between the heating element 1013 and the inner layer tube 201. A heat reflection film is provided on the inner wall of the heat reflection tube 30. The heat of the heating tube 10 is reflected and concentrated by the heat reflection tube 30 to ensure the baking effect. The heat reflecting film may be an aluminum foil, a tin foil, or the like.

In another embodiment, as shown in FIG. 2 and FIG. 7, the baking device 200 further includes a heat dissipation tube 40 having a “C” shape in cross-section. The heat dissipation tubes 40 are sleeved on the outer tube 202 at intervals and retain 2 mm. ～ 5mm separation distance. A metal base 51 is provided at the bottom end of the electronic cigarette 100, and a lower end of the heat pipe 40 is fixedly connected to the metal base 51 and the casing 50 of the electronic cigarette 100. The heat dissipation tube 40 can effectively dissipate the heat generated on the surface of the heat insulation tube 20 through the metal base 51 and the casing 50 to prevent the user from being burned when holding the product in his hand.

Referring to FIG. 7, the wall thickness of the lower end of the heat dissipation tube 40 is greater than the wall thickness of the upper end, and a screw-shaped protruding 401 is provided on the outside of the lower end of the heat dissipation tube 40. This setting can increase the heat dissipation surface area to increase the heat dissipation speed. Based on the lower end of the heat pipe 40 corresponding to the external position of the housing 50 is a handheld position, after the heat pipe 40 is sleeved on the outer tube 202, the convex 401 part is facing the lower end of the housing 50 to avoid the temperature of the user holding the housing 50 Too high and burns. The material of the heat dissipation pipe 40 is a metal with a large heat dissipation coefficient, such as a copper pipe.

The above heating pipe 10 can be taken as a single whole, and its shape is a long column-shaped structure. At least two or more heating elements 1013 are separately sleeved on the outer wall of the heating pipe 10, and two adjacent heating elements The distance between 1013 is 5mm ~ 10mm.

It should be noted that, in order to conveniently control the use of the electronic cigarette 100 of the present invention, a power switch is further provided. The power switch may be specifically disposed on the outside of the casing 50 and electrically connected to the circuit control system 90. The circuits of the power switch control circuit control system 90 are turned on or off to realize the work control of the atomizer 70 and the baking device 200 for electronic cigarettes.

The working principle of the electronic cigarette 100 of the present invention is as follows: when the power switch is pressed, the heating element 1013 starts heating the heating tube 10, and the tobacco in the heating tube 10 is heated and baked. At the same time, if the user continues to press the button, the user can inhale the smoke generated in the atomizer 70. After the preheating is completed, the flue-cured tobacco also starts to emit smoke simultaneously. The user can inhale the smoke of flue-cured tobacco alone or inhale the smoke generated by the atomizer and the smoke mixed with flue-cured tobacco smoke. After use, the flue-cured tobacco part can be pulled out separately.

The above-mentioned embodiments only express several implementation manners of the present invention, and their descriptions are more specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be noted that, for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the invention patent shall be subject to the appended claims.

Claims (15)

A baking device for an electronic cigarette includes: The heating tube includes a plurality of single tubes and a plurality of connection rings, and the number of the single tubes is one more than the number of the connection rings. Each of the single tubes is in the shape of a sleeve with a hollow interior and two ends open. One end of the single tube is provided with a heat dissipation hole that communicates with the inside, and the other end is in the shape of a column after being connected to the other single tube through the connection ring; Heating elements, the number of which is the same as the number of the individual tubes, each of which is independently provided on the outside of one of the individual tubes, for heating the individual tubes; and The heat insulation pipe is hollow inside and has two ends open. The heat insulation pipe houses the heating pipe therein, and the heat insulation pipe is located outside the heating element. The baking device for an electronic cigarette according to claim 1, wherein a plurality of heat dissipation holes are provided on the single tube, and the plurality of heat dissipation holes are along a circumferential direction of the single tube Spaced at one end of the single tube. The baking device for an electronic cigarette according to claim 1, wherein two adjacent individual tubes are fixedly connected at intervals through the connection ring. The baking device for an electronic cigarette according to claim 1, wherein the heat insulation tube comprises an inner layer tube and an outer layer tube, and the inner layer tube and the outer layer tube are hollow inside and have two ends Opening, the outer layer tube is sleeved on the inner layer tube, and the inner layer tube is sleeved on the heating tube and located outside the heating element. The baking device for an electronic cigarette according to claim 4, characterized in that the baking device further comprises a heat reflecting tube which is hollow inside and has two ends open, and the heat reflecting tube is located between the heating member and Between the inner layer tubes, a heat reflection film is provided on an inner wall of the heat reflection tube. The baking device for an electronic cigarette according to claim 1, wherein the baking device further comprises a heat pipe having a "C" cross-section, and the heat pipe is hollow inside and open at both ends. The heat-dissipating tube accommodates the heat-insulating tube at intervals. The baking device for an electronic cigarette according to claim 6, wherein a screw-shaped convex wing is provided on an outer side of one end of the heat dissipation pipe. The baking device for an electronic cigarette according to claim 7, wherein a thickness of a sidewall of one end of the heat dissipation pipe provided with the protruding wing is greater than a thickness of a sidewall of the other end. A baking device for an electronic cigarette includes: The heating tube includes a plurality of individual tubes, the interior of each of the individual tubes is hollow and both ends are open, and each of the individual tubes has a column shape after being connected to each other; A plurality of heating elements, each of which is independently provided on each of the individual tubes for heating each of the individual tubes; and An insulated tube that houses the heating tube therein. A baking device for an electronic cigarette includes: A heat-insulating tube which is hollow inside and has two ends open; The heating tube includes a plurality of individual tubes, each of which has a sleeve shape with a hollow interior and two ends open, and a plurality of the individual tubes are spaced in the heat insulation tube and have a column shape; and A plurality of heating elements, each of which is independently provided on the outside of each of the individual tubes. The roasting device for an electronic cigarette according to claim 10, wherein the roasting device further comprises a plurality of connecting rings, and two ends of each of the connecting rings are respectively adjacent to two adjacent singles. One end of the body tube is connected. The baking device for an electronic cigarette according to claim 11, wherein both ends of the connecting ring are provided with internal threads, and the end of the single tube is provided with external threads. A screw thread cooperates with the external thread to screw the connection ring to the single pipe. The baking device for an electronic cigarette according to claim 11, wherein a second step is provided in both ends of the connection ring, and a first step is provided in an end of the single tube, so that The first step is matched with the second step, so that the connection ring is fixed to the single tube. A baking device for an electronic cigarette includes: A heat-insulating tube which is hollow inside and has two ends open; The heating tube has a columnar shape and is arranged in the heat-insulating tube; and A plurality of heating elements, each of which is independently provided in sections on an outer wall of the heating pipe. An electronic cigarette, comprising: A casing, wherein the interior of the casing is hollow, and the first end is provided with an opening communicating with the interior; A suction nozzle provided on the opening; Atomizer, the atomizer is arranged in the casing, and forms an air flow communication with the suction nozzle through an exhaust pipe; The baking device according to any one of claims 1 to 14, wherein the baking device is disposed in the casing and is in air flow communication with the suction nozzle through an opening of the casing; A circuit control system, which is disposed in the housing and is electrically connected to the atomizer and the heating element, respectively; and A power supply is provided in the housing and is electrically connected to the circuit control system.

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