CN108514155B

CN108514155B - Tobacco shred heating type electronic cigarette

Info

Publication number: CN108514155B
Application number: CN201810225018.XA
Authority: CN
Inventors: 吴晋禄; 高乃平
Original assignee: Tongji University
Current assignee: Tongji University
Priority date: 2018-03-19
Filing date: 2018-03-19
Publication date: 2020-06-02
Anticipated expiration: 2038-03-19
Also published as: CN108514155A

Abstract

The invention relates to an electronic cigarette heated by cut tobacco, comprising a cut tobacco heating module and an electrical module for controlling the operation of the cut tobacco heating module, wherein the cut tobacco heating module comprises a primary air inlet, a primary air preheating cavity, a built-in cut tobacco and is used for heating to generate A tobacco cut heater, a filter, a flue gas conveying pipe and a cigarette holder for smoke, and a secondary air inlet is additionally provided on the flue gas conveying pipe. Compared with the prior art, the invention has the advantages of faster heating speed, controllable heating power, sufficient heating and precipitation of chemical components of cut tobacco, and adjustable temperature and concentration of flue gas.

Description

Tobacco shred heating type electronic cigarette

Technical Field

The invention relates to an electronic cigarette, in particular to a tobacco shred heating type electronic cigarette.

Background

Compared with the traditional cigarette, the electronic cigarette does not contain carcinogenic chemical substances such as tar and solid particles generated by high-temperature combustion in the generated smoke, so that the harm to the health of smokers is relieved, and the electronic cigarette is more and more concerned by people. At present, the tobacco shred heating type electronic cigarettes on the market generally have the defects of low tobacco shred heating speed, uncontrollable heating power, insufficient tobacco shred heating and unadjustable smoke temperature and concentration.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the tobacco shred heating type electronic cigarette.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a pipe tobacco adds fever type electron cigarette, includes pipe tobacco heating module and the electric module of control pipe tobacco heating module work, pipe tobacco heating module is including the wind entry that connects gradually, a wind preheats chamber, built-in pipe tobacco and be used for heating the pipe tobacco heater, filter, flue gas conveyer pipe and the cigarette holder that produces smog, be equipped with the overgrate air entry in addition on the flue gas conveyer pipe.

In a preferred embodiment of the present invention, the tobacco shred heater comprises a tobacco shred cavity with an opening at one end and connected with the filter at the opening part, the side wall of the tobacco shred cavity is densely distributed with air-permeable through holes communicated with the primary air preheating cavity, and the tobacco shred cavity is internally provided with a heating rod and filled with tobacco shreds.

In a more preferable embodiment, the heating rod comprises a plurality of heating blocks, each heating block is respectively and independently connected with the electric module, and the electric module controls the heating of the tobacco shred. In the invention, the controller of the electric module can be provided with a plurality of power buttons, and each power button is correspondingly connected with each heating block through an independent driving circuit in the controller, so that the purpose of increasing and decreasing the started heating blocks can be realized through the power buttons, and the heating power of the electronic cigarette can be further adjusted.

In a further more preferred embodiment, the number of heating blocks is 4.

In a preferred embodiment of the present invention, the opening and closing switch for controlling the opening degree of the secondary air inlet is arranged on the secondary air inlet, so that the opening degree of the secondary air inlet can be controlled by sliding the opening and closing switch, thereby changing the intake of the secondary air and playing roles in cooling the high temperature flue gas and adjusting the concentration of the flue gas.

In a preferred embodiment of the invention, a flow equalizer is arranged in the cigarette holder, and the flow equalizer can be a common gas equalizer, and mainly plays a role in fully and uniformly mixing secondary air and smoke and improving the quality of the smoke.

In a preferred embodiment of the invention, the electrical module comprises a lithium battery as a power source, a controller for controlling the operation of the tobacco shred heating module and an indicator light. More preferably, the pilot lamp sends ruddiness when the electron cigarette circular telegram is worked, shows that the electron cigarette is in operating condition, and the light that sends when the simulation tradition cigarette burns simultaneously improves user's use and experiences. The controller of the invention can adopt a conventional device with a control function, such as a PLC control system and the like.

In a preferred embodiment of the present invention, a heating wire for heating the passing primary air is arranged in the primary air preheating cavity, and the heating wire is connected with the electrical module and is controlled to be opened and closed by the electrical module.

The primary air enters the primary air preheating cavity from the primary air inlet, and the primary air is preheated through the electric heating wires, so that the heating speed of the tobacco shreds is increased. Preheated primary air enters a gap channel between the inner wall and the outer wall of the cut tobacco heater, enters the cut tobacco heater from the ventilation through hole on the inner wall surface of the cut tobacco heater to heat the cut tobacco, increases the contact area of hot air and the cut tobacco, and is beneficial to the separation of chemical components of the cut tobacco.

The heating block in the tobacco shred heater is controlled by a power button, the power button is provided with four keys, the corresponding heating block is correspondingly controlled by a controller, and the heating power of the tobacco shred can be adjusted according to the requirement.

And secondary air enters the flue gas conveying pipe from the secondary air inlet to be mixed with the heated flue gas, and the high-temperature flue gas is cooled and the concentration of the flue gas is adjusted.

A flow equalizer is arranged in the cigarette holder, secondary air and high-temperature smoke are uniformly mixed, and the smoke quality is improved.

The pilot lamp sends ruddiness when the electron cigarette circular telegram is worked, shows that the electron cigarette is in operating condition, and the light that sends when the burning of simulation traditional cigarette simultaneously improves user's use and experiences.

The working process of the invention is as follows:

the primary air enters the primary air preheating cavity from the primary air inlet, and the primary air preheating cavity is internally provided with an electric heating wire which can preheat the primary air. The preheated hot air with certain temperature enters a gap channel between the inner wall and the outer wall of the tobacco shred heater and enters a cavity of the tobacco shred heater through the ventilation through hole to preheat the tobacco shred. Meanwhile, the heating rod in the tobacco shred heater is started, so that the tobacco shreds can be rapidly heated and smoke is generated, and harmful substances are filtered and removed by being carried to the filter by primary air. At the moment, the generated high-temperature smoke without harmful substances is sent to the cigarette holder through the smoke conveying pipe, during the period, a secondary air inlet on the smoke conveying pipe can slide an opening and closing switch according to needs to be opened to a proper opening degree, appropriate secondary air enters into the smoke conveying pipe to be mixed with the high-temperature smoke for cooling and adjusting the smoke concentration, and finally the smoke is sucked through a flow equalizer in the cigarette holder.

Compared with the prior art, the invention has the advantages of high heating speed, controllable heating power, full heated separation of chemical components of tobacco shreds, adjustable temperature and concentration of flue gas and the like.

Drawings

Fig. 1 is a schematic structural diagram of a tobacco shred heating type electronic cigarette.

The reference numbers in the figures indicate:

the device comprises a lithium battery 1, a power button 2, a controller 3, a primary air inlet 4, a tobacco shred heater inner wall surface 5, a tobacco shred heater outer wall surface 6, an opening and closing switch 7, a secondary air inlet 8, a current equalizer 9, a cigarette holder 10, a smoke conveying pipe 11, a filter 12, a tobacco shred heater 13, a heating rod 14, a primary air preheating cavity 15, an electric heating wire 16 and an indicator light 17.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments.

Examples

The tobacco shred heating type electronic cigarette shown in fig. 1 comprises an electrical module and a tobacco shred heating module, wherein the electrical module comprises a lithium battery 1, a power button 2, a controller 3 and an indicator light 17, and the tobacco shred heating module comprises a primary air inlet 4, a primary air preheating cavity 15, a tobacco shred heater 13, a heating rod 14, a filter 12, a smoke conveying pipe 11 and a cigarette holder 10 which are sequentially arranged along the smoke flowing direction. A secondary air inlet 8 is additionally arranged on the smoke conveying pipe 11, and a flow equalizer 9 for equalizing and mixing smoke is arranged in the cigarette holder 10.

In this embodiment, the electrical module is used to control the operation of the tobacco shred heating module, wherein the lithium battery 1 mainly exists as a power supply to provide electric energy required for operation for the controller 3 and each necessary component in the tobacco shred heating module, and the controller 3 mainly plays a role of electrical control, and is connected with and controls the operation of the primary air preheating cavity 15 and the tobacco shred heater 13. In addition, the electric module also includes the pilot lamp 17 of being connected with controller 3, and it sends ruddiness when the electron cigarette circular telegram is worked, and the light that cigarette end burning sent when the simulation tradition cigarette is lighted improves user's use and experiences.

In the tobacco shred heating module, the smoke heater 13 is also provided with an inner wall surface and an outer wall surface, a gap channel between the outer wall 6 of the smoke heater and the inner wall surface 5 of the smoke heater is communicated with a primary air preheating cavity 15, the inner wall surface 5 of the smoke heater encloses a hollow cavity body connected with the filter 12, a heating rod 14 controlled to be opened and closed by the controller 3 is arranged on the axis symmetry central line of the cavity body, and meanwhile, ventilation through holes are densely distributed on the inner wall surface 5 of the smoke heater to enable the inner cavity body to be communicated with the gap channel, so that primary air can enter the cavity filled with tobacco shreds through the ventilation through holes.

During specific work, primary air enters the primary air preheating cavity 15 from the primary air inlet 4, and the primary air preheating cavity 15 is internally provided with the electric heating wire 16 which can preheat the primary air. The preheated hot air with a certain temperature enters a gap channel between the inner wall and the outer wall of the tobacco shred heater 13 and enters the cavity of the tobacco shred heater 13 through the ventilation through hole to preheat the tobacco shreds. Meanwhile, the heating rod 14 in the tobacco shred heater 13 is started, so that the tobacco shreds can be rapidly heated and smoke is generated, and harmful substances are filtered and removed by being carried to the filter 12 by primary air. At the moment, the generated high-temperature smoke without harmful substances is sent to the cigarette holder 10 through the smoke conveying pipe 11, in the period, the secondary air inlet 8 on the smoke conveying pipe 11 can slide the opening and closing switch 7 according to needs to be opened to a proper opening degree, a proper amount of secondary air enters to be mixed with the high-temperature smoke for cooling and adjusting the smoke concentration, and finally, the smoke is sucked through the flow equalizer 9 in the cigarette holder 10.

In this embodiment, the heating rod 14 may be composed of four heating blocks, each of which is controlled by a separate power button 2 on the electrical module. Each power button 2 correspondingly controls a heating block through the controller 3, and a user can increase or decrease the number of the heating blocks according to personal requirements to adjust the heating power of the electronic cigarette.

The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims

1. A tobacco shred heating type electronic cigarette is characterized by comprising a tobacco shred heating module and an electrical module for controlling the tobacco shred heating module to work, wherein the tobacco shred heating module comprises a primary air inlet (4), a primary air preheating cavity (15), a tobacco shred heater (13) for heating and generating smoke, a filter (12), a smoke conveying pipe (11) and a cigarette holder (10) which are sequentially connected, and a secondary air inlet (8) is additionally arranged on the smoke conveying pipe (11);

the tobacco shred heater (13) comprises a tobacco shred cavity with an opening at one end and connected with the filter (12), the side wall of the tobacco shred cavity is densely provided with ventilation through holes communicated with the primary air preheating cavity (15), and the tobacco shred cavity is internally provided with a heating rod (14) and filled with tobacco shreds;

the heating rod (14) comprises a plurality of heating blocks, each heating block is respectively and independently connected with the electric module, and the electric module controls the heating of tobacco shreds.

2. The tobacco shred heating type electronic cigarette according to claim 1, wherein the number of the heating blocks is 4.

3. The tobacco shred heating type electronic cigarette according to claim 1, wherein an opening and closing switch (7) for controlling the opening degree of the secondary air inlet (8) is arranged on the secondary air inlet.

4. The tobacco shred heating type electronic cigarette according to claim 1, wherein a flow equalizer (9) is arranged in the cigarette holder (10).

5. The tobacco shred heating type electronic cigarette according to claim 1, wherein the electrical module comprises a lithium battery (1) serving as a power supply, a controller (3) for controlling the operation of the tobacco shred heating module, and an indicator lamp (7) connected with the controller (3) and used for displaying the operating state.

6. The tobacco shred heating type electronic cigarette according to claim 5, wherein the indicator light (7) emits red light when the electronic cigarette is powered on to work, so that the electronic cigarette is displayed in a working state, and meanwhile, the light emitted when a traditional cigarette is burned is simulated, so that the use experience of a user is improved.

7. The tobacco shred heating type electronic cigarette according to claim 1, wherein a heating electric wire for heating passing primary air is arranged in the primary air preheating cavity (15), and the heating electric wire is connected with the electric module and is controlled to be opened and closed by the electric module.