CN108402527A - A kind of device for flue-cured tobacco - Google Patents
A kind of device for flue-cured tobacco Download PDFInfo
- Publication number
- CN108402527A CN108402527A CN201810442001.XA CN201810442001A CN108402527A CN 108402527 A CN108402527 A CN 108402527A CN 201810442001 A CN201810442001 A CN 201810442001A CN 108402527 A CN108402527 A CN 108402527A
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- China
- Prior art keywords
- heating
- flue
- cured tobacco
- heat tracing
- heating chamber
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Classifications
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- A24F47/008—
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- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Central Heating Systems (AREA)
Abstract
The invention discloses a kind of device for flue-cured tobacco, it is related to electronic cigarette technical field, including shell and the battery, heating control module, heating component and the heating chamber for placing smoke that are set in shell.Heating control module is electrically connected battery and heating component, and heated current is provided to heating component.Heating chamber is enclosed by side wall and bottom surface, and corresponding bottom surface is provided with an opening entered for smoke；Heating component includes heating plate and heat tracing pipe, and heat tracing pipe is tubulose, is set to heating chamber side wall inner surface, and heating plate is set to heating chamber bottom surface.The device for flue-cured tobacco of the present invention is based on kelvin effect, and heating plate heat is radially outward radiated from heating plate along device for flue-cured tobacco, heat tracing tubular heat direction is radiated from heat tracing inside pipe wall to electronic cigarette axis direction, substantially increases the efficiency of heating.Technical scheme of the present invention so that device for flue-cured tobacco meets requirement of the Vehicles Collected from Market to device for flue-cured tobacco heating temperature and the efficiency of heating surface, while avoid existing device for flue-cured tobacco complex process, it is of high cost the shortcomings of.
Description
Technical field
The present invention relates to electronic cigarette technical field more particularly to a kind of device for flue-cured tobacco of electronic cigarette.
Background technology
Electronic cigarette on the market mainly has heating bar type and two kinds of heating techniques of heater wire ring type at present.Heat bar type electronics
The primary structure of cigarette includes battery, auxiliary circuit, device for flue-cured tobacco, heating rod etc., and principle of heating is that high-frequency current passes through resistance
Generate Joule heat.By taking the IQOS heating bar type electronic cigarettes of Fei Mo international (Philip Morris International) as an example,
Up to 300 degrees Celsius, cell voltage DC3.7V-DC5V, charging can be used 5-6 minutes heating temperature for 10 minutes.With Great Britain and America
For the heater wire ring type electronic cigarette of tobacco (British American Tobacco), structure includes mainly battery, auxiliary
Circuit, device for flue-cured tobacco, heating coil etc., principle of heating are that high-frequency current passes through heating coil sensing heating, heating temperature
It is same 300 degrees Celsius reachable.However heating bar type electronic cigarette needs are often cleaned, are taken time and effort, and while smoking, is incorrect
Uneven in temperature caused by suction can have injury to heating rod.And the processing of heater wire ring type electronic cigarette is complicated, production cost
Height, and maximum heating temperature is limited by obbbin burning point.The defect of above-mentioned electronic cigarette heating technique is avoided, while meeting heating again
It is required that becoming the improvement trend of Current electronic cigarette heating technique.
Invention content
The purpose of the present invention is to provide novel device for flue-cured tobacco, and existing add is avoided while meeting electronic cigarette heating effect
The defect of thermal technology.To achieve the goals above, the present invention provides the following technical solutions：A kind of device for flue-cured tobacco, including shell and set
Battery, heating control module, heating component and the heating chamber for placing smoke being placed in shell；The computer heating control mould
Block is electrically connected battery and heating component, and heated current is provided to heating component；The heating chamber is enclosed by side wall and bottom surface,
Corresponding bottom surface is provided with an opening being put into for smoke；The heating component includes heating plate and heat tracing pipe；The heating plate is set
It is placed in heating chamber bottom surface；The heat tracing pipe is tubulose, is set to heating chamber side wall inner surface.
Preferably, heating chamber bottom surface is fixed in described heating plate one end, and one end extends into heating chamber.
Preferably, the direction of the heating plate and the axis of heat tracing pipe are parallel.
Preferably, the heat tracing pipe outer wall is provided with thermal insulation layer.
Preferably, the heating control module includes the MCU being sequentially connected electrically and PWM drive circuit, high-frequency inversion electricity
Road, heater circuit；The heater circuit is electrically connected heating component；The MCU passes through PWM drive circuit, high-frequency inverter circuit tune
Control the generation AC heated currents of heater circuit.
Preferably, the heating control module further include pressure sensor, temperature sensor and be set to sensor and
Signal conditioning circuit between MCU；The signal conditioning circuit is used for the simulation from pressure sensor, temperature sensor
Signal is converted into the identifiable digital signals of MCU；The MCU receives the temperature of signal conditioning circuit feedback, pressure signal, according to
Temperature, pressure signal regulate and control the heated current.
Preferably, the heated current is 1.5-2.0A, 1-20kHz.
Preferably, the battery is DC3.7V-DC5V lithium batteries.
The device for flue-cured tobacco setting heating plate and the mating heating component of heat tracing pipe of the present invention is based on kelvin effect, heating plate heat
Amount is radially outward radiated from heating plate along device for flue-cured tobacco, heat tracing tubular heat direction is from heat tracing inside pipe wall to electronic cigarette axis direction spoke
It penetrates, substantially increases the efficiency of heating.Technical scheme of the present invention so that device for flue-cured tobacco meets Vehicles Collected from Market and heats temperature to device for flue-cured tobacco
Degree and the efficiency of heating surface requirement, while avoid existing device for flue-cured tobacco complex process, it is of high cost the shortcomings of.
Description of the drawings
In Fig. 1, the specific embodiment of the invention, device for flue-cured tobacco principle of heating schematic diagram；
In Fig. 2, the specific embodiment of the invention, device for flue-cured tobacco heating control module schematic diagram；
In Fig. 3, the specific embodiment of the invention, device for flue-cured tobacco heating effect figure.
Specific implementation mode
To make technical staff more fully understand the present invention, the embodiment of the present invention is carried out with reference to the accompanying drawings clear, detailed
Thin explanation, but it is not as a limitation of the invention.Obviously, described embodiment is only that the part of the present invention is implemented
Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
The every other embodiment obtained under the premise of labour, shall fall within the protection scope of the present invention.The present invention discloses a kind of novel
Device for flue-cured tobacco heats electronic cigarette based on kelvin effect, and specific technical solution sees below embodiment.
Embodiment 1
As shown in Figure 1 and Figure 2, in a particular embodiment, the device for flue-cured tobacco of this programme is used for the heating of electronic cigarette, this device for flue-cured tobacco
Shell in the chargeable DC3.7V-DC5V lithium batteries that are equipped with, user can give the battery to charge by modes such as charger babies.This
Device for flue-cured tobacco charges 10 minutes and can be used 6 minutes, meets the time demand for normally inhaling 1 cigarette.Device for flue-cured tobacco is additionally provided with computer heating control
Module and heating chamber and the heating component being installed in heating chamber.Heating chamber size is agreed with electronic cigarette size, there is a setting
Opening on shell, electronic cigarette is put into the heating function for starting device for flue-cured tobacco after heating chamber when use.Heating component is by heating plate
It is formed with heat tracing pipe, heating plate is plates, and one end installation heating chamber bottom surface, one end extend into heating chamber；Heat tracing pipe is pipe
Shape is mounted on heating chamber side wall inner surface.The direction of heating plate is parallel with the axis of heat tracing pipe, is conducive to the realization of kelvin effect.
Heating control module, is electrically connected battery and heating component, and major function is that the DC electric current for providing battery turns
It is changed to suitable AC electric currents and is supplied to heating component.Specifically, heating control module includes the pressure sensor of electrical connection, temperature
Sensor, signal conditioning circuit, MCU, PWM drive circuit, high-frequency inverter circuit and kelvin effect heater circuit, kelvin effect
Circuit is electrically connected heating component.Signal conditioning circuit converts the analog signal from pressure sensor, temperature sensing to MCU can
The digital signal of identification, heating temperatures of the MCU according to temperature signal control electronic cigarette, according to adding for pressure signal control electronic cigarette
The thermal efficiency.PWM drive circuit realizes control of the signal of MCU outputs to analog circuit by way of changing pulse width；
Low-voltage DC inversion is high frequency low voltage alternating current by high-frequency inverter circuit.MCU is driven according to temperature, pressure signal by PWM
Circuit and high-frequency inverter circuit, control heater circuit generate AC heated currents.In a particular embodiment, which is 1.5-
2.0A, 1-20kHz, control heating plate reach 100 DEG C -300 DEG C with the heat that heating tube is sent out in 20s, meet user to roasting
The use demand of cigarette device.
Embodiment 2
In a particular embodiment, device for flue-cured tobacco shell of the present invention is approximate tubulose, supreme under inside having to be disposed with above
The opening of battery, heating control module and the heating chamber, heating chamber is opened in device for flue-cured tobacco case top.Heating plate setting exists
Heating chamber bottom, heat tracing pipe are installed on heating cavity wall, are inserted into heating chamber in use, electronic cigarette is open from heating chamber.Heat tracing
Pipe is outer to be provided with thermal insulation layer, for reducing heat that heating plate and heating tube are sent out because conduct radiation is to device for flue-cured tobacco outer wall, effectively
It reduces the loss of heat and prevents high temperature from scalding user.
Embodiment 3
In a particular embodiment, this programme device for flue-cured tobacco cooperation electronic cigarette is in use, electronic cigarette is inserted into the heating chamber of device for flue-cured tobacco
Interior, electronic cigarette is all put into heating chamber other than suction nozzle, and front end abuts heating plate.Start the heating function of device for flue-cured tobacco, it is right
Electronic cigarette is heated, and the heat that heating plate generates radially outward is radiated along electronic cigarette, accounts for the 1/4-1/3 of total amount of heat；Heat tracing pipe
Inner wall generate vortex heat source, heat direction from heat tracing inside pipe wall to electronic cigarette axis direction radiate, account for the 2/3- of total heating amount
3/4.Specifically, the operation principle of heating plate is as follows：The resistance value of heating plate controls within the Ω of R≤1, flows through the electric current of heating plate
The Joule heat that i is generated is represented by Q=i2R.The frequency that heating plate is passed through sinusoidal alternating current is higher, around alternating electromagnetic field
Pace of change it is faster, Q is bigger；The eddy current that heating plate generates simultaneously is bigger, then generated Joule heat is more.
Joule heat and the frequency of alternating current generated by vortex it is square directly proportional.The purpose of high-frequency heating is that, for passing through
An equal amount of electric current of heating plate, frequency is higher, better in the heating effect that heating plate generates.
The principle of heating of heat tracing pipe is eddy current effect, specifically, when heating plate is passed through sinusoidal alternating current, around heating
Piece axis just produces alternating electromagnetic field, at this time pipeline be in variation electromagnetic field in, in pipeline magnetic flux change thus
Induced electromotive force is produced, to generate induced current in the pipe wall, this electric current is exactly to be vortexed, this electric current is along tube wall normal side
It is exponentially distributed to from inner wall to outer wall (skin depth), is for electronic cigarette by outer in the eddy current effect that heating inside pipe wall generates
The main heating source inwardly heated.Its most crucial supply voltage u, supply voltage frequency f, heating temperature Tup, pipe diameter D, pipe
The correspondence of road thickness δ and duct length l are shown below：
In addition when high-frequency heating electric current is flowed through from heat tracing pipe resistance wire, while electric field and the magnetic field of alternation being generated, electric field with
Magnetic field all has respective kelvin effect and kindred effect.Electric field and magnetic field are all densely distributed in the inner surface of heat tracing pipe, and
Heat tracing tube outer surface shows as device for flue-cured tobacco heating chamber outer wall outer surface electricity almost without electric field strength and Magnetic Induction Density Distribution
Pressure, electric current zero.Heat tracing pipe resistance wire power frequency is higher, and the current density that electric field is generated with magnetic field in inner surface of pipeline is got over
Greatly, heating effect is better, therefore amplitude and frequency by controlling heated current can control the heating temperature of device for flue-cured tobacco.
Embodiment 4
In a particular embodiment, heating control module generates heated current, controls heating plate and heat tracing pipe generates heat.Add
Thermocurrent is 1.5-2.0A, 1-20kHz, and heating plate reaches 100 DEG C -300 DEG C with the heat that heating tube is sent out in 20s, meets
Normally inhale the time demand of 1 cigarette.As shown in figure 3, device for flue-cured tobacco Heating Experiment test result, it is seen that in 50s or so heating temperatures
100 DEG C are reached, this temperature can meet at present the demand for heat of electronic cigarette on the market；It is reachable in 140s or so heating temperatures
To 300 DEG C.
Device for flue-cured tobacco disclosed in this invention, heating plate heat is radially outward radiated by heating plate along electronic cigarette, heat tracing pipe is warm
It measures direction to be radiated from heat tracing inside pipe wall to heating chamber axis direction, substantially increases the efficiency of heating.Device for flue-cured tobacco of the present invention adds
Hot temperature reaches the index of similar products at home and abroad up to 300 degrees Celsius, meets the use demand of user.Relative to heating rod
Formula electronic cigarette, the present invention replace heating rod with heating plate, need not often clean；And due to heating and heat tracing inside heating plate
Inside pipe wall heating is carried out at the same time, and is avoided uneven in temperature caused by incorrect suction when smoking.Relative to heating coil
Formula electronic cigarette, present invention eliminates heat tracing pipe outside heating coil, it is simple for process, reduce design cost；Simultaneously because inside and outside
Heating is carried out at the same time, therefore heating temperature is not limited substantially by obbbin burning point.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using technology extends made by present invention explanation and accompanying drawing content or recreation is included in the present invention
Scope of patent protection in.
Claims (8)
1. a kind of device for flue-cured tobacco, which is characterized in that including shell and the battery being set in shell, heating control module, heating group
Part and heating chamber for placing smoke；
The heating control module electrical connection battery and heating component, heated current is provided to heating component；
The heating chamber is enclosed by side wall and bottom surface, and corresponding bottom surface is provided with an opening being put into for smoke；The heating
Component includes heating plate and heat tracing pipe；The heating plate is set to heating chamber bottom surface；The heat tracing pipe is tubulose, is set to heating
Chamber side wall inner surface.
2. device for flue-cured tobacco according to claim 1, which is characterized in that heating chamber bottom surface, one end are fixed in described heating plate one end
Extend into heating chamber.
3. device for flue-cured tobacco according to claim 2, which is characterized in that the direction of the heating plate is parallel with the axis of heat tracing pipe.
4. device for flue-cured tobacco according to claim 3, which is characterized in that the heat tracing pipe outer wall is provided with thermal insulation layer.
5. device for flue-cured tobacco according to claim 1, which is characterized in that the heating control module includes the MCU being sequentially connected electrically
And PWM drive circuit, high-frequency inverter circuit, heater circuit；The heater circuit is electrically connected heating component；The MCU passes through
The generation AC heated currents of PWM drive circuit, high-frequency inverter circuit regulation and control heater circuit.
6. device for flue-cured tobacco according to claim 5, which is characterized in that the heating control module further includes pressure sensor, temperature
Degree sensor and the signal conditioning circuit being set between sensor and MCU；The signal conditioning circuit, for pressure will to be come from
Force snesor, temperature sensor analog signal be converted into the identifiable digital signals of MCU；The MCU receives signal condition electricity
The temperature of road feedback, pressure signal regulate and control the heated current according to temperature, pressure signal.
7. device for flue-cured tobacco according to claim 5, which is characterized in that the heated current is 1.5-2.0A, 1-20kHz.
8. device for flue-cured tobacco according to claim 1, which is characterized in that the battery is DC3.7V-DC5V lithium batteries.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442001.XA CN108402527B (en) | 2018-05-10 | 2018-05-10 | Tobacco flue-curing device |
| PCT/CN2018/106606 WO2019214131A1 (en) | 2018-05-10 | 2018-09-20 | Cigarette roaster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442001.XA CN108402527B (en) | 2018-05-10 | 2018-05-10 | Tobacco flue-curing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108402527A true CN108402527A (en) | 2018-08-17 |
| CN108402527B CN108402527B (en) | 2020-05-05 |
Family
ID=63138475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810442001.XA Active CN108402527B (en) | 2018-05-10 | 2018-05-10 | Tobacco flue-curing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108402527B (en) |
| WO (1) | WO2019214131A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109588780A (en) * | 2018-09-30 | 2019-04-09 | 广西中烟工业有限责任公司 | A kind of electromagnetic induction heater using lithium battery power supply |
| WO2019214131A1 (en) * | 2018-05-10 | 2019-11-14 | 深圳市华远新材料有限公司 | Cigarette roaster |
| CN111418907A (en) * | 2020-03-31 | 2020-07-17 | 台湾立讯精密有限公司 | Gas mist generating device and method for controlling gas mist generating device |
| CN113412068A (en) * | 2020-01-16 | 2021-09-17 | 韩国烟草人参公社 | Aerosol generating device |
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- 2018-09-20 WO PCT/CN2018/106606 patent/WO2019214131A1/en active Application Filing
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| CN204969474U (en) * | 2015-08-18 | 2016-01-20 | 河南中烟工业有限责任公司 | Novel cigarette heating device of electromagnetic heating type heating incombustible |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019214131A1 (en) * | 2018-05-10 | 2019-11-14 | 深圳市华远新材料有限公司 | Cigarette roaster |
| CN109588780A (en) * | 2018-09-30 | 2019-04-09 | 广西中烟工业有限责任公司 | A kind of electromagnetic induction heater using lithium battery power supply |
| CN113412068A (en) * | 2020-01-16 | 2021-09-17 | 韩国烟草人参公社 | Aerosol generating device |
| CN113412068B (en) * | 2020-01-16 | 2024-03-08 | 韩国烟草人参公社 | Aerosol generating device and control method thereof |
| CN111418907A (en) * | 2020-03-31 | 2020-07-17 | 台湾立讯精密有限公司 | Gas mist generating device and method for controlling gas mist generating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108402527B (en) | 2020-05-05 |
| WO2019214131A1 (en) | 2019-11-14 |
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