CN110279151A - A kind of microwave heating is not burnt smoking set - Google Patents
A kind of microwave heating is not burnt smoking set Download PDFInfo
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- CN110279151A CN110279151A CN201910530368.1A CN201910530368A CN110279151A CN 110279151 A CN110279151 A CN 110279151A CN 201910530368 A CN201910530368 A CN 201910530368A CN 110279151 A CN110279151 A CN 110279151A
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- microwave
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- inner conductor
- smoking set
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- A24F47/004—
Abstract
It does not burn smoking set the present invention relates to a kind of microwave heating, it is made of power supply (1), solid state microwave sources (3), control system (4), heating chamber (5) and the inner conductor (4) being located in heating chamber；The inner conductor structure is simple, effectively reduces loss of the microwave in transmission process, reduces the energy consumption of system.Since inner conductor exists, the thermal energy that microwave generates only is generated in smoke content, heat is taken away by smoke matrix, do not remain on equipment, avoids the problem of device housings overheat, microwave is transmitted to smoke matrix by inner conductor in the present invention, and it is gradually exported outward to penetrate matrix by internal, the uniformity of smoke matrix heating is improved, structure design prevents microwave from leakage, causes to murder to human body.
Description
[technical field]
The invention belongs to heat not field of combustion technology.The cigarette more particularly it relates to which a kind of microwave heating is not burnt
Tool.
[background technique]
The difference for heating do not burn cigarette and conventional tobacco products Smoking regime, compared with traditional cigarette, heating is not burnt
Cigarette heats tobacco using external heat source, and (250-400 DEG C) heating tobacco material discharges flue gas under relatively lower temp.Add
Burning tobacco had not only remained and had aspirated impression similar in traditional cigarette heat, but also in harmful ingredients in flue gas control, sidestream smoke
Gas release, soot contamination etc. are obviously improved than traditional cigarette, therefore, are heated the tobacco product that do not burn and are disappeared both at home and abroad
Expense person's chases, and also becomes an important directions of tobacco enterprise scientific and technical innovation.
According to the difference for heating the cigarette tobacco product heating method that do not burn, resistance heating type can be divided into, physical and chemical reaction adds
Heat type, fuel hot type etc. are not need burning simply by heating pipe tobacco, toast out the nicotine and flavor in tobacco
Matter, to meet the needs of smoker.The heating method of market comparative maturity is mainly based on resistance heating, with Philips Mo Lisi
The IQOS product of production company is representative, provides heat by resistance-type heating element, heating tobacco discharges flue gas
IQOS is that the electric heating product of representative achieves good achievement in multiple markets, shows good development prospect.But mesh
Preceding resistance type heater tool is long in the presence of heating preheating time, heating efficiency is low, heating effect stability is poor, heating element is difficult to clearly
The clean technological deficiency being easily damaged.Electromagnetic heating generates alternating magnetic field by direct current to make heated body heat, and also belongs to electricity
The scope of heating is hindered, it is low that there is also heating efficiencies, and heating effect is uneven, and heat acceptor is difficult to the shortcomings that cleaning.
Relative to the resistance-type heating method being widely used at present, microwave heating technique is then a completely new heating side
Formula.Microwave heating be it is a kind of absorb microwave energy by object and convert thereof into thermal energy, make the heating side of itself whole heating simultaneously
Formula and be different from other conventional heating modes completely.Traditional heating mode is to make heat according to heat transfer, convection current and radiation theory
Material heat is reached from outside, always from outward appearance to inner essence transmitting carries out heated material to heat, is inevitably present temperature in material
Gradient, therefore the material heated is uneven, and material is caused hot-spot occur, microwave heating technique is different from traditional heating mode,
It is moved by heated object internal dipole molecule high-frequency reciprocating, is generated " interior frictional heat " and is made to be heated temperature of charge liter
Height is not necessary to any heat transfer process, can make material inside and outside portion while heat while heating up, and heating speed is fast and uniform, it is only necessary to
The part of the energy consumption of traditional heating mode or tens/once can reach heating purpose.
For this purpose, the present inventor is directed to the working principle of cigarette microwave heating equipment, inner conductors specifically design and have carried out skill
Art research, and a set of design scheme for realizing cigarette microwave heating inner conductor is proposed, complete the present invention.
[summary of the invention]
[technical problems to be solved]
It does not burn smoking set the object of the present invention is to provide a kind of microwave heating.
[technical solution]
The present invention is achieved through the following technical solutions.
It does not burn smoking set the present invention relates to a kind of microwave heating.
The microwave heating smoking set that do not burn includes power supply, it be by power supply, solid state microwave sources, control system, heating chamber with
What the inner conductor in heating chamber was constituted, microwave source is transmitted to the smoke matrix of insertion heating chamber from the inner conductor, inside leads
Body carries out microwave transmission and realizes heating of the microwave to smoke matrix.
A preferred embodiment of the invention, the inner conductor is for receiving and transmitting microwave, in inner conductor
When contacting with smoke matrix, smoke matrix absorption microwave energy makes polar molecule and microwave electromagnetic field phase interaction in smoke matrix
With making polar molecule quick oscillation be converted into thermal energy, to reach heating cigarette.
According to another preferred method of implementation of the present invention, the inner conductor is fixed on heating chamber surrounding or in which the heart, or
Person is fixed on heating chamber surrounding and center simultaneously.
According to another preferred method of implementation of the present invention, the inner conductor is arranged as in parallel lead more in heating chamber
Line, coaxial line, parallel flat waveguide form or it is embedded in heating cavity wall.
According to another preferred method of implementation of the present invention, the inner conductor be by it is one or more selected from copper, aluminium, iron or
Made of the material of its alloy.
According to another preferred method of implementation of the present invention, the inner conductor shape is aciculiform, umbrella shape, twist shape or circle
Cylindricality.
According to another preferred method of implementation of the present invention, a kind of modes of emplacement of the inner conductor is placed in heating chamber
The heart or heating cavity wall, another modes of emplacement are to be embedded in non-conductive inorganic material ceramics resistant to high temperature or glass.
According to another preferred method of implementation of the present invention, the impedance of the inner conductor is 30~70 Ω.
According to another preferred method of implementation of the present invention, the length of the inner conductor is less than the length of heating chamber.
According to another preferred method of implementation of the present invention, the microwave frequency of the solid state microwave sources be 915MHz with
2.45GHz。
The present invention is described in more detail below.
It does not burn smoking set the present invention relates to a kind of microwave heating.The microwave heating do not burn smoking set specific structure referring to attached
Fig. 1, inner conductor in microwave heating chamber situation referring to attached drawing 2.
In attached drawing 1 and attached drawing 2: 1 is power supply；2 be control system；3 be solid state microwave sources；4 be inner conductor；5 be heating
Chamber；6 be smoke matrix.
The microwave heating smoking set that do not burn includes power supply, it be by power supply, solid state microwave sources, control system, heating chamber with
What the inner conductor in heating chamber was constituted, microwave source is transmitted to the smoke matrix of insertion heating chamber from the inner conductor, inside leads
Body carries out microwave transmission and realizes heating of the microwave to smoke matrix.
According to the present invention, the inner conductor is for receiving and transmitting microwave, when inner conductor and smoke matrix contact, hair
Tobacco matrix absorption microwave energy makes polar molecule and microwave electromagnetic field interactions in smoke matrix, makes polar molecule quick oscillation
It is converted into thermal energy, to reach heating cigarette.
In the present invention, the inner conductor is fixed on heating chamber surrounding or in which the heart, or is fixed on heating chamber four simultaneously
Week and center.The diameter for heating the cigarette that do not burn is smaller, and usually 5~8mm, microwave can not transmit in heating chamber,
Only microwave could be transmitted in heating chamber after impedance inner conductor column is added, and be realized under microwave action big to smoke content
The fever of polar substances severe friction, heats smoke matrix.The inner conductor is microwave transmission to heating chamber centre or heating
Cavity wall realizes that smoke matrix is heated in center heating or surrounding heating or center heating and surrounding heating collective effect.
In the present invention, the inner conductor is arranged as parallel more conducting wires, coaxial line, parallel flat waveguide in heating chamber
Form or it is embedded in heating cavity wall.Number quantity and form by increasing inner conductor preferably transmit microwave, improve heating effect
Rate.
According to the present invention, the inner conductor is made of one or more materials selected from copper, aluminium, iron or its alloy.
The medium that inner conductor is transmitted as microwave in heating chamber, material should be metallics, on the one hand be convenient for microwave transmission, another
Aspect improves the transmission rate of microwave, improves microwave amount of the microwave in smoke matrix, rapidly and uniformly heats smoke matrix.This
Invention is all current market sales of product using inner conductor material.
In the present invention, the inner conductor shape is aciculiform, umbrella shape, twist shape or cylinder.
According to the present invention, a kind of modes of emplacement of the inner conductor is placed in heating chamber center or heating cavity wall, another
Kind modes of emplacement is to be embedded in non-conductive inorganic material ceramics resistant to high temperature or glass.Inner conductor is embedded in non-conductive resistance to height
Temperature inorganic material in be because inner conductor shape be it is a variety of, smoke matrix insertion inner conductor in, suction terminate after-fume
Matrix can be hung upside down in the conductor, and inner conductor is embedded in non-conductive inorganic material resistant to high temperature, non-conductive resistant to high temperature
Inorganic material can be made into smooth shape, convenient for choosing for smoke matrix.
According to the present invention, the impedance of the inner conductor is 30~70 Ω.Microwave after incoming smoke matrix its heated,
There are also part microwave energies to be fully used, and returning to solid state microwave sources will cause the damage of solid state microwave sources part, to make this
Wave energy does not waste slightly, impedance inner conductor is made by using the higher material of resistivity, directly by the microwave of remainder
High frequency current transitions realize the auxiliary heating to tobacco at heat,
According to the present invention, the length of the inner conductor is less than the length of heating chamber.It is to be inhaled to prevent microwave from leakage by human body
Enter, therefore the length of inner conductor should be less than the length of heating chamber, it is preferably consistent with the length of smoke matrix.Since heating chamber is straight
Diameter is much smaller than the cut-off waveguide diameter of the microwave frequency, and without one section of inner conductor column, microwave can not transmit and exist, microwave quilt
In coaxial heater, the opening for the cigarette that will not burn from insertion heating lets out for shielding, will not cause to smoker
Microwave injury；
According to the present invention, the microwave frequency of the solid state microwave sources is 915MHz and 2.45GHz.
It is as follows that microwave wavelength calculates formula:
λ=c/f (1)
In formula:
C is the light velocity,
F is microwave frequency；
Cutoff wavelength calculation formula is as follows:
λ c=3.41R (2)
In formula:
λ c is the cutoff wavelength of TE11 mould,
R is heating chamber radius.
The microwave wavelength of each frequency is calculated about according to formula 1 are as follows:
The microwave wavelength that frequency is 915MHz is about 327.87mm, and frequency is that the microwave wavelength of 2.45GHz is about
122.45mm。
The cutoff wavelength of each frequency is calculated about according to formula 2 are as follows:
The microwave deadline size that frequency is 915MHz is R=λ _ c/3.41=327.87/3.41 ≈ 96mm；
The microwave deadline size that frequency is 2.45GHz is R=λ _ c/3.41=122.45/3.41 ≈ 36mm；
According to above-mentioned calculating, it is known that main mould is the round tube cavity of TE11:
Microwave frequency is in 915MHz, diameter need >=192mm, just there is a kind of microwave mode and transmits microwave.
Microwave frequency is in 2.45GHz, diameter need >=72mm, just there is a kind of microwave mode and transmits microwave.
According to smoke substrate size, preferred microwave frequency is 2.45GHz.
[beneficial effect]
The beneficial effects of the present invention are: microwave heating of the present invention is not burnt, smoking set heating chamber inner conductor structure is simple, effective
Loss of the microwave in transmission process is reduced, the energy consumption of system is reduced.Since inner conductor exists, the thermal energy that microwave generates only is being sent out
It being generated inside tobacco matrix, heat is taken away by smoke matrix, does not remain on equipment, the problem of device housings overheat is avoided, this
Microwave is transmitted to smoke matrix by inner conductor in invention, and is gradually exported outward to penetrate matrix by internal, improves smoke base
The uniformity of matter heating, structure design prevent microwave from leakage, cause to murder to human body.
[Detailed description of the invention]
Fig. 1 is that microwave heating of the present invention is not burnt smoking set structural schematic diagram；
Fig. 2 is position view of the inner conductor in microwave heating chamber；
In figure:
1- power supply；2- control system；3- solid state microwave sources；4- inner conductor；5- heating chamber；6- smoke matrix.
[specific embodiment]
It will be better understood that the present invention by following embodiments.
Embodiment 1: microwave heating of the present invention is not burnt smoking set
The embodiment of the embodiment is as follows:
The microwave heating do not burn smoking set be by power supply 1, solid state microwave sources 3, control system 4, heating chamber 5 be located at heating
What intracavitary inner conductor 4 was constituted；The inner conductor is made of pure iron material, and shape is umbrella, 2 inner conductor independent flats
Row is fixed on heating chamber surrounding, and impedance is 40 Ω, and length is less than heating cavity length, use the microwave frequency of solid state microwave sources for
2.45GHz。
The present embodiment inner conductor is placed in microwave heating smoking set heating chamber, magnetic microwave heating is obtained and does not burn smoking set.
Embodiment 2: microwave heating of the present invention do not burn smoking set heating cavity inner conductor
The embodiment of the embodiment is identical as the embodiment of embodiment 1, and only the inner conductor is by fine copper material
Made of material, shape be it is needle-shaped, it is coaxial line that it, which independently is fixed on heating chamber center, and impedance is 35 Ω, and length is less than heating chamber
Length uses the microwave frequency of solid state microwave sources for 2.45GHz.
The present embodiment inner conductor is placed in microwave heating smoking set heating chamber, magnetic microwave heating is obtained and does not burn smoking set.
Embodiment 3: microwave heating of the present invention do not burn smoking set heating cavity inner conductor
The embodiment of the embodiment is identical as the embodiment of embodiment 1, and only the inner conductor is closed by copper aluminium
Made of golden material, shape is twisted shape, it, which is embedded in behind ceramics inside, is independently fixed on heating chamber center, is coaxial line, resistance
Resist for 38 Ω, length is less than heating cavity length, uses the microwave frequency of solid state microwave sources for 2.45GHz.
The present embodiment inner conductor is placed in microwave heating smoking set heating chamber, magnetic microwave heating is obtained and does not burn smoking set.
Embodiment 4: microwave heating of the present invention do not burn smoking set heating cavity inner conductor
The embodiment of the embodiment is identical as the embodiment of embodiment 1, and only the inner conductor is closed by copper and iron
Made of golden material, its shape be it is cylindric, be embedded in after inside glass and be independently fixed on heating chamber center, led for parallel 3
Line, impedance are 63 Ω, and length is less than heating cavity length, uses the microwave frequency of solid state microwave sources for 2.45GHz.
The present embodiment inner conductor is placed in microwave heating smoking set heating chamber, magnetic microwave heating is obtained and does not burn smoking set.
Embodiment 5: microwave heating of the present invention do not burn smoking set heating cavity inner conductor
The embodiment of the embodiment is identical as the embodiment of embodiment 1, and only the inner conductor is by aluminium alloy
Made of material, its shape is umbrella, is embedded in after inside glass and is independently fixed on heating chamber surrounding, is parallel flat wave
It leads, impedance is 52 Ω, and length is less than heating cavity length, uses the microwave frequency of solid state microwave sources for 2.45GHz.
The present embodiment inner conductor is placed in microwave heating smoking set heating chamber, magnetic microwave heating is obtained and does not burn smoking set.
Embodiment 6: microwave heating of the present invention do not burn smoking set heating cavity inner conductor
The embodiment of the embodiment is identical as the embodiment of embodiment 1, and only the inner conductor is by fine aluminium material
Made of material, its shape be it is needle-shaped, be embedded in after inside glass and be independently fixed on heating chamber center, be parallel flat waveguide,
Impedance is 48 Ω, and length is less than heating cavity length, uses the microwave frequency of solid state microwave sources for 2.45GHz.
The present embodiment inner conductor is placed in microwave heating smoking set heating chamber, magnetic microwave heating is obtained and does not burn smoking set.
Claims (10)
- The smoking set 1. a kind of microwave heating is not burnt, it includes power supply, it is characterised in that it is by power supply, solid state microwave sources, control System, heating chamber are constituted with the inner conductor being located in heating chamber, and microwave source is transmitted to insertion heating chamber from the inner conductor Smoke matrix, inner conductor carry out microwave transmission and realize heating of the microwave to smoke matrix.
- The smoking set 2. microwave heating according to claim 1 is not burnt, it is characterised in that the inner conductor for receive and Transmit microwave, when inner conductor and smoke matrix contact, smoke matrix absorption microwave energy make polar molecule in smoke matrix with Microwave electromagnetic field interactions makes polar molecule quick oscillation be converted into thermal energy, to reach heating cigarette.
- The smoking set 3. microwave heating according to claim 1 is not burnt, it is characterised in that the inner conductor is fixed on heating chamber Surrounding or in which the heart, or it is fixed on heating chamber surrounding and center simultaneously.
- The smoking set 4. microwave heating according to claim 1 is not burnt, it is characterised in that the inner conductor is in heating chamber It is arranged as parallel more conducting wires, coaxial line, parallel flat waveguide form or is embedded in heating cavity wall.
- The smoking set 5. microwave heating according to claim 1 is not burnt, it is characterised in that the inner conductor is by a kind of or more Made of material of the kind selected from copper, aluminium, iron or its alloy.
- The smoking set 6. microwave heating according to claim 1 is not burnt, it is characterised in that the inner conductor shape be aciculiform, Umbrella shape, twist shape or cylinder.
- A kind of smoking set 7. microwave heating according to claim 6 is not burnt, it is characterised in that placement side of the inner conductor Formula is placed in heating chamber center or heating cavity wall, and another modes of emplacement is to be embedded in non-conductive inorganic material pottery resistant to high temperature In porcelain or glass.
- The smoking set 8. microwave heating according to claim 6 is not burnt, it is characterised in that the impedance of the inner conductor is 30~ 70Ω。
- The smoking set 9. microwave heating according to claim 6 is not burnt, it is characterised in that the length of the inner conductor, which is less than, to be added The length of hot chamber.
- The smoking set 10. microwave heating according to claim 1 is not burnt, it is characterised in that the Microwave Frequency of the solid state microwave sources Rate is 915MHz and 2.45GHz.
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| CN201910530368.1A CN110279151A (en) | 2019-06-19 | 2019-06-19 | A kind of microwave heating is not burnt smoking set |
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| CN201910530368.1A CN110279151A (en) | 2019-06-19 | 2019-06-19 | A kind of microwave heating is not burnt smoking set |
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| CN110876493A (en) * | 2019-11-26 | 2020-03-13 | 深圳麦克韦尔科技有限公司 | Aerosol generating product, electronic atomization device and wave-absorbing phase change body preparation method |
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| CN110876492A (en) * | 2019-11-26 | 2020-03-13 | 深圳麦克韦尔科技有限公司 | Electronic atomization device |
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