CN106793188A - A kind of low-temperature heat smoking set and heating element heater based on thick-film heating technology - Google Patents
A kind of low-temperature heat smoking set and heating element heater based on thick-film heating technology Download PDFInfo
- Publication number
- CN106793188A CN106793188A CN201710058725.XA CN201710058725A CN106793188A CN 106793188 A CN106793188 A CN 106793188A CN 201710058725 A CN201710058725 A CN 201710058725A CN 106793188 A CN106793188 A CN 106793188A
- Authority
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- China
- Prior art keywords
- heating
- low
- temperature heat
- smoking set
- element heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0014—Devices wherein the heating current flows through particular resistances
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/03—Electrodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
Abstract
The invention provides a kind of low-temperature heat smoking set and heating element heater based on thick-film heating technology.Wherein, the heating element heater includes heating steel disc, and insulating coating is provided with the heating steel disc, there is adding thermal resistance on insulating coating, and insulating barrier is coated with the adding thermal resistance, and the two ends of the adding thermal resistance are separately provided for the welding electrode being connected with wire.The electrode is connected with battery and heating control module.The present invention can accelerate heating element heats speed by employing heating element heater of the heating steel disc as low-temperature heat smoking set, and heating steel disc heating efficiency is high, and the material for using is few, lighter than traditional fever tablet.
Description
Technical field
The present invention relates to tobacco product heating technique, more particularly to a kind of low-temperature heat smoking set based on thick-film heating technology
And heating element heater.
Background technology
Traditional cigarette product is sucked by lighting, and tobacco is burnt more than 600-800 degrees Celsius, and thousands of kinds can be produced to have
Evil material.And the low-temperature heat tobacco product that do not burn is one of novel tobacco product classification, it is different from traditional cigarette, with
" low-temperature heat is not burnt " is designed for thinking, and tobacco product can be made just to heat sufficiently to give out the degree of taste, without
Light.Under normal circumstances, the low-temperature heat tobacco product that do not burn is all that below 300 DEG C, harmful substance can be greatly reduced.
The low-temperature heat tobacco product that do not burn generally comprises the cigarette being rolled into special reconstituted tobacoo or pipe tobacco, Yi Jijia
Hot utensil.And heating utensil then includes battery, heating control module and heating element heater.
At present, the part low-temperature heat on the market heating element heater that tobacco product used that do not burn is generally ceramics
It is base material, the sheet tip heating plate being made up of printed resistor, because the grade ceramic heating flake intensity is poor, drop resistant ability
Weak, product is easily damaged consumer when in use.In addition, ceramic heater also has the shortcomings that heat conduction intensification is slow.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of low temperature based on thick-film heating technology
Heating smoking set and heating element heater, the heating elements intensity so as to make smoking set are improved, and firing rate is accelerated.
Technical scheme is as follows：
A kind of heating element heater of the low-temperature heat smoking set based on thick-film heating technology, including heating steel disc, the heating steel
Insulating coating is provided with piece, adding thermal resistance is provided with insulating coating, insulating barrier is coated with the adding thermal resistance, it is described to add
The two ends of thermal resistance are separately provided for the welding electrode being connected with wire.
In the heating element heater of the described low-temperature heat smoking set based on thick-film heating technology, it is sword sword that the heating steel disc is in
Shape, sophisticated column or tubular.
Mode of heating is inserted mode or surrounds mode.
In the heating element heater of the described low-temperature heat smoking set based on thick-film heating technology, the adding thermal resistance can by
Adding thermal resistance and insulating barrier are republished after coating insulating coating on single or double steel disc；Exist by the tight attached knot of high temperature sintering material
On heating steel disc, one layer of hard solid circuit layer is formed；High mechanical strength, anti-vibration, thermal shock resistance is strong, be not concerned about by
Scratch is scratched.
In the heating element heater of the described low-temperature heat smoking set based on thick-film heating technology, the low-temperature heat smoking set includes
Heating control module, the heating control module includes：Battery case, button, single-chip microcomputer and switching tube for installing battery；Institute
The positive pole for stating battery case connects the vdd terminal of single-chip microcomputer, and the button connects the P1.5/IN5 ends of single-chip microcomputer, the leakage of the switching tube
Pole connects the positive pole of battery case, the P2.5/PWM3 ends of the grid connection single-chip microcomputer of switching tube, the switching tube by adding thermal resistance
Source ground.
In the heating element heater of the described low-temperature heat smoking set based on thick-film heating technology, the heating control module is also wrapped
The resistance detection unit of the resistance for detecting adding thermal resistance is included, one end of the resistance detection unit connects the another of adding thermal resistance
One end, the other end of resistance detection unit connects the P1.0/IN1 ends of single-chip microcomputer.
In the heating element heater of the described low-temperature heat smoking set based on thick-film heating technology, the heating control module is also wrapped
Include the temperature sensor of the temperature for detecting heating element heater, one end ground connection of the temperature sensor, temperature sensor it is another
One end connects the P5.3/IN0 ends of single-chip microcomputer.
In the heating element heater of the described low-temperature heat smoking set based on thick-film heating technology, the heating control module is also wrapped
Include the airflow sensor device for detecting air-flow size, the positive pole of the airflow sensor device connection battery case and the 3.0/ of single-chip microcomputer
IN6 ends.
A kind of low-temperature heat smoking set based on thick-film heating technology, including low-temperature heat smoking set body, the low-temperature heat
The heating element heater of the low-temperature heat smoking set based on thick-film heating technology as described above is provided with smoking set body.
Beneficial effect：Low-temperature heat smoking set and heating element heater of the present invention based on thick-film heating technology.Wherein, the heating
Element includes heating steel disc, and insulating coating is provided with the heating steel disc, there is adding thermal resistance, the heating electricity on insulating coating
Insulating barrier is coated with resistance, the two ends of the adding thermal resistance are separately provided for the welding electrode being connected with wire.The electricity
Pole is connected with battery and heating control module.The present invention is by employing heating unit of the heating steel disc as low-temperature heat smoking set
Part, can accelerate heating element heats speed, and heating steel disc heating efficiency is high, and the material for using is few, lighter than traditional fever tablet
Just.
Brief description of the drawings
The structural representation of the heating element heater of the low-temperature heat smoking set based on thick-film heating technology that Fig. 1 is provided for the present invention
Figure.
The circuit of the heating control module of the low-temperature heat smoking set based on thick-film heating technology that Fig. 2 is provided for the present invention is former
Reason figure.
Specific embodiment
The present invention provides a kind of electric heating piece, to make the purpose of the present invention, technical scheme and effect clearer, clear and definite, with
It is lower that the present invention is described in more detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1, the heating element heater of the low-temperature heat smoking set based on thick-film heating technology that the present invention is provided are referred to, including is added
Hot steel disc 10, insulating coating (non-label in figure) is provided with the heating steel disc 10, and adding thermal resistance is provided with insulating coating
20, insulating barrier is coated with the adding thermal resistance 20, the two ends of the adding thermal resistance 20 are separately provided for connecting with wire 40
The welding electrode 30 for connecing.The welding electrode 30 is electrically connected by electric wire 40 with the heating control module of battery and low-temperature heat smoking set
Connect.
During specific implementation, the adding thermal resistance 20 is printing adding thermal resistance, can be coated by single or double steel disc
Adding thermal resistance and insulating barrier are republished after insulating coating；Using premium insulation material, (megohmite insulant is resistant to set the insulating barrier
2.5 times of high pressures of meter standard), such as multilayer devitrified glass, by the tight attached knot of high temperature sintering material on heating steel disc 10, form one
The hard solid circuit layer of layer.It has high mechanical strength, anti-vibration, thermal shock resistance strong, is not concerned about being scraped off and scratches；Plus
The material of hot steel disc 10 has heat endurance and corrosion resistance, does not produce dirt.
Wherein, the heating steel disc 10 is sword tooth shape, sophisticated column, tubular, flat or other geometries.Work as institute
When stating heating steel disc 10 for sword tooth shape, in order that heating steel disc 10 generates heat evenly, the adding thermal resistance 20 surrounds into sword tooth shape,
As shown in figure 1, the adding thermal resistance 20 is less than heating steel disc 10 around the sword tooth shape specification for being formed.However, heating steel disc 10
Tubbiness, cup-shaped etc., the invention is not limited in this regard can be arranged to according to use occasion.
In the present embodiment, the heating steel disc 10 using high-quality stainless steel (such as T304 stainless steels), with intensity it is big and
Dexterous the characteristics of.And, the material environment friendly such as the stainless steel, adding thermal resistance 20 and insulating barrier is nontoxic, without heavy metal, non-volatility
Property smell, more most important waterproof and dampproof, security is greatly improved.The thickness of the heating steel disc 10 is 1mm, compares traditional ceramics
Electric heating piece is light, and heating efficiency is high.When it is the shapes such as sophisticated column, tubular, flat to heat steel disc 10, its structure and
Position only needs it that heating is contacted with tobacco
Show by experiment：Electric heating piece of the invention is faster than the firing rate of traditional ceramics electric heating piece more than one times, experiment
Show that the water for burning one glass of 200ml is only needed to 15 seconds, be 1/3rd of time used by traditional fever tablet；Also, it is of the invention
Electric heating piece can reach 70-95% than traditional electric heating piece more energy-conservation, the thermal efficiency.And, the life-span of electric heating piece of the invention surpasses
Long, the burning voltage lower life-span was up to 100,000 hours.
The present invention uses screen printing technique, and dielectric (i.e. insulating coating), adding thermal resistance are printed in heating steel disc 10
20th, conductor (i.e. adding thermal resistance), protection glaze (i.e. insulating barrier) etc. material, are formed by high temperature sintering, with thermal effect is high, performance is steady
The fixed, clear superiority of safety durable.
Also referring to Fig. 2, the low-temperature heat smoking set also includes heating control module, the heating control module bag
Include：Battery case, button, single-chip microcomputer U1 and switching tube Q1 for installing battery；The switching tube Q1 is N metal-oxide-semiconductors, as N MOS
When the grid of pipe is high level, metal-oxide-semiconductor conducting.The button can use touch key-press or mechanical key.Single-chip microcomputer U1 uses type
Number it is：MINI54ZAN chips, or other have the chip of identical function, the invention is not limited in this regard.
Battery is provided with the battery case, positive pole (also can more be interpreted as the positive pole of the battery) connection of the battery case is single
The vdd terminal of piece machine U1, the P1.5/IN5 ends of the button connection single-chip microcomputer U1, the drain electrode of the switching tube Q1 passes through adding thermal resistance
The P2.5/PWM3 ends of the positive pole of 20 connection battery cases, the grid connection single-chip microcomputer U1 of switching tube Q1, the source electrode of the switching tube Q1
Ground connection.The other end of the adding thermal resistance 20 connects VDD.
In order to preferably control the temperature of adding thermal resistance 20, the heating control module also to include for detecting adding thermal resistance
The resistance detection unit of 20 resistance, the resistance detection unit can be using the resistance of Constant current source sense adding thermal resistance 20, and it is
Prior art, is not described further herein.Certainly, the present invention can also use other existing resistance metering systems, and the present invention is not to through
It is restricted.
One end of the resistance detection unit connects the other end of adding thermal resistance 20, the other end connection of resistance detection unit
The P1.0/IN1 ends of single-chip microcomputer U1, by carrying out analog-to-digital conversion inside single-chip microcomputer U1, according to the resistance of adding thermal resistance 20, control is single
The empty ratio of the point of the P2.5/PWM3 ends output pwm signal of piece machine U1, the electric current come in control input adding thermal resistance 20 is adjusted with this
The power output of adding thermal resistance 20 is saved, so as to control to heat the heating temp of steel disc 10.
The heating control module also includes the temperature sensor of the temperature for detecting heating steel disc 10, and the temperature is passed
One end connection ground of sensor, the P5.3/IN0 ends of the other end connection single-chip microcomputer U1 of temperature sensor.In the present embodiment, temperature is passed
Sensor can use negative temperature coefficient thermistor.The temperature value of temperature sensor collection turns through carrying out modulus inside single-chip microcomputer U1
After changing, single-chip microcomputer U1 controls the empty ratio of point of its P2.5/PWM3 ends output pwm signal according to temperature value, carrys out control input heating electricity
Electric current in resistance 20, the power output of adding thermal resistance 20 is adjusted with this, so as to control to heat the heating temp of steel disc 10.
The heating element heater of the low-temperature heat smoking set based on thick-film heating technology of the invention can be used in low-temperature heat smoking set
In product, in a further embodiment, the heating control module also includes the airflow sensor device for detecting air-flow size,
The positive pole of the airflow sensor device connection battery case and the P3.0/IN6 ends of single-chip microcomputer U1.User's smoking is detected by airflow sensor device
Air-flow size, carry out the empty ratio of point of the P2.5/PWM3 ends output pwm signal of control single chip computer U1, carry out control input adding thermal resistance
Electric current on 20, the power output of adding thermal resistance 20 is adjusted with this, so as to control to heat the heating temp of steel disc 10.
Based on the heating element heater of the above-mentioned low-temperature heat smoking set based on thick-film heating technology, the present invention correspondingly provides one
Low-temperature heat smoking set, including low-temperature heat smoking set body are planted, is provided with based on thick-film heating on the low-temperature heat smoking set body
The heating element heater of the low-temperature heat smoking set of technology.Due to being described in detail to the electric heating piece above, no longer go to live in the household of one's in-laws on getting married herein
State.
Below by taking low-temperature heat smoking set as an example, technical scheme is described in detail：
When button is pressed, i.e., when the P1.5/IN5 ends of single-chip microcomputer U1 detect high level, battery starts power supply, works as air-flow
When inductor sensing has the air-flow of smoking, the 3.0/IN6 ends of single-chip microcomputer U1 produce interruption, make the P2.5/PWM3 ends of single-chip microcomputer U1
The pwm signal of the default dutycycle of output, turns on switching tube Q1, and controls its output current, so that the output of adding thermal resistance 20
Power.Meanwhile, the resistance of the resistance detection unit real-time detection adding thermal resistance 20, temperature sensor real-time detection adding thermal resistance
20 temperature value, and single-chip microcomputer U1 is fed back to, the empty ratio of point that single-chip microcomputer U1 changes pwm signal according to actual needs adds to adjust
The power output of thermal resistance 20.
It should be noted that heating plate of the invention can be used not only for low-temperature heat smoking set product, it may also be used for small family
On electric product, for example：Electric heating kettle, electric iron, electric cooker, electric furnace Domestic electric kettle, electric coffee maker, electric heater, electricity hair
Plate etc..Meanwhile, the electric heating piece can be additionally used in industrial circle, such as injection machine heating, car, sealing joint strip curing line peculiar to vessel, vapour
Car electronics heater block, industrial heat interchanger etc..Additionally, the electric heating piece can be additionally used in metallurgy, chemical industry, drug and food processing,
The fields such as plantation cultivation insulation.
Compared with prior art, the invention has the advantages that：
1st, safety durable intensity is high：Using stainless steel substrate, the insulation of multilayer devitrified glass matter.
2nd, quick heating：Power density is up to 60W/cm2, and heating circuit rises above 80 degree each second.
3rd, heat utilization efficiency is high：Direct quick heating stainless steel plate, heat exchange area is big, displacement is fast, efficiency high up to 96% with
On.
4th, environmental protection：Pure resistor load electromagnetic-radiation-free, beneficial to physical and mental health.
It should be appreciated that application of the invention is not limited to above-mentioned citing, and for those of ordinary skills, can
To be improved according to the above description or converted, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Shield scope.
Claims (8)
1. a kind of heating element heater of the low-temperature heat smoking set based on thick-film heating technology, it is characterised in that including heating steel disc, institute
State and be provided with insulating coating on heating steel disc, adding thermal resistance is provided with insulating coating, insulation is coated with the adding thermal resistance
Layer, the two ends of the adding thermal resistance are separately provided for the welding electrode being connected with wire.
2. the heating element heater of the low-temperature heat smoking set based on thick-film heating technology according to claim 1, it is characterised in that
It is sword tooth shape, sophisticated column or tubular that the heating steel disc is in.
3. the heating element heater of the low-temperature heat smoking set based on thick-film heating technology according to claim 1, it is characterised in that
The adding thermal resistance can republish adding thermal resistance and insulating barrier after coating insulating coating on single or double steel disc；By
The tight attached knot of high temperature sintering material forms one layer of hard solid circuit layer on heating steel disc；High mechanical strength, anti-vibration resists
Thermal shock ability is strong, is not concerned about being scraped off and scratches.
4. the heating element heater of the low-temperature heat smoking set based on thick-film heating technology according to claim 1, it is characterised in that
The low-temperature heat smoking set includes heating control module, and the heating control module includes：For installing the battery case of battery, pressing
Key, single-chip microcomputer and switching tube；The positive pole of the battery case connects the vdd terminal of single-chip microcomputer, and the button connects the P1.5/ of single-chip microcomputer
IN5 ends, the drain electrode of the switching tube connects the positive pole of battery case, the grid of switching tube and connects single-chip microcomputer by adding thermal resistance
P2.5/PWM3 ends, the source ground of the switching tube.
5. the heating element heater of the low-temperature heat smoking set based on thick-film heating technology according to claim 4, it is characterised in that
The heating control module also includes the resistance detection unit of the resistance for detecting adding thermal resistance, the resistance detection unit
One end connects the other end of adding thermal resistance, and the other end of resistance detection unit connects the P1.0/IN1 ends of single-chip microcomputer.
6. the heating element heater of the low-temperature heat smoking set based on thick-film heating technology according to claim 4, it is characterised in that
The heating control module also includes the temperature sensor of the temperature for detecting heating element heater, one end of the temperature sensor
Ground connection, the other end of temperature sensor connects the P5.3/IN0 ends of single-chip microcomputer.
7. the heating element heater of the low-temperature heat smoking set based on thick-film heating technology according to claim 4, it is characterised in that
The heating control module also includes the airflow sensor device for detecting air-flow size, the airflow sensor device connection battery case
The 3.0/IN6 ends of positive pole and single-chip microcomputer.
8. a kind of low-temperature heat smoking set based on thick-film heating technology, including low-temperature heat smoking set body, it is characterised in that described
Set on low-temperature heat smoking set body just like the low-temperature heat based on thick-film heating technology described in claim 1-7 any one
The heating element heater of smoking set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710058725.XA CN106793188A (en) | 2017-01-23 | 2017-01-23 | A kind of low-temperature heat smoking set and heating element heater based on thick-film heating technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710058725.XA CN106793188A (en) | 2017-01-23 | 2017-01-23 | A kind of low-temperature heat smoking set and heating element heater based on thick-film heating technology |
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| Publication Number | Publication Date |
|---|---|
| CN106793188A true CN106793188A (en) | 2017-05-31 |
Family
ID=58942986
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710058725.XA Pending CN106793188A (en) | 2017-01-23 | 2017-01-23 | A kind of low-temperature heat smoking set and heating element heater based on thick-film heating technology |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108552597A (en) * | 2018-03-09 | 2018-09-21 | 达文金属制品有限公司 | A kind of heat generating device and electronic cigarette |
| CN108669665A (en) * | 2018-08-02 | 2018-10-19 | 东莞市东思电子技术有限公司 | A kind of stainless steel heater element and preparation method thereof heating low temperature cigarette of not burning |
| CN108851245A (en) * | 2018-08-02 | 2018-11-23 | 东莞市东思电子技术有限公司 | A kind of heating of built-in thermometric PTC is not burnt low temperature cigarette heater element and preparation method thereof |
| CN109001537A (en) * | 2018-10-10 | 2018-12-14 | 株洲利德英可电子科技有限公司 | A kind of device of determining thick-film heating element resistance value |
| CN109123806A (en) * | 2018-09-21 | 2019-01-04 | 深圳麦克韦尔股份有限公司 | Toast smoking set |
| CN109123804A (en) * | 2018-09-21 | 2019-01-04 | 深圳麦克韦尔股份有限公司 | Toast smoking set and its heating component |
| WO2019015381A1 (en) * | 2017-07-21 | 2019-01-24 | 威滔电子科技（深圳）有限公司 | Heating element |
| CN109587840A (en) * | 2018-05-21 | 2019-04-05 | 深圳市卓力能电子有限公司 | A kind of heating means and electronic cigarette heating element of electronic cigarette heating element |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019015381A1 (en) * | 2017-07-21 | 2019-01-24 | 威滔电子科技（深圳）有限公司 | Heating element |
| CN108552597A (en) * | 2018-03-09 | 2018-09-21 | 达文金属制品有限公司 | A kind of heat generating device and electronic cigarette |
| CN109587840A (en) * | 2018-05-21 | 2019-04-05 | 深圳市卓力能电子有限公司 | A kind of heating means and electronic cigarette heating element of electronic cigarette heating element |
| CN108669665A (en) * | 2018-08-02 | 2018-10-19 | 东莞市东思电子技术有限公司 | A kind of stainless steel heater element and preparation method thereof heating low temperature cigarette of not burning |
| CN108851245A (en) * | 2018-08-02 | 2018-11-23 | 东莞市东思电子技术有限公司 | A kind of heating of built-in thermometric PTC is not burnt low temperature cigarette heater element and preparation method thereof |
| CN108669665B (en) * | 2018-08-02 | 2023-11-03 | 东莞市东思电子技术有限公司 | Stainless steel heating element for heating non-burning low-temperature cigarettes and manufacturing method thereof |
| JP2022501008A (en) * | 2018-09-21 | 2022-01-06 | 深▲ゼン▼麦克韋尓科技有限公司Shenzhen Smoore Technology Limited | Heating type smoking equipment and its heating unit |
| CN109123804A (en) * | 2018-09-21 | 2019-01-04 | 深圳麦克韦尔股份有限公司 | Toast smoking set and its heating component |
| KR20210031687A (en) | 2018-09-21 | 2021-03-22 | 센젠 스무어 테크놀로지 리미티드 | Yellow species leaf tobacco tool and its heating assembly |
| CN109123806A (en) * | 2018-09-21 | 2019-01-04 | 深圳麦克韦尔股份有限公司 | Toast smoking set |
| JP7263405B2 (en) | 2018-09-21 | 2023-04-24 | 深▲せん▼麦克韋爾科技有限公司 | Heated smoking article and its heating unit |
| KR102643659B1 (en) * | 2018-09-21 | 2024-03-05 | 센젠 스무어 테크놀로지 리미티드 | Xanthoma leaf tobacco tool and heating assembly thereof |
| CN109001537A (en) * | 2018-10-10 | 2018-12-14 | 株洲利德英可电子科技有限公司 | A kind of device of determining thick-film heating element resistance value |
| CN109001537B (en) * | 2018-10-10 | 2023-12-26 | 株洲利德英可电子科技有限公司 | Device for determining resistance value of thick film heating element |
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