The structure of heating non-burning electronic cigarette mainly is: a heating sheet, a control scheme board, lithium battery and an appearance structure.
We would introduce two points: the function of the e-cigarette program board and the design core of the heating non-burning solution board.
Function of the electronic cigarette program board
The function of the program board is like the brain and nervous system of the electronic cigarette. One hand, it has to ensure the safety of the electronic cigarette itself, on the other hand, it has to maximize the function of the electronic cigarette.
Therefore, there are three main points to do on the program board: to ensure the product is safe, to release smoke quickly, and to release a mild and full taste.
1. Ensure product safety
Firstly, the electronic cigarette products must ensure its safety. These are essential such as anti-reverse connection, short circuit protection, charge and discharge protection, over temperature protection, over current protection etc. In order to obtain better endurance, many companies use 18650 steel shell batteries. Therefore, the program board also needs to check the battery temperature for such products. If the battery exceeds the warning temperature, it will forcibly stop working to ensure the safety of the product.
2. Release smoke quickly
Rapid smoke release, which is usually called preheating, generally does not exceed 10 seconds.
For the normal heating element, it can reach the required temperature in 6-8 seconds. And the required temperature setting is constantly changing with the feedback of the market. It is from 285 ° C to 350 ° C. In this range, each manufacturer's setting is different. It will be set according to the taste of the professional engineer or the taste of the boss.
It is to note that the first smoke is very important. It is the first step of judging the quality of HNB products. In order to obtain large smoke and good taste in the first suck, an overshoot temperature is usually set. The temperature is about 30 °C higher than the set temperature control temperature. The cartridge can be heated quickly. After the overshoot is completed, the heat bomb is dropping to the control temperature and heat the cartridge continuously.
3. Release gentle and full taste
After the preheating is completed, the solution board will control the heating element to maintain a constant temperature. When it is judged that there is a suction action, the solution board will make a compensation action, so that the smoker can quickly obtain a large smoke.
In order to obtain rounded and saturated smoke, it is very important to set the temperature control and maintain this temperature. Too high temperature will has a burnt smell and too low temperature can not release the taste and smoke completely. Secondly, there must be a fast compensation rate. It requires the software to identify the pumping action accurately.
Keys of heating non-burning solution board design
The two cores of the heating non-combustion solution board design are temperature control and temperature correction.
1. Current temperature control technology analysis
For HNB products, stable, continuous and accurate temperature control is the core. The principle of temperature control is mainly to use a precision algorithm to control the temperature of the heating element through a single-chip microcomputer to achieve a constant heating temperature. At present, the temperature control accuracy on the market is generally ±5 °C, and some reaches ±2 °C. Polari company has made accuracy within ±1 °C after unremitting efforts and continued research.
At present, there are a few varieties of heated non-burning cartridges. The main cartridges are only IQOS, HEETS, and FIT. The optimum heating temperature of these three kinds of cartridges is about 15 °C difference respectively. For general smoker, 10 °C temperature difference brings little taste difference.
However, in the future, there will be a wide variety of cartridges as China Tobacco and other tobacco companies produce new cartridges. The requirements for e-cigarettes will be not only accurate temperature output, but also any temperature to be adjusted at any time and continue to work accurately at any temperature. Therefore, the temperature control accuracy of the heating element is very important for heating and non-burning products in the future.
2.Temperature correction equipment analysis
Due to the current low heating process and low cost requirements, the initial value of the heating element is not consistent. Therefore, the temperature of the heating element must be corrected before leaving the factory by the temperature calibration program to achieve the same heating temperature of all products.
At present, the commonly used temperature correction equipment is infrared thermometers in the market. It is intuitive and easy operated. However it also has some disadvantages. They are:
1.Time to correct temperature is long. Initially it needs about 2 minutes. Now it needs about 50 seconds.
2.It only can correct one e-cigarette equipment one time and can not do in volume.
3.Expensive: The most common equipment costs more than 7,000yuan. And many companies cost 50,000- 60,000yuan to buy it.
Venue: Guangdong Modern International Exhibition Center, Houjie, Dongguan
Date: August 29-31, 2019
China is an electronic cigarette processing center. More than 90% electronic cigarette enterprises are in southern China. The industrial geographical layout is very concentrated. In the six years from 2010 to 2016, the global e-cigarette market expanded by 17 times and the annual compound growth rate was as high as 60.5%. It is expected that the electronic cigarette industry will continue to maintain a high growth momentum in the future. In 2018, the global electronic cigarette (excluding heating and non-combustion) is estimated to have a production value of 16 billion US dollars. It is 1.3 times of 2017 and 7.6 times of 2012. In 2018, China e-cigarette export is estimated at 26 billion yuan. It is estimated that the global new tobacco scale will reach more than 30 billion US dollars in 2019. Therefore, this exhibition will show the entire industrial chain of e-cigar processing, and invite enterprises such as e-cigarette terminals, processing, equipment and raw materials to participate.
This e-cigarette processing exhibition will be jointly exhibited in the same period of the mobile phone processing industry chain to create a display platform for the integration of the two supply chains. At present, the e-cigarette market is hot and has great imagination. The manufacturing, research and development, and capital resources of the mobile phone industry chain are accelerating the transfer to e-cigarettes in order to share the e-cigarette development dividend. This is an excellent opportunity for mobile phone friends to discover and quickly connect to the e-cigarette quality supply chain resources. It is also a good time for e-cigarette purchasers and engineers to discover and learn new technologies from mobile phones!
The exhibition bring together many famous e-cigarette manufacturers such as SMOORE, SMOK, KIMREE, First union group, Joytech, Silmo, SIGELEI, Bodhi, IJOY, KINGSONG, Green Sound, tianchang group, KangerTech, Hangsen, Geekvape, Voopoo, Itsuwa, Aspire Innokin, smisstech, KingZone, greevaper Transpring, WINNING, Anker, Uwell,Sinovo, MASONVAP, mysmok, qisidianzi, Kamry and son on.
1. Electronic cigarette exhibition area: injection molding structural parts, die-casting parts, aluminum extrusion parts, CNC hardware parts, ceramic atomizing core, ceramic heating piece, ceramic cigarette holder, 3D glass electronic cigarette casing, oil guiding tube, silicone pad/ring, glass warehouse, Heating wire, battery, control board, sintering furnace equipment, ceramic molding equipment, injection molding equipment, high pressure molding equipment, laser equipment, CNC equipment and other processing equipment
2. mobile phone exhibition area: mobile phone plastic processing, mobile phone ceramic processing, mobile phone metal processing, mobile phone glass processing, powder metallurgy processing and wireless charging
863 booths, 400 exhibitors, 40,000 professional visitors; the world's top mobile terminal industry chain equipment, materials, consumables, solutions!
1. The 2nd Electronic Cigarette Processing Seminar
2. The 1st Mobile Electronic Cigarette Packaging Summit Forum
Double opening: 11,000/9 square meters
Single opening: 10,000/9 square meters.
How to choose the taste and concentration of e-cigarette oil?
Many people don't know how to choose the concentration and taste of e-cigarette oil after purchasing e-cigarettes. Some of them even often have nausea and vomiting because of the wrong choice of the taste and concentration of e-cigarette oil.
Today, I will give you a detailed introduction on how to choose the concentration and taste of e-cigarette oil.
Selection of smoke oil taste:
The taste of e-cigarettes are mainly divided into three series, tobacco flavor, fruit flavor and herbal. The experience of each taste is different. You can buy a sample to have a taste and buy a large bottle later. The taste depends on your favoutite.
Selection of smoke oil concentration:
At present, there are 7 kinds of concentrations of e-cigarette oil for your choice. They are 0mg, 11mg, 12mg, 16mg, 18mg, 24mg and 26mg. Among them, the 0mg one is the most suitable for smokers because our final purpose of having e-cigarettes is to replace real cigarettes. The 0mg oil does not have nicotine. It is also suitable for those non-smokers. For those who have a large smoke addiction, you are advised to use low-concentration smoke oil and change 0mg of smoke oil gradually .
It needs to be clear that the data of the nicotine content on the electronic cigarette outer packaging is not for the whole bottle volume, but the content of nicotine in 1ml of smoke oil. For example, if the packing shows, the content of nicotine: 6mg. then it means there are 6mg nicotine in 1ml smoky oil. If the volume of the oil is 30ml, the content of nicotine is 180mg. The nicotine content of a cigarette is 0.5 mg. And the nicotine content of a box of cigarettes is 10 mg. If a person smokes a box of cigarettes a day, the nicotine is 10 mg. If the smoker needs to smoke a box of cigarettes per day, he can choose the 5mg smoke oil. Then 2ml of electronic cigarette oil is enough. If there is not 5mg oil, then 6mg is also OK.
You also need to choose one base fluid for the E-cigarette oil, Generally glycerin and propylene glycol. Some people are allergic to propylene glycol, so avoid it when choosing.
It should be noted that the electronic cigarette should be stored in a cool place. The smoke liquid should be used in 30 days after open. There is not tar in the smoking liquid. You may feel thirsty after smoking. You can drink more water. In addition, if you want to have a stronger taste, you can dispel the smoking oil. Generally, the method is for new produced oil. For those oil that stored for a long time do not need to be dispelled. Dispel the effect of the smoking oil is exposing the e-cigar to the air to oxidize the oil by the air. Heating can make it faster.
In the previous article, we introduced six categories of e-cigarettes. Today let's talk about the electronic cigarette heating elements.
At present, the new tobacco products can be divided into four major categories: electronic cigarettes, heat not burning tobacco products, mouth-containing tobacco and other tobacco products (snip, patch, etc.).
These new tobacco products have three characteristics in common: no burning, with nicotine, and no tar. Among them, smoke-oil type electronic cigarettes and heat not burning tobacco products are the main products currently.
The taste quality of an e-cigarette mainly depends on its heating element + e-cigarette solution board + battery. Among them, the heating element can be considered as the “intel” of electronic cigarette.
Today let's look at the new tobacco's heating elements types (e-cigarettes and heat not burning).
Heat not burning(HNB)
The heating element of the HNB bakes the smoke bomb, smoke scraps or smoke paste with low temperature to achieve the effect of smoking the real smoke. In the market the main HNB brands are: Famous tobacco companies (PMI, Imperial Brands, British&American Tobacco, Japanese Tobacco, Korean Tobacco, and domestic tobacco companies); Private tobacco companies (KECIG, BUDDY, MOX, KOKEN, AVBAD, CIGRIG, QOQ, JOUZ, Gippro, Mysmok, IUOC, etc. Each product has its own unique features.
1.According to the substrate material
Zirconia Toughened Alumina Ceramic ZTA
It can be divided into single-sided and double-sided such as ZTA single-sided, ZrO2 single-sided, ZrO2 double-sided and so on.
2. According to the heating method
Internal heating: IQOS, LiL, Bodie
External heating: glo
Inside and outside independent heating: MOX
3. According to the shape
Heating cup: external (surrounding) heating - similar to GLO, IUOC, etc.;
Heating sheet: similar to IQOS, MC, Kung Fu, etc.;
Heating needle: similar to LiL, Bodie;
Needle & ring combination: similar to MOX-IOH;
Smoke oil type cigarette
The heating element of the small smoke is mainly to channel the smoke oil from the tank into the heating resistor. When the resistance is heated, the smoke can be evaporated and it can replace the real smoke. The electronic cigarette heating element assembly mainly has heating wire and oil guiding body. With the iterative evolution of the electronic cigarette product, the heating body structure has also undergone many updates. I will make a simple summary from the raw materials and processes for your reference.
1.Classified according to the raw materials
Heating wire: iron chrome aluminum, stainless steel, nickel chrome alloy, pure nickel, pure titanium;
Oil guide material: glass fiber rope, organic cotton, porous ceramics, metal;
The electronic cigarette heating materials mainly include: imported/national heating wire material Ni80/60/200, titanium wire, SS316L stainless steel wire, Kanthal heating wire. Porous ceramic materials are generally classified into alumina, diatomaceous earth, silicon carbide, silicon carbide, quartz sand, aluminosilicate, cordierite, and so on.
2. Classified according to the shape of ceramics
According to the shape of the ceramic structure during processing, it can be divided into cup type, column type and square type;
Cup shape ceramic heater
Column shape ceramic heater
Square ceramic heater
3. Classified according to processing
The cotton core heating oil guiding material is generally in DIY and disposable small cigarette winding. The process is relatively simple. The processing technology we mentioned here is mainly in metal and ceramic. If there is any omission, please contact us for supplement;
The development of porous ceramic atomizing core is a process in which ceramic materials and smoke oil are combined. In order to make every drop of smoke oil finely released, it is the contribution of ceramic porosity, the size distribution of pores on the microscopic surface, the specific surface area, and the relationship between the surface wettability of smoke oil and ceramic materials……
The molding process plays an important role in the process of the whole ceramic material. It is the key to ensure the performance reliability and production repeatability of ceramic materials and components.
Moulded plastic injection
This type of molding is similar to plastic molding. It is a new process of making ceramic parts by combining the polymer injection molding with the ceramic processing. It mainly produces small precision ceramic parts with complex shapes, precise dimensions or with inserts. It has high production efficiency. However, its feeding formula, mixing and mold development are difficult. The mold design and injection melt filling flow state directly affect the quality of the molded body. The earlier microporous ceramics were molded by injection molding. Heated the heating wires and ceramics, and the ceramic materials were fired around the heating wires.
Hot die casting
Hot die casting is to mix ceramic powder with binder (paraffin) at a high temperature (60~100 °C) to obtain slurry for hot die casting. The slurry is injected into the metal mold under the action of compressed air. After cooling, the wax blank is obtained by demoulding, and the wax blank is dewaxed under the protection of an inert powder to obtain a green body, and the green body is sintered at a high temperature to form a porcelain.
Dry pressing molding is a process in which a ceramic powder is pressed into a certain shape by pressure. Its essence is under the action of external force, the powder particles are close to each other in the mold, and are firmly combined by internal friction to maintain a certain shape. The metal paste thick film printing process is applied on the ceramic substrate, and a new type of heating element is formed by the ceramic surface coating. This process may be a development trend of the future microporous ceramic heating element.
The following types are mainly for metal mesh processing. The metal mesh densely bonds the conductive metal of copper and its oxide wires to the substrate to form a regular grid. Metal mesh is widely used in the field of touch panels, and its application in electronic cigarettes is also becoming popular. The heating element of IQOS mesh is a metal mesh. The grid uses a smaller resistance change than the conventional coil, and the resistance surface area is 11.7 mm. The companies that make metal grids are including Huachengda, Zhuolida, Xiaochuan Electronics, Huayujia, Zhidexing, Xinghuo Technology, Boxinsheng, Hagos Electronics, etc. The technology involved in metal grid is metal etching.
Etching is a technique in which a material is removed by chemical reaction or physical impact. Generally, the etching refers to photochemical etching. It removes the protective film of the region to be etched by exposure plate making and development. Then use the chemical solution to dissolve and corrode, thereby forming the effect of unevenness or hollowing.
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