WO2020107910A1 - Nouvelle composition d'élément chauffant en céramique et préparation et utilisation d'élément chauffant l'utilisant - Google Patents

Nouvelle composition d'élément chauffant en céramique et préparation et utilisation d'élément chauffant l'utilisant Download PDF

Info

Publication number
WO2020107910A1
WO2020107910A1 PCT/CN2019/097568 CN2019097568W WO2020107910A1 WO 2020107910 A1 WO2020107910 A1 WO 2020107910A1 CN 2019097568 W CN2019097568 W CN 2019097568W WO 2020107910 A1 WO2020107910 A1 WO 2020107910A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating element
ceramic heating
nitride
resistance
heating
Prior art date
Application number
PCT/CN2019/097568
Other languages
English (en)
Chinese (zh)
Inventor
刘华臣
邓腾飞
李丹
Original Assignee
湖北中烟工业有限责任公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 湖北中烟工业有限责任公司 filed Critical 湖北中烟工业有限责任公司
Publication of WO2020107910A1 publication Critical patent/WO2020107910A1/fr

Links

Images

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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/70—Manufacture

Definitions

  • the invention relates to the field of functional ceramics, and more particularly, to a novel ceramic heating body composition for low-temperature smoke, and a method and application for preparing the heating body.
  • the ceramic heating body is an efficient heater with uniform heat distribution and excellent thermal conductivity, which can ensure that the hot surface temperature is uniform, thereby eliminating hot spots and cold spots of the equipment.
  • the ceramic heating body also has a long life, good thermal insulation performance, and mechanical Strong performance, corrosion resistance, magnetic field resistance and other advantages.
  • PTC ceramic heating element is a thermistor. It is composed of PTC ceramic heating element and aluminum tube. It has the advantages of small thermal resistance and high heat exchange efficiency. It is an automatic constant temperature and power saving electric heater.
  • MCH ceramic heating element uses alumina ceramic, which is a new type of high-efficiency, environmentally friendly and energy-saving ceramic heating element. Compared with PTC ceramic heating element, it can save 20-30% of electric energy under the same heating effect.
  • the MCH ceramic heating element uses a screen printing method to print the metal heating layer on the ceramic base layer, that is, high temperature refractory metal such as molybdenum tungsten
  • a series of special preparation processes are co-fired under a reducing atmosphere of 1400 °C to 1800 °C to obtain an efficient and energy-saving cermet heating element, which usually uses an aluminum oxide casting blank as the insulating layer
  • the prepared high-temperature metal thick film paste wiring is printed on one side of the blank, and then the upper and lower alumina ceramic substrates are laminated and sliced, and the leads are welded after high-temperature sintering in a hydrogen reduction furnace, thereby preparing MCH heating stuff.
  • Silicon carbon rod electric heating element is a kind of non-metal electric heating element which is made of silicon carbide as the main raw material, after a certain molding process, through high temperature sintering. The process of conversion of silicon carbide rods into electrical energy is essentially different from the heating of metal resistance wires. During the heating process of silicon carbon rod, its resistivity changes nonlinearly with temperature.
  • the resistivity decreases rapidly with the increase of temperature, and reaches the lowest value at 800°C. As the temperature further increases, the resistivity begins to increase, and the magnitude of the increase becomes higher and higher.
  • the maximum use temperature of silicon carbon rods cannot exceed 1450°C. If the use temperature exceeds this value, the silicon carbon rods will quickly age and the service life will be seriously affected.
  • the resistance value of the silicon carbon rod will increase slowly during use. When the resistance value increases to four times the resistance value at the beginning of use, the life of the silicon carbon rod ends.
  • the resistance of the silicon carbon rod is measured by using special electrical testing equipment to measure the high temperature resistance. It is not measured at room temperature. If a multimeter or other instrument is used for measurement, the error is very large, so the resistance value of the silicon carbon rod at a low temperature (20 °C) Uncertainty leads to uncertainty of normal temperature resistance.
  • the purpose of the present invention is to completely overcome the above-mentioned shortcomings in the prior art.
  • a product with high yield, fast heating, uniform heating A new type of ceramic heating element with low temperature resistance measurable, small error, and long service life of low-temperature use products completes the present invention.
  • the present invention provides a composition for preparing a novel ceramic heating element, wherein the composition for preparing a novel ceramic heating element comprises: a heating body material, a heating stabilizer and a binder .
  • the heating body material of the present invention includes at least one of carbide, nitride, molybdenum disilicide, etc.
  • the carbide includes titanium carbide, silicon carbide, tungsten carbide
  • the nitride includes titanium nitride, nitrogen Vanadium, zirconium nitride, tantalum nitride, manganese nitride, tungsten nitride, silicon nitride, boron nitride, copper nitride, zinc nitride, silver nitride, etc.
  • the heat stabilizer of the present invention includes graphene, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, yttrium, molybdenum, ruthenium, rhodium, palladium, silver, tungsten, gold, platinum, iridium, And at least one of the foregoing metal oxides, the foregoing metal alloys, and the like.
  • the adhesives described in the present invention are common adhesives, including esters, resins, fibers, alcohols and polyols. Specific examples include at least one of carboxymethyl cellulose, polyvinyl alcohol, ethyl cellulose, starch, water glass, and synthetic resin.
  • the heat generating host material accounts for 60%-99.9% of the composition, preferably 63%-98%, more preferably 65%-95%; the heat generating stabilizer accounts for 0.2%-35% of the composition , Preferably 0.5%-30%, more preferably 1%-25%; the binder accounts for 0.3%-30% of the composition, preferably 0.5%-25%, more preferably 1%-20%.
  • the novel ceramic heating component prepared by the optimized composition ratio has the advantages of good molding process, high product firing rate, high thermal conversion efficiency of the prepared product, and long product life.
  • the invention also discloses a novel ceramic heating component prepared by using the composition.
  • the novel ceramic heating component is mainly composed of a novel ceramic heating body and a heating body base.
  • the novel ceramic heating element of the present invention is mainly composed of two parts, including: the heating main body portion of the first part of the new ceramic heating element and the electrode portion of the second part of the new ceramic heating element, wherein the new type After the electrode part of the second part of the ceramic heating body is connected to the power source, the heating body part of the first part of the new ceramic heating body generates heat.
  • the temperature of the first part of the main body of the new-generation ceramic heating body for heating by current is relatively high.
  • the temperature of the heating body of the first part of the new ceramic heating body is heated to 220°C to about 500°C.
  • the temperature of the first part of the new ceramic heating body is from 250°C to about 340°C.
  • the structure of the new ceramic heating element according to the present invention includes any structural form that can be inserted into an aerosol medium.
  • the main body of the new ceramic heating element includes a heating base that generates heat by electricity, and its structure is Cylinder, elliptical cylinder, blade structure, prismatic structure, rectangular parallelepiped, etc.
  • the end of the new ceramic heating element inserted into the aerosol generating medium also includes a tip portion, which can be naturally extended from the heating substrate
  • the part can also be a separately manufactured part to solve the problem of easy insertion.
  • the heating base and the end of the novel ceramic heating body are connected together.
  • the size of the novel ceramic heating element can be selected according to the aerosol generating medium or the heating device.
  • the length of the new ceramic heating element is 5mm-60mm, preferably 8mm-45mm.
  • part of the heat of the end portion of the new ceramic heating element will generate a part of heat after passing current, which is used to heat the aerosol generating medium.
  • the length of the heating base of the new ceramic heating element is greater than the length of the end of the new ceramic heating element.
  • the novel ceramic heating body is directly used for heating, and its heating body includes at least one heating base part.
  • the heating body includes at least two heating bases, and at least one of the heating bases passes current. , For fever.
  • the gap between the heating substrates of the new ceramic heating body is filled with an insulating material or a sensor with a temperature sensing function, wherein the filling of the insulating material is preferred Ceramics, zirconia, aluminum nitride, glass, clay, boron nitride, silicon carbide, coated insulating metals or alloys, etc.
  • the new ceramic heating body is made of a material having a limited relationship between temperature and resistance, so that the new ceramic heating body can be used both for heating an aerosol-forming medium and It can be used to monitor the temperature of the heater in real time.
  • the electrode part of the second part of the new ceramic heating body is located at the other end of the new ceramic heating body.
  • the length of the new ceramic heating body is longer than the length of the electrode of the second part of the new ceramic heating body .
  • the heating body of the novel ceramic heating body is made of a composition including the following: a heating body material, a heating stabilizer and a binder.
  • the new ceramic heating element base has the function of fixing the new ceramic heating element, ensuring that the new ceramic heating element can be stably installed in the aerosol generating device.
  • the base of the new-type ceramic heating element is connected to the electrode of the new-type ceramic heating element through an electrical contact and has a power supply function.
  • the electrode of the second part of the new ceramic heating body can be used as an electrical contact with the base of the new ceramic heating body, and at the same time, the new ceramic heating body can be fixedly connected to the new ceramic heating body base Parts.
  • the base of the new ceramic heating element is made of a material with high temperature resistance and low thermal conductivity, which reduces the problems in the application of the new ceramic heating element in the product.
  • the selected material can withstand the high temperature heating of the new ceramic heating element.
  • the high temperature resistant materials include organic materials and inorganic materials, such as polyether ether ketone, high temperature resistant silica gel, polytetrafluoroethylene, ceramic materials, zirconia, aluminum nitride, silicon carbide, glass, etc.
  • the base portion of the new ceramic heating element is raised on the basis of smaller than the size of the base, and the raised portion has electrical contacts.
  • the specific size and structure are the same as the first portion of the new ceramic heating element
  • the size and structure of the heating body part are the same, or the size and structure of the convex part are different from those of the first part of the new type ceramic heating body.
  • the size of the convex part is selected according to the characteristics of the base material to ensure that the temperature of the base is not too high.
  • the present invention also provides a method for preparing the above ceramic heating element, wherein the method includes the following steps:
  • the semi-dry press method is used to form the sample into a target shape under a certain forming pressure.
  • the sample is first pressed slowly during the press forming process to discharge the air in the material;
  • the temperature is raised at a certain temperature increase rate, and heat preservation is fired in multiple temperature regions, and then sintered at 1600-2600°C to obtain a heating element.
  • the method for preparing the ceramic heating element includes the following steps:
  • the sample is made into the target shape under the molding pressure of 1KN-500KN.
  • the sample is first pressed slowly during the compression molding process to discharge the air in the material, and the pressure is maintained at the final pressure for 5s- 100s;
  • the welding time is 6h-24h
  • the welding temperature is 1200°C-1600°C.
  • the particle size of the heat generating host material and the heat generating stabilizer in the above step 1) and step 2) is 400-1200 mesh, and the preferred particle size is 500-1000 mesh.
  • the present invention also provides the use of the new ceramic heating element prepared according to the above-mentioned new ceramic heating element composition in heating non-burning cigarettes and electronic cigarettes using a solid smoking medium or a liquid smoking medium.
  • the novel ceramic heating element prepared according to the novel ceramic heating element composition of the present invention does not require a printed circuit and can be fired at one time.
  • the preparation process is simple, the heating is fast, the heating is uniform, the low temperature resistance is measurable and the stability is high, the error is small, and the finished product
  • the ceramic heating element with a high rate can effectively improve the heating efficiency and reliability and obtain a stable user experience when it is applied to heating non-burning cigarettes and electronic cigarettes using a solid smoking medium or a liquid smoking medium.
  • FIG. 3 is a view of another new type ceramic heating element of the present invention from the direction of the electrode;
  • FIG. 4 is a view of another novel ceramic heating element of the present invention from the direction of the electrode;
  • FIG. 5 is a schematic cross-sectional view of the novel ceramic heating component of the present invention.
  • FIG. 6 is a schematic cross-sectional view of a new type ceramic heating element of another structure of the present invention.
  • the present invention provides a new type of ceramic heating element, wherein the new type of ceramic heating element includes a first part and a second part, in particular the first part is a heating body part, and the second part is an electrode part.
  • the heat-generating body part of the novel ceramic heat-generating body according to the present invention is made of a composition including the following: a heat-generating body material, a heat-generating stabilizer and a binder.
  • Carbides and nitrides are some of the substances that have the characteristics of metals, such as high hardness, cutting and conductivity, such as titanium carbide, silicon carbide, tungsten carbide, titanium nitride, vanadium nitride, zirconium nitride, nitrogen Tantalum, manganese nitride, tungsten nitride, silicon nitride, boron nitride, copper nitride, zinc nitride, silver nitride, etc.
  • MoSi 2 is the highest silicon content in the Mo-Si binary alloy system
  • An intermediate phase is a Dalton-type intermetallic compound with a fixed composition.
  • the novel ceramic heating body composition of the present invention includes at least one kind of heating body material of carbide, nitride, molybdenum disilicide, etc.
  • the carbide includes titanium carbide, silicon carbide, tungsten carbide, and the nitride Including titanium nitride, vanadium nitride, zirconium nitride, tantalum nitride, manganese nitride, tungsten nitride, silicon nitride, boron nitride, copper nitride, zinc nitride, silver nitride, etc.
  • the percentage of the heating body material in the new ceramic heating body composition is 60% to 99.5%, preferably 63% to 98%, and more preferably 65% to 95%.
  • the novel ceramic heating element composition heating stabilizer of the present invention mainly includes graphene, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, yttrium, molybdenum, ruthenium, rhodium, palladium, silver, tungsten , Gold, platinum, iridium, and at least one of the foregoing metal oxides, the foregoing metal alloys, etc.
  • the heat stabilizer accounts for 0.2% of the new ceramic heating element composition 35%, preferably 0.5%-30%, more preferably 1%-25%.
  • the type and amount of the binder of the novel ceramic heating element composition of the present invention are not particularly limited, and may be the type and amount of binders common in the art.
  • the binders are esters, resins, fibers, alcohols, polyols and the like. Specifically, at least one of carboxymethyl cellulose, polyvinyl alcohol, ethyl cellulose, starch, water glass, synthetic resin, etc.
  • the binder accounts for 0.3% of the new ceramic heating element composition. 30%, preferably 0.5%-25%, more preferably 1%-20%.
  • the material of the electrode part of the new ceramic heating element is not particularly limited, and metals or non-metals with low conductivity that are common in the art, such as copper, zinc, nickel, chromium, gold, silver, platinum, and aluminum, can be used , Iron, cobalt, silicon, silicon carbide, and alloys of the foregoing metals.
  • welding there is no particular limitation on the "welding" process, and suitable means common in the art may be used, such as placing the fired heating body and the metal or non-metallic electrode part of low conductivity into a vacuum welding furnace for welding.
  • FIG. 1 is a schematic cross section of a novel ceramic heating element provided by the present invention.
  • the new ceramic heating element mainly includes a heating element end cap 1, a heating base 2, a heating element electrode 3, and a cavity in the heating element 4 four parts.
  • the heating element electrode 3 is connected to an external power source, and the external power source supplies power to the new ceramic heating element through the heating element electrode 3.
  • the material of the electrode portion of the new ceramic heating element is not particularly limited, and can be used in the art Common low conductivity metal or non-metal.
  • the heating element electrode 3 is composed of at least one of low conductivity metal and non-metal, such as copper, zinc, nickel, chromium, gold , Platinum, silver, aluminum, iron, cobalt, silicon, silicon carbide, and alloys of the foregoing metals, etc.
  • the electrode is made of copper, gold, silver, platinum, or the like.
  • the heating base 2 After the current passes through the current loop formed by the heating base 2 and the end cap 1 of the heating body, the heating base 2 will generate heat due to the passage of the current to achieve the purpose of heating.
  • the heat-generating body end cap 1 will also generate a part of heat after passing an electric current, which is used to heat the aerosol generating medium.
  • the heating temperature of the heating substrate 2 is from 220°C to about 500°C, preferably, the temperature of the heating substrate 2 is from 250°C to about 340°C.
  • FIG. 1 is a schematic cross section of a new type ceramic heating element.
  • the shape and structure of the new type ceramic heating element can be a cylinder, an elliptical body, a blade structure, a prismatic structure, a rectangular parallelepiped, etc.
  • the size of the ceramic heating element can be selected according to the aerosol generating medium or the heating device. In a preferred embodiment, the length of the new ceramic heating element is 5mm-60mm, preferably 8mm-45mm.
  • the length of the new ceramic heating base 2 is greater than the length of the end cap 1 of the new ceramic heating body, and the length of the new ceramic heating base 2 is greater than the length of the electrode 3 of the new ceramic heating body.
  • the novel ceramic heating base 2 is composed of at least two heating base parts, and at least one of the heating base parts passes current to generate heat.
  • Figures 2, 3 and 4 list different types of new ceramic heating elements from the direction of the electrode.
  • Figure 2 shows a cylindrical heating element.
  • the heating substrate is a two-equal distribution heating substrate.
  • the basic structure is The two-part heat distribution base 8 and the two-part heat distribution cavity 9 consist of a cylindrical heating body.
  • the heating base is a four-part heat distribution base.
  • the basic structure consists of a four-part heating base 10 and
  • the quadrant-type heating body cavity 11 is composed of a cylindrical two-part heat distributing heat matrix as shown in FIG. 4, and the basic structure is composed of a two-part heat distributing base 12 and a two-body heat distributing cavity 13.
  • the cavity 4 in the heating body is left between the novel ceramic heating substrate 2, or the cavity 4 in the heating body is filled with an insulating material, or the cavity 4 in the heating body is filled with a sensor having a temperature sensing function, in a preferred embodiment
  • the filled insulating material is at least one of ceramic, zirconia, aluminum nitride, glass, clay, boron nitride, silicon carbide, coated insulating metal or alloy.
  • the new ceramic heating base 2 is made of a material having a limited relationship between temperature and resistance, so that the new ceramic heating body can be used not only for heating an aerosol-forming medium but also for real-time monitoring of the temperature of the heating body .
  • the novel ceramic heating substrate 2 is prepared by a composition composed of a heating body material, a heating stabilizer and a binder.
  • the host material includes at least one of carbide, nitride, molybdenum disilicide, etc.
  • the carbide includes titanium carbide, silicon carbide, tungsten carbide
  • the nitride includes titanium nitride, vanadium nitride, zirconium nitride , Tantalum nitride, manganese nitride, tungsten nitride, silicon nitride, boron nitride, copper nitride, zinc nitride, silver nitride, etc.
  • Heat stabilizers include graphene, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, yttrium, molybdenum, ruthenium, rhodium, palladium, silver, tungsten, gold, platinum, iridium, and the foregoing metal oxides , At least one of the aforementioned metal alloys.
  • Binders are common binders, including esters, resins, fibers, alcohols and polyols. Specific examples include at least one of carboxymethyl cellulose, polyvinyl alcohol, ethyl cellulose, starch, water glass, and synthetic resin.
  • the heating body material accounts for 60%-99.5% of the new ceramic heating body composition, the heating stabilizer accounts for 0.2%-35% of the new ceramic heating body composition, and the binder The percentage of the new ceramic heating element composition is 0.3%-30%.
  • the novel ceramic heating body end cap 1 and the heating base body 2 can be made of the same material or different materials.
  • FIG. 5 is a schematic cross-sectional view of a new ceramic heating element with a new ceramic heating element base according to the present invention, which is mainly composed of a heating element end 1, a heating base 2, a heating element electrode 3, a heating body cavity 4 and a heating element base 5 It is composed of electrode lead hole 6 and other parts.
  • the heating element base is composed of heating element base 5, electrode point (heating element electrode 3 fixed point) and electrode lead hole 6, etc. It has the function of fixing new ceramic heating element to ensure The new ceramic heating element can be stably installed in the aerosol generating device.
  • the heating element base is connected to the heating element electrode through electrical contacts and has a power supply function.
  • the heating element electrode 3 can be used as an electrical contact to connect with the heating element base 5, and at the same time, it can also be a component that connects the new type ceramic heating element to the heating element base.
  • the cavity 4 of the heating body may not be filled with any substance, or the cavity 4 of the heating body is filled with an insulating material, or the cavity 4 of the heating body is filled with a sensor having a temperature sensing function.
  • the insulating material is preferably at least one of ceramics, zirconia, aluminum nitride, glass, clay, boron nitride, silicon carbide, coated insulating metal, or alloy.
  • the heating element base 5 is made of a material with high temperature resistance and low thermal conductivity, which reduces the problems of the application of the new ceramic heating element in subsequent products.
  • the selected materials can withstand the high temperature heating of the new ceramic heating element and pass through the battery. The heat transferred from the connection.
  • the high temperature resistant materials include organic materials and inorganic materials, such as polyetheretherketone, high temperature resistant silica gel, polytetrafluoroethylene, ceramic materials, zirconia, aluminum nitride, silicon carbide, glass, etc. Or, the material is the same as that of the new ceramic heating element.
  • FIG. 6 shows that the convex heating element base 7 replaces the conventional heating element base 5, and this type of base has a heating element base protrusion 14 whose size is smaller than that of the convex heating element base 7.
  • the convex heating element base 7 has electrical contacts, the specific size and structure are the same as those of the heating element electrode 3, or the convex heating element base 7 is different from the new type ceramic heating element composed of the heating base 2 in size and structure Body size and structure.
  • the height of the base 7 of the convex heating element is selected according to the characteristics of the base material to ensure that the temperature of the base is not too high, and the selected material may be the same as or different from the material of the heating element.
  • the semi-dry press method is used to form the sample into the target shape at a molding pressure of 100KN.
  • the sample is first slowly pressed during the press molding process to discharge the air in the material and maintain the pressure for 60 seconds at the final pressure;
  • Example 1 pure titanium carbide is used as the main heating material, no heating stabilizer is added, the binder and the like are in accordance with the ratio of Example 1, and the preparation method and steps are carried out as in Example 1. The same test was performed in Example 1 and compared.
  • Example 2 It can be seen from Table 2 that the average deviation rate of Example 1 is only 2.02, and the average deviation rate of the control reaches 9.27, which is 4.59 times that of Example 1, indicating that after adding a heating stabilizer to the new ceramic heating element, the product resistance The stability is significantly improved, and the resistance value is significantly reduced, which can meet the requirements of high-power heating.
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic After the low-temperature resistance of the heating element becomes twice the initial resistance, the experiment is terminated, and the number of cycles at this time is the life of the product. See Table 3 for details.
  • the average limit thermal cycle test number of the control when half the resistance value is twice the initial resistance is 2018, and the average limit thermal cycle test number of Example 1 is 3021 times, which is 1.5 times, which means that after adding a new ceramic heating element and adding a heating stabilizer, the number of times the product withstands thermal shock is significantly increased, and the life of the new ceramic heating element can be significantly improved.
  • the preparation process and step implementation steps of the new ceramic heating element are prepared in accordance with step 1)-step 7 in Example 1.
  • the specific heating body materials, heating stabilizer and binder components and proportions are shown in Table 4 below:
  • Heating body material Fever stabilizer Binder Substance name Silicon carbide titanium Carboxymethyl cellulose Component ratio (%) 85 10 5
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic After the low-temperature resistance of the heating element becomes twice the initial resistance, the experiment is terminated, and the number of cycles at this time is the life of the product. See Table 7 for details.
  • the preparation process and step implementation steps of the new ceramic heating element are prepared according to step 1) to step 7) in Example 1.
  • the specific heating body materials, heating stabilizer and binder components and proportions are shown in Table 8 below:
  • Heating body material Fever stabilizer Binder Substance name Tungsten carbide vanadium Carboxymethyl cellulose Component ratio (%) 99.5 0.2 0.3
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic
  • the experiment is terminated, and the number of cycles at this time is the life of the product. See Table 11 for details. It can be seen from Table 11 that in the control, the average limit thermal cycle test number after the half resistance value is twice the initial resistance is 2067, and the average limit thermal cycle test number of the sample in this implementation is 3029 times, which is in this example. 1.47 times, which shows that after adding a new ceramic heating element and adding a heating stabilizer, the number of times the product withstands thermal shock is significantly increased, and the life of the new ceramic heating element can be significantly improved.
  • the preparation process and step implementation steps of the new ceramic heating element are prepared according to step 1) to step 7) in Example 1.
  • the specific heating body materials, heating stabilizer and binder components and proportions are shown in Table 12 below:
  • Heating body material Fever stabilizer Binder Substance name Titanium nitride chromium Polyvinyl alcohol Component ratio (%) 88 7 5
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic
  • the experiment is terminated, and the number of cycles at this time is the life of the product. See Table 15 for details. It can be seen from Table 15 that in the control, when the half resistance value is twice the initial resistance, the average limit thermal cycle test number is 1788 times, and the average limit thermal cycle test number of the sample in this implementation is 2527 times, which is in this example. 1.41 times, which shows that after adding a new ceramic heating element and adding a heating stabilizer, the number of times the product withstands thermal shock is significantly increased, and the life of the new ceramic heating element can be significantly improved.
  • the preparation process and step implementation steps of the new ceramic heating element are prepared according to step 1) to step 7) in Example 1.
  • the specific heating body materials, heating stabilizer and binder components and proportions are shown in Table 16 below:
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic
  • the experiment is terminated, and the number of cycles at this time is the life of the product. See Table 19 for details. It can be seen from Table 19 that in the control, the average limit thermal cycle test number after the half resistance value is twice the initial resistance is 1811 times, and the average limit thermal cycle test number of the sample in this implementation is 2557 times, which is in this example. 1.41 times, which shows that after adding a new ceramic heating element and adding a heating stabilizer, the number of times the product withstands thermal shock is significantly increased, and the life of the new ceramic heating element can be significantly improved.
  • the preparation process and step implementation steps of the new ceramic heating element are prepared according to step 1) to step 7) in Example 1.
  • the specific heating body materials, heating stabilizer and binder components and proportions are shown in Table 20 below:
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic
  • the experiment is terminated, and the number of cycles at this time is the life of the product. See Table 23 for details. From Table 23, it can be seen that the average limit thermal cycle test number of the control after half the resistance value is twice the initial resistance is 1879 times, and the average limit thermal cycle test number of the sample in this implementation is 2770 times, which is in this example. 1.47 times, which shows that after adding a new ceramic heating element and adding a heating stabilizer, the number of times the product withstands thermal shock is significantly increased, and the life of the new ceramic heating element can be significantly improved.
  • the preparation process and step implementation steps of the new ceramic heating element are prepared according to step 1) to step 7) in Example 1.
  • the specific heating body materials, heating stabilizer and binder components and proportions are shown in Table 24 below:
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic After the low-temperature resistance of the heating element becomes twice the initial resistance, the experiment is terminated, and the number of cycles at this time is the life of the product. See Table 27 for details.
  • the average limit thermal cycle test number after the half resistance value is twice the initial resistance in the control is 1617 times
  • the average limit thermal cycle test number of the sample in this implementation is 2606 times, which is 1.61 times, which shows that after adding a new ceramic heating element and adding a heating stabilizer, the number of times the product withstands thermal shock is significantly increased, and the life of the new ceramic heating element can be significantly improved.
  • step 1)-step 7) The preparation process and step implementation steps of the new ceramic heating element are prepared according to step 1)-step 7) in Example 1, the specific heating main material, heating stabilizer and binder components and proportions are shown in Table 28 below:
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic After the low-temperature resistance of the heating element becomes twice the initial resistance, the experiment is terminated, and the number of cycles at this time is the life of the product. See Table 31 for details.
  • the average limit thermal cycle test number of the control after half the resistance value is twice the initial resistance is 1544 times
  • the average limit thermal cycle test number of the sample in this implementation is 2692 times, which is 1.74 times, which shows that after adding a new ceramic heating element and adding a heating stabilizer, the number of times the product withstands thermal shock is significantly increased, and the life of the new ceramic heating element can be significantly improved.
  • the preparation process and step implementation steps of the new ceramic heating element are prepared according to step 1) to step 7) in Example 1.
  • the specific heating body materials, heating stabilizer and binder components and proportions are shown in Table 32 below:
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic After the low-temperature resistance of the heating element becomes twice the initial resistance, the experiment is terminated, and the number of cycles at this time is the life of the product. See Table 35 for details.
  • the preparation process and implementation steps of the new ceramic heating element are prepared in accordance with steps 1) to 7) in Example 1.
  • the specific heating body materials, heating stabilizers and binder components and proportions are shown in Table 36 below:
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic After the low-temperature resistance of the heating element becomes twice the initial resistance, the experiment is terminated, and the number of cycles at this time is the life of the product. See Table 39 for details.
  • the average limit thermal cycle test times after half the resistance value is twice the initial resistance in the control is 1765 times
  • the average limit thermal cycle test times of the sample in this implementation is 2807 times, which is 1.59 times, indicating that after adding a new ceramic heating element and adding a heating stabilizer, the number of times the product withstands thermal shock is significantly increased, and the life of the new ceramic heating element can be significantly improved.
  • the preparation process and implementation steps of the new ceramic heating element are prepared in accordance with steps 1) to 7) in Example 1.
  • the specific heating body materials, heating stabilizers and binder components and proportions are shown in Table 40 below:
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the preparation process and step implementation steps of the new ceramic heating element are prepared according to step 1) to step 7) in Example 1.
  • the specific heating body materials, heating stabilizer and binder components and proportions are shown in Table 44 below:
  • the performance of the prepared new ceramic heating body was tested, and the finished product was connected to a power source below 380v to detect the uniformity of heat generation.
  • the experimental structure showed that the five batches of new ceramic heating body heat faster and more uniformly than the control.
  • the thermal cycle test of the new type ceramic heating element the product limit thermal cycle test from room temperature to 1600 °C, each batch test 100 products, with the number of tests marked with N, after N cycles, more than half of the new ceramic
  • the experiment is terminated, and the number of cycles at this time is the life of the product, as shown in Table 47.
  • Table 47 it can be seen that the average limit thermal cycle test number of the control after half the resistance value is 2 times the initial resistance is 1764 times, and the average limit thermal cycle test number of the sample in this implementation is 2820 times, which is in this example. 1.60 times, which shows that after adding a new ceramic heating element and adding a heating stabilizer, the number of times the product withstands thermal shock is significantly increased, and the life of the new ceramic heating element can be significantly improved.
  • the defective rate of products is significantly reduced, the average resistance and the average deviation of resistance between multiple batches are significantly reduced, the product heats up quickly and uniformly, and the product withstands thermal shock Significantly increased the number of times, can significantly increase the life of the new ceramic heating element.

Landscapes

  • Resistance Heating (AREA)

Abstract

La présente invention concerne une nouvelle composition d'élément chauffant en céramique et un procédé de préparation de celui-ci. La nouvelle composition d'élément chauffant en céramique est principalement composée d'un matériau de corps principal de chauffage, d'un stabilisateur de chauffage et d'un liant, le matériau de corps principal de chauffage étant choisi parmi au moins un carbure, un nitrure et un disiliciure de molybdène et le stabilisateur de chauffage étant au moins un graphène, un métal, un alliage ou un oxyde métallique. L'invention concerne en outre un nouveau composant de chauffage en céramique fabriqué à l'aide de la nouvelle composition d'élément chauffant en céramique, l'ensemble comprenant un nouvel élément chauffant en céramique et une nouvelle base (5) d'élément chauffant en céramique, le nouvel élément chauffant en céramique étant installé sur la nouvelle base (5) d'élément chauffant en céramique et le nouvel élément chauffant en céramique comprenant un corps chauffant et une électrode (3). Le procédé fournit l'utilisation du nouveau composant chauffant en céramique dans une cigarette sans combustion ou une cigarette électronique. Le nouvel élément chauffant en céramique préparé est caractérisé par un chauffage rapide, un travail stable, un faible écart, une longue durée de vie de produit, un processus de préparation simple, un rendement élevé, etc.
PCT/CN2019/097568 2018-11-29 2019-07-24 Nouvelle composition d'élément chauffant en céramique et préparation et utilisation d'élément chauffant l'utilisant WO2020107910A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811443587.8A CN111246601B (zh) 2018-11-29 2018-11-29 一种新型陶瓷发热体的组合物及其发热体制备和应用
CN201811443587.8 2018-11-29

Publications (1)

Publication Number Publication Date
WO2020107910A1 true WO2020107910A1 (fr) 2020-06-04

Family

ID=70851901

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/097568 WO2020107910A1 (fr) 2018-11-29 2019-07-24 Nouvelle composition d'élément chauffant en céramique et préparation et utilisation d'élément chauffant l'utilisant

Country Status (2)

Country Link
CN (1) CN111246601B (fr)
WO (1) WO2020107910A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112261742A (zh) * 2020-11-11 2021-01-22 德阳烯碳科技有限公司 一种厚膜电阻浆料、氧化铝陶瓷基发热片及制备方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113170926A (zh) * 2020-07-24 2021-07-27 深圳市卓力能技术有限公司 整体导电的气溶胶产生基质发热体及其制备工艺与应用
CN114246373A (zh) * 2020-09-23 2022-03-29 深圳麦克韦尔科技有限公司 发热组件及气溶胶形成装置
CN113171735A (zh) * 2020-12-01 2021-07-27 深圳市卓力能技术有限公司 一种气溶胶发生装置
CN113171734B (zh) * 2020-12-01 2023-11-14 深圳市卓力能技术有限公司 一种发热组件及其组装方法、气溶胶发生装置
CN113179559A (zh) * 2020-12-01 2021-07-27 深圳市卓力能技术有限公司 一种发热体及其制备方法、发热组件及气溶胶发生装置
CN113582186A (zh) * 2021-09-06 2021-11-02 湖北中烟工业有限责任公司 一种发热元件及其制备方法
CN113841936A (zh) * 2021-11-08 2021-12-28 深圳市德镒盟电子有限公司 一种插入式电子烟导电陶瓷雾化芯及制备方法
CN114176263A (zh) * 2021-11-09 2022-03-15 深圳麦克韦尔科技有限公司 发热组件、发热组件的制备方法及电子雾化装置
CN114713816A (zh) * 2022-04-29 2022-07-08 北京斯年智驾科技有限公司 石墨烯陶瓷发热材料

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010010310A1 (en) * 2000-01-13 2001-08-02 Masuhiro Natsuhara Ceramic heater
CN1453799A (zh) * 2003-06-03 2003-11-05 段曦东 复合导电陶瓷及其制备方法
CN1490376A (zh) * 2003-09-01 2004-04-21 王培英 半导瓷厚膜发热材料
CN106714342A (zh) * 2017-01-11 2017-05-24 湖北中烟工业有限责任公司 一种电加热卷烟针式加热器及其制备方法
CN108495386A (zh) * 2018-04-13 2018-09-04 湖北中烟工业有限责任公司 一种用于电加热卷烟的加热器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10932493B2 (en) * 2014-04-23 2021-03-02 Fontem Holdings 1 B.V. Electronic cigarette with coil-less atomizer
CN104370554B (zh) * 2014-10-22 2016-09-07 华文蔚 一种氮化硅复合陶瓷发热体材料及其制备方法
CN204837995U (zh) * 2015-06-17 2015-12-09 李辉 发热组件及烘焙烟油雾化混合加热烟具
CN105795523B (zh) * 2016-05-06 2019-06-14 卓尔悦欧洲控股有限公司 陶瓷发热体、制作方法及应用该陶瓷发热体的电子烟
CN106376107B (zh) * 2016-11-24 2020-03-20 常德科锐新材料科技有限公司 大功率氮化硅陶瓷加热片及其内软外硬的制作方法
CN106966733B (zh) * 2017-03-31 2020-08-11 顼吉君 一种微波碳化硅陶瓷发热体及其制备方法
CN108567175A (zh) * 2017-09-04 2018-09-25 赫斯提亚深圳生物科技有限公司 气溶胶生成装置及系统
CN108887744A (zh) * 2018-08-06 2018-11-27 云南中烟工业有限责任公司 一种新型卷烟复合发热元件
CN108835716A (zh) * 2018-08-07 2018-11-20 湖北中烟工业有限责任公司 一种应用于低温卷烟的加热器及其制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010010310A1 (en) * 2000-01-13 2001-08-02 Masuhiro Natsuhara Ceramic heater
CN1453799A (zh) * 2003-06-03 2003-11-05 段曦东 复合导电陶瓷及其制备方法
CN1490376A (zh) * 2003-09-01 2004-04-21 王培英 半导瓷厚膜发热材料
CN106714342A (zh) * 2017-01-11 2017-05-24 湖北中烟工业有限责任公司 一种电加热卷烟针式加热器及其制备方法
CN108495386A (zh) * 2018-04-13 2018-09-04 湖北中烟工业有限责任公司 一种用于电加热卷烟的加热器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112261742A (zh) * 2020-11-11 2021-01-22 德阳烯碳科技有限公司 一种厚膜电阻浆料、氧化铝陶瓷基发热片及制备方法

Also Published As

Publication number Publication date
CN111246601B (zh) 2023-04-25
CN111246601A (zh) 2020-06-05

Similar Documents

Publication Publication Date Title
WO2020107910A1 (fr) Nouvelle composition d'élément chauffant en céramique et préparation et utilisation d'élément chauffant l'utilisant
CN209788480U (zh) 烟支加热组件及电加热吸烟装置
CN109288140A (zh) 一种电子烟用多孔陶瓷发热体及其制备方法
CN110200331A (zh) 一种电子烟加热器
WO2020238607A1 (fr) Élément d'atomisation et cigarette électronique
CN109953380A (zh) 一种加热不燃烧用加热棒和制作方法以及一种电子烟
CN205017608U (zh) 一种功能膜陶瓷电阻电加热元件
CN110074469A (zh) 多孔陶瓷发热元件及其制造方法
WO2023083016A1 (fr) Ensemble de chauffage, procédé de préparation pour ensemble de chauffage, et appareil d'atomisation électronique
KR200448882Y1 (ko) 페이스트 조성물을 이용한 히터
CN109600867A (zh) 一种陶瓷加热元件以及包括该陶瓷加热元件的装置
CN104936319B (zh) 一种陶瓷加热片及其制备方法
CN204334973U (zh) 一种电子烟用加热体
WO2023029465A1 (fr) Élément chauffant et sa méthode de préparation
WO2023168980A1 (fr) Dispositif de formation d'aérosol et son ensemble de chauffage
KR20210022724A (ko) 세라믹 발열체, 및 이의 제조 방법 및 용도
CN110183225A (zh) 一种电子烟陶瓷发热片及其制造方法
CN211431087U (zh) 一种电子烟用陶瓷加热体
WO2020244682A1 (fr) Élément chauffant et dispositif d'atomisation
CN109206136A (zh) 一种耐高压陶瓷发热体的制备方法
CN210407104U (zh) 一种加热不燃烧用加热棒
CN211065053U (zh) 一种电子烟加热器
JP2002146465A (ja) 金属抵抗体及びこの金属抵抗体を有するヒータ並びにガスセンサ
JP3162324B2 (ja) セラミックヒータ及び酸素センサ
WO2021018263A1 (fr) Corps chauffant en céramique à base d'éléments à sous-groupes multiples et son procédé de préparation et son application

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19888626

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19888626

Country of ref document: EP

Kind code of ref document: A1