技术领域technical field
本实用新型涉及电子烟具技术领域，特别是涉及电子烟具发热器技术领域。The utility model relates to the technical field of electronic cigarettes, in particular to the technical field of heaters for electronic cigarettes.
背景技术Background technique
目前市场中电子烟具多采用镍铬材料或钛合金等合金材料所制作的发热丝、发热膜等发热器件；采用这些发热器件的电子烟具均是对烟油、烟膏等业态或半固体进行加热、雾化，发热丝或发热膜均为柔性发热器件，缺乏刚性，而且不易安装温度传感器，难以实现对加热温度的闭环控制，不适合新型低温卷烟烟具对发热器件的要求。At present, electronic smoking sets in the market mostly use heating elements such as heating wires and heating films made of alloy materials such as nickel-chromium materials or titanium alloys; electronic smoking sets using these heating elements are used to heat e-liquid, smoke paste, etc. or semi-solid , Atomization, heating wire or heating film are all flexible heating devices, lack of rigidity, and it is difficult to install a temperature sensor, it is difficult to realize closed-loop control of heating temperature, and it is not suitable for the requirements of new low-temperature cigarette smoking appliances for heating devices.
新型低温卷烟烟具是针对新型烟草制品进行低温加热，而非对烟草制品进行燃烧而到达与抽吸被点燃的传统香烟相同口感的电子烟具，新型低温卷烟烟具通过对烟草制品的低温加热可避免由于烟草燃烧、裂解过程而带来的大量有害物质。由于新型低温卷烟烟具所加热的对象为固态的烟草制品，因此亟需一种具有一定刚度能够刺入到固态烟草制品芯部而进行加热发热器件，同时该发热器件又需含有温度传感器以便实现对温度的闭环控制。The new low-temperature cigarette smoking set is an electronic smoking set that uses low-temperature heating for new tobacco products instead of burning tobacco products to achieve the same taste as smoking and lighting traditional cigarettes. A large number of harmful substances brought by the burning and cracking process of tobacco. Since the object heated by the new low-temperature cigarette smoking appliance is a solid tobacco product, there is an urgent need for a heating device with a certain rigidity that can penetrate into the core of a solid tobacco product to heat it. At the same time, the heating device needs to contain a temperature sensor to realize Closed-loop control of temperature.
发明内容Contents of the invention
本实用新型的目的是为了解决现有技术的不足，提供一种低温加热电子卷烟烟具发热器，具有一定的刚度和强度，可方便的刺入到烟草制品的芯部进行加热，同时发热器芯部可嵌入温度传感器实现对温度的闭环控制，提高低温加热电子卷烟烟具对烟草制品加热温度的控制精度。The purpose of this utility model is to solve the deficiencies of the prior art, and provide a low-temperature heating electronic cigarette smoking device heater, which has certain rigidity and strength, and can be easily penetrated into the core of tobacco products for heating. At the same time, the heater core A temperature sensor can be embedded inside to realize the closed-loop control of the temperature, and improve the control accuracy of the heating temperature of the tobacco product by the low-temperature heating electronic cigarette smoking set.
本实用新型的目的通过如下技术方案实现。The purpose of this utility model is achieved through the following technical solutions.
一种低温加热电子卷烟烟具发热器，本实用新型特征在于，包括芯棒、绝缘层、正负极引脚、温度传感器；所述绝缘层通过烧结的方式包裹在芯棒的外表面上 ；所述正负极引脚连接在芯棒外表面所包裹的绝缘层上；所述温度传感器嵌入在芯棒尾端所开设的盲孔内，该温度传感器后端连接有引脚伸出盲孔外。A low-temperature heating electronic cigarette heating device, the utility model is characterized in that it includes a mandrel, an insulating layer, positive and negative pins, and a temperature sensor; the insulating layer is wrapped on the outer surface of the mandrel by sintering; the The positive and negative pins are connected to the insulating layer wrapped on the outer surface of the mandrel; the temperature sensor is embedded in the blind hole opened at the end of the mandrel, and the rear end of the temperature sensor is connected to a pin extending out of the blind hole .
本实用新型所述芯棒采用烧结的陶瓷材料，分为加热部和导向部，其加热部为后段，导向部为前段，加热部的长度占芯棒总长的三分之二以上。The mandrel described in the utility model is made of sintered ceramic material, and is divided into a heating part and a guiding part. The heating part is the rear part, and the guiding part is the front part. The length of the heating part accounts for more than two-thirds of the total length of the mandrel.
本实用新型所述绝缘层采用流延成型法制成的待烧结的陶瓷薄片毛坯成品，在绝缘层的内表面上通过印刷金属钨或钼锰浆料而制成加热电路，在所述绝缘层的外表面的后段侧面设置有连接正负极引脚用的焊盘。The insulating layer of the utility model adopts the finished ceramic sheet blank to be sintered by tape casting method, and the heating circuit is made by printing metal tungsten or molybdenum-manganese slurry on the inner surface of the insulating layer. The rear side of the outer surface is provided with pads for connecting positive and negative pins.
本实用新型所述绝缘层的焊盘处可连接正负极引脚为带有正负极引脚的发热装置，正负极引脚与焊盘以焊接的方式连接。The pads of the insulating layer described in the utility model can be connected to positive and negative pins to form a heating device with positive and negative pins, and the positive and negative pins are connected to the pads by welding.
本实用新型所述绝缘层的焊盘处不连接正负极引脚可制作成不带有正负极引脚的发热装置。The welding pads of the insulating layer of the utility model are not connected to the positive and negative pins, so it can be made into a heating device without positive and negative pins.
本实用新型所述芯棒的加热部横截面形状为圆形；导向部为由圆形逐渐变小的圆锥形或圆锥台形。The cross-sectional shape of the heating part of the mandrel described in the utility model is circular; the guiding part is conical or truncated cone, which gradually becomes smaller from a circular shape.
本实用新型所述芯棒的加热部横截面形状为“十”字形柱体结构、或横截面为“一”字形柱体结构，导向部的横截面为与导向部横截面相同的形状，且导向部的截面面积沿远离加热部的方向逐渐缩小。The cross-sectional shape of the heating part of the mandrel described in the utility model is a "ten"-shaped cylindrical structure, or a "one"-shaped cylindrical structure in cross-section, and the cross-section of the guide part is the same shape as the cross-section of the guide part, and The cross-sectional area of the guide part gradually decreases along the direction away from the heating part.
本实用新型所述的芯棒采用氧化铝陶瓷材料烧结而成， 作为本实用新型的本体，芯棒的一端导向部的截面为圆形直径逐渐缩小的圆锥或锥台形状，或截面为“十”字形、或截面为“一”字形的结构，利于刺入到烟草制品的芯部，芯棒的另一端加热部截面可为圆形的圆柱体形状、或截面为“十”字形、或截面为“一”字形的结构，加热部占芯棒总长的三分之二以上，在加热部和导向部横截面均为圆形结构时，加热部的内部开设有可嵌入温度传感器的盲孔，同时盲孔的开设可降低芯棒对陶瓷材料的需求，提高发热器的加热效率，降低热量损耗。The mandrel described in the utility model is made of sintered alumina ceramic material. As the body of the utility model, the cross-section of the guide part at one end of the mandrel is a cone or truncated cone with a circular diameter gradually decreasing, or the cross-section is "ten". ", or a "one"-shaped cross-section, which is conducive to piercing into the core of the tobacco product. The cross-section of the heating part at the other end of the mandrel can be a circular cylinder, or a "ten"-shaped cross-section, or a cross-section It is a "one"-shaped structure, and the heating part accounts for more than two-thirds of the total length of the mandrel. When the cross-section of the heating part and the guide part are both circular structures, there is a blind hole inside the heating part that can be embedded with a temperature sensor. At the same time, the opening of blind holes can reduce the demand of the mandrel for ceramic materials, improve the heating efficiency of the heater, and reduce heat loss.
本实用新型所述的绝缘层采用流延成型技术制成的待烧结的陶瓷薄片，具有绝缘作用，在其内表面印刷有钨浆、钼锰等材料的加热电路，在其外表面的一端设置有用于焊接引脚的焊盘，焊盘与加热电路之间是导通的，可在焊盘上焊接有正负极引脚制作成含有正负极引脚的发热器，或不采用正负极引脚制作成无正负极引脚的发热器。The insulating layer described in the utility model adopts the ceramic sheet to be sintered which is made by tape-casting molding technology, which has an insulating effect, and a heating circuit of tungsten paste, molybdenum manganese and other materials is printed on its inner surface, and one end of its outer surface is set There are pads for soldering pins, and the pads are connected to the heating circuit. Positive and negative pins can be welded on the pads to make a heater with positive and negative pins, or no positive and negative pins are used. Pole pins are made into heaters without positive and negative pole pins.
本实用新型所述的温度传感器可由NTC（负温度系数）、PTC（正温度系数）材料制作，但不仅限于NTC和PTC材料的温度传感器，该传感器可嵌入到所述芯棒开设的盲孔中，实现对温度信号的采集，完成对温度的闭环控制。The temperature sensor described in the utility model can be made of NTC (negative temperature coefficient) and PTC (positive temperature coefficient) materials, but not limited to temperature sensors of NTC and PTC materials, the sensor can be embedded in the blind hole opened by the mandrel , realize the acquisition of temperature signal, and complete the closed-loop control of temperature.
本实用新型可方便的刺入到烟草制品的芯部进行加热，同时发热器芯部可嵌入温度传感器实现对温度的闭环控制，提高低温加热电子卷烟烟具对烟草制品加热温度的控制精度。The utility model can be conveniently penetrated into the core of the tobacco product for heating, and at the same time, the core of the heater can be embedded with a temperature sensor to realize closed-loop control of the temperature, and improve the control accuracy of the heating temperature of the tobacco product by the low-temperature heating electronic cigarette smoking set.
下面结合说明书附图进一步阐述本实用新型内容。Below in conjunction with accompanying drawing of description, further set forth the utility model content.
附图说明Description of drawings
图1是本实用新型的结构示意图；Fig. 1 is the structural representation of the utility model;
图 2 是本实用新型包裹绝缘层和绝缘层发热电路的示意图；Figure 2 is a schematic diagram of the utility model wrapped insulation layer and insulation layer heating circuit;
图3是本实用新型的剖视图；Fig. 3 is a sectional view of the utility model;
图4是本实用新型的另一结构示意图；Fig. 4 is another structural representation of the utility model;
图5是本实用新型的第三种实施结构示意图；Fig. 5 is the third implementation structure schematic diagram of the utility model;
图6是本实用新型的第四种实施结构示意图。Fig. 6 is a schematic diagram of the fourth embodiment of the utility model.
图中：1—芯棒； 11—盲孔，12—加热部，13—导向部；2—绝缘层；21—加热电路；22—焊盘；3—正负极引脚；4—温度传感器；41—温度传感器引脚。In the figure: 1—mandrel; 11—blind hole, 12—heating part, 13—guiding part; 2—insulation layer; 21—heating circuit; 22—welding pad; 3—positive and negative pins; 4—temperature sensor ; 41—temperature sensor pin.
具体实施方式Detailed ways
如图1所示，一种低温加热电子卷烟烟具发热器，本实用新型特征在于，包括芯棒1、绝缘层2、正负极引脚3、温度传感器4；所述绝缘层2通过烧结的方式包裹在芯棒1的外表面上 ；所述正负极引脚3连接在芯棒1外表面所包裹的绝缘层2上；所述温度传感器4嵌入在芯棒1尾端所开设的盲孔11内，该温度传感器4后端连接有引脚41伸出盲孔11外。As shown in Figure 1, a low-temperature heating electronic cigarette heating device is characterized in that it includes a mandrel 1, an insulating layer 2, positive and negative pins 3, and a temperature sensor 4; the insulating layer 2 is sintered wrapped on the outer surface of the mandrel 1; the positive and negative pins 3 are connected to the insulating layer 2 wrapped on the outer surface of the mandrel 1; Inside the hole 11 , the rear end of the temperature sensor 4 is connected with a pin 41 extending out of the blind hole 11 .
本实用新型所述芯棒1采用烧结的陶瓷材料，分为加热部12和导向部13，其加热部12为后段，导向部13为前段，加热部12的长度占芯棒1总长的三分之二以上。Mandrel 1 described in the utility model adopts sintered ceramic material, is divided into heating part 12 and guiding part 13, and its heating part 12 is the rear section, and guiding part 13 is the front section, and the length of heating part 12 accounts for three-thirds of the total length of mandrel 1. More than two-thirds.
本实用新型所述绝缘层2采用流延成型法制成的待烧结的陶瓷薄片毛坯成品，在绝缘层2的内表面上通过印刷金属钨或钼锰浆料而制成加热电路21，在所述绝缘层2的外表面的后段侧面设置有连接正负极管脚3用的焊盘22。The insulating layer 2 of the utility model adopts the finished ceramic sheet blank to be sintered by tape casting method, and the heating circuit 21 is made by printing metal tungsten or molybdenum-manganese slurry on the inner surface of the insulating layer 2. A pad 22 for connecting the positive and negative pins 3 is provided on the rear side of the outer surface of the insulating layer 2 .
本实用新型所述绝缘层2的焊盘22处可连接的正负极引脚3制作为带有正负极引脚的发热装置，正负极引脚与焊盘22以焊接的方式连接。The positive and negative pins 3 that can be connected to the pads 22 of the insulating layer 2 in the utility model are made as heating devices with positive and negative pins, and the positive and negative pins are connected to the pads 22 by welding.
本实用新型所述绝缘层2的焊盘22处不连接正负极引脚3制作成不带有正负极引脚的发热装置。The welding pad 22 of the insulating layer 2 described in the utility model is not connected to the positive and negative pins 3 to make a heating device without positive and negative pins.
本实用新型所述芯棒1的加热部12横截面形状为圆形；导向部13为由圆形逐渐变小的圆锥形或圆锥台形。The cross-sectional shape of the heating part 12 of the mandrel 1 described in the present invention is circular; the guide part 13 is conical or truncated conical, which gradually becomes smaller from a circular shape.
本实用新型所述芯棒1的加热部12横截面形状为“十”字形柱体结构、或横截面为“一”字形柱体结构，导向部13的横截面为与导向部横截面相同的形状，且导向部13的截面面积沿远离加热部12的方向逐渐缩小。The cross-sectional shape of the heating part 12 of the mandrel 1 described in the utility model is a "ten"-shaped cylindrical structure, or a "one"-shaped cylindrical structure in cross-section, and the cross-section of the guide part 13 is the same as that of the guide part. shape, and the cross-sectional area of the guide part 13 gradually decreases along the direction away from the heating part 12 .
如图1、2所示，芯棒1设计有导向部13和加热部12组成，导向部13为横截面为圆形直径逐渐缩小的圆锥体或圆锥台形状，或横截面为“十”形、或横截面为“一”字形的结构，加热部12为横截面为圆形的圆柱体、或横截面为“十”形的柱体、或横截面为“一”字形的柱体结构，加热部的长度占芯棒总长度的三分之二以上，导向部13用于刺入烟草制品的内部，芯棒的加热部12实现对烟草制品高效快速的低温加热，当导向部13和加热部12的横截面积均设计为圆形时，可在芯棒圆柱体部分的内部开设有盲孔11，盲孔11的开设可用于嵌入温度传感器4，并起到降低材料、提高加热效率的作用。芯棒加热部的外表由绝缘层2进行包裹，绝缘层2为陶瓷流延坏体，其内表面印刷有钨浆、钼锰浆料，经过热压层叠构成本实用新型的加热电路21，然后在高温氢气气氛炉内将芯棒与绝缘层烧结成一体，形成本实用新型所述的发热器，在绝缘层的外侧设置有与加热电路21相连通的焊盘22；正负极引脚3则焊接在焊盘22上，形成电流的输入接口。As shown in Figures 1 and 2, the mandrel 1 is designed to be composed of a guide part 13 and a heating part 12. The guide part 13 is in the shape of a cone or a truncated cone with a circular cross section and a gradually decreasing diameter, or a "ten" shape in cross section. , or a structure with a "one" shape in cross section, the heating part 12 is a cylinder with a circular cross section, or a cylinder with a "ten" shape in cross section, or a cylinder structure with a "one" shape in cross section, The length of the heating part accounts for more than two-thirds of the total length of the mandrel. The guide part 13 is used to penetrate the interior of the tobacco product. The heating part 12 of the mandrel realizes efficient and rapid low-temperature heating of the tobacco product. When the guide part 13 and the heating When the cross-sectional areas of the parts 12 are all designed to be circular, a blind hole 11 can be opened inside the cylindrical part of the mandrel. The opening of the blind hole 11 can be used to embed the temperature sensor 4, and play a role in reducing the material and improving the heating efficiency. effect. The outer surface of the mandrel heating part is wrapped by an insulating layer 2. The insulating layer 2 is a ceramic cast bad body, and its inner surface is printed with tungsten slurry and molybdenum-manganese slurry, which are laminated by hot pressing to form the heating circuit 21 of the present invention, and then In the high-temperature hydrogen atmosphere furnace, the mandrel and the insulating layer are sintered into one body to form the heater described in the utility model, and a pad 22 connected to the heating circuit 21 is provided on the outer side of the insulating layer; positive and negative pins 3 Then, it is welded on the pad 22 to form an input interface for electric current.
如图3所示，本实用新型的剖切示意图，在芯棒1的内部盲孔11中嵌入安装有温度传感器4，温度传感器4所布置的位置为发热器的加热区，可精确测量发热器的温度信号，内嵌式温度传感器不影响发热器刺入到烟草制品的芯部，不影响对烟草制品的加热，同时又可获得精确的温度测量。As shown in Figure 3, the cutaway schematic diagram of the utility model is embedded with a temperature sensor 4 in the internal blind hole 11 of the mandrel 1, and the position of the temperature sensor 4 is the heating area of the heater, which can accurately measure the temperature of the heater. The temperature signal of the built-in temperature sensor does not affect the penetration of the heater into the core of the tobacco product, does not affect the heating of the tobacco product, and can obtain accurate temperature measurement at the same time.
可以理解的，将图4所示的正负极引脚3去除后仅保留绝缘层2外表面处的焊盘22，制作成不含有正负引脚3的发热器，在同烟具安装时直接焊接在烟具的安装座体中，可得到本实用新型的另一变体，同属于本实用新型范畴。It can be understood that after the positive and negative pins 3 shown in Figure 4 are removed, only the pads 22 on the outer surface of the insulating layer 2 are left to make a heater that does not contain the positive and negative pins 3. Welded in the mounting base body of the smoking set, another variant of the utility model can be obtained, which also belongs to the category of the utility model.
可以理解的，将图5所示芯棒的导向部13制作成圆锥台状结构，加热部12制作为实心结构，不采用内嵌式温度传感器，亦可将内嵌式温度传感器改为外贴式，亦可得到本实用新型的不同变体，同属于本实用新型范畴。It can be understood that the guide part 13 of the mandrel shown in Figure 5 is made into a truncated conical structure, the heating part 12 is made into a solid structure, and the built-in temperature sensor is not used, and the built-in temperature sensor can also be changed to an externally attached one. Formula, also can obtain the different variants of the utility model, belong to the category of the utility model together.
可以理解的，将图6所示的芯棒3的加热部12的横截面形状设计为“十字形”结构，同样导向部13设计为与加热部12具有相同的横截面，且横截面面积沿远离加热部12的方向逐渐缩小，温度传感器4可外贴在加热部12的外表面，得到与本实用新型相同原理的不同变体，同理，加热部12与导向部13的横截面均可设计为“一”字形结构，同属于本实用新型范畴。It can be understood that the cross-sectional shape of the heating part 12 of the mandrel 3 shown in FIG. The direction away from the heating part 12 gradually narrows, and the temperature sensor 4 can be attached to the outer surface of the heating part 12 to obtain different variants of the same principle as the utility model. Similarly, the cross-sections of the heating part 12 and the guide part 13 can be It is designed as a "one" shape structure, which belongs to the category of the present utility model.
上述实施实例仅仅是对具体的实施方式的示意性描述，本实用新型的范围不限于上述特定实施实例。The above-mentioned implementation examples are only schematic descriptions of specific implementation manners, and the scope of the present utility model is not limited to the above-mentioned specific implementation examples.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272935.5UCN204653785U (en) | 2015-04-30 | 2015-04-30 | A kind of low-temperature heat electronic cigarette smoking set heating element |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272935.5UCN204653785U (en) | 2015-04-30 | 2015-04-30 | A kind of low-temperature heat electronic cigarette smoking set heating element |
| Publication Number | Publication Date |
|---|---|
| CN204653785Utrue CN204653785U (en) | 2015-09-23 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520272935.5UExpired - LifetimeCN204653785U (en) | 2015-04-30 | 2015-04-30 | A kind of low-temperature heat electronic cigarette smoking set heating element |
| Country | Link |
|---|---|
| CN (1) | CN204653785U (en) |
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|---|---|---|---|---|
| CN104799438A (en)* | 2015-04-30 | 2015-07-29 | 云南昆船数码科技有限公司 | Electronic cigarette smoking set heater with low-temperature heating function |
| CN107252139A (en)* | 2017-07-20 | 2017-10-17 | 深圳市博迪科技开发有限公司 | Circumferential heated type for electronic cigarette toasts pin and electronic cigarette |
| CN108185533A (en)* | 2018-02-05 | 2018-06-22 | 深圳市新宜康电子技术有限公司 | Sheet type ceramics atomization core and preparation method thereof |
| EP3456213A4 (en)* | 2016-05-12 | 2019-12-18 | Hubei China Tobacco Industry Co., Ltd. | NEEDLE TYPE HEATING DEVICE AND PREPARATION METHOD THEREOF, AND ELECTRIC HEATING CIGARETTE COMPRISING SAME |
| WO2020228441A1 (en)* | 2019-05-16 | 2020-11-19 | 深圳佳品健怡科技有限公司 | Heating device for electric heating smoking set and electric heating smoking set |
| CN112244366A (en)* | 2019-07-22 | 2021-01-22 | 湖北中烟工业有限责任公司 | A heating element and smoking system having the same |
| CN112335334A (en)* | 2018-09-11 | 2021-02-05 | 京瓷株式会社 | Heater and cigarette heating device provided with the same |
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104799438A (en)* | 2015-04-30 | 2015-07-29 | 云南昆船数码科技有限公司 | Electronic cigarette smoking set heater with low-temperature heating function |
| EP3456213A4 (en)* | 2016-05-12 | 2019-12-18 | Hubei China Tobacco Industry Co., Ltd. | NEEDLE TYPE HEATING DEVICE AND PREPARATION METHOD THEREOF, AND ELECTRIC HEATING CIGARETTE COMPRISING SAME |
| CN107252139A (en)* | 2017-07-20 | 2017-10-17 | 深圳市博迪科技开发有限公司 | Circumferential heated type for electronic cigarette toasts pin and electronic cigarette |
| WO2019014991A1 (en)* | 2017-07-20 | 2019-01-24 | 深圳市博迪科技开发有限公司 | Circumferential heating-type curing needle for electronic cigarette, and electronic cigarette |
| KR20200017389A (en)* | 2017-07-20 | 2020-02-18 | 썬전 버디 테크놀로지 디벨롭먼트 컴퍼니 리미티드 | Circumferentially heated roasting pins and electronic cigarettes for electronic cigarettes |
| KR102379784B1 (en)* | 2017-07-20 | 2022-03-28 | 썬전 버디 테크놀로지 디벨롭먼트 컴퍼니 리미티드 | Circumferential Heated Roasting Pins and Electronic Cigarettes for Electronic Cigarettes |
| US11517049B2 (en) | 2017-07-20 | 2022-12-06 | Shenzhen Buddy Technology Development Co., Ltd | E-cigarette and circumferentially heating type curing needle for the same |
| CN108185533A (en)* | 2018-02-05 | 2018-06-22 | 深圳市新宜康电子技术有限公司 | Sheet type ceramics atomization core and preparation method thereof |
| CN112335334A (en)* | 2018-09-11 | 2021-02-05 | 京瓷株式会社 | Heater and cigarette heating device provided with the same |
| CN112335334B (en)* | 2018-09-11 | 2022-12-09 | 京瓷株式会社 | Heater and heating appliance equipped with the heater |
| WO2020228441A1 (en)* | 2019-05-16 | 2020-11-19 | 深圳佳品健怡科技有限公司 | Heating device for electric heating smoking set and electric heating smoking set |
| CN112244366A (en)* | 2019-07-22 | 2021-01-22 | 湖北中烟工业有限责任公司 | A heating element and smoking system having the same |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | Effective date of registration:20210428 Address after:650051, No. 6, Renmin Middle Road, Panlong District, Yunnan, Kunming Patentee after:YUNNAN KSEC DESIGN RESEARCH INSTITUTE Co.,Ltd. Address before:650011 No. 176, medical Road, Kunming hi tech Development Zone, Yunnan, 301-309 Patentee before:YUNNAN KUNCHUAN DIGITAL TECHNOLOGY Co.,Ltd. | |
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term | Granted publication date:20150923 |