CN108424141A - 一种电子烟发热片 - Google Patents
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- 239000011159 matrix material Substances 0.000 claims abstract description 44
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 25
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Abstract
本发明公开了一种电子烟发热片,发热片的陶瓷基体上印刷加热电阻丝,陶瓷基体包括以下重量份的粉体原料:氧化锆90‑96份、氧化钇5‑10份、二氧化硅2‑15份、氧化镁1‑6份、氧化钙1‑2份;上述陶瓷基体的制备方法,包括如下步骤:1)在陶瓷基体粉体原料中加入溶剂、分散剂及消泡剂混合球磨4‑12小时得到预混料;2)在预混料中加入粘结剂继续球磨8‑24小时得到氧化锆混合浆料;3)将上述步骤中的氧化锆混合浆料放入模具中,自然干燥10‑12小时后脱模,得到发热片生坯;4)将脱模后的生坯放入网带炉中烧结,500‑1520℃阶梯升温,时间为4‑6小时。本发明发热片加热效率高,升降温快,不易造成烫伤,利于延长加热棒内部电子器件寿命。
Description
技术领域
本发明属于电子烟技术领域,更具体地说,本发明涉及一种电子烟发热片。
背景技术
电子烟是一种模仿吸烟的电子产品,主要用加热部件将烟弹加热雾化,以模拟与香烟近似的味道和口感,电子烟中没有香烟中的焦油、悬浮颗粒其他有害成分,烟弹在加热过程中是否产生有害物质,电子烟加热部件的温度控制是至关重要的,目前大多数的加热部件的基体都采用的是陶瓷基体。陶瓷发热片是新一代高效能、绿色环保的发热器件,用于给发热部件提供热源或直接作为发热部件使用。目前国内外市场上的陶瓷发热片是由陶瓷片、发热电阻、引线组成的加热结构,当发热电阻加热时陶瓷片的温度基本都达到100摄氏度以上,当停止加热取下烟弹时,陶瓷片温度依然比较高,容易造成烫伤和加热棒内部温度过高,影响电子元器件的寿命。
发明内容
本发明的目的在于:针对现有技术的上述缺陷,提供一种电子烟发热片,其加热效率高。
为了实现上述发明目的,本发明提供了一种电子烟发热片,所述发热片的陶瓷基体上印刷加热电阻丝,所述陶瓷基体包括以下重量份的粉体原料:
进一步地,所述陶瓷基体包括如下重量份的粉体原料:
进一步地,所述陶瓷基体包括如下重量份的粉体原料:
进一步地,所述加热电阻丝为银钯合金。
上述的电子烟发热片的陶瓷基体的制备方法,包括如下步骤:
1)在所述陶瓷基体粉体原料中加入溶剂、分散剂及消泡剂混合球磨4-12 小时得到预混料;
2)在所述预混料中加入粘结剂继续球磨8-24小时得到氧化锆混合浆料;
3)将上述步骤中的氧化锆混合浆料放入模具中,自然干燥10-12小时后脱模,得到发热片生坯;
4)将脱模后的生坯放入网带炉中烧结,500-1520℃阶梯升温,时间为4-6 小时。
进一步地,所述溶剂为水或者浓度为20-40vol%的乙醇溶液。
进一步地,所述分散剂为聚丙烯酸铵、聚丙烯酸钠、柠檬酸铵中的一种。
进一步地,所述消泡剂为聚氧丙烯聚氧乙烯甘油醚或聚二甲基硅氧烷。
进一步地,所述粘结剂为聚乙烯醇、聚乙二醇、羧甲基纤维素钠中的一种。
进一步地,所述分散剂为0.5-5份、消泡剂为0.5-5份、粘结剂为2-8份。
在本发明的一个实施例中,所述陶瓷基体粉体原料的粒径小于9μm。优选的,陶瓷基体粉体原料的粒度D50为0.2μm~0.7μm。
在本发明中,所述预混料中混合料液的固含量为55~65%。
与现有技术相比,本发明具有以下优点:本发明的发热片加热效率高,升温快,降温也快,取下烟弹后不易造成烫伤,利于延长加热棒内部电子器件的寿命,本发明的陶瓷基体密度高达到6.1g/cm3,断裂韧性均超过了10Mpa·m1/2,膨胀系数为6.5~11.2×10-16K-1,弯曲强度达到1002Mpa。
具体实施方式
为了使本发明的发明目的、技术方案及其技术效果更加清晰,以下具体实施方式,对本发明进一步详细说明。应当理解的是,本说明书中描述的具体实施方式仅仅是为了解释本发明,并非为了限定本发明。
实施例1
一种电子烟发热片的陶瓷基体的制备方法,包括如下步骤:
1)取在陶瓷基体粉体原料中加入溶剂、分散剂及消泡剂混合后,采用辊磨球磨,转速为60r/min,时间8小时,得到预混料;
陶瓷基体粉体原料为:氧化锆95份、氧化钇8份、二氧化硅5份、氧化镁 2份、氧化钙2份。溶剂为去离子水、分散剂为柠檬酸铵3份、消泡剂为聚氧丙烯聚氧乙烯甘油醚2份。
2)在所述预混料中加入粘结剂聚乙二醇6份,加入搅拌球磨机,转速为 130r/min时间14小时,得到氧化锆混合浆料;
3)将上述步骤中的氧化锆混合浆料放入模具中,自然干燥(20-25℃)10 小时后脱模,得到发热片生坯;
4)将脱模后的生坯放入网带炉中烧结,600℃烧结1小时,800℃保温1小时,升温至1350℃烧结3小时。
将本实施例的陶瓷基体上印刷电路,发热电阻丝为银钯合金,制成的厚度为0.4㎝的氧化锆发热片。
本实施例的陶瓷基体密度高达到6.1g/cm3,断裂韧性为11Mpa·m1/2,膨胀系数为6.5~11.2×10-16K-1,三点弯曲强度达到1002Mpa。
在同等条件下,采用氧化铝替换氧化锆制成片状氧化铝发热片,氧化锆发热片的引脚采用锡焊焊接到加热棒的主板上,氧化铝发热片采用还原气氛炉钎焊到加热棒的主板上,同等测试条件下对比参数如下:
从上述表格中能明显看到,本实施例片状氧化锆发热片的加热效率比较高,且抗弯折强度比较大。
实施例2
一种电子烟发热片的陶瓷基体的制备方法,包括如下步骤:
1)取在陶瓷基体粉体原料中加入溶剂、分散剂及消泡剂混合后,采用辊磨球磨,转速为40r/min,时间12小时,得到预混料;
陶瓷基体粉体原料为:氧化锆90份、氧化钇10份、二氧化硅4份、氧化镁1份、氧化钙1.5份。溶剂为20vol%的乙醇溶液、分散剂为聚丙烯酸钠0.5 份、消泡剂为聚氧丙烯聚氧乙烯甘油醚0.8份。
2)在所述预混料中加入粘结剂聚乙烯醇2份,加入搅拌球磨机,转速为 120r/min时间24小时,得到氧化锆混合浆料;
3)将上述步骤中的氧化锆混合浆料放入模具中,自然干燥(20-25℃)11 小时后脱模,得到发热片生坯;
4)将脱模后的生坯放入网带炉中烧结,500℃烧结1.5小时,750℃保温1 小时,升温至1500℃烧结3.5小时。
将本实施例的陶瓷基体上印刷电路,发热电阻丝为银钯合金,制成的厚度为0.4㎝的氧化锆发热片。
本实施例的陶瓷基体密度高达到5.95g/cm3,断裂韧性为10.62Mpa·m1/2,膨胀系数为6.5~11.2×10-16K-1,弯曲强度达到998Mpa。
实施例3
一种电子烟发热片的陶瓷基体的制备方法,包括如下步骤:
1)取在陶瓷基体粉体原料中加入溶剂、分散剂及消泡剂混合后,采用辊磨球磨,转速为80r/min,时间4小时,得到预混料;
陶瓷基体粉体原料为:氧化锆92份、氧化钇4份、二氧化硅2份、氧化镁 1.5份、氧化钙2份。溶剂为40vol%的乙醇溶液、分散剂为聚丙烯酸铵5份、消泡剂为聚二甲基硅氧烷5份。
2)在所述预混料中加入粘结剂羧甲基纤维素钠8份,加入搅拌球磨机,转速为160r/min时间8小时,得到氧化锆混合浆料;
3)将上述步骤中的氧化锆混合浆料放入模具中,自然干燥(20-25℃)12 小时后脱模,得到发热片生坯;
4)将脱模后的生坯放入网带炉中烧结,600℃烧结1小时,800℃保温1小时,升温至1520℃烧结3小时,时间为5小时。
将本实施例的陶瓷基体上印刷电路,发热电阻丝为银钯合金,制成的厚度为0.4㎝的氧化锆发热片。
本实施例的陶瓷基体密度高达到5.92g/cm3,断裂韧性为10.39Mpa·m1/2,膨胀系数为6.5~11.2×10-16K-1,弯曲强度达到994Mpa。
实施例4
一种电子烟发热片的陶瓷基体的制备方法,包括如下步骤:
1)取在陶瓷基体粉体原料中加入溶剂、分散剂及消泡剂混合后,采用辊磨球磨,转速为50r/min,时间10小时,得到预混料;
陶瓷基体粉体原料为:氧化锆96份、氧化钇5份、二氧化硅15份、氧化镁2份、氧化钙1份。溶剂为30vol%的乙醇溶液、分散剂为柠檬酸铵2份、消泡剂为聚氧丙烯聚氧乙烯甘油醚0.5份。
2)在所述预混料中加入粘结剂聚乙二醇4份,加入搅拌球磨机,转速为 140r/min时间20小时,得到氧化锆混合浆料;
3)将上述步骤中的氧化锆混合浆料放入模具中,自然干燥(20-25℃)12 小时后脱模,得到发热片生坯;
4)将脱模后的生坯放入网带炉中烧结,550℃烧结1小时,800℃保温1小时,升温至1400℃烧结2小时。
将本实施例的陶瓷基体上印刷电路,发热电阻丝为银钯合金,制成的厚度为0.4㎝的氧化锆发热片。
本实施例的陶瓷基体密度高达到6.05g/cm3,断裂韧性为10.54Mpa·m1/2,膨胀系数在6.5~11.2×10-16K-1,弯曲强度达到1001Mpa。
本发明的发热片加热效率高,升温快,降温也快,取下烟弹后不易造成烫伤,利于延长加热棒内部电子器件的寿命,本发明的陶瓷基体密度高达到 6.1g/cm3,断裂韧性均超过了10Mpa·m1/2,膨胀系数为6.5~11.2×10-16K-1,弯曲强度达到1002Mpa。
上面对本发明的实施例进行了描述,但是本发明并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本发明的启示下,在不脱离本发明宗旨和权利要求所保护的范围情况下,还可做出很多形式,这些均属于本发明的保护之内。此外,尽管本说明书中使用了一些特定的术语,但这些术语只是为了方便说明,并不对本发明构成任何限制。
Claims (9)
1.一种电子烟发热片,其特征在于:所述发热片的陶瓷基体上印刷加热电阻丝,所述陶瓷基体包括以下重量份的粉体原料:
2.根据权利要求1所述的电子烟发热片,其特征在于所述陶瓷基体包括如下重量份的粉体原料:
3.根据权利要求1所述的电子烟发热片,其特征在于所述陶瓷基体包括如下重量份的粉体原料:
4.权利要求1所述的电子烟发热片的陶瓷基体的制备方法,包括如下步骤:
1)在所述陶瓷基体粉体原料中加入溶剂、分散剂及消泡剂混合球磨4-12小时得到预混料;
2)在所述预混料中加入粘结剂继续球磨8-24小时得到氧化锆混合浆料;
3)将上述步骤中的氧化锆混合浆料放入模具中,自然干燥10-12小时后脱模,得到发热片生坯;
4)将脱模后的生坯放入网带炉中烧结,500-1520℃阶梯升温,时间为4-6小时。
5.根据权利要求5所述的电子烟发热片的陶瓷基体的制备方法,其特征在于:所述溶剂为水或者浓度为20-40vol%的乙醇溶液。
6.根据权利要求5所述的电子烟发热片的陶瓷基体的制备方法,其特征在于:所述分散剂为聚丙烯酸铵、聚丙烯酸钠、柠檬酸铵中的一种。
7.根据权利要求5所述的电子烟发热片的陶瓷基体的制备方法,其特征在于:所述消泡剂为聚氧丙烯聚氧乙烯甘油醚或聚二甲基硅氧烷。
8.根据权利要求5所述的电子烟发热片的陶瓷基体的制备方法,其特征在于:所述粘结剂为聚乙烯醇、聚乙二醇、羧甲基纤维素钠中的一种。
9.根据权利要求5所述的电子烟发热片的陶瓷基体的制备方法,其特征在于:所述分散剂为0.5-5份、消泡剂为0.5-5份、粘结剂为2-8份。
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