CN112455013A - 一种分层复合3d真空绝热板和保温容器 - Google Patents
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Abstract
本发明提供了一种分层复合的三维真空绝热板,所述真空绝热板具有容置腔及开口,其具体包括内阻隔层、分层复合芯材和外阻隔层;所述内阻隔层在开口位置沿着开口向外延伸;所述外阻隔层,在开口方向朝向内延伸,并与内阻隔层在延伸面复合。所述分层复合芯材,为复合芯材多层叠加组成,其中复合芯材为载体层、粉末层、反辐射层复合而成。上述的分层复合3DVIP,相比普通芯材可进一步增强3DVIP保温性能,提高保温时长,更加节能环保。本发明还提供了一种保温容器,使用了上述的分层复合的3DVIP。
Description
技术领域
本发明涉及保温材料领域,具体是指一种3D的真空绝热板。
背景技术
目前真空绝热板多为二维平板型,也有将平板卷成环形的VIP板,但其工艺复杂,对本身VIP的阻隔膜亦有损伤,影响VIP性能及寿命。目前的桶型保温,箱型保温,常用的为平板VIP板多面拼接保温;此结构VIP板的边际效应明显且VIP板拼接处的冷桥严重影响了整体的绝热性能。因此尽管VIP导热系数为2.5mW/m·k,绝热性能约比纯PU好7~9倍,但在实际箱体中的绝热性能表现仅比纯PU好2~3倍。保温VIP使用提升的性能不明显,带来的性价比略有不足,限制了VIP的应用。采用分层复合芯材的3DVIP,可进一步提升3DVIP性能,进一步提高3DVIP的应用优势。
发明内容
本发明的目的在于解决平板VIP在实际应用上的性能不足,提供一种3D真空绝热板,应用在箱体保温上,没有边际效应和冷桥,极大增强保温性能,提高保温时长,同时采用分层复合芯材,进一步提升3DVIP性能,从而提高VIP应用的性价比,更加节能环保。
为了解决上述技术问题,本发明提供了一种分层复合3D真空绝热板,所述真空绝热板具有容置腔及连通容置腔的开口,其具体包括内阻隔层、分层复合芯材和外阻隔层;
所述内阻隔层在开口位置沿着开口的径向向外延伸;所述外阻隔层,在开口的径向上向内延伸,并与内阻隔层在延伸面复合;所述分层复合芯材,为复合芯材沿着厚度方向多层叠加组成,其中复合芯材为载体层、粉末层、反辐射层复合而成。
在一较佳实施例中:所述内阻隔层为金属材质,为冲压拉伸成型或焊接成型。
在一较佳实施例中:所述复合芯材与复合芯材之间设有用于吸附空气、水分的吸附剂。
在一较佳实施例中:所述外阻隔层为多层复合铝塑膜,由侧膜和底膜复合组成,侧膜的延伸面为冲压或充气拉伸成形。
在一较佳实施例中:所述外阻隔层为金属材质,为冲压拉伸成型或焊接成型。
在一较佳实施例中:所述外阻隔层和内阻隔层之间形成一个封闭的空间,中间芯材填充此空间且并抽真空。
本发明还提供了一种保温容器,使用了如上所述的分层复合3D真空绝热板。
相较于现有技术,本发明的技术方案具备以下有益效果:
1.通过将VIP板制成3D结构,可直接将所需保温的物品完全包裹,避免的单片VIP板的边际效应和VIP拼接缝隙的冷桥,从而大大提高VIP实际保温效果,从而提高保温时长。
2.内阻隔层为金属材质,可直接应用于高温绝热领域如热水器储水桶,解决了VIP不能直接接触高温物体的问题。
3.内阻隔层为金属材质,可采用食品级金属,直接接触食品、生鲜及药品。相当于直接用保温材料将物品包裹,大大提高绝热性能及应用场景。
4.内阻隔层为金属材质,由于金属材质良好的导热性能,容置腔内空间温度更加均匀,可以采用更少的冷源达到更好的保温效果。
5.分层复合芯材,可进一步降低导热系数,提升3DVIP性能,提高VIP的实际应用优势。
附图说明
图1为本发明优选实施例中分层复合3D真空绝热板结构示意图。
图2为本发明优选实施例中分层复合3D真空绝热板立体图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述;显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例,基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
在本发明的描述中,需要说明的是,术语“上”、“下”、“内”、“外”、“顶/底端”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性。
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“设置有”、“套设/接”、“连接”等,应做广义理解,例如“连接”,可以是固定连接,也可以是可拆卸连接,或一体地连接,可以是机械连接,也可以是电连接,可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通,对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
本实施例提供了一种分层复合3D真空绝热板,如图1所示,包括内阻隔层1、分层复合芯材2、外阻隔层3;所述真空绝热板具有容置腔及开口;所述内阻隔层1在开口位置沿着开口的径向向外延伸;所述外阻隔层3,在开口方向沿着开口的径向向内延伸,并在延伸面与内阻隔层复合密封。
所述内阻隔层1为金属材质,可为冲压拉伸成型或焊接成型。所述分层复合芯材2,为复合芯材多层叠加组成,其中复合芯材为载体层21、粉末层22、反辐射层23复合而成。在复合层之间设有可吸附空气、水分的吸附剂4。
所述外阻隔层3为多层复合铝塑膜,由侧膜和底膜复合组成,侧膜开口延伸部位为冲压或充气拉伸成形。
所述外阻隔层3和内阻隔层1之间形成一个封闭的空间,分层复合芯材2填充此空间且并抽真空,形成封闭的真空绝热层。
在本实施例中,所述分层复合3D真空绝热板具体应用为冷链保温箱内胆;除了为保温箱内胆,本项设计还适用多种保温装置,例如真空保温桶、真空保温壶、保温设备等;属于简单替换,不能以此限定本发明的保护范围。
以上所述,仅为本发明较佳的具体实施方式,但本发明的设计构思并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,利用此构思对本发明进行非实质性的改动,均属于侵犯本发明保护范围的行为。
Claims (7)
1.一种分层复合3D真空绝热板,其特征在于,所述真空绝热板具有容置腔及连通容置腔的开口,其具体包括内阻隔层、分层复合芯材和外阻隔层;
所述内阻隔层在开口位置沿着开口的径向向外延伸;所述外阻隔层,在开口的径向上向内延伸,并与内阻隔层在延伸面复合;所述分层复合芯材,为复合芯材沿着厚度方向多层叠加组成,其中复合芯材为载体层、粉末层、反辐射层复合而成。
2.根据权利要求1所述的一种分层复合3D真空绝热板,其特征在于,所述内阻隔层为金属材质,为冲压拉伸成型或焊接成型。
3.根据权利要求1所述的一种分层复合3D真空绝热板,其特征在于,所述复合芯材与复合芯材之间设有用于吸附空气、水分的吸附剂。
4.根据权利要求1所述的一种分层复合3D真空绝热板,其特征在于,所述外阻隔层为多层复合铝塑膜,由侧膜和底膜复合组成,侧膜的延伸面为冲压或充气拉伸成形。
5.根据权利要求1所述的一种分层复合3D真空绝热板,其特征在于,所述外阻隔层为金属材质,为冲压拉伸成型或焊接成型。
6.根据权利要求1所述的一种分层复合3D真空绝热板,其特征在于,所述外阻隔层和内阻隔层之间形成一个封闭的空间,中间芯材填充此空间且并抽真空。
7.一种保温容器,其特征在于使用了权利要求1-7中任一项所述的分层复合3D真空绝热板。
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Citations (3)
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CN103104044A (zh) * | 2011-11-11 | 2013-05-15 | 福建赛特新材股份有限公司 | 一种墙体真空保温板及其制备方法 |
CN104712899A (zh) * | 2013-12-13 | 2015-06-17 | 南京航空航天大学 | 一种真空绝热板保温的深冷液体储运罐 |
CN105268867A (zh) * | 2014-07-16 | 2016-01-27 | 通用汽车环球科技运作有限责任公司 | 板构件和板构件的制造方法 |
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CN103104044A (zh) * | 2011-11-11 | 2013-05-15 | 福建赛特新材股份有限公司 | 一种墙体真空保温板及其制备方法 |
CN104712899A (zh) * | 2013-12-13 | 2015-06-17 | 南京航空航天大学 | 一种真空绝热板保温的深冷液体储运罐 |
CN105268867A (zh) * | 2014-07-16 | 2016-01-27 | 通用汽车环球科技运作有限责任公司 | 板构件和板构件的制造方法 |
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