CN113752645A - 一种轻质化防高温热辐射结构及防护层 - Google Patents

一种轻质化防高温热辐射结构及防护层 Download PDF

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CN113752645A
CN113752645A CN202110909337.4A CN202110909337A CN113752645A CN 113752645 A CN113752645 A CN 113752645A CN 202110909337 A CN202110909337 A CN 202110909337A CN 113752645 A CN113752645 A CN 113752645A
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layer
heat radiation
coating
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temperature
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高旭
李志杰
王辉
范开春
涂正光
毛靖
李智
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General Designing Institute of Hubei Space Technology Academy
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Abstract

本申请涉及防高温热辐射设计技术领域，特别涉及一种轻质化防高温热辐射结构及防护层，所述轻质化防高温热辐射结构包括：支撑层，其包括骨架层，所述骨架层内部中空设置；反射层，其连接于所述支撑层的内侧面；涂层，其设于所述支撑层的外侧面。本申请具有可承受超过1000℃高温热源的近距离热辐射，且其重量较轻，刚度较好的优点。

Description

一种轻质化防高温热辐射结构及防护层
技术领域
本申请涉及防高温热辐射设计技术领域，特别涉及一种轻质化防高温热辐射结构及防护层。
背景技术
防高温热辐射技术地面工业领域使用较为广泛，在导弹、运载火箭中使用较少，防高温热辐射结构可以大大降低被保护体受到的高温辐射。
通常防高温热辐射结构形式较为单一，难以兼顾轻质化、耐高温的要求，在导弹、火箭等领域难以发挥作用。
发明内容
本申请实施例提供一种轻质化防高温热辐射结构及防护层，以解决相关技术中防高温热辐射结构难以兼顾轻质化和耐高温的技术问题。
第一方面，提供了一种轻质化防高温热辐射结构，其包括：
支撑层，其包括骨架层，所述骨架层内部中空设置；
反射层，其连接于所述支撑层的内侧面；
涂层，其设于所述支撑层的外侧面。
一些实施例中，所述支撑层还包括填充层，所述填充层填充于所述骨架层内。
一些实施例中，该轻质化防高温热辐射结构还包括隔热层，所述隔热层设于所述涂层和所述支撑层之间，所述隔热层分别与所述涂层和所述支撑层连接。
一些实施例中，所述涂层包括反射涂层，所述反射涂层设于所述隔热层的外侧面。
一些实施例中，所述涂层还包括涂层基底，所述涂层基底连接于所述隔热层的外侧面，且所述反射涂层连接于所述涂层基底的外侧面。
一些实施例中，所述反射层包括多层金属箔。
一些实施例中，所述骨架层由钛合金板材焊接而成。
一些实施例中，所述填充层包括气凝胶。
一些实施例中，所述涂层基底包括石英布。
本申请提供的技术方案带来的有益效果包括：
本申请实施例提供了一种轻质化防高温热辐射结构，支撑层内的骨架层的设置，在减轻该结构重量的同时，提高了整个结构的刚度，减小了该结构工作过程中防热结构与高温热源接触导致防热结构破坏的可能，支撑层外侧面的反射涂层，其阻挡高温源的大部分热辐射，支撑层内侧面的反射层降低通过该结构的热辐射。该轻质化防高温热辐射结构不仅可承受超过1000℃高温热源的近距离热辐射，且其重量较轻，刚度较好，以便于在火箭、导弹中使用。
第二方面，提供了一种防护层，包括如上所述的轻质化防高温热辐射结构。
本申请的另一实施例提供的防护层采用上述的轻质化防高温热辐射结构，因而该防护层也具有上述轻质化防高温热辐射结构的有益效果，在此不再赘述。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的轻质化防高温热辐射结构的示意图。
图中：1、支撑层；101、骨架层；102、填充层；2、反射层；3、涂层；301、涂层基底；302、反射涂层；4、隔热层；5、高温源；6、被保护体。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例提供了一种轻质化防高温热辐射结构，其能解决相关技术中防高温热辐射结构难以兼顾轻质化和耐高温的技术问题。
一种轻质化防高温热辐射结构，其包括：
支撑层1，其包括骨架层101，所述骨架层101内部中空设置；
反射层2，其连接于所述支撑层1的内侧面；
涂层3，其设于所述支撑层1的外侧面。
参照图1，其中，该轻质化防高温热辐射结构包括支撑层1、反射层2和涂层3。反射层2和涂层3分别设于支撑层1的内外两侧。涂层3用于阻挡高温源5的大部分热辐射，反射层2用于降低高温源5对被保护体6的热辐射。该轻质化防高温热辐射结构使用时，位于被保护体6和高温源5之间，且轻质化防高温热辐射结构与高温源5和被保护体6之间均留有间隙。通过不与高温源5和被保护体6接触，而减小热传递的途径。
参照图1，支撑层1包括骨架层101，骨架层101内部中空设置，其为该结构的支撑部位，以维持该结构的正常形态。且骨架层101的中空结构，减轻了该结构的整体重量。
参照图1，该轻质化防高温热辐射结构使用时，先有涂层3阻挡高温源5的大部分热辐射，热量在支撑层1内衰减后，经过反射层2进一步减少穿过反射层2的热辐射，而对被保护体6进行保护，可起到延缓高温源5对被保护体6的加热、降低被保护体6温度的作用。
这样设置，支撑层1内的骨架层101的设置，在减轻该结构重量的同时，提高了整个结构的刚度，减小了该结构工作过程中防热结构与高温热源接触导致防热结构破坏的可能，支撑层1外侧面的反射涂层302，其阻挡高温源5的大部分热辐射，支撑层1内侧面的反射层2降低通过该结构的热辐射。该轻质化防高温热辐射结构不仅可承受超过1000℃高温热源的近距离热辐射，且其重量较轻，刚度较好，以便于在火箭、导弹中使用。
可选地，所述支撑层1还包括填充层102，所述填充层102填充于所述骨架层101内。
可选地，所述填充层102包括气凝胶。
参照图1，其中，支撑层1还包括填充层102，填充层102填充于骨架层101内，以增大支撑层1的热阻。填充层102包括低导热率层，本实施例中，填充层102优选为气凝胶，气凝胶填充至骨架层101后，增大了骨架层101的热阻，而降低了支撑层1的导热作用，而阻隔了热量，延缓高温源5对被保护体6的加热、降低被保护体6温度。
可选地，所述骨架层101由钛合金板材焊接而成。
参照图1，骨架层101由多块钛合金板材焊接而成，且骨架层101呈盒装设置。填充层102先预埋在骨架层101内，再将骨架层101焊接呈密封状，而使得填充层102处于骨架层101的内部，以此增大了骨架层101的热阻，限制了热量的传递。
可选地，该轻质化防高温热辐射结构还包括隔热层4，所述隔热层4设于所述涂层3和所述支撑层1之间，所述隔热层4分别与所述涂层3和所述支撑层1连接。
参照图1，其中，隔热层4位于涂层3和支撑层1之间，本申请中，隔热层4包括气凝胶，以此增大涂层3与支撑层1之间的热阻。隔热层4与骨架层101之间通过石英缝合固定。在骨架层101的表面预先开设有供石英线穿过的孔，而便于将隔热层4与支撑层1缝合固定在一起。隔热层4的设置，进一步增大了该轻质化防高温热辐射结构的热阻，降低了涂层3升温后对轻质化防高温热辐射结构的内部结构的导热作用。
可选地，所述涂层3包括反射涂层302，所述反射涂层302设于所述隔热层4的外侧面。
可选地，所述涂层3还包括涂层基底301，所述涂层基底301连接于所述隔热层4的外侧面，且所述反射涂层302连接于所述涂层基底301的外侧面。
可选地，所述涂层基底301包括石英布。
参照图1，其中，涂层3包括反射涂层302和涂层基底301，涂层基底301与隔热层4的外侧面缝合固定，反射涂层302喷涂附着于涂层基底301的外侧面。涂层3由于附着于涂层基底301上，因而当涂层3受到高温时，不易脱落。本实施例中，涂层基底301包括石英布，而反射涂层302包括氧化铱涂层3。通过将氧化铱涂层3附着在石英布上，而形成涂层3阻挡热辐射。
可选地，所述反射层2包括多层金属箔。
参照图1，其中，多层金属箔通过石英线缝合在支撑层1的内侧面。且多层金属箔之间通过钢丝相连。反射层2的多层反射作用可降低对保护体的热辐射。
综上所述，高温源5的热辐射先由涂层3进行阻挡，且隔热层4和支撑层1限制热传递，而延缓高温源5对被保护体6的加热，降低被保护体6温度，最后热辐射通过反射层2的多层反射作用，而降低了保护体收到的热辐射。
本申请的另一实施例提供一种防护层，包括如上所述的轻质化防高温热辐射结构。
在本申请的描述中，需要说明的是，术语“上”、“下”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申请和简化描述，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申请的限制。除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，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，可以根据具体情况理解上述术语在本申请中的具体含义。
需要说明的是，在本申请中，诸如“第一”和“第二”等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上所述仅是本申请的具体实施方式，使本领域技术人员能够理解或实现本申请。对这些实施例的多种修改对本领域的技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本申请的精神或范围的情况下，在其它实施例中实现。因此，本申请将不会被限制于本文所示的这些实施例，而是要符合与本文所申请的原理和新颖特点相一致的最宽的范围。

Claims (10)

1.一种轻质化防高温热辐射结构，其特征在于，其包括：
支撑层(1)，其包括骨架层(101)，所述骨架层(101)内部中空设置；
反射层(2)，其连接于所述支撑层(1)的内侧面；
涂层(3)，其设于所述支撑层(1)的外侧面。
2.根据权利要求1所述的轻质化防高温热辐射结构，其特征在于，所述支撑层(1)还包括填充层(102)，所述填充层(102)填充于所述骨架层(101)内。
3.根据权利要求2所述的轻质化防高温热辐射结构，其特征在于，还包括隔热层(4)，所述隔热层(4)设于所述涂层(3)和所述支撑层(1)之间，所述隔热层(4)分别与所述涂层(3)和所述支撑层(1)连接。
4.根据权利要求3所述的轻质化防高温热辐射结构，其特征在于，所述涂层(3)包括反射涂层(302)，所述反射涂层(302)设于所述隔热层(4)的外侧面。
5.根据权利要求4所述的轻质化防高温热辐射结构，其特征在于，所述涂层(3)还包括涂层基底(301)，所述涂层基底(301)连接于所述隔热层(4)的外侧面，且所述反射涂层(302)连接于所述涂层基底(301)的外侧面。
6.根据权利要求1所述的轻质化防高温热辐射结构，其特征在于，所述反射层(2)包括多层金属箔。
7.根据权利要求1所述的轻质化防高温热辐射结构，其特征在于，所述骨架层(101)由钛合金板材焊接而成。
8.根据权利要求2所述的轻质化防高温热辐射结构，其特征在于，所述填充层(102)包括气凝胶。
9.根据权利要求5所述的轻质化防高温热辐射结构，其特征在于，所述涂层基底(301)包括石英布。
10.一种防护层，其特征在于，包括如权利要求1至9中任一项所述的轻质化防高温热辐射结构。
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