WO2019169939A1 - 一种隐身防爆结构 - Google Patents

一种隐身防爆结构 Download PDF

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Publication number
WO2019169939A1
WO2019169939A1 PCT/CN2018/125124 CN2018125124W WO2019169939A1 WO 2019169939 A1 WO2019169939 A1 WO 2019169939A1 CN 2018125124 W CN2018125124 W CN 2018125124W WO 2019169939 A1 WO2019169939 A1 WO 2019169939A1
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Prior art keywords
skin
explosion
stealth
proof structure
structure according
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PCT/CN2018/125124
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English (en)
French (fr)
Inventor
刘若鹏
赵治亚
钱星宇
王思聪
胡涛
汪焱
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深圳光启尖端技术有限责任公司
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Priority claimed from CN201810194485.0A external-priority patent/CN110239661A/zh
Priority claimed from CN201820323901.8U external-priority patent/CN207955959U/zh
Application filed by 深圳光启尖端技术有限责任公司 filed Critical 深圳光启尖端技术有限责任公司
Publication of WO2019169939A1 publication Critical patent/WO2019169939A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers

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  • the present invention relates to a stealth explosion-proof structure, and more particularly to a stealth explosion-proof structure for use in the field of ships.
  • the existing ship island siding is mainly realized by the surface absorbing coating.
  • this method has a narrow absorption band for electromagnetic waves and poor stealth performance under wide-band electromagnetic waves; this method requires periodic spraying and repair of the absorbing coating, and its own absorbing coating additive (ferrite) Body/carbon, etc. are all substances with poor environmental resistance. In the marine environment, they are more prone to reaction and failures need to be repaired.
  • the stealth performance for specific bands is not ideal, and can only reach about 3 db (decibel). .
  • the existing ship siding deck connection and composite material connection adopts the cement form of integral hand lay-up FRP, or bolt connection such as glass fiber reinforced plastic sheet.
  • bolt connection such as glass fiber reinforced plastic sheet.
  • the skeleton structure and the inner and outer double layers of the siding are adopted.
  • This type of connection meets the requirements of strength, stability and safety.
  • the outer side is also subjected to the connection processing, it has a large influence on functional indexes such as stealth.
  • the present invention provides a stealth explosion-proof structure, which can have a certain anti-explosion performance while taking into account the stealth effect.
  • a stealth explosion-proof structure comprising: a strength support layer, an absorbing functional layer covering the strength support layer, and a permeable skin covering the absorbing functional layer; wherein the strength
  • the support layer includes an upper skin, a lower skin, and a plurality of adjacent lattice cores between the upper skin and the lower skin.
  • the lattice core includes: a plurality of first support portions, one end of each of the first support portions is connected to the lower skin; the intermediate portion is in the shape of a disk, and the other end of each of the first support portions Connected to the bottom surface of the intermediate portion, and each of the first support portions has an angle with the lower skin; the second support portion has one end connected to the upper skin and the other end connected to the top surface of the intermediate portion.
  • the strength support layer further includes an edge skin, the edge skin is configured as a C-shaped structure, the C-shaped structure including a first portion connected to the lower surface of the upper skin and a first portion connected to the upper surface of the lower skin Two parts.
  • the absorbing functional layer comprises a plurality of stacked sub- absorbing functional layers.
  • the number of sub-absorbent functional layers is four.
  • the stealth explosion-proof structure further includes: a connecting plate disposed in a vertical direction and connected to a boundary of a lower surface of the lower skin.
  • the stealth explosion-proof structure further includes: a quick release lock; wherein the connecting plate has an inner side surface, the inner side surface faces a lower area of the lower skin, and the quick release lock is coupled to the inner side surface by a quick release bolt.
  • the web further has an outer side surface opposite the inner side surface, the outer side surface having a drain groove extending in a horizontal direction, and the drain groove is provided with a sealant strip.
  • the transmissive skin is a fiberglass epoxy composite sheet.
  • the upper and lower skins are carbon fiber epoxy composite sheets.
  • the invention provides an integrated structural function component which has significant improvement in stealth performance, and at the same time takes into consideration the requirements of strength, explosion and environment.
  • the stealth explosion-proof structure of the present invention can be applied to the superstructure portion of a ship generally having stealth requirements, including but not limited to siding and deck, which can significantly improve the stealth performance of the composite superstructure in the ship field, and at the same time take into consideration the strength. , explosion, environment and other requirements.
  • FIG. 1 is a schematic view of a stealth explosion-proof structure according to an embodiment of the present invention.
  • FIG. 2 is a partially enlarged schematic view showing a stealth explosion-proof structure according to an embodiment of the present invention
  • FIG. 3 is a schematic view of an edge skin of a stealth explosion-proof structure in accordance with an embodiment of the present invention.
  • FIG. 4 is a schematic view showing a connection between a stealth explosion-proof structure and a hull frame according to an embodiment of the present invention
  • Figure 5 is a schematic view of the quick release lock of Figure 4.
  • FIG. 6 is a schematic view of a drain groove of a stealth explosion-proof structure according to an embodiment of the present invention.
  • the stealth explosion-proof structure 100 includes: a strength support layer 10, a wave absorbing functional layer 20 overlying the strength support layer 10, and a cover over the absorbing functional layer 20.
  • the above technical solution of the present invention provides an integrated structural function component which has a significant improvement in stealth performance, and at the same time takes into consideration the requirements of strength, explosion, environment and the like.
  • the stealth explosion-proof structure of the present invention can be applied to the superstructure portion of a ship generally having stealth requirements, including but not limited to siding and deck, which can significantly improve the stealth performance of the composite superstructure in the ship field, and at the same time take into consideration the strength. , explosion, environment and other requirements.
  • the strength support layer 10 is a classic split embedded lattice core.
  • the dot matrix core 16 includes a plurality of first supporting portions 162, one end of each of the first supporting portions 162 is connected to the lower skin 14; the intermediate portion 164, the intermediate portion 164 is in the shape of a disk, and each of the first supporting portions 162 The other end is connected to the bottom surface of the intermediate portion 164, and each of the first support portions 162 has an angle with the lower skin 14; the second support portion 166 has one end connected to the upper skin 12 and the other end connected to The top surface of the intermediate portion 164.
  • the transmissive skin 30 is a fiberglass epoxy composite sheet.
  • the upper skin 12 and the lower skin 14 are carbon fiber epoxy composite sheets.
  • the absorbing functional layer 20 includes a plurality of sub-absorbent functional layers stacked.
  • the transmissive skin 30 is a glass fiber epoxy composite sheet; the absorbing functional layer 20 employs a multi-layer sandwich absorbing structure comprising a plurality of sub-absorbent functional layers, and the maximum stealth effect can be reduced by 15 db.
  • the number of sub-absorbent functional layers is four.
  • four sub-absorber functional layer designs are used to achieve the stealth index requirement; and the intensity support layer is a classic split embedded dot matrix core 16.
  • the carbon fiber tube and the carbon fiber board can be formed separately, and then the carbon fiber tube and the carbon fiber board are rubber-sealed and combined into a lattice core 16, and then connected to the upper skin 12 and the lower skin 14 to achieve strength. The role of support.
  • the strength support layer 10 further includes an edge skin 18 configured as a C-shaped structure, the C-shaped structure including a first portion 182 and a lower skin 14 joined to the lower surface of the upper skin 12.
  • the upper portion is joined to the second portion 184.
  • the edge skin 18 further includes an edge portion 186 that is coupled between the first portion 182 and the second portion 184.
  • the edge skin 18 may be rubberized and joined by a carbon fiber C-type pultruded profile (or a layup), and the upper edge (first portion 182) of the edge skin 18 is cemented for sealing and joining; the lower edge (Part 2 184) is rubberized.
  • An edge reinforcement extension process can then be performed by wrapping a layer of 8 mm thick carbon fiber skin (not shown) over the overall strength support layer to provide reinforcement.
  • the stealth explosion-proof structure of the present invention may further include a connecting plate 40 which is disposed in the vertical direction and connected to the boundary of the lower surface of the lower skin 14.
  • a connecting plate 40 which is disposed in the vertical direction and connected to the boundary of the lower surface of the lower skin 14.
  • the stealth explosion-proof structure of the present invention further includes a quick release lock 50; wherein the connecting plate 40 has an inner side surface 42, the inner side surface 42 faces the lower area of the lower skin, and the quick release lock 50 is quickly unloaded.
  • the bolts are attached to the inside surface 42.
  • the quick release lock 50 is connected on one side of the hull frame 200 to be connected.
  • the hull frame 200 structure is coupled by a plurality of load-bearing quick release locks 50. The hole position can be pre-punched on the inner side surface 42 of the connecting plate 40.
  • the two sides of the quick release lock 50 are riveted to the inner side surface 42 of the connecting plate 40, and the through hole is arranged in the middle, and the quick release bolt connects the hull frame 200 and the connecting plate 40.
  • the secondary disassembly can achieve the purpose of quick disassembly repair and replacement by only disassembling the quick release bolt of the quick release lock 50.
  • the connecting plate 40 may further have an outer side surface 44 opposite to the inner side surface 42, and the outer side surface 44 has a drain groove 50 extending in a horizontal direction, and a sealing strip (not shown) is disposed in the drain groove 50.
  • the web 40 can be provided with a 3 mm deep drain groove 50 at the intermediate position of the outer side surface 44 for drainage. When repairing, the sealing strip can be taken out for drainage. After the water is drained, the sealing strip is sealed to achieve the sealing effect.

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Abstract

一种隐身防爆结构（100），包括强度支撑层（10）、覆盖在强度支撑层（10）上方的吸波功能层（20）、以及覆盖在吸波功能层（20）上方的透波蒙皮（30）；其中，强度支撑层（10）包括上蒙皮（12）、下蒙皮（14）、以及位于上蒙皮（12）和下蒙皮（14）之间的多个相邻的点阵芯子（16）。该隐身防爆结构（100）显著提升了隐身性能，同时兼顾强度、爆炸、环境等要求。

Description

一种隐身防爆结构 技术领域
本发明涉及一种隐身防爆结构，更具体地，涉及一种用于舰船领域的隐身防爆结构。
背景技术
现有的舰岛壁板隐身主要靠表层吸波涂层来实现。
但是，该方法对电磁波的吸收波段范围较窄，在宽波段的电磁波下隐身性能较差；该方法需要定期进行吸波涂层的喷涂和修补，而且本身吸波涂层的添加物(铁氧体/碳等)都属于耐环境性较差的物质，在海洋环境下更是容易发生反应而失效需要修补；针对具体波段的隐身性能也并不理想，只能达到大约3db(分贝)的程度。
另外，现有的舰船用壁板甲板等连接及复合材料连接采取整体手糊玻璃钢的胶结形式，或者诸如有玻璃钢加强片的螺栓连接，在壁板处，采用骨架结构和壁板内外双层螺栓连接(或焊接)。这种连接形式能够满足强度、稳定性、安全性上的要求。但是由于外侧也要进行连接处理，因此对隐身等功能性指标会产生较大影响。
发明内容
针对相关技术中的上述问题，本发明提出一种隐身防爆结构，能够在兼顾隐身效果同时，还具有一定的抗爆性能。
本发明的技术方案是这样实现的：
根据本发明的一个方面，提供了一种隐身防爆结构，包括：强度支撑层、覆盖在强度支撑层上方的吸波功能层、以及覆盖在吸波功能层上方的透波蒙皮；其中，强度支撑层包括上蒙皮、下蒙皮、以及位于上蒙皮和下蒙皮之间的多个相邻的点阵芯子。
在一个实施例中，点阵芯子包括：多个第一支撑部，各个第一支撑部的一端连接至下蒙皮；中间部，中间部为圆盘形状，各个第一支撑部的另一端连接至中间部的底面，并且各个第一支撑部与下蒙皮具有夹角；第二支撑部，第二支撑部的一端连接至上蒙皮，另一端连接至中间部的顶面。
在一个实施例中，强度支撑层还包括边缘蒙皮，边缘蒙皮构造为C型结构，C型结构包括与上蒙皮的下表面连接的第一部分和与下蒙皮的上表面连接的第二部分。
在一个实施例中，吸波功能层包括叠置的多个子吸波功能层。
在一个实施例中，子吸波功能层的数量为四个。
在一些实施例中，隐身防爆结构还包括：连接板，连接板沿竖直方向设置并连接至下蒙皮的下表面的边界处。
在一些实施例中，隐身防爆结构还包括：还包括快卸锁；其中，连接板具有内侧表面，内侧表面朝向下蒙皮的下方区域，快卸锁通过快卸螺栓连接在内侧表面上。
在一个实施例中，连接板还具有与内侧表面相对的外侧表面，外侧表面上具有沿水平方向延伸的排水槽，排水槽内设置有密封胶条。
在一些实施例中，透波蒙皮为玻璃纤维环氧复合材料板。
在一些实施例中，上蒙皮和下蒙皮为碳纤维环氧复合材料板。
本发明提供了一种隐身性能有显著提升、同时兼顾强度、爆炸、环境等要求的一体化结构功能件。本发明的隐身防爆结构可以应用于一般有隐身要求的舰船的上层建筑部分，包含但不限于壁板、甲板，能够使得舰船领域复合材料上层建筑的隐身性能有显著提升，并且同时兼顾强度、爆炸、环境等要求。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例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发明的一些实施例，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是根据本发明实施例的隐身防爆结构的示意图；
图2是根据本发明实施例的隐身防爆结构的局部放大示意图；
图3是根据本发明实施例的隐身防爆结构的边缘蒙皮的示意图；
图4是根据本发明实施例的隐身防爆结构与船体框架连接的示意图；
图5是图4中的快卸锁的示意图；
图6是根据本发明实施例的隐身防爆结构的排水槽的示意图。
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所获得的所有其他实施例，都属于本发明保护的范围。
结合图1和图2所示，根据本发明实施例的隐身防爆结构100包括：强度支撑层10、覆盖在强度支撑层10上方的吸波功能层20、以及覆盖在吸波功能层20上方的透波蒙皮30；其中，强度支撑层10包括上蒙皮12、下蒙皮14、以及位于上蒙皮12和下蒙皮14之间的多个相邻的点阵芯子16。
本发明的上述技术方案，提供了一种隐身性能有显著提升、同时兼顾强度、爆炸、环境等要求的一体化结构功能件。本发明的隐身防爆结构可以应用于一般有隐身要求的舰船的上层建筑部分，包含但不限于壁板、甲板，能够使得舰船领域复合材料上层建筑的隐身性能有显著提升，并且同时兼顾强度、爆炸、环境等要求。
如图2所示，强度支撑层10采用的是经典的分体嵌入式点阵芯子。其中，点阵芯子16包括：多个第一支撑部162，各个第一支撑部162的一端连接至下蒙皮14；中间部164，中间部164为圆盘形状，各个第一支撑部162的另一端连接至中间部164的底面，并且各个第一支撑部162与下蒙皮14具有夹角；第二支撑部166，第二支撑部166的一端连接至上蒙皮12，另一端连接至中间部164的顶面。通过设置包括点阵芯子16的强度支撑层10，能满足强度指标和抗爆等性能要求。
在一些实施例中，透波蒙皮30为玻璃纤维环氧复合材料板。
在一些实施例中，上蒙皮12和下蒙皮14为碳纤维环氧复合材料板。
继续参考图1和图2所示，吸波功能层20包括叠置的多个子吸波功能层。在一个实施例中，透波蒙皮30采用玻璃纤维环氧复合材料板；吸波功能层20采用包括多个子吸波功能层的多层夹芯吸波结构，最大隐身效果可以降低15db。
在图2所示的实施例中，子吸波功能层的数量为四个。在本实施例中，采用了四个子吸波功能层设计来达到隐身的指标要求；而强度支撑层采用的是经典的分体嵌入式点阵芯子16。具体地，可通过分体成型碳纤维管材和碳纤维板，然后将碳纤维管材和碳纤维板胶铆在一起组合成点阵芯子16，然后再和上蒙皮12、下蒙皮14连接，以达到强度支撑的作用。
如图3所示，强度支撑层10还包括边缘蒙皮18，边缘蒙皮18构造为C型结构，C型结构包括与上蒙皮12的下表面连接的第一部分182和与下蒙皮14的上表面连接的第二部分184，另外，边缘蒙皮18还包括连接在第一部分182和第二部分184之间的边缘部分186。具体地，边缘蒙皮18可以用碳纤维C型拉挤型材(或者铺贴件)进行胶铆连接，边缘蒙皮18的上边缘(第一部分182)进行胶结，起到密封和连接作用；下边缘(第二部分184)进行胶铆。然后还可以进行边缘加强延伸处理，即在整体强度支撑层外包袱一层8mm厚的碳纤维蒙皮(未示出)，以起到连接加强的作用。
结合图3和图4所示，本发明的隐身防爆结构还可以包括连接板40，连接板40沿竖直方向设置并连接至下蒙皮14的下表面的边界处。通过设置连接板40，实现了隐身防爆结构的连接结构设计，能够在满足连接强度、疲劳等性能指标时，还能方便拆卸，满足基层级维修要求；该连接板40对舰船领域复合材料上层建筑的隐身性能影响最小，同时还能满足装配方面的强度、稳定性、安全性、拆卸维护等要求。
结合图4和图5所示，本发明的隐身防爆结构还包括快卸锁50；其中，连接板40具有内侧表面42，内侧表面42朝向下蒙皮的下方区域，快卸锁50通过快卸螺栓连接在内侧表面42上。在本实施例中，快卸锁50是在需 要连接的船体框架200单侧进行连接。在一些实施例中，通过多个承力的快卸锁50与船体框架200结构进行连接。可在连接板40的内侧表面42预先打好孔位，快卸锁50两边耳片铆接在连接板40的内侧表面42，中间配打通孔，快卸螺栓连接船体框架200和连接板40，每次拆卸可以通过只拆卸快卸锁50的快卸螺栓，达到快速拆卸维修更换的目的。
如图6所示，连接板40还可以具有与内侧表面42相对的外侧表面44，外侧表面44上具有沿水平方向延伸的排水槽50，排水槽50内设置有密封胶条(未示出)。连接板40可在外侧表面44的中间位置预留3mm深的排水槽50，用于排水。维修时候可以取出密封胶条进行排水，待水排净以后再封上密封胶条，达到密封效果。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种隐身防爆结构，其特征在于，包括：强度支撑层、覆盖在所述强度支撑层上方的吸波功能层、以及覆盖在所述吸波功能层上方的透波蒙皮；
    其中，所述强度支撑层包括上蒙皮、下蒙皮、以及位于所述上蒙皮和所述下蒙皮之间的多个相邻的点阵芯子。
  2. 根据权利要求1所述的隐身防爆结构，其特征在于，所述点阵芯子包括：
    多个第一支撑部，各个第一支撑部的一端连接至所述下蒙皮；
    中间部，所述中间部为圆盘形状，各个第一支撑部的另一端连接至中间部的底面，并且各个第一支撑部与所述下蒙皮具有夹角；
    第二支撑部，第二支撑部的一端连接至所述上蒙皮，第二支撑部的另一端连接至中间部的顶面。
  3. 根据权利要求1所述的隐身防爆结构，其特征在于，所述强度支撑层还包括边缘蒙皮，所述边缘蒙皮构造为C型结构，C型结构的所述边缘蒙皮包括与上蒙皮的下表面连接的第一部分和与所述下蒙皮的上表面连接的第二部分。
  4. 根据权利要求1所述的隐身防爆结构，其特征在于，所述吸波功能层包括叠置的多个子吸波功能层。
  5. 根据权利要求4所述的隐身防爆结构，其特征在于，所述子吸波功能层的数量为四个。
  6. 根据权利要求1所述的隐身防爆结构，其特征在于，还包括：连接板，所述连接板沿竖直方向设置并连接至下蒙皮的下表面的边界处。
  7. 根据权利要求6所述的隐身防爆结构，其特征在于，还包括快卸锁；
    其中，所述连接板具有内侧表面，所述内侧表面朝向所述下蒙皮的下方区域，所述快卸锁通过快卸螺栓连接在所述内侧表面上。
  8. 根据权利要求7所述的隐身防爆结构，其特征在于，所述连接板还具有与所述内侧表面相对的外侧表面，所述外侧表面上具有沿水平方向延 伸的排水槽，所述排水槽内设置有密封胶条。
  9. 根据权利要求1所述的隐身防爆结构，其特征在于，所述透波蒙皮为玻璃纤维环氧复合材料板。
  10. 根据权利要求1所述的隐身防爆结构，其特征在于，所述上蒙皮和所述下蒙皮为碳纤维环氧复合材料板。
PCT/CN2018/125124 2018-03-09 2018-12-29 一种隐身防爆结构 WO2019169939A1 (zh)

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CN103950259A (zh) * 2014-05-13 2014-07-30 北京大学 一种复合材料耐火承载一体化点阵结构及其制备方法
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