CN104776755A - Bionic flexible protective gear - Google Patents
Bionic flexible protective gear Download PDFInfo
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- CN104776755A CN104776755A CN201510183347.9A CN201510183347A CN104776755A CN 104776755 A CN104776755 A CN 104776755A CN 201510183347 A CN201510183347 A CN 201510183347A CN 104776755 A CN104776755 A CN 104776755A
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Abstract
The invention discloses a bionic flexible protective gear, which comprises bulletproof fiber fabrics, a bulletproof fiber pocket and composite scales sewed in the bulletproof fiber pocket, the composite scales in the bulletproof fiber pocket are sewed between the upper layer of bulletproof fiber fabric and the lower layer of bulletproof fiber fabric in a way that the composite scales are staggerly overlapped row by row in the bulletproof fiber pocket, and when staggerly overlapped row by row, the composite scales have a certain inclination angle. By adopting the structure, the bionic flexible protective gear can effectively resist the effect of a high-speed bullet or explosion fragments.
Description
Technical field
The present invention relates to a kind of Bionic flexible protective gear.
Background technology
After cold war terminates, traditional extensive, the attacking and defending operation of high strength battlefield reduce relatively.But answer region controversial issue, anti-terrorism, peacekeeping demand, lasting minor operation cannot be avoided.Because the time is lasting, the risk that soldier is attacked by infantry's small arms projectile and fragmentation increases day by day, its danger is even higher than the military operation of extensive battlefield sometimes, the U.S. is after the main military operation of Iraq terminates, soldier suffers to attack during the number of casualties caused will be much higher than main war-like action, just describes this point undoubtedly.In order to protect soldier's life security, maintaining army's morale and fighting capacity and ensureing to take action successfully, it is particularly important that preparation has multi-functional individual soldier's ballistic protection equipment.
For individual soldier's flak jackets, not only need to possess shellproof, anti-fragmentation, anti-stab, fire prevention, shock resistance obtain ability, also need avoid flak jackets generation moderate finite deformation and cause non-through damage, ensure that flexibility is also the key factor of raising soldier mobility.Current individual soldier protection equipment mainly can be divided three classes: soft protective gear, hard protection equipment and composite protective equipment.The metals such as hard protection equipment main special steel, aluminium alloy make bullet resistant material, although this kind of protective gear effectively can keep out bullet, dressing is heavy, uncomfortable, and adopts hard ceramic, will produce a large amount of fragment, possible output secondary injury; Soft protective gear, lightly hidden, fit property is good, but large by distortion after bullet hits, easily produces non-through damage, and can not play effective protective action to the puncture of cutter.The third composite protective equipment is the direction that countries nowadays is mainly developed, namely the hard steel plate utilizing deformation modulus large, pottery and soft, comfort level fabric combination better, but current composite protective equipment mostly is monoblock bulletproof flashboards, do not meet human design, namely be not easy to action operation, and four limbs protection cannot be applied.
Summary of the invention
The invention reside in and a kind of Bionic flexible protective gear of effectively keeping out high velocity bullet or bomb fragments is provided.
To achieve these goals, technical scheme of the present invention is a kind of Bionic flexible protective gear, it is characterized in that: it comprises ballistic fiber cloth, ballistic fiber pocket, be sewn to the compound scale in described ballistic fiber pocket, compound scale in described ballistic fiber pocket is made between upper and lower two-layer described ballistic fiber cloth by the staggered superposition by row of described ballistic fiber pocket, has certain angle of inclination during the staggered superposition by row of described compound scale.
Preferably technical scheme of the present invention can also be described compound scale is inside and outside double-layer structure, described compound scale skin is high-performance ceramic layer or light-duty ballistic performance alloy-layer, described compound scale internal layer is high performance ballistic fibrage, outer and the compound scale internal layer of described compound scale, by the larger shellproof glue bond of toughness, the outer wall of described compound scale is coated with shellproof glue.
Preferably technical scheme of the present invention can also be described compound scale is the two-way cake arched upward, compound scale is outer is 3:2 with compound scale internal layer Thickness Ratio, the diameter of described compound scale cake is 50-52 mm, interior thickness is 6.2-6.6 mm, thickness of two sides is 3.3-3.5 mm, and high-performance ceramic layer described in compound scale skin is carborundum (SiC) layer or boron carbide (B
4c) layer, described light-duty ballistic performance alloy-layer is titanium alloy layer, high performance ballistic fibrage described in compound scale internal layer be arranged on innermost layer High molecular weight polyethylene non-woven fabrics and be arranged on the outer field Kafra fiber fabric of described High molecular weight polyethylene non-woven fabrics, the thickness of described High molecular weight polyethylene non-woven fabrics is 4 mm, and the thickness of described High molecular weight polyethylene non-woven fabrics and Kafra fiber fabric is 5 mm.
Be preferably technical scheme of the present invention can also be each described compound scale and periphery six compound scales interlock superpose, the coverage rate of the compound scale of six described compound scale covering centers is 0.34%, and angle of inclination when described compound scale superposes mutually is 15.
The invention has the beneficial effects as follows this Bionic flexible protective gear, it comprises ballistic fiber cloth, ballistic fiber pocket, be sewn to the compound scale in described ballistic fiber pocket, compound scale in described ballistic fiber pocket is made between upper and lower two-layer described ballistic fiber cloth by the staggered superposition by row of described ballistic fiber pocket, has certain angle of inclination during the staggered superposition by row of described compound scale, measure-alike compound scale is adopted to carry out superposition design, compound scale is designed to two-layer or three layers according to degree of protection, the high performance ballistic pottery that outside one deck (or two-layer) adopts hardness high or light-duty shellproof alloy, innermost layer then adopts flexible high performance ballistic fiber cloth (fabric), the shellproof glue that compound scale ectonexine toughness is larger bonds, compound scale side also scribbles the shellproof glue of one deck, to produce the fragment of dispersion after preventing ceramic fracture, then compound scale is sewn in ballistic fiber pocket, and press the staggered superposition by row of fish scale coverage mode, finally be sewn between upper and lower two-layer ballistic fiber cloth (fabric), ensure effective transmission of power between compound scale, because ballistic fiber cloth (fabric) has good deformability, simultaneously can locally movement between compound scale, ensure that whole protective gear can be out of shape flexibly.Compound scale has certain thickness in addition, and when therefore compound scale superposes mutually, compound scale has certain inclination, when bullet is got on the compound scale of inclination, will deflect; Like this, the present invention compared with existing protective gear, not only overcome the heaviness of conventional rigid protective gear and the distortion of flexible protective equipment greatly, the not shortcoming such as cut resistant, and change the single structure of ballistic resistant sheet in traditional defense equipment innovatively.Use for reference the multistage Energy Dissipation Mechanism of nature flap, have employed more efficiently hierarchy, namely skin is hard ceramic, and internal layer is lightweight bulletproof fiber cloth (fabric), then superposes with the periodic arrangement of compound flake type, be sewn in upper and lower two-layer ballistic fiber cloth (fabric).This design not only has lightweight, fit, cut resistant, distortion advantage that is little, that injure without secondary fragmentation concurrently, and the stacked system of compound flakey ballistic resistant sheet gives greater flexibility, more diversified combined covering form, ensure that good compatibility of deformation and flexibility.Meanwhile, compound flakey ballistic resistant sheet tilts at an angle, can effectively reduce the frontal impact of body, and the mutually folded mistake of compound scale also can make impact energy be delivered to adjacent compound scale, thus reduces to concentrate due to stress the impact failure caused; Thus achieve the effect effectively can keeping out high velocity bullet or bomb fragments.
Accompanying drawing explanation
Fig. 1 protective gear overall structure schematic diagram
Fig. 2 single compound scale structure schematic diagram
Fig. 3 compound scale superposition coverage diagram;
Fig. 4 compound scale superposition side view;
1-ballistic fiber cloth in Fig. 1-4,2-compound scale, 3-compound scale is outer, 4-compound scale internal layer, 5-bullet mould, 6-compound scale cone of coverage
1, 7-compound scale inclination angle
2.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described:
embodiment 1:
Specific embodiments of the invention are described in detail below in conjunction with accompanying drawing.
According to Fig. 1-4, the present invention relates to a kind of Bionic flexible protective gear, it comprises ballistic fiber cloth 1, ballistic fiber pocket, be sewn to the compound scale 2 in described ballistic fiber pocket, compound scale 2 in described ballistic fiber pocket is made between upper and lower two-layer described ballistic fiber cloth 1 by the staggered superposition by row of described ballistic fiber pocket, has certain angle of inclination during the staggered superposition by row of described compound scale 2
27; Described compound scale 2 is the two-way cake arched upward, compound scale outer 3 is 3:2 with compound scale internal layer 4 Thickness Ratio, the diameter of described compound scale cake is 50-52 mm, interior thickness is 6.2-6.6 mm, thickness of two sides is 3.3-3.5 mm, and high-performance ceramic layer described in compound scale skin 3 is carborundum (SiC) layer or boron carbide (B
4c) layer, described light-duty ballistic performance alloy-layer is titanium alloy layer, high performance ballistic fibrage described in compound scale internal layer 4 be arranged on innermost layer High molecular weight polyethylene non-woven fabrics and be arranged on the outer field Kafra fiber fabric of described High molecular weight polyethylene non-woven fabrics, the thickness of described High molecular weight polyethylene non-woven fabrics is 4 mm, and the thickness of described High molecular weight polyethylene non-woven fabrics and Kafra fiber fabric is 5 mm; Each described compound scale and periphery six compound scales are staggered to be superposed, and the coverage rate of the compound scale of six described compound scale covering centers is 0.34%, angle of inclination when described compound scale superposes mutually
2be 15; Specifically: Fang Hu Body system provided by the invention is made up of two parts, compound scale, scale covers; Compound scale adopts hard material and soft material to design by certain thickness ratio; Compound scale layer materials is selected according to degree of protection; Compound scale is designed to two-layer, and compound scale is outer is 3:2 with compound scale internal layer Thickness Ratio; In order to reduce the gap produced after adjacent compound scale superposes, outer adopt two-wayly to arch upward, high-performance ceramic (carborundum that hardness is high, aluminium oxide, boron carbide) cake, for carborundum, the diameter of compound scale cake is 50-52 mm, interior thickness is 6.2-6.6 mm, and thickness of two sides is 3.3-3.5 mm, and being preferably compound scale cake diameter is 51 mm, interior thickness is 6.4 mm, and thickness of two sides is 3.4 mm.Internal layer then adopts flexible ballistic-resistant fiber cloth (fabric), and Dupont Kev can be adopted to draw (Kevlar) fiber, the DYNEEMA that Dutch DSM sells, the ZYLON that Japanese Roobo sells or domestic ultra-high molecular weight polyethylene non-woven fabrics.According to ectonexine Thickness Ratio, reach America NI J III level ballistic standard, internal layer adopts ultra-high molecular weight polyethylene nonwoven thickness to should be 4 mm, but because outer Ceramic Composite scale only has interior thickness to be 6.4 mm, on limit, thickness is but 3.4mm, therefore inner fiber thickness is about 5 mm, adopts other fibers to need increase according to actual conditions or reduce its thickness.Reach America NI J III level ballistic standard, in general, the outer bulletproof ceramic adopting sinter molding, the identical shellproof grade metal alloy price material benefit of cost ratio, and also weight ratio titanium alloy is light.The preparation method of internal layer, is cut into 51.2 mm toroidals by fiber cloth (fabric) usually, then adopts hot-formingly to prepare the cake that thickness is 5 mm.Do not use any adhesive between fiber cloth (fabric), to prevent fabric from hardening, affect its flexural deformation.Between compound scale internal layer and composite skins, and the shellproof glue that compound scale side then uses caking property strong.The outer field rigid brittle pottery of this compound scale makes bullet passivation, consumes most of energy, and internal layer soft ballistic fabric has high strength and high-modulus, can produce moderate finite deformation, also plays dissipation energy, prevents the effect that potsherd flies out.
Compound flakey ballistic resistant sheet adopts the Combination Design of silicon carbide ceramics and ultra-high molecular weight polyethylene non-woven fabrics, compared with adopting the ballistic resistant sheet of single silicon carbide ceramics, can reduce 12% meeting surface density under identical degree of protection (NIJ-III) condition.In order to ensure between compound scale effectively to cover and can locally movement, compound scale is sewn onto in the tiny pocket that bulletproof cloth makes, according to certain coverage mode (as Fig. 3), compound scale is sewn in upper and lower two-layer ballistic fabric, thus prepare complete protective gear, compound scale superposition side view is as shown in Figure 4.Each compound scale and the effect of periphery six compound scales, in order to reduce gap between compound scale, any one compound scale is compound scale cone of coverage from the center of circle and the angle of capped compound scale intersection point
1the coverage rate of the compound scale of 6, six compound scale covering centers is 0.34%.Mutually superpose covering between compound scale, under upper and lower two-layer ballistic fabric connects, make the impulsive force of bullet be diffused into rapidly multiple adjacent scale.In addition, scale has certain thickness, and when mutually superposing, having certain angle of inclination is 15, and scale surface is by certain radian design, and when bullet 5 is got on the compound scale of inclination, will deflect, bullet 5 is possible vertical impact compound scale hardly.Therefore single scale size, outer and internal layer Thickness Ratio, replace mode and angle of inclination are depended in the design of this bionical protective gear, can carry out flexible design according to actual degree of protection and Material selec-tion.
Compared with the design of other protective gears, protective gear in this patent only has compound scale to prepare employing adhesive, compound scale parcel and and substrate fabric between all adopt suture way, adhesive can be avoided to affect flexibility and the gas permeability of fabric, ensure the global comfort of equipment.Based on the present invention-a kind of Bionic flexible protective gear of above-mentioned design, Bionic Design is carried out by the hierarchy and replace mode of using for reference flap, both current flak jackets had been remained effectively shellproof, anti-stab, the advantages such as anti-fragment, have again good flexibility, can carry out design preparation according to the different human body bodily form, and can four limbs be applied to, the protection of neck.
Cover arrangement mode from the design of nature fish single scale multilevel hierarchy and many scales to gain enlightenment, the light-duty composite protective equipment of a kind of Novel bionic is proposed, overcome that conventional rigid protective gear is thick and heavy, the distortion of take action dumb, easy generation secondary fragmentation and soft protective gear greatly, the defect of not cut resistant, and effectively ensure that the compatibility of deformation performance of two kinds of larger materials of stiffness difference.We will use current high performance material, and the mechanism of, microstructure grand based on fish scale, provides a kind of fish scale and cover FE Tiler shape protective gear design.This bionical flak jackets not by under penetrativity in guarantee, also will have pliability and be out of shape little feature, ensures soldier's mobility and avoids non-through damage occurs.
Just preferred embodiment of the present invention described in this description, above embodiment is only for illustration of technical scheme of the present invention but not limitation of the present invention.All those skilled in the art, all should be within the scope of the present invention under this invention's idea by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (4)
1. a Bionic flexible protective gear, it is characterized in that: it comprises ballistic fiber cloth, ballistic fiber pocket, be sewn to the compound scale in described ballistic fiber pocket, compound scale in described ballistic fiber pocket is made between upper and lower two-layer described ballistic fiber cloth by the staggered superposition by row of described ballistic fiber pocket, has certain angle of inclination during the staggered superposition by row of described compound scale.
2. Bionic flexible protective gear according to claim 1, it is characterized in that: described compound scale is inside and outside double-layer structure, described compound scale skin is high-performance ceramic layer or light-duty ballistic performance alloy-layer, described compound scale internal layer is high performance ballistic fibrage, outer and the compound scale internal layer of described compound scale, by the larger shellproof glue bond of toughness, the outer wall of described compound scale is coated with shellproof glue.
3. Bionic flexible protective gear according to claim 2, it is characterized in that: described compound scale is the two-way cake arched upward, compound scale is outer is 3:2 with compound scale internal layer Thickness Ratio, the diameter of described compound scale cake is 50-52 mm, interior thickness is 6.2-6.6 mm, thickness of two sides is 3.3-3.5 mm, and high-performance ceramic layer described in compound scale skin is carborundum (SiC) layer or boron carbide (B
4c) layer, described light-duty ballistic performance alloy-layer is titanium alloy layer, high performance ballistic fibrage described in compound scale internal layer be arranged on innermost layer High molecular weight polyethylene non-woven fabrics and be arranged on the outer field Kafra fiber fabric of described High molecular weight polyethylene non-woven fabrics, the thickness of described High molecular weight polyethylene non-woven fabrics is 4 mm, and the thickness of described High molecular weight polyethylene non-woven fabrics and Kafra fiber fabric is 5 mm.
4. according to the arbitrary described Bionic flexible protective gear of claim 1-3, it is characterized in that: each compound scale and periphery six compound scales are staggered to be superposed, the coverage rate of the compound scale of six described compound scale covering centers is 0.34%, and angle of inclination when described compound scale superposes mutually is 15.
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| CN201510183347.9A CN104776755A (en) | 2015-04-17 | 2015-04-17 | Bionic flexible protective gear |
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| CN201510183347.9A CN104776755A (en) | 2015-04-17 | 2015-04-17 | Bionic flexible protective gear |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362172A (en) * | 2018-03-06 | 2018-08-03 | 中祎防护科技有限公司 | A kind of comfort type flak jackets |
| CN110695980A (en) * | 2019-09-29 | 2020-01-17 | 上海交通大学 | Pneumatic artificial muscle with scale protection structure |
| CN110895121A (en) * | 2019-12-19 | 2020-03-20 | 湖南大学 | Flexible protection harness for limbs and preparation method thereof |
| CN112174672A (en) * | 2020-09-03 | 2021-01-05 | 香河星通科技有限公司 | Preparation method of boron carbide composite ceramic plate and bulletproof flashboard |
| CN113883964A (en) * | 2021-09-26 | 2022-01-04 | 军事科学院系统工程研究院军需工程技术研究所 | Scale composite armor body |
| CN114668211A (en) * | 2022-03-03 | 2022-06-28 | 江苏大学 | Energy-absorbing buffer layer and armor device of terrapin-like microstructure and preparation method |
| CN115093208A (en) * | 2022-07-22 | 2022-09-23 | 北京理工大学 | Deformable bionic ceramic/polymer composite protective material and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362172A (en) * | 2018-03-06 | 2018-08-03 | 中祎防护科技有限公司 | A kind of comfort type flak jackets |
| CN110695980A (en) * | 2019-09-29 | 2020-01-17 | 上海交通大学 | Pneumatic artificial muscle with scale protection structure |
| CN110895121A (en) * | 2019-12-19 | 2020-03-20 | 湖南大学 | Flexible protection harness for limbs and preparation method thereof |
| CN112174672A (en) * | 2020-09-03 | 2021-01-05 | 香河星通科技有限公司 | Preparation method of boron carbide composite ceramic plate and bulletproof flashboard |
| CN113883964A (en) * | 2021-09-26 | 2022-01-04 | 军事科学院系统工程研究院军需工程技术研究所 | Scale composite armor body |
| CN113883964B (en) * | 2021-09-26 | 2022-07-01 | 军事科学院系统工程研究院军需工程技术研究所 | Scale composite armor body |
| CN114668211A (en) * | 2022-03-03 | 2022-06-28 | 江苏大学 | Energy-absorbing buffer layer and armor device of terrapin-like microstructure and preparation method |
| CN115093208A (en) * | 2022-07-22 | 2022-09-23 | 北京理工大学 | Deformable bionic ceramic/polymer composite protective material and preparation method thereof |
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Application publication date: 20150715 |