CN112781446B - Intelligent protective armor with damage feedback function and preparation method thereof - Google Patents

Intelligent protective armor with damage feedback function and preparation method thereof Download PDF

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Publication number
CN112781446B
CN112781446B CN202011590703.6A CN202011590703A CN112781446B CN 112781446 B CN112781446 B CN 112781446B CN 202011590703 A CN202011590703 A CN 202011590703A CN 112781446 B CN112781446 B CN 112781446B
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optical fiber
layer
laminated
protection plate
plating layer
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CN112781446A (en
Inventor
刘斌
王子琪
王宇
李忠华
郝俊辉
潘洪洋
赵文娟
王艳坤
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North University of China
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North University of China
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H7/00—Armoured or armed vehicles
    • F41H7/02—Land vehicles with enclosing armour, e.g. tanks
    • F41H7/04—Armour construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/42—Coatings containing inorganic materials
    • C03C25/46—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0442—Layered armour containing metal
    • F41H5/0457—Metal layers in combination with additional layers made of fibres, fabrics or plastics
    • F41H5/0464—Metal layers in combination with additional layers made of fibres, fabrics or plastics the additional layers being only fibre- or fabric-reinforced layers

Abstract

The invention relates to an intelligent protective armor with a damage feedback function and a preparation method thereof, and belongs to the technical field of intelligent armor protection. The protective armor comprises a laminated protection plate and a sensing unit system uniformly distributed in the laminated protection plate, wherein the sensing unit system is formed by arranging a plurality of single-layer optical fibers and a plurality of multi-layer optical fibers, the adjacent intervals of the optical fibers are smaller than the penetration inner diameter, the optical fibers are uniformly distributed in the laminated protection plate, the part of the optical fibers covered by the laminated protection plate is provided with a metal coating, and the exposed part of the optical fibers is connected into a sensing signal detection system consisting of a spectrometer. The intelligent protective armor with the damage depth feedback function is scientific in design, novel in structure and convenient to use, adopts the iron/aluminum-based amorphous laminated composite material protection plate as the metal laminated protection plate, adopts the silicon dioxide optical fiber as the sensing unit, and can feed back the damage depth in real time by detecting the running condition of the integral optical fiber.

Description

Intelligent protective armor with damage feedback function and preparation method thereof
Technical Field
The invention relates to the technical field of intelligent armor protection, in particular to an intelligent protective armor with a damage feedback function and a preparation method thereof.
Background
According to the analysis of the past battle cases, a set of rapid and accurate battle field evaluation system can greatly promote the winning of the battle, and in the technical field of armor protection, researches on real-time damage degree feedback of armor are still fresh; at present, the operation of an armor carrier is required to be stopped firstly in the armor damage assessment, after the carrier is stopped, a detector detects the armor carrier damage condition manually, compares a damage manual, and assesses the armor actual damage condition, so that the continuous combat ability, the survivability and the counterattack ability of the combat vehicle are assessed, the manual detection process is required to stop the combat vehicle, the detection process is long, the intelligent research on the armor becomes particularly important in order to promote the combat damage assessment efficiency of the combat vehicle, and particularly the real-time feedback research on the armor damage degree is realized. Through promoting the real-time feedback combat damage condition of armor, the personnel in the car will know the damage position of vehicle, degree in the very first time to the survival of vehicle in the battlefield, lasting combat ability, counterattack ability show real-time exact aassessment, make timely exact arrangement processing to the condition of battlefield.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an intelligent protective armor with a damage feedback function. The intelligent protective armor reflects the damage condition of the actual armor by monitoring the working condition of the optical fiber sensing system in real time according to the number of layers and the number of the optical fibers of the failed part.
The invention is realized by the following technical scheme:
the intelligent protective armor with the damage feedback function comprises a laminated protection plate and a sensing unit system uniformly distributed in the laminated protection plate, wherein the sensing unit system comprises a plurality of optical fiber layers which are uniformly arranged up and down, each optical fiber layer comprises a plurality of optical fibers which are uniformly distributed at intervals, and the distance between adjacent optical fibers is smaller than the penetration inner diameter; the middle part of the optical fiber is arranged in the laminated protective plate, the two end parts extend out of the laminated protective plate, the part of the optical fiber covered by the laminated protective plate is provided with an optical fiber chemical plating layer and an optical fiber plating layer, and the exposed part of the optical fiber is connected into a sensing signal detection system consisting of a spectrometer.
The intelligent protective armor structure provided by the invention is characterized in that a sensing element (optical fiber) is embedded into a laminated protection plate (metal laminated composite material), so that the armor is endowed with the function of damage feedback, and the armor is intelligent.
As a preferable technical scheme, the laminated protection plate is a Fe-Al system metal laminated layer, the thickness of the single layer is 0.2mm, and twenty-five layers are consolidated together.
As a preferable technical scheme, the laminated protection plate is divided into five parts, each five layers are divided into one part, the thickness of one part is 1mm, and the length and the width of the laminated protection plate are 5 multiplied by 5mm.
As a preferred technical solution, the optical fiber layers are arranged between two adjacent parts of the laminated protection plate, and four optical fiber layers are added, and each optical fiber layer comprises seven optical fibers.
As a preferred technical solution, an optical fiber electroless plating layer is provided on the optical fiber, an optical fiber plating layer is provided on the optical fiber electroless plating layer, and a thickness of the optical fiber plating layer is greater than a thickness of the optical fiber electroless plating layer.
As a preferred embodiment, the optical fiber has an inner diameter of 0.1mm and the total thickness of the electroless-plated layer and the electroplated layer of the optical fiber is 0.05mm.
As a preferable technical scheme, in each optical fiber layer, the distance between the circle centers of the adjacent optical fibers is 0.8mm, and the distance between the circle center of the outermost optical fiber and the boundary of the laminated protection plate is 0.1mm.
Furthermore, the invention also provides a preparation method of the intelligent protective armor with the damage feedback function, which comprises the following steps:
s1, plating an optical fiber, namely firstly, chemically plating the surface of the optical fiber to enable the surface of the optical fiber to be provided with a layer of thin metal, so as to form an optical fiber chemical plating layer; then electroplating the optical fiber chemical plating layer to form an optical fiber plating layer, and finally thickening the plating layer to 0.05mm;
s2, preparing a laminated protection plate of an Fe-Al system metal laminated layer by an ultrasonic wave consolidation technology, and consolidating a first part of the laminated protection plate, namely a five-layer Fe-Al system metal laminated layer, according to the stacking sequence of aluminum/iron, wherein the total thickness of the first part is 1mm;
s3, arranging optical fibers on the consolidated first part of laminated protection plates according to the requirements of seven optical fibers on each layer, wherein the distance between the optical fibers is 0.8mm, and the distance between the optical fibers and the boundary between the two sides is 0.1mm, so that the coating part is not smaller than the part of the laminated protection plates covering the optical fibers;
s4, placing a next layer of metal foil on the arranged first optical fiber layer, and solidifying the optical fiber and the metal foil by using an ultrasonic solidifying technology to finally finish embedding of the first optical fiber layer;
s5, continuously solidifying the four layers of metal foils by using an ultrasonic solidifying technology to finish the solidification of the second part of laminated protection plates, then finishing the embedding of the second optical fiber layer according to the arrangement and embedding mode of the first optical fiber layer, arranging and embedding the third optical fiber layer and the fourth optical fiber layer by adopting the same method, finally solidifying the four layers of metal foils, and finally finishing the preparation of the protective armor.
S6, the exposed part of the optical fiber is connected into a sensing signal detection system consisting of a spectrometer, and the real-time damage depth can be fed back through the failure part of the optical fiber;
in the preferred embodiment, in step S1, both the electroless plating layer and the electroplated layer are made of nickel.
In the preferred technical scheme, in the step S2, fe is pure iron foil, and Al is 1060 aluminum alloy foil.
Compared with the prior art, the invention has the following beneficial effects:
the intelligent protective armor with the damage depth feedback function is scientific in design, novel in structure and convenient to use, adopts the iron/aluminum-based amorphous laminated composite material protection plate as the metal laminated protection plate, adopts the silicon dioxide optical fiber as the sensing unit, can feed back the damage depth in real time by detecting the running condition of the integral optical fiber, and provides a new thought for real-time damage detection of the existing armor protection.
Drawings
In order to more clearly illustrate the technical solutions of embodiments of the present invention, the following description will briefly explain the embodiments or the drawings required to be used in the description of the prior art, where the drawings are intended to provide further explanation of the present invention and form a part of this application, and the illustrative embodiments of the present invention and their descriptions are intended to explain the present invention and not to limit the present invention unduly.
FIG. 1 is a schematic diagram of an overall model of the intelligent armor of the present invention.
Fig. 2 is a schematic view of the arrangement of optical fibers in a laminate armor panel of the smart protective armor of the present invention.
Fig. 3 is an axial schematic view of an optical fiber in the intelligent protective armor of the present invention.
Fig. 4 is a schematic longitudinal view of an optical fiber in the intelligent armor of the present invention.
In the figure: 1-laminated protection plate, 2-optical fiber, 3-optical fiber chemical plating layer and 4-optical fiber plating layer.
Detailed Description
For a better understanding of the present invention, reference will be made to the following description of the invention taken in conjunction with the accompanying drawings and examples. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
In one embodiment of the present invention, an intelligent armor with damage feedback is provided, as shown in fig. 1 to 4, comprising a laminate guard 1 and a sensing unit system uniformly distributed in the laminate guard 1.
The laminated protection plate 1 is a Fe-Al system metal laminated layer and is prepared from an iron/aluminum metal laminated composite material by an ultrasonic consolidation technology; the thickness of the single layer is 0.2mm, and twenty-five layers are consolidated together; the laminated protection plate 1 is divided into five parts, each five layers are one part, the thickness of one part is 1mm, and the length and width of the laminated protection plate 1 are 5×5mm.
The sensing unit system comprises a plurality of four optical fiber layers which are uniformly arranged up and down, each optical fiber layer is arranged between two adjacent parts of the laminated protection plate 1, and each optical fiber layer comprises a plurality of seven optical fibers 2 which are uniformly distributed at intervals; the inner diameter of each single optical fiber 2 is 0.1mm, the distance between adjacent optical fibers 2 is smaller than the penetration inner diameter, the specific circle center distance is 0.8mm, and the distance between the circle center of the outermost optical fiber 2 and the boundary of the laminated protection plate 1 is 0.1mm; the middle part of the optical fiber 2 is arranged in the laminated protective plate 1, the two end parts extend out of the laminated protective plate 1, the part of the optical fiber 2 covered by the laminated protective plate 1 is provided with an optical fiber electroless plating layer 3 and an optical fiber plating layer 4, the optical fiber electroless plating layer 3 is arranged on the optical fiber 2, the optical fiber plating layer 4 is arranged on the optical fiber electroless plating layer 3, the thickness of the optical fiber plating layer 4 is larger than that of the optical fiber electroless plating layer 3, and the total thickness of the optical fiber electroless plating layer 3 and the optical fiber plating layer 4 is 0.05mm; the exposed part of the optical fiber 2 is connected to a sensing signal detection system consisting of a spectrometer.
The final specification dimensions (length x width x height) of the intelligent protective armor with the damage feedback function are as follows: 5X 5mm.
When bullet penetration or impact occurs, the damage degree of the protective armor is deduced according to the failure number of the sensing unit system in the laminated protection plate 1, so that the protective armor has the function of damage depth feedback, and the protective armor is intelligent.
1-laminate shield, 2-optical fiber, 3-optical fiber electroless plating, 4-optical fiber plating
The embodiment also provides a preparation method of the intelligent protective armor with the damage feedback function, which comprises the following steps:
s1, plating an optical fiber 2, namely firstly, chemically plating the surface of the optical fiber 2 to enable the surface of the optical fiber 2 to be provided with a layer of thin metal, so as to form an optical fiber chemical plating layer 3; then electroplating the optical fiber electroless plating layer 3 to form an optical fiber electroplated layer 4, and finally thickening the plating layer to 0.05mm;
s2, preparing a laminated protection plate 1 of an Fe-Al system metal laminated layer by an ultrasonic wave consolidation technology, and consolidating a first part of the laminated protection plate 1, namely a five-layer Fe-Al system metal laminated layer, according to the stacking sequence of aluminum/iron, wherein the total thickness of the first part is 1mm;
s3, arranging optical fibers 2 on the consolidated first part laminated protection plate 1 according to the requirements of seven optical fibers on each layer, wherein the distance between the optical fibers and the laminated protection plate 1 is 0.8mm, and the distance between the two sides of the optical fibers is 0.1mm, so that the coating part is not smaller than the part of the laminated protection plate 1 covering the optical fibers 2;
s4, placing a next layer of metal foil on the arranged first optical fiber layer, and solidifying the optical fiber 2 and the metal foil by using an ultrasonic solidifying technology to finally finish embedding of the first optical fiber layer;
s5, continuously solidifying the four layers of metal foils by using an ultrasonic solidifying technology to finish the solidification of the second part of laminated protective plate 1, then finishing the embedding of the second optical fiber layer according to the arrangement and embedding mode of the first optical fiber layer, arranging and embedding the third optical fiber layer and the fourth optical fiber layer by adopting the same method, finally solidifying the four layers of metal foils, and finally finishing the preparation of the protective armor;
s6, the exposed part of the optical fiber 2 is connected into a sensing signal detection system consisting of a spectrometer, and the real-time damage depth can be fed back through the failure part of the optical fiber 2.
In step S1 of the above preparation method, the materials of the optical fiber electroless plating layer 3 and the optical fiber electroplated layer 4 are both nickel materials.
In the step S2 of the preparation method, fe is pure iron foil, and Al is 1060 aluminum alloy foil.
The foregoing has been a clear and complete description of the technical solutions of embodiments of the present invention, and the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Claims (4)

1. Intelligent protective armor with damage feedback function, its characterized in that: the sensing unit system comprises a plurality of optical fiber layers which are uniformly arranged up and down, each optical fiber layer comprises a plurality of optical fibers which are uniformly distributed at intervals, and the distance between adjacent optical fibers is smaller than the penetration inner diameter; the middle part of the optical fiber is arranged in the laminated protective plate, the two end parts extend out of the laminated protective plate, the part of the optical fiber covered by the laminated protective plate is provided with an optical fiber chemical plating layer and an optical fiber plating layer, and the exposed part of the optical fiber is connected into a sensing signal detection system consisting of a spectrometer; the laminated protection plate is a Fe-Al system metal laminated layer, the thickness of a single layer is 0.2mm, and twenty-five layers are consolidated altogether; the laminated protection plate is divided into five parts, each five layers are one part, the thickness of one part is 1mm, and the length and the width of the laminated protection plate are 5 multiplied by 5mm; the optical fiber layers are arranged between two adjacent parts of the laminated protection plate, and four optical fiber layers are totally arranged, and each optical fiber layer comprises seven optical fibers; the optical fiber chemical plating layer is arranged on the optical fiber, the optical fiber plating layer is arranged on the optical fiber chemical plating layer, and the thickness of the optical fiber plating layer is larger than that of the optical fiber chemical plating layer; the inner diameter of each optical fiber is 0.1mm, and the total thickness of the chemical plating layer of the optical fiber and the plating layer of the optical fiber is 0.05mm; in each optical fiber layer, the distance between the circle centers of the adjacent optical fibers is 0.8mm, and the distance between the circle center of the outermost optical fiber and the boundary of the laminated protection plate is 0.1mm.
2. The method for preparing intelligent protective armor with damage feedback function as claimed in claim 1, comprising the steps of:
s1, plating an optical fiber, namely firstly, chemically plating the surface of the optical fiber to enable the surface of the optical fiber to be provided with a layer of thin metal, so as to form an optical fiber chemical plating layer; then electroplating the optical fiber chemical plating layer to form an optical fiber plating layer, and finally thickening the plating layer to 0.05mm;
s2, preparing a laminated protection plate of an Fe-Al system metal laminated layer by an ultrasonic wave consolidation technology, and consolidating a first part of the laminated protection plate, namely a five-layer Fe-Al system metal laminated layer, according to the stacking sequence of aluminum/iron, wherein the total thickness of the first part is 1mm;
s3, arranging optical fibers on the consolidated first part of laminated protection plates according to the requirements of seven optical fibers on each layer, wherein the distance between the optical fibers is 0.8mm, and the distance between the optical fibers and the boundary between the two sides is 0.1mm, so that the coating part is not smaller than the part of the laminated protection plates covering the optical fibers;
s4, placing a next layer of metal foil on the arranged first optical fiber layer, and solidifying the optical fiber and the metal foil by using an ultrasonic solidifying technology to finally finish embedding of the first optical fiber layer;
s5, continuously solidifying the four layers of metal foils by using an ultrasonic solidifying technology to finish the solidification of the second part of laminated protection plates, then finishing the embedding of the second optical fiber layer according to the arrangement and embedding mode of the first optical fiber layer, arranging and embedding the third optical fiber layer and the fourth optical fiber layer by adopting the same method, finally solidifying the four layers of metal foils, and finally finishing the preparation of the protective armor;
s6, the exposed part of the optical fiber is connected into a sensing signal detection system consisting of a spectrometer, and the real-time damage depth can be fed back through the failure part of the optical fiber.
3. The method for preparing intelligent protective armor with damage feedback function according to claim 2, wherein the method comprises the following steps: in step S1, the materials of the chemical plating layer and the electroplated layer of the optical fiber are nickel materials.
4. The method for preparing intelligent protective armor with damage feedback function according to claim 2, wherein the method comprises the following steps: in the step S2, fe is pure iron foil, and Al is 1060 aluminum alloy foil.
CN202011590703.6A 2020-12-29 2020-12-29 Intelligent protective armor with damage feedback function and preparation method thereof Active CN112781446B (en)

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CN115371495B (en) * 2022-07-29 2024-01-12 东风越野车有限公司 Bulletproof monitoring and early warning system and method for protective type vehicle

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US5250802A (en) * 1991-11-04 1993-10-05 Teledyne Ryan Aeronautical, Division Of Teledyne Industries, Inc. Fiber optic stress sensor for structural joints
CN102995619A (en) * 2012-12-28 2013-03-27 泰安路德工程材料有限公司 Highly smart LDTG composite geotechnical material and engineering monitoring system thereof
CN204301612U (en) * 2014-11-04 2015-04-29 芜湖航飞科技股份有限公司 A kind of composite armour
US10302399B2 (en) * 2016-07-22 2019-05-28 Ohio University Ballistic body armor damage sensing system and related methods
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CN111043909B (en) * 2019-11-08 2022-03-15 中北大学 Ti-Al intermetallic compound micro-laminated composite armor and preparation method thereof
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