CN112781446A - 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 PDFInfo
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- CN112781446A CN112781446A CN202011590703.6A CN202011590703A CN112781446A CN 112781446 A CN112781446 A CN 112781446A CN 202011590703 A CN202011590703 A CN 202011590703A CN 112781446 A CN112781446 A CN 112781446A
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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
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- 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
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- 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
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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
- 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
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Abstract
The invention discloses an intelligent protective armor with a damage feedback function and a preparation method thereof, belonging to the technical field of intelligent armor protection. The protective armor comprises laminated protection plates and sensing unit systems uniformly distributed in the laminated protection plates, wherein the sensing unit systems are formed by arranging a plurality of single-layer optical fibers and a plurality of multi-layer optical fibers, the adjacent distance of the optical fibers is smaller than the penetration inner diameter, the optical fibers are uniformly distributed in the laminated protection plates, the parts of the optical fibers covered by the laminated protection plates are provided with metal coatings, and the exposed parts are 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 protective plate as the metal laminated protective 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 whole optical fiber.
Description
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 previous battle case analysis, a set of rapid and accurate battlefield evaluation system can promote the victory of battles to a great extent, and in the technical field of armor protection, the research on the real-time damage degree feedback of armor is also fresh; at present, operation of an armor carrier needs to be stopped firstly for evaluating damage of an armor, after the carrier is stopped, a detector manually detects damage conditions of the armor carrier, compares a damage manual and evaluates actual damage conditions of the armor, and therefore continuous operational capability, viability and counterattack capability of a chariot are evaluated. Through promoting the real-time feedback of the armor to fight and damage the condition, personnel in the car will know the damage position, the degree of vehicle very first time to the existence, the ability of continuously fighting, the counterattack ability of vehicle in the battlefield make real-time accurate aassessment, in time accurate arrangement processing is made to the condition in battlefield.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide an intelligent protective armor with a damage feedback function. The intelligent protective armor can reflect the damage condition of the actual armor by monitoring the working condition of the optical fiber sensing system in real time and according to the number of layers and the number of optical fibers of the failed part.
The invention is realized by the following technical scheme:
an intelligent protective armor with a damage feedback function comprises a laminated protective plate and a sensing unit system uniformly distributed in the laminated protective plate, wherein the sensing unit system comprises a plurality of layers of optical fiber layers which are uniformly arranged up and down, each layer of optical fiber layer comprises a plurality of optical fibers which are uniformly distributed at intervals, and the distance between every two adjacent optical fibers is smaller than the penetration inner diameter; the middle part of the optical fiber is arranged in the laminated protection plate, the two end parts of the optical fiber extend out of the laminated protection plate, the part of the optical fiber covered by the laminated protection plate is provided with an optical fiber chemical plating layer and an optical fiber electroplated 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 has a damage feedback function, and the armor is intelligentized.
As a preferred technical scheme, the laminated protection plate is a Fe-Al system metal laminated layer, the single-layer thickness is 0.2mm, and twenty-five layers are consolidated together.
As a preferred technical scheme, the laminated protection plate is divided into five parts, wherein each five parts 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 5 mm.
In a preferred embodiment, the optical fiber layer is disposed between two adjacent portions of the laminated protective plate, and the total number of the optical fiber layers is four, and each optical fiber layer comprises seven optical fibers.
As a preferred technical scheme, the optical fiber chemical plating layer is arranged on the optical fiber, the optical fiber electroplated layer is arranged on the optical fiber chemical plating layer, and the thickness of the optical fiber electroplated layer is larger than that of the optical fiber chemical plating layer.
Preferably, the inner diameter of the optical fiber is 0.1mm, and the total thickness of the optical fiber chemical plating layer and the optical fiber electroplated layer is 0.05 mm.
Preferably, in each optical fiber layer, the distance between the centers of adjacent optical fibers is 0.8mm, and the distance between the center of the outermost optical fiber and the boundary of the laminated protective plate is 0.1 mm.
Further, the invention also provides a preparation method of the intelligent protective armor with the damage feedback function, which comprises the following steps:
s1, plating the optical fiber, 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 to form an optical fiber chemical plating layer; then electroplating the optical fiber chemical plating layer to form an optical fiber electroplated layer, and finally thickening the plating layer to 0.05 mm;
s2, preparing a laminated protective plate of the Fe-Al system metal lamination through an ultrasonic consolidation technology, and firstly consolidating a first part of laminated protective plate, namely five layers of Fe-Al system metal laminations according to the stacking sequence of aluminum/iron, wherein the total thickness of the first part is 1 mm;
s3, arranging optical fibers on the first part of consolidated laminated protection plates according to the requirements of seven optical fibers on each layer, the distance between the optical fibers and the boundary between the optical fibers and the;
s4, placing a next layer of metal foil on the arranged first optical fiber layer, and consolidating the optical fiber and the metal foil by using an ultrasonic consolidation technology to finally complete the embedding of the first optical fiber layer;
s5, continuously consolidating four layers of metal foils by using an ultrasonic consolidation technology to complete consolidation of the second part of laminated protection plates, then completing embedding of the second layer of optical fiber layer according to the arrangement and embedding mode of the first layer of optical fiber layer, arranging and embedding the third layer of optical fiber layer and the fourth layer of optical fiber layer by using the same method, and finally consolidating four layers of metal foils to finally complete preparation of the protection armor.
S6, connecting the exposed part of the optical fiber into a sensing signal detection system consisting of a spectrometer, and feeding back the real-time damage depth through the failed part of the optical fiber;
preferably, in step S1, the optical fiber chemical plating layer and the optical fiber plating layer are both made of nickel.
Preferably, in step S2, Fe is a 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, the iron/aluminum-based amorphous laminated composite protective plate is used as the metal laminated protective plate, the silicon dioxide optical fiber is used as the sensing unit, the damage depth can be fed back in real time by detecting the operation condition of the whole optical fiber, and a new idea is provided for the real-time damage detection of the existing armor protection.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly introduced, wherein the drawings are used for providing further explanation of the present invention and form a part of the present application, and the exemplary embodiments and the explanation of the present invention are used for explaining the present invention and do not form a limitation to the present invention.
FIG. 1 is a schematic view of an overall model of the intelligent protective armor of the present invention.
FIG. 2 is a schematic view of the arrangement of optical fibers in a laminated armor plate in the intelligent protective armor of the present invention.
Fig. 3 is an axial schematic view of an optical fiber in the intelligent protective armor of the invention.
Fig. 4 is a longitudinal schematic view of an optical fiber in the intelligent protective armor of the present invention.
In the figure: 1-laminated protective plate, 2-optical fiber, 3-optical fiber chemical plating layer and 4-optical fiber electroplated layer.
Detailed Description
In order that those skilled in the art will better understand the present invention, a more complete and complete description of the present invention is provided below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In one embodiment of the present invention, an intelligent protective armor with damage feedback function is provided, as shown in fig. 1 to 4, and comprises a laminated protection plate 1 and a sensing unit system uniformly distributed in the laminated protection plate 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, wherein each five parts are one part, the thickness of one part is 1mm, and the length and the width of the laminated protection plate 1 are 5 multiplied by 5 mm.
The sensing unit system comprises 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 seven optical fibers 2 which are uniformly distributed at intervals; the inner diameter of each optical fiber 2 is 0.1mm, the distance between every two 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 0.1 mm; the middle part of the optical fiber 2 is arranged in the laminated protection plate 1, the two end parts of the optical fiber 2 extend out of the laminated protection plate 1, the part of the optical fiber 2 covered by the laminated protection plate 1 is provided with an optical fiber chemical plating layer 3 and an optical fiber electroplated layer 4, the optical fiber chemical plating layer 3 is arranged on the optical fiber 2, the optical fiber electroplated layer 4 is arranged on the optical fiber chemical plating layer 3, the thickness of the optical fiber electroplated layer 4 is larger than that of the optical fiber chemical plating layer 3, and the total thickness of the optical fiber chemical plating layer 3 and the optical fiber electroplated layer 4 is 0.05 mm; the exposed part of the optical fiber 2 is connected into a sensing signal detection system consisting of a spectrometer.
The final specification and size (length multiplied by width multiplied by height) of the intelligent protective armor with the damage feedback function is as follows: 5X 5 mm.
When bullet penetration or impact occurs, the damage degree of the protective armor is deduced according to the failure number of the sensing unit systems in the laminated protective plate 1, so that the protective armor has the function of damage depth feedback, and the protective armor is intelligent.
1-laminated protective plate, 2-optical fiber, 3-optical fiber chemical plating layer, 4-optical fiber electroplated layer
The embodiment also provides a preparation method of the intelligent protective armor with the damage feedback function, which comprises the following steps:
s1, plating the optical fiber 2, 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 to form an optical fiber chemical plating layer 3; then electroplating the optical fiber chemical plating layer 3 to form an optical fiber electroplated layer 4, and finally thickening the plated layer to 0.05 mm;
s2, preparing a laminated protection plate 1 of the Fe-Al system metal lamination through an ultrasonic consolidation technology, and firstly consolidating a first part of laminated protection plate 1, namely five layers of Fe-Al system metal laminations according to the stacking sequence of aluminum/iron, wherein the total thickness of the first part is 1 mm;
s3, arranging the optical fibers 2 on the first part of the consolidated laminated protection plate 1 according to the requirements of seven optical fibers in each layer, the distance between the optical fibers and the boundary between the optical fibers, and ensuring that the coating part of the cladding layer is not less than the part of the laminated protection plate 1;
s4, placing a next layer of metal foil on the arranged first optical fiber layer, and consolidating the optical fiber 2 and the metal foil by using an ultrasonic consolidation technology to finally complete the embedding of the first optical fiber layer;
s5, continuously consolidating four layers of metal foils by using an ultrasonic consolidation technology to complete consolidation of the second part of laminated protection plates 1, then completing embedding of the second layer of optical fiber layer according to the arrangement and embedding mode of the first layer of optical fiber layer, arranging and embedding the third layer of optical fiber layer and the fourth layer of optical fiber layer by using the same method, and finally consolidating four layers of metal foils to finally complete preparation of the protection armor;
s6, the exposed part of the optical fiber 2 is connected into a sensing signal detection system composed 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 optical fiber chemical plating layer 3 and the optical fiber plating layer 4 are both made of nickel.
In step S2 of the above manufacturing method, Fe is a pure iron foil, and Al is 1060 aluminum alloy foil.
The technical solutions in the embodiments of the present invention are clearly and completely described above, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an intelligence protection armor with damage feedback function which characterized in that: the sensor 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 every two adjacent optical fibers is smaller than the penetration inner diameter; the middle part of the optical fiber is arranged in the laminated protection plate, the two end parts of the optical fiber extend out of the laminated protection plate, the part of the optical fiber covered by the laminated protection plate is provided with an optical fiber chemical plating layer and an optical fiber electroplated layer, and the exposed part of the optical fiber is connected into a sensing signal detection system consisting of a spectrometer.
2. The intelligent protective armor with damage feedback function of claim 1, wherein: the laminated protection plate is a Fe-Al system metal laminated layer, the single-layer thickness is 0.2mm, and twenty-five layers are consolidated together.
3. The intelligent protective armor with damage feedback function of claim 2, wherein: the laminated protection plate is divided into five parts, wherein each five parts 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 5 mm.
4. The intelligent protective armor with damage feedback function of claim 3, wherein: the optical fiber layer is arranged between two adjacent parts of the laminated protection plate, and the total number of the optical fiber layers is four, and each optical fiber layer comprises seven optical fibers.
5. The intelligent protective armor with damage feedback function of claim 4, wherein: the optical fiber chemical plating layer is arranged on the optical fiber, the optical fiber electroplated layer is arranged on the optical fiber chemical plating layer, and the thickness of the optical fiber electroplated layer is larger than that of the optical fiber chemical plating layer.
6. The intelligent protective armor with damage feedback function of claim 5, wherein: the inner diameter of the root optical fiber was 0.1mm, and the total thickness of the optical fiber electroless plating layer and the optical fiber electroplated layer was 0.05 mm.
7. The intelligent protective armor with damage feedback function of claim 6, wherein: in each optical fiber layer, the distance between the centers of adjacent optical fibers is 0.8mm, and the distance between the center of the outermost optical fiber and the boundary of the laminated protection plate is 0.1 mm.
8. The method for manufacturing intelligent protective armor with damage feedback function according to claim 7, comprising the steps of:
s1, plating the optical fiber, 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 to form an optical fiber chemical plating layer; then electroplating the optical fiber chemical plating layer to form an optical fiber electroplated layer, and finally thickening the plating layer to 0.05 mm;
s2, preparing a laminated protective plate of the Fe-Al system metal lamination through an ultrasonic consolidation technology, and firstly consolidating a first part of laminated protective plate, namely five layers of Fe-Al system metal laminations according to the stacking sequence of aluminum/iron, wherein the total thickness of the first part is 1 mm;
s3, arranging optical fibers on the first part of consolidated laminated protection plates according to the requirements of seven optical fibers on each layer, the distance between the optical fibers and the boundary between the optical fibers and the;
s4, placing a next layer of metal foil on the arranged first optical fiber layer, and consolidating the optical fiber and the metal foil by using an ultrasonic consolidation technology to finally complete the embedding of the first optical fiber layer;
s5, continuously consolidating four layers of metal foils by using an ultrasonic consolidation technology to complete consolidation of a second part of laminated protection plates, then completing embedding of a second layer of optical fiber layer according to the arrangement and embedding mode of a first layer of optical fiber layer, arranging and embedding a third layer of optical fiber layer and a fourth layer of optical fiber layer by using the same method, and finally consolidating four layers of metal foils to finally complete preparation of the protection armor;
s6, the exposed part of the optical fiber is connected into a sensing signal detection system composed of a spectrometer, and the real-time damage depth can be fed back through the failure part of the optical fiber.
9. The method for preparing intelligent protective armor with damage feedback function according to claim 8, wherein: in step S1, the optical fiber chemical plating layer and the optical fiber electroplating layer are both made of nickel.
10. The method for preparing intelligent protective armor with damage feedback function according to claim 8, wherein: in step S2, Fe is a pure iron foil and Al is 1060 aluminum alloy foil.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114324178A (en) * | 2021-12-07 | 2022-04-12 | 中北大学 | Metal-fiber cladding FBG sensor packaging structure based on low-temperature consolidation |
| CN115371495A (en) * | 2022-07-29 | 2022-11-22 | 东风越野车有限公司 | Bulletproof monitoring and early warning system and method for protective vehicle |
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