CN113504599A - Multifunctional camouflage structure - Google Patents

Multifunctional camouflage structure Download PDF

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Publication number
CN113504599A
CN113504599A CN202110694314.6A CN202110694314A CN113504599A CN 113504599 A CN113504599 A CN 113504599A CN 202110694314 A CN202110694314 A CN 202110694314A CN 113504599 A CN113504599 A CN 113504599A
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CN
China
Prior art keywords
light source
area array
source area
led light
absorbing material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110694314.6A
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Chinese (zh)
Inventor
张经纬
张俊举
高原
刘相新
余慧娟
邱亚峰
张益军
胡逸飞
靳欣
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN202110694314.6A priority Critical patent/CN113504599A/en
Publication of CN113504599A publication Critical patent/CN113504599A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
    • 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
    • F41H3/00—Camouflage, i.e. means or methods for concealment or disguise
    • F41H3/02—Flexible, e.g. fabric covers, e.g. screens, nets characterised by their material or structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/003—Light absorbing elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The invention discloses a multifunctional camouflage structure which comprises light guide optical fibers, wave-absorbing materials, a perforated plate and an LED light source area array, wherein the wave-absorbing materials are arranged on the perforated plate, light sources of the LED light source area array are connected with the light guide optical fibers in a one-to-one correspondence manner, and the light guide optical fibers are fixed into a required shape through the perforated plate and then penetrate out of the wave-absorbing materials. According to the invention, the camouflage color of the surface of the vehicle body is changed by controlling the brightness of the LED through an LED spectrum fitting method, and the brightness of the LED is only controlled according to different environments, so that the cost is greatly saved, and the vehicle can be camouflaged in any environment.

Description

Multifunctional camouflage structure
Technical Field
The invention belongs to the technology of stealth equipment, and particularly relates to a multifunctional camouflage structure.
Background
Camouflage is an attack means and various concealment measures for hiding oneself and deceiving and confusing enemies to improve the abruptness and concealment of attack. Most of the existing camouflage modes adopt camouflage paint or camouflage net modes to realize camouflage.
The basic design idea of camouflage paint is to create an effect that is consistent with the background. Under visible light, generating color consistent with the background; under the irradiation of electromagnetic wave, a reflection spectrum consistent with the background is generated, so that the camouflage target is consistent with the color tone and the brightness of the background or changes the shape. Although the method can prevent the reconnaissance by visible light, infrared rays and radar waves, the method has the disadvantage of singleness, is difficult to achieve better adaptability according to the change of the working environment, needs a large amount of manpower and material resources, and has no environmental adaptability and convenience.
The camouflage net is a camouflage and barrier-shielding device, and mainly adopts a net structure, and the net surface of the net structure is processed with colors, materials and structures, so that the net structure has camouflage performance. However, camouflage nets have the disadvantages of being difficult to resist infrared and radar detection, and require extremely high material requirements and structural requirements. Meanwhile, the camouflage net also has the defect that the camouflage net is difficult to change according to the change of the environment, needs to be manually replaced, and does not have convenience and environmental adaptability. A
Disclosure of Invention
The invention provides a multifunctional camouflage structure.
The technical solution for realizing the invention is as follows: the utility model provides a multi-functional camouflage structure, includes leaded light optic fibre, absorbing material, perforation panel, LED light source area array, absorbing material sets up on the perforation panel, the light source and the leaded light optic fibre one-to-one of LED light source area array are connected, the leaded light optic fibre is worn out from absorbing material after fixed becoming required shape through the perforation panel.
Preferably, a refrigerator is arranged on one surface of the perforated plate close to the LED light source area array.
Preferably, a water-cooling heat dissipation device is arranged on one surface of the refrigerator, which is close to the LED light source area array.
Preferably, the light guide fiber is a ball-head light guide fiber.
Preferably, the light guide optical fiber is made of polymethyl methacrylate.
Preferably, the wave-absorbing material is a black wedge-shaped material, and the material of the wave-absorbing material is polyurethane foam.
Preferably, the wavelength of the LED light sources in the LED light source area array is 400nm-900 nm.
Preferably, the light sources of the LED light source area array are arranged in a matrix form, adjacent light sources are spaced by 10nm, the brightness of each light source is controlled independently, and the spectrum of each wave band is fitted by adjusting the brightness combination.
Compared with the prior art, the invention has the following remarkable advantages:
(1) according to the invention, the camouflage color of the surface of the vehicle body is changed by controlling the brightness of the LED through an LED spectrum fitting method, and the brightness of the LED is only controlled for different environments, so that the cost is greatly saved, and the vehicle can be camouflaged in any environment;
(2) the radar detection is also disguised, and the disguising performance of the vehicle to radar signals is greatly improved through the wave-absorbing material on the surface and the composite material perforated plate inside;
(3) the surface temperature of the vehicle body is controlled through the semiconductor refrigerator, so that the vehicle has a certain camouflage effect aiming at infrared detection;
(4) the invention highly integrates camouflage of three detection modes, namely visible light spectrum, radar and infrared, so that the vehicle can cope with most working environments.
The present invention is described in further detail below with reference to the attached drawings.
Drawings
Fig. 1 is an overall structural view of a multifunctional camouflage structure according to an embodiment of the present invention.
Fig. 2 is a camouflage surface effect diagram of the multifunctional camouflage structure according to the embodiment of the invention.
Fig. 3 is a schematic optical fiber diagram of a multifunctional camouflage structure according to an embodiment of the invention.
Fig. 4 is a diagram of an LED light source area array housing of the multifunctional camouflage structure according to the embodiment of the invention.
Fig. 5 is a diagram of an LED light source area array cover of the multifunctional camouflage structure according to the embodiment of the invention.
Detailed Description
The utility model provides a multi-functional camouflage structure, includes leaded light optic fibre 1, absorbing material 2, perforation panel 3, LED light source area array 4, absorbing material 2 sets up on perforation panel 3, the light source of LED light source area array 4 is connected with leaded light optic fibre 1 one-to-one, leaded light optic fibre 1 is worn out from absorbing material 2 after fixed becoming required shape through perforation panel 3.
In a further embodiment, a refrigerator 6 is arranged on one side of the perforated plate 3 close to the LED light source area array 4.
In a further embodiment, a water-cooling heat dissipation device 8 is arranged on one surface of the refrigerator 6 close to the LED light source area array 4. The water-cooling heat dissipation device 8 guides out the heat at the bottom of the semiconductor refrigerator 6 through a flowing water source, so that the effect of stabilizing the temperature of the camouflage structure is achieved.
In a further embodiment, the light guide fiber 1 is a ball-head light guide fiber.
In a further embodiment, the light guide fiber 1 is made of polymethyl methacrylate, and the working temperature range is-20 ℃ to 100 ℃. The side surface of the spherical head light guide optical fiber 1 is wrapped by black rubber to prevent other light interference. The columnar end is connected with the LED light source area array 4 area array light source cover plate through a connecting piece, the spherical end is fixedly combined into a required shape through the perforated plate 3, and then penetrates through the wave-absorbing material 2 to enable the spherical end to be exposed on the surface of the material to achieve the light source effect, so that spectrum camouflage is performed.
In a further embodiment, the wave-absorbing material 2 is a black wedge-shaped material made of polyurethane foam. When electromagnetic waves are radiated to the surface of the wave-absorbing material 2, the electromagnetic waves almost completely penetrate the surface to reduce reflection, and the energy of the electromagnetic waves entering the wave-absorbing material 2 is almost consumed. The wave-absorbing material 2 is connected with the perforated plate 3 through a fastening bolt. The material is provided with through holes which are in one-to-one correspondence with the perforated plate 3 and are used for the spherical light guide optical fibers 1 to penetrate through the material.
In a further embodiment, the wavelength of the LED light source area array 4LED light source is 400nm-900 nm.
In a further embodiment, the light sources of the LED light source area array 4 are arranged in a matrix form, the adjacent light sources are spaced by 10nm, each light source can independently control the brightness thereof, and the spectrum of each band can be fitted by adjusting the brightness combination. An acrylic light-transmitting plate is arranged between the light source and the light guide optical fiber 1 and used for mixing light so that the light spectrum of the LED light source area array 4 is fitted together.
In a further embodiment, the surface shell of the LED light source area array 4 is of an aluminum structure, the PCB is arranged inside the shell, the LED light source area array 4 lamp is installed on the PCB, the brightness is controlled by a chip, and the overall power supply voltage is 12V.
In a further embodiment, the refrigerator 6 is a semiconductor refrigerator 6, which is a device for producing cold by using the thermoelectric effect of semiconductors, and is also called a thermoelectric refrigerator. When two different metals are connected by a conductor and direct current is applied, the temperature at one junction is reduced and the temperature at the other junction is increased. The refrigeration temperature is-20 ℃ to 40 ℃. And is fixed with the perforated plate 3 by a fastening bolt.
In a further embodiment, the perforated plate 3 is a composite material and has two characteristics of heat conduction and wave absorption, so that the refrigerator 6 can change the temperature of the perforated plate, and can shield radar signals well. The perforated plate 3 is connected with the wave-absorbing material 2 by a set screw, and perforated hole arrays are arranged on the perforated plate, so that the light guide optical fiber 1 with the spherical head can conveniently penetrate out. The semiconductor cooler 6 is installed at the bottom of the plate to facilitate temperature control thereof.
The invention fits the required spectrum by adjusting the brightness of the light source. The modulated light is then sent out through the optical fiber to the spherical end of the optical fiber. The fitting of the spectrum is mainly used for resisting a visible light spectrum detector, so that the camouflage color of the visible light spectrum detector is the same as the natural light color and the same as the natural light spectrum, and the spectrum camouflage effect is achieved. The wave-absorbing material 2 is mainly used for attenuating radar emission signals and can absorb or attenuate electromagnetic wave energy received by the surface. Thereby achieving the effect of radar signal camouflage. Meanwhile, the wave-absorbing material 2 has the properties of light weight, temperature resistance, moisture resistance and corrosion resistance, and can greatly improve the structural property of the car cover. The temperature regulator is used for controlling the surface temperature of the wave-absorbing material 2, thereby achieving the infrared camouflage effect. In conclusion, the invention has three camouflage performances of visible light spectrum, radar and infrared.
The following is a more detailed description by way of example.
Example 1
A multifunctional camouflage structure is shown in figure 1 and comprises a spherical head light guide optical fiber 1, a wave absorbing material 2, a perforated plate 3, an LED light source area array 4, an LED light source area array shell 5, a refrigerator 6, an LED light source area array shell cover 7 and a water-cooling heat dissipation device 8; in the light guide fiber 1 with the spherical head shown in fig. 3, the spherical end firstly passes through the perforated plate 3 and then passes through the wave-absorbing material 2 to expose the surface of the wave-absorbing material 2, so as to form the hexagonal camouflage effect net shown in fig. 2. The cylindrical end of the tail part of the spherical head light guide optical fiber 1 is inserted into an LED light source area array cover 7, as shown in figure 5. And an acrylic light mixing plate is paved on the lower part of the LED light source area array shell cover 7. The bottom of the LED light source area array shell 5 is provided with one LED light source area array lamp with 400nm-900nm of each 10nm as a unit, the brightness of each lamp can be independently controlled, and the brightness can be adjusted to fit the spectrum of each wave band. And the LED light source area array shell cover 7 covers the LED light source area array shell 5 to form the LED light source area array 4. The semiconductor refrigerator 6 is fixed with the wave-absorbing material 2 and the perforated plate 3 by set screws, as shown in fig. 2. The water-cooling heat dissipation device 8 is arranged at the bottom of the semiconductor refrigerator 6, and takes away the heat generated by the refrigerator 6 by using a water source flowing in the heat dissipation pipe to stabilize the temperature of the structure.
Wherein, the spherical light guide fiber 1 is preferably a polymethyl methacrylate light guide fiber 1 with the length of 50cm, the diameter of a spherical section of 8mm and the diameter of a columnar end of 5 mm. The attenuation coefficient of the optical fiber is 0.7DB/M, the attenuation coefficient is small, the transmission efficiency is high, and the working temperature range of the optical fiber is-20 ℃ to 100 ℃. Can adapt to various working environments. The side of the optical fiber is wrapped by black rubber to prevent other light from interfering.
The wave-absorbing material 2 is preferably black wedge-shaped polyurethane foam, and when electromagnetic waves encounter the surface of the material, the wave-absorbing material almost completely penetrates through the surface, so that reflection is reduced, the energy of the electromagnetic waves entering the wave-absorbing material is almost consumed. The black material does not reflect light of any color, which is beneficial to the camouflage color covering of the surface of the light guide fiber 1. The size of the wave-absorbing material 2 is determined according to the needed camouflage area, and the larger the camouflage area is, the larger the area of the wave-absorbing material 2 is needed.
The perforated plate 3 is preferably made of a heat-conducting wave-absorbing material, which is a composite material, has good heat-conducting property and electromagnetic shielding property, and has certain hardness. The camouflage performance and the reliability of the invention can be greatly improved.
The refrigerator 6 is preferably a semiconductor refrigerator which has the characteristics of no noise, no vibration, no need of refrigerant, small volume, light weight and the like, and has the advantages of reliable work, simple and convenient operation, easy cold quantity adjustment and the like, thereby being very convenient for the use of the refrigerator. The refrigeration temperature is-20 ℃ to 40 ℃, and the refrigerator can cope with various working conditions. The refrigerator 6 is placed at the bottom of the camouflage structure as shown in fig. 2.
Wherein, 50 LED light sources with the wavelength of 400nm-900nm and each 10nm as the unit are selected for the LED light source area array 4. The power of the LED light source area array 4 is preferably 3W or more, so that the camouflage effect is facilitated. The additional control circuit of the LED light source area array 4 adopts the control chip to control each LED light source, and the CPU is used for controlling each control chip, so that each LED light source can independently control the brightness thereof, and the CPU can control the on-off combination thereof, thereby achieving the effect of spectrum fitting.
The LED light source area array shell 5 and the LED light source area array shell cover 6 are preferably made of aluminum, so that the structural weight is reduced, and the reliability is good. Mirror coating is coated on the shell cover and the interior of the shell, so that light mixing and light attenuation are facilitated. The acrylic light mixing plate in the LED light source area array shell cover 6 is made of methyl methacrylate monomer polymer materials, and has a good light mixing effect.
Having described embodiments of the present invention, the foregoing description is intended to be illustrative, not exhaustive, and not limited to the examples disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a multi-functional camouflage structure, its characterized in that, includes light guide fiber (1), absorbing material (2), perforation panel (3), LED light source area array (4), absorbing material (2) set up on perforation panel (3), the light source and light guide fiber (1) one-to-one of LED light source area array (4) are connected, wear out from absorbing material (2) after light guide fiber (1) is fixed to become required shape through perforation panel (3).
2. The multifunctional camouflage structure according to claim 1, wherein a refrigerator (6) is arranged on the side of the perforated sheet (3) close to the LED light source area array (4).
3. The multifunctional camouflage structure according to claim 1, wherein a water-cooled heat sink (8) is arranged on one surface of the refrigerator (6) close to the LED light source area array (4).
4. Multifunctional camouflage structure according to claim 1, wherein said light conducting optical fibers (1) are ball-head light conducting optical fibers.
5. The multifunctional camouflage structure according to claim 1, wherein the light guide fiber (1) is polymethyl methacrylate.
6. The multifunctional camouflage structure of claim 1, wherein the wave absorbing material (2) is a black wedge-shaped material made of polyurethane foam.
7. The multifunctional camouflage structure according to claim 1, wherein the wavelength of the LED light sources in the LED light source area array (4) is 400nm to 900 nm.
8. The multifunctional camouflage structure according to claim 1, wherein the light sources of the LED light source area array (4) are arranged in a matrix form, adjacent light sources are separated by 10nm, the brightness of each light source is controlled independently, and the spectrum of each wavelength band is fitted by adjusting the brightness combination.
CN202110694314.6A 2021-06-22 2021-06-22 Multifunctional camouflage structure Pending CN113504599A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110694314.6A CN113504599A (en) 2021-06-22 2021-06-22 Multifunctional camouflage structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110694314.6A CN113504599A (en) 2021-06-22 2021-06-22 Multifunctional camouflage structure

Publications (1)

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CN113504599A true CN113504599A (en) 2021-10-15

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077101A (en) * 1989-09-01 1991-12-31 The United States Of America As Represented By The Secretary Of The Army Three color infrared camouflage system
CN2927083Y (en) * 2006-06-16 2007-07-25 吉林省英科光电有限责任公司 Spherical light outlet end optical fiber
US20120318129A1 (en) * 2011-06-16 2012-12-20 Lockheed Martin Corporation Camouflage utilizing nano-optical arrays embedded in carbon matrix
CN109855326A (en) * 2019-02-26 2019-06-07 电子科技大学 A kind of adaptive infrared temperature control module
CN111321588A (en) * 2020-04-23 2020-06-23 上海曙雀贸易有限公司 Wave-absorbing material based on vertical micro-porous flexible non-woven fabric and preparation and application thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077101A (en) * 1989-09-01 1991-12-31 The United States Of America As Represented By The Secretary Of The Army Three color infrared camouflage system
CN2927083Y (en) * 2006-06-16 2007-07-25 吉林省英科光电有限责任公司 Spherical light outlet end optical fiber
US20120318129A1 (en) * 2011-06-16 2012-12-20 Lockheed Martin Corporation Camouflage utilizing nano-optical arrays embedded in carbon matrix
CN109855326A (en) * 2019-02-26 2019-06-07 电子科技大学 A kind of adaptive infrared temperature control module
CN111321588A (en) * 2020-04-23 2020-06-23 上海曙雀贸易有限公司 Wave-absorbing material based on vertical micro-porous flexible non-woven fabric and preparation and application thereof

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Application publication date: 20211015