WO2018126601A1 - Cape d'invisibilité de protection contre les impulsions électromagnétiques à structure incurvée - Google Patents

Cape d'invisibilité de protection contre les impulsions électromagnétiques à structure incurvée Download PDF

Info

Publication number
WO2018126601A1
WO2018126601A1 PCT/CN2017/085955 CN2017085955W WO2018126601A1 WO 2018126601 A1 WO2018126601 A1 WO 2018126601A1 CN 2017085955 W CN2017085955 W CN 2017085955W WO 2018126601 A1 WO2018126601 A1 WO 2018126601A1
Authority
WO
WIPO (PCT)
Prior art keywords
inductor
capacitor
electromagnetic pulse
protection
curved shape
Prior art date
Application number
PCT/CN2017/085955
Other languages
English (en)
Chinese (zh)
Inventor
王羚
邓力
李书芳
张贯京
葛新科
高伟明
张红治
Original Assignee
深圳市景程信息科技有限公司
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 深圳市景程信息科技有限公司 filed Critical 深圳市景程信息科技有限公司
Publication of WO2018126601A1 publication Critical patent/WO2018126601A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D3/00—Overgarments
    • A41D3/08—Capes
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/0002—Details of protective garments not provided for in groups A41D13/0007 - A41D13/1281
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/02—Layered materials

Definitions

  • the present invention relates to the field of electromagnetic protection, and in particular, to an electromagnetic pulse protection stealth hood of a curved shape structure.
  • Electromagnetic pulses have a wide range of effects, high peak field strength, short rise time, wide frequency range, and high lethality. They not only pose a threat to the current miniaturization and integration of electronic information systems, but also The human body has caused various degrees of damage, which has become a great hidden danger. The emergence and maturity of electromagnetic pulse weapons has seriously affected the military security and social stability of countries all over the world.
  • circuit-level protection devices are mainly limited to amplitudes, filters, etc.
  • Existing circuit-level protection devices are limited in protection bandwidth, there is insertion loss and insertion loss increases and noise occurs under the action of high-power electromagnetic pulses. Permanent damage such as deterioration of the coefficient.
  • Space-level protection methods mainly include frequency selective surfaces, energy selective surfaces, metamaterial absorbers, and new materials (such as nanomaterials, graphene, plasma). Their protective bandwidth is limited, and there is no guarantee that the total reflection absorbs or attenuates the electromagnetic pulse. The protected object is more or less affected by the electromagnetic pulse, and the energy selective surface still exists before the protection function is fully activated. There is a hidden danger in the leakage of electromagnetic waves during a period of time.
  • the main object of the present invention is to provide an electromagnetic pulse protection stealth cloak with a curved shape structure, which aims to solve the technical problem of shielding electromagnetic pulses.
  • the present invention provides an electromagnetic pulse protection stealth cloak with a curved shape structure, and the electromagnetic pulse protection stealth cloak of the circular structure is composed of a plurality of curved shape protective layers, wherein each The curved protective layer is provided with a plurality of protection units from the inside to the outside; [0006] Each of the protection units has a dielectric constant of ⁇ and a magnetic permeability of ⁇ , wherein :
  • ⁇ is the angle between the line connecting the center point of the protection unit 100 and the center O in the protective layer 10 and the positive direction of the x-axis
  • r is the distance from the center point of the protective unit loo in the protective layer 10 to the center 0 of the protective layer 1
  • d is the length of the guard unit
  • X and y are the center point coordinates of each guard unit
  • ⁇ is the scaling between the outer curve and the inner curve of the protective layer.
  • the bottom of the electromagnetic pulse protection stealth cloak of the curved shape structure is provided with an annular ground plate, and a plurality of metallized tubes are disposed in the electromagnetic pulse protection stealth cloak of the curved shape structure, the metallized tube Vertically passing through the annular protective layer and connected to the annular ground plate, the metallized tube and The protection unit is connected, and the metallized tube is provided with a plurality of metallized holes;
  • the protection unit includes a first inductor, a second inductor, a third inductor, a fourth inductor, a fifth inductor, a first capacitor, a second capacitor, a third capacitor, and a fourth capacitor, wherein the first inductor and the second inductor
  • the third inductor and the fourth inductor are connected in series by a wire into a square structure, one end of the fifth inductor is connected between the first inductor and the fourth inductor, and the other end of the fifth inductor is at the second inductor and the third inductor
  • the first capacitor is connected to the wire connected in series between the first inductor and the second inductor
  • the second capacitor is connected to the wire connected in series between the first inductor and the fourth inductor
  • the third capacitor is connected a wire connected in series between the second inductor and the third inductor
  • the fourth capacitor being connected to a wire connected in series between the third inductor and the fourth inductor, the first capacitor, the second
  • d is the length of the protection unit
  • L , , 1 ⁇ 2 and 1 ⁇ 3 are the inductance values
  • C is the capacitance value.
  • the electromagnetic pulse frequency is a triangular electromagnetic pulse, a rectangular electromagnetic pulse, a sinusoidal electromagnetic pulse or a Gaussian electromagnetic pulse.
  • the present invention adopts the above technical solution, and brings the technical effects as follows:
  • the electromagnetic pulse protection stealth cloak of the curved shape structure of the invention can completely reflect, absorb or attenuate the electromagnetic pulse, and the protected object is not subjected to the electromagnetic pulse.
  • the impact of the electromagnetic pulse damage of the electronic information system is effectively avoided, and the life of the electronic information system is prolonged.
  • FIG. 1 is a schematic structural view of a preferred embodiment of an electromagnetic pulse protection stealth cloak of a curved shape structure of the present invention
  • FIG. 2 is a perspective view of a preferred embodiment of the electromagnetic pulse protection stealth cloak of the curved shape structure of the present invention
  • FIG. 3 is a cross-sectional view of a preferred embodiment of the electromagnetic pulse protection stealth cloak of the curved shape structure of the present invention.
  • FIG. 4 is a schematic view of a preferred embodiment of a guard unit in an electromagnetic pulse protection stealth cloak of a curved shape structure of the present invention.
  • FIG. 5 is a schematic view of a preferred embodiment of a guard unit in an electromagnetic pulse protection invisibility cloak of a regular polygonal structure of the present invention.
  • FIG. 6-1 to FIG. 6-4 are schematic diagrams of four electromagnetic pulses simulated by the electromagnetic pulse protection invisible cloak of a curved shape structure according to the present invention.
  • FIG. 7-1 to FIG. 7-3 are schematic diagrams of simulations of a triangular electromagnetic pulse for an electromagnetic pulse protection stealth cloak of a curved shape structure of the present invention.
  • 8-1 to 8-3 are schematic diagrams showing simulations of a rectangular electromagnetic pulse for an electromagnetic pulse protection stealth cloak of a curved shape structure of the present invention.
  • 9-1 to 9-3 are schematic diagrams showing simulations of a sinusoidal electromagnetic pulse of an electromagnetic pulse protection invisible cloak of a curved shape structure of the present invention.
  • 10-1 to 10-3 are schematic diagrams showing simulations of Gaussian electromagnetic pulses of the electromagnetic pulse protection stealth cloak of the curved shape structure of the present invention.
  • FIG. 1 is a schematic structural view of a preferred embodiment of an electromagnetic pulse protection stealth cloak of a curved shape structure of the present invention
  • FIG. 2 is a preferred embodiment of an electromagnetic pulse protection stealth cloak of a curved shape structure of the present invention.
  • 3 is a cross-sectional view of a preferred embodiment of an electromagnetic pulse protection invisible cloak of a curved shape structure of the present invention
  • FIG. 4 is a preferred embodiment of a protection unit in an electromagnetic pulse protection invisible cloak of the curved shape structure of the present invention.
  • Figure 5 is a schematic illustration of a preferred embodiment of a guard unit in an electromagnetic pulse protection invisible cloak of a curved shape structure of the present invention.
  • the electromagnetic pulse protection stealth cloak 1 of the curved shape structure of the present invention is superposed by a plurality of annular protective layers 10 to form a cylindrical structure.
  • the annular protective layer 10 includes an outer curve and an inner curve, and the outer curve and the inner curve are irregular curves, and the outer curve and the inner curve are scaled according to a preset ratio (for example, ⁇ ), wherein between the outer curve and the inner curve
  • a preset ratio for example, ⁇
  • each annular protective layer 10 includes a plurality of protective units 100 therein.
  • a plurality of guard units 100 are continuously disposed on each of the annular protective layers 10.
  • the bottom of the electromagnetic pulse protection stealth cloak 1 of the curved shape structure of the present invention is provided with an annular ground plate 20, and the electromagnetic pulse protection stealth cloak 1 of the curved shape structure is provided with a plurality of metallized tubes 106, the metallized tube
  • the metallized tube 106 is connected to the annular grounding plate 20, and the metallized tube 106 is connected to the shielding unit 100.
  • the metallized tube 106 is provided with a plurality of metallized holes 110.
  • the floor 20 and the metallization tube 107 may be omitted.
  • the protection unit 100 is a cubic structure.
  • Each of the guard units 100 has a dielectric constant of ⁇ and a magnetic permeability ⁇
  • ⁇ is the angle between the line connecting the center point of the protection unit 100 and the center O in the protective layer 10 and the positive direction of the x-axis
  • r is the center point of the protection unit 100 in the protective layer 10 to the center 0 of the protective layer 1 Distance
  • R (e) curve function (arbitrary curve can be represented by Fourier sequence)
  • d is the length of the guard unit 100
  • X and y are the coordinates of the center point of each guard unit 100
  • ⁇ is the outer curve and the inner layer of the protective layer 10
  • the scaling between the curves ( ⁇ is less than 1, the value of ⁇ is the ratio between the longest distance from the center 0 to the inner curve and the longest distance from the center 0 to the outer curve).
  • each of the protection units 100 is made of the above-mentioned material having a dielectric constant of ⁇ and a magnetic permeability of ⁇ , the protection against electromagnetic pulses can be completed.
  • the dielectric constant ⁇ and the magnetic permeability ⁇ of the shielding unit 100 at different positions on each of the annular protective layers 10 are not the same.
  • a plurality of guard units 100 made of a plurality of different materials can form an electromagnetic pulse protection, that is, guide the electromagnetic wave propagation path based on the conformal transformation theory and the optical transformation theory (refer to 2006, U. Leonhardt and JBPendry, respectively, In the journal Science, the theory of conformal transformation and the theory of optical transformation are proposed to guide electromagnetic waves. Propagation path) to protect electromagnetic pulses. Since the conformal transformation theory and the optical transformation theory are prior art, they are not described herein.
  • the material may be any of a variety of suitable materials such as nanomaterials, graphene materials, plasma materials, and the like.
  • each of the protection units 100 employs four inductors and one capacitor to obtain a material having an equivalent dielectric constant of ⁇ and a magnetic permeability ⁇ .
  • a metallized tube 106 is connected between the protective layer 10 and the protective layer 10. Specifically, as shown in FIG. 3 and FIG.
  • the protection unit 100 includes a first inductor 101, a second inductor 102, a third inductor 103, a fourth inductor 104, a fifth inductor 105, and a first capacitor 106. a second capacitor 107, a third capacitor 108, and a fourth capacitor 109, wherein the first inductor 101, the second inductor 102, the third inductor 103, and the fourth inductor 104 are connected in series by wires to form a square structure, and the fifth inductor 105 is One end is connected between the first inductor 101 and the fourth inductor 104, the other end of the fifth inductor 105 is connected between the second inductor 102 and the third inductor 103, and the first capacitor 106 is connected to the first inductor 101.
  • the second capacitor 107 is connected to a wire connected in series between the first inductor 101 and the fourth inductor 104
  • the third capacitor 108 is connected to the second inductor 102 and the third a wire connected in series between the inductors 103
  • the fourth capacitor 109 is connected to a wire connected in series between the third inductor 103 and the fourth inductor 104
  • the first capacitor 106, the second capacitor 107, the third capacitor 108, and the fourth Capacitors 109 are each connected to a metallization hole 110.
  • the inductance values of the second inductor 102 and the fourth inductor 104 are both 4L (refer to FIG.
  • the inductance of the fifth inductor 105 is 2L 2 (refer to FIG. 4)
  • the first inductor 101 and The inductance value of the third inductor 103 is 4L 3
  • the capacitance values of the first capacitor 106, the second capacitor 107, the third capacitor 108, and the fourth capacitor 109 are both C/4. among them,
  • d is the length of the protection unit 100
  • L, and L 2 L 3 are inductance values
  • C is a capacitance value. It should be noted that the adjacent protection units 100 in the same annular protection layer 10 are connected to each other (such as the connection manner of the four protection units 100 in FIG. 4, the protection unit 100 in the upper left corner and the protection unit 100 in the upper right corner) The protection unit in the lower left corner is connected).
  • the frequency range of the electromagnetic pulse is positive infinity to negative infinity, but the energy of the electromagnetic pulse is mainly concentrated in a certain frequency range, and f is the maximum frequency corresponding to the frequency range in which the electromagnetic pulse energy is concentrated.
  • FIG. 7-1 to FIG. 7-3 are schematic diagrams of simulations of the electromagnetic pulse protection stealth cloak of the curved shape structure of the present invention for the triangular electromagnetic pulse, as can be seen from FIG. 7-1 to FIG. 7-3, the triangular electromagnetic The pulse passes through the electromagnetic pulse protection stealth cloak of the curved shape structure, and the inner curve area of the electromagnetic pulse stealth cloak 1 does not have a triangular pulse passing through, wherein, referring to FIG.
  • FIG. 8-1 to 8-3 are schematic diagrams of simulations of rectangular electromagnetic pulses of the electromagnetic pulse protection stealth cloak of the curved shape structure of the present invention.
  • the rectangular electromagnetic pulse passes through
  • the electromagnetic pulse protection stealth cloak of the curved shape structure is 1 ⁇ , and the inner curve area of the electromagnetic pulse stealth cloak 1 does not have a rectangular pulse passing through, wherein, referring to FIG.
  • FIG. 9-1 to 9-3 are schematic diagrams showing the simulation of the sinusoidal electromagnetic pulse of the electromagnetic pulse protection stealth cloak of the curved shape structure of the present invention.
  • the sinusoidal electromagnetic pulse passes through
  • the electromagnetic pulse protection stealth cloak of the curved shape structure is 1 ⁇ , and the inner curved region of the electromagnetic pulse stealth cloak 1 does not have a sinusoidal pulse passing through, wherein, referring to FIG.
  • R(e) 0.7+0.1sin(e)+0.3sin(36)+0.2 cos(56)
  • the horizontal axis of the sinusoidal electromagnetic pulse represents the interturn
  • the unit is ns
  • the range is 0-35ns
  • the vertical axis represents current
  • the unit is mA.
  • FIG. 10-1 to 10-3 are schematic diagrams of simulation of a Gaussian electromagnetic pulse of an electromagnetic pulse protection stealth cloak of a curved shape structure of the present invention.
  • the Gaussian electromagnetic pulse passes through
  • the electromagnetic pulse protection stealth cloak of the curved shape structure is 1 ⁇
  • the horizontal axis represents the inter-turn
  • the unit is ns
  • the range is 0-35ns
  • the vertical axis represents current
  • the unit is mA.
  • the present invention adopts the above technical solution, and brings the technical effects as follows:
  • the electromagnetic pulse protection stealth cloak of the curved shape structure of the invention can completely reflect, absorb or attenuate electromagnetic pulses, and the protected object is not subjected to electromagnetic pulse.
  • the impact of the electromagnetic pulse damage of the electronic information system is effectively avoided, and the life of the electronic information system is prolonged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Magnetic Treatment Devices (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

L'invention concerne une cape d'invisibilité (1) de protection contre les impulsions électromagnétiques présentant une structure incurvée. La cape d'invisibilité est constituée de multiples couches (10) de protection incurvées empilées. Chacune des couches (10) de protection incurvées comporte de multiples unités (100) de protection disposées d'une face interne à une face externe. La cape d'invisibilité (1) de protection contre les impulsions électromagnétiques selon la présente invention peut réfléchir, absorber ou atténuer les impulsions électromagnétiques dans leur totalité, de sorte qu'un objet protégé ne soit pas influencé par les impulsions électromagnétiques.
PCT/CN2017/085955 2017-01-07 2017-05-25 Cape d'invisibilité de protection contre les impulsions électromagnétiques à structure incurvée WO2018126601A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710011637.4 2017-01-07
CN201710011637.4A CN107041577B (zh) 2017-01-07 2017-01-07 曲线形状结构的电磁脉冲防护隐身斗篷

Publications (1)

Publication Number Publication Date
WO2018126601A1 true WO2018126601A1 (fr) 2018-07-12

Family

ID=59543252

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/085955 WO2018126601A1 (fr) 2017-01-07 2017-05-25 Cape d'invisibilité de protection contre les impulsions électromagnétiques à structure incurvée

Country Status (2)

Country Link
CN (1) CN107041577B (fr)
WO (1) WO2018126601A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100110559A1 (en) * 2008-10-06 2010-05-06 Wenshan Cai System, method and apparatus for cloaking
CN104076924A (zh) * 2014-06-28 2014-10-01 西安电子科技大学 一种组合式电磁隐身装置
CN105828593A (zh) * 2016-05-31 2016-08-03 南京农业大学 一种屏蔽磁场不改变周围磁场分布的装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100110559A1 (en) * 2008-10-06 2010-05-06 Wenshan Cai System, method and apparatus for cloaking
CN104076924A (zh) * 2014-06-28 2014-10-01 西安电子科技大学 一种组合式电磁隐身装置
CN105828593A (zh) * 2016-05-31 2016-08-03 南京农业大学 一种屏蔽磁场不改变周围磁场分布的装置

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
LI, CHAO ET AL.: "A Novel Electromagnetic Stealth Method-Electromagnetic Invisible Cloaks", JOURNAL OF BEIJING INSTITUTE OF PETRO-CHEMICAL TECHNOLOGY, vol. 17, no. 1, 15 March 2009 (2009-03-15), pages 49 - 51, ISSN: 1008-2565 *
LI, CHAO ET AL.: "Experimental Observation of Invisibility to a Broadband Electromagnetic Pulse by a Cloak Using Transformation Media Based on Inductor-ca-pacitor Networks", PHYSICAL REVIEW B, vol. 81, no. 11, 22 March 2010 (2010-03-22), pages 1 - 8, XP055514382, ISSN: 1098-0121 *
SCHURIG, D. ET AL.: "Metamaterial Electromagnetic Cloak at Microwave Frequencies", SCIENCE, vol. 314, 19 October 2006 (2006-10-19), pages 977 - 980, XP055481859, ISSN: 0036-8075 *

Also Published As

Publication number Publication date
CN107041577A (zh) 2017-08-15
CN107041577B (zh) 2018-09-14

Similar Documents

Publication Publication Date Title
CN104347949B (zh) 一种超材料
CN104682013A (zh) 一种宽角度极化不敏感的低rcs超材料吸波器
CN112117546B (zh) C波段超宽带能量选择表面
JP2006128664A5 (fr)
CN102752995A (zh) 宽频带吸波超材料
WO2018126599A1 (fr) Cape d'invisibilité de protection contre les impulsions électromagnétiques ayant une structure elliptique
CN102781206B (zh) 一种吸波超材料
CN104321494A (zh) 利用掩埋的共振柱的地震波防尘壁
WO2018126600A1 (fr) Manteau d'invisibilité de protection contre les impulsions électromagnétiques ayant une structure sphérique
WO2018126598A1 (fr) Dispositif de protection contre les impulsions électromagnétiques ayant une structure carrée
CN109994839A (zh) 一种三维超材料吸波体
Gazizov et al. New printed structures for protection against UWB pulses
WO2018126601A1 (fr) Cape d'invisibilité de protection contre les impulsions électromagnétiques à structure incurvée
WO2018126602A1 (fr) Cape d'invisibilité de protection contre les impulsions électromagnétiques, présentant une structure polygonale irrégulière
RU2439722C1 (ru) Защитный экран от воздействия электромагнитных излучений
WO2018126583A1 (fr) Cape d'invisibilité de protection contre les impulsions électromagnétiques basée sur un circuit équivalent ayant une structure cylindrique
CN103094708A (zh) 吸波超材料
WO2018126596A1 (fr) Cape d'invisibilité de protection contre les impulsions électromagnétiques à structure carrée
KR20190016228A (ko) 항공기 용 하이브리드 전파흡수구조체
WO2018126582A1 (fr) Dispositif de protection contre les impulsions électromagnétiques, présentant une structure cylindrique
CN206452108U (zh) Rs232串口数据线路电磁脉冲浪涌保护器
CN115939771A (zh) 一种双频段基于tvs管瞬态强电磁抑制的能量选择表面
CN208938787U (zh) 一种防短路的共模电感器
CN207280295U (zh) 一种防弹衣
CN214960837U (zh) 一种吸波体结构

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17890587

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17890587

Country of ref document: EP

Kind code of ref document: A1