CN106900167B - The stealthy cape of the Spark gap of cylindrical structure based on equivalent circuit - Google Patents
The stealthy cape of the Spark gap of cylindrical structure based on equivalent circuit Download PDFInfo
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- CN106900167B CN106900167B CN201710011642.5A CN201710011642A CN106900167B CN 106900167 B CN106900167 B CN 106900167B CN 201710011642 A CN201710011642 A CN 201710011642A CN 106900167 B CN106900167 B CN 106900167B
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- Prior art keywords
- inductance
- cylindrical structure
- spark gap
- electromagnetic pulse
- stealthy cape
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
Abstract
The present invention provides a kind of stealthy cape of Spark gap of cylindrical structure based on equivalent circuit, stealthy cape is made of the superposition of multiple annular shield layers, the multiple metallization pipes of setting in stealthy cape, metallization pipe passes perpendicularly through annular shield layer and connect with annular earth plate, a plurality of circuit orbit is arranged in each annular shield layer from the inside to surface, multiple protective units are continuously set on every circuit orbit, the bottom of the stealthy cape of the Spark gap of cylindrical structure based on equivalent circuit is provided with an annular earth plate and multiple metallization pipe, metallization pipe passes perpendicularly through annular shield layer and connect with annular earth plate, plated through-hole is provided on the metallization pipe；Protective unit includes that four inductance and a capacitor, the capacitor in parallel are connect with plated through-hole.Implement the present invention can it is fully reflective, absorb or attenuate electromagnetic pulse, the object protected not will receive the influence of electromagnetic pulse.
Description
Technical field
The present invention relates to electromagnetic protection field more particularly to a kind of electromagnetic pulse of the cylindrical structure based on equivalent circuit are anti-
Protect stealthy cape.
Background technique
Electromagnetic pulse has sphere of action wide, and peak electric field is high, and the rise time is short, wide frequency range, and lethality is big to wait spies
Point is not only increasingly miniaturized the present age and constitutes threat with integrated electronic information, different journeys can be also caused to human body
The damage of degree, becomes great hidden danger, and the appearance of electromagnetic pulse weapon and reaches its maturity that even more to have seriously affected the world each
The military security and social stability of state.
Based on different purposes, existing means of defence can be divided into circuit-level means of defence and space grade means of defence, preceding
Person is for the conduction electromagnetic pulse in protection circuit, and the latter is for the electromagnetic pulse field in protective zone.Circuit-level protective device
Main Finite Amplitude device, filter etc., existing various circuit-level protective devices are restricted on protection bandwidth, there is insertion damage
It consumes and also will appear the permanent damages such as insertion loss increases, noise coefficient degenerates under the action of high-power electromagnetic pulse
Wound.Space grade means of defence mainly has frequency-selective surfaces, and energy selects surface, Meta Materials wave-absorber and new material (example
Such as nano material, graphene, plasma).Their protection bandwidth is all limited, and cannot be guaranteed fully reflective absorption
Or electromagnetic pulse is attenuated, the object protected more or less still will receive the influence of electromagnetic pulse, and energy selects surface
There is also the electromagnetic wave leakages of a period of time before safeguard function fully opens, and there are certain hidden danger.
Summary of the invention
The main purpose of the present invention is to provide a kind of Spark gap of cylindrical structure based on equivalent circuit is stealthy
Cape, it is intended to the technical issues of solving to Electro-Magnetic pulse Shielding.
To achieve the above object, the present invention provides a kind of Spark gap of cylindrical structure based on equivalent circuit is hidden
Body cape, the stealthy cape of Spark gap of the cylindrical structure based on equivalent circuit is by multiple annular shield layer superposition groups
At the bottom of the stealthy cape of Spark gap of the cylindrical structure based on equivalent circuit is provided with an annular ground connection
Multiple metallization pipes, the gold are arranged in the stealthy cape of Spark gap of the cylindrical structure based on equivalent circuit for plate
Categoryization pipe passes perpendicularly through the annular shield layer and connect with the annular earth plate, wherein each annular shield layer is from inner
A plurality of circuit orbit is set to outer, multiple protective units are continuously set on every circuit orbit, are provided on the metallization pipe
Plated through-hole；
The protective unit includes the first inductance, the second inductance, third inductance, the 4th inductance and capacitor, wherein the first electricity
Sense, the second inductance, third inductance, the 4th inductance and capacitor are in parallel, and the capacitor is connect with plated through-hole, the first inductance and the 4th
The distance between inductance is equal with the distance between the second inductance and third inductance, and the inductance value of the first inductance and the 4th inductance is equal
For Lθ/ 2, the inductance value of second inductance and third inductance is Lr/ 2, the capacitance of capacitor is Cz, wherein The thickness of Δ r annular shield layer, Δ θ
It is annular shield layer across angle, a is the inside radius of annular shield layer, and b is the outer radius of annular shield layer, and r is annular shield layer
The corresponding radius of middle protective unit, d are the distance between the first inductance and the 4th inductance, ε0For dielectric constant, the μ in vacuum0For
Magnetic conductivity in vacuum.
Preferably, the calculation of d is as follows: d=λ/3, λ=C/f, C are light velocity constant, f is that electromagnetic pulse energy is concentrated
The corresponding maximum frequency of frequency range.
Preferably, the electromagnetic pulse is triangle electromagnetic pulse, rectangle electromagnetic pulse, sinusoidal electromagnetic pulse or Gauss electricity
Magnetic field impulse.
The present invention by adopting the above technical scheme, bring technical effect are as follows: the cylinder of the present invention based on equivalent circuit
The stealthy cape of the Spark gap of structure can it is fully reflective, absorb or attenuate electromagnetic pulse, the object protected will not
It is influenced by electromagnetic pulse, effectively prevents the electromagnetic pulse that electronic information is subject to and destroy, extend electronic information system
The service life of system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit；
Fig. 2 is the preferred embodiment of the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit
Diagrammatic cross-section；
Fig. 3 is the preferred embodiment of the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit
Cross-sectional；
Fig. 4 is the schematic diagram of the stealthy cape layout of Spark gap of the cylindrical structure the present invention is based on equivalent circuit；
Fig. 5 is the excellent of protective unit in the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit
Select the schematic diagram of embodiment；
Fig. 6-1 to Fig. 6-4 be the present invention to the stealthy cape of the Spark gap of the cylindrical structure based on equivalent circuit into
The schematic diagram of four kinds of electromagnetic pulses when row emulation；
Fig. 7-1 to Fig. 7-3 is that the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit is directed to
The emulation schematic diagram of triangle electromagnetic pulse；
Fig. 8-1 to Fig. 8-3 is that the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit is directed to
The emulation schematic diagram of rectangle electromagnetic pulse；
Fig. 9-1 to Fig. 9-3 is that the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit is directed to
The emulation schematic diagram of sinusoidal electromagnetic pulse；
Figure 10-1 to Figure 10-3 is the stealthy cape needle of Spark gap of the cylindrical structure the present invention is based on equivalent circuit
To the emulation schematic diagram of Gauss electromagnetic pulse.
The object of the invention is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to a specific embodiment of the invention, structure, feature and its effect, detailed description are as follows.It should manage
Solution, the specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.
Shown in 5, Fig. 1 is the stealthy bucket of Spark gap of the cylindrical structure the present invention is based on equivalent circuit
The structural schematic diagram of paulin；Fig. 2 is the preferred of the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit
The diagrammatic cross-section of embodiment；Fig. 3 is the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit
The cross-sectional of preferred embodiment；Fig. 4 is that the Spark gap of the cylindrical structure the present invention is based on equivalent circuit is stealthy
The schematic diagram of cape layout；Fig. 5 is prevented in the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit
Protect the schematic diagram of the preferred embodiment of unit.The Spark gap of cylindrical structure of the present invention based on equivalent circuit is stealthy
Cape 1 is made of the superposition of multiple annular shield layers 10.The stealthy cape 1 of the Spark gap based on equivalent circuit is cylinder
Shape structure.The thickness of each annular shield layer 10 is d.Further, as shown in Fig. 2 to 5, each annular shield layer 10
Interior includes multiple protective units 100.Each annular shield layer 10 is arranged a plurality of circuit orbit from the inside to surface, on every circuit orbit
Multiple protective units 100 are continuously set.Wherein, the present invention is based on the stealthy buckets of the Spark gap of the cylindrical structure of equivalent circuit
The bottom of paulin 1 is provided with an annular earth plate 20, and the Spark gap of the cylindrical structure based on equivalent circuit is stealthy
The multiple metallization pipes 107 of setting in cape 1, the metallization pipe 107 pass perpendicularly through the annular shield layer 10 and with the ring
Shape earth plate 20 connects, and the metallization pipe 107 is connect with the protective unit 100, is provided with gold on the metallization pipe 107
Categoryization hole 106.
The dielectric constant of each protective unit 100 is ε, and magnetic conductivity is μ.
Wherein,
Wherein, a (i.e. such as a in Fig. 3) is the inside radius of annular shield layer 10, and b is the outer radius of annular shield layer 10, and
R is the corresponding radius of protective unit 100 in annular shield layer 10.
That is, if each protective unit 100 is ε with the dielectric constant of above-mentioned calculating and magnetic conductivity is the material of μ production
Material, can be completed the protection to electromagnetic pulse.It should be noted that the protection list of the different location on each annular shield layer 10
The permittivity ε and magnetic conductivity of member 100 are that μ is not identical.Multiple protective units 100 of a variety of different materials production can be formed
Protection to electromagnetic pulse, i.e., the propagation path (reference based on conformal mapping theory and optical transformation theory guide electromagnetic waves
2006, U.Leonhardt and J.B.Pendry et al. respectively simultaneously proposed on " science " magazine conformal mapping theory with
Optical transformation theory, the propagation path for guide electromagnetic waves), to protect electromagnetic pulse.Due to conformal mapping theory
It is the prior art with optical transformation theory, therefore not to repeat here.The material can be the nano material of different size, graphene
Other any appropriate materials such as material, plasma material.
Further, it is known to which the dielectric constant and magnetic conductivity of material L-C circuit network can carry out etc. in a distributed manner
Effect simulation.That is, for the material that above-mentioned dielectric constant is ε and magnetic conductivity is μ equivalent mould can be carried out using circuit
It is quasi-.Specifically, four inductance and a capacitor is used to carry out effective dielectric constant for ε and magnetic conductivity in each protective unit 100
For the material of μ.It is connected between protective layer 10 and protective layer 10 using plated through-hole 106.Specifically, as shown in Figures 4 and 5,
The protective unit 100 includes the first inductance 101, the second inductance 102, third inductance 103, the 4th inductance 104 and capacitor 105,
Wherein, the first inductance 101, the second inductance 102, third inductance 103, the 4th inductance 104 and capacitor 105 are in parallel, the capacitor
105, the capacitor 105 is connect with plated through-hole 106, the distance between the first inductance 101 and the 4th inductance 104 and the second inductance
The distance between 102 and third inductance 103 are equal.Wherein, the inductance value of the first inductance 101 and the 4th inductance 104 is Lθ/2
(referring to Figure 5).The inductance value of second inductance 102 and third inductance 103 is Lr/ 2 (referring to Figure 5), capacitor
105 capacitance is Cz.Wherein, Its
In, Δ r is the thickness of annular shield layer 10, and Δ θ is annular shield layer 10 across angle, and a (i.e. such as a in Fig. 3) is annular shield
The inside radius of layer 10, b is the outer radius of annular shield layer 10, and r is protective unit 100 corresponding half in annular shield layer 10
Diameter, d are the distance between the first inductance 101 and the 4th inductance 104 (or the second inductance 102 and third inductance 103), LθAnd Lr?
For inductance value, CzFor capacitance, ε0For dielectric constant, the μ in vacuum0For the magnetic conductivity in vacuum.It should be noted that same
(the connection side of four protective units 100 in such as Fig. 4 is connected with each other in a annular shield layer 10 between adjacent protective unit 100
Formula, the protective unit 100 in the upper left corner are connect with the protective unit of the protective unit 100 in the upper right corner and the lower left corner).
Further, in the present embodiment, Δ r is equal with d, and the calculation of d is as follows: d=λ/3, λ=C/f, C are light
Fast constant, f be electromagnetic pulse energy concentrate the corresponding maximum frequency of frequency range (frequency range of electromagnetic pulse is positive infinite
It is infinite to bearing, but the energy of electromagnetic pulse is concentrated mainly within the scope of certain frequency, f is the frequency that electromagnetic pulse energy is concentrated
The corresponding maximum frequency of range).For a rectangular pulse, the duration was 1 nanosecond, then the energy of the rectangular pulse mainly collects
In in 0-10GHz, then according to λ=C/f=3*108/10*109=3 centimetres, then the size of each protective unit 100 is less than or waits
In d=λ/3=3m/3=1cm.
In order to verify the cylindrical structure based on equivalent circuit the stealthy cape 1 of Spark gap protective performance,
Using the protective performance of the stealthy cape 1 of Spark gap of four kinds of electromagnetic pulses to the cylindrical structure based on equivalent circuit
It is verified.Fig. 6-1 to Fig. 6-4 is the present invention to the stealthy cape of the Spark gap of the cylindrical structure based on equivalent circuit
The schematic diagram of four kinds of electromagnetic pulses when being emulated.
Wherein, Fig. 7-1 to Fig. 7-3 is the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit
For the emulation schematic diagram of triangle electromagnetic pulse, from Fig. 7-1 to Fig. 7-3 as can be seen that described in triangle electromagnetic pulse process
When the stealthy cape 1 of the Spark gap of the cylindrical structure based on equivalent circuit, the inner circle of the stealthy cape 1 of electromagnetic pulse is not
Triangular pulse passes through, wherein in conjunction with Fig. 6-1, parameter a=0.3m, b=0.7m are horizontal in the figure of triangle electromagnetic pulse
Axis represents time, unit ns, range 0-35ns, and the longitudinal axis represents electric current, unit mA.
Fig. 8-1 to Fig. 8-3 is that the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit is directed to
The emulation schematic diagram of rectangle electromagnetic pulse can be seen that rectangle electromagnetic pulse from Fig. 8-1 to Fig. 8-3 by described based on equivalent
When the stealthy cape 1 of the Spark gap of the cylindrical structure of circuit, there is no rectangular pulses for the inner circle of the stealthy cape 1 of electromagnetic pulse
By, wherein in conjunction with Fig. 6-2, parameter a=0.3m, b=0.7m, horizontal axis represents the time in the figure of rectangle electromagnetic pulse, single
Position is ns, range 0-35ns, and the longitudinal axis represents electric current, unit mA.
Fig. 9-1 to Fig. 9-3 is that the stealthy cape of Spark gap of the cylindrical structure the present invention is based on equivalent circuit is directed to
The emulation schematic diagram of sinusoidal electromagnetic pulse can be seen that sinusoidal electromagnetic pulse from Fig. 9-1 to Fig. 9-3 by described based on equivalent
When the stealthy cape 1 of the Spark gap of the cylindrical structure of circuit, there is no sinusoidal impulses for the inner circle of the stealthy cape 1 of electromagnetic pulse
By, wherein in conjunction with Fig. 6-3, parameter a=0.3m, b=0.7m, horizontal axis represents the time in the figure of sinusoidal electromagnetic pulse, single
Position is ns, range 0-35ns, and the longitudinal axis represents electric current, unit mA.
Figure 10-1 to Figure 10-3 is the stealthy cape needle of Spark gap of the cylindrical structure the present invention is based on equivalent circuit
To the emulation schematic diagram of Gauss electromagnetic pulse, from Figure 10-1 to Figure 10-3 as can be seen that being based on described in Gauss electromagnetic pulse process
When the stealthy cape 1 of the Spark gap of the cylindrical structure of equivalent circuit, there is no Gausses for the inner circle of the stealthy cape 1 of electromagnetic pulse
Pulse is passed through, wherein in conjunction with Fig. 6-4, parameter a=0.3m, b=0.7m, when horizontal axis represents in the figure of Gauss electromagnetic pulse
Between, unit ns, range 0-35ns, the longitudinal axis represent electric current, unit mA.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content, or between or be used in other relevant skills indirectly
Art field, is included within the scope of the present invention.
Claims (3)
1. a kind of stealthy cape of Spark gap of cylindrical structure based on equivalent circuit, which is characterized in that it is described based on etc.
The stealthy cape of Spark gap for imitating the cylindrical structure of circuit is made of the superposition of multiple annular shield layers, described to be based on equivalent electricity
The bottom of the stealthy cape of the Spark gap of the cylindrical structure on road is provided with an annular earth plate, described to be based on equivalent circuit
Cylindrical structure the stealthy cape of Spark gap in the multiple metallization of setting manage, the metallization pipe passes perpendicularly through the ring
Shape protective layer is simultaneously connect with the annular earth plate, wherein and a plurality of circuit orbit is arranged in each annular shield layer from the inside to surface,
Multiple protective units are continuously set on every circuit orbit, are provided with plated through-hole on the metallization pipe；
The protective unit includes the first inductance, the second inductance, third inductance, the 4th inductance and capacitor, wherein the first inductance,
Second inductance, third inductance, the 4th inductance and capacitor are in parallel, and the capacitor is connect with plated through-hole, the first inductance and the 4th electricity
The distance between sense is equal with the distance between the second inductance and third inductance, and the inductance value of the first inductance and the 4th inductance is
Lθ/ 2, the inductance value of second inductance and third inductance is Lr/ 2, the capacitance of capacitor is Cz, wherein The thickness of Δ r annular shield layer,
Δ θ is annular shield layer across angle, and a is the inside radius of annular shield layer, and b is the outer radius of annular shield layer, and r is annular shield
The corresponding radius of protective unit in layer, d are the distance between the first inductance and the 4th inductance, ε0For dielectric constant, the μ in vacuum0
For the magnetic conductivity in vacuum.
2. the stealthy cape of the Spark gap of the cylindrical structure based on equivalent circuit, feature exist as described in claim 1
In the calculation of d is as follows: the frequency range pair that d=λ/3, λ=C/f, C are light velocity constant, f is electromagnetic pulse energy concentration
The maximum frequency answered.
3. the stealthy cape of the Spark gap of the cylindrical structure based on equivalent circuit, feature exist as claimed in claim 2
In the electromagnetic pulse is triangle electromagnetic pulse, rectangle electromagnetic pulse, sinusoidal electromagnetic pulse or Gauss electromagnetic pulse.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011642.5A CN106900167B (en) | 2017-01-07 | 2017-01-07 | The stealthy cape of the Spark gap of cylindrical structure based on equivalent circuit |
| PCT/CN2017/084469 WO2018126583A1 (en) | 2017-01-07 | 2017-05-16 | Equivalent circuit-based electromagnetic pulse protection invisibility cloak having cylindrical structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011642.5A CN106900167B (en) | 2017-01-07 | 2017-01-07 | The stealthy cape of the Spark gap of cylindrical structure based on equivalent circuit |
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| Publication Number | Publication Date |
|---|---|
| CN106900167A CN106900167A (en) | 2017-06-27 |
| CN106900167B true CN106900167B (en) | 2019-03-01 |
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| CN201710011642.5A Expired - Fee Related CN106900167B (en) | 2017-01-07 | 2017-01-07 | The stealthy cape of the Spark gap of cylindrical structure based on equivalent circuit |
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| CN (1) | CN106900167B (en) |
| WO (1) | WO2018126583A1 (en) |
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| CN111628264B (en) * | 2020-06-11 | 2021-11-09 | 太原理工大学 | Method for constructing near-zero refractive index material by using common dielectric medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464714A (en) * | 2014-11-05 | 2015-03-25 | 大连理工大学 | Three-dimensional sound invisible cloak structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160087342A1 (en) * | 2013-05-07 | 2016-03-24 | Board Of Regents, The University Of Texas System | Circuit-loaded conformal metasurface cloak |
| CN104076924B (en) * | 2014-06-28 | 2017-04-05 | 西安电子科技大学 | A kind of combined electromagnetic concealed device |
| CN105823378B (en) * | 2016-05-06 | 2017-05-10 | 浙江大学 | Three-dimensional fully-polarized super-surface invisible cloak |
| CN105828593A (en) * | 2016-05-31 | 2016-08-03 | 南京农业大学 | Device capable of realizing magnetic field shielding without changing surrounding magnetic field distribution |
-
2017
- 2017-01-07 CN CN201710011642.5A patent/CN106900167B/en not_active Expired - Fee Related
- 2017-05-16 WO PCT/CN2017/084469 patent/WO2018126583A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464714A (en) * | 2014-11-05 | 2015-03-25 | 大连理工大学 | Three-dimensional sound invisible cloak structure |
Non-Patent Citations (2)
| Title |
|---|
| Metamaterial Electromagnetic Cloak at Microwave Frequencies;SCHURIG, D. 等;《SCIENCE》;20061110;第314卷(第5801期);第48-52页 |
| 基于人工电磁材料的新型电磁隐身机制——电磁隐身斗篷;李超 等;《北京石油化工学院学报》;20090331;第17卷(第1期);第977-980页 |
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| Publication number | Publication date |
|---|---|
| CN106900167A (en) | 2017-06-27 |
| WO2018126583A1 (en) | 2018-07-12 |
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