JPH02309200A - Electromagnetic shield device for running body - Google Patents
Electromagnetic shield device for running bodyInfo
- Publication number
- JPH02309200A JPH02309200A JP12892689A JP12892689A JPH02309200A JP H02309200 A JPH02309200 A JP H02309200A JP 12892689 A JP12892689 A JP 12892689A JP 12892689 A JP12892689 A JP 12892689A JP H02309200 A JPH02309200 A JP H02309200A
- Authority
- JP
- Japan
- Prior art keywords
- outer shell
- metallic
- metal film
- running body
- vehicle
- 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
Links
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 7
- 239000011888 foil Substances 0.000 abstract description 7
- 239000011521 glass Substances 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 2
- 235000011890 sandwich Nutrition 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は航走体、航空機器等の電磁適合性に適用される
航走体の電磁シールド装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electromagnetic shielding device for a moving vehicle, which is applied to electromagnetic compatibility of a moving vehicle, aircraft equipment, and the like.
〔従来の技術］
従来は第６図に示すように、航走体１の５％軽減のため
に、外かく２の一部に、繊維強化プラスチック（以下Ｆ
ＲＰと云う）（第７図参照）等が使用されてきた。その
場合、非金属による電磁シールド′（電波障害遮断）効
果の不足を次のようにして補ってきた。[Prior art] As shown in Fig. 6, conventionally, in order to reduce the weight of the vehicle 1 by 5%, fiber-reinforced plastic (hereinafter referred to as F) was used in a part of the outer shell 2.
(referred to as RP) (see Fig. 7), etc. have been used. In such cases, the lack of electromagnetic shielding effect (blocking radio interference) due to non-metals has been compensated for in the following manner.
（ａ）搭載電子機器３の場合、機器の框体４に金属を使
用して電磁シールドする（第６図参照）。(a) In the case of the on-board electronic equipment 3, electromagnetic shielding is provided by using metal for the frame 4 of the equipment (see Fig. 6).
（ｂ）ケーブル５の場合、第８図に示すように、電線を
覆う収縮チューブの上にシールドチューブを着せていた
。(b) In the case of cable 5, as shown in FIG. 8, a shield tube was placed on top of the shrink tube that covered the electric wire.
ζ発明が解決しようとする課題〕 上記従来技術においては、次のような問題点があった。ζProblems to be solved by the invention] The above conventional technology has the following problems.
（ａ）搭載電子機器の場合、放熱のため、框体に空洞を
設ける必要があり、電磁シールド効果が低下する。(a) In the case of mounted electronic equipment, it is necessary to provide a cavity in the frame for heat radiation, which reduces the electromagnetic shielding effect.
（ｂ）ケーブルの場合、ケーブルががさばって収納性が
低下する。(b) In the case of cables, the cables become bulky and storage performance is reduced.
〔課題を解決するための手段］ 本発明は上記課題を解決するため次の手段を講する。[Means to solve the problem] The present invention takes the following measures to solve the above problems.
すなわち、航走体の電磁シールド装置として、（１）航
走体の非金属外かくと、同非金属外かく内にサンドイッ
チされる金属皮膜とを設ける。That is, as an electromagnetic shielding device for a vehicle, (1) a nonmetallic outer shell of the vehicle and a metal film sandwiched within the nonmetallic outer shell are provided.
（２）航走体の非金属外かくと、同非金属外かくの内表
面に蒸着された金属皮膜と、同金属皮膜の表面に施こさ
れた絶縁皮膜とを設ける。(2) A non-metallic outer shell of the vehicle is provided with a metal film deposited on the inner surface of the non-metallic outer shell and an insulating film applied on the surface of the metal film.
（３）非金属被覆を有するケーブルと、同ケーブルの表
面に蒸着された金属皮膜と、同金属皮膜の表面に施され
た絶縁皮膜とを設ける。(3) A cable having a non-metallic coating, a metal coating deposited on the surface of the cable, and an insulating coating applied to the surface of the metal coating are provided.
〔作用］
（１）上記（１）項及び（２）項の手段により、航走体
の非金属外かくは金属皮膜で覆われるため、金属外かく
製と同様に電磁シールド作用と効果を持つようになる。[Function] (1) By means of items (1) and (2) above, the non-metallic outer shell of the vehicle is covered with a metal film, so it has the same electromagnetic shielding effect and effect as a metallic outer shell. It becomes like this.
（２）上記（３）項の手段により、ケーブルは金属皮膜
で覆われるため、シールドケーブルと同様に、電磁シー
ルドされるようになる。(2) By means of item (3) above, the cable is covered with a metal film, so it becomes electromagnetically shielded like a shielded cable.
（１）本発明の請求項（１）の一実施例を第１図、第２
図および第４図により説明する。第１図にて、航走体１
の外かく２は頭部１１ａと後部１１ｂに金属材料を用い
、中央部に磁気シールド装置ｌＯを有する。磁気シール
ド装置１０の詳細を第２図の断面図に示す。すなわち磁
気シールド装置１０は外側より外側スキン（ＦＲＰ）２
１ａ、コア（ガラスマイクロバルーン）２２、アルミ箔
（金属皮膜）２３、内側スキン（ＦＲＰ）２１ｂが順次
重ね合され接合されたサンドイツチ板である。(1) An embodiment of claim (1) of the present invention is shown in FIGS.
This will be explained with reference to the drawings and FIG. In Figure 1, the vehicle 1
The outer shell 2 uses a metal material for the head portion 11a and the rear portion 11b, and has a magnetic shielding device IO in the center portion. The details of the magnetic shielding device 10 are shown in the sectional view of FIG. That is, the magnetic shielding device 10 has an outer skin (FRP) 2 from the outside.
1a, a core (glass microballoon) 22, an aluminum foil (metal film) 23, and an inner skin (FRP) 21b are successively stacked and bonded to each other to form a sandwich board.
以上の構成において、非金属性の外かくはアルミ箔で覆
われる。In the above configuration, the non-metallic outer shell is covered with aluminum foil.
金属皮膜の厚さをｔ（ｍ）、導電率をＧ、比透磁率をむ
とすると金属皮膜による電磁シールド効果Ｓ ［ｄＢＩ
の周波数特性はシエルクリノフの式から（１）ないし、
（３）式で表される。If the thickness of the metal film is t (m), the electrical conductivity is G, and the relative magnetic permeability is the electromagnetic shielding effect S [dBI
From Sierkulinoff's equation, the frequency characteristic of is (1) or
It is expressed by equation (3).
Ｓ＝Ａ＋Ｒ・・・（１）
Ａ：吸収損失［ｄＢＩ Ｒ：反射損失［ｄＢＩＡ
−１３１，４／１”Ｔ刀コ×ｔ ・・・（２
）Ｒ＝１０８．２２−１Ｏｆｆｉｏ ｆ／１０６＋１０
ｆｏｇＧ／μ、・・（３）ｒ−周波数［Ｈｚｌ
いま例えば、比導電率Ｇ＝０．５、比透磁率μ、−０，
５、厚さｔ−１００μ面の金属皮膜を仮定すると第４図
の実線で示すようなシールド効果かえられる。S=A+R...(1) A: Absorption loss [dBI R: Return loss [dBIA
-131,4/1”T sword xt...(2
)R=108.22-1Offio f/106+10
fogG/μ,...(3) r-frequency [Hzl For example, specific conductivity G=0.5, relative permeability μ, -0,
5. Assuming a metal film with a thickness of t-100μ, the shielding effect can be changed as shown by the solid line in FIG.
なお上記の構成で、アルミ箔２３をコア２２と内側スキ
ン２１ｂの間に挟んだが、外側スキン２１ａとコア２２
の間に挟んでもよく、また両者に挟んでもよい。Note that in the above configuration, the aluminum foil 23 is sandwiched between the core 22 and the inner skin 21b, but the aluminum foil 23 is sandwiched between the outer skin 21a and the core 22.
It may be sandwiched between them, or it may be sandwiched between them.
（２）本発明の請求項（２）の一実施例を第３図により
説明する。なお、上記実施例で説明した部分は説明を省
略し、本発明に関係ある部分を主体に説明する。図にて
、電磁シールド装置１０ａは外側スキン２１ａ、コア２
２、内側スキン２１ｂの非金属サンドイッチ板の内表面
に銅、アルミなどを主成分とする金属皮膜２４が蒸着さ
れ、さらにその内表面に絶縁性の塗料２５が施される。(2) An embodiment of claim (2) of the present invention will be explained with reference to FIG. Note that the explanation of the parts explained in the above embodiments will be omitted, and the explanation will mainly be given to the parts related to the present invention. In the figure, the electromagnetic shielding device 10a includes an outer skin 21a, a core 2
2. A metal film 24 mainly composed of copper, aluminum, etc. is deposited on the inner surface of the non-metallic sandwich plate of the inner skin 21b, and an insulating paint 25 is further applied to the inner surface.
このようにして非金属性の外かくは金属皮膜２４で覆わ
れ、電磁シールド効果を発揮するようになる。In this way, the non-metallic outer shell is covered with the metal film 24, and an electromagnetic shielding effect is exerted.
（３）本発明の請求項（３）の一実施例を第４図により
説明する。なお、従来例で説明した部分は、冗長さをさ
けるため説明を省略し、この発明に関する部分を主体に
説明する。(3) An embodiment of claim (3) of the present invention will be explained with reference to FIG. Note that the description of the portions described in the conventional example will be omitted to avoid redundancy, and the description will mainly focus on the portions related to the present invention.
非金属被覆を有するケーブルの最外皮、すなわち収縮チ
ューブ２６の表面に金属皮膜２７が蒸着される。さらに
その上に絶縁皮膜２日が施こされる。このようにして金
属皮膜２７で覆われ、電磁シールド効果を発揮するとと
もに、うすい皮膜なのでケーブルの収納性が向上する。A metal coating 27 is deposited on the outermost surface of the cable having a non-metallic coating, that is, on the surface of the shrink tube 26 . Furthermore, an insulating film is applied thereon for two days. In this way, it is covered with the metal film 27, exhibiting an electromagnetic shielding effect, and since the film is thin, the cable storage property is improved.
（発明の効果〕
以上に説明したように本発明によれば、非金属部が金属
皮膜で覆われるため電磁シールド効果を有するようにな
る。(Effects of the Invention) As explained above, according to the present invention, since the non-metal part is covered with the metal film, it has an electromagnetic shielding effect.
第１図は本発明の請求項（１） 、 （２）に係る実施
例の全体構成図、第２図は同請求項（１）の実施例の第
１図の■部詳細断面図、第３図は同請求項（２）の実施
例の第１図の１部の詳細断面図、第４図は本発明の請求
項（３）の一実施例の断面図、第５図は本発明の作用説
明図、第６図は従来例の全体構第８図は同従来例のケー
ブル部の詳細図である。
１ 航走体、 ２ 外かく。
５ ケーブル。
１０、１０ａ 磁気シールド装置。
２１ａ 外側スキン（ＦＲＰ）。
２１ｂ 内側スキン（ＦＲＰ） 。
２２ コア（ガラス・マイクロバルーン）、２３
アルミ箔、２４ 金属皮膜。
２５ 絶縁性の塗料、２６ 収縮チヱーブ。
２７ 金属皮膜、２８ 絶縁皮膜（塗料）。
代理人 弁理士 坂 間 院 外２２第１ 図
第２図
第３図
第４図
第５図
周波数ｆ ［ＭＨ２］
第６図
第７図
第８図FIG. 1 is an overall configuration diagram of an embodiment according to claims (1) and (2) of the present invention, and FIG. 2 is a detailed cross-sectional view of the section ■ in FIG. 3 is a detailed sectional view of a part of FIG. 1 of an embodiment of claim (2), FIG. 4 is a sectional view of an embodiment of claim (3) of the present invention, and FIG. 5 is a detailed sectional view of a part of FIG. FIG. 6 is a diagram showing the overall structure of the conventional example, and FIG. 8 is a detailed view of the cable section of the conventional example. 1. Navigation vehicle, 2. Outside. 5 Cable. 10, 10a Magnetic shielding device. 21a Outer skin (FRP). 21b Inner skin (FRP). 22 Core (glass microballoon), 23
Aluminum foil, 24 metal coating. 25 Insulating paint, 26 Shrink tube. 27 Metal coating, 28 Insulating coating (paint). Agent Patent Attorney Sakama In 22 Fig. 2 Fig. 3 Fig. 4 Fig. 5 Frequency f [MH2] Fig. 6 Fig. 7 Fig. 8
Claims (3)
ンドイッチされる金属皮膜とを備えてなることを特徴と
する航走体の電磁シールド装置。(1) An electromagnetic shielding device for a vehicle, comprising a non-metallic outer shell of the vehicle and a metal film sandwiched within the non-metallic outer shell.
面に蒸着された金属皮膜と、同金属皮膜の表面に施こさ
れた絶縁皮膜とを備えてなることを特徴とする航走体の
電磁シールド装置。(2) The non-metallic outer shell of the navigation vehicle is characterized by comprising a metal film deposited on the inner surface of the non-metallic outer shell, and an insulating film applied to the surface of the metal film. An electromagnetic shielding device for navigation vehicles.
面に蒸着された金属皮膜と、同金属皮膜の表面に施され
た絶縁皮膜とを備えてなることを特徴とする航走体の電
磁シールド装置。(3) An electromagnetic shield for a navigation vehicle characterized by comprising a cable having a non-metallic coating, a metal coating deposited on the surface of the cable, and an insulating coating applied to the surface of the metal coating. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12892689A JPH02309200A (en) | 1989-05-24 | 1989-05-24 | Electromagnetic shield device for running body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12892689A JPH02309200A (en) | 1989-05-24 | 1989-05-24 | Electromagnetic shield device for running body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02309200A true JPH02309200A (en) | 1990-12-25 |
Family
ID=14996806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12892689A Pending JPH02309200A (en) | 1989-05-24 | 1989-05-24 | Electromagnetic shield device for running body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02309200A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0614939U (en) * | 1992-07-29 | 1994-02-25 | 日本電子機器株式会社 | Magnetostrictive torque sensor |
| WO2023234246A1 (en) * | 2022-05-30 | 2023-12-07 | 三菱電機株式会社 | Magnetic micro-particle imaging device |
-
1989
- 1989-05-24 JP JP12892689A patent/JPH02309200A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0614939U (en) * | 1992-07-29 | 1994-02-25 | 日本電子機器株式会社 | Magnetostrictive torque sensor |
| WO2023234246A1 (en) * | 2022-05-30 | 2023-12-07 | 三菱電機株式会社 | Magnetic micro-particle imaging device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2208757A (en) | A dielectric waveguide | |
| CA1236555A (en) | Emi shielding for military shelters utilizing non- metallic construction | |
| JPH11138669A (en) | Honeycomb core structure, sheet structure, composite aircraft structure and sheet composite structure | |
| CA2055982A1 (en) | Thermoplastic film, reinforced hollow glass microsphere reinforced laminates for thin low dielectric constant substrates | |
| US20160021797A1 (en) | Box section housing motor vehicle power equipment forming electromagnetic screening | |
| JPS5816599A (en) | Method of electromagnetically shielding | |
| CN110024052A (en) | Electrical conduction and insulation composite | |
| JPH02309200A (en) | Electromagnetic shield device for running body | |
| KR20190001141U (en) | The conductive layer of the electromagnetic wave shielding film, | |
| JP2005047354A (en) | Roof module | |
| JPS63285808A (en) | Composite material hull structure | |
| JPH0426389Y2 (en) | ||
| CN211184812U (en) | Flexible composite conductive cloth with full-wave-band high shielding efficiency | |
| CN110450987A (en) | Electromagnetic absorption device and preparation method thereof between spacecraft bay section | |
| JPS6114102Y2 (en) | ||
| TWM395907U (en) | Structure for packaging electronic components | |
| JPS61176200A (en) | Electromagnetic shield tape | |
| JP2001185888A (en) | Shield case | |
| JPH088581A (en) | Shielding material with cushion | |
| JPH09129040A (en) | Electric cable for communication and manufacture thereof | |
| JPH01287999A (en) | Printed wiring board | |
| JPH06231621A (en) | Flexible wiring cable | |
| JPH0234874Y2 (en) | ||
| JPS60172534A (en) | Shielding member for electromagnetic wave | |
| JPH0142889Y2 (en) |