JP2924086B2 - Monitor system for immunity measurement - Google Patents
Monitor system for immunity measurementInfo
- Publication number
- JP2924086B2 JP2924086B2 JP2133866A JP13386690A JP2924086B2 JP 2924086 B2 JP2924086 B2 JP 2924086B2 JP 2133866 A JP2133866 A JP 2133866A JP 13386690 A JP13386690 A JP 13386690A JP 2924086 B2 JP2924086 B2 JP 2924086B2
- Authority
- JP
- Japan
- Prior art keywords
- monitor system
- mirror
- specimen
- camera
- measurement
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0821—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning rooms and test sites therefor, e.g. anechoic chambers, open field sites or TEM cells
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、イミュニティ測定用モニターシステムに関
するものである。Description: TECHNICAL FIELD The present invention relates to a monitor system for immunity measurement.
（従来の技術） 近年、電子機器のIC化が進んだ結果、電子機器が発生
する電磁波によって電子機器が誤作動したり、コンピュ
ータのデータが狂うなど電磁波公害が深刻な問題となっ
ている。この電磁波対策のため、電子機器から発生する
電磁波ノイズを正確に測定する施設として電波暗室が用
いられている。この電波暗室は、壁からの反射を防ぐた
め、ピラミッド形状等の電波吸収体を壁や床に貼り付け
た構造とし、所定の位置に送受信アンテナを配置して、
ターンテーブル上に置かれた供試体（例えば、電子機器
等）から発生する電磁波ノイズを測定する。第３図に電
波暗室の平面図を示す。第３図において、12は電波吸収
体、14はシールド面、16は供試体を載せるターンテーブ
ル、18は送受信アンテナを設置するアンテナポジショナ
ー、20,22は扉である。(Prior Art) In recent years, as electronic devices have become more integrated, there has been a serious problem of electromagnetic wave pollution such as malfunctions of electronic devices due to electromagnetic waves generated by the electronic devices and inaccuracies in computer data. As a countermeasure against this electromagnetic wave, an anechoic chamber is used as a facility for accurately measuring electromagnetic noise generated from electronic devices. This anechoic chamber has a structure in which a radio wave absorber such as a pyramid is attached to the wall or floor to prevent reflection from the wall, and a transmitting / receiving antenna is arranged at a predetermined position,
Electromagnetic noise generated from a test object (for example, electronic equipment or the like) placed on a turntable is measured. FIG. 3 shows a plan view of the anechoic chamber. In FIG. 3, 12 is a radio wave absorber, 14 is a shield surface, 16 is a turntable on which a specimen is mounted, 18 is an antenna positioner for installing a transmitting / receiving antenna, and 20 and 22 are doors.
このような電波暗室において、供試体の放射妨害波に
よる影響を視覚的または映像でキャッチするシステムと
して、イミュニティ測定用モニターシステムがある。こ
の従来のイミュニティ測定用モニターシステムの例を第
４図に示す。第４図において、１は供試体としてのCR
T、２はCRT1への放射妨害波の影響を計測（監視）する
ための計測室、５は放射妨害波を出す送受信アンテナ、
６はCRT1画面の変化を表示するモニター、７は操作者、
16は据え置き型のターンテーブル、30はCRT1の画面の変
化をモニターするTVカメラである。ここで、ターンテー
ブル16には電波を反射しない木製やFRP製のものを使用
する。In such an anechoic chamber, there is a monitor system for immunity measurement as a system for visually or video catching the influence of a radiated interference wave of a specimen. FIG. 4 shows an example of this conventional immunity measurement monitor system. In FIG. 4, 1 is a CR as a specimen.
T, 2 is a measurement room for measuring (monitoring) the effects of radiated emissions on CRT1, 5 is a transmitting and receiving antenna that emits radiated emissions,
6 is a monitor for displaying changes on the CRT1 screen, 7 is an operator,
Reference numeral 16 denotes a stationary turntable, and reference numeral 30 denotes a TV camera that monitors changes in the screen of the CRT 1. Here, a turntable 16 made of wood or FRP that does not reflect radio waves is used.
このような構成のイミュニティ測定用モニターシステ
ムにおいて、アンテナ５から放射される放射妨害波をタ
ーンテーブル16上のCRT1が受けると、CRT画面がその影
響を受けて変化する。この変化をTVカメラ30を通してモ
ニターし、計測室２内のモニター６にその状態を表示す
る。計測室２内の操作者７はモニター６を見て視覚的に
イミュニティ（耐妨害波特性）測定を行う。In the immunity measurement monitor system having such a configuration, when the CRT 1 on the turntable 16 receives a radiated interference wave radiated from the antenna 5, the CRT screen changes due to the influence. This change is monitored through the TV camera 30, and the state is displayed on the monitor 6 in the measurement room 2. An operator 7 in the measurement room 2 visually observes the monitor 6 and performs immunity (anti-interference characteristic) visually.
上述のイミュニティ測定において使用されるTVカメラ
30は、それ自身が電波反射体のため、測定系の外乱とな
る。従って、TVカメラ30は影響の少ない位置、例えば電
波暗室の天井または壁コーナー部（第４図）に固定して
取り付けられている。TV camera used in the immunity measurement described above
30 is a disturbance of the measurement system because it is a radio wave reflector itself. Therefore, the TV camera 30 is fixedly attached to a position where the influence is small, for example, a ceiling or a wall corner of an anechoic chamber (FIG. 4).
（発明が解決しようとする課題） しかしながら、上記従来のシステムでは、TVカメラは
電波暗室の天井または壁コーナー部に固定して取り付け
られているため、供試体を載せているターンテーブルが
回転すると、供試体の周囲を見ることになり、イミュニ
ティ測定でCRT画面の連続的な変化を見ることができな
くなるという問題があった。(Problems to be Solved by the Invention) However, in the above-mentioned conventional system, since the TV camera is fixed to the ceiling or the corner of the wall of the anechoic chamber, when the turntable on which the specimen is mounted rotates, There is a problem in that the user has to look around the specimen and cannot see continuous changes on the CRT screen in immunity measurement.
本発明の目的は、このような従来の問題を解決し、タ
ーンテーブルの回転中も供試体の連続的な監視を可能と
するイミュニティ測定用モニターシステムを提供するこ
とにある。SUMMARY OF THE INVENTION An object of the present invention is to solve such a conventional problem and to provide an immunity measurement monitor system that enables continuous monitoring of a specimen while the turntable is rotating.
（課題を解決するための手段） 上記目的を達成するため、本発明のイミュニティ測定
用モニターシステムは、電波暗室内の供試体への放射妨
害波による影響を視覚的に監視するイミュニティ測定用
モニターシステムにおいて、上記供試体を載せる台に監
視カメラを組み込み、該監視カメラの周囲を電波吸収体
で取り囲んだ構造とし、上記監視カメラによりターンテ
ーブルの回転中も上記供試体の所定の位置の連続的な監
視を行うことに特徴がある。(Means for Solving the Problems) To achieve the above object, a monitor system for immunity measurement of the present invention is a monitor system for immunity measurement for visually monitoring the influence of a radiated interference wave on a specimen in an anechoic chamber. In the above, a surveillance camera is incorporated into a table on which the specimen is placed, and the surveillance camera is surrounded by a radio wave absorber, and the surveillance camera continuously rotates a predetermined position of the specimen while the turntable is rotating. It is characterized by monitoring.
また、本発明のイミュニティ測定用モニターシステム
は、電波暗室内の供試体への放射妨害波による影響を視
覚的に監視するイミュニティ測定用モニターシステムに
おいて、上記供試体を載せる台に監視カメラを組み込
み、該台上で電波測定に影響を与えない位置にミラーを
取り付け、該ミラーの裏面には電波吸収体を貼り付けた
構造とし、上記ミラーの角度を変えることにより、上記
監視カメラは上記ミラーを介して上記供試体の任意の位
置の監視を行うことに特徴がある。In addition, the immunity measurement monitor system of the present invention is an immunity measurement monitor system for visually monitoring the influence of radiated disturbance on a specimen in an anechoic chamber. A mirror is mounted on the table at a position that does not affect radio wave measurement, and a radio wave absorber is attached to the back of the mirror. By changing the angle of the mirror, the surveillance camera can be connected via the mirror. It is characterized in that an arbitrary position of the specimen is monitored.
（作用） 本発明においては、上記供試体を載せる台に監視カメ
ラを組み込み、該監視カメラの周囲を電波吸収体で取り
囲んだ構造とし、上記監視カメラによりターンテーブル
の回転中も上記供試体の所定の位置の連続的な監視を行
う。(Operation) In the present invention, a surveillance camera is mounted on a table on which the test specimen is mounted, and the surveillance camera is surrounded by a radio wave absorber. Continuous monitoring of the position of
また、本発明においては、上記供試体を載せる台に監
視カメラを組み込み、該台上で電波測定に影響を与えな
い位置にミラーを取り付け、該ミラーの裏面には電波吸
収体を貼り付けた構造とし、上記ミラーの角度を変える
ことにより、上記監視カメラは上記ミラーを介して上記
供試体の任意の位置の監視を行う。これらにより、供試
体の連続的な監視や任意の位置の監視ができる。Further, in the present invention, a structure in which a surveillance camera is incorporated in a table on which the specimen is placed, a mirror is mounted on the table at a position that does not affect radio wave measurement, and a radio wave absorber is attached to the back surface of the mirror. By changing the angle of the mirror, the surveillance camera monitors an arbitrary position of the specimen via the mirror. Thus, continuous monitoring of the specimen and monitoring of an arbitrary position can be performed.
（実施例） 以下、本発明の実施例を、図面により詳細に説明す
る。(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
第１図は、本発明の一実施例を示すイミュニティ測定
用モニターシステムの構成図である。FIG. 1 is a configuration diagram of an immunity measurement monitor system showing one embodiment of the present invention.
第１図において、１は供試体としてのCRT、２は計測
室、３はターンテーブル16に組み込み電磁シールドを施
したTVカメラ（監視カメラ）、４はTVカメラ３の電波反
射を防止するための電波吸収体、５は放射妨害波を出す
アンテナ、６はモニター、７は操作者、16はCRT（供試
体）１を載せるターンテーブル（木製またはFRP製
等）、18はアンテナポジショナーである。In FIG. 1, 1 is a CRT as a specimen, 2 is a measurement room, 3 is a TV camera (surveillance camera) incorporated in a turntable 16 and provided with an electromagnetic shield, and 4 is a device for preventing the TV camera 3 from reflecting radio waves. A radio wave absorber, 5 is an antenna for emitting radiated interference, 6 is a monitor, 7 is an operator, 16 is a turntable (made of wood or FRP) on which a CRT (test sample) 1 is mounted, and 18 is an antenna positioner.
本実施例では、第１図に示すように、TVカメラ３にシ
ールドを施し、そのシールドを施したTVカメラ３を、タ
ーンテーブル16に組み込み、CRT1の画面をモニター（監
視）できるように取り付けている。そして、TVカメラ３
が放射妨害電波を反射するのを防ぐため、TVカメラ３の
周囲を電波吸収体４で取り囲んでいる。これにより、タ
ーンテーブル16上のCRT1と同時にTVカメラ３も回転する
ことになるので、回転中もCRT画面の１点を連続的に監
視できる。In this embodiment, as shown in FIG. 1, the TV camera 3 is shielded, the shielded TV camera 3 is incorporated into the turntable 16, and the screen of the CRT 1 is attached so as to be monitored (monitored). I have. And TV camera 3
The TV camera 3 is surrounded by a radio wave absorber 4 in order to prevent the radio wave from reflecting the radiated radio wave. As a result, the TV camera 3 rotates simultaneously with the CRT 1 on the turntable 16, so that one point on the CRT screen can be continuously monitored even during rotation.
イミュニティ測定については、従来の技術と同様であ
るので、本実施例では説明を省略することとし、詳細測
定については従来の技術の説明を参照されたい。Since the immunity measurement is the same as that of the conventional technique, the description thereof will be omitted in the present embodiment. For the detailed measurement, refer to the description of the conventional technique.
第２図は、本発明の他の実施例を示すイミュニティ測
定用モニターシステムの構成図である。FIG. 2 is a configuration diagram of a monitor system for immunity measurement showing another embodiment of the present invention.
第２図において、１は供試体としてのCRT、２は計測
室、５は放射妨害波を出すアンテナ、６はモニター、７
は操作者、８はターンテーブル16に組み込み、電磁シー
ルドを施したTVカメラ（監視カメラ）、９はCRT1の画面
を反射させるミラー、16はCRT（供試体）１を載せるタ
ーンテーブル（木製またはFRP製）、18はアンテナポジ
ショナーである。In FIG. 2, 1 is a CRT as a specimen, 2 is a measurement room, 5 is an antenna for emitting radiated emission, 6 is a monitor, 7
Is an operator, 8 is a TV camera (surveillance camera) with an electromagnetic shield provided in the turntable 16, 9 is a mirror that reflects the screen of the CRT 1, and 16 is a turntable (wooden or FRP) on which the CRT (sample) 1 is placed. 18) is an antenna positioner.
他の実施例では、第２図に示すように、TVカメラ８に
シールドを施し、そのシールドを施したTVカメラ８を、
ターンテーブル16に対して垂直に組み込み、CRT1の画面
をターンテーブル16上に取り付けたミラー９を介してモ
ニター（監視）できるようにしている。また、ミラー９
の裏面には電波吸収体を貼り付けておき、ミラー９は電
波測定に影響を受けない位置に電波透明体の支持部材に
より取り付けている。これにより、本実施例に加えて任
意の位置、例えば供試体の正面、側面、上面、裏面等の
監視も可能となる。In another embodiment, as shown in FIG. 2, the TV camera 8 is shielded, and the shielded TV camera 8 is
The CRT 1 is mounted vertically on the turntable 16 so that the screen of the CRT 1 can be monitored via the mirror 9 mounted on the turntable 16. Also, mirror 9
A radio wave absorber is stuck on the back surface of the mirror, and the mirror 9 is attached to a position not affected by the radio wave measurement by a support member of the radio wave transparent body. Accordingly, in addition to the present embodiment, it is also possible to monitor an arbitrary position, for example, the front, side, top, and back surfaces of the specimen.
上述した本実施例及び他の実施例では、供試体を載せ
る台として、据え置き型のターンテーブルを用い、この
ターンテーブルに監視カメラを組み込む構造としたが、
これに限定されることなく、電波暗室のターンテーブル
として床埋込み型のターンテーブルを使用し、そのター
ンテーブル上に木製等の電波を反射しない台を置き、そ
の台に監視カメラ等を組み込む構造としてもよいことは
言うまでもない。In the above-described present embodiment and other embodiments, a stationary type turntable is used as a table on which the test specimen is mounted, and the surveillance camera is incorporated in the turntable.
Without being limited to this, a structure that uses an embedded floor type turntable as a turntable of an anechoic chamber, places a table such as a wooden board on the turntable that does not reflect radio waves, and incorporates a surveillance camera etc. into the table Needless to say, it is good.
（発明の効果） 以上説明したように、本発明によれば、供試体を載せ
る台に監視カメラを組み込む構造にしたことにより、供
試体の回転中も供試体の一点を連続的に監視できるよう
になる。さらに、ミラーを用いることにより、任意の位
置の監視ができるようになる。(Effect of the Invention) As described above, according to the present invention, by adopting a structure in which a monitoring camera is incorporated in a table on which a specimen is mounted, one point of the specimen can be continuously monitored even during rotation of the specimen. become. Further, the use of the mirror enables monitoring of an arbitrary position.
第１図は本発明の一実施例を示すイミュニティ測定用モ
ニターシステムの構成図、 第２図は本発明の他の実施例を示すイミュニティ測定用
モニターシステムの構成図、 第３図は電波暗室の平面図、 第４図は従来例を説明するための図である。 １……CRT、２……計測室、３……TVカメラ、４……電
波吸収体、５……アンテナ、６……モニター、７……操
作者、８……TVカメラ、９……ミラー。FIG. 1 is a configuration diagram of an immunity measurement monitor system showing one embodiment of the present invention, FIG. 2 is a configuration diagram of an immunity measurement monitor system showing another embodiment of the present invention, and FIG. FIG. 4 is a plan view for explaining a conventional example. 1 ... CRT, 2 ... Measurement room, 3 ... TV camera, 4 ... Electromagnetic absorber, 5 ... Antenna, 6 ... Monitor, 7 ... Operator, 8 ... TV camera, 9 ... Mirror .
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) G01R 29/08 G01R 31/00 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) G01R 29/08 G01R 31/00
Claims (2)
影響を視覚的に監視するイミュニティ測定用モニターシ
ステムにおいて、 上記供試体を載せる台に監視カメラを組み込み、該監視
カメラの周囲を電波吸収体で取り囲んだ構造とし、 上記監視カメラによりターンテーブルの回転中も上記供
試体の所定の位置の連続的な監視を行うことを特徴とす
るイミュニティ測定用モニターシステム。1. An immunity measurement monitor system for visually monitoring the influence of radiated disturbance on a test object in an anechoic chamber, wherein a surveillance camera is mounted on a table on which the test object is mounted, and a radio wave is transmitted around the surveillance camera. A immunity measurement monitor system having a structure surrounded by an absorber, wherein the monitoring camera continuously monitors a predetermined position of the specimen while the turntable is rotating.
影響を視覚的に監視するイミュニティ測定用モニターシ
ステムにおいて、 上記供試体を載せる台に監視カメラを組み込み、該台上
で電波測定に影響を与えない位置にミラーを取り付け、
該ミラーの裏面には電波吸収体を貼り付けた構造とし、 上記ミラーの角度を変えることにより、上記監視カメラ
は上記ミラーを介して上記供試体の任意の位置の監視を
行うことを特徴とするイミュニティ測定用モニターシス
テム。2. An immunity measurement monitor system for visually monitoring the influence of a radiated disturbance on a test object in an anechoic chamber, wherein a monitoring camera is installed on a table on which the test object is mounted, and radio wave measurement is performed on the table. Attach the mirror in a position that does not affect,
A radio wave absorber is attached to the back surface of the mirror, and the surveillance camera monitors an arbitrary position of the specimen through the mirror by changing the angle of the mirror. Monitor system for immunity measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2133866A JP2924086B2 (en) | 1990-05-25 | 1990-05-25 | Monitor system for immunity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2133866A JP2924086B2 (en) | 1990-05-25 | 1990-05-25 | Monitor system for immunity measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0429069A JPH0429069A (en) | 1992-01-31 |
| JP2924086B2 true JP2924086B2 (en) | 1999-07-26 |
Family
ID=15114887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2133866A Expired - Fee Related JP2924086B2 (en) | 1990-05-25 | 1990-05-25 | Monitor system for immunity measurement |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2924086B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7688246B2 (en) | 2005-05-10 | 2010-03-30 | Fuji Xerox Co., Ltd. | Radio wave absorber, electromagnetic field measurement system and radiated immunity system |
| JP2007033254A (en) * | 2005-07-27 | 2007-02-08 | Murata Mfg Co Ltd | Anechoic chamber |
| ES2749459T3 (en) * | 2011-06-15 | 2020-03-20 | Bluetest Ab | Improved method and device for measuring the performance of antennas, cell phones and other wireless terminals |
| JP6183925B2 (en) * | 2015-07-23 | 2017-08-23 | 日本電信電話株式会社 | Radiation immunity test apparatus and method |
| JP7042243B2 (en) * | 2019-09-05 | 2022-03-25 | アンリツ株式会社 | Radio anechoic box, measuring device and posture monitoring method to be tested |
-
1990
- 1990-05-25 JP JP2133866A patent/JP2924086B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0429069A (en) | 1992-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2574409B2 (en) | Electromagnetic anechoic chamber for EMC test and its shielding material | |
| US9244105B2 (en) | Portable spherical near-field antenna measurement system | |
| US7459916B2 (en) | Electromagnetic shielding defect monitoring system and method for using the same | |
| US5153524A (en) | Testing electromagnetic shielding effectiveness of shielded enclosures | |
| JP2924086B2 (en) | Monitor system for immunity measurement | |
| JP2949981B2 (en) | Electromagnetic immunity test equipment | |
| Chung et al. | Design and construction of a multipurpose wideband anechoic chamber | |
| USH821H (en) | Means and method for performing shielding effectiveness measurements using mode-stirred chambers | |
| US6119808A (en) | Transportable acoustic screening chamber for testing sound emitters | |
| CN211663133U (en) | Complex electromagnetic environment evaluation height protection mobile test vehicle | |
| JP2000180489A (en) | Simple electromagnetic wave-measuring box | |
| JP3696118B2 (en) | Anechoic box in noise visualization system | |
| JP2008241661A (en) | Emi measuring system | |
| JPH08112266A (en) | Simulator for scan room of mri apparatus | |
| CN214381196U (en) | Complete vehicle fault phenomenon video monitoring equipment in electromagnetic compatibility test room | |
| JP2584466Y2 (en) | Anechoic chamber | |
| JP2007502972A (en) | An anechoic chamber for direct observation of the electromagnetic behavior of the equipment under investigation | |
| CN210372803U (en) | Multimedia security monitoring device | |
| JPH0643197A (en) | Distribution estimating apparatus | |
| CN209841773U (en) | Novel wall crack scanning system | |
| Vrooman | Vehicle level EMC testing methodology and correlation | |
| JP2839487B2 (en) | Antenna efficiency measurement method | |
| JP2969772B2 (en) | Anechoic chamber | |
| CN218213072U (en) | Rotatable wave-transparent incubator and test system | |
| JPH05333072A (en) | Method for estimating radiated interference wave distribution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080507 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090507 Year of fee payment: 10 |
|
| LAPS | Cancellation because of no payment of annual fees |