JP2005114377A - Shielding structure for environmental testing device - Google Patents

Shielding structure for environmental testing device Download PDF

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JP2005114377A
JP2005114377A JP2003345097A JP2003345097A JP2005114377A JP 2005114377 A JP2005114377 A JP 2005114377A JP 2003345097 A JP2003345097 A JP 2003345097A JP 2003345097 A JP2003345097 A JP 2003345097A JP 2005114377 A JP2005114377 A JP 2005114377A
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test chamber
test
door
humidity
interior surface
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JP3909052B2 (en
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Junichi Mizutani
純一 水谷
Mitsuo Shibagaki
光男 柴垣
Toshiyasu Tanaka
稔泰 田中
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Kusumoto Chemicals Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an environmental testing device, provided with a shielding function capable of shielding an electromagnetic wave to measure an accurate temperature/humidity. <P>SOLUTION: In this environmental testing device formed integrally with a testing chamber provided with a door for carry in and carry out of a sample, and comprising a testing area for testing the sample, and a blowing area for blowing prescribed temperature or humidity of atmosphere to the testing area by a fan, a machine room connected to the testing chamber and provided with a refrigerator, and a control room for setting and controlling the temperature or the humidity, an inner face for coating the door and an inside of the testing chamber is formed of a metal having electrical conductivity, such as stainless steel, and a metallic shielding packing formed substantially endlessly along an opening of the testing chamber, coming into contact with the opening side inner face of the testing chamber when closing the door, and having electrical conductivity is provided in the interior wall of the testing chamber. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、電波をシールドして正確な温・湿度の測定を行うことができる電界シールド機能を備えた環境試験器に関する。   The present invention relates to an environmental tester having an electric field shielding function capable of accurately measuring temperature and humidity by shielding radio waves.

従来、各種機器・部品について、種々の環境下での動作特性を測定する環境試験を行うために、内部を所望の雰囲気に設定することができる環境試験装置が知られている。
例えば、特許文献1に示すように、内部の試験室を所望の温度や湿度に設定することができる環境試験装置が挙げられる。
また、電波を用いた各種機器・部品について、様々な環境下での動作特性を測定する環境試験を行う必要がある。
そこで、従来のシールドルームやシールドボックスでは、外側壁面及び内側壁面の大部分を電気的導電性を有する金属板で構成して、電波の透過を遮断した構造としたものが知られている。
しかし、シールドルームやシールドボックスなどでは、低温から高温までの広い範囲においての精密な温湿度制御が構造上困難、あるいは不可能なために、電界遮蔽環境下で、温湿度環境試験器と同等の温湿度特性試験をする場合は、大型のシールドルーム内に温湿度環境試験器を持ち込み、これを実施する必要があった。
また、温湿度環境試験器では、外部に装着したファンモータの出力軸や、センサ類など壁面を貫通して装着される部材の場合、貫通孔との隙間をシリコンパッキンでシールしていたが、電波を十分にシールドすることは困難であった。
特開2001−255349号公報 特開平11−134039号公報
2. Description of the Related Art Conventionally, an environmental test apparatus capable of setting an interior to a desired atmosphere is known for performing an environmental test for measuring operation characteristics of various devices and parts under various environments.
For example, as shown in Patent Document 1, there is an environmental test apparatus that can set an internal test chamber to a desired temperature and humidity.
In addition, it is necessary to conduct environmental tests to measure the operating characteristics of various devices and parts using radio waves in various environments.
Thus, a conventional shield room or shield box is known in which most of the outer wall surface and the inner wall surface are made of a metal plate having electrical conductivity to block radio wave transmission.
However, in shielded rooms and shield boxes, precise temperature and humidity control over a wide range from low to high temperatures is difficult or impossible due to structural difficulties. When conducting a temperature / humidity characteristic test, it was necessary to bring a temperature / humidity environment tester into a large shield room.
In addition, in the temperature and humidity environment tester, in the case of a member that is mounted through the wall surface such as the output shaft of the fan motor mounted outside or the sensors, the gap between the through hole was sealed with silicon packing, It was difficult to sufficiently shield radio waves.
JP 2001-255349 A JP-A-11-134039

本発明は、上記事情に鑑みて創案されたものであって、その主たる課題は、温湿度環境試験器の構造自身に電界シ―ルド性を付加し、大規模かつ高価なシールドルームを用いることなく、電界遮蔽環境下における高精度な温湿度環境試験を容易に行うことができる電界シ―ルド温湿度環境試験器を提供することにある。
この発明の別の課題は、扉と試験室との間や、壁面を貫通して装着される部材の取付部分を電波遮蔽すると共に、同時に槽内の温湿度運転に伴う水分や水蒸気に対してのシール性を維持し、適切に環境試験を行いうる環境試験装置を提供することにある。
The present invention was devised in view of the above circumstances, and its main problem is to add electric field shielding to the structure of the temperature and humidity environment tester itself and to use a large-scale and expensive shield room. It is another object of the present invention to provide an electric field shield temperature and humidity environment tester capable of easily performing a highly accurate temperature and humidity environment test in an electric field shielding environment.
Another problem of the present invention is that it shields radio waves between the door and the test chamber or the mounting portion of the member that is mounted through the wall surface, and at the same time against moisture and water vapor accompanying temperature and humidity operation in the tank. It is an object of the present invention to provide an environmental test apparatus that can maintain the sealing performance and can appropriately perform an environmental test.

本発明は、上記課題を達成するために、請求項1の発明では、
サンプルを出入する扉を備え、上記サンプルのテストを行う試験区域と、該試験区域にファンで所定の温度または湿度の雰囲気を送風する送風区域とからなる試験室と、該試験室に接続されて冷凍機を備えた機械室と、前記温度または湿度の設定および制御を行う制御室とを一体に形成した環境試験器であって、
扉および試験室の内部を覆う内装面を、ステンレスなどの電気的導電性を有する金属で形成し、試験室の扉の内壁に、試験室の開口に沿って略無端状に形成されて、扉を閉じた際に試験室の開口側の内装面と電気的接触が可能な金属製のシールドパッキンを設けてなる、という技術的手段を講じている。
また、請求項2の発明では、上記環境試験器であって、シールド機能が、
試験室の断熱壁を貫通する杆状部材を支持し、試験室の内装面と電気的接触が可能な取付部材を形成すると共に、
該取付部材の構成部材間で外部に通じる隙間が生じないように密封手段を設けてなる、という技術的手段を講じている。
更に、請求項3の発明では、上記環境試験器であって、シールド機能が、
試験室の断熱壁を貫通するファンのシャフトを支持し、試験室の内装面と電気的接触が可能な取付部材を形成すると共に、該取付部材の構成部材間で外部に通じる隙間が生じないように密封手段を設け、
前記ファンのシャフトを中途位置で分断し、分断されたシャフトを連結する絶縁部材のジョイントを設けてなる、という技術的手段を講じている。
また、請求項4の発明では、
前記シャフトが、試験室に設けられたファンの回転軸と、外部に設けられたファンモータの出力軸とを接続するシャフトからなっている、という技術的手段を講じている。
請求項5の発明では、上記環境試験器であって、シールド機能が、請求項1から請求項3の構成要件を全て有するという技術的手段を講じている。
また、請求項6の発明では、
扉の内壁に試験室の開口に沿って略無端状に形成された気密用の弾性シール部材と、該弾性シール部材の外側または内側で略無端状に形成されて扉を閉じた際に試験室の開口側の内装面と電気的接触が可能な金属製のシールドパッキンとを設けてなる、という技術的手段を講じている。
請求項7の発明では、
杆状部材が、加温用ヒーター、加湿用ヒーター、加湿用のウイックパン、冷却コイルの導管、温度センサーまたは湿度センサーの全部または一部であって、
上記杆状部材を嵌挿した取付部材が、内装面に固定されて内側に突出する支持台部と、該支持台部にネジ止めされるプラグ部とからなっており、
密封手段が、プラグ部の先端に形成された楔部と、支持台部に形成されてプラグ部の先端を挿入可能な断面テーパ状の傾斜面部と、該傾斜面部より鋭角に形成されたプラグ部の先端に形成された楔部とからなっている、という技術的手段を講じている。
更に、請求項8の発明では、
ファンのシャフトを嵌挿した取付部材が、内装面に固定される内側支持片と、断熱壁に内蔵され上記内側支持片に先端の連結部が嵌め込まれて内方へ突出する軸受筒本体と、該軸受筒本体の後方に固定されて電波遮断性を有する断熱基台と、該断熱基台に固定されて断熱壁の外装面に衝合し、ファンモータに固定される外側鍔部とからなっており、
密封手段が、前記内側支持片の後端側に形成された断面テーパ状の傾斜面部と、軸受筒本体の前記傾斜面部と接する個所に形成された湾曲面部とからなって、前記連結部の先端に形成されたネジにナットを緊締して前記傾斜面部に湾曲面部を押しつけて密封してなる、という技術的手段を講じている。
また、請求項9の発明では、
内装面の貫通孔に、中央を貫通する孔を有し、先端に内装面の貫通孔の開口に掛止める前端フランジを有し断熱壁の中途位置まで内蔵されるステンレス製のキャップ受部を嵌合固着し、
上記キャップ受部の孔と連通して中央を貫通する孔を有し、後端に前記貫通孔の外装面の開口に掛止める後端フランジを有し、前記キャップ受部の延出端に嵌合固定されるガラス織布エポキシ樹脂製の筒体を設け、
前記キャップ受部にステンレス製のキャップを螺着して前方の開口を塞ぎ、
前記後端フランジに外側キャップを着脱可能に固定して後方の開口を塞ぐ測定口を有する、という技術的手段を講じている。
In order to achieve the above object, the present invention provides a first aspect of the present invention.
A test chamber having a door for entering and exiting the sample, a test area for testing the sample, and a ventilation area for blowing an atmosphere of a predetermined temperature or humidity with a fan in the test area; and connected to the test room An environmental tester in which a machine room provided with a refrigerator and a control room for setting and controlling the temperature or humidity are integrally formed,
The interior surface that covers the interior of the door and the test chamber is made of an electrically conductive metal such as stainless steel, and is formed on the inner wall of the test chamber door in an almost endless manner along the test chamber opening. Technical measures are taken to provide a metal shield packing that can be in electrical contact with the interior surface on the open side of the test chamber when closed.
Moreover, in invention of Claim 2, it is the said environmental test device, Comprising: The shielding function is,
Supporting the bowl-shaped member that penetrates the heat insulating wall of the test chamber, and forming an attachment member that can make electrical contact with the interior surface of the test chamber,
A technical means is provided in which a sealing means is provided so as not to generate a gap between the constituent members of the mounting member.
Furthermore, in invention of Claim 3, it is the said environmental test device, Comprising: The shielding function is,
The fan shaft that penetrates the heat insulation wall of the test chamber is supported, and an attachment member that can make electrical contact with the interior surface of the test chamber is formed, and a gap that leads to the outside does not occur between the constituent members of the attachment member. Is provided with a sealing means,
A technical means is provided in which the shaft of the fan is divided at an intermediate position, and a joint of an insulating member for connecting the divided shaft is provided.
In the invention of claim 4,
The technical means is that the shaft is composed of a shaft connecting a rotating shaft of a fan provided in a test chamber and an output shaft of a fan motor provided outside.
In the invention of claim 5, the environmental tester is provided with a technical means that the shield function has all the constituent elements of claims 1 to 3.
In the invention of claim 6,
An airtight elastic seal member formed substantially endlessly along the opening of the test chamber on the inner wall of the door, and a test chamber formed when the door is closed by being formed substantially endless outside or inside the elastic seal member The technical means of providing a metal shield packing capable of electrical contact with the interior surface on the opening side is taken.
In the invention of claim 7,
The bowl-shaped member is all or part of a heater for heating, a heater for humidification, a wick pan for humidification, a conduit for a cooling coil, a temperature sensor or a humidity sensor,
The mounting member into which the hook-shaped member is inserted is composed of a support base portion that is fixed to the interior surface and protrudes inward, and a plug portion that is screwed to the support base portion.
The sealing means includes a wedge portion formed at the tip of the plug portion, an inclined surface portion having a tapered cross section formed on the support base portion into which the tip of the plug portion can be inserted, and a plug portion formed at an acute angle from the inclined surface portion. The technical means that it consists of the wedge part formed in the front-end | tip of this is taken.
Furthermore, in the invention of claim 8,
An attachment member into which the fan shaft is inserted is an inner support piece fixed to the interior surface, a bearing cylinder main body that is built in the heat insulating wall and has a tip coupling portion fitted into the inner support piece and protrudes inward. A heat insulating base fixed to the rear of the main body of the bearing cylinder and having a radio wave blocking property; and an outer flange fixed to the heat insulating base and abutted against the exterior surface of the heat insulating wall and fixed to the fan motor. And
The sealing means comprises an inclined surface portion having a tapered cross section formed on the rear end side of the inner support piece, and a curved surface portion formed at a position in contact with the inclined surface portion of the bearing cylinder body, and the tip of the connecting portion A technical means is adopted in which a nut is fastened to a screw formed in the above and a curved surface portion is pressed against the inclined surface portion and sealed.
In the invention of claim 9,
A through hole in the interior surface has a hole that penetrates the center, and a front end flange that is hooked to the opening of the through hole in the interior surface at the tip, and a stainless steel cap receiving part that is built in midway through the heat insulating wall is fitted. Together,
It has a hole that communicates with the hole of the cap receiving part and penetrates the center, and has a rear end flange that engages with the opening of the exterior surface of the through hole at the rear end, and is fitted to the extended end of the cap receiving part. A glass woven cloth epoxy resin cylinder to be fixed together is provided,
A stainless steel cap is screwed onto the cap receiving portion to close the front opening,
A technical means is provided in which an outer cap is detachably fixed to the rear end flange and has a measurement port that closes the rear opening.

本発明の電界シールド機能を備えた環境試験器では、シールドルームやシールドボックスを用いなくても、電波をシールドして各種通信機器、部品サンプルのこれまでに不可能とされていた広範囲にわたる温・湿度環境下での特性試験や信頼性評価が可能となる。   The environmental tester equipped with the electric field shielding function of the present invention shields radio waves without using a shield room or a shield box, and covers a wide range of temperatures and temperatures that were previously impossible for various communication devices and component samples. Characteristic tests and reliability evaluation in a humidity environment are possible.

以下に、この発明の環境試験のシールド構造の好適実施例について図面を参照しながら説明する。   In the following, a preferred embodiment of the shield structure of the environmental test of the present invention will be described with reference to the drawings.

図1および図2に一例を示す環境試験器1は、サンプルのテストを行う試験区域4と、該試験区域4にファンFで所定の温度または湿度の雰囲気を送風する送風区域5とからなり前記試験区域4を開閉してサンプルを出入する扉6を備え断熱壁7で覆われた試験室3と、試験室3の下方で吸排気口と冷凍機を備えた機械室2と、上記試験室3の側方で制御パネルを有し、これら温・湿度の制御を行う制御室8とを一体に設けた構成からなっている。
そして、送風区域5には、温度制御センサー5aと湿度制御センサー5b、送風循環用のファンF、加熱ヒーター5c、前記冷凍機に接続された冷却コイル5d、加湿ヒーター5eや加湿用のウイックパン5e’などの加湿器などを備えて試験区域4に温湿度制御された雰囲気を送ることができる。
The environmental tester 1 shown in FIG. 1 and FIG. 2 as an example includes a test area 4 for testing a sample and an air blowing area 5 for blowing an atmosphere of a predetermined temperature or humidity to the test area 4 with a fan F. A test chamber 3 provided with a door 6 that opens and closes the test area 4 to enter and exit the sample and is covered with a heat insulating wall 7, a machine room 2 provided with an intake / exhaust port and a refrigerator below the test chamber 3, and the test chamber 3 has a control panel on the side and a control chamber 8 for controlling the temperature and humidity.
And in the ventilation area 5, the temperature control sensor 5a and the humidity control sensor 5b, the fan F for circulating air, the heater 5c, the cooling coil 5d connected to the refrigerator, the humidifier heater 5e, and the humid wick pan 5e. Humidifiers such as' can be provided to send a temperature and humidity controlled atmosphere to the test area 4.

上記試験室3は、周囲を断熱壁7で囲まれており、本実施例では、断熱壁7の内装面7aが、ステンレス鋼板からなっており、外装面7bは塗装仕上げの鋼板からなっている。
この試験室3の断熱壁7には、例えば以下の貫通孔が形成される。
(1)送風区域5に設けられたファンFと試験室3の外部(背面)に設けられたファンモータMとをつなぐシャフトSを取り付けるための貫通孔。
(2)温度制御センサー5aや湿度制御センサー5bの杆状端部、加熱ヒーター5cの杆状端部、冷却コイル5dの導管5d’、加湿ヒーター5eや加湿用のウイックパン5e’の杆状端部などを通す小径の貫通孔。
The test chamber 3 is surrounded by a heat insulating wall 7. In this embodiment, the inner surface 7 a of the heat insulating wall 7 is made of a stainless steel plate, and the outer surface 7 b is made of a painted steel plate. .
For example, the following through holes are formed in the heat insulating wall 7 of the test chamber 3.
(1) A through-hole for attaching a shaft S that connects the fan F provided in the blowing area 5 and the fan motor M provided outside (back surface) of the test chamber 3.
(2) A bowl-shaped end of the temperature control sensor 5a and the humidity control sensor 5b, a bowl-shaped end of the heater 5c, a conduit 5d ′ of the cooling coil 5d, a bowl-shaped end of the humidifying heater 5e and the humidifying wick pan 5e ′ Small-diameter through-holes that allow parts to pass through.

[ファンモータ用シャフトの取付構造]
図3(a)に示す試験室3の送風区域5に設けられた断熱壁7には、大径の貫通孔H1が開口される。
この貫通孔H1には、その周壁に沿って中途位置まで延びるスリーブ状の金属パイプ10を嵌合して貫通孔H1の内周壁面としている。
この貫通孔H1に、取付部材となるファンモータM用の軸受部11が嵌挿され、密封手段によりシールドされると共に、シャフトの位置決めも行っている。
上記軸受部11は、断熱壁7の内装面7a側の貫通孔H1の開口部に固定される内側支持片12と、ファンF(図示せず)とモーターMとをつなぐシャフトSを軸受する軸受筒本体13と、該軸受筒本体13の後方に外嵌固着された断熱基台14と、該断熱基部14に固着されて断熱壁の外装面側の開口部に掛止められる外側鍔部15とからなっている。
そして、本実施例では、前記シャフトSが装着時に前記軸受筒本体13と同軸線上に配置されるように位置決めできる構造とし、シャフトSと軸受筒本体13との内外径の隙間を狭く設定しており、且つ当該部分の長さを長くすることによって、前記シールド効果の一層の向上も図っている。
[Fan motor shaft mounting structure]
A large-diameter through hole H1 is opened in the heat insulating wall 7 provided in the air blowing area 5 of the test chamber 3 shown in FIG.
The through-hole H1 is fitted with a sleeve-like metal pipe 10 that extends to the midway position along the peripheral wall to form an inner peripheral wall surface of the through-hole H1.
A bearing portion 11 for the fan motor M, which serves as an attachment member, is fitted into the through hole H1, shielded by a sealing means, and the shaft is also positioned.
The bearing portion 11 is a bearing that supports a shaft S that connects the inner support piece 12 fixed to the opening portion of the through hole H1 on the interior surface 7a side of the heat insulating wall 7, the fan F (not shown), and the motor M. A cylinder main body 13, a heat insulating base 14 fitted and fixed to the rear of the bearing cylinder main body 13, and an outer flange 15 fixed to the heat insulating base 14 and hooked to an opening on the exterior surface side of the heat insulating wall; It is made up of.
In this embodiment, the shaft S can be positioned so as to be arranged on the same axis as the bearing cylinder main body 13 at the time of mounting, and the gap between the inner diameter and the outer diameter of the shaft S and the bearing cylinder main body 13 is set narrow. The shield effect is further improved by increasing the length of the portion.

前記内側支持片12は、筒体12aの先端に円形の鍔部12bを有している。
この内側支持片12は、前記鍔部12bの裏面の中途位置で内装面7aの貫通孔の開口縁部に掛止められ溶着などで固定される。
前記筒体12aの後端部は、同一外径で漸次外方に向かって幅狭となる断面テーパ状に切り欠かれた傾斜面部22が環状に形成されている(図3(b)参照)。
The inner support piece 12 has a circular flange 12b at the tip of the cylindrical body 12a.
The inner support piece 12 is hooked to the opening edge of the through hole of the interior surface 7a at a midway position on the back surface of the flange 12b and fixed by welding or the like.
The rear end portion of the cylindrical body 12a is formed in an annular shape with an inclined surface portion 22 that has the same outer diameter and is gradually cut outward in a tapered shape (see FIG. 3B). .

軸受筒本体13は、前記内側支持片12の中空に嵌め込まれて、後述のナット16の雌ねじ部21に螺合可能な雄ねじ部23が刻設された連結部13aと、該連結部13aと同心大径の胴部13bと、該胴部13bから小径となって断熱基台14に嵌着固定した脚部13cとからなっている。
そして、胴部13bと連結部13aとの連設部分は湾曲面部24に形成されている(図3(b)参照)。
上記構成からなっているので、内装面に固定された内側支持片12の中空に連結部13aを後方から突入させ、内側支持片12から前方へ突出した先端部分に、前記鍔部12bと略同一外径のドーナツ円盤状のナット16を螺合し雌ねじ部21で螺着する。
このナット16の締付により連結部13aが螺進し、前記湾曲面部24が傾斜面部22と線接触して緊締されるので、内側支持片12と軸受筒本体13とは隙間無く密封され、電波が通らなくなる。
The bearing cylinder body 13 is fitted in the hollow of the inner support piece 12 and has a connecting portion 13a in which a male screw portion 23 that can be screwed into a female screw portion 21 of a nut 16 described later is formed, and is concentric with the connecting portion 13a. It consists of a large-diameter trunk portion 13b and leg portions 13c that have a small diameter from the trunk portion 13b and are fitted and fixed to the heat insulating base 14.
And the connection part of the trunk | drum 13b and the connection part 13a is formed in the curved surface part 24 (refer FIG.3 (b)).
Since it consists of the said structure, the connection part 13a is plunged into the hollow of the inner side support piece 12 fixed to the interior surface from back, and the front-end | tip part which protruded ahead from the inner side support piece 12 is substantially the same as the said collar part 12b. An outer diameter donut disk-shaped nut 16 is screwed and screwed with a female screw portion 21.
When the nut 16 is tightened, the connecting portion 13a is screwed and the curved surface portion 24 is brought into line contact with the inclined surface portion 22 to be tightened, so that the inner support piece 12 and the bearing cylinder main body 13 are sealed without gaps, Will not pass.

また、前記断熱基台14は、その外周面の上部に僅かに小径の段部14aを設けており、前記金属パイプ10の後端が隙間無く嵌合し、係止するようになっている。
前記断熱基台14には、ガイドピン25が貫通しており、モータ27の取付用のフランジ26に形成された孔26aに嵌挿しうるようになっている。
そして、前記モーターMのフランジ26には、外側から、前記外側鍔部15を介して断熱壁7に取付ボルトB1が螺着されており、外側鍔部15を介して前記ガイドピン25でガイドされた断熱基部14および軸受筒本体13を後方で固定して、芯出しできるようになっている。
Further, the heat insulating base 14 is provided with a step portion 14a having a slightly small diameter at the upper part of the outer peripheral surface thereof, and the rear end of the metal pipe 10 is fitted and locked without any gap.
A guide pin 25 passes through the heat insulating base 14 and can be fitted into a hole 26 a formed in a flange 26 for mounting the motor 27.
A mounting bolt B1 is screwed to the heat insulating wall 7 from the outside via the outer flange 15 to the flange 26 of the motor M, and is guided by the guide pin 25 via the outer flange 15. The heat insulating base 14 and the bearing cylinder main body 13 are fixed at the rear so that they can be centered.

このように取り付けられた軸受部11の中央の孔に前記モータMのシャフトSが嵌挿されている。
本実施例では、上記シャフトSが分断され、電気絶縁材料、本実施例では一例としてガラス織布エポキシ樹脂(ガラエポ)製のジョイント部28で同軸線上に連結されている。
このように、シャフトSのような金属製の軸や大径の杆材などを分断し、電気的導電性の無い樹脂のジョイント部材を介設して同軸上に連結することで、電波のシールド性を一層高めることができる。
この発明の上記取付部材の構造は、送風用のファンのシャフトに限らず、その他のシャフトに適用することができる。
The shaft S of the motor M is fitted into the central hole of the bearing portion 11 attached in this way.
In the present embodiment, the shaft S is divided and connected to the coaxial line by a joint portion 28 made of an electrically insulating material, in the present embodiment, for example, a glass woven epoxy resin (Garaepo).
In this way, a metal shaft such as the shaft S or a large-diameter brazing material is divided, and a resin joint member having no electrical conductivity is interposed and connected coaxially, thereby shielding radio waves. It is possible to further improve the properties.
The structure of the mounting member of the present invention can be applied not only to the shaft of a fan for blowing air but also to other shafts.

[杆状部材の取付構造]
次ぎに、前記温度制御センサー5aや湿度制御センサー5bの杆状端部、加熱ヒーター5cの杆状端部、冷却コイル5dの導管5d’、加湿ヒーター5eや加湿用のウイックパン5e’の杆状端部などを小径の貫通孔H2に通す場合には、図4に示すような取付部材および密封手段によるシールド構造が採られる。
このシールド構造は、杆材部材を通す孔を中央に有する筒状の支持台部31とプラグ部33とからなっている。
即ち、試験室3の断熱壁7を貫通し内装面7aに開口する貫通孔H2には、内側に突出し、中央に孔を有する支持台部31の基端が嵌合し、掛け止めて固着される。
この支持台部31に形成された孔は、先端側でやや大径に形成され内周面に雌ねじが刻設されたプラグ挿入用の第1孔部32aと、中間位置で漸次小径となる断面テーパー状の第2傾斜孔部32bと、基端側で杆材を通す小径の第3孔部32cとからなっている。
[Mounting structure for bowl-shaped members]
Next, the bowl-shaped ends of the temperature control sensor 5a and the humidity control sensor 5b, the bowl-shaped end of the heater 5c, the conduit 5d 'of the cooling coil 5d, the humidifier heater 5e and the humid wick pan 5e' When the end portion or the like is passed through the small-diameter through hole H2, a shield structure using an attachment member and a sealing means as shown in FIG. 4 is adopted.
This shield structure includes a cylindrical support base portion 31 and a plug portion 33 having a hole through which a saddle member is passed in the center.
That is, the base end of the support base 31 that protrudes inward and has a hole in the center is fitted into the through hole H2 that penetrates the heat insulating wall 7 of the test chamber 3 and opens to the interior surface 7a, and is fixed by being hooked. The
The hole formed in the support base 31 has a first hole portion 32a for plug insertion, which is formed to have a slightly larger diameter on the distal end side, and an internal thread is engraved on the inner peripheral surface, and a cross section that gradually decreases in diameter at an intermediate position. It consists of a tapered second inclined hole 32b and a small-diameter third hole 32c through which the brazing material is passed on the base end side.

一方、プラグ部33は、基端に形成された大径の台部33aと、小径で前記第1孔部31aに嵌め込まれて螺合する雄ねじを刻設した本体部33bと、本体部33bから先端に向かって漸次小径となる楔部34とを有している。
この楔部34は、前記第2傾斜孔部32bの傾斜角度より小さい角度(鋭角)に設定されている。
上記構成からなっているので、前記杆材をプラグ部33の中央の孔部33’と、支持台部31の中央の孔部32に通して、断熱壁7を貫通させる。
そして、前記プラグ部33を回して前記ネジで螺進すると先端の楔部34が、第2傾斜孔部32bに差し込まれて緊締されるので、支持台部31とプラグ部33との間を密閉すると共に、断熱材7を貫通する杆材と楔部34との間も密閉することができる。
ここで、楔部34は、プラグ部33と一体でも別体に分離した構成であってもよい。
即ち、別体の場合は、ステンレス製のプラグ部が楔部を除いた構成からなり、銅製からなる単体の楔部を上記プラグ部のねじ込みで押し込み緊締する構成であってもよい。
このようにして、断熱壁7を貫通する各種杆材を取り付けても、電波を有効にシールドすることができる。
On the other hand, the plug portion 33 includes a large-diameter base portion 33a formed at the base end, a main body portion 33b having a small diameter and engraved male threads that are fitted into the first hole portion 31a and screwed, and a main body portion 33b. It has the wedge part 34 which becomes a small diameter gradually toward the front-end | tip.
The wedge portion 34 is set to an angle (acute angle) smaller than the inclination angle of the second inclined hole portion 32b.
Since it consists of the said structure, the said brazing material is penetrated through the heat insulation wall 7 through the hole 33 'of the center of the plug part 33, and the hole 32 of the center of the support stand part 31. FIG.
When the plug portion 33 is turned and screwed with the screw, the wedge portion 34 at the tip is inserted into the second inclined hole portion 32b and tightened, so that the space between the support base portion 31 and the plug portion 33 is sealed. In addition, it is possible to seal between the saddle member penetrating the heat insulating material 7 and the wedge portion 34.
Here, the wedge part 34 may be configured integrally with the plug part 33 or separated from the plug part 33.
That is, in the case of a separate body, the stainless steel plug portion may be configured to exclude the wedge portion, and a single wedge portion made of copper may be pressed and tightened by screwing the plug portion.
In this way, even if various types of saddles that penetrate the heat insulating wall 7 are attached, radio waves can be effectively shielded.

[扉のシールドパッキン構造]
次ぎに、試験室に設けられた扉6には、図5に示すように、シリコンゴムなどの弾性シール部材36、36’と共に、上記弾性シール部材36よりやや突出して、扉6を閉じた際に試験室の内装面に衝合する網状のニッケル銅合金(モネル)製のシールドパッキン37を環状に装着している。
図示例では、内側の弾性シール部材36の外側に沿ってシールドパッキン37が配置されている。
[Door shield packing structure]
Next, as shown in FIG. 5, the door 6 provided in the test chamber protrudes slightly from the elastic seal member 36 together with the elastic seal members 36 and 36 'such as silicon rubber, and the door 6 is closed. In addition, a shield packing 37 made of a reticulated nickel copper alloy (monel) that abuts the interior surface of the test chamber is annularly mounted.
In the illustrated example, a shield packing 37 is disposed along the outside of the inner elastic seal member 36.

ここでシールドパッキン37の素材はモネルに限定されず、スチールウールや導電材入りゴム、板バネなどの電波を遮断する電気的導電性を備えた素材であればよく、弾性を有することが好ましい。
このシールドパッキン37は、繊維状のモネルをメッシュ状に形成して均一の高さとなるように折畳んでパッキンとしたもので、図示例では並列に2重に並べて扉6の内側に装着している。
Here, the material of the shield packing 37 is not limited to monel, and may be any material having electrical conductivity that blocks radio waves such as steel wool, rubber containing conductive material, and leaf spring, and preferably has elasticity.
This shield packing 37 is formed by forming a fibrous monel in a mesh shape and folding it to a uniform height. In the illustrated example, the shield packing 37 is doubled in parallel and mounted inside the door 6. Yes.

これにより扉6を閉めた際に、シールドパッキン37が試験室のステンレスからなる内装面7aと確実に接触するようになっており、扉6の押圧でシールドパッキン37が反発可能に撓みながら電気的接触が可能に接し、次いで弾性シール部材36、36’が内装面7aと接触する。
これにより、扉6を閉じると、シール部材36で試験室内の温湿度の雰囲気を密封し、その外側のシールドパッキン37で試験室と扉の間がシールドされて電波の出入を遮断することができる。
As a result, when the door 6 is closed, the shield packing 37 reliably comes into contact with the interior surface 7a made of stainless steel in the test chamber. The elastic seal members 36 and 36 'are in contact with the interior surface 7a.
Thereby, when the door 6 is closed, the atmosphere of the temperature and humidity in the test chamber is sealed by the seal member 36, and between the test chamber and the door is shielded by the shield packing 37 on the outer side, so that the entrance and exit of radio waves can be blocked. .

[測定口構造]
次ぎに、図6には、測定口40についての一例を示す。
その測定口40は、内側キャップ45を螺着するキャップ受部41と、断熱壁7に内蔵されるガラエポ製の筒体46と、該筒体46を塞ぐ外側キャップ48とからなっている。
キャップ受部41は、ステンレス製からなっており、中央を貫通する孔を有する筒体で、先端に内装面7aの貫通孔H3の開口に掛止め固定される前端フランジ42を有し、受部筒体43が断熱壁7の中途位置まで内蔵される。
[Measurement port structure]
Next, FIG. 6 shows an example of the measurement port 40.
The measurement port 40 includes a cap receiving portion 41 into which the inner cap 45 is screwed, a glass body 46 made of glass epoxy built in the heat insulating wall 7, and an outer cap 48 that closes the cylinder 46.
The cap receiving portion 41 is made of stainless steel, and has a front end flange 42 that is fixed to the opening of the through hole H3 of the interior surface 7a at the front end. The cylindrical body 43 is built in to the middle position of the heat insulating wall 7.

一方、筒体46は、断熱性及び絶縁性を有するガラエポ製であって、上記キャップ受部41の孔と連通して中央を貫通する孔を有し、後端に前記貫通孔H3の外装面7bの開口に掛止める後端フランジ47を有しており、外装面7b側にネジ止めにより固定されている。
そして、この筒体46の先端は前記キャップ受部41の後端に嵌合し、シリコンコーティング剤などでコーティング49し固定される。
On the other hand, the cylindrical body 46 is made of glass epoxy having heat insulating properties and insulating properties, has a hole communicating with the hole of the cap receiving portion 41 and penetrating through the center, and an exterior surface of the through hole H3 at the rear end. The rear end flange 47 is hooked on the opening 7b, and is fixed to the exterior surface 7b side by screws.
And the front-end | tip of this cylinder 46 is fitted to the rear end of the said cap receiving part 41, is coated 49 with a silicon coating agent etc., and is fixed.

上記構成からなっているので、前記キャップ受部41に、ステンレス製の内側キャップ45を螺着して前方の開口を開閉可能に塞ぐことができる。
また、前記筒体46の後端フランジ47に、ガラエポ製の外側キャップ48を着脱可能にネジ止めして、後方の開口を開閉可能に塞いでいる。
このように測定口40を形成するので、内装面7aと接続されて電気的導電性を有するステンレス製の内側キャップ45とキャップ受部41とを設け、断熱性と共に絶縁性を有するガラエポ製の筒体46で上記キャップ受部41を断熱壁7内で接続しているので、測定口40を可及的に電波を遮断し、シールドすることができる。
なお、内装面7aと接続されて導電性を有するステンレス鋼製の内側キャップ45とキャップ受部41を設け、雄ねじと雌ねじのねじ面間の間隔、およびキャップ受部41と内側キャップ45の接触面に細かい金網Aを挟み、接触面間のシールド性を向上させることも可能である。同様に前記図3(a)で示した内側支持片12とナット16との接触面でも金網Aを挟んで接触面間のシールド性を向上させる構成を適用している。
Since it consists of the said structure, the inner opening 45 made from stainless steel can be screwed to the said cap receiving part 41, and the front opening can be closed so that opening and closing is possible.
Further, an outer cap 48 made of glass epoxy is detachably screwed to the rear end flange 47 of the cylindrical body 46 so that the rear opening can be opened and closed.
Since the measurement port 40 is formed in this way, a stainless steel inner cap 45 and a cap receiving portion 41 which are connected to the interior surface 7a and have electrical conductivity are provided, and a cylindrical tube made of glass epoxy which has heat insulation and insulation properties. Since the cap receiver 41 is connected within the heat insulating wall 7 by the body 46, the measurement port 40 can be shielded and shielded as much as possible.
A stainless steel inner cap 45 and a cap receiving portion 41, which are connected to the interior surface 7a and have conductivity, are provided, a distance between the thread surfaces of the male screw and the female screw, and a contact surface between the cap receiving portion 41 and the inner cap 45. It is also possible to improve the shielding property between the contact surfaces by sandwiching a fine wire mesh A. Similarly, the structure in which the shielding property between the contact surfaces is improved with the metal mesh A interposed between the contact surfaces of the inner support piece 12 and the nut 16 shown in FIG.

この発明は上記実施例に限定されるものではなく、その用途に応じて種々設計変更しうること勿論である。   The present invention is not limited to the above-described embodiment, and it is needless to say that various design changes can be made according to the application.

環境試験器の正面図である。It is a front view of an environmental tester. 試験室を模式的に示す参考図である。It is a reference figure showing a test room typically. ファンのシャフトの取付部材および密封手段を示す断面図である。It is sectional drawing which shows the attachment member and sealing means of a shaft of a fan. 杆状部材の取付部材および密封手段を示す断面図である。It is sectional drawing which shows the attachment member and sealing means of a bowl-shaped member. 扉のシールドパッキンを説明する図である。It is a figure explaining the shield packing of a door. 測定口の構造を示す断面図である。It is sectional drawing which shows the structure of a measurement port.

符号の説明Explanation of symbols

1 環境試験器
2 機械室
3 試験室
4 試験区域
5 送風区域
6 扉
8 制御室
7 断熱壁
7a 内装面
7b 外装面
10 金属パイプ
11 軸受部
12 内側支持片
13 軸受筒本体
14 断熱基台
15 外側鍔部
16 ナット
21 雌ねじ部
22 傾斜面部
23 雄ねじ部
24 湾曲面部
25 ガイドピン
26 フランジ
27 モータ
28 ジョイント部
31 支持台部
32 孔
33 プラグ部
36 弾性シール部材
37 シールドパッキン
40 測定口
41 キャップ受部
42 前端フランジ
43 受部筒体
45 内側キャップ
46 筒体
48 外側キャップ
47 後端フランジ
H1、H2、H3 貫通孔
A 金網
F 循環用のファン
M ファンモータ
S シャフト
DESCRIPTION OF SYMBOLS 1 Environment tester 2 Machine room 3 Test room 4 Test area 5 Air blowing area 6 Door 8 Control room 7 Heat insulation wall 7a Interior surface 7b Exterior surface 10 Metal pipe 11 Bearing part 12 Inner support piece 13 Bearing cylinder main body 14 Heat insulation base 15 Outer 16 part 16 Nut 21 Female thread part 22 Inclined surface part 23 Male thread part 24 Curved surface part 25 Guide pin 26 Flange 27 Motor 28 Joint part 31 Support base part 32 Hole 33 Plug part 36 Elastic seal member 37 Shield packing 40 Measuring port 41 Cap receiving part 42 Front end flange 43 Receiving cylinder 45 Inner cap 46 Cylindrical body 48 Outer cap 47 Rear end flanges H1, H2, H3 Through hole A Wire mesh F Circulating fan M Fan motor S Shaft

Claims (9)

サンプルを出入する扉を備え、上記サンプルのテストを行う試験区域と、該試験区域にファンで所定の温度または湿度の雰囲気を送風する送風区域とからなる試験室と、該試験室に接続されて冷凍機を備えた機械室と、前記温度または湿度の設定および制御を行う制御室とを一体に形成した環境試験器であって、
扉および試験室の内部を覆う内装面を、ステンレスなどの電気的導電性を有する金属で形成し、試験室の扉の内壁に、試験室の開口に沿って略無端状に形成されて、扉を閉じた際に試験室の開口側の内装面と電気的接触が可能な金属製のシールドパッキンを設けてなることを特徴とする電界シールド機能を備えた環境試験器。
A test chamber having a door for entering and exiting the sample, a test area for testing the sample, and a ventilation area for blowing an atmosphere of a predetermined temperature or humidity with a fan in the test area; and connected to the test room An environmental tester in which a machine room provided with a refrigerator and a control room for setting and controlling the temperature or humidity are integrally formed,
The interior surface that covers the interior of the door and the test chamber is made of an electrically conductive metal such as stainless steel, and is formed on the inner wall of the test chamber door in an almost endless manner along the test chamber opening. An environmental tester having an electric field shielding function, characterized in that a metal shield packing capable of electrical contact with the interior surface on the opening side of the test chamber when the is closed is provided.
サンプルを出入する扉を備え、上記サンプルのテストを行う試験区域と、該試験区域にファンで所定の温度または湿度の雰囲気を送風する送風区域とからなる試験室と、該試験室に接続されて冷凍機を備えた機械室と、前記温度または湿度の設定および制御を行う制御室とを一体に形成した環境試験器であって、
試験室の断熱壁を貫通する杆状部材を支持し、試験室の内装面と電気的接触が可能な取付部材を形成すると共に、該取付部材の構成部材間で外部に通じる隙間が生じないように密封手段を設け、
該取付部材の構成部材間で外部に通じる隙間が生じないように密封手段を設けてなることを特徴とする電界シールド機能を備えた環境試験器。
A test chamber having a door for entering and exiting the sample, a test area for testing the sample, and a ventilation area for blowing an atmosphere of a predetermined temperature or humidity with a fan in the test area; and connected to the test room An environmental tester in which a machine room provided with a refrigerator and a control room for setting and controlling the temperature or humidity are integrally formed,
Supports a bowl-shaped member that penetrates the heat insulation wall of the test chamber, forms an attachment member that can be in electrical contact with the interior surface of the test chamber, and does not cause a gap between the components of the attachment member to communicate with the outside Is provided with a sealing means,
An environmental tester having an electric field shielding function, characterized in that a sealing means is provided so that a gap communicating with the outside does not occur between constituent members of the mounting member.
サンプルを出入する扉を備え、上記サンプルのテストを行う試験区域と、該試験区域にファンで所定の温度または湿度の雰囲気を送風する送風区域とからなる試験室と、該試験室に接続されて冷凍機を備えた機械室と、前記温度または湿度の設定および制御を行う制御室とを一体に形成した環境試験器であって、
試験室の断熱壁を貫通するシャフトを支持し、試験室の内装面と電気的接触が可能な取付部材を形成すると共に、該取付部材の構成部材間で外部に通じる隙間が生じないように密封手段を設け、
前記シャフトを中途位置で分断し、分断されたシャフトを連結する電気的絶縁部材のジョイントを設けてなることを特徴とする電界シールド機能を備えた環境試験器。
A test chamber having a door for entering and exiting the sample, a test area for testing the sample, and a ventilation area for blowing an atmosphere of a predetermined temperature or humidity with a fan in the test area; and connected to the test room An environmental tester in which a machine room provided with a refrigerator and a control room for setting and controlling the temperature or humidity are integrally formed,
Supports the shaft that penetrates the heat insulation wall of the test chamber, forms a mounting member that can be in electrical contact with the interior surface of the test chamber, and seals so that there is no gap between the components of the mounting member. Providing means,
An environmental tester having an electric field shielding function, wherein the shaft is divided at an intermediate position, and a joint of an electrically insulating member for connecting the divided shafts is provided.
シャフトが、試験室に設けられたファンの回転軸と、外部に設けられたファンモータの出力軸とを接続するシャフトからなっていることを特徴とする請求項3に記載の電界シールド機能を備えた環境試験器。   4. The electric field shielding function according to claim 3, wherein the shaft comprises a shaft that connects a rotating shaft of a fan provided in the test chamber and an output shaft of a fan motor provided outside. Environmental tester. サンプルを出入する扉を備え、上記サンプルのテストを行う試験区域と、該試験区域にファンで所定の温度または湿度の雰囲気を送風する送風区域とからなる試験室と、該試験室に接続されて冷凍機を備えた機械室と、前記温度または湿度の設定および制御を行う制御室とを一体に形成した環境試験器であって、
扉および試験室の内部を覆う内装面を、ステンレスなどの電気的導電性を有する金属で形成し、試験室の扉の内壁に、試験室の開口に沿って略無端状に形成されて、扉を閉じた際に試験室の開口側の内装面と電気的接触が可能な金属製のシールドパッキンを設け、
試験室の断熱壁を貫通するファンのシャフトや杆状部材を支持し、試験室の内装面と電気的接触が可能な取付部材を形成すると共に、該取付部材の構成部材間で外部に通じる隙間が生じないように密封手段を設け、
前記ファンのシャフトを中途位置で分断し、分断されたシャフトを連結する絶縁部材のジョイントを設けてなることを特徴とする電界シールド機能を備えた環境試験器。
A test chamber having a door for entering and exiting the sample, a test area for testing the sample, and a ventilation area for blowing an atmosphere of a predetermined temperature or humidity with a fan in the test area; and connected to the test room An environmental tester in which a machine room provided with a refrigerator and a control room for setting and controlling the temperature or humidity are integrally formed,
The interior surface that covers the interior of the door and the test chamber is made of an electrically conductive metal such as stainless steel, and is formed on the inner wall of the test chamber door in an almost endless manner along the test chamber opening. Provided with a metal shield packing that can make electrical contact with the interior surface of the test chamber opening when the
Supports the fan shaft or bowl-shaped member that penetrates the heat insulation wall of the test chamber, forms an attachment member that can be in electrical contact with the interior surface of the test chamber, and provides a gap between the component members of the attachment member to the outside Provide sealing means to prevent
An environmental tester having an electric field shielding function, wherein the shaft of the fan is divided at an intermediate position, and a joint of an insulating member for connecting the divided shafts is provided.
扉の内壁に試験室の開口に沿って略無端状に形成された気密用の弾性シール部材と、該弾性シール部材の外側または内側で略無端状に形成されて扉を閉じた際に試験室の開口側の内装面と電気的接触が可能な金属製のシールドパッキンとを設けてなることを特徴とする請求項1または4に記載の電界シールド機能を備えた環境試験器。   An airtight elastic seal member formed substantially endlessly along the opening of the test chamber on the inner wall of the door, and a test chamber formed when the door is closed by being formed substantially endless outside or inside the elastic seal member 5. An environmental tester having an electric field shielding function according to claim 1, wherein a metal shield packing capable of electrical contact with the interior surface on the opening side is provided. 杆状部材が、加温用ヒーター、加湿用ヒーター、加湿用のウイックパン、冷却コイルの導管、温度センサーまたは湿度センサーの全部または一部であって、
上記杆状部材を嵌挿した取付部材が、内装面に固定されて内側に突出する支持台部と、該支持台部にネジ止めされるプラグ部とからなっており、
密封手段が、プラグ部の先端に形成された楔部と、支持台部に形成されてプラグ部の先端を挿入可能な断面テーパ状の傾斜面部と、該傾斜面部より鋭角に形成されたプラグ部の先端に形成された楔部とからなっていることを特徴とする請求項2または4に記載の電界シールド機能を備えた環境試験器。
The bowl-shaped member is all or part of a heater for heating, a heater for humidification, a wick pan for humidification, a conduit for a cooling coil, a temperature sensor or a humidity sensor,
The mounting member into which the hook-shaped member is inserted is composed of a support base portion that is fixed to the interior surface and protrudes inward, and a plug portion that is screwed to the support base portion.
The sealing means includes a wedge portion formed at the tip of the plug portion, an inclined surface portion having a tapered cross section formed on the support base portion into which the tip of the plug portion can be inserted, and a plug portion formed at an acute angle from the inclined surface portion. The environmental tester having an electric field shielding function according to claim 2, wherein the environmental tester has a wedge portion formed at a tip of the electric field shield.
ファンのシャフトを嵌挿した取付部材が、内装面に固定される内側支持片と、断熱壁に内蔵され上記内側支持片に先端の連結部が嵌め込まれて内方へ突出する軸受筒本体と、該軸受筒本体の後方に固定されて電波遮断性を有する断熱基台と、該断熱基台に固定されて断熱壁の外装面に衝合し、ファンモータに固定される外側鍔部とからなっており、
密封手段が、前記内側支持片の後端側に形成された断面テーパ状の傾斜面部と、軸受筒本体の前記傾斜面部と接する個所に形成された湾曲面部とからなって、前記連結部の先端に形成されたネジにナットを緊締して前記傾斜面部に湾曲面部を押しつけて密封してなることを特徴とする請求項3または5に記載の電界シールド機能を備えた環境試験器。
An attachment member into which the fan shaft is inserted is an inner support piece fixed to the interior surface, a bearing cylinder main body that is built in the heat insulating wall and has a tip coupling portion fitted into the inner support piece and protrudes inward. A heat insulating base fixed to the rear of the main body of the bearing cylinder and having a radio wave blocking property; and an outer flange fixed to the heat insulating base and abutted against the exterior surface of the heat insulating wall and fixed to the fan motor. And
The sealing means comprises an inclined surface portion having a tapered cross section formed on the rear end side of the inner support piece, and a curved surface portion formed at a position in contact with the inclined surface portion of the bearing cylinder body, and the tip of the connecting portion 6. The environmental tester having an electric field shielding function according to claim 3, wherein a nut is fastened to a screw formed in the step and a curved surface portion is pressed against the inclined surface portion and sealed.
内装面の貫通孔に、中央を貫通する孔を有し、先端に内装面の貫通孔の開口に掛止める前端フランジを有し断熱壁の中途位置まで内蔵されるステンレス製のキャップ受部を嵌合固着し、
上記キャップ受部の孔と連通して中央を貫通する孔を有し、後端に前記貫通孔の外装面の開口に掛止める後端フランジを有し、前記キャップ受部の延出端に嵌合固定されるガラス織布エポキシ樹脂製の筒体を設け、
前記キャップ受部にステンレス製の内側キャプを螺着して前方の開口を塞ぎ、
前記後端フランジに外側キャップを着脱可能に固定して後方の開口を塞ぐ測定口を有することを特徴とする請求項1から7のいずれかに記載の電界シールド機能を備えた環境試験器。
A through hole in the interior surface has a hole that penetrates the center, and a front end flange that is hooked to the opening of the through hole in the interior surface at the tip, and a stainless steel cap receiving part that is built in midway through the heat insulating wall is fitted. Together,
It has a hole that communicates with the hole of the cap receiving part and penetrates the center, and has a rear end flange that engages with the opening of the exterior surface of the through hole at the rear end, and is fitted to the extended end of the cap receiving part. A glass woven cloth epoxy resin cylinder to be fixed together is provided,
Screw the inner cap made of stainless steel to the cap receiving part to close the front opening,
The environmental tester with an electric field shielding function according to claim 1, further comprising a measurement port that detachably fixes an outer cap to the rear end flange and closes a rear opening.
JP2003345097A 2003-10-02 2003-10-02 Environmental tester shield structure Expired - Fee Related JP3909052B2 (en)

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Publication number Priority date Publication date Assignee Title
JP2008166474A (en) * 2006-12-28 2008-07-17 Espec Corp Environmental testing device
JP2009168577A (en) * 2008-01-15 2009-07-30 Nagano Science Kk Environmental test device
CN105358922A (en) * 2013-04-27 2016-02-24 三菱重工冷热株式会社 Environmental testing method and environmental testing device using blowing of artificial snow
KR101701706B1 (en) * 2016-07-15 2017-02-03 한국센서연구소 주식회사 Apparatus for Measuring Low Frequency Noise with Shielding Capability

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JP2023025839A (en) * 2021-08-11 2023-02-24 エスペック株式会社 Environmental test device

Cited By (7)

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Publication number Priority date Publication date Assignee Title
JP2008166474A (en) * 2006-12-28 2008-07-17 Espec Corp Environmental testing device
JP2009168577A (en) * 2008-01-15 2009-07-30 Nagano Science Kk Environmental test device
CN105358922A (en) * 2013-04-27 2016-02-24 三菱重工冷热株式会社 Environmental testing method and environmental testing device using blowing of artificial snow
CN105358922B (en) * 2013-04-27 2017-10-03 三菱重工冷热株式会社 The environmental test method and environment test device tested using the wind and snow formed by snowmaking
KR101701706B1 (en) * 2016-07-15 2017-02-03 한국센서연구소 주식회사 Apparatus for Measuring Low Frequency Noise with Shielding Capability
WO2018012908A1 (en) * 2016-07-15 2018-01-18 한국센서연구소 주식회사 Low frequency noise measurement apparatus having shielding property
US10520532B2 (en) 2016-07-15 2019-12-31 Korea Sensor Lab Co., Ltd. Low frequency noise measuring apparatus with electromagnetic shielding characteristics

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