JP2010041468A - Sunshade panel for radio telescope and method of manufacturing the same - Google Patents

Sunshade panel for radio telescope and method of manufacturing the same Download PDF

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JP2010041468A
JP2010041468A JP2008202799A JP2008202799A JP2010041468A JP 2010041468 A JP2010041468 A JP 2010041468A JP 2008202799 A JP2008202799 A JP 2008202799A JP 2008202799 A JP2008202799 A JP 2008202799A JP 2010041468 A JP2010041468 A JP 2010041468A
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frame
heat insulating
insulating plate
cover
panel
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JP5135113B2 (en
Inventor
Seio Kuno
成夫 久野
Hiroshi Mikoshiba
廣 御子柴
Kazufusa Noda
一房 野田
Shinichiro Noda
慎一郎 野田
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OJIMA SHISAKU KENKYUSHO KK
Oshima Prototype Engineering Co Ltd
National Institute of Natural Sciences
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OJIMA SHISAKU KENKYUSHO KK
Oshima Prototype Engineering Co Ltd
National Institute of Natural Sciences
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a sunshade panel for a radio telescope advantageous for preventing deformation caused by long-time use. <P>SOLUTION: The sunshade panel 18 comprises: a rim-like frame 20 mounted to a main mirror skeleton 14; a heat insulation plate 22 comprised of a foamed material disposed in an inside space of the rim-like frame 20; and a cover 24 mounted over both sides of the frame 20 in a thickness direction. In the heat insulation plate 22, a coating film 2202 is formed which is dissolved by thermal processing to block the infiltration of water on its overall surface including a front 24A, a back 24B and side face 24C. The coating film 2202 is formed by fitting a hot plate that has a flat heating surface to a surface of the heat insulation plate 22. The cover 24 and the frame 20 are coupled with a screw 30 and the cover 24 is bonded to the front 24A and the back 24B of the heat insulation plate 22 with adhesives 40. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は電波望遠鏡の日除けパネルとその製造方法に関する。   The present invention relates to a sunshade panel for a radio telescope and a method for manufacturing the same.

電波望遠鏡では、主鏡パネルと、主鏡パネルの前方に配置された副鏡を有し、主鏡パネルは主鏡骨組みの前面で支持され、主骨組みの背面に多数の日除けパネルが取り付けられ、日除けパネルにより主鏡パネルへの断熱効果が得られるようにしている。
この種の日除けパネルには、断熱性に加え軽量性が要求されており、そのため、従来では、六角柱状の空間がハニカム状に多数形成された剛性を有するフレームと、このフレームの六角柱状の空間に充填された発泡性材料と、それら発泡性材料を覆い内部に雨水が侵入しないようにフレームの両面に取着されたカバーで構成されている。
特開平８−２５８２０１ The radio telescope has a primary mirror panel and a secondary mirror arranged in front of the primary mirror panel, the primary mirror panel is supported by the front of the primary mirror frame, and a large number of awning panels are attached to the back of the primary frame. A heat-insulating effect on the primary mirror panel is obtained by the sunshade panel.
This type of sunshade panel is required to be lightweight in addition to heat insulation. Therefore, conventionally, a hexagonal column-shaped space and a rigid frame in which a large number of hexagonal column-shaped spaces are formed in a honeycomb shape and the hexagonal column-shaped space of this frame are used. And a cover attached to both sides of the frame so as to prevent rainwater from entering the interior.
JP-A-8-258201

しかしながら、このような従来の日除けパネルでは、長期使用によりカバーの内側に雨水が侵入し、この雨水が発泡性材料に浸み込み、発泡性材料が膨張して日除けパネルが変形してくる不具合があった。
本発明者は前記事情に鑑み案出されたものであって、本発明の目的は、軽量で長期使用による変形を防止する上で有利な電波望遠鏡の日除けパネルとその製造方法を提供することにある。 However, in such a conventional awning panel, rainwater penetrates into the inside of the cover due to long-term use, the rainwater soaks into the foamable material, the foamable material expands and the awning panel is deformed. there were.
The inventor of the present invention has been devised in view of the above circumstances, and an object of the present invention is to provide a sunshade panel for a radio telescope that is lightweight and advantageous in preventing deformation due to long-term use, and a method for manufacturing the same. is there.

前記目的を達成するため本発明は、電波望遠鏡の主鏡パネルを支える主鏡骨組みの前面と反対に位置する背面に取り付けられる日除けパネルであって、前記日除けパネルは、前記主鏡骨組みに取り付けられる枠状の剛性を有するフレームと、前記枠状のフレームの内側空間に配置される発泡材料からなる断熱板と、前記フレームの厚さ方向の両面に取着され前記断熱板を覆うカバーとで構成され、前記断熱板は前記カバーに臨む正面と背面と、それら正面と背面とを接続し前記フレームに臨む側面とを有し、前記断熱板の前記正面と前記背面間の寸法は、前記フレームの厚さと同一の寸法で形成され、前記断熱板は、その正面、背面、側面を含む表面の全域に、熱加工により溶解されることで水の浸入を阻止する皮膜が形成されており、前記フレームの複数箇所に水抜き用の欠部が設けられ、前記カバーとフレームはねじにより結合され、前記カバーと前記断熱板の正面および背面は接着剤により接合されていることを特徴とする。
また、本発明は、上述の日除けパネルの製造方法であって、前記断熱板を、前記正面と背面のうちの一方の面と前記側面とを予め熱加工により溶解してそれらの面に前記皮膜を形成しておき、その後、定盤上において前記フレームをその厚さ方向を上下方向に向けて載置し、前記フレームの内側空間内に、前記皮膜が形成された前記正面と背面のうちの一方の面を下に向けて前記断熱板を挿入して定盤上に載置し、前記フレームの上方からホットプレートの平坦な加熱面を、上方を向いた前記フレームの厚さ方向の面をストッパ面として、前記皮膜が形成されていない前記断熱板の前記正面と背面のうちの他方の面に押し当てることで前記他方の面に皮膜を形成し、前記断熱板の前記正面と前記背面間の寸法を、前記フレームの厚さと同一の寸法に形成するようにしたことを特徴とする。 In order to achieve the above object, the present invention provides a sunshade panel that is attached to a back surface that is opposite to a front surface of a main frame that supports a main mirror panel of a radio telescope, and the sunscreen is attached to the main frame. A frame having frame-like rigidity, a heat insulating plate made of a foam material disposed in an inner space of the frame-like frame, and a cover that is attached to both sides of the frame in the thickness direction and covers the heat insulating plate The heat insulating plate has a front surface and a back surface facing the cover, and a side surface connecting the front surface and the back surface and facing the frame, and the dimension between the front surface and the back surface of the heat insulating plate is the size of the frame. Formed with the same dimensions as the thickness, the heat insulating plate is formed on the entire surface including the front surface, the back surface, and the side surface by a film that prevents water from entering by being dissolved by thermal processing, The plurality of locations of frames provided cut-out portion for drain is, the cover and the frame are coupled by screws, the front and rear of the heat insulating plate and the cover is characterized in that it is adhesively bonded.
Further, the present invention is the above-described method for manufacturing an awning panel, wherein the heat insulating plate is prepared by dissolving one surface of the front surface and the back surface and the side surface in advance by heat processing. After that, on the surface plate, the frame is placed with its thickness direction directed in the vertical direction, and the inner surface of the frame has the film formed on the front surface and the back surface. Place the heat insulating plate with one side facing down and place it on the surface plate, and place the flat heating surface of the hot plate from above the frame, the surface in the thickness direction of the frame facing upward As a stopper surface, a film is formed on the other surface by pressing against the other surface of the heat insulating plate on which the film is not formed, and between the front surface and the rear surface of the heat insulating plate. The same dimensions as the thickness of the frame Characterized in that in order to form the law.

本発明の日除けパネルによれば、雨水が各日除けパネルの内部に侵入しても、水抜き用の欠部から外部に排出され、また、日除けパネルの内部に侵入した雨水は、皮膜により断熱板の内部への浸み込みが阻止されているので、雨水が断熱板に浸み込んで日除けパネルを変形させる従来の不具合を解消できる。
また、本発明の日除けパネルの製造方法によれば、断熱板の厚さをフレームの厚さと同一の寸法に簡単に正確に形成できる。 According to the awning panel of the present invention, even if rainwater enters the inside of each awning panel, it is discharged to the outside from the notch for draining, and the rainwater entering the inside of the awning panel is insulated by a film. Since the penetration into the interior of the hood is prevented, it is possible to eliminate the conventional problem that rainwater soaks into the heat insulating plate and deforms the awning panel.
In addition, according to the method for manufacturing an awning panel of the present invention, the thickness of the heat insulating plate can be easily and accurately formed in the same dimension as the thickness of the frame.

以下、本発明の実施の形態を図面にしたがって説明する。
図１は電波望遠鏡の説明図、図２（Ａ）は日除けパネルの平面図、（Ｂ）は（Ａ）のＢ矢視図、図３はフレームの複数の内側空間にそれぞれ断熱板が配置された状態の平面図、図４は日除けパネルのフレームの分解斜視図、図５（Ａ）は図２のＸＸ断面図、（Ｂ）は図２のＹＹ断面図、図６（Ａ）は断熱板の斜視図、（Ｂ）は断熱板の断面図を示す。
電波望遠鏡１０は、架台１２上で傾動可能に支持された主鏡骨組み１４を有し、主鏡パネル１６はこの主鏡骨組み１４の前面で支持され、主鏡パネル１６の前方に副鏡１７が配置され、主鏡骨組み１４の背面に多数の日除けパネル１８が取り付けられている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an explanatory diagram of a radio telescope, FIG. 2A is a plan view of a sunshade panel, FIG. 3B is a view as viewed from an arrow B of FIG. 3A, and FIG. 4 is an exploded perspective view of the frame of the sunshade panel, FIG. 5A is a sectional view taken on line XX in FIG. 2, FIG. 4B is a sectional view taken on line YY in FIG. 2, and FIG. (B) shows sectional drawing of a heat insulation board.
The radio telescope 10 includes a main mirror frame 14 supported so as to be tiltable on a gantry 12, and a main mirror panel 16 is supported on the front surface of the main mirror frame 14, and a secondary mirror 17 is disposed in front of the main mirror panel 16. Arranged and a large number of awning panels 18 are attached to the back of the main frame 14.

主鏡骨組み１４の背面には、多数の矩形状のパネル取り付け用空間が画成されており、多数の日除けパネル１８は、それら各パネル取り付け用空間に挿入される形状で形成されている。
日除けパネル１８は、主鏡骨組み１４に取り付けられる枠状のフレーム２０（図３、図４参照）と、枠状のフレーム２０の内側空間に配置される発泡材料からなる断熱板２２（図６参照）と、フレーム２０の厚さ方向の両面に取着されたカバー２４（図２、図５参照）とで構成されている。 A large number of rectangular panel mounting spaces are defined on the back surface of the main frame 14, and a large number of awning panels 18 are formed so as to be inserted into the respective panel mounting spaces.
The awning panel 18 includes a frame-shaped frame 20 (see FIGS. 3 and 4) attached to the main frame 14 and a heat insulating plate 22 made of a foam material disposed in an inner space of the frame-shaped frame 20 (see FIG. 6). ) And a cover 24 (see FIGS. 2 and 5) attached to both surfaces of the frame 20 in the thickness direction.

図３、図４に示すように、枠状のフレーム２０は剛性を有する部材、例えば、断面がコ字状の鋼材で形成され、フレーム２０は、日除けパネル１８の強度剛性を確保する部材として機能する。
フレーム２０は、例えば、矩形枠状に配置され外枠を構成する４本の外メンバー２００２と、それら外メンバーの内側に配置された３本の縦メンバー２００４と、それら外メンバー２００２と縦メンバー２００４との間および縦メンバー２００４間に配置される８本の横メンバー２００６で構成されている。
なお、それらメンバー２００２、２００４、２００６同士の連結は、例えば、溶接により接合されている。
そして、各メンバー２００２、２００４、２００６により、複数の断熱板２２がそれぞれ挿入される複数の内側空間２０１０が区画されている。それら内側空間２０１０は、枠状のフレーム２０の厚さ方向に貫通している。
また、各メンバー２００２、２００４の適宜箇所および横メンバー２００６の長手方向の両端に水抜き用の欠部２０２０が形成されている。
また、フレーム２０の厚さ方向の両面の複数箇所に、カバー２４を取着するためのねじ孔２０４０が形成されている。
なお、このようなフレーム２０の構造は種々考えられ、要するにフレーム２０は、日除けパネル１８の強度剛性を確保する部材として機能し、断熱板２２が挿入される内側空間２０１０を有し、内部に侵入した雨水を外部に排出させる水抜き用の欠部２０２０を有していればよい。 As shown in FIGS. 3 and 4, the frame-shaped frame 20 is formed of a rigid member, for example, a steel material having a U-shaped cross section, and the frame 20 functions as a member that ensures the strength and rigidity of the awning panel 18. To do.
The frame 20 includes, for example, four outer members 2002 arranged in a rectangular frame shape and constituting an outer frame, three vertical members 2004 arranged inside the outer members, the outer members 2002, and the vertical members 2004. And 8 horizontal members 2006 arranged between the vertical members 2004 and the vertical members 2004.
The members 2002, 2004, and 2006 are connected to each other by, for example, welding.
Each member 2002, 2004, 2006 defines a plurality of inner spaces 2010 into which a plurality of heat insulating plates 22 are respectively inserted. These inner spaces 2010 penetrate in the thickness direction of the frame-like frame 20.
Further, drainage notches 2020 are formed at appropriate portions of the members 2002 and 2004 and at both ends in the longitudinal direction of the lateral member 2006.
In addition, screw holes 2040 for attaching the cover 24 are formed at a plurality of locations on both sides in the thickness direction of the frame 20.
Various structures of such a frame 20 are conceivable. In short, the frame 20 functions as a member for ensuring the strength and rigidity of the awning panel 18, has an inner space 2010 into which the heat insulating plate 22 is inserted, and enters the inside. It is only necessary to have the drainage 2020 for draining the rainwater discharged to the outside.

断熱板２２は複数設けられ、それぞれ複数の内側空間２０１０に挿入される形状で形成され、断熱板２２を発泡性材料を用いて形成することで、日除けパネル１８の断熱性と軽量性を確保するようにしている。
図６に示すように、断熱板２２はその厚さ方向の両面がカバー２４に臨む正面２４Ａ、背面２４Ｂとなっており、それら正面２４Ａと背面２４Ｂとを接続しフレーム２０に臨む面が側面２４Ｃとなっている。
断熱板２２は、その正面２４Ａ、背面２４Ｂ、側面２４Ｃを含む表面の全域に、熱加工により溶解されることで水の浸入の阻止する皮膜２２０２が形成されている。
皮膜２２０２は、平坦な加熱面を有するホットプレートを断熱板２２の表面に当て付けることで形成されている。
断熱板２２を構成する発泡性材料は、熱加工により溶解することで水の浸入の阻止する皮膜２２０２が形成されるものであればよく、例えば、塩化ビニルなどを主成分とする発泡性材料が使用可能である。
皮膜２２０２が断熱板２２の表面の全域に形成されることで、正面２４Ａ、背面２４Ｂ、側面２４Ｃは皮膜２２０２で形成されることになる。
そして、正面２４Ａと背面２４Ｂとの間隔である断熱板２２の厚さは、皮膜２２０２を形成することにより、フレーム２０の厚さと同一の寸法に形成されている。
この場合、断熱板２２を、正面２４Ａと背面２４Ｂのうちの一方の面と側面２４Ｃとを予め熱加工により溶解してそれらの面に皮膜２２０２を形成しておき、その後、定盤上においてフレーム２０をその厚さ方向を上下方向に向けて載置し、フレーム２０の内側空間２０１０内に、皮膜２２０２が形成された正面２４Ａと背面２４Ｂのうちの一方の面を下に向けて断熱板２２を挿入して定盤上に載置し、フレーム２０の上方からホットプレートの平坦な加熱面を、上方を向いたフレーム２０の厚さ方向の面をストッパ面として、皮膜２２０２が形成されていない断熱板２２の正面２４Ａと背面２４Ｂのうちの他方の面に押し当てることで他方の面に皮膜を形成すると、断熱板２２の厚さをフレーム２０の厚さと同一の寸法に簡単に正確に形成することが可能となる。 A plurality of heat insulating plates 22 are provided, each formed in a shape that is inserted into a plurality of inner spaces 2010, and by forming the heat insulating plate 22 using a foamable material, heat insulating properties and light weight of the awning panel 18 are ensured. I am doing so.
As shown in FIG. 6, the heat insulating plate 22 has a front surface 24 </ b> A and a back surface 24 </ b> B facing both sides of the cover 24 in the thickness direction, and a surface facing the frame 20 by connecting the front surface 24 </ b> A and the back surface 24 </ b> B It has become.
The heat insulating plate 22 is formed with a coating 2202 that prevents intrusion of water by being melted by thermal processing over the entire surface including the front surface 24A, the back surface 24B, and the side surface 24C.
The coating 2202 is formed by applying a hot plate having a flat heating surface to the surface of the heat insulating plate 22.
The foamable material constituting the heat insulating plate 22 may be any material as long as it forms a film 2202 that prevents entry of water by being melted by thermal processing. For example, a foamable material mainly composed of vinyl chloride or the like is used. It can be used.
By forming the film 2202 over the entire surface of the heat insulating plate 22, the front surface 24 </ b> A, the back surface 24 </ b> B, and the side surface 24 </ b> C are formed by the film 2202.
And the thickness of the heat insulation board 22 which is the space | interval of the front surface 24A and the back surface 24B is formed in the dimension same as the thickness of the flame | frame 20 by forming the membrane | film | coat 2202.
In this case, the heat insulating plate 22 is prepared by melting one surface of the front surface 24A and the back surface 24B and the side surface 24C in advance by thermal processing to form a film 2202 on those surfaces, and then forming a frame on the surface plate. 20 is placed with its thickness direction facing up and down, and in the inner space 2010 of the frame 20, one of the front surface 24 </ b> A and the rear surface 24 </ b> B on which the coating 2202 is formed faces downward. Is inserted and placed on the surface plate, and the coating 2202 is not formed with the flat heating surface of the hot plate from above the frame 20 and the surface in the thickness direction of the frame 20 facing upward as the stopper surface. When a film is formed on the other surface by pressing against the other one of the front surface 24A and the rear surface 24B of the heat insulating plate 22, the thickness of the heat insulating plate 22 is easily and accurately formed to the same dimension as the thickness of the frame 20. Rukoto is possible.

図２、図５に示すように、カバー２４は、フレーム２０の厚さ方向の両面に取着され断熱板２２を覆っている。
カバー２４は、アルミ合金製であり、フレーム２０のねじ孔２０４０に対応する複数箇所にねじ挿通孔が形成されている。
カバー２４とフレーム２０は、カバー２４のねじ挿通孔に挿通されフレーム２０のねじ孔２０４０に螺合されたねじ３０で結合される。
また、カバー２４と断熱板２２の正面２４Ａおよび背面２４Ｂは、図５に示すように、接着剤４０により接合される。
また、このように日除けパネル１８が組み立てられた状態で、２枚のカバー２４のうちの一方のカバー２４の複数箇所に、図２で示すように、日除けパネル１８を主鏡骨組み１４に取り付けるためのフランジ２４１０がねじでカバー２４およびフレーム２０に取着され、フランジ２４１０には、日除けパネル１８を主鏡骨組み１４に結合させるためのボルト２４１２が立設されている。
なお、日除けパネル１８を主鏡骨組み１４に取り付けるための構造は種々考えられ、例えば、フレーム２０に、主鏡骨組み１４に取り付けるためのフランジを設けたり、あるいは、クランプを用いて日除けパネル１８を主鏡骨組み１４に取り付けるなど任意である。 As shown in FIGS. 2 and 5, the cover 24 is attached to both surfaces of the frame 20 in the thickness direction and covers the heat insulating plate 22.
The cover 24 is made of an aluminum alloy, and screw insertion holes are formed at a plurality of locations corresponding to the screw holes 2040 of the frame 20.
The cover 24 and the frame 20 are joined by a screw 30 that is inserted into the screw insertion hole of the cover 24 and screwed into the screw hole 2040 of the frame 20.
Further, the front 24A and the back 24B of the cover 24 and the heat insulating plate 22 are joined together by an adhesive 40 as shown in FIG.
Further, in the state where the awning panel 18 is assembled in this manner, as shown in FIG. 2, the awning panel 18 is attached to the main optic frame 14 at a plurality of positions of one of the two covers 24. The flange 2410 is attached to the cover 24 and the frame 20 with screws, and bolts 2412 for connecting the sunshade panel 18 to the main frame 14 are erected on the flange 2410.
Various structures for attaching the awning panel 18 to the main lens frame 14 are conceivable. For example, the frame 20 is provided with a flange for attaching to the main lens frame 14 or the awning panel 18 is mainly used by using a clamp. It is arbitrary, such as attaching to the skeleton 14.

本実施の形態によればフランジ２４１０がボルト２４１２を介して主鏡骨組み１４に取着されことで、多数の日除けパネルが主鏡骨組み１４の背面に取着され、それら日除けパネルによる断熱作用が発揮される。
また、雨水が各日除けパネル１８の内部に侵入しても、水抜き用の欠部２０２０から外部に排出される。
そして、日除けパネル１８の内部に侵入した雨水は、皮膜２２０２により断熱板２２の内部への浸み込みが阻止され、雨水が断熱板２２に浸み込み、日除けパネル１８を変形させる従来の不具合を解消できる。
また、本実施の形態の製造方法によれば、断熱板２２の厚さをフレーム２０の厚さと同一の寸法に簡単に正確に形成することが可能となる。 According to the present embodiment, the flange 2410 is attached to the main lens frame 14 via the bolts 2412, so that a large number of sunshade panels are attached to the back surface of the main lens frame 14, and the heat insulating action by the sunscreen panels is exhibited. Is done.
Further, even if rainwater enters the inside of each awning panel 18, the rainwater is discharged to the outside from the drainage notch 2020.
The rainwater that has entered the interior of the awning panel 18 is prevented from entering the inside of the heat insulating plate 22 by the coating 2202, and the rainwater permeates the heat insulating plate 22 and deforms the awning panel 18. Can be resolved.
Further, according to the manufacturing method of the present embodiment, it is possible to easily and accurately form the thickness of the heat insulating plate 22 in the same dimension as the thickness of the frame 20.

電波望遠鏡の説明図である。It is explanatory drawing of a radio telescope. （Ａ）は日除けパネルの平面図、（Ｂ）は（Ａ）のＢ矢視図である。(A) is a top view of an awning panel, (B) is a B arrow view of (A). フレームの複数の内側空間にそれぞれ断熱板が配置された状態の平面図である。It is a top view of the state by which the heat insulation board was each arrange | positioned in the some inner space of a flame | frame. 日除けパネルのフレームの分解斜視図である。It is a disassembled perspective view of the frame of a sunshade panel. （Ａ）は図２のＸＸ断面図、（Ｂ）は図２のＹＹ断面図である。(A) is XX sectional drawing of FIG. 2, (B) is YY sectional drawing of FIG. （Ａ）は断熱板の斜視図、（Ｂ）は断熱板の断面図である。(A) is a perspective view of a heat insulation board, (B) is sectional drawing of a heat insulation board.

符号の説明Explanation of symbols

１０……電波望遠鏡、１４……主鏡骨組み、１６……主鏡パネル、１８……日除けパネル、２０……フレーム、２２……断熱板、２４……カバー。   10 ... Radio telescope, 14 ... Primary frame, 16 ... Primary mirror panel, 18 ... Awning panel, 20 ... Frame, 22 ... Heat insulation plate, 24 ... Cover.

Claims (5)

電波望遠鏡の主鏡パネルを支える主鏡骨組みの前面と反対に位置する背面に取り付けられる日除けパネルであって、
前記日除けパネルは、
前記主鏡骨組みに取り付けられる枠状の剛性を有するフレームと、
前記枠状のフレームの内側空間に配置される発泡材料からなる断熱板と、
前記フレームの厚さ方向の両面に取着され前記断熱板を覆うカバーとで構成され、
前記断熱板は前記カバーに臨む正面と背面と、それら正面と背面とを接続し前記フレームに臨む側面とを有し、
前記断熱板の前記正面と前記背面間の寸法は、前記フレームの厚さと同一の寸法で形成され、
前記断熱板は、その正面、背面、側面を含む表面の全域に、熱加工により溶解されることで水の浸入を阻止する皮膜が形成されており、
前記フレームの複数箇所に水抜き用の欠部が設けられ、
前記カバーとフレームはねじにより結合され、前記カバーと前記断熱板の正面および背面は接着剤により接合されている、
ことを特徴とする電波望遠鏡の日除けパネル。 A sunshade panel attached to the back of the radio telescope that supports the main mirror of the radio telescope.
The sunshade panel is
A frame having a frame-like rigidity attached to the main mirror frame;
A heat insulating plate made of a foam material disposed in the inner space of the frame-shaped frame;
The cover is attached to both sides in the thickness direction of the frame and covers the heat insulating plate,
The heat insulating plate has a front surface and a back surface facing the cover, and a side surface that connects the front surface and the back surface and faces the frame,
The dimension between the front surface and the back surface of the heat insulating plate is formed with the same dimension as the thickness of the frame,
The heat insulating plate is formed with a film that prevents intrusion of water by being melted by thermal processing over the entire surface including the front, back, and side surfaces,
There are provided water drainage at a plurality of locations on the frame,
The cover and the frame are coupled by screws, and the front and back surfaces of the cover and the heat insulating plate are joined by an adhesive.
A radio telescope awning panel. 前記発泡性材料は、塩化ビニルを主成分とする発泡性材料である、
ことを特徴とする請求項１記載の電波望遠鏡の日除けパネル。 The foamable material is a foamable material mainly composed of vinyl chloride.
The sunshade panel of the radio telescope according to claim 1, wherein: 前記フレームは、鋼製であり、
前記カバーは、アルミ合金製である、
ことを特徴とする請求項１記載の電波望遠鏡の日除けパネル。 The frame is made of steel;
The cover is made of an aluminum alloy,
The sunshade panel of the radio telescope according to claim 1, wherein: 前記皮膜は、平坦な加熱面を有するホットプレートを前記断熱板の表面に当て付けることで形成されている、
ことを特徴とする請求項１記載の電波望遠鏡の日除けパネル。 The coating is formed by applying a hot plate having a flat heating surface to the surface of the heat insulating plate,
The sunshade panel of the radio telescope according to claim 1, wherein: 電波望遠鏡の主鏡パネルを支える主鏡骨組みの前面と反対に位置する背面に取り付けられる日除けパネルの製造方法であって、
前記日除けパネルは、
前記主鏡骨組みに取り付けられる枠状の剛性を有するフレームと、
前記枠状のフレームの内側空間に配置される発泡材料からなる断熱板と、
前記フレームの厚さ方向の両面に取着され前記断熱板を覆うカバーとで構成され、
前記断熱板は前記カバーに臨む正面と背面と、それら正面と背面とを接続し前記フレームに臨む側面とを有し、
前記断熱板は、その正面、背面、側面を含む表面の全域に、熱加工により溶解されることで水の浸入を阻止する皮膜が形成されており、
前記フレームの複数箇所に水抜き用の欠部が設けられ、
前記カバーとフレームはねじにより結合され、前記カバーと前記断熱板の正面および背面は接着剤により接合され、
前記断熱板を、前記正面と背面のうちの一方の面と前記側面とを予め熱加工により溶解してそれらの面に前記皮膜を形成しておき、
その後、定盤上において前記フレームをその厚さ方向を上下方向に向けて載置し、
前記フレームの内側空間内に、前記皮膜が形成された前記正面と背面のうちの一方の面を下に向けて前記断熱板を挿入して定盤上に載置し、
前記フレームの上方からホットプレートの平坦な加熱面を、上方を向いた前記フレームの厚さ方向の面をストッパ面として、前記皮膜が形成されていない前記断熱板の前記正面と背面のうちの他方の面に押し当てることで前記他方の面に皮膜を形成し、前記断熱板の前記正面と前記背面間の寸法を、前記フレームの厚さと同一の寸法に形成するようにした、
ことを特徴とする電波望遠鏡の日除けパネルの製造方法。 A method of manufacturing an awning panel that is attached to the back side of the main frame that supports the main mirror panel of the radio telescope.
The sunshade panel is
A frame having a frame-like rigidity attached to the main mirror frame;
A heat insulating plate made of a foam material disposed in the inner space of the frame-shaped frame;
The cover is attached to both sides in the thickness direction of the frame and covers the heat insulating plate,
The heat insulating plate has a front surface and a back surface facing the cover, and a side surface that connects the front surface and the back surface and faces the frame,
The heat insulating plate is formed with a film that prevents intrusion of water by being melted by thermal processing over the entire surface including the front, back, and side surfaces,
There are provided water drainage at a plurality of locations on the frame,
The cover and the frame are coupled by screws, and the front and back surfaces of the cover and the heat insulating plate are joined by an adhesive,
The heat insulating plate, one surface of the front and back and the side surface is previously melted by thermal processing to form the film on those surfaces,
Then, the frame is placed on the surface plate with its thickness direction facing up and down,
In the inner space of the frame, the heat insulating plate is inserted with the one surface of the front surface and the rear surface on which the film is formed facing downward, and placed on a surface plate,
Using the flat heating surface of the hot plate from above the frame and the surface in the thickness direction of the frame facing upward as the stopper surface, the other of the front and back surfaces of the heat insulating plate on which the film is not formed A film is formed on the other surface by pressing against the surface of the heat insulation plate, and the dimension between the front surface and the back surface of the heat insulating plate is formed to the same dimension as the thickness of the frame.
A method of manufacturing a solar shading panel for a radio telescope.
JP2008202799A 2008-08-06 2008-08-06 Radio telescope sunshade panel and its manufacturing method Expired - Fee Related JP5135113B2 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201306A (en) * 1981-06-03 1982-12-09 Mitsubishi Electric Corp Antenna device
JPH01126613U (en) * 1988-02-08 1989-08-30
JPH0339907U (en) * 1989-08-28 1991-04-17
JP2000102998A (en) * 1998-09-29 2000-04-11 Showa Denko Plastic Products Kk Surface reinforced foam and its production

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201306A (en) * 1981-06-03 1982-12-09 Mitsubishi Electric Corp Antenna device
JPH01126613U (en) * 1988-02-08 1989-08-30
JPH0339907U (en) * 1989-08-28 1991-04-17
JP2000102998A (en) * 1998-09-29 2000-04-11 Showa Denko Plastic Products Kk Surface reinforced foam and its production

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