JPH01100507U - - Google Patents
Info
- Publication number
- JPH01100507U JPH01100507U JP19440387U JP19440387U JPH01100507U JP H01100507 U JPH01100507 U JP H01100507U JP 19440387 U JP19440387 U JP 19440387U JP 19440387 U JP19440387 U JP 19440387U JP H01100507 U JPH01100507 U JP H01100507U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- outside air
- thermal deformation
- direct sunlight
- structural members
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
Description
第１図はこの考案の一実施例による熱変形抑制
構造を示す図、第２図は他の実施例を示す図、第
３図は高い形状精度を要求される鉄骨構造の一例
であるアンテナ装置の外観を示す図、第４図はア
ンテナ装置においてＡＺ回転構造部の熱変形によ
り反射鏡部の鏡軸がずれる様子を示す図である。
図において１は反射鏡部、１ａは熱変形後の反
射鏡部、２はＥＬ回転構造部、３はＥＬ主軸、３
ａは熱変形後のＥＬ主軸、４はＡＺ回転構造部、
４ａは熱変形後のＡＺ回転構造部、５は基礎構造
部、６はＥＬ駆動部、７はＡＺ駆動部、８はステ
ー、９はカバー、１０は送風機、１１は排気口、
１２はパツキンである。なお、図中同一符号は同
一または相当部分を示す。
Fig. 1 is a diagram showing a thermal deformation suppressing structure according to one embodiment of this invention, Fig. 2 is a diagram showing another embodiment, and Fig. 3 is an antenna device that is an example of a steel structure that requires high shape accuracy. FIG. 4 is a diagram showing how the mirror axis of the reflecting mirror section shifts due to thermal deformation of the AZ rotation structure section in the antenna device. In the figure, 1 is a reflecting mirror part, 1a is a reflecting mirror part after thermal deformation, 2 is an EL rotation structure part, 3 is an EL main axis, 3
a is the EL main axis after thermal deformation, 4 is the AZ rotation structure part,
4a is the AZ rotating structure after thermal deformation, 5 is the basic structure, 6 is the EL drive unit, 7 is the AZ drive unit, 8 is the stay, 9 is the cover, 10 is the blower, 11 is the exhaust port,
12 is Patsukin. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
の外周面に対して間隔を置いてカバーで覆い、そ
して部材表面とカバーの間の空気の層が外気と交
換しうるようにすることにより、直射日光に起因
する構造部材の熱変形を抑制する構造。 (2) 部材表面とカバーの間の空気の層が外気と
交換するのに自然対流または外気の風を利用すべ
く、カバーは適当に分割してある実用新案登録請
求の範囲第１項記載の直射日光に起因する構造部
材の熱変形を抑制する構造。 (3) 部材表面とカバーの間の空気の層が外気と
交換するのに強制流を生ぜしめるべく、排気口と
吸入口ならびに送風機を備えた実用新案登録請求
の範囲第１項記載の直射日光に起因する構造部材
の熱変形を抑制する構造。[Claims for Utility Model Registration] (1) The outer periphery of a structural member that requires shape accuracy is covered with a cover at a distance from the outer circumferential surface, and the air layer between the member surface and the cover is connected to the outside air. A structure that suppresses thermal deformation of structural members caused by direct sunlight by making them replaceable. (2) The cover is appropriately divided so that the air layer between the surface of the member and the cover can be exchanged with the outside air using natural convection or wind from the outside air. A structure that suppresses thermal deformation of structural members caused by direct sunlight. (3) Direct sunlight as described in Claim 1 of the Utility Model Registration Claim, which is equipped with an exhaust port, an intake port, and a blower to generate a forced flow when the air layer between the member surface and the cover is exchanged with outside air. A structure that suppresses thermal deformation of structural members caused by
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19440387U JPH01100507U (en) | 1987-12-22 | 1987-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19440387U JPH01100507U (en) | 1987-12-22 | 1987-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01100507U true JPH01100507U (en) | 1989-07-06 |
Family
ID=31485133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19440387U Pending JPH01100507U (en) | 1987-12-22 | 1987-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01100507U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5946003B2 (en) * | 1979-07-04 | 1984-11-09 | 株式会社モリタ製作所 | Aerial ultrasonic position control device for tables or chairs |
| JPS6251807B2 (en) * | 1977-09-19 | 1987-11-02 | Jones & Co Inc R A |
-
1987
- 1987-12-22 JP JP19440387U patent/JPH01100507U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6251807B2 (en) * | 1977-09-19 | 1987-11-02 | Jones & Co Inc R A | |
| JPS5946003B2 (en) * | 1979-07-04 | 1984-11-09 | 株式会社モリタ製作所 | Aerial ultrasonic position control device for tables or chairs |
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