JPS58400U - X-ray movable aperture device - Google Patents
X-ray movable aperture deviceInfo
- Publication number
- JPS58400U JPS58400U JP9437781U JP9437781U JPS58400U JP S58400 U JPS58400 U JP S58400U JP 9437781 U JP9437781 U JP 9437781U JP 9437781 U JP9437781 U JP 9437781U JP S58400 U JPS58400 U JP S58400U
- Authority
- JP
- Japan
- Prior art keywords
- rotating member
- diaphragm
- opening
- aperture blade
- ray
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例Ｘ線可動絞り装置の平面図
、第２図は上記装置の側面（１部所面）図、第３図は上
記装置の左側面（１部所面図、第４図■■は上記装置の
作用説明の略図、第５図は上記装置の周波数制御式電動
機駆動回路図である。
Ｘｏ・・・Ｘ線放射離軸、７・・・装置基板、８・・・
第一の交流電動機、９・・・第二の交流電動機、１１・
・・絞り羽根回転部材、１２・・・絞り羽根ガイドレー
ル、１２Ｐ・・・上記１２の支柱、１３・・・絞り羽根
、１４・・・絞り開閉回転部材、１６Ａ、１６Ｂ・・・
絞り羽根ガイドピン、Ｌ・・・絞り開度、ＦＲ・・・絞
り羽根回転速度、Ｆピ・・絞り開閉速度。Fig. 1 is a plan view of an X-ray movable diaphragm device according to an embodiment of the invention, Fig. 2 is a side view (partial view) of the above device, and Fig. 3 is a left side view (partial view) of the above device. , FIG. 4 ■■ is a schematic diagram illustrating the operation of the above device, and FIG. 5 is a frequency-controlled motor drive circuit diagram of the above device. ...
First AC motor, 9... Second AC motor, 11.
...Aperture blade rotating member, 12...Aperture blade guide rail, 12P...Above 12 pillars, 13...Aperture blade, 14...Aperture opening/closing rotating member, 16A, 16B...
Aperture blade guide pin, L...Aperture opening, FR...Aperture blade rotation speed, F Pi...Aperture opening/closing speed.
Claims (1)
材にてなる絞り羽根１３を開閉自在に保持し、かつ装置
基板７に回転自在に支承され、前記Ｘ線管の放射離軸Ｘ
、を回転中心として第一の交流電動機８によって可逆回
転される絞り羽根回転部材１１と、この絞り羽根回転部
材１１にその回転中心を一致させ、この回転部材１１ま
たは装置基板７に回転自在に支承され、第二の交流電動
機９によって可逆回転されるとともに、その回転運動を
前記絞り羽根１３の開閉動作に変換する機構を係合する
絞り開閉回転部材１４と、前記絞り開閉回転部材１４の
回転の際、その回転速度すなわち絞り開閉速度ＦＦを任
意に設定するとともに、前記絞り羽根回転部材１１の回
転の際絞り開閉部材−１４を同一方向に同期回転するよ
うにした周波数制御型電動機駆動回路とを設けてなり、
Ｘ線放射離軸Ｘ、に対する方向とその放射錐の絞り開度
とをそれぞれ可変にし、かつその可変速度Ｆ、、 Ｆ。 を任意に選定するようにしたことを特徴とするＸ線可動
絞り装置。[Scope of claim for utility model registration] The part located at the front of the X-ray tube and having a large X-ray absorption coefficient,
The diaphragm blades 13 made of material are held so as to be openable and closable, and are rotatably supported on the device board 7, and
, an aperture blade rotating member 11 that is reversibly rotated by a first AC motor 8 with the rotation center being the aperture blade rotating member 11, and the aperture blade rotating member 11 having its rotation center coincident with the aperture blade rotating member 11 and rotatably supported on the rotating member 11 or the device board 7. and a diaphragm opening/closing rotating member 14 that is reversibly rotated by the second AC motor 9 and engages a mechanism that converts the rotational movement into an opening/closing operation of the diaphragm blades 13; At this time, the rotational speed, that is, the opening/closing speed FF of the diaphragm is arbitrarily set, and the diaphragm opening/closing member 14 is rotated synchronously in the same direction when the aperture blade rotating member 11 is rotated. It has been established,
The direction with respect to the X-ray radiation off-axis X, and the aperture opening of the radiation cone are respectively variable, and the variable speed F,, F. An X-ray movable diaphragm device characterized in that the X-ray movable diaphragm is arbitrarily selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9437781U JPS58400U (en) | 1981-06-24 | 1981-06-24 | X-ray movable aperture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9437781U JPS58400U (en) | 1981-06-24 | 1981-06-24 | X-ray movable aperture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58400U true JPS58400U (en) | 1983-01-05 |
Family
ID=29889306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9437781U Pending JPS58400U (en) | 1981-06-24 | 1981-06-24 | X-ray movable aperture device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58400U (en) |
-
1981
- 1981-06-24 JP JP9437781U patent/JPS58400U/en active Pending
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