JPS58152800U - X-ray filament heating device - Google Patents
X-ray filament heating deviceInfo
- Publication number
- JPS58152800U JPS58152800U JP4814882U JP4814882U JPS58152800U JP S58152800 U JPS58152800 U JP S58152800U JP 4814882 U JP4814882 U JP 4814882U JP 4814882 U JP4814882 U JP 4814882U JP S58152800 U JPS58152800 U JP S58152800U
- Authority
- JP
- Japan
- Prior art keywords
- inverter circuit
- heating device
- tube
- filament heating
- 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
Landscapes
- X-Ray Techniques (AREA)
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図は管電圧と管電流との関係図、第２図は管電圧と
フィラメント電流との関係図、第３図は従来のフィラメ
ント加熱装置蕊構成図、第４図は本考案のフィラメント
加熱装置の実施例図、第５−図は本考案の関数発生回路
の実施例図、第６図イ。
口は関数発生器の特性図、第７図は管電圧とフィラメン
ト電流との関係を示す図、第８図及び第９図は管電圧と
加算回路との関係図、第１０図は管電圧と定電圧回路の
基準電圧との関係図である。
１３・・・直流電源、１４・・・定電圧回路、１５・・
・インバータ回路、１６・・・関数発生回路、１７・・
・管電圧比例信号発生回路、１８・・・インバータ用フ
ィラメント加熱ｌ・ランス。Figure 1 is a diagram of the relationship between tube voltage and tube current, Figure 2 is a diagram of relationship between tube voltage and filament current, Figure 3 is a diagram of the configuration of a conventional filament heating device, and Figure 4 is the filament heating of the present invention. FIG. 5-A is an embodiment of the apparatus, and FIG. 6A is an embodiment of the function generating circuit of the present invention. Figure 7 shows the relationship between the tube voltage and filament current, Figures 8 and 9 show the relationship between the tube voltage and the adder circuit, and Figure 10 shows the relationship between the tube voltage and the adder circuit. FIG. 3 is a relationship diagram between a constant voltage circuit and a reference voltage. 13... DC power supply, 14... Constant voltage circuit, 15...
・Inverter circuit, 16... Function generation circuit, 17...
- Tube voltage proportional signal generation circuit, 18...Filament heating l/lance for inverter.
Claims (1)
と、該インバータ回路の交流出力を入力するＸ線管フィ
ラメント加熱トランスとより成ると共に、上記直流電源
とインバータ回路との間に、管電圧に応じて管電流が一
定になるよう、直流電源の出力電圧を増減せしめその結
果をインバータ回路に入力させてなる補正手段を備えて
なるＸ線フィラメント加熱装置。 ２ 上記補正手段は、補正すべき加熱特性曲線の使用管
電圧領域内を多点の折線により近似されその折線が設定
管電流の増加と共に管電圧及びフィラメント電流の高い
方へ平行移動させるべく機能を持つ実用新案登録請求の
範囲第１項記載のＸ線フィラメント加熱装置。[Claims for Utility Model Registration] 1. Consisting of a DC power supply, an inverter circuit that converts the DC to AC, and an X-ray tube filament heating transformer that inputs the AC output of the inverter circuit, the DC power supply and the inverter circuit An X-ray filament heating device comprising a correction means for increasing or decreasing the output voltage of a DC power supply during the time so that the tube current is constant according to the tube voltage, and inputting the result to an inverter circuit. 2. The correction means has a function of approximating the operating tube voltage region of the heating characteristic curve to be corrected by a multi-point broken line, and causing the broken line to move in parallel toward higher tube voltage and filament current as the set tube current increases. The X-ray filament heating device according to claim 1, which has a utility model registration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4814882U JPS58152800U (en) | 1982-04-05 | 1982-04-05 | X-ray filament heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4814882U JPS58152800U (en) | 1982-04-05 | 1982-04-05 | X-ray filament heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58152800U true JPS58152800U (en) | 1983-10-13 |
Family
ID=30059083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4814882U Pending JPS58152800U (en) | 1982-04-05 | 1982-04-05 | X-ray filament heating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58152800U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS532179B2 (en) * | 1973-08-28 | 1978-01-26 | ||
| JPS54122993A (en) * | 1978-03-17 | 1979-09-22 | Toshiba Corp | Filament heater |
| JPS54157491A (en) * | 1978-06-02 | 1979-12-12 | Toshiba Corp | X-ray control unit |
-
1982
- 1982-04-05 JP JP4814882U patent/JPS58152800U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS532179B2 (en) * | 1973-08-28 | 1978-01-26 | ||
| JPS54122993A (en) * | 1978-03-17 | 1979-09-22 | Toshiba Corp | Filament heater |
| JPS54157491A (en) * | 1978-06-02 | 1979-12-12 | Toshiba Corp | X-ray control unit |
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