JPH0340800U - - Google Patents
Info
- Publication number
- JPH0340800U JPH0340800U JP10070089U JP10070089U JPH0340800U JP H0340800 U JPH0340800 U JP H0340800U JP 10070089 U JP10070089 U JP 10070089U JP 10070089 U JP10070089 U JP 10070089U JP H0340800 U JPH0340800 U JP H0340800U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- detection signal
- ripple
- output
- inverter
- 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
- 238000001514 detection method Methods 0.000 claims 7
- 239000000284 extract Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- X-Ray Techniques (AREA)
Description
第１図はこの考案の一実施例のＸ線ＣＴ用高電
圧発生装置のブロツク図、第２図は従来のＸ線Ｃ
Ｔ用高電圧発生装置の一例のブロツク図である。
符号の説明、１……Ｘ線ＣＴ用高電圧発生装置
、２……整流回路、４……インバータ、６……多
段コツククロフト回路、７，１１……分圧器、８
，９，１２……アンプ、１０……ＰＷＭ制御回路
、Ｃ……コンデンサ。
Figure 1 is a block diagram of a high voltage generator for X-ray CT according to an embodiment of this invention, and Figure 2 is a diagram of a conventional X-ray CT generator.
FIG. 2 is a block diagram of an example of a high voltage generator for T. Explanation of symbols, 1... High voltage generator for X-ray CT, 2... Rectifier circuit, 4... Inverter, 6... Multi-stage Kotscroft circuit, 7, 11... Voltage divider, 8
, 9, 12...Amplifier, 10...PWM control circuit, C...Capacitor.
Claims (1)
で逆変換した後、多段コツククロフト回路で直流
高電圧とするＸ線ＣＴ用高電圧発生装置において
、 多段コツククロフト回路の終段側から直流出力
検出信号を取り出す直流出力検出回路と、多段コ
ツククロフト回路の初段側からリツプル検出信号
を取り出すリツプル検出回路と、前記直流出力検
出信号およびリツプル検出信号に基づいて前記イ
ンバータを制御し直流出力のレギユレーシヨンお
よびリツプルの抑制を行うインバータ制御回路と
を具備したことを特徴とするＸ線ＣＴ用高電圧発
生装置。[Claim for Utility Model Registration] In a high voltage generator for X-ray CT, in which a DC voltage obtained by rectifying an AC power supply is inversely converted using an inverter and then converted to a high DC voltage in a multistage Kotscroft circuit, A DC output detection circuit that extracts a DC output detection signal from the stage side, a ripple detection circuit that extracts a ripple detection signal from the first stage side of the multi-stage Cottcroft circuit, and a DC output detection circuit that controls the inverter based on the DC output detection signal and the ripple detection signal, and A high voltage generator for X-ray CT, comprising an inverter control circuit that regulates output and suppresses ripple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10070089U JPH0340800U (en) | 1989-08-29 | 1989-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10070089U JPH0340800U (en) | 1989-08-29 | 1989-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0340800U true JPH0340800U (en) | 1991-04-18 |
Family
ID=31649689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10070089U Pending JPH0340800U (en) | 1989-08-29 | 1989-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019204751A (en) * | 2018-05-25 | 2019-11-28 | キヤノンメディカルシステムズ株式会社 | X-ray high-voltage device and power supply device |
-
1989
- 1989-08-29 JP JP10070089U patent/JPH0340800U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019204751A (en) * | 2018-05-25 | 2019-11-28 | キヤノンメディカルシステムズ株式会社 | X-ray high-voltage device and power supply device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0340800U (en) | ||
| JPH03127490U (en) | ||
| JPH0391084U (en) | ||
| JPS61143213U (en) | ||
| JPS634189U (en) | ||
| JPS6257593U (en) | ||
| JPH03104093U (en) | ||
| JPS6296716U (en) | ||
| JPH0244887U (en) | ||
| JPS6344633U (en) | ||
| JPH0463554U (en) | ||
| JPS61159729U (en) | ||
| JPH0244885U (en) | ||
| JPS6336132U (en) | ||
| JPS62159130U (en) | ||
| JPH03117387U (en) | ||
| JPS6125612U (en) | AC constant voltage constant current generator | |
| JPS6257594U (en) | ||
| JPS5840632A (en) | stabilized power supply | |
| JPS6221789U (en) | ||
| JPH01116598U (en) | ||
| JPH0291198U (en) | ||
| JPH01116590U (en) | ||
| JPH0249384U (en) | ||
| JPH0383489U (en) |