JPS5843198Y2 - "X-ray device" - Google Patents
"X-ray device"Info
- Publication number
- JPS5843198Y2 JPS5843198Y2 JP1976119002U JP11900276U JPS5843198Y2 JP S5843198 Y2 JPS5843198 Y2 JP S5843198Y2 JP 1976119002 U JP1976119002 U JP 1976119002U JP 11900276 U JP11900276 U JP 11900276U JP S5843198 Y2 JPS5843198 Y2 JP S5843198Y2
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- voltage
- ray
- impedance
- changes
- 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.)
- Expired
Links
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 1
Landscapes
- X-Ray Techniques (AREA)
Description
【考案の詳細な説明】 本考案は、同時点火型のＸ線装置に関する。[Detailed explanation of the idea] The present invention relates to a simultaneous ignition type X-ray apparatus.
この種Ｘ線装置においては、入力電圧の変動に対し、Ｘ
線管電圧およびＸ線管電流が同時に変化する。In this type of X-ray equipment, the X-ray
The ray tube voltage and x-ray tube current change simultaneously.
しかるに、一般配電線から供給された電源電圧は常に一
定ではない。However, the power supply voltage supplied from the general distribution line is not always constant.
このため、通常においてはＸ線管に高圧を与える高圧変
圧器の他に、別の変圧器を用いて入力電源電圧を調整し
ている。For this reason, in addition to the high voltage transformer that applies high voltage to the X-ray tube, another transformer is usually used to adjust the input power supply voltage.
したがって、装置要素が多く、電圧調整が煩雑である。Therefore, there are many device elements, and voltage adjustment is complicated.
本考案は、装置構成および取り扱いが簡単で、入力電圧
の変動に対してＸ線管電圧が安定した同時点火型Ｘ線装
置を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a simultaneous ignition type X-ray device that is easy to configure and handle, and whose X-ray tube voltage is stable against fluctuations in input voltage.
高圧変圧器の２次側からＸ線管電圧およびＸ線管フィラ
メント加熱電圧を得る構成の同時点火型Ｘ線装置におい
て入力電圧が変化したとすると管電圧が変化すると共に
管電流が変化する。If the input voltage changes in a simultaneous ignition type X-ray apparatus configured to obtain the X-ray tube voltage and the X-ray tube filament heating voltage from the secondary side of a high-voltage transformer, the tube voltage changes and the tube current also changes.
第１図に入力電圧に対する管電流の変化を示す。Figure 1 shows the change in tube current with respect to input voltage.
第１図に示すグラフにおいて、横軸は１次電圧（入力電
圧）、縦軸はＸ線管電流（２次電流）を示す。In the graph shown in FIG. 1, the horizontal axis shows the primary voltage (input voltage), and the vertical axis shows the X-ray tube current (secondary current).
今、入力電圧ＥｉがＪＥｉだけ変化したとすると、その
ときのＸ線管電圧Ｖ、の変化量、（Ｖ工は、Ａ Ｖ−ｒ
＝、（’Ｅｘ ＋ ｎ ｌ ｉＴＺ”・・・・（１）
となる。Now, if the input voltage Ei changes by JEi, the amount of change in the X-ray tube voltage V at that time, (V is A V-r
=, ('Ex + n l iTZ"...(1)
becomes.
１ｉ−ｒは管電流の変化分、Ｚは電源からＸ線管に至る
Ｘ線管回路の全等価インピーダンス、ｎは巻数比である
。1ir is the change in tube current, Z is the total equivalent impedance of the X-ray tube circuit from the power source to the X-ray tube, and n is the turns ratio.
Ｘ線管電圧の変化量Ｊ’ＶＴを零とするためには、つま
り、入力電圧の変動ＪＥｉにもかかわらずＸ線管電圧■
□を安定にするためには（１）式を零とすればよい。In order to make the amount of change J'VT in the X-ray tube voltage zero, in other words, despite the fluctuation JEi in the input voltage, the X-ray tube voltage ■
In order to make □ stable, equation (1) should be set to zero.
したがって、ＡＥｉ−ｎ−ＪｉＴＺ・・・・・・（２）
したがって、本考案においては、Ｘ線装置の高電圧変圧
器への入力電圧の変化に伴うＸ線管電圧の変化分と、前
記入力電圧の変化に伴うＸ線管電流の変化力とＸ線管回
路の全等価インピーダンスとの積が等しくなる様にＸ線
管回路のインピーダンスを定める。Therefore, AEi-n-JiTZ...(2)
Therefore, in the present invention, the change in the X-ray tube voltage due to the change in the input voltage to the high voltage transformer of the X-ray device, the change in the X-ray tube current due to the change in the input voltage, and The impedance of the X-ray tube circuit is determined so that the product with the total equivalent impedance of the circuit is equal.
第２図は、本考案の一実施例を示す回路図である。FIG. 2 is a circuit diagram showing an embodiment of the present invention.
第２図において１は電源、２は高電圧変圧器、３はＸ線
管、４はｍＡ５タイマーである。In FIG. 2, 1 is a power supply, 2 is a high voltage transformer, 3 is an X-ray tube, and 4 is an mA5 timer.
この等何回路を第３図に示す。This circuit is shown in FIG.
第３図において、Ｚｌは電源インピーダンス、Ｚ２は１
次側インピーダンス、Ｚ３は２次側インピーダンス、Ｚ
４はＸ線管等価インピーダンスである。In Figure 3, Zl is the power supply impedance, Z2 is 1
The secondary impedance, Z3 is the secondary impedance, Z
4 is the equivalent impedance of the X-ray tube.
この実施例において、１次側インピーダンスＺ２．２次
側のインピーダンスＺ３、Ｘ線管等価インピーダンスＺ
４および巻数比ｎは、前述のように、全等価インピーダ
ンスＺが（２）式の関係を満たすように定められている
。In this example, the primary impedance Z2, the secondary impedance Z3, and the X-ray tube equivalent impedance Z
4 and the turns ratio n are determined so that the total equivalent impedance Z satisfies the relationship of equation (2), as described above.
一方、Ｘ線管電流の変化に対応して制御装置内にｍＡ８
タイマーを設置することにより所定のＸ線出力が得られ
る。On the other hand, in response to changes in the X-ray tube current, mA8
A predetermined X-ray output can be obtained by installing a timer.
以上の通り、本考案によれば、電源電圧を調整するため
の変圧器を必要とせず、構造が簡単となり、特に簡易型
の同時点火型Ｘ線装置に適する。As described above, the present invention does not require a transformer for adjusting the power supply voltage, has a simple structure, and is particularly suitable for a simple simultaneous ignition type X-ray apparatus.
第１図は本考案を説明するためのグラフである。
第２図は本考案の一実施例を示す回路図、第３図はその
等他回路図である。
１：電源、２：高電圧変圧器、３：Ｘ線管、４：ｍＡ５
タイマー、Ｅｉ：入力電圧、ｖ、ｒ：Ｘ線管電圧、Ｚｌ
：電源インピーダンス、Ｚ２：１次側インピーダンス、
Ｚ３：２次側インピーダンス、Ｚ４：Ｘ線管等価インピ
ーダンス。FIG. 1 is a graph for explaining the present invention. FIG. 2 is a circuit diagram showing one embodiment of the present invention, and FIG. 3 is another circuit diagram. 1: Power supply, 2: High voltage transformer, 3: X-ray tube, 4: mA5
Timer, Ei: input voltage, v, r: X-ray tube voltage, Zl
: Power supply impedance, Z2: Primary side impedance,
Z3: Secondary side impedance, Z4: X-ray tube equivalent impedance.
Claims (1)
への入力電圧の変化に伴うＸ線管電圧の変化分と、前記
入力電圧の変化に伴うＸ線管電流とＸ線管回路の全等価
インピーダンスとの積が等しくなるようにＸ線管回路の
インピーダンスを定め、かつｍＡ８タイマーを備えるこ
とを特徴とするＸ線装置。In a simultaneous ignition type X-ray device, changes in the X-ray tube voltage due to changes in the input voltage to the high voltage transformer of the X-ray device, and changes in the X-ray tube current and X-ray tube circuit due to changes in the input voltage are An X-ray apparatus characterized in that the impedance of the X-ray tube circuit is determined so that the product with the total equivalent impedance is equal, and the impedance is provided with an mA8 timer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976119002U JPS5843198Y2 (en) | 1976-09-04 | 1976-09-04 | "X-ray device" |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976119002U JPS5843198Y2 (en) | 1976-09-04 | 1976-09-04 | "X-ray device" |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5337465U JPS5337465U (en) | 1978-04-01 |
| JPS5843198Y2 true JPS5843198Y2 (en) | 1983-09-29 |
Family
ID=28728534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976119002U Expired JPS5843198Y2 (en) | 1976-09-04 | 1976-09-04 | "X-ray device" |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5843198Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5039088A (en) * | 1973-06-28 | 1975-04-10 |
-
1976
- 1976-09-04 JP JP1976119002U patent/JPS5843198Y2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5039088A (en) * | 1973-06-28 | 1975-04-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5337465U (en) | 1978-04-01 |
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