JPS5890700U - X-ray tube filament heating device - Google Patents

X-ray tube filament heating device

Info

Publication number
JPS5890700U
JPS5890700U JP18659781U JP18659781U JPS5890700U JP S5890700 U JPS5890700 U JP S5890700U JP 18659781 U JP18659781 U JP 18659781U JP 18659781 U JP18659781 U JP 18659781U JP S5890700 U JPS5890700 U JP S5890700U
Authority
JP
Japan
Prior art keywords
ray tube
tube filament
constant voltage
heating device
filament heating
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
Application number
JP18659781U
Other languages
Japanese (ja)
Inventor
村上　文男
Original Assignee
株式会社日立メデイコ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立メデイコ filed Critical 株式会社日立メデイコ
Priority to JP18659781U priority Critical patent/JPS5890700U/en
Publication of JPS5890700U publication Critical patent/JPS5890700U/en
Pending legal-status Critical Current

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  • 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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、従来のＸ線管フィラメント加熱装置の一例を
示す図、第２図は、Ｘ線管フィラメント加熱電流対管電
圧特性を示す図、第３図は、本考案の一実施例の構成を
示す図である。 １・・・非定電圧直流電源、２・・・制御トランジスタ
、３・・・制御トランジスタの制御回路、４・・・定電
圧発生回路、５・・・管電流選択器、６・・・補正信号
、７・・・インバータ回路、８・・・Ｘ線管フィラメン
ト加熱回路断線検出リレー、９・・・Ｘ線管フィラメン
ト加熱用トランス、１０・・・Ｘ線管フィラメント、１
１・・・電力制限部材、１２・・・接点、１３・・・定
電圧電源、１４・・・比較器、１５・・・検出基準電圧
設定用抵抗器、１６・・・リレー。FIG. 1 is a diagram showing an example of a conventional X-ray tube filament heating device, FIG. 2 is a diagram showing X-ray tube filament heating current vs. tube voltage characteristics, and FIG. 3 is a diagram showing an example of a conventional X-ray tube filament heating device. FIG. 3 is a diagram showing the configuration. DESCRIPTION OF SYMBOLS 1... Non-constant voltage DC power supply, 2... Control transistor, 3... Control circuit of control transistor, 4... Constant voltage generation circuit, 5... Tube current selector, 6... Correction Signal, 7... Inverter circuit, 8... X-ray tube filament heating circuit disconnection detection relay, 9... X-ray tube filament heating transformer, 10... X-ray tube filament, 1
DESCRIPTION OF SYMBOLS 1... Power limiting member, 12... Contact, 13... Constant voltage power supply, 14... Comparator, 15... Resistor for setting detection reference voltage, 16... Relay.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流電源の後段に接続された定電圧発生回路を有するＸ
線管フィラメント加熱装置において、前記定電圧発生回
路の後段に常時その両端が短絡された電力制限部材を接
続し、この定電圧発生回路と電力制限部材との間に定電
圧発生回路の出力電圧を検出する検出器を接続し、その
検出器が動作したとき前記電力制限部材をＸ線管フィラ
メント加熱回路に挿入する手段を備えたことを特徴とす
るＸ線管フィラメント加熱装置。X with a constant voltage generation circuit connected to the rear stage of the DC power supply
In the wire tube filament heating device, a power limiting member whose both ends are always short-circuited is connected to the downstream of the constant voltage generating circuit, and the output voltage of the constant voltage generating circuit is connected between the constant voltage generating circuit and the power limiting member. An apparatus for heating an X-ray tube filament, comprising means for connecting a detector for detecting the X-ray tube filament and inserting the power limiting member into an X-ray tube filament heating circuit when the detector is activated.
JP18659781U 1981-12-15 1981-12-15 X-ray tube filament heating device Pending JPS5890700U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18659781U JPS5890700U (en) 1981-12-15 1981-12-15 X-ray tube filament heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18659781U JPS5890700U (en) 1981-12-15 1981-12-15 X-ray tube filament heating device

Publications (1)

Publication Number Publication Date
JPS5890700U true JPS5890700U (en) 1983-06-20

Family

ID=29988676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18659781U Pending JPS5890700U (en) 1981-12-15 1981-12-15 X-ray tube filament heating device

Country Status (1)

Country Link
JP (1) JPS5890700U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01130300U (en) * 1988-02-29 1989-09-05

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51149787A (en) * 1975-06-17 1976-12-22 Yoshida Dental Mfg Co Ltd X-ray mashine for dental surgery
JPS5239082B1 (en) * 1970-08-05 1977-10-03

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239082B1 (en) * 1970-08-05 1977-10-03
JPS51149787A (en) * 1975-06-17 1976-12-22 Yoshida Dental Mfg Co Ltd X-ray mashine for dental surgery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01130300U (en) * 1988-02-29 1989-09-05

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