JPS61179579U - - Google Patents

Info

Publication number
JPS61179579U
JPS61179579U JP6179085U JP6179085U JPS61179579U JP S61179579 U JPS61179579 U JP S61179579U JP 6179085 U JP6179085 U JP 6179085U JP 6179085 U JP6179085 U JP 6179085U JP S61179579 U JPS61179579 U JP S61179579U
Authority
JP
Japan
Prior art keywords
circuit
main capacitor
reference voltage
detection
flash lamp
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
JP6179085U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP6179085U priority Critical patent/JPS61179579U/ja
Publication of JPS61179579U publication Critical patent/JPS61179579U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fixing For Electrophotography (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Description

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

第１図はトナー定着装置の一例の概略を示す説
明図、第２図はフラツシユランプを発光させるた
めの電源回路の一例を示す説明用回路図である。 １……フラツシユランプ、２４……搬送検知器
、２５……排紙検知器、３１……電源トランス、
３２……整流器、３３……主コンデンサ、３４…
…トリガー回路、４……スイツチ回路、５……制
御回路、６……検出回路、７……比較回路、８…
…基準電圧回路、６１，６２……分圧抵抗、８１
……抵抗、８２……ツエナーダイオード、８３，
８４……分圧抵抗。 FIG. 1 is an explanatory diagram schematically showing an example of a toner fixing device, and FIG. 2 is an explanatory circuit diagram showing an example of a power supply circuit for causing a flash lamp to emit light. 1... Flash lamp, 24... Conveyance detector, 25... Paper discharge detector, 31... Power transformer,
32... Rectifier, 33... Main capacitor, 34...
...Trigger circuit, 4...Switch circuit, 5...Control circuit, 6...Detection circuit, 7...Comparison circuit, 8...
...Reference voltage circuit, 61, 62...Voltage dividing resistor, 81
... Resistor, 82 ... Zener diode, 83,
84...Divider resistance.

Claims (1)

【実用新案登録請求の範囲】 トナー定着用のフラツシユランプと、このフラ
ツシユランプを発光せしめるための電源回路とを
具えてなるトナー定着装置であつて、 前記電源回路は、前記フラツシユランプへ発光
エネルギーを供給するためのエネルギー供給用主
コンデンサと、この主コンデンサへの通電を制御
するスイツチ回路と、このスイツチ回路の動作を
制御する制御回路とを具え、 前記制御回路は、前記主コンデンサの充電電圧
を検出する検出回路と、この検出回路よりの検出
信号と基準電圧回路よりの基準電圧信号とに基づ
いた動作信号を前記スイツチ回路に供給して前記
主コンデンサの充電電圧を定電圧化する比較回路
とを有し、 前記検出回路よりの検出信号または前記基準電
圧回路よりの基準電圧信号は、環境温度が低くな
るに従つて前記主コンデンサの充電電圧を高くす
る方向にそのレベルがシフトするものであること
を特徴とするトナー定着装置。[Claims for Utility Model Registration] A toner fixing device comprising a flash lamp for toner fixing and a power circuit for causing the flash lamp to emit light, the power circuit supplying power to the flash lamp. The main capacitor includes an energy supply main capacitor for supplying light emitting energy, a switch circuit that controls energization to the main capacitor, and a control circuit that controls the operation of the switch circuit. A detection circuit that detects the charging voltage, and an operation signal based on the detection signal from the detection circuit and the reference voltage signal from the reference voltage circuit is supplied to the switch circuit to make the charging voltage of the main capacitor constant. and a comparison circuit, wherein the detection signal from the detection circuit or the reference voltage signal from the reference voltage circuit shifts in level in the direction of increasing the charging voltage of the main capacitor as the environmental temperature decreases. A toner fixing device characterized in that:
JP6179085U 1985-04-26 1985-04-26 Pending JPS61179579U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6179085U JPS61179579U (en) 1985-04-26 1985-04-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6179085U JPS61179579U (en) 1985-04-26 1985-04-26

Publications (1)

Publication Number Publication Date
JPS61179579U true JPS61179579U (en) 1986-11-08

Family

ID=30590392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6179085U Pending JPS61179579U (en) 1985-04-26 1985-04-26

Country Status (1)

Country Link
JP (1) JPS61179579U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56155969A (en) * 1980-05-06 1981-12-02 Nec Corp Flash fixing device
JPS57201274A (en) * 1981-06-04 1982-12-09 Ricoh Co Ltd Flash fixing device
JPS58211775A (en) * 1982-06-04 1983-12-09 Matsushita Electric Ind Co Ltd Flash fixation device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56155969A (en) * 1980-05-06 1981-12-02 Nec Corp Flash fixing device
JPS57201274A (en) * 1981-06-04 1982-12-09 Ricoh Co Ltd Flash fixing device
JPS58211775A (en) * 1982-06-04 1983-12-09 Matsushita Electric Ind Co Ltd Flash fixation device

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