JPS61176798U - - Google Patents
Info
- Publication number
- JPS61176798U JPS61176798U JP6052185U JP6052185U JPS61176798U JP S61176798 U JPS61176798 U JP S61176798U JP 6052185 U JP6052185 U JP 6052185U JP 6052185 U JP6052185 U JP 6052185U JP S61176798 U JPS61176798 U JP S61176798U
- Authority
- JP
- Japan
- Prior art keywords
- winding
- capacitor
- power supply
- oscillation circuit
- feedback
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Dc-Dc Converters (AREA)
- Stroboscope Apparatuses (AREA)
Description
第１図は本考案による充電制御回路の一実施例
を示す回路図、第２図は第１図の動作を説明する
波形図、第３図は従来例の回路図、第４図は第３
図の動作を説明する波形図である。
１１……トランス、１１Ｐ……１次巻線、１１
Ｆ……帰還巻線、１１Ｓ……２次巻線、１２……
ダイオード、１３……発振回路用コンデンサ、１
４……抵抗、１６……直流電源、１７……駆動用
トランジスタ、１９……発振停止用トランジスタ
、２１……主コンデンサ、２２……ダイオード。
FIG. 1 is a circuit diagram showing an embodiment of the charging control circuit according to the present invention, FIG. 2 is a waveform diagram explaining the operation of FIG. 1, FIG. 3 is a circuit diagram of a conventional example, and FIG.
FIG. 3 is a waveform diagram illustrating the operation shown in FIG. 11...Transformer, 11P...Primary winding, 11
F...Feedback winding, 11S...Secondary winding, 12...
Diode, 13...Capacitor for oscillation circuit, 1
4...Resistor, 16...DC power supply, 17...Drive transistor, 19...Oscillation stop transistor, 21...Main capacitor, 22...Diode.
Claims (1)
ランスを備え、このトランスの２次巻線にダイオ
ードを介して接続する主コンデンサを充電する充
電制御回路において、 電流電源と、この直流電源の両端に抵抗を介し
て接続する発振回路用コンデンサと、コレクタ・
エミツタが前記１次巻線を介して前記直流電源の
両端に接続しベースは前記帰還巻線を介して発振
回路用コンデンサの一端に接続した駆動用トラン
ジスタと、前記２次巻線側に接続された主コンデ
ンサの端子電圧が予定値に達するとオン制御され
前記駆動用トランジスタのベース電流をバイパス
させる発信停止用トランジスタと、前記帰還巻線
と発振回路用コンデンサの一端との間に帰還巻線
からこのコンデンサに向う電流を阻止する方向で
設けられたダイオードとを備えたことを特徴とす
る充電制御回路。[Claims for Utility Model Registration] In a charging control circuit that includes a transformer having a primary winding, a feedback winding, and a secondary winding, and charges a main capacitor connected to the secondary winding of the transformer via a diode. , a current power supply, an oscillation circuit capacitor connected to both ends of this DC power supply via a resistor, and a collector
The emitter is connected to both ends of the DC power supply via the primary winding, and the base is connected to a driving transistor connected to one end of the oscillation circuit capacitor via the feedback winding, and to the secondary winding side. A transmission stop transistor that is turned on when the terminal voltage of the main capacitor reaches a predetermined value and bypasses the base current of the drive transistor, and a feedback winding between the feedback winding and one end of the oscillation circuit capacitor. A charging control circuit characterized by comprising a diode provided in a direction to block current flowing toward the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6052185U JPH0333178Y2 (en) | 1985-04-23 | 1985-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6052185U JPH0333178Y2 (en) | 1985-04-23 | 1985-04-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61176798U true JPS61176798U (en) | 1986-11-04 |
| JPH0333178Y2 JPH0333178Y2 (en) | 1991-07-15 |
Family
ID=30587945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6052185U Expired JPH0333178Y2 (en) | 1985-04-23 | 1985-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333178Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008259405A (en) * | 2007-03-15 | 2008-10-23 | Ricoh Co Ltd | Power supply device and image forming apparatus using the same |
-
1985
- 1985-04-23 JP JP6052185U patent/JPH0333178Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008259405A (en) * | 2007-03-15 | 2008-10-23 | Ricoh Co Ltd | Power supply device and image forming apparatus using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0333178Y2 (en) | 1991-07-15 |