JPS5988971U - Television receiver power supply - Google Patents
Television receiver power supplyInfo
- Publication number
- JPS5988971U JPS5988971U JP18478782U JP18478782U JPS5988971U JP S5988971 U JPS5988971 U JP S5988971U JP 18478782 U JP18478782 U JP 18478782U JP 18478782 U JP18478782 U JP 18478782U JP S5988971 U JPS5988971 U JP S5988971U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- output
- power supply
- television receiver
- switching transistor
- 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
Landscapes
- Dc-Dc Converters (AREA)
- Details Of Television Scanning (AREA)
- Coils Or Transformers For Communication (AREA)
- Continuous-Control Power Sources That Use Transistors (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
第１図は従来のテレビジョン受像機の電源回路を示す回
路図、第２図は第１図の動作波形図、第３図は本考案の
一実施例にかかる回路の回路図、第４図は一体化による
トランスの構造を示す断面図、第５図ａ乃至Ｃは本考案
により設定しようとする巻数比が不用意に選定された場
合の動作波形を示す波形図、第５図ｄは本考案によるコ
ンバータ２次巻線電流波形を示す波形図、第６図は走査
期間の等価回路を示す同図である。
４・・・・・・コンバータトランスの１次巻線、６・・
・・・・出力スイッチングトランジスタ、７・・・・・
・コンバータトランスの２次巻線、８・・・・・・ダイ
オード、９・・・・・・コンデンサ、１１・・・・・・
フライバックトランスの１次巻線、１２・・・・・・水
平出力トランジスタ、１６・・・・・・フライバックト
ランスの２次巻線、１７・・・・・・検出巻線。Figure 1 is a circuit diagram showing the power supply circuit of a conventional television receiver, Figure 2 is an operating waveform diagram of Figure 1, Figure 3 is a circuit diagram of a circuit according to an embodiment of the present invention, and Figure 4. 5 is a sectional view showing the structure of an integrated transformer, FIGS. 5a to 5C are waveform diagrams showing operating waveforms when the turns ratio to be set according to the present invention is carelessly selected, and FIG. FIG. 6 is a waveform diagram showing a converter secondary winding current waveform according to the invention, and FIG. 6 is the same diagram showing an equivalent circuit during a scanning period. 4...Primary winding of converter transformer, 6...
...Output switching transistor, 7...
・Secondary winding of converter transformer, 8...Diode, 9...Capacitor, 11...
Primary winding of flyback transformer, 12...Horizontal output transistor, 16...Secondary winding of flyback transformer, 17...Detection winding.
Claims (1)
トランスの１次巻線を介して出力スイッチングトランジ
スタの出力電極に加え、前記出力スイッチングトランジ
スタのスイッチングに応じて前記コンバータトランスの
２次巻線に誘起する出力直流電圧をフライバックトラン
スの１次巻線を介して水平出力トランジスタに印加し、
前記フライバックトランスの１次編線電流の変動を前記
コンバータトランスの検出巻線によって検出して前記出
力スイッチングトランジスタのオン・オフ時間を制御し
て前記出力直流電圧を安定供給するようにしたテレビジ
ョン受像機の電源装置において、 前記コンバータトランスとフライバックトランスとを１
つのコアに巻装し、各トランスの結合係数を０．８以下
に設定すると共に、前記コンバータトランスの２次巻線
と前記フライバックトランスの１次巻線との巻数比を１
対０． ８以下に設定するようにしたことを特徴とする
テレビジョン受像 機の電源装置。[Claims for Utility Model Registration] The input DC vehicle pressure obtained by rectifying and smoothing the AC power supply voltage is applied to the output electrode of the output switching transistor via the primary winding of the converter transformer, and the input DC voltage is applied to the output electrode of the output switching transistor according to the switching of the output switching transistor. Applying the output DC voltage induced in the secondary winding of the transformer to the horizontal output transistor via the primary winding of the flyback transformer,
A television in which fluctuations in the primary wire current of the flyback transformer are detected by a detection winding of the converter transformer and the on/off time of the output switching transistor is controlled to stably supply the output DC voltage. In the power supply device of the television receiver, the converter transformer and the flyback transformer are combined into one
The coupling coefficient of each transformer is set to 0.8 or less, and the turns ratio between the secondary winding of the converter transformer and the primary winding of the flyback transformer is set to 1.
vs. 0. A power supply device for a television receiver, characterized in that the power supply is set to 8 or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18478782U JPS5988971U (en) | 1982-12-08 | 1982-12-08 | Television receiver power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18478782U JPS5988971U (en) | 1982-12-08 | 1982-12-08 | Television receiver power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5988971U true JPS5988971U (en) | 1984-06-16 |
| JPH0411406Y2 JPH0411406Y2 (en) | 1992-03-23 |
Family
ID=30399569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18478782U Granted JPS5988971U (en) | 1982-12-08 | 1982-12-08 | Television receiver power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5988971U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312221A (en) * | 1976-07-20 | 1978-02-03 | Matsushita Electric Ind Co Ltd | Horizontal deflection unit |
-
1982
- 1982-12-08 JP JP18478782U patent/JPS5988971U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312221A (en) * | 1976-07-20 | 1978-02-03 | Matsushita Electric Ind Co Ltd | Horizontal deflection unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0411406Y2 (en) | 1992-03-23 |
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