JPS61154067U - - Google Patents
Info
- Publication number
- JPS61154067U JPS61154067U JP3840885U JP3840885U JPS61154067U JP S61154067 U JPS61154067 U JP S61154067U JP 3840885 U JP3840885 U JP 3840885U JP 3840885 U JP3840885 U JP 3840885U JP S61154067 U JPS61154067 U JP S61154067U
- Authority
- JP
- Japan
- Prior art keywords
- high voltage
- voltage
- winding
- rectifier circuit
- circuit
- 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
Links
- 238000004804 winding Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案の高圧検出回路の一実施例を示
す図、第２図は本考案の他の実施例を示す図、第
３図及び第４図はそれぞれ第２図の要部の他の構
成例を示す図である。第５図はテレビジヨン受像
機の水平偏向回路及び高電圧発生回路を示す図、
第６図は高圧パルスの波形図、第７図は映像機器
の要部回路ブロツク図、第８図は従来の高圧検出
回路を示す図、第９図及び第１０図は高圧検出回
路の検出電圧の他の利用方法を説明するための図
である。
Ｆ１……フライバツクトランス、ｎ１……一次
巻線、ｎ２……二次巻線、ｎ３……三次巻線、７
……過電圧保護回路、８……ブラウン管、１１…
…高圧整流回路。
FIG. 1 is a diagram showing one embodiment of the high voltage detection circuit of the present invention, FIG. 2 is a diagram showing another embodiment of the present invention, and FIGS. 3 and 4 are the main parts of FIG. It is a figure showing an example of composition. Figure 5 is a diagram showing the horizontal deflection circuit and high voltage generation circuit of a television receiver;
Figure 6 is a waveform diagram of high-voltage pulses, Figure 7 is a circuit block diagram of the main parts of video equipment, Figure 8 is a diagram showing a conventional high-voltage detection circuit, and Figures 9 and 10 are detection voltages of the high-voltage detection circuit. It is a figure for explaining another usage method. F 1 ... flyback transformer, n 1 ... primary winding, n 2 ... secondary winding, n 3 ... tertiary winding, 7
...Overvoltage protection circuit, 8...Cathode ray tube, 11...
...High voltage rectifier circuit.
Claims (1)
び少なくとも一つの三次巻線を設け、前記二次巻
線に生じる高圧パルスを多倍圧整流回路からなる
高圧整流回路で整流して得られる直流高電圧をブ
ラウン管のアノード電極に印加するようにした高
圧発生回路において、前記三次巻線に得られるパ
ルス電圧を前記高圧整流回路と同一の整流方式か
らなる整流手段によつて整流して得た検出電圧に
基づいて前記直流高電圧の異常を検出するように
したことを特徴とする高圧検出回路。 A flyback transformer is provided with a primary winding, a secondary winding, and at least one tertiary winding, and the high voltage pulse generated in the secondary winding is rectified by a high voltage rectifier circuit consisting of a multiplier rectifier circuit. In a high voltage generation circuit configured to apply voltage to an anode electrode of a cathode ray tube, a detection voltage obtained by rectifying the pulse voltage obtained at the tertiary winding by a rectifier having the same rectification method as the high voltage rectifier circuit. A high voltage detection circuit characterized in that an abnormality in the DC high voltage is detected based on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3840885U JPS61154067U (en) | 1985-03-18 | 1985-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3840885U JPS61154067U (en) | 1985-03-18 | 1985-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61154067U true JPS61154067U (en) | 1986-09-24 |
Family
ID=30545388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3840885U Pending JPS61154067U (en) | 1985-03-18 | 1985-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61154067U (en) |
-
1985
- 1985-03-18 JP JP3840885U patent/JPS61154067U/ja active Pending
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