JPH0480236U - - Google Patents
Info
- Publication number
- JPH0480236U JPH0480236U JP12354890U JP12354890U JPH0480236U JP H0480236 U JPH0480236 U JP H0480236U JP 12354890 U JP12354890 U JP 12354890U JP 12354890 U JP12354890 U JP 12354890U JP H0480236 U JPH0480236 U JP H0480236U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- transformer
- source
- overcurrent protection
- protection 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
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Description
第１図は本考案の過電流保護回路のブロツク回
路図、第２図は過電流保護回路の従来例のブロツ
ク回路図である。
１……商用電源、２……可溶片、３……ライン
フイルタ、４……リレー、５，７，９，１２，１
３，１５，１８，２３，３３，４８，５１，５２
……抵抗、６，１４，３１，４７……ダイオード
、８，１１，２７，３７……トランジスタ、１０
，２６，３８……端子、１６……ツエナダイオー
ド、１７，２４，３２，５０……コンデンサ、１
９……電流検出用のトランス、２２……ブリツジ
整流回路、２５……雑音除去回路、２８……スイ
ツチングトランス、３４……駆動トランス、３９
……水平出力トランジスタ、４０……ダイパダイ
オード、４５……フライバツクトランス４４の１
次巻線、４１……帰線共振コンデンサ、４２……
水平偏向コイル、４３……Ｓ字補正用コンデンサ
、４４……フライバツクトランス。
FIG. 1 is a block circuit diagram of an overcurrent protection circuit according to the present invention, and FIG. 2 is a block circuit diagram of a conventional overcurrent protection circuit. 1... Commercial power supply, 2... Fusible piece, 3... Line filter, 4... Relay, 5, 7, 9, 12, 1
3, 15, 18, 23, 33, 48, 51, 52
...Resistance, 6,14,31,47...Diode, 8,11,27,37...Transistor, 10
, 26, 38... terminal, 16... Zener diode, 17, 24, 32, 50... capacitor, 1
9... Current detection transformer, 22... Bridge rectifier circuit, 25... Noise removal circuit, 28... Switching transformer, 34... Drive transformer, 39
...Horizontal output transistor, 40...Diper diode, 45...Flyback transformer 44-1
Next winding, 41... Return line resonance capacitor, 42...
Horizontal deflection coil, 43...S-shaped correction capacitor, 44...flyback transformer.
Claims (1)
路との間の電流供給路中に１次巻線が接続されて
いるトランスと、前記したトランスの２次巻線に
生じた電圧の検出手段と、前記した電圧の検出手
段で検出された電圧が予め定められた電圧値以上
に達した際に、前記した整流の対象にされている
電圧の発生源に対する電力の供給が遮断されるよ
うにする手段とを備えてなる過電流保護回路。 A transformer whose primary winding is connected in the current supply path between the power source to be rectified and the rectifier circuit, and means for detecting the voltage generated in the secondary winding of the transformer. and when the voltage detected by the voltage detection means reaches a predetermined voltage value or more, the power supply to the source of the voltage targeted for rectification is cut off. An overcurrent protection circuit comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12354890U JPH0480236U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12354890U JPH0480236U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480236U true JPH0480236U (en) | 1992-07-13 |
Family
ID=31871244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12354890U Pending JPH0480236U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480236U (en) |
-
1990
- 1990-11-27 JP JP12354890U patent/JPH0480236U/ja active Pending
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