JPH0334635U - - Google Patents
Info
- Publication number
- JPH0334635U JPH0334635U JP8797989U JP8797989U JPH0334635U JP H0334635 U JPH0334635 U JP H0334635U JP 8797989 U JP8797989 U JP 8797989U JP 8797989 U JP8797989 U JP 8797989U JP H0334635 U JPH0334635 U JP H0334635U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- protection mechanism
- circuit
- photocoupler
- supply device
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 229910052754 neon Inorganic materials 0.000 claims 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 230000006698 induction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Description
第１図は、本考案に用いる回路を示す回路図で
ある。
１……保護回路、１１……カツプリングトラン
スフオーマ、１１１……スイツチ、１２……電流
制限抵抗器、１３……トランジスタ、１４……リ
セツトスイツチ、１５，１８……インバーター、
１６……フオトカプラ、１７……ＴＲＩＡＣ、１
９……指示灯、２……変換回路、２１……ダブリ
ング回路、２２……ＤＩＡＣ、２３，２４……ト
ランジスタ、２５，２７……パルストランスフオ
ーマ、２５１，２５２，２５３……巻線、２６…
…端子、３１……ツエナーダイオード、３２……
ＳＣＲ、３３……整流回路。
FIG. 1 is a circuit diagram showing a circuit used in the present invention. 1... Protection circuit, 11... Coupling transformer, 111... Switch, 12... Current limiting resistor, 13... Transistor, 14... Reset switch, 15, 18... Inverter,
16...Photocoupler, 17...TRIAC, 1
9... Indicator light, 2... Conversion circuit, 21... Doubling circuit, 22... DIAC, 23, 24... Transistor, 25, 27... Pulse transformer, 251, 252, 253... Winding wire, 26 …
...Terminal, 31... Zener diode, 32...
SCR, 33... Rectifier circuit.
Claims (1)
オン管灯に供給する電力供給器において、過電流
と断路が生じた際の保護手段とする、変換回路と
外部電源との間に介設・接続された保護回路を有
し、該保護回路は、過電流保護機構と断路保護機
構とから構成され；上記過電流保護機構には、変
換回路に接続され、かつ誘導巻線ヘフイドバツク
するカツプリングトランスフオーマが設けられ、
該カツプリングトランスフオーマの副巻線は、整
流回路、ツエナーダイオード及びＳＣＲと接続さ
れており、該ＳＣＲは、フオトカプラの入力側に
接続されており、また、上記フオトカプラの出力
側は、電源回路に接続されたＴＲＩＡＣに接続さ
れており；上記断路保護機構は、検出素子とする
、電源に接続された電流制限抵抗器を有し、該抵
抗器は、トランジスタに接続されており、このト
ランジスタのコレクタは、インバーターを介して
上記フオトカプラの入力側と接続されていること
を特徴とするネオン管灯の電力供給器。 In a power supply device that supplies the required power to a neon tube light by activating a conversion circuit, it is installed and connected between the conversion circuit and an external power source as a protection measure in the event of an overcurrent or disconnection. The protection circuit includes an overcurrent protection mechanism and a disconnection protection mechanism; the overcurrent protection mechanism includes a coupling transformer connected to the conversion circuit and feedback to the induction winding. established,
The subwinding of the coupling transformer is connected to a rectifier circuit, a Zener diode, and an SCR, and the SCR is connected to the input side of a photocoupler, and the output side of the photocoupler is connected to a power supply circuit. connected to the connected TRIAC; the disconnect protection mechanism has a current limiting resistor as a sensing element connected to the power supply; the resistor is connected to a transistor, and the collector of the transistor A power supply device for a neon tube light, characterized in that the power supply device is connected to the input side of the photocoupler described above via an inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8797989U JPH0334635U (en) | 1989-07-26 | 1989-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8797989U JPH0334635U (en) | 1989-07-26 | 1989-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0334635U true JPH0334635U (en) | 1991-04-04 |
Family
ID=31637617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8797989U Pending JPH0334635U (en) | 1989-07-26 | 1989-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0334635U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59148574A (en) * | 1983-02-15 | 1984-08-25 | Matsushita Electric Works Ltd | Power source device |
-
1989
- 1989-07-26 JP JP8797989U patent/JPH0334635U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59148574A (en) * | 1983-02-15 | 1984-08-25 | Matsushita Electric Works Ltd | Power source device |