JPH01171535U - - Google Patents
Info
- Publication number
- JPH01171535U JPH01171535U JP6466188U JP6466188U JPH01171535U JP H01171535 U JPH01171535 U JP H01171535U JP 6466188 U JP6466188 U JP 6466188U JP 6466188 U JP6466188 U JP 6466188U JP H01171535 U JPH01171535 U JP H01171535U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power
- abnormality
- output
- output transformer
- 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
- 230000005856 abnormality Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Description
第１図は本考案の電源装置の異常検出回路を示
す電気回路図、第２図ａ〜ｅは本考案の電源装置
の異常検出回路の動作を示すタイムチヤート、第
３図は従来の電源装置の異常検出回路の電気回路
図、第４図ａ〜ｆは従来の異常検出回路の動作を
示すタイムチヤートである。
１０１……商用電源、１０４……安定化回路、
１０６……ＰＷＭ制御回路、１０７……インバー
タトランス、１１０……異常検出回路、１１０ｂ
……フオトカプラのトランジスタ。
Fig. 1 is an electric circuit diagram showing the abnormality detection circuit of the power supply device of the present invention, Figs. 2 a to e are time charts showing the operation of the abnormality detection circuit of the power supply device of the present invention, and Fig. 3 is a conventional power supply device. 4A to 4F are time charts showing the operation of the conventional abnormality detection circuit. 101... commercial power supply, 104... stabilization circuit,
106... PWM control circuit, 107... Inverter transformer, 110... Abnormality detection circuit, 110b
...Photocoupler transistor.
Claims (1)
電圧・電流を検出する検出回路を設け、異常を検
出したなら上記出力トランスの１次側制御回路に
信号を送り、スイツチング素子へのＰＷＭ信号の
送出を停止することにより動作を停止させ又、電
源投入直後の出力電圧・電流が立上り時にはタイ
ムラグを設けて停止回路を動作させないことによ
り電力の出力を確保するようにした電源装置の異
常停止回路において、 上記出力トランスの１次側からタイムラグ形成
回路に電源を供給するようにしたことを特徴とす
る電源装置の異常検出回路。[Claim for Utility Model Registration] A detection circuit for detecting abnormal voltage and current is provided in the load connected to the secondary side of the output transformer, and when an abnormality is detected, a signal is sent to the primary side control circuit of the output transformer. , the operation is stopped by stopping the sending of the PWM signal to the switching element, and when the output voltage and current rise immediately after the power is turned on, a time lag is provided and the stop circuit is not operated to ensure power output. An abnormality detection circuit for a power supply apparatus, characterized in that, in the abnormality stop circuit for a power supply apparatus, power is supplied from the primary side of the output transformer to the time lag forming circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6466188U JPH01171535U (en) | 1988-05-17 | 1988-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6466188U JPH01171535U (en) | 1988-05-17 | 1988-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171535U true JPH01171535U (en) | 1989-12-05 |
Family
ID=31290125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6466188U Pending JPH01171535U (en) | 1988-05-17 | 1988-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03262001A (en) * | 1990-03-12 | 1991-11-21 | Mitsubishi Electric Corp | Controller for vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6176018A (en) * | 1984-09-20 | 1986-04-18 | 株式会社明電舎 | Switching system direct current power supply |
| JPS6244638B2 (en) * | 1979-10-30 | 1987-09-21 | Toshiba Kk |
-
1988
- 1988-05-17 JP JP6466188U patent/JPH01171535U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6244638B2 (en) * | 1979-10-30 | 1987-09-21 | Toshiba Kk | |
| JPS6176018A (en) * | 1984-09-20 | 1986-04-18 | 株式会社明電舎 | Switching system direct current power supply |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03262001A (en) * | 1990-03-12 | 1991-11-21 | Mitsubishi Electric Corp | Controller for vehicle |