JPH0196784U - - Google Patents
Info
- Publication number
- JPH0196784U JPH0196784U JP19211087U JP19211087U JPH0196784U JP H0196784 U JPH0196784 U JP H0196784U JP 19211087 U JP19211087 U JP 19211087U JP 19211087 U JP19211087 U JP 19211087U JP H0196784 U JPH0196784 U JP H0196784U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- high frequency
- circuit
- switching element
- power source
- 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
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
- Rectifiers (AREA)
Description
第１図は本考案による高周波電源回路の一実施
例を示す電気回路ブロツク図、第２図は本考案に
よる雷検知部の電気回路図、第３図は誘雷による
各種波形図、第４図は従来例の高周波電源回路ブ
ロツク図、第５図は従来例の雷検知部及び電流検
知部の電気回路図である。
符号、２：整流ブリツジ、８：スイツチング素
子、９：カレントトランス、１２：制御回路、１
４：雷検知回路。
Fig. 1 is an electric circuit block diagram showing an embodiment of the high frequency power supply circuit according to the present invention, Fig. 2 is an electric circuit diagram of the lightning detection section according to the present invention, Fig. 3 is a diagram of various waveforms due to lightning induction, and Fig. 4 5 is a block diagram of a high frequency power supply circuit of a conventional example, and FIG. 5 is an electric circuit diagram of a lightning detecting section and a current detecting section of a conventional example. Symbol, 2: Rectifier bridge, 8: Switching element, 9: Current transformer, 12: Control circuit, 1
4: Lightning detection circuit.
Claims (1)
平滑回路と、直流電源をスイツチング素子のＯＮ
・ＯＦＦ動作にて高周波電源にするインバータ回
路と、カレントトランスにて検出した上記商用電
源もしくは整流電源の電流値に基づき上記スイツ
チング素子のＯＮ動作時間を制御する制御回路と
からなる高周波電源回路において、 上記カレントトランスの検知電流値が商用電源
ラインヘの誘雷を検知するための所定値以上にな
つたとき上記スイツチング素子のスイツチング動
作を停止させる制御手段を備えたことを特徴とす
る高周波電源回路。[Scope of claim for utility model registration] A rectifying and smoothing circuit that rectifies and smoothes a commercial power source to convert it into a DC power source, and a switching element that turns the DC power source ON.
- In a high frequency power supply circuit consisting of an inverter circuit that generates a high frequency power supply in OFF operation, and a control circuit that controls the ON operation time of the switching element based on the current value of the commercial power supply or rectified power supply detected by a current transformer, A high frequency power supply circuit comprising: a control means for stopping the switching operation of the switching element when a detected current value of the current transformer exceeds a predetermined value for detecting lightning to a commercial power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19211087U JPH0196784U (en) | 1987-12-17 | 1987-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19211087U JPH0196784U (en) | 1987-12-17 | 1987-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0196784U true JPH0196784U (en) | 1989-06-27 |
Family
ID=31482983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19211087U Pending JPH0196784U (en) | 1987-12-17 | 1987-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0196784U (en) |
-
1987
- 1987-12-17 JP JP19211087U patent/JPH0196784U/ja active Pending
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