JPS62149288U - - Google Patents
Info
- Publication number
- JPS62149288U JPS62149288U JP3508586U JP3508586U JPS62149288U JP S62149288 U JPS62149288 U JP S62149288U JP 3508586 U JP3508586 U JP 3508586U JP 3508586 U JP3508586 U JP 3508586U JP S62149288 U JPS62149288 U JP S62149288U
- Authority
- JP
- Japan
- Prior art keywords
- fuse
- detection section
- voltage
- inverter circuit
- photocoupler
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- -1 ZD1 ...Tsena diode Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Fuses (AREA)
Description
第１図は本考案に係るインバータ回路のヒユー
ズ溶断検出装置の一実施例を示す回路図、第２図
は従来例を示す回路図、第３図は従来例における
表示ヒユーズの正面図、第４図は同表示ヒユーズ
の取付状態を示す正面図である。
Ｑ……トランジスタ、ＥＦ１……ヒユーズ、Ｒ
１〜Ｒ３……抵抗、Ｃ１……コンデンサ、ＺＤ１
……ツエナダイオード、ＰＣ……ホトカプラ。
Fig. 1 is a circuit diagram showing an embodiment of a fuse blowout detection device for an inverter circuit according to the present invention, Fig. 2 is a circuit diagram showing a conventional example, Fig. 3 is a front view of an indicator fuse in the conventional example, and Fig. 4 The figure is a front view showing the installation state of the display fuse. Q...Transistor, EF 1 ...Fuse, R
1 to R3 ...Resistance, C1 ...Capacitor, ZD1
...Tsena diode, PC...photocoupler.
Claims (1)
ータ回路において、スイツチング素子の故障によ
つて前記ヒユーズが溶断した時にヒユーズ端子間
に生じる電圧を検出する電圧検出部と、この検出
部の検出電圧で駆動されるホトカプラとを備えて
なることを特徴とするインバータ回路のヒユーズ
溶断検出装置。 An inverter circuit that has a protective fuse on the DC input side includes a voltage detection section that detects the voltage generated between the fuse terminals when the fuse blows due to a failure in a switching element, and a voltage detection section that is driven by the detected voltage of this detection section. What is claimed is: 1. A fuse blowout detection device for an inverter circuit, comprising: a photocoupler;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3508586U JPS62149288U (en) | 1986-03-11 | 1986-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3508586U JPS62149288U (en) | 1986-03-11 | 1986-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62149288U true JPS62149288U (en) | 1987-09-21 |
Family
ID=30844250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3508586U Pending JPS62149288U (en) | 1986-03-11 | 1986-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62149288U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01127157U (en) * | 1988-02-24 | 1989-08-30 | ||
| JPH0530634A (en) * | 1991-07-16 | 1993-02-05 | Mitsubishi Electric Corp | Fuse blow-out detector and inverter unit provided therewith |
-
1986
- 1986-03-11 JP JP3508586U patent/JPS62149288U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01127157U (en) * | 1988-02-24 | 1989-08-30 | ||
| JPH0530634A (en) * | 1991-07-16 | 1993-02-05 | Mitsubishi Electric Corp | Fuse blow-out detector and inverter unit provided therewith |
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