JPS62185429U - - Google Patents
Info
- Publication number
- JPS62185429U JPS62185429U JP7357086U JP7357086U JPS62185429U JP S62185429 U JPS62185429 U JP S62185429U JP 7357086 U JP7357086 U JP 7357086U JP 7357086 U JP7357086 U JP 7357086U JP S62185429 U JPS62185429 U JP S62185429U
- Authority
- JP
- Japan
- Prior art keywords
- external
- circuit
- power supply
- connection terminals
- diode
- 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
- 230000002265 prevention Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Direct Current Feeding And Distribution (AREA)
Description
第１図は本考案の実施例における逆電圧防止回
路図。第２図は従来の電子機器装置の電源接続図
。第３図はシヨツトキーダイオードの電圧、電流
特性図。
１……過電流防止用ヒユーズ、２……ダイオー
ド、３……電子機器装置本体。
FIG. 1 is a reverse voltage prevention circuit diagram in an embodiment of the present invention. FIG. 2 is a power supply connection diagram of a conventional electronic device. Figure 3 shows the voltage and current characteristics of a Schottky diode. 1... Fuse for overcurrent prevention, 2... Diode, 3... Electronic device main body.
Claims (1)
の外部直流電源接続端子４，５と直列に過電流防
止用ヒユーズ１を挿入し、前記外部直流電源接続
端子４，５と過電流防止用ヒユーズ１の直列回路
と並列に前記外部直流電源接続端子４，５の正電
極に接続される回路にカソード、前記外部直流電
源接続端子４，５の負電極に接続される回路にア
ノードがそれぞれ接続されるようダイオード２を
接続し、前記ダイオード２は順方向のスレシユホ
ールド電圧付近の電圧に於いて、前記過電流防止
用ヒユーズ１を切断するのに十分な電流が流れる
よう構成された逆電圧防止回路に於いて、前記ダ
イオード２をシヨツトキーダイオードで構成され
たことを特徴とする逆電圧防止回路。 An overcurrent prevention fuse 1 is inserted in series with the external DC power supply connection terminals 4 and 5 of an electronic device whose power supply source is an external DC power supply, and the overcurrent prevention fuse 1 is connected to the external DC power supply connection terminals 4 and 5. A cathode is connected to a circuit connected to the positive electrodes of the external DC power connection terminals 4 and 5 in parallel with the series circuit, and an anode is connected to a circuit connected to the negative electrodes of the external DC power connection terminals 4 and 5, respectively. A reverse voltage prevention circuit is configured such that a diode 2 is connected to the reverse voltage prevention circuit so that sufficient current flows through the diode 2 to cut off the overcurrent prevention fuse 1 at a voltage near the threshold voltage in the forward direction. A reverse voltage prevention circuit characterized in that the diode 2 is a Schottky diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7357086U JPS62185429U (en) | 1986-05-16 | 1986-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7357086U JPS62185429U (en) | 1986-05-16 | 1986-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62185429U true JPS62185429U (en) | 1987-11-25 |
Family
ID=30918024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7357086U Pending JPS62185429U (en) | 1986-05-16 | 1986-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62185429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011083074A (en) * | 2009-10-05 | 2011-04-21 | Panasonic Electric Works Co Ltd | Direct-current device protector, power supply equipped therewith, direct-current device, and power distribution system for hybrid power supply houses |
-
1986
- 1986-05-16 JP JP7357086U patent/JPS62185429U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011083074A (en) * | 2009-10-05 | 2011-04-21 | Panasonic Electric Works Co Ltd | Direct-current device protector, power supply equipped therewith, direct-current device, and power distribution system for hybrid power supply houses |
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