JPS58103537U - dc meter - Google Patents
dc meterInfo
- Publication number
- JPS58103537U JPS58103537U JP19727681U JP19727681U JPS58103537U JP S58103537 U JPS58103537 U JP S58103537U JP 19727681 U JP19727681 U JP 19727681U JP 19727681 U JP19727681 U JP 19727681U JP S58103537 U JPS58103537 U JP S58103537U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- fuse
- voltage
- meter
- power
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の直流計器の電源入力側の回路構成を示す
図であり、第２図はこの考案の実施例である直流計器の
電源入力側の回路構成を示す図である。FIG. 1 is a diagram showing a circuit configuration on the power input side of a conventional DC meter, and FIG. 2 is a diagram showing a circuit configuration on the power input side of a DC meter according to an embodiment of this invention.
Claims (1)
のヒユーズに順方向に接続されたダイオードを介して行
うようにし。た直流計器において、供給電力の正常電圧
より弱冠高い降伏電圧の定電圧ダイオードを前記ダイオ
ードと共通ラインとの間に接続し、過大電圧印加時に上
記ヒユーズ、ダイオード、定電圧ダイオードの短絡ルー
プによりヒユーズを溶断するようにしたことを特徴とす
る直流計器。 ２ 定電圧ダイオードを３６Ｖの降伏電圧を有するツェ
ナーダイオードにした実用新案登録請求の範囲第１項記
載の直流計器。[Claims for Utility Model Registration] 1. Power is supplied from an external DC power source via a fuse and a diode connected to the fuse in the forward direction. In a DC meter, a regulated voltage diode with a breakdown voltage slightly higher than the normal voltage of the supplied power is connected between the diode and the common line, and when an excessive voltage is applied, the fuse is disconnected by a short-circuit loop of the fuse, diode, and regulated voltage diode. A DC meter characterized by being designed to fuse. 2. The DC meter according to claim 1, in which the constant voltage diode is a Zener diode having a breakdown voltage of 36V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19727681U JPS58103537U (en) | 1981-12-29 | 1981-12-29 | dc meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19727681U JPS58103537U (en) | 1981-12-29 | 1981-12-29 | dc meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58103537U true JPS58103537U (en) | 1983-07-14 |
Family
ID=30110488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19727681U Pending JPS58103537U (en) | 1981-12-29 | 1981-12-29 | dc meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58103537U (en) |
-
1981
- 1981-12-29 JP JP19727681U patent/JPS58103537U/en active Pending
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