JPH0445980U - - Google Patents
Info
- Publication number
- JPH0445980U JPH0445980U JP8877390U JP8877390U JPH0445980U JP H0445980 U JPH0445980 U JP H0445980U JP 8877390 U JP8877390 U JP 8877390U JP 8877390 U JP8877390 U JP 8877390U JP H0445980 U JPH0445980 U JP H0445980U
- Authority
- JP
- Japan
- Prior art keywords
- switching means
- impedance element
- voltage drop
- load
- detection device
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案の一実施例の断線検出装置の構
成を示す電気回路図、第２図は本考案の他の実施
例を示す電気回路図、第３図は従来の断線検出装
置の基本的な構成を示すブロツク図、第４図は負
荷短絡の一態様を示す断面図である。
３０……バツテリ（電源）、３３……電源ライ
ン、３４……接地ライン、３７……比較器、Ｔｒ
１……電界効果トランジスタ（インピーダンス素
子、スイツチング手段）、Ｑ１〜Ｑ４……トラン
ジスタ、Ｒ１〜Ｒ６……抵抗、Ｉ……負荷電流、
Ｌ……ランプ（負荷）、Ｔｒ２……ＰＮＰトラン
ジスタ（スイツチング手段）、ＰＲ……検出抵抗
（インピーダンス素子）。
Fig. 1 is an electric circuit diagram showing the configuration of a disconnection detection device according to one embodiment of the present invention, Fig. 2 is an electric circuit diagram showing another embodiment of the present invention, and Fig. 3 is the basics of a conventional disconnection detection device. FIG. 4 is a sectional view showing one aspect of load short circuit. 30... Battery (power supply), 33... Power line, 34... Ground line, 37... Comparator, Tr
1... Field effect transistor (impedance element, switching means), Q1 to Q4... Transistor, R1 to R6... Resistor, I... Load current,
L...Lamp (load), Tr2...PNP transistor (switching means), PR...detection resistor (impedance element).
Claims (1)
子での電圧降下を監視することにより上記負荷の
断線を検出するようにした断線検出装置において
、 上記電源と負荷との間の上記インピーダンス素
子を含む線路に直列に接続したスイツチング手段
と、 上記インピーダンス素子での電圧降下が所定値
未満のときには上記スイツチング手段を導通させ
、上記電圧降下が上記所定値以上となつたときに
は上記スイツチング手段を遮断させる制御手段と
を備えたことを特徴とする断線検出装置。[Claims for Utility Model Registration] A disconnection detection device that detects a disconnection in the load by monitoring a voltage drop across an impedance element inserted between the power source and the load. switching means connected in series to a line including the impedance element between the two; and when the voltage drop across the impedance element is less than a predetermined value, the switching means is made conductive, and when the voltage drop exceeds the predetermined value, the switching means A disconnection detection device comprising: a control means for cutting off a switching means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8877390U JPH0628708Y2 (en) | 1990-08-23 | 1990-08-23 | Disconnection detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8877390U JPH0628708Y2 (en) | 1990-08-23 | 1990-08-23 | Disconnection detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0445980U true JPH0445980U (en) | 1992-04-20 |
| JPH0628708Y2 JPH0628708Y2 (en) | 1994-08-03 |
Family
ID=31822288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8877390U Expired - Lifetime JPH0628708Y2 (en) | 1990-08-23 | 1990-08-23 | Disconnection detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0628708Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101887497B1 (en) * | 2016-12-09 | 2018-08-13 | 현대오트론 주식회사 | Apparatus for detecting battery short |
-
1990
- 1990-08-23 JP JP8877390U patent/JPH0628708Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0628708Y2 (en) | 1994-08-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |