JPS6338076U - - Google Patents
Info
- Publication number
- JPS6338076U JPS6338076U JP13177386U JP13177386U JPS6338076U JP S6338076 U JPS6338076 U JP S6338076U JP 13177386 U JP13177386 U JP 13177386U JP 13177386 U JP13177386 U JP 13177386U JP S6338076 U JPS6338076 U JP S6338076U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- voltage
- reference voltage
- terminal
- circuit
- 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
- 230000005856 abnormality Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本発明の実施例の概要を示すブロツク
図、第２図はその具体的回路例を示す回路図、第
３図は使用状態を示す外観図である。
１……第１基準電圧発生回路、２……第１判別
器、３……第１表示器、４……第２基準電圧発生
回路、５……第２判別器、６……第２表示器、７
……分圧回路、Ｃ１……第１コンデンサ、Ｃ２…
…第２コンデンサ、Ａ１……第１比較器、Ａ２…
…第２比較器、Ｈ１……第１ホールド回路、Ｈ２
……第２ホールド回路、ＬＥＤ１……縁色発光素
子、ＬＥＤ２……赤色発光素子、Ｔ１，Ｔ２……
入力端子。
FIG. 1 is a block diagram showing an outline of an embodiment of the present invention, FIG. 2 is a circuit diagram showing a specific example of the circuit, and FIG. 3 is an external view showing the state of use. DESCRIPTION OF SYMBOLS 1...First reference voltage generation circuit, 2...First discriminator, 3...First display, 4...Second reference voltage generation circuit, 5...Second discriminator, 6...Second display vessel, 7
... Voltage divider circuit, C 1 ... First capacitor, C 2 ...
...Second capacitor, A 1 ...First comparator, A 2 ...
...Second comparator, H 1 ...First hold circuit, H 2
... Second hold circuit, LED 1 ... Edge color light emitting element, LED 2 ... Red light emitting element, T 1 , T 2 ...
Input terminal.
Claims (1)
子電圧を電源とし、かつ、この端子の車輌電装品
作動時の電圧変化を検出してその電装品の作動の
良否を判断する装置において、 前記電装品の非動作時における端子電圧に対応
する電圧よりもわずかに低い第１の基準電圧信号
を作成する第１の基準電圧発生回路と、前記端子
電圧の検出信号が前記第１の基準電圧信号以下に
下降したとき動作正常信号を出力する第１の判別
回路と、前記動作正常信号を受けてその旨を表示
する第１の表示回路と、 前記第１の基準電圧信号よりもきわめて低い第
２の基準電圧信号を作成する第２の基準電圧発生
回路と、前記端子電圧の検出信号が前記第２の基
準電圧信号以下に下降したとき異常信号を出力す
る第２の判別回路と、前記異常信号を受けてその
旨を表示する第２の表示回路と、 を備えたことを特徴とする車両電装品の動作検査
装置。[Claims for Utility Model Registration] In a device that uses any terminal voltage of a battery or wiring harness as a power source and detects voltage changes at this terminal when a vehicle electrical component operates to determine whether the electrical component is operating properly. , a first reference voltage generation circuit that generates a first reference voltage signal that is slightly lower than a voltage corresponding to a terminal voltage when the electrical component is not in operation; a first discrimination circuit that outputs a normal operation signal when the voltage falls below the voltage signal; a first display circuit that receives the normal operation signal and displays that; and a voltage that is extremely lower than the first reference voltage signal. a second reference voltage generation circuit that generates a second reference voltage signal; a second discrimination circuit that outputs an abnormality signal when the terminal voltage detection signal falls below the second reference voltage signal; An operation inspection device for vehicle electrical components, comprising: a second display circuit that receives an abnormality signal and displays that fact;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986131773U JPH0448540Y2 (en) | 1986-08-28 | 1986-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986131773U JPH0448540Y2 (en) | 1986-08-28 | 1986-08-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6338076U true JPS6338076U (en) | 1988-03-11 |
| JPH0448540Y2 JPH0448540Y2 (en) | 1992-11-16 |
Family
ID=31030535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986131773U Expired JPH0448540Y2 (en) | 1986-08-28 | 1986-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448540Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015055598A (en) * | 2013-09-13 | 2015-03-23 | アルプス電気株式会社 | Voltage detector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5072156A (en) * | 1973-10-31 | 1975-06-14 | ||
| JPS61134685A (en) * | 1984-12-05 | 1986-06-21 | Seiko Instr & Electronics Ltd | Battery life detecting circuit |
| JPS61108975U (en) * | 1984-12-19 | 1986-07-10 |
-
1986
- 1986-08-28 JP JP1986131773U patent/JPH0448540Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5072156A (en) * | 1973-10-31 | 1975-06-14 | ||
| JPS61134685A (en) * | 1984-12-05 | 1986-06-21 | Seiko Instr & Electronics Ltd | Battery life detecting circuit |
| JPS61108975U (en) * | 1984-12-19 | 1986-07-10 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015055598A (en) * | 2013-09-13 | 2015-03-23 | アルプス電気株式会社 | Voltage detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0448540Y2 (en) | 1992-11-16 |
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