JPH0439140U - - Google Patents
Info
- Publication number
- JPH0439140U JPH0439140U JP8147390U JP8147390U JPH0439140U JP H0439140 U JPH0439140 U JP H0439140U JP 8147390 U JP8147390 U JP 8147390U JP 8147390 U JP8147390 U JP 8147390U JP H0439140 U JPH0439140 U JP H0439140U
- Authority
- JP
- Japan
- Prior art keywords
- stop lamp
- relay
- circuit
- detection circuit
- comparison
- 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
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Description
第１図は本考案実施例ブロツク構成図。第２図
は比較記憶回路の構成例を示す回路図。第３図は
比較記憶回路の別の構成例を示すブロツク構成図
。
１……ブレーキスイツチ、２……リレー、３…
…そのリレーのメーク接点、４……ストツプラン
プ、５……ストツプランプの電流検出用抵抗器、
６……バツフア回路、７……比較手段（本考案で
は比較記憶回路となる）、８……運転席に設置さ
れた警報ランプ、１０……基準電圧発生回路、１
１〜１５……抵抗器、１６……ゼナーダイオード
、１７……選択回路、２１……比較回路、３１…
…アナログ・デイジタル変換回路、３２……デイ
ジタル比較回路、３３……デイジタルスイツチ。
FIG. 1 is a block diagram of an embodiment of the present invention. FIG. 2 is a circuit diagram showing an example of the configuration of a comparison storage circuit. FIG. 3 is a block configuration diagram showing another example of the configuration of the comparison storage circuit. 1...brake switch, 2...relay, 3...
...Make contact of the relay, 4...Stotsu lamp, 5...Stotsu lamp current detection resistor,
6...Buffer circuit, 7...Comparison means (in the present invention, it becomes a comparison memory circuit), 8...Warning lamp installed in the driver's seat, 10...Reference voltage generation circuit, 1
1 to 15... Resistor, 16... Zener diode, 17... Selection circuit, 21... Comparison circuit, 31...
...Analog-digital conversion circuit, 32...Digital comparison circuit, 33...Digital switch.
Claims (1)
レーと、 このリレーのメーク接点と直列に接続されたス
トツプランプと、 前記メーク接点と直列に接続された値の小さい
検出用の抵抗器と、 この抵抗器の両端電圧が基準電圧を下回るとき
に警報出力を発生する比較手段と を備えたストツプランプの断線検出回路において
、 前記比較手段は、感応限界値を可変に設定する
手段および設定された感応限界値を記憶する手段
を含む比較記憶回路であることを特徴とするスト
ツプランプの断線検出回路。[Scope of Claim for Utility Model Registration] A relay that is energized when the brake pedal is depressed, a stop lamp connected in series with the make contact of this relay, and a small value detection device connected in series with the make contact of the relay. In the stop lamp disconnection detection circuit, the stop lamp disconnection detection circuit is equipped with a resistor for the purpose of the present invention, and a comparison means that generates an alarm output when the voltage across the resistor is lower than a reference voltage, wherein the comparison means variably sets a sensitive limit value. 1. A disconnection detection circuit for a stop lamp, characterized in that the circuit is a comparison storage circuit including means and means for storing a set sensitivity limit value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8147390U JPH0439140U (en) | 1990-07-31 | 1990-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8147390U JPH0439140U (en) | 1990-07-31 | 1990-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0439140U true JPH0439140U (en) | 1992-04-02 |
Family
ID=31627449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8147390U Pending JPH0439140U (en) | 1990-07-31 | 1990-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439140U (en) |
-
1990
- 1990-07-31 JP JP8147390U patent/JPH0439140U/ja active Pending
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