JPH0330815U - - Google Patents
Info
- Publication number
- JPH0330815U JPH0330815U JP9062289U JP9062289U JPH0330815U JP H0330815 U JPH0330815 U JP H0330815U JP 9062289 U JP9062289 U JP 9062289U JP 9062289 U JP9062289 U JP 9062289U JP H0330815 U JPH0330815 U JP H0330815U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- terminal
- variable resistance
- abnormality
- variable resistor
- 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 14
- 230000005856 abnormality Effects 0.000 claims 7
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
Description
第１図は本考案の第１実施例を示す図、第２図
は本考案の第２実施例を示す図、第３図は従来の
可変抵抗型位置検出装置のポテンシヨメータの構
成を示す図、第４図ａ，ｂは従来の可変抵抗型位
置検出装置においてレアシヨート及びレアオープ
ンが生じたときの状態を示す図である。
１……スロツトル弁開度センサ（可変抵抗型位
置検出装置）、２……抵抗体、３……摺動端子、
６……ボルテージレギユレータ、８……Ａ／Ｄコ
ンバータ、９……ＣＰＵ、１０……固定端子、１
１……連動端子。
Fig. 1 shows a first embodiment of the present invention, Fig. 2 shows a second embodiment of the invention, and Fig. 3 shows the configuration of a potentiometer of a conventional variable resistance type position detection device. 4A and 4B are diagrams showing the state when rare short and rare open occur in a conventional variable resistance type position detection device. 1...Throttle valve opening sensor (variable resistance type position detection device), 2...Resistor, 3...Sliding terminal,
6... Voltage regulator, 8... A/D converter, 9... CPU, 10... Fixed terminal, 1
1...Interlocking terminal.
Claims (1)
応じた電圧信号を出力する可変抵抗型検出装置の
異常検出装置において、前記可変抵抗器に電流を
流すための定電圧電源装置と、前記可変抵抗器の
任意の位置に設けられた中間固定端子と、該中間
固定端子の出力電圧が変動した時に前記可変抵抗
型位置検出装置に異常があつたことを判定する手
段とを備えることを特徴とする可変抵抗型位置検
出装置の異常検出装置。 ２ 可変抵抗器に電流を流し、摺動端子の位置に
応じた電圧信号を出力する可変抵抗型位置検出装
置の異常検出装置において、前記可変抵抗器に電
流を流すための定電圧電源装置と、前記摺動端子
と連動し、該摺動端子との電位差が所定値になる
ような該摺動端子との相対位置で前記可変抵抗器
に設けられた連動端子と、前記摺動端子と前記連
動端子との電位差が上記所定値から変動した時に
前記可変抵抗型位置検出装置に異常があつたこと
を判定する手段とを備えることを特徴とする可変
抵抗型位置検出装置の異常検出装置。[Claims for Utility Model Registration] 1. In an abnormality detection device for a variable resistance type detection device that causes current to flow through a variable resistor and outputs a voltage signal according to the position of a sliding terminal, for causing current to flow through the variable resistor. a constant voltage power supply device, an intermediate fixed terminal provided at an arbitrary position of the variable resistor, and a determination that an abnormality has occurred in the variable resistance type position detection device when the output voltage of the intermediate fixed terminal fluctuates. 1. An abnormality detection device for a variable resistance type position detection device, comprising means for detecting an abnormality in a variable resistance type position detection device. 2. An abnormality detection device for a variable resistance position detection device that passes current through a variable resistor and outputs a voltage signal according to the position of a sliding terminal, comprising: a constant voltage power supply device for passing current through the variable resistor; an interlocking terminal interlocking with the sliding terminal and provided on the variable resistor at a relative position to the sliding terminal such that a potential difference with the sliding terminal becomes a predetermined value; and an interlocking terminal interlocking with the sliding terminal; An abnormality detection device for a variable resistance position detection device, comprising means for determining that an abnormality has occurred in the variable resistance type position detection device when the potential difference between the terminal and the terminal changes from the predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9062289U JPH0330815U (en) | 1989-08-01 | 1989-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9062289U JPH0330815U (en) | 1989-08-01 | 1989-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0330815U true JPH0330815U (en) | 1991-03-26 |
Family
ID=31640138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9062289U Pending JPH0330815U (en) | 1989-08-01 | 1989-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330815U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035277A (en) * | 1983-08-05 | 1985-02-23 | Diesel Kiki Co Ltd | Abnormality detector for position detector using potentiometer |
-
1989
- 1989-08-01 JP JP9062289U patent/JPH0330815U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035277A (en) * | 1983-08-05 | 1985-02-23 | Diesel Kiki Co Ltd | Abnormality detector for position detector using potentiometer |
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