JPH0484702A - Apparatus for detecting opening degree of throttle valve - Google Patents
Apparatus for detecting opening degree of throttle valveInfo
- Publication number
- JPH0484702A JPH0484702A JP19794990A JP19794990A JPH0484702A JP H0484702 A JPH0484702 A JP H0484702A JP 19794990 A JP19794990 A JP 19794990A JP 19794990 A JP19794990 A JP 19794990A JP H0484702 A JPH0484702 A JP H0484702A
- Authority
- JP
- Japan
- Prior art keywords
- throttle valve
- housing
- main body
- base plate
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000002485 combustion reaction Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 10
- 239000004734 Polyphenylene sulfide Substances 0.000 claims 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は内燃機関の吸入空気量を調整する絞り弁開度を
検出する絞り弁開度検出装置に関し、特に、刷子と抵抗
パターンとから成る可変抵抗器型の絞り弁開度検出装置
に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a throttle valve opening detection device that detects the opening of a throttle valve that adjusts the intake air amount of an internal combustion engine, and particularly relates to a throttle valve opening detection device that is composed of a brush and a resistance pattern. This invention relates to a variable resistor type throttle valve opening detection device.
従来の装置は、特開昭６３−２３８４０４号公報に記載
のように抵抗パターンを構成する基板と絞り弁開度検出
装置本体のハウジングが別体となっていた。In the conventional device, as described in Japanese Patent Application Laid-open No. 63-238404, the substrate forming the resistance pattern and the housing of the throttle valve opening detection device body are separate bodies.
なお、この種の装置として関連するものには例えば特開
昭６１−１５５７０５号が挙げられる。Note that related devices of this type include, for example, Japanese Patent Application Laid-Open No. 155705/1983.
従来技術に示された絞り弁開度検出装置は、抵抗パター
ンを構成する基板と装置本体のハウジングが別体となっ
ており、部品点数が多く、本体が大型になるとともに、
価格面でも高いという欠点があった。本発明は基板と装
置本体のハウジングを一体とすることにより部品点数の
削減及び装置本体の小型化を目的としており、さらに安
価な絞り弁開度検出装置を提供することを目的とする。The throttle valve opening detection device disclosed in the prior art has a board that constitutes a resistance pattern and a housing for the device main body, which are separate pieces, and the number of parts is large and the main body is large.
It also had the disadvantage of being expensive. The present invention aims to reduce the number of parts and downsize the device body by integrating the board and the housing of the device body, and also to provide an inexpensive throttle valve opening detection device.
上記目的を達成するために抵抗パターンを構成する基板
と装置本体のハウジングを同一材料とし、前記基板と前
記ハウジングを一体としたものである。In order to achieve the above object, the substrate constituting the resistance pattern and the housing of the device main body are made of the same material, and the substrate and the housing are integrated.
抵抗パターンを構成する基板は絞り弁開度検出装置本体
のハウジングと一体となる。それによって、前記絞り弁
開度検出装置は部品点数が削減できるとともに、従来の
基板部分のスペースも不要となる。The substrate forming the resistance pattern is integrated with the housing of the main body of the throttle valve opening detection device. As a result, the number of parts of the throttle valve opening detection device can be reduced, and the space required for the conventional board portion is also eliminated.
第１図から第４図は、本発明の一実施例による絞り弁開
度検出装置を示す。1 to 4 show a throttle valve opening detection device according to an embodiment of the present invention.
上記構造の絞り弁開度検出装置の動作を説明する。The operation of the throttle valve opening detection device having the above structure will be explained.
内燃機関の吸気系にある絞り弁１は絞り弁軸２に取り付
けられており、前記絞り弁軸２の軸端の一方に回転体３
が取り付けられている。以上の構成によって絞り弁軸２
の回転が回転体３に伝達される。前記回転体３には刷子
４が取り付けられており、前記刷子４が絞り弁開度検出
装置本体のハウジング５に印刷されている抵抗パターン
６上を摺動することによって絞り弁開度に応じた出力が
得られる可変抵抗器型の絞り弁開度検出装置となる。７
，８．９は可変抵抗器の接続端子であり、第４図のよう
な電気回路となっている。上記構造において、前記抵抗
パターン６を構成する基板と絞り弁開度検出装置本体の
ハウジング５を一体とすることによって部品点数が削減
できるとともに従来の基板部分のスペースも不要となる
。A throttle valve 1 in the intake system of an internal combustion engine is attached to a throttle valve shaft 2, and a rotating body 3 is attached to one of the shaft ends of the throttle valve shaft 2.
is installed. With the above configuration, the throttle valve shaft 2
rotation is transmitted to the rotating body 3. A brush 4 is attached to the rotary body 3, and the brush 4 slides on a resistance pattern 6 printed on the housing 5 of the throttle valve opening detection device body to detect the opening of the throttle valve. This is a variable resistor type throttle valve opening detection device that provides an output. 7
, 8.9 are connection terminals of the variable resistor, forming an electric circuit as shown in FIG. In the above structure, by integrating the substrate constituting the resistance pattern 6 and the housing 5 of the throttle valve opening detecting device main body, the number of parts can be reduced and the space required for the conventional substrate portion is also eliminated.
本発明によれば、抵抗パターンを構成する基板と装置本
体のハウジングが一体となり１部品点数が削減できると
ともに従来の基板部分のスペースも不要となり、小型軽
量で価格も安価とすることができる。According to the present invention, the board constituting the resistor pattern and the housing of the device main body are integrated, reducing the number of parts and eliminating the need for the space of the conventional board part, making it possible to make the device small, lightweight, and inexpensive.
第１図は本発明の一実施例の絞り弁開度検出装置の要部
の縦断面図、第２図は第１図の左側面の一部を示す図、
第３図は本発明の一実施例である絞り弁開度検出装置が
装着されたスロットルチャンバの縦断面図、第４図は本
発明の一実施例である絞り弁開度検出装置の電気回路図
を示す。
１・・・絞り弁、２・・・絞り弁軸、３・・・回転体、
４・・・刷子、５・・・ハウジング、６・・・抵抗パタ
ーン、７，８９・・・接続端子。FIG. 1 is a vertical sectional view of the main parts of a throttle valve opening detection device according to an embodiment of the present invention, FIG. 2 is a diagram showing a part of the left side of FIG. 1,
FIG. 3 is a longitudinal sectional view of a throttle chamber equipped with a throttle valve opening detection device which is an embodiment of the present invention, and FIG. 4 is an electric circuit of the throttle valve opening detection device which is an embodiment of the present invention. Show the diagram. 1... Throttle valve, 2... Throttle valve shaft, 3... Rotating body,
4... Brush, 5... Housing, 6... Resistance pattern, 7, 89... Connection terminal.
Claims (1)
有し、前記回転体には刷子を有するとともに、前記刷子
と近接対向して設けられた基板の抵抗パターン上を前記
刷子が摺動する可変抵抗器型の絞り弁開度検出装置にお
いて、抵抗パターンを構成する基板と装置本体のハウジ
ングを同一材料とし、基板とハウジングを一体としたこ
とを特徴とする絞り弁開度検出装置。 ２、請求項１記載において、基板とハウジングの材料に
ポリフェニレンサルファイド（ＰＰＳ）を使用したこと
を特徴とする絞り弁開度検出装置。[Scope of Claims] 1. A rotating body interlocked with a throttle valve in an intake system of an internal combustion engine, the rotating body having a brush, and a resistance pattern on a substrate provided close to and facing the brush. A variable resistor type throttle valve opening detection device on which the brush slides, characterized in that the substrate constituting the resistance pattern and the housing of the device main body are made of the same material, and the substrate and the housing are integrated. Valve opening detection device. 2. The throttle valve opening detection device according to claim 1, wherein polyphenylene sulfide (PPS) is used as the material of the substrate and the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19794990A JPH0484702A (en) | 1990-07-27 | 1990-07-27 | Apparatus for detecting opening degree of throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19794990A JPH0484702A (en) | 1990-07-27 | 1990-07-27 | Apparatus for detecting opening degree of throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0484702A true JPH0484702A (en) | 1992-03-18 |
Family
ID=16382988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19794990A Pending JPH0484702A (en) | 1990-07-27 | 1990-07-27 | Apparatus for detecting opening degree of throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0484702A (en) |
-
1990
- 1990-07-27 JP JP19794990A patent/JPH0484702A/en active Pending
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