JPS5853712A - Throttle sensor - Google Patents
Throttle sensorInfo
- Publication number
- JPS5853712A JPS5853712A JP15153281A JP15153281A JPS5853712A JP S5853712 A JPS5853712 A JP S5853712A JP 15153281 A JP15153281 A JP 15153281A JP 15153281 A JP15153281 A JP 15153281A JP S5853712 A JPS5853712 A JP S5853712A
- Authority
- JP
- Japan
- Prior art keywords
- throttle sensor
- resistor
- case
- rotor
- slider
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/16—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
- G01D5/165—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance by relative movement of a point of contact or actuation and a resistive track
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は車載用内燃機関のスロットルセンサに関し、特
にポテンシ目メータを用いたスロットルセンサに関する
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a throttle sensor for a vehicle internal combustion engine, and more particularly to a throttle sensor using a potentiometer.
スロットルセンサは電子制御式内燃機関においてスロッ
トルバルブシャフトの回転角度位置に応じて電気信号を
発生し、アイドリングや燃料カット時における燃料噴射
の壬ンジンパラメータの一つになるものである。A throttle sensor generates an electric signal in accordance with the rotation angle position of a throttle valve shaft in an electronically controlled internal combustion engine, and serves as one of the engine parameters for fuel injection during idling or fuel cut.
かかるスロットルセンサの従来例を第１図及び第２図を
参照して詳細に説明する。A conventional example of such a throttle sensor will be explained in detail with reference to FIGS. 1 and 2.
第１図及び第２図においてケース１は筒形状であり、一
端は開口し、他端にはガイド部材２が設けられ、外表面
の一部には突出したコネクタ３が形成されている。ケー
ス１の開口頂部にはカバー４が設けられデテンショメー
タ室５が形成されている。ガイド部材２は回動自在なロ
ータ６を支持している。ロータ６の中心軸にはスロット
ルバルブ（図示せず）の動作を伝達せしめる回転シャフ
ト（図示せず）を挿入する回転シャフト孔７が設けられ
ている。また、ロータ６の一部には中心軸に対して垂直
方向に突起部が設けられておシ、該突起部を環状カム部
材８のＵ字形部８αが挾持している。環状カム部材８に
はガイド部材２の一部が挿入可能な貫通孔９が設けられ
て、貫通孔９０周壁部には金属部材１０が形成されてい
る。環状カム部材８は金属部材１０とガイド部材２のフ
ランジ部との間に設けられたスプリングワッシャ１１に
より支持されている。？テンシ四メータ室５には円盤形
状の絶縁基板１２がケース１に固着されておシ、一方の
面には円弧状の抵抗体（図示せず）と共に出力特性調整
用抵抗（図示せず）、同じく円弧状の導電板（図示せず
）がプリントされ、環状カム部材８の先端部に設けられ
た摺動子１３が抵抗体及び導電板に各々接触している。In FIGS. 1 and 2, a case 1 has a cylindrical shape, one end is open, a guide member 2 is provided at the other end, and a protruding connector 3 is formed on a part of the outer surface. A cover 4 is provided at the top of the opening of the case 1, and a detensimeter chamber 5 is formed. The guide member 2 supports a rotatable rotor 6. A rotary shaft hole 7 is provided in the central axis of the rotor 6 into which a rotary shaft (not shown) is inserted to transmit the operation of a throttle valve (not shown). Further, a portion of the rotor 6 is provided with a protrusion in a direction perpendicular to the central axis, and the U-shaped portion 8α of the annular cam member 8 holds the protrusion. The annular cam member 8 is provided with a through hole 9 into which a portion of the guide member 2 can be inserted, and a metal member 10 is formed on the peripheral wall of the through hole 90. The annular cam member 8 is supported by a spring washer 11 provided between the metal member 10 and the flange portion of the guide member 2. ? In the tensile meter chamber 5, a disc-shaped insulating substrate 12 is fixed to the case 1, and on one side there are provided an arc-shaped resistor (not shown) and an output characteristic adjustment resistor (not shown). Similarly, an arc-shaped conductive plate (not shown) is printed, and a slider 13 provided at the tip of the annular cam member 8 is in contact with the resistor and the conductive plate, respectively.
他方の面には抵抗体の両端と導電板とに電気的に接続し
たリード端子１４が設けられコネクタ端子１５がコネク
タ３からＩテンシ田メータ室５内に伸長し、リード端子
１４に電気的に接続されている。Lead terminals 14 electrically connected to both ends of the resistor and the conductive plate are provided on the other surface, and connector terminals 15 extend from the connector 3 into the I-tensile meter chamber 5 and are electrically connected to the lead terminals 14. It is connected.
上記構成の従来のスロットルセンサを用いる場合、コネ
クタピン１５に電圧が印加され、スロットルバルブ開度
に応じて摺動子１３が抵抗体に接触する点より検出され
る電圧が摺動子１３及び導電板を経てコネクタピン１５
へ出力されるのである。When using the conventional throttle sensor with the above configuration, a voltage is applied to the connector pin 15, and the voltage detected at the point where the slider 13 contacts the resistor according to the throttle valve opening is the voltage that is detected between the slider 13 and the conductor. Connector pin 15 through the plate
It is output to.
しかし乍ら、かかるスロットルセンサにおいてポテンシ
ョメータ単品では非常に精度の良い出力電圧の特性を示
すが、組立状態においては摺動子１３の摺動軌跡が製品
によって大きく異なってしまう。よって、第３図に示す
ようにロータ６のスロットル開度と摺動子１３によって
検出される電圧との関係が実線Ａの正規の特性に比べて
摺動子１３の軌跡が変化すると二点鎖Ｂのように特性が
変化してしまう問題点があった。However, in such a throttle sensor, although a single potentiometer exhibits extremely accurate output voltage characteristics, when assembled, the sliding locus of the slider 13 varies greatly depending on the product. Therefore, as shown in FIG. 3, when the relationship between the throttle opening of the rotor 6 and the voltage detected by the slider 13 changes compared to the normal characteristic shown by the solid line A, the trajectory of the slider 13 changes. There was a problem that the characteristics changed as shown in B.
そこで本発明の目的は上記問題点を解決して、組立状態
で摺動子の摺動軌跡が変化しても所望の出力電圧特性を
容易に得ることが可能なスロットルセンナを提供するこ
とである。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and provide a throttle sensor that can easily obtain desired output voltage characteristics even if the sliding locus of the slider changes in the assembled state. .
本発明によるスロットルセンサは抵抗体からのリード端
子とコネクタピンからのコネクタ端子とが電気的接続を
する基板上に出力特性調整用抵抗部材を設けて、核基板
をケースの閉塞可能な開口部近傍に設けることによシス
ロットルセンサを分解せずに該出力調整用抵抗を調整し
て所望の特性を得ることが出来るものである。In the throttle sensor according to the present invention, a resistance member for adjusting output characteristics is provided on a board where a lead terminal from a resistor and a connector terminal from a connector pin are electrically connected, and the core board is placed near a closable opening of a case. By providing the output adjustment resistor in the throttle sensor, the output adjustment resistor can be adjusted to obtain desired characteristics without disassembling the throttle sensor.
以下、本発明による実施例を第４図及び第５図を参照し
て説明する。Embodiments according to the present invention will be described below with reference to FIGS. 4 and 5.
第４図及び第５図に示したスロットルセンナにおいては
、ケース１に固着された絶縁基板１２上にプリントされ
た抵抗体に接続しかつ上方に伸長したリード端子１４と
コネクタ端子１５とが基板１６上に印刷等によって設け
られた出力特性調整用抵抗１７を介して接続されている
。基板１６はケース１の閉塞可能な開口部近傍に設けら
れている。その他の構成は第１図及び第２図に示した従
来例と同様であるのでここで詳述しない。In the throttle sensor shown in FIGS. 4 and 5, a lead terminal 14 and a connector terminal 15 connected to a resistor printed on an insulating substrate 12 fixed to a case 1 and extending upward are attached to a substrate 16. It is connected via an output characteristic adjustment resistor 17 provided on the top by printing or the like. The substrate 16 is provided near the closable opening of the case 1. The rest of the configuration is the same as the conventional example shown in FIGS. 1 and 2, so it will not be described in detail here.
上記した本発明によるスロットルセンサにおいて、組立
終了後摺動子１３の摺動軌跡が変化して所望の出力電圧
特性が得られない場合にはスロットルセンサのケースカ
バー４を取シ外し基板１６に設けられた出力特性調整用
抵抗部材１７をヤスリ、エアーリーラター等で削って抵
抗値を変化せしめて所望の特性を得ることが可能である
。In the throttle sensor according to the present invention described above, if the sliding locus of the slider 13 changes after assembly and the desired output voltage characteristics cannot be obtained, the case cover 4 of the throttle sensor is removed and installed on the board 16. It is possible to change the resistance value of the output characteristic adjusting resistance member 17 by filing it with a file, an air lather, etc. to obtain desired characteristics.
上記構成のスロットルセンサの動作は第１図及び第２図
に示した従来例と同様である。The operation of the throttle sensor configured as described above is similar to the conventional example shown in FIGS. 1 and 2.
このように本発明によるスロットルセンサは組立状態に
おける摺動子の摺動軌跡のバラツキによシ生ずる出力電
圧特性のバラツキを容易に修正出来るので製品間の特性
のバラツキを最小限に抑制することが出来るのである。As described above, the throttle sensor according to the present invention can easily correct variations in output voltage characteristics caused by variations in the sliding locus of the slider in the assembled state, so it is possible to minimize variations in characteristics between products. It can be done.
第１図はスロットルセンサの従来例を示す平面図、第２
図はｆｌ！、１図Ａ−Ａ線拡大断面図、第３図は従来の
スロットルセンサ特性図、第４図は本発明によるスロッ
トルセンサの実施例を示す平面図、第５図は第４図Ａ−
Ａ線拡大断面図である。
主要部分の符号の説明
ｌ・・・ケース ２・・・ガイド部材
５・・・ポテンショメータ ６・・・ロータ８・
・・環状カム部材 １２・・・絶縁基板１４・
・・リード端子 １５・・・コネクタ端子１
６・・・基板
１７・・・出力特性調整用抵抗部材Figure 1 is a plan view showing a conventional example of a throttle sensor;
The diagram is on fl! , FIG. 1 is an enlarged sectional view taken along the line A-A, FIG. 3 is a characteristic diagram of a conventional throttle sensor, FIG. 4 is a plan view showing an embodiment of the throttle sensor according to the present invention, and FIG.
FIG. 3 is an enlarged cross-sectional view taken along line A. Explanation of symbols of main parts l...Case 2...Guide member 5...Potentiometer 6...Rotor 8...
・Annular cam member 12 ・Insulating substrate 14 ・
...Lead terminal 15...Connector terminal 1
6... Board 17... Resistance member for adjusting output characteristics
Claims (1)
シャフトと連動するロータと、前記ロータを回動自在に
支持するガイド部材と、前記ロータと連動しかつ前記ガ
イド部材の回シに設けられたカム部材と、前記カム部材
と結合した摺動子と、前記摺動子に接触する抵抗体を担
持する絶縁基板と、前記抵抗体にリード端子を介して接
続したコネクタ端子と、前記コネクタ端子を有するコネ
クタとからなるスロットルセンサであって、前記リード
端子とコネクタ端子との電気的接続を基板上に設けられ
た調整抵抗を含むシリ／ト配線によってなしかつ前記基
板を前記ケースの開口部近傍に設けたことを特徴とする
スロットルセンサ。A rotor that interlocks with a throttle valve shaft within a case having a closable opening, a guide member that rotatably supports the rotor, and a cam member that interlocks with the rotor and is provided on the rotation of the guide member. a slider coupled to the cam member; an insulating substrate carrying a resistor in contact with the slider; a connector terminal connected to the resistor via a lead terminal; and a connector having the connector terminal. A throttle sensor comprising: an electrical connection between the lead terminal and the connector terminal by a slot wiring including an adjustment resistor provided on a board, and the board is provided near the opening of the case. A throttle sensor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15153281A JPS5853712A (en) | 1981-09-25 | 1981-09-25 | Throttle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15153281A JPS5853712A (en) | 1981-09-25 | 1981-09-25 | Throttle sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5853712A true JPS5853712A (en) | 1983-03-30 |
| JPH0351893B2 JPH0351893B2 (en) | 1991-08-08 |
Family
ID=15520567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15153281A Granted JPS5853712A (en) | 1981-09-25 | 1981-09-25 | Throttle sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5853712A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4872442U (en) * | 1971-12-14 | 1973-09-11 | ||
| JPS5059616A (en) * | 1973-09-26 | 1975-05-23 |
-
1981
- 1981-09-25 JP JP15153281A patent/JPS5853712A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4872442U (en) * | 1971-12-14 | 1973-09-11 | ||
| JPS5059616A (en) * | 1973-09-26 | 1975-05-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351893B2 (en) | 1991-08-08 |
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