JPS62263470A - Rotation detection sensor - Google Patents
Rotation detection sensorInfo
- Publication number
- JPS62263470A JPS62263470A JP61106331A JP10633186A JPS62263470A JP S62263470 A JPS62263470 A JP S62263470A JP 61106331 A JP61106331 A JP 61106331A JP 10633186 A JP10633186 A JP 10633186A JP S62263470 A JPS62263470 A JP S62263470A
- Authority
- JP
- Japan
- Prior art keywords
- rotation detection
- rotation
- detection sensor
- gap
- cylindrical body
- 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 title claims abstract description 73
- 239000000945 filler Substances 0.000 claims abstract description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、例えば、車輌の駆動機構に組込まれる歯巾や
凹凸のある円板等による被回転検出体の回転数及び回転
方向を検出する回転検出センサに関する。[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention is directed to the rotational speed and The present invention relates to a rotation detection sensor that detects a rotation direction.
（従来の技術）
既に提案されているこの種の回転検出センサは、第７図
に示されるように、被回転検出体の回転数及び回転方向
を検出するために、独立した２個の回転検出センサの異
なる１シ相差を有する各回転検出素子のパルス信号を受
授して検出するようになっている。(Prior Art) As shown in FIG. 7, this type of rotation detection sensor that has already been proposed uses two independent rotation detection sensors to detect the rotation speed and rotation direction of a rotationally detected object. The sensor receives and detects pulse signals from each rotation detecting element having a different phase difference.
即ち、第７図において、例えば、車輌の駆動機構に組込
まれる回転軸ａには、歯車による被回転検出体すが軸装
されており、この被回転検出休すの外がわには、保５箇
を兼ねたケース本体Ｃが空隙ｄを存して設けられている
。又、このケース本体Ｃには、一対の透孔ｅ、ｆが上記
回転ｌＮ１ａの軸心（中心）０方向に向けて穿設されて
おり、この両送孔ｅ、ｆには、第１回転検出センサＱ及
び第２回転検出センサｈが各調整ナツトｉによって上記
軸心Ｏ方向へ向けて固着されている。さらに、この筒回
転検出センサＱ、ｈは、ケース筒体（ｊｌ。That is, in FIG. 7, for example, a rotating shaft a that is incorporated into a drive mechanism of a vehicle is equipped with a rotationally detected body by a gear. A case body C serving as five parts is provided with a gap d. In addition, a pair of through holes e and f are bored in this case body C toward the 0 direction of the axis (center) of the rotation lN1a, and these through holes e and f are provided with the first rotation A detection sensor Q and a second rotation detection sensor h are fixed toward the axis O by respective adjusting nuts i. Furthermore, the cylinder rotation detection sensors Q and h are connected to the case cylinder body (jl).
ｈ の内端部に各回転検出素子Ｑ 、ｈ を抜け出ない
ようにして内蔵し、この各回転検出素子Ｑ２− ｈ２を
、駆１１１ｍとしてのモータの制御器へ各リードＩ１．
ｈ３を介して接続して構成したものである。Each rotation detection element Q2-h2 is built into the inner end of the drive 111m so as not to slip out, and the rotation detection element Q2-h2 is connected to each lead I1.
It is configured by connecting via h3.
従って、上述した回転検出センサは、上記被回転検出体
すに対し間隙Ｇを存して対峙させ、この被回転検出体す
を回転し、他方、上記第１回転検出センサｑ及び第２回
転検出センサｈに通電することにより、この第１回転検
出センサＱで回転数を検出し、同時に、上記第１回転検
出センサＱの出力波形（パルス）と第２回転検出センサ
ｈの出力波形とが独立した矩形波を形成しているので、
この両者の短形波の立上り又は立下りの出力順位によっ
て上記被回転検出体（歯車）ｂの回転方向を検出づる。Therefore, the rotation detection sensor described above faces the rotation detection object with a gap G therebetween, rotates the rotation detection object, and on the other hand, the rotation detection sensor q and the second rotation detection sensor rotate the rotation detection object. By energizing the sensor h, the first rotation detection sensor Q detects the rotation speed, and at the same time, the output waveform (pulse) of the first rotation detection sensor Q and the output waveform of the second rotation detection sensor h become independent. Since it forms a square wave,
The rotational direction of the rotation detection object (gear) b is detected based on the output order of the rising or falling edges of both rectangular waves.
なお、上記筒回転検出センサｑ、ｈは、２出カ波形の位
相差を任意の電気角とするため、上記筒回転検出センサ
Ｑ、ｈ同志の機械的な取付角度αと間隙Ｇとを各調整ナ
ツトｉで微調整し得るようになっている。In order to set the phase difference between the two output waveforms to an arbitrary electrical angle, the cylinder rotation detection sensors q and h have a mechanical mounting angle α and a gap G of the cylinder rotation detection sensors Q and h, respectively. Fine adjustments can be made using the adjustment nut i.
（発明が解決しようとする問題点）
しかしながら、上述した回転検出センサは、２つの出力
波形の位相差（９０” ）を任意に設定するために、上
記筒回転検出センサｑ、ｈの取付角度αと間隙Ｇとの調
整が必要であり、しかも、車輌における車輪の駆動ｍ＊
へ取付けた回転機（例えばモータ）の回転数を上記両出
力波形を↑Ｍ察しながら調整するので、時間と労力を貸
すと共に熟練を要し、さらに、定期点検の際に生じた再
組立によって正確に所定の取付角度α及び間隙Ｇを存し
て取着することは困難である。(Problems to be Solved by the Invention) However, in the rotation detection sensor described above, in order to arbitrarily set the phase difference (90") between the two output waveforms, the mounting angle α of the cylinder rotation detection sensors q and h is It is necessary to adjust the gap G and the wheel drive m* of the vehicle.
Adjusting the rotation speed of the rotating machine (for example, a motor) attached to the motor while observing the above two output waveforms takes time and effort, and requires skill. It is difficult to mount it with a predetermined mounting angle α and gap G between the two.
本発明は、上述した難点を解消するために、回転検出セ
ンサの取付角度に関係なく、被回転検出体と回転検出セ
ンサとの間隙のみを調整し得るようにして組立を容易に
Ｌノで計測精度の向上を図るようにしたことを目的とす
る回転検出センサを提供するものである。In order to solve the above-mentioned difficulties, the present invention makes it possible to adjust only the gap between the rotation detecting object and the rotation detection sensor regardless of the mounting angle of the rotation detection sensor, thereby facilitating assembly and measuring L-no. The present invention provides a rotation detection sensor whose purpose is to improve accuracy.
（問題点を解決するための手段と作用）本発明は、ケー
ス筒体内の一端部に一対の回転検出素子を一定の離間距
離を存して設け、この両回転検出素子に増幅器を介して
リード線を接続し、上記ケース筒体内に充填材を充填し
、常に一定の位相差による電気角を保持し、取付時、被
回転検出体に対する間隙調整のみを行うようにして計測
精度の向上を図るように構成したちのである。(Means and effects for solving the problems) The present invention provides a pair of rotation detection elements at one end of a case cylinder, spaced apart from each other by a certain distance, and leads to both rotation detection elements via an amplifier. Connect the wires, fill the case cylinder with filler, always maintain an electrical angle due to a constant phase difference, and improve measurement accuracy by only adjusting the gap to the rotating detected object when installing. This is how it is structured.
（実施例） 以下、本発明を図示の一実施例について説明する。(Example) Hereinafter, the present invention will be described with reference to an illustrated embodiment.
第１図乃至第５図において、符号１は、例えば、車輌に
おける駆動機構を収納したケーシング（主枠）であって
、このケーシング１内には駆動機構の回転軸２が回転自
在に軸装されており、この回転軸２には伝ｅ歯車による
被回転検出体３が軸着されている。又、この被回転検出
体３の直上に位費する上記ケーシング１の頂部１ａには
嵌合条溝４が形成されており、この嵌合条溝４には、本
発明の主要部を構成する回転検出センサのケース筒体５
の鍔部５ａが嵌装されている。さらに、この鍔部５ａと
上記Ａ部１ａとは各取付ボルト６によって固着されるよ
うになっている。ざらに又、上記ケース筒体５の内端開
口部５ｂには盲カバー７が止ねじ８によって固着されて
おり、この盲カバー７の内がわには、一対をなす第１回
転検出索子９と第２回転検出素子１０とが上記被回転検
出体３のｍ部３ａに対して間隙Ｇを存するようにして設
けられている。又、この第１回転検出素子９と第２回転
検出素子１０との離間距離しは、第３図に示されるよう
に、上記被回転検出体３の歯部３ａに相当する凹部（谷
部）若しくは凸部（山部）の長さしの範囲内にして配設
されており、しかも、この第１回転検出素子つと第２回
転検出素子１０とは、上記ケース筒体５内に取付配置距
１１１Ａと８との間隔を存して設けられている。さらに
、上記第１回転検出素子９と第２回転検出素子１０は、
上記ケース筒体５内の増幅器１１に接続されており、こ
の増幅器１１はリード線１２を介して図示されないモー
タのｉ、ＩＩ御器へ接続されており、上記ケース筒体５
内には、例えば、合成樹脂材による充填材１３が上記両
回転検出素子９，１０及び増幅器１１を装填した後に充
填して上記両回転検出素子９．１０が増幅器１１が妄り
に移動しないように構成されている。In FIGS. 1 to 5, reference numeral 1 denotes a casing (main frame) that houses a drive mechanism in a vehicle, for example, and a rotating shaft 2 of the drive mechanism is rotatably mounted in the casing 1. A rotationally detected body 3 formed by a transmission gear is attached to the rotating shaft 2 . Further, a fitting groove 4 is formed in the top portion 1a of the casing 1 located directly above the rotationally detected body 3, and the fitting groove 4 is provided with a groove 4, which constitutes the main part of the present invention. Case cylinder body 5 of rotation detection sensor
The collar portion 5a is fitted. Further, this flange portion 5a and the above-mentioned portion A 1a are fixed to each other by respective mounting bolts 6. Furthermore, a blind cover 7 is fixed to the inner end opening 5b of the case cylinder body 5 by a set screw 8, and a pair of first rotation detection cables are installed inside the blind cover 7. 9 and a second rotation detection element 10 are provided with a gap G between them and the m section 3a of the rotation detection object 3. Further, as shown in FIG. 3, the distance between the first rotation detection element 9 and the second rotation detection element 10 is determined by a recess (trough) corresponding to the tooth portion 3a of the rotation detection object 3. Alternatively, the first rotation detecting element 10 and the second rotation detecting element 10 are disposed within the range of the length of the convex part (peak part), and the first rotation detecting element 10 and the second rotation detecting element 10 are installed within the case cylindrical body 5 at a distance. 111A and 8. Furthermore, the first rotation detection element 9 and the second rotation detection element 10 are
The case cylinder 5
A filling material 13 made of, for example, a synthetic resin material is filled inside the interior after the rotation detection elements 9, 10 and the amplifier 11 are loaded to prevent the rotation detection elements 9, 10 and the amplifier 11 from moving accidentally. It is configured.
一方、第４図及び第５図に示されるように、上記第１回
転検出素子９と第２回転検出素子１０とは、上記被回転
検出体３の歯部３ａによる凹部（谷部）３ｂと凸部（山
部）３Ｇとを１ピツチ（１Ｐ）としたとき、つまり、こ
れを電気角に直すと、出力波形の矩形波の１ピツチを３
６０°とるようにずらして設けられている。なお、上記
被回転検出体３が逆回転したときも、上記再回転検出索
子９と１０との矩形波は逆になるもの）、９０°の位相
差は同じである。On the other hand, as shown in FIGS. 4 and 5, the first rotation detection element 9 and the second rotation detection element 10 have a concave portion (trough) 3b formed by the tooth portion 3a of the rotationally detected body 3, When the convex portion (mountain portion) 3G is 1 pitch (1P), in other words, if this is converted to electrical angle, 1 pitch of the rectangular wave of the output waveform is 3
They are staggered by 60 degrees. Note that even when the rotated detection object 3 rotates in the opposite direction, the rectangular waves of the re-rotation detection cables 9 and 10 are opposite), and the 90° phase difference remains the same.
従って、今、第１図及び第２図に示されるように、本発
明による回転検出センサを被回転検出体３の歯部３ａに
対して間隙Ｇを存して取着する。Therefore, as shown in FIGS. 1 and 2, the rotation detection sensor according to the present invention is attached to the toothed portion 3a of the rotation detection object 3 with a gap G therebetween.
次に、上記被回転検出体３を回転すると共に、上記第１
回転検出素子９と第２回転検出素子１０へ通電すること
により、この第１回転検出素子９で回転数を検出し、他
方、この第１回転検出センサ９の出力波形（矩形波）と
第２回転検出素子１０の出力波形とが９０”の位相差を
形成しているので、この両者の矩形波の立上り又は立下
りの出力順位によって上記被回転検出体３の回転方向を
検出する。Next, while rotating the rotated detected body 3, the first
By energizing the rotation detection element 9 and the second rotation detection element 10, the first rotation detection element 9 detects the rotation speed, and the output waveform (rectangular wave) of the first rotation detection sensor 9 and the second Since the output waveform of the rotation detection element 10 forms a phase difference of 90'', the rotation direction of the rotation detection object 3 is detected based on the output order of the rise or fall of both rectangular waves.
このように、本発明は、回転検出センサの両回転検出素
子９．１０と被回転検出体３の歯形３ａとの間隙Ｇを保
って取着するのみで、回転数及び回転方向の計測精度の
向上を図ることができる。As described above, the present invention improves the measurement accuracy of the rotation speed and rotation direction by simply attaching the rotation detection elements 9 and 10 of the rotation detection sensor and the tooth profile 3a of the rotation detection object 3 while maintaining the gap G. You can improve your performance.
次に、第６図に示される本発明の他の実施例は、ケース
筒体１の鍔部材３ａ’ をこのケース筒体１から分割し
て形成し、このケース筒体１と鍔部材３ａ’ とを止ね
じ８′で固定するようにしたものであり、これによって
、間隙Ｇを上・上移動して調整すると共に、被回転検出
体３の歯部３ａの離間距離りに対する調整を回動するこ
とによって施すようにしたものである。Next, in another embodiment of the present invention shown in FIG. 6, the flange member 3a' of the case cylindrical body 1 is formed by being separated from the case cylindrical body 1, and the case cylindrical body 1 and the flange member 3a' are fixed with a set screw 8', and thereby the gap G can be adjusted by moving upwards and upwards, and the adjustment for the separation distance of the toothed portion 3a of the rotationally detected body 3 can be rotated. It was designed to be applied by doing.
以上述べたように本発明によれば、ケース筒体５内の一
端部に一対の回転検出素子９，１０を一定の離間距離り
を存して設け、この両回転検出素子９．１０に増幅器１
１を介してリード線１２を接続し、上記ケース筒体５内
に充填材１３を充填しであるので、組立時、間隙Ｇのみ
の調整するだけで５１測精度の向上を図ることができる
ばかりでなく、常に一定の位相差の電気角を保持してい
るから、再組立による取付誤差もなくなり、回転精度の
信頼性を向上することができる。As described above, according to the present invention, a pair of rotation detection elements 9 and 10 are provided at one end of the case cylindrical body 5 with a certain distance apart, and an amplifier is connected to both rotation detection elements 9 and 10. 1
Since the lead wire 12 is connected through 1 and the filling material 13 is filled in the case cylinder 5, it is possible to improve the measurement accuracy by adjusting only the gap G during assembly. Instead, since the electrical angle with a constant phase difference is always maintained, there is no installation error due to reassembly, and the reliability of rotational accuracy can be improved.
第１図９よ、本発明の回転検出センサを被回転検出体に
組込んだ状態を示す図、第２図は、第１図中の鎖線Ａ−
Ａに沿う拡大断面図、第３図は、本発明の回転検出セン
サと被回転検出体との関係を説明するための平面図、第
４図は、本発明の回転検出センサと被回転検出体の凹凸
部との関係を説明するための図、第５図は、本発明の第
１回転検出素子と第２回転検出素子との矩形波の位相差
を説明するための図、第６図は、本発明の他の実施例を
示す図、第７図は、既に提案されている回転検出セン号
を被回転検出体に組込んだ状態を示す図である。
１・・・ケース本体、３・・・被回転検出体、４・・・
嵌合条溝、５・・・ケース筒体、９・・・第１回転検出
素子、１０・・・第２回転検出素子、１１・・・増幅器
、１２・・・リード線、１３・・・充填材。
出願人代理人 佐 藤 −雄
第３図
第７図FIG. 1 is a diagram showing a state in which the rotation detection sensor of the present invention is incorporated into a rotation detection object, and FIG.
FIG. 3 is a plan view for explaining the relationship between the rotation detection sensor of the present invention and a rotationally detected object, and FIG. 4 is an enlarged sectional view taken along line A. FIG. 5 is a diagram for explaining the phase difference between the rectangular waves between the first rotation detection element and the second rotation detection element of the present invention, and FIG. FIG. 7 is a diagram illustrating another embodiment of the present invention, in which the already proposed rotation detection sensor is incorporated into a rotation detection object. 1... Case body, 3... Rotation detected object, 4...
Fitting groove, 5... Case cylindrical body, 9... First rotation detection element, 10... Second rotation detection element, 11... Amplifier, 12... Lead wire, 13... Filling material. Applicant's agent Mr. Sato Figure 3 Figure 7
Claims (3)
の離間距離を存して設け、この両回転検出素子に増幅器
を介してリード線を接続し、上記ケース筒体内に充填材
を充填したことを特徴とする回転検出センサ。1. A pair of rotation detection elements are provided at one end of the case cylinder at a certain distance apart, lead wires are connected to both rotation detection elements via an amplifier, and a filler is filled in the case cylinder. A rotation detection sensor featuring:
外周に形成された凹部若しくは凸部の長さＬの範囲内に
配設したことを特徴とする特許請求の範囲第１項記載の
回転検出センサ。2. The rotation according to claim 1, wherein the distance between the pair of rotation detecting elements is within a length L of a recess or a convex portion formed on the outer periphery of the rotation detection object. detection sensor.
とする特許請求の範囲第１項又は第２項記載の回転検出
センサ。3. The rotation detection sensor according to claim 1 or 2, characterized in that a mounting flange portion is formed on the case cylindrical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61106331A JPS62263470A (en) | 1986-05-09 | 1986-05-09 | Rotation detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61106331A JPS62263470A (en) | 1986-05-09 | 1986-05-09 | Rotation detection sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62263470A true JPS62263470A (en) | 1987-11-16 |
Family
ID=14430907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61106331A Pending JPS62263470A (en) | 1986-05-09 | 1986-05-09 | Rotation detection sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62263470A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09280887A (en) * | 1996-04-18 | 1997-10-31 | Tamagawa Seiki Co Ltd | Rotation detector |
| US6227061B1 (en) * | 1999-08-11 | 2001-05-08 | General Electric Co. | Mounting block for a proximity probe used for measuring axial movement of a rotor |
| US6408705B1 (en) | 2000-11-28 | 2002-06-25 | General Electric Company | Mounting block for a proximity probe used for measuring axial movement of a rotor |
| WO2010070392A1 (en) * | 2008-12-16 | 2010-06-24 | Aktiebolaget Skf | Rolling bearing assembly with an encoder washer and a sensor, and process for manufacturing such a rolling bearing assembly |
Citations (1)
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|---|---|---|---|---|
| JPS58124913A (en) * | 1982-01-21 | 1983-07-25 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Device for detecting number of revolution, angle and position |
-
1986
- 1986-05-09 JP JP61106331A patent/JPS62263470A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58124913A (en) * | 1982-01-21 | 1983-07-25 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Device for detecting number of revolution, angle and position |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09280887A (en) * | 1996-04-18 | 1997-10-31 | Tamagawa Seiki Co Ltd | Rotation detector |
| US6227061B1 (en) * | 1999-08-11 | 2001-05-08 | General Electric Co. | Mounting block for a proximity probe used for measuring axial movement of a rotor |
| US6408705B1 (en) | 2000-11-28 | 2002-06-25 | General Electric Company | Mounting block for a proximity probe used for measuring axial movement of a rotor |
| WO2010070392A1 (en) * | 2008-12-16 | 2010-06-24 | Aktiebolaget Skf | Rolling bearing assembly with an encoder washer and a sensor, and process for manufacturing such a rolling bearing assembly |
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