JP2688992B2 - Belt control device - Google Patents
Belt control deviceInfo
- Publication number
- JP2688992B2 JP2688992B2 JP1184132A JP18413289A JP2688992B2 JP 2688992 B2 JP2688992 B2 JP 2688992B2 JP 1184132 A JP1184132 A JP 1184132A JP 18413289 A JP18413289 A JP 18413289A JP 2688992 B2 JP2688992 B2 JP 2688992B2
- Authority
- JP
- Japan
- Prior art keywords
- belt
- tension
- tensioner
- output signal
- strain gauge
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
- F16H7/1254—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means
- F16H7/1263—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially straight path
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0806—Compression coil springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0819—Rubber or other elastic materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0876—Control or adjustment of actuators
- F16H2007/0887—Control or adjustment of actuators the tension being a function of load
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、ベルトの異常張力を検出するとともに、異
常張力を検出したときにそのベルトの張力を調整するベ
ルト制御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a belt control device that detects abnormal tension of a belt and adjusts the tension of the belt when the abnormal tension is detected.
（従来の技術） 従来のベルト制御装置としては、内燃エンジンのクラ
ンク軸に連結された駆動輪と、この駆動輪により駆動さ
れる従動輪と、この従動輪及び前記駆動輪に掛けられた
伝動ベルトと、この伝動ベルトの張力を検出する伝動ベ
ルト張力検出装置とを備え、伝動ベルトの張り過ぎや緩
み過ぎ等の異常状態を検出するものがある（特開昭57−
34423号公報）。(Prior Art) A conventional belt control device includes a drive wheel connected to a crankshaft of an internal combustion engine, driven wheels driven by the drive wheel, and a transmission belt hung on the driven wheel and the drive wheel. And a transmission belt tension detecting device for detecting the tension of the transmission belt to detect an abnormal state such as excessive tension or looseness of the transmission belt (JP-A-57-
34423 publication).
（発明が解決しようとする課題） ところが、固定テンショナを用いたときのベルト張力
のばらつき、異物のかみ込み、トルク変動によるベルト
荷重の変動及びエンジン回転数（Ne）の影響等に起因し
て、ベルト張力が高くなることがあり、これにより騒音
（特にかみ合いによる高周波音）が大きくなるととも
に、ベルトが切断するなどの問題が起きる。(Problems to be solved by the invention) However, due to variations in belt tension when a fixed tensioner is used, entrapment of foreign matter, variation in belt load due to torque variation, influence of engine speed (Ne), etc., The belt tension may be high, which increases noise (especially high-frequency sound due to meshing) and causes problems such as the belt being cut.
また、固定テンショナを用いたときにベルト張力がば
らついたり、ベルト劣化による伸びによって不完全かみ
合いが発生し、歯元荷重が増加したり、ゆるみ側のかみ
合い異常が発生して有効かみ合い歯数が減少したりする
などして、ベルト張力が小さくなることがあるが、これ
により歯かけ、歯飛び及び騒音（ベルトの弦振動）等が
発生するという問題が起きる。Also, when a fixed tensioner is used, the belt tension varies, incomplete meshing occurs due to elongation due to belt deterioration, the root load increases, and meshing abnormalities on the loosening side occur and the number of effective meshing teeth decreases. Although the belt tension may be reduced due to, for example, this causes problems such as tooth engagement, tooth skipping and noise (belt string vibration).
本発明はこのような事情に鑑みてなされたもので、ベ
ルトの異常状態を速やかに検出して、ベルトの張力を調
整することができるベルト制御装置を提供することを目
的とする。The present invention has been made in view of such circumstances, and an object of the present invention is to provide a belt control device capable of quickly detecting an abnormal state of a belt and adjusting the tension of the belt.
（課題を解決するための手段） 上述の目的を達成するために本発明は、ベルトに埋め
込まれそのベルトの張力を感知してその張力に応じた出
力信号を送出する歪ゲージと、前記ベルトの全周にわた
って取り付けてある前記歪ゲージの出力用電極端子と、
この出力用電極端子に接触する電極ブラシと、この電極
ブラシから前記出力信号を取り出すスリップリングと、
前記ベルトに張力を与えるテンショナーと、このテンシ
ョナーを移動させてベルト張力を調節するアクチュエー
タと、前記スリップリングにより取り出した前記出力信
号に基づいて前記アクチュエータを作動させる制御信号
を送出する制御手段とを備えている。(Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention provides a strain gauge embedded in a belt, which senses the tension of the belt and outputs an output signal corresponding to the tension, and a strain gauge of the belt. An electrode terminal for output of the strain gauge attached over the entire circumference,
An electrode brush that contacts the output electrode terminal, and a slip ring that extracts the output signal from the electrode brush,
A tensioner for applying tension to the belt, an actuator for adjusting the belt tension by moving the tensioner, and a control means for sending a control signal for operating the actuator based on the output signal taken out by the slip ring. ing.
（作用） ベルトの張力が大きくなり過ぎた場合、歪ゲージの出
力信号に基づいて制御手段からベルト張力を小さくする
制御信号が送出され、アクチュエータが作動し、ベルト
に対するテンショナーの押圧力が低下してベルトの張力
が小さくなる。(Operation) When the tension of the belt becomes too large, the control means sends a control signal to reduce the belt tension based on the output signal of the strain gauge, the actuator operates, and the pressing force of the tensioner against the belt decreases. Belt tension decreases.
ベルトの張力が小さくなり過ぎた場合、歪ゲージの出
力信号に基づいて制御手段からベルト張力を大きくする
制御信号が送出され、アクチュエータが作動し、ベルト
に対するテンショナーの押圧力が高くなりベルトの張力
が大きくなる。When the tension of the belt becomes too small, the control means sends a control signal to increase the belt tension based on the output signal of the strain gauge, the actuator operates, the pressing force of the tensioner against the belt increases, and the belt tension increases. growing.
（実施例） 次に本発明の一実施例を図面に基づいて説明する。Example Next, an example of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例に係るベルト制御装置装置
を示す全体構成図であり、図中21は内燃エンジン、７は
ベルト１に張力を与えるテンショナー、22はテンショナ
ー７を作動させるアクチュエータである。FIG. 1 is an overall configuration diagram showing a belt control device according to an embodiment of the present invention. In the figure, 21 is an internal combustion engine, 7 is a tensioner that applies tension to the belt 1, and 22 is an actuator that operates the tensioner 7. is there.
ベルト１は、第３図に示すように、弾性材からなる無
端上のベルト本体８と、このベルト本体８の片面に接合
したバックラバー９と、ベルト本体８の他面に連設した
歯10と、歯10を覆うカバー11と、バックラバー９内に埋
設された複数の心線12とを備えている。このベルト１は
駆動輪33及び従動輪34に掛けてある（第１図参照）。As shown in FIG. 3, the belt 1 includes an endless belt body 8 made of an elastic material, a back rubber 9 joined to one surface of the belt body 8, and teeth 10 connected to the other surface of the belt body 8. A cover 11 for covering the teeth 10 and a plurality of core wires 12 embedded in the back rubber 9. The belt 1 is wound around a driving wheel 33 and a driven wheel 34 (see FIG. 1).
バックラバー９には凹部13が設けてあり、凹部13の底
面に心線12が露出している。露出した心線12には歪ゲー
ジ14が貼着してある。また、バックラバー９には周方向
に沿う長溝15が設けてあり、その長溝15の一端は凹部13
に通じている。長溝15には歪ゲージ14のリード線16,16
が収納される。バックラバー９の表面9aには歪ゲージ1
4,14の出力用電極端子17,17がベルト全周にわたって取
り付けてあり、各出力用電極端子17,17には歪ゲージ14
のリード線16,16がそれぞれ接続してある。The back rubber 9 is provided with a concave portion 13, and the core wire 12 is exposed on the bottom surface of the concave portion 13. A strain gauge 14 is attached to the exposed core wire 12. The back rubber 9 is provided with a long groove 15 extending in the circumferential direction.
Leads to. In the long groove 15, the lead wires 16, 16 of the strain gauge 14
Is stored. Strain gauge 1 on surface 9a of back rubber 9
4, 14 output electrode terminals 17, 17 are attached over the entire circumference of the belt, and each output electrode terminal 17, 17 has a strain gauge 14
Are connected respectively.
テンショナー７はベルト１の回転につれて回転する。
テンショナー７の外周にはベルト１側の出力用電極端子
17,17に対応する電極ブラシ18,18が設けてある（第２図
参照）。本実施例の場合、テンショナー７はアクチュエ
ータ22に結合してある。アクチュエータ22は、第２図に
示すように可動ブロック23と、エンジン側に固定された
固定ブロック24と、両ブロック23,24間に介装されたス
プリング25と、両ブロック23,24間に圧力室26を形成す
るベローズ27とを備えている。The tensioner 7 rotates as the belt 1 rotates.
The output electrode terminal on the belt 1 side is provided on the outer circumference of the tensioner 7.
Electrode brushes 18, 18 corresponding to 17, 17 are provided (see FIG. 2). In the case of this embodiment, the tensioner 7 is connected to the actuator 22. As shown in FIG. 2, the actuator 22 includes a movable block 23, a fixed block 24 fixed to the engine side, a spring 25 interposed between the blocks 23 and 24, and a pressure between the blocks 23 and 24. And a bellows 27 forming a chamber 26.
可動側ブロック23には円盤状のテンショナー７が軸受
28を介して回転自在に取り付けてあり、更にスリップリ
ング25が固定してある。電極ブラシ18とスリップリング
25とは電気的に接続してあり、スリップリング25により
電極ブラシ18からの信号を取り出す。The movable block 23 has a disk-shaped tensioner 7 as a bearing.
It is rotatably attached via 28, and a slip ring 25 is fixed. Electrode brush 18 and slip ring
It is electrically connected to 25, and a signal from the electrode brush 18 is taken out by the slip ring 25.
上述のように両ブロック23,24間にはスプリング25が
介装してあるので、そのスプリング25のばね荷重がベル
ト１にかかる。固定側ブロック24には圧力導入口29が設
けてあるので、この圧力導入口29を通じて圧力室26内に
負圧を導入することによりベローズ27を伸縮させベルト
１にかかる荷重を調節することができる。Since the spring 25 is interposed between the blocks 23 and 24 as described above, the spring load of the spring 25 is applied to the belt 1. Since the fixed block 24 is provided with the pressure introducing port 29, by introducing a negative pressure into the pressure chamber 26 through the pressure introducing port 29, the bellows 27 can be expanded and contracted to adjust the load applied to the belt 1. .
ベルト１が回転すると歪ゲージ14は各通過位置のベル
ト荷重を感知して出力信号を送出する。その出力信号は
リード線16及び出力用電極端子17を介して電極ブラシ18
に送出され、電極ブラシ18からスリップリング25に送出
される。第５図に示されるように、スリップリング25に
より取り出された歪ゲージ14の出力信号は増幅器19によ
り増幅され、増幅された出力信号はECU（制御手段）20
に供給される。第４図はベルト１が１回転したときにベ
ルト１の各部分に加わるベルト荷重を説明するための図
であり、同図（ａ）はベルト１と歯車３〜６との組付状
態を示す概略図、同図（ｂ）はベルトの各部分Ａ〜Ｊに
加わるベルト荷重を示す曲線図である。When the belt 1 rotates, the strain gauge 14 detects the belt load at each passing position and sends an output signal. The output signal is sent to the electrode brush 18 via the lead wire 16 and the output electrode terminal 17.
And is sent from the electrode brush 18 to the slip ring 25. As shown in FIG. 5, the output signal of the strain gauge 14 taken out by the slip ring 25 is amplified by the amplifier 19, and the amplified output signal is outputted by the ECU (control means) 20.
Supplied to FIG. 4 is a view for explaining a belt load applied to each part of the belt 1 when the belt 1 makes one rotation, and FIG. 4A shows an assembled state of the belt 1 and the gears 3 to 6. FIG. 3B is a schematic diagram showing a curve indicating the belt load applied to each of the portions A to J of the belt.
ECU20は、歪ゲージ14の出力信号と上限値とを比較
し、出力信号が上限値よりも大きいとき、アクチュエー
タ22を伸縮させる制御信号を送出し、出力信号が下限値
よりも小さいとき、アクチュエータ22を伸長させる制御
信号を送出する。ECU20からの制御信号は電磁三方弁30
に送出され、電磁三方弁30は制御信号に基づいて作動
し、アクチュエータ22の圧力室26に負圧を導入してベル
ト１の張力を調節する。The ECU 20 compares the output signal of the strain gauge 14 with the upper limit value, and when the output signal is larger than the upper limit value, sends a control signal for expanding and contracting the actuator 22, and when the output signal is smaller than the lower limit value, the actuator 22 A control signal for extending the. The control signal from the ECU 20 is the electromagnetic three-way valve 30.
Then, the electromagnetic three-way valve 30 operates based on the control signal to introduce a negative pressure into the pressure chamber 26 of the actuator 22 to adjust the tension of the belt 1.
また、ECU20からの制御信号はインジェクター31及び
点火装置32にも送出され、制御信号に基づきインジェク
ター31の燃料噴射量が制御され、また点火装置32の燃料
点火磁気が制御される。Further, the control signal from the ECU 20 is also sent to the injector 31 and the ignition device 32, the fuel injection amount of the injector 31 is controlled based on the control signal, and the fuel ignition magnetism of the ignition device 32 is controlled.
ベルト１の張力が大きくなり過ぎた場合、歪ゲージ14
の出力信号に基づいてECU20がらベルト張力を小さくす
る制御信号が送出され、電磁三方弁30が作動してアクチ
ュエータ22のベローズ27が伸縮し、ベルト１に対するテ
ンショナー７の押圧力が低下してベルト１の張力が小さ
くなる。したがって、ベルト１の切断を防ぎ、騒音の発
生を抑制することができる。If the tension of belt 1 becomes too large, strain gauge 14
Based on the output signal from the ECU 20, a control signal for reducing the belt tension is sent from the ECU 20, the electromagnetic three-way valve 30 operates, the bellows 27 of the actuator 22 expands and contracts, the pressing force of the tensioner 7 against the belt 1 decreases, and the belt 1 Tension becomes smaller. Therefore, it is possible to prevent the belt 1 from being cut and suppress the generation of noise.
また、ECU20からの制御信号はインジェクター31及び
点火装置32に送出され、燃料噴射量や点火時期が抑制さ
れ、エンジン出力が抑制される。Further, the control signal from the ECU 20 is sent to the injector 31 and the ignition device 32, the fuel injection amount and the ignition timing are suppressed, and the engine output is suppressed.
ベルト１の張力が小さくなり過ぎた場合、歪ゲージ14
の出力信号に基づいてECU20からベルト張力を大きくす
る制御信号が送出され、電磁三方弁30が作動してアクチ
ュエータ22のベローズ27が伸長し、ベルト１に対するテ
ンショナー７の押圧力が高くなりベルト１の張力が大き
くなる。したがって、歯かけ、歯飛び及び騒音等を防ぐ
ことができる。If the tension of belt 1 becomes too small, strain gauge 14
A control signal for increasing the belt tension is sent from the ECU 20 based on the output signal of the belt, the electromagnetic three-way valve 30 is actuated, the bellows 27 of the actuator 22 is extended, and the pressing force of the tensioner 7 against the belt 1 is increased to increase the belt 1. Tension increases. Therefore, it is possible to prevent tooth catching, tooth jumping, noise and the like.
なお、本実施例によれば上述のように簡素な構成によ
り歪ゲージ14の出力信号を取り出すことができ、ベルト
１の非円運動を円運動に変換する円盤や、取付が困難な
バランサ等を用いる必要がないので、多大な労力とノウ
ハウ並びに広いベンチ等が不要となり、ベルト荷重検出
が容易になる。According to the present embodiment, the output signal of the strain gauge 14 can be taken out by the simple structure as described above, and a disc for converting the non-circular motion of the belt 1 into a circular motion, a balancer that is difficult to mount, etc. Since it is not necessary to use it, a great deal of labor and know-how, a large bench, etc. are unnecessary, and belt load detection becomes easy.
（発明の効果） 以上説明したように本発明のベルト制御装置によれ
ば、ベルトに埋め込まれそのベルトの張力を感知してそ
の張力に応じた出力信号を送出する歪ゲージと、前記ベ
ルトの全周にわたって取り付けてある前記歪ゲージの出
力用電極端子と、この出力用電極端子に接触する電極ブ
ラシと、この電極ブラシから前記出力信号を取り出すス
リップリングと、前記ベルトに張力を与えるテンショナ
ーと、このテンショナーを移動させてベルト張力を調節
するアクチュエータと、前記スリップリングにより取り
出した前記出力信号に基づいて前記アクチュエータを作
動させる制御信号を送出する制御手段とを備えているの
で、ベルトの張力が大きくなり過ぎた場合、歪ゲージの
出力信号に基づいて制御手段からベルト張力を小さくす
る制御信号が送出され、アクチュエータが作動し、ベル
トに対するテンショナーの押圧力が低下してベルトの張
力が小さくなる。したがって、ベルトの切断を防ぎ、騒
音の発生を抑制することができる。(Effects of the Invention) As described above, according to the belt control device of the present invention, a strain gauge that is embedded in a belt, senses the tension of the belt, and outputs an output signal according to the tension; An output electrode terminal of the strain gauge attached over the circumference, an electrode brush that contacts the output electrode terminal, a slip ring that extracts the output signal from the electrode brush, a tensioner that applies tension to the belt, and Since the actuator for adjusting the belt tension by moving the tensioner and the control means for sending the control signal for operating the actuator based on the output signal taken out by the slip ring are provided, the belt tension is increased. If it passes, the control means reduces the belt tension based on the output signal of the strain gauge. A signal is transmitted, the actuator is actuated, the tension of the tensioner on the belt is reduced, and the tension of the belt is reduced. Therefore, it is possible to prevent the belt from being cut and suppress the generation of noise.
また、ベルトの張力が小さくなり過ぎた場合、歪ゲー
ジの出力信号に基づいて制御手段からベルト張力を大き
くする制御信号が送出され、アクチュエータが作動し、
ベルトに対するテンショナーの押圧力が高くなりベルト
の張力が大きくなる。したがって、歯かけ、歯飛び及び
騒音を防ぐことができる。Further, when the tension of the belt becomes too small, a control signal for increasing the belt tension is sent from the control means based on the output signal of the strain gauge, and the actuator operates,
The tensioner presses the belt against the belt and the belt tension increases. Therefore, tooth catching, tooth jumping and noise can be prevented.
第１図は本発明の一実施例に係るベルト制御装置を示す
全体構成図、第２図はテンショナー及びアクチュエータ
を示す縦断面図、第３図はベルトの一部を示す拡大斜視
図、第４図（ａ）はベルトと歯車との組付状態を示す概
略図、第４図（ｂ）はベルトの各部分に加わる荷重を示
す曲線図、第５図は本発明の一実施例に係るベルト制御
装置を説明するためのブロック図である。 １……ベルト、７……テンショナー、14……歪ゲージ、
16……リード線、17……出力用電極端子、18……電極ブ
ラシ、19……スリップリング、20……ECU（制御手
段）、22……アクチュエータ。1 is an overall configuration diagram showing a belt control device according to an embodiment of the present invention, FIG. 2 is a vertical sectional view showing a tensioner and an actuator, FIG. 3 is an enlarged perspective view showing a part of a belt, and FIG. FIG. 4A is a schematic view showing an assembled state of a belt and a gear, FIG. 4B is a curve diagram showing loads applied to respective portions of the belt, and FIG. 5 is a belt according to an embodiment of the present invention. It is a block diagram for explaining a control device. 1 …… Belt, 7 …… Tensioner, 14 …… Strain gauge,
16 ... Lead wire, 17 ... Output electrode terminal, 18 ... Electrode brush, 19 ... Slip ring, 20 ... ECU (control means), 22 ... Actuator.
Claims (1)
知してその張力に応じた出力信号を送出する歪ゲージ
と、前記ベルトの全周にわたって取り付けてある前記歪
ゲージの出力用電極端子と、この出力用電極端子に接触
する電極ブラシと、この電極ブラシから前記出力信号を
取り出すスリップリングと、前記ベルトに張力を与える
テンショナーと、このテンショナーを移動させてベルト
張力を調節するアクチュエータと、前記スリップリング
により取り出した前記出力信号に基づいて前記アクチュ
エータを作動させる制御信号を送出する制御手段とを備
えていることを特徴とするベルト制御装置。1. A strain gauge embedded in a belt, which senses the tension of the belt and outputs an output signal corresponding to the tension, and an output electrode terminal of the strain gauge which is attached over the entire circumference of the belt. An electrode brush that contacts the output electrode terminal, a slip ring that extracts the output signal from the electrode brush, a tensioner that applies tension to the belt, an actuator that moves the tensioner to adjust the belt tension, and the slip. And a control means for sending a control signal for operating the actuator based on the output signal taken out by a ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1184132A JP2688992B2 (en) | 1989-07-17 | 1989-07-17 | Belt control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1184132A JP2688992B2 (en) | 1989-07-17 | 1989-07-17 | Belt control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0350329A JPH0350329A (en) | 1991-03-04 |
| JP2688992B2 true JP2688992B2 (en) | 1997-12-10 |
Family
ID=16147936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1184132A Expired - Fee Related JP2688992B2 (en) | 1989-07-17 | 1989-07-17 | Belt control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2688992B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100440341B1 (en) * | 2002-10-04 | 2004-07-15 | 현대자동차주식회사 | belt tensioner |
| EP3323658B1 (en) | 2011-05-13 | 2021-11-24 | Litens Automotive Partnership | Intelligent belt drive system and method |
| US9464697B2 (en) | 2011-09-05 | 2016-10-11 | Litens Automotive Partnership | Intelligent belt drive system and method |
| WO2013159181A1 (en) | 2012-04-28 | 2013-10-31 | Litens Automotive Partnership | Adjustable tensioner |
| FR3087865B1 (en) * | 2018-10-29 | 2020-10-23 | Hutchinson | Method of adjusting the tension of a belt |
-
1989
- 1989-07-17 JP JP1184132A patent/JP2688992B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0350329A (en) | 1991-03-04 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |