JPS63297161A - Fixation preventive car braking circuit device - Google Patents
Fixation preventive car braking circuit deviceInfo
- Publication number
- JPS63297161A JPS63297161A JP29791987A JP29791987A JPS63297161A JP S63297161 A JPS63297161 A JP S63297161A JP 29791987 A JP29791987 A JP 29791987A JP 29791987 A JP29791987 A JP 29791987A JP S63297161 A JPS63297161 A JP S63297161A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- braking
- output signal
- channel
- wheel
- 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
- 230000003449 preventive effect Effects 0.000 title 1
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
- B60T8/1764—Regulation during travel on surface with different coefficients of friction, e.g. between left and right sides, mu-split or between front and rear
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、少なくとも２つの車輪の回転速度をそれぞれ
検出する回転検出器と、これら回転検出器にそれぞれ接
続されて車輪の加速度、減速度および滑りの限界値回路
を含み回転検出器の出力信号を処理して制動圧力調節信
号を発生する調節チャネルと、出力増幅器と制動圧力調
節電磁弁とをそれぞれ含み調節チャネルの出力信号に応
じて車輪の制動圧力を形成する制動回路とを有する、固
着防止車両制動用回路装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention includes a rotation detector that detects the rotational speed of at least two wheels, and a rotation detector that is connected to each of these rotation detectors and detects the acceleration, deceleration, and a control channel that includes a slip limit value circuit and processes the output signal of the rotation detector to generate a brake pressure control signal; and a control channel that includes an output amplifier and a brake pressure control solenoid valve, respectively, to adjust the speed of the wheel in response to the output signal of the control channel. The present invention relates to a circuit device for anti-stick vehicle braking, which has a braking circuit that generates braking pressure.
このような回路装置において、例えば一方の回転検出器
の故障のため一方の調節チャネルが調節信号を発生しな
い時、他方の健全な調節チャネルにより両方の制動回路
を共通に調節することは公知である（特開昭５０−３３
３９１号公報）。In such a circuit arrangement, it is known to commonly regulate both braking circuits by means of the other healthy regulating channel when one regulating channel does not generate a regulating signal, for example due to a fault in one of the rotation detectors. (Unexamined Japanese Patent Publication No. 50-33
Publication No. 391).
しかしながら車両の荷重状態によっていずれか一方の車
輪が固着することによって危険な走行状態を防止するこ
とについての考慮はなされていない。However, no consideration is given to preventing dangerous running conditions due to one of the wheels becoming stuck depending on the load condition of the vehicle.
本発明の諜頭は、車両の荷重状態による車輪固着を防止
することである。The key point of the present invention is to prevent wheels from sticking due to the loaded state of the vehicle.
この課題を解決するため本発明によれば、車両の荷重状
態を判別する判別回路と、この判別回路の出力信号に応
じて一方または他方の車輪に付属する調節チャネルを他
方または一方の車輪に付属する制動回路へ切換え接続す
る切換え装置とが設けられ、判別回路が、荷重に関係す
る量を限界値と比較して、所定の限界値超過の際切換え
装置を操作し、この切換え装置が、低い方の摩擦係数で
回転する車輪に付属する調節チャネルを、高い方の摩擦
係数で回転する車輪に付属する制動回路へも接続して、
両制動回路の共通調節を行なう。In order to solve this problem, the present invention provides a discrimination circuit for discriminating the load condition of the vehicle, and an adjustment channel attached to one or the other wheel depending on the output signal of the discrimination circuit. A switching device is provided for switching connection to a braking circuit that operates, a discrimination circuit comparing the load-related quantity with a limit value and operating a switching device when a predetermined limit value is exceeded; an adjustment channel associated with a wheel rotating with a higher coefficient of friction is also connected to a braking circuit associated with a wheel rotating with a higher coefficient of friction;
Make common adjustments to both braking circuits.
こうして荷重が所定の限界値を超過すると、切換え装置
により、低い方の摩擦係数で回転する車輪に付属する調
節チャネルにより両方の制動回路を共通に調節するので
、このような荷重状態でも、車輪は固着せず、したがっ
て危険な走行状態が防止される。In this way, if the load exceeds a predetermined limit value, the switching device adjusts both braking circuits in common by means of the adjustment channel assigned to the wheel rotating with the lower coefficient of friction, so that even under such load conditions the wheel is No sticking and therefore dangerous driving conditions are prevented.
回転検出器１２０は一方の車輪の回転速度を検出し、ま
た回転検出器１２２は他方の車輪の回転速度を検出する
。検出器１２０および１２２の出力信号はそれぞれ調節
チャネル１２４および１２６へ供給され、これらの調節
チャネル内で車輪の加速度、減速度および滑り用の限界
値回路により検出器の出力信号を処理して、制動圧力の
調節信号を形成する。調節チャネル１２４および１２６
の出力信号は、出力増幅器と制動圧力調節電磁弁とを含
む制動回路１３６゜１３８へそれぞれ供給される。Rotation detector 120 detects the rotation speed of one wheel, and rotation detector 122 detects the rotation speed of the other wheel. The output signals of the detectors 120 and 122 are fed to regulation channels 124 and 126, respectively, in which the output signals of the detectors are processed by limit value circuits for wheel acceleration, deceleration and slippage to determine the braking. Forming a pressure regulation signal. Regulatory channels 124 and 126
The output signals of are supplied to brake circuits 136 and 138, respectively, including a power amplifier and a brake pressure regulating solenoid valve.
本発明により車両の荷重状態を判別する判別回路１７０
が設けられて、一方または他方の調節チャネル１２４．
１２６を他方または一方の制動回路１３８．１３６へ切
換え接続する切換え装置 。Discrimination circuit 170 for determining the load state of a vehicle according to the present invention
are provided to control one or the other adjustment channel 124 .
126 to the other or one braking circuit 138.136.
とじての論理回路１３２．１３４を操作する。この論理
ゆ回路１３２．１３４はそれぞれ調節チャネルに属する
ＡＮＤゲート１４２を含み、その２つの入力端はそれが
属する調節チャネル１２４または１２６と判別回路１７
０とにそれぞれ接続され、その出力端はそれぞれ付属す
る調節チャネルの出力信号を制動回路へ与えるＯＲゲー
ト１４３の他方の入力端へ接続されている。The closing logic circuits 132 and 134 are operated. These logic circuits 132, 134 each include an AND gate 142 belonging to the control channel, whose two inputs are the control channel 124 or 126 to which it belongs and the discriminator circuit 17.
0 respectively, and their outputs are connected to the other inputs of an OR gate 143 which supplies the output signal of the respective associated regulating channel to the braking circuit.
判別回路１７０は、車両の板ばねの撓み、荷重に関係す
る制動力調整器（ＡＬＢ ）のレバー位置またはＡＬＢ
の前後の差圧から、例えばポテンショメータによりこれ
らの機械的量に対応する電気量を求め、この電気量が所
定の限界値を超過すると、高レベル信号を発生し、この
信号が論理回路１３２および１３４のＡＮＤゲートを導
通させ、ＯＲゲート１４３をそれぞれ介して両方の制動
回路１３６．１３８を低い方の摩擦係数で回転する車輪
に付属する調節チャネルへ共通に切換える（低選択調節
への切換え）。The discrimination circuit 170 determines the lever position of the braking force regulator (ALB) or the ALB, which is related to the deflection and load of the leaf spring of the vehicle.
From the differential pressure across the , electrical quantities corresponding to these mechanical quantities are determined, for example by means of a potentiometer, and if this quantity exceeds a predetermined limit value, a high level signal is generated, which is activated by the logic circuits 132 and 134. conducts the AND gates 143 and jointly switches both braking circuits 136, 138 via the respective OR gates 143 to the regulating channel associated with the wheel rotating with the lower coefficient of friction (switching to low selection regulation).
【図面の簡単な説明】
図は本発明実施例の構成図である。
１２０、１２２・・・回転検出器、１２４．１２６・・
・調節チャネル、１３２．１３４・・・切換え装置（論
理回路） 、１３６．１３８・・・制動回路、１７０・
・・判別回路。
シュレンクテル・ハフツングBRIEF DESCRIPTION OF THE DRAWINGS The figure is a configuration diagram of an embodiment of the present invention. 120, 122... Rotation detector, 124.126...
・Adjustment channel, 132.134...Switching device (logic circuit), 136.138...Brake circuit, 170・
...Discrimination circuit. Schlenktel Haftsung
Claims (1)
る回転検出器と、これら回転検 出器にそれぞれ接続されて車輪の加速度、 減速度および滑りの限界値回路を含み回転 検出器の出力信号を処理して制動圧力調節 信号を発生する調節チャネルと、出力増幅 器と制動圧力調節電磁弁とをそれぞれ含み 調節チャネルの出力信号に応じて車輪の制 動圧力を形成する制動回路と、車両の荷重 状態を判別する判別回路と、この判別回路 の出力信号に応じて一方または他方の車輪 に付属する調節チャネルを他方または一方 の車輪に付属する制動回路へ切換え接続す る切換え装置とを有し、判別回路が、荷重 に関係する量を限界値と比較して、所定の 限界値超過の際切換え装置を操作し、この 切換え装置が、低い方の摩擦係数で回転す る車輪に付属する調節チャネルを、高い方 の摩擦係数で回転する車輪に付属する制動 回路へも接続して、両制動回路の共通調節 を行なうことを特徴とする、固着防止車両 制動用回路装置。 ２ 切換え装置が調節チャネルにそれぞれ付属するＡＮ
Ｄゲートをもつ論理回路で、その属する調節チャネルの
出力信号と判別回路 の出力信号とを入力端に受けることを特徴 とする、特許請求の範囲第１項に記載の装 置。[Scope of Claims] 1. A rotation detector that detects the rotation speed of at least two wheels, and a rotation detector that is connected to each of these rotation detectors and includes limit value circuits for acceleration, deceleration, and slippage of the wheels. a regulating channel that processes the output signal to generate a braking pressure regulating signal; a braking circuit that includes an output amplifier and a braking pressure regulating solenoid valve and forms a braking pressure for a wheel according to the output signal of the regulating channel; It has a discrimination circuit that discriminates the load state, and a switching device that switches and connects the adjustment channel attached to one or the other wheel to the braking circuit attached to the other or one wheel according to the output signal of the discrimination circuit, A determination circuit compares the load-related quantity with a limit value and operates a switching device in the event of a predetermined limit value being exceeded, which switching device selects the adjustment channel associated with the wheel rotating with the lower coefficient of friction. A circuit device for anti-stick vehicle braking, characterized in that it is also connected to a braking circuit attached to a wheel that rotates with a higher coefficient of friction, and performs common adjustment of both braking circuits. 2 AN in which a switching device is attached to each regulating channel
2. The device according to claim 1, characterized in that the logic circuit has a D gate and receives at its input end the output signal of the adjustment channel to which it belongs and the output signal of the discrimination circuit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2705737.0 | 1977-02-11 | ||
| DE19772705737 DE2705737A1 (en) | 1977-02-11 | 1977-02-11 | Monitoring system for anti-skid brakes - has two regulator channels which change over when signal duration exceeds threshold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63297161A true JPS63297161A (en) | 1988-12-05 |
| JPH029982B2 JPH029982B2 (en) | 1990-03-06 |
Family
ID=6000907
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP899878A Granted JPS5399184A (en) | 1977-02-11 | 1978-01-31 | Watching method and device for running condition of vehicle equipped with device for preventing and adjusting lock |
| JP29791987A Granted JPS63297161A (en) | 1977-02-11 | 1987-11-27 | Fixation preventive car braking circuit device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP899878A Granted JPS5399184A (en) | 1977-02-11 | 1978-01-31 | Watching method and device for running condition of vehicle equipped with device for preventing and adjusting lock |
Country Status (2)
| Country | Link |
|---|---|
| JP (2) | JPS5399184A (en) |
| DE (1) | DE2705737A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2855326A1 (en) * | 1978-12-21 | 1980-07-17 | Wabco Fahrzeugbremsen Gmbh | CIRCUIT ARRANGEMENT FOR IMPROVING DRIVING STABILITY IN THE BRAKE CASE OF VEHICLES WITH BLOCK-PROTECTED VEHICLE BRAKE SYSTEMS |
| JPS59155262U (en) * | 1983-04-05 | 1984-10-18 | 三菱自動車工業株式会社 | 4-wheel anti-skid brake device |
| DE3417019A1 (en) * | 1984-05-09 | 1985-11-14 | Alfred Teves Gmbh, 6000 Frankfurt | CIRCUIT ARRANGEMENT FOR A SLIP-CONTROLLED VEHICLE BRAKE SYSTEM |
| DE3429156C2 (en) * | 1984-08-08 | 1994-06-23 | Teves Gmbh Alfred | Circuit arrangement for monitoring and controlling an anti-lock brake system |
| GB8905311D0 (en) * | 1989-03-08 | 1989-04-19 | Lucas Ind Plc | Electronic braking system |
| WO1991008935A1 (en) * | 1989-12-16 | 1991-06-27 | Robert Bosch Gmbh | Anti-lock control system |
| GB9306979D0 (en) * | 1993-04-03 | 1993-05-26 | Grau Ltd | Vehicle braking system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3544172A (en) * | 1968-12-16 | 1970-12-01 | Bendix Corp | Adaptive braking system false trigger hold-off circuit |
| DE2057973C2 (en) * | 1970-11-25 | 1984-07-05 | Robert Bosch Gmbh, 7000 Stuttgart | Brake force control system |
| US3727992A (en) * | 1971-03-15 | 1973-04-17 | Gen Motors Corp | Anti-lock brake control system |
| JPS5534009B2 (en) * | 1971-09-25 | 1980-09-04 | ||
| GB1444550A (en) * | 1972-11-25 | 1976-08-04 | Dunlop Ltd | Anti-skid systems |
| DE2262567A1 (en) * | 1972-12-21 | 1974-06-27 | Teldix Gmbh | ANTI-LOCK CONTROL SYSTEM FOR THE TOWING CAR OF A VEHICLE |
| JPS5033391A (en) * | 1973-07-28 | 1975-03-31 |
-
1977
- 1977-02-11 DE DE19772705737 patent/DE2705737A1/en active Granted
-
1978
- 1978-01-31 JP JP899878A patent/JPS5399184A/en active Granted
-
1987
- 1987-11-27 JP JP29791987A patent/JPS63297161A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028936B2 (en) | 1990-02-27 |
| JPS5399184A (en) | 1978-08-30 |
| JPH029982B2 (en) | 1990-03-06 |
| DE2705737A1 (en) | 1978-08-17 |
| DE2705737C2 (en) | 1988-04-28 |
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