JP2563911B2 - Monitoring device for rotation speed sensor - Google Patents
Monitoring device for rotation speed sensorInfo
- Publication number
- JP2563911B2 JP2563911B2 JP61274245A JP27424586A JP2563911B2 JP 2563911 B2 JP2563911 B2 JP 2563911B2 JP 61274245 A JP61274245 A JP 61274245A JP 27424586 A JP27424586 A JP 27424586A JP 2563911 B2 JP2563911 B2 JP 2563911B2
- Authority
- JP
- Japan
- Prior art keywords
- speed sensor
- rotation speed
- potential
- monitoring device
- output terminal
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
-
- 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
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/88—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
- B60T8/885—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
-
- 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
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/416—Wheel speed sensor failure
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Regulating Braking Force (AREA)
- Control Of Electric Motors In General (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は特許請求の範囲第１項の上位概念に記載の誘
導形回転数センサ用監視装置に関する。Description: FIELD OF THE INVENTION The present invention relates to a monitoring device for an induction type rotation speed sensor according to the general concept of claim 1.
従来の技術 このような監視装置は例えばドイツ連邦共和国特許第
2942442号明細書より公知である。PRIOR ART Such a monitoring device is disclosed, for example, in the German Patent No.
It is known from the specification of 2942442.
発明の効果 それに対し、本発明の構成要件を備えた解決法は以下
の利点を有する。すなわち、障害個所を標定できるとと
もに障害の種類を特定することができる。また、識別回
路を評価回路の後に接続するのではなく回転数センサの
プラグに直接接続できるので、評価回路での欠陥が監視
回路に影響を与えないようにすることができる。Effects of the Invention On the other hand, the solution provided with the constituent features of the invention has the following advantages. That is, the location of the failure can be located and the type of failure can be specified. Further, since the identification circuit can be directly connected to the plug of the rotation speed sensor instead of being connected after the evaluation circuit, it is possible to prevent a defect in the evaluation circuit from affecting the monitoring circuit.
実施例 以下、本発明の実施例を図を用いて詳細に説明する。Examples Hereinafter, examples of the present invention will be described in detail with reference to the drawings.
第１図は監視装置が回転数センサに接続されている本
発明の実施例のブロツク回路図、第２図は本発明の実施
例の監視装置の簡単な回路図である。FIG. 1 is a block circuit diagram of an embodiment of the present invention in which the monitoring device is connected to a rotation speed sensor, and FIG. 2 is a simple circuit diagram of the monitoring device of the embodiment of the present invention.
第１図において１は回転数センサであり、その出力端
子はコンデンサ２と３を介して信号変換器４に接続され
ている。回転数センサ１は例えば自動車の車輪の回転数
を検知することができ、信号変換器４とともにアンチス
キツド制御装置の一部を構成している。信号変換器４は
例えば変換器の周波数が回転数に比例する回転数センサ
出力信号をデジタル速度信号に変換し、そのデジタル速
度信号を線５を介してアンチスキツド制御装置の評価回
路に供給する。In FIG. 1, reference numeral 1 is a rotation speed sensor, the output terminal of which is connected to a signal converter 4 via capacitors 2 and 3. The rotation speed sensor 1 can detect the rotation speed of, for example, the wheel of the automobile, and constitutes a part of the anti-skidding control device together with the signal converter 4. The signal converter 4 converts the rotational speed sensor output signal, for example, whose frequency is proportional to the rotational speed, into a digital speed signal and supplies this digital speed signal to the evaluation circuit of the anti-skidding control device via the line 5.
信号変換器４に並列に、回転数センサ１の出力端子に
は監視ユニツト６も接続されており、その監視ユニツト
６は障害発生の場合出力線７と８を介して障害発生信号
F1またはF2あるいはF1とF2を送出し、これらの信号によ
つて回転数センサ内の所定の欠陥を表す。In parallel with the signal converter 4, a monitoring unit 6 is also connected to the output terminal of the rotation speed sensor 1, and the monitoring unit 6 outputs a fault occurrence signal via output lines 7 and 8 when a fault occurs.
It emits F 1 or F 2 or F 1 and F 2 and these signals represent a predetermined fault in the speed sensor.
第２図は再び回転数センサ１と出力側７と８を有する
監視ユニツト６を示す。しかし監視回路６はここでは詳
しく示されてある。FIG. 2 again shows a monitoring unit 6 with a speed sensor 1 and outputs 7 and 8. However, the monitoring circuit 6 is shown here in detail.
回転数センサ１の出力側に抵抗R1とR2が接続されてお
り、その抵抗R1,R2は電圧源の両極（端子11とアース）
に接続されている。電圧源の両極から直流が回転数セン
サに供給され、それにより通常は回転数センサ（回転数
センサ１の内部抵抗≪R1,R2）の出力側には所定の電位P
1とP2が発生する。抵抗R3とR4及びコンデンサC3とC4を
介してこの電位P1とP2は比較回路V1とV2の入力側に供給
される。比較回路V1とV2の別の入力側には、一定電圧の
かかつている分圧器R5,R6とR7から導出された異なる大
きさの、また抵抗R5〜R7の選択により決まる固定の比較
電位P3とP4が供給される。入力側への電位P1とP2及び異
なつた極性の比較電位P3とP4の印加によつて、比較回路
V1は電位P1ひいては電位P2が比較電位P3を上回るのを監
視し、この電位P3越えた時、出力信号F1を送出する。こ
れは、例えば回転数センサあるいはそのリード線の短絡
をP1より大きい電位で示しているのである。反対に、電
位P2が比較電位P4を下回り、つまりP2が降下した時は比
較回路V2が出力信号F2を送出する。これは、例えば回転
数センサまたはそのリード線の短絡をP2より小さい電位
で示しているのである。On the output side of the speed sensor 1 resistance R 1 and R 2 are connected, the resistance R 1, R 2 is a voltage source poles (terminal 11 and ground)
It is connected to the. Direct current is supplied from both poles of the voltage source to the rotation speed sensor, so that the output of the rotation speed sensor (internal resistance << R 1 , R 2 of the rotation speed sensor 1) normally has a predetermined potential P.
1 and P 2 occur. The potentials P 1 and P 2 are supplied to the input side of the comparison circuits V 1 and V 2 via the resistors R 3 and R 4 and the capacitors C 3 and C 4 . To another input of the comparator circuit V 1 and V 2 are different sizes were derived from the constant voltage once there divider whether R 5, R 6 and R 7, also determined by the choice of resistor R 5 to R 7 Fixed comparison potentials P 3 and P 4 are supplied. By applying the potentials P 1 and P 2 and the comparison potentials P 3 and P 4 of different polarities to the input side,
V 1 monitors that the potential P 1 and thus the potential P 2 exceeds the comparison potential P 3, and when it exceeds this potential P 3 , it outputs the output signal F 1 . This indicates, for example, a short circuit of the rotation speed sensor or its lead wire with a potential larger than P 1 . On the contrary, when the potential P 2 falls below the comparison potential P 4 , that is, when P 2 drops, the comparison circuit V 2 outputs the output signal F 2 . This indicates, for example, a short circuit of the speed sensor or its leads with a potential smaller than P 2 .
最後に、回転数センサ１あるいはそのリード線に断線
が生じると、電位P1は上昇し、かつ電位P2は降下して、
比較回路V1とV2はそれぞれ出力信号F1並びにF2を送出す
る。Finally, when the rotational speed sensor 1 or its lead wire is broken, the potential P 1 rises and the potential P 2 falls,
The comparator circuits V 1 and V 2 deliver output signals F 1 and F 2 , respectively.
前記に述べた３種の障害は、信号F1とF2の異なつた低
−及び高電位の組み合せによつて指示される。Three disorders mentioned above, the different ivy low signal F 1 and F 2 - and O is connexion instructs the combination of high potential.
第１図は回転数センサを有する本発明の実施例の簡単な
ブロツク図、第２図は回転数センサを有する本発明の実
施例の監視装置の回路図である。 １……回転数センサ、４……信号変換器、６……監視装
置、F1,F2……出力信号、P1,P2……電位、P3,P4……基
準電位、V1,V2……比較装置FIG. 1 is a simplified block diagram of an embodiment of the present invention having a rotation speed sensor, and FIG. 2 is a circuit diagram of a monitoring device of an embodiment of the present invention having a rotation speed sensor. 1 ...... speed sensor, 4 ...... signal converter, 6 ...... monitoring device, F 1, F 2 ...... output signal, P 1, P 2 ...... potential, P 3, P 4 ...... reference potential, V 1 , V 2 …… Comparison device
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭58−193472（ＪＰ，Ａ) 実開 昭59−122696（ＪＰ，Ｕ) 実開 昭59−72845（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-58-193472 (JP, A) Actually opened 59-122696 (JP, U) Actually opened 59-72845 (JP, U)
Claims (2)
例した交流電圧信号を発生する回転数センサ用監視装置
であって、 回転数センサには接続された抵抗を介して定電流が印加
され、 一方の出力端子の電位（P1）が比較装置にて基準電位
（P3）と比較され、 出力端子の電位と基準電位とが異なる際に発生する比較
装置の出力信号が障害指示信号（F1,F2）として使用さ
れる回転数センサ用監視装置において、 回転数センサ（１）の出力端子は、回転数センサ（１）
の内部抵抗に比較して非常に大きな抵抗を介して直流電
圧源の極およびアースに接続されており、 他方の出力端子の電位（P2）が別の比較電位（P4）と比
較され、 当該電位が異なる際に発生した比較装置の出力信号が障
害指示信号（F1,F2）として使用され、 前記基準電位（P3）は、回転数センサおよびその線路が
出力端子の電位（P1）より大きな電位との短絡の際に障
害指示信号が発生されるように選択されていることを特
徴とする回転数センサ用監視装置。1. A rotation speed sensor monitoring device for generating an AC voltage signal proportional to the rotation speed based on the rotation of a pole wheel, wherein a constant current is applied to the rotation speed sensor via a resistor connected to the rotation speed sensor. The potential of one output terminal (P 1 ) is compared with the reference potential (P 3 ) by the comparator, and the output signal of the comparator generated when the potential of the output terminal and the reference potential are different is the fault indication signal (F In the rotation speed sensor monitoring device used as 1 , F 2 ), the output terminal of the rotation speed sensor (1) is connected to the rotation speed sensor (1).
It is connected to the pole of the DC voltage source and ground through a resistance that is very large compared to the internal resistance of, and the potential of the other output terminal (P 2 ) is compared with another comparison potential (P 4 ), The output signal of the comparison device generated when the potentials are different is used as the fault indication signal (F 1 , F 2 ), and the reference potential (P 3 ) is the potential of the rotation speed sensor and its line at the output terminal (P 1 ) A monitoring device for a rotation speed sensor, which is selected so that a fault indication signal is generated in the case of a short circuit with a larger potential.
P2）を基準電位（P3とP4）と比較した際、両比較装置
（V1とV2）において出力信号（F1とF2）が発生した場合
は断線として評価される特許請求の範囲第１項記載の回
転数センサ用監視装置。2. The potential of the quantity output terminal of the rotation speed sensor (P 1 and
P 2) when compared with the reference potential (P 3 and P 4) and claimed output signal in both the comparison device (V 1 and V 2) (F 1 and F 2) is the case that occurred that evaluates to a disconnection 2. A monitoring device for a rotation speed sensor according to claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3541852.4 | 1985-11-27 | ||
| DE19853541852 DE3541852C2 (en) | 1985-11-27 | 1985-11-27 | Monitoring arrangement for speed sensors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62156564A JPS62156564A (en) | 1987-07-11 |
| JP2563911B2 true JP2563911B2 (en) | 1996-12-18 |
Family
ID=6286935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61274245A Expired - Fee Related JP2563911B2 (en) | 1985-11-27 | 1986-11-19 | Monitoring device for rotation speed sensor |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2563911B2 (en) |
| AT (1) | AT394908B (en) |
| DE (1) | DE3541852C2 (en) |
| FR (1) | FR2590677B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102714407A (en) * | 2009-11-23 | 2012-10-03 | 皮尔茨公司 | Safety circuit assembly and method for the fail-safe monitoring of a movement variable |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2712363B2 (en) * | 1988-09-06 | 1998-02-10 | アイシン精機株式会社 | Signal input device for power generation type rotational speed sensor |
| DE3831193A1 (en) * | 1988-09-14 | 1990-03-29 | Wabco Westinghouse Fahrzeug | TRANSMITTER ERROR DETECTION CIRCUIT |
| DE4211622A1 (en) * | 1992-04-07 | 1993-10-14 | Bosch Gmbh Robert | Procedure for monitoring speed sensors |
| DE4216142A1 (en) * | 1992-05-15 | 1993-11-18 | Knorr Bremse Ag | Method and device for monitoring a sensor |
| JPH09178512A (en) * | 1995-12-28 | 1997-07-11 | Mitsubishi Electric Corp | Sensor system and sensor |
| DE19611503C1 (en) * | 1996-03-23 | 1997-05-07 | Bosch Gmbh Robert | Device for transferring signals generated by passive sensors |
| DE102009055991A1 (en) * | 2009-11-23 | 2011-05-26 | Pilz Gmbh & Co. Kg | Safety circuit arrangement for fail-safe monitoring of parameter i.e. speed, of moving machine part of automatically operating machine, has measuring device connected with tap to detect whether interfering signal reaches signal level |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3825307A (en) * | 1973-04-13 | 1974-07-23 | Bendix Corp | Means for detecting failure of various elements of an adaptive braking system through the use of trickle currents |
| US3920284A (en) * | 1974-05-10 | 1975-11-18 | Eaton Corp | Monitoring circuitry for a skid control system |
| US4109234A (en) * | 1976-02-27 | 1978-08-22 | Motorola, Inc. | Anti skid fault detection circuit |
| DE2847522A1 (en) * | 1978-11-02 | 1980-05-14 | Bosch Gmbh Robert | INDUCTIVE ENCODER AND EVALUATION HERE |
| DE2942442C2 (en) * | 1979-10-20 | 1984-01-05 | Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover | Monitoring device for speed sensor |
| DE2948198C2 (en) * | 1979-11-30 | 1986-09-04 | Robert Bosch Gmbh, 7000 Stuttgart | Evaluation circuit for electrical signals |
| JPS58193472A (en) * | 1982-05-07 | 1983-11-11 | Hitachi Ltd | Detector signal processing circuit with abnormality diagnosis apparatus |
| JPS5918465A (en) * | 1982-07-23 | 1984-01-30 | Matsushita Electric Ind Co Ltd | Sensor disconnection detection circuit |
| DE3235660A1 (en) * | 1982-09-27 | 1984-03-29 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for monitoring an electrical sensor for interruption and bypassing |
| JPS5972845U (en) * | 1982-11-02 | 1984-05-17 | 株式会社明電舎 | Coil failure detection device |
| JPS59122696U (en) * | 1983-02-04 | 1984-08-18 | 三菱自動車工業株式会社 | Disconnection detection device for sensors |
| SE442066B (en) * | 1984-04-26 | 1985-11-25 | Bruss Polt I | SPEED RATE SEATING DEVICE |
-
1985
- 1985-11-27 DE DE19853541852 patent/DE3541852C2/en not_active Expired - Fee Related
-
1986
- 1986-11-19 JP JP61274245A patent/JP2563911B2/en not_active Expired - Fee Related
- 1986-11-26 AT AT315886A patent/AT394908B/en not_active IP Right Cessation
- 1986-11-27 FR FR8616560A patent/FR2590677B1/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102714407A (en) * | 2009-11-23 | 2012-10-03 | 皮尔茨公司 | Safety circuit assembly and method for the fail-safe monitoring of a movement variable |
| CN102714407B (en) * | 2009-11-23 | 2015-11-25 | 皮尔茨公司 | For safety circuit device and the method for failure safe ground monitoring moving variable |
Also Published As
| Publication number | Publication date |
|---|---|
| ATA315886A (en) | 1991-12-15 |
| DE3541852A1 (en) | 1987-06-04 |
| DE3541852C2 (en) | 1997-08-21 |
| FR2590677B1 (en) | 1989-12-15 |
| AT394908B (en) | 1992-07-27 |
| JPS62156564A (en) | 1987-07-11 |
| FR2590677A1 (en) | 1987-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3189149B2 (en) | Voltage detection circuit of polyphase alternator | |
| JP3262594B2 (en) | Device for monitoring the electric load of a vehicle | |
| KR960040771A (en) | Diagnostic Detection Device and Method for Hall Effect Digital Tooth Sensor | |
| JP2563911B2 (en) | Monitoring device for rotation speed sensor | |
| JPH0621799B2 (en) | Magnetoresistive differential sensor device | |
| US4086524A (en) | Charge monitor for electric battery | |
| JP2000333359A (en) | Grounding fault-detecting device for mechanically/ electrically integrated system | |
| JP3374543B2 (en) | Control device for vehicle alternator | |
| US5579235A (en) | Method of monitoring rpm sensors | |
| US4659978A (en) | Regulator overvoltage circuit | |
| JP2973444B2 (en) | Short circuit detection device for potentiometer type sensor | |
| JPH0325275Y2 (en) | ||
| JPH11218256A (en) | Solenoid valve diagnosing device | |
| JPS61232936A (en) | Device for warning bad contact of battery connector terminal | |
| JPS5950712A (en) | Load shortcircuit protecting circuit | |
| JPS6074926A (en) | Detecting circuit | |
| JPH05133962A (en) | Trouble shooting apparatus for wheel speed sensor signal system | |
| JPS62112070A (en) | Detecting device for wire breaking of sensor | |
| JP4031060B2 (en) | Reduced wiring reset circuit | |
| JP3486277B2 (en) | EP power supply | |
| JPH0695120B2 (en) | Electronic component measuring device | |
| JPH03264B2 (en) | ||
| JPH03194477A (en) | Self-diagnostic method for insulation resistance measuring device | |
| JPS62181618A (en) | Grounding protective circuit | |
| JPS5842203Y2 (en) | Fault detection circuit for adaptive braking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |