KR0168558B1 - Method and device for measuring abs sensoring degree for a vehicle - Google Patents
Method and device for measuring abs sensoring degree for a vehicle Download PDFInfo
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- KR0168558B1 KR0168558B1 KR1019950041087A KR19950041087A KR0168558B1 KR 0168558 B1 KR0168558 B1 KR 0168558B1 KR 1019950041087 A KR1019950041087 A KR 1019950041087A KR 19950041087 A KR19950041087 A KR 19950041087A KR 0168558 B1 KR0168558 B1 KR 0168558B1
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- abs
- vehicle
- abs sensor
- sensor ring
- ring
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000000691 measurement method Methods 0.000 abstract 1
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D67/00—Combinations of couplings and brakes; Combinations of clutches and brakes
- F16D67/02—Clutch-brake combinations
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- 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
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- 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
- B60T2270/10—ABS control systems
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
본 발명은 자동차 ABS 센서링의 정도(精度)를 측정하는 방법 및 그 장치에 관한 것으로서, 차속조건에 맞도록 가변속도를 갖는 구동수단과 센서 및 자기장의 변화를 읽을 수 있는 수단을 구비하여 ABS 센서링을 실차에 정착하지 않고서도 단품상태에서 정도측정을 가능하게 함으로써, 정도측정에 소요되는 기간을 대폭 단축할 수 있고, 실제 주행조건에서 발생되는 위험요소들을 완전히 배재할 수 있게 한 자동차의 ABS 센서링 정도측정 방법 및 그 장치를 제공하고자 한 것이다.The present invention relates to a method and apparatus for measuring the accuracy of automotive ABS sensor ring, ABS sensor comprising a drive means having a variable speed, a sensor and a means for reading the change of the magnetic field to match the vehicle speed conditions By measuring accuracy in a single unit without having to settle the ring in the vehicle, the ABS sensor of the vehicle can significantly reduce the time required for accuracy measurement and completely eliminate the risks generated under actual driving conditions. An object of the present invention is to provide a ring accuracy measurement method and apparatus.
Description
도면은 본 발명에 따른 ABS 센서링 정도측정 장치의 일구현예를 나타내는 개략도.Figure is a schematic diagram showing an embodiment of the ABS sensoring accuracy measuring device according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
10 : 모터 20 : 주베이스 브라켓10: motor 20: main base bracket
30 : 전류공급원 40 : ABS 센서링30: current source 40: ABS sensor ring
50 : 센서 60 : 보조베이스 브라켓50: sensor 60: auxiliary base bracket
70 : 베이스 플레이트70: base plate
본 발명은 자동차의 ABS 센서링 정도(精度)측정하는 방법 및 그 장치에 관한 것으로서, 특히 실차 장착후 실제 주행상태에서 측정하던 기존의 방법을 탈피하고 단품상태에서도 측정가능하게 함으로써, ABS 센서링의 정도측정을 보다 효율적으로 할 수 있으며, 측정결과에 대한 신뢰성을 높일 수 있게 한 자동차의 ABS 센서링 정도측정 방법 및 그 장치에 관한 것이다.The present invention relates to a method and a device for measuring the accuracy of ABS sensor ring of a vehicle, and in particular, it is possible to measure in a single state by removing the existing method measured in the actual driving state after mounting the actual vehicle, The present invention relates to a method and apparatus for measuring ABS sensor ring accuracy of a vehicle that can more accurately measure accuracy and improve reliability of a measurement result.
일반적으로 자동차의 ABS 센서링이란 브레이크 제어장치 즉, 앤티로크 브레이크 시스템(Antilock brake system)의 주요구성부품중의 하나로서, 허브와 일체로 회전하는 ABS 센서링의 회전속도를 휠스피드센서가 검출하여 전자제어유니트(ECU)에 보낼 수 있게 된다.In general, ABS sensor ring of automobile is one of the main components of brake control device, that is, antilock brake system, and the wheel speed sensor detects the rotation speed of ABS sensor ring that rotates integrally with hub. Can be sent to the electronic control unit (ECU).
여기서, 상기 ABS 센서링이 이빨깨짐 등의 손상을 입게 되면 휠스피드 센서는 바퀴의 회전속도를 정확하게 감지할 수 없으므로 ABS 센서링의 정도유지는 앤티로크 브레이크 시스템에서 큰 비중을 차지하게 됨을 알 수 있다.In this case, when the ABS sensor ring is damaged such as a tooth break, the wheel speed sensor cannot accurately detect the rotational speed of the wheel, and thus the ABS sensor ring can be understood that maintaining the accuracy of the ABS sensor ring occupies a large proportion in the anti-lock brake system. .
이러한 ABS 센서링의 정도를 측정하기 위해 기존에는 실차에 직접 장착한 다음 실제로 주행하면서 측정해 왔으나 이와 같은 측정방법은 측정소요기간이 매우 길고, 또한 상당한 위험요소를 안고 있어서 이에 대한 개선의 필요성이 절실히 요구되어 왔다.In order to measure the degree of such ABS sensor ring, it has been measured while directly mounted on the actual vehicle and actually driving. However, such a measuring method has a long measurement time and has a considerable risk factor, so the need for improvement is urgently needed. Has been required.
따라서, 본 발명은 이와 같은 점을 감안하여 안출한 것으로서, 차속조건에 맞도록 가변속도를 갖는 구동수단과, 센서 및 자기장의 변화를 읽을 수 있는 수단을 구비하여 ABS 센서링을 실차에 장착하지 않고서도 단품상태에서 정도측정을 가능하게 함으로써, 정도측정에 소요되는 기간을 대폭 단축할 수 있고, 실제 주행조건에서 발생되는 위험요소들을 완전히 배재할 수 있게 한 자동차의 ABS 센서링 정도측정 방법 및 그 장치를 제공하는데 그 목적이 있는 것이다.Accordingly, the present invention has been made in view of the above, and has a driving means having a variable speed to match the vehicle speed condition, and means for reading changes in the sensor and the magnetic field, without mounting the ABS sensor ring in the vehicle. The method and device for measuring ABS sensoring accuracy of a vehicle that can significantly shorten the time required for accuracy measurement by enabling accuracy measurement in a single unit state, and to completely eliminate risk factors generated under actual driving conditions. The purpose is to provide.
이하, 첨부도면을 참조하여 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
본 발명은 차량의 각 주행조건에 알맞도록 회전속도를 가변시킬 수 있는 구동수단을 구비하고, 여기에 ABS 센서링을 일체 결속하여 회전시켜 주는 과정과, 회전되는 ABS 센서링에 검출수단을 근접 배치하고, 이것들 상호간의 자기장 변화를 이용하여 가변 기전력을 발생시키는 과정과, 입력되는 기전력의 전위차를 신호파형으로 출력 되도록 하여 이때 나타나는 출력파형을 측정하는 과정으로 이루어진 것을 특징으로 한다.The present invention includes a driving means for varying the rotation speed to suit each driving condition of the vehicle, the process of binding and rotating the ABS sensor ring integrally, and the detection means in close proximity to the rotating ABS sensor ring And, it is characterized by consisting of the process of generating a variable electromotive force by using the change of the magnetic field between these, and the process of measuring the output waveform appearing at this time by outputting the potential difference of the input electromotive force as a signal waveform.
특히, 상기 구동수단에 직류펄스를 선택적으로 공급하는 방식으로 구동수단의 회전속도를 가변시킬 수 있는 것을 특징으로 한다.In particular, it is possible to vary the rotational speed of the drive means by selectively supplying a DC pulse to the drive means.
이를 좀 더 상세히 설명하면 다음과 같다.This will be described in more detail as follows.
본 발명의 ABS 센서링을 실제주행상태와 동일한 조건으로 회전시키기 위해 별도의 구동수단을 구비한다.In order to rotate the ABS sensor ring of the present invention in the same conditions as the actual driving state is provided with a separate drive means.
이때의 구동수단은 입력값에 따라 자체 속도제어가 가능한 DC 서브모터를 사용하고, 이것의 전원으로는 직류펄스를 선택적으로 공급할 수 있는 직류공급원(DC Power supply)을 적용하여, 차량의 저속 및 고속상태를 재현할 수 있게 한다.In this case, the driving means uses a DC sub-motor capable of controlling its own speed according to the input value, and the low-speed and high-speed of the vehicle is applied by applying a DC power supply capable of selectively supplying a DC pulse as its power source. It allows you to reproduce the state.
즉, 상기 구동수단인 서브모터가 차량의 각 속도모드에 알맞는 회전속도를 가변적으로 가질 수 있게 한다.That is, the sub-motor which is the driving means can have a rotation speed that is suitable for each speed mode of the vehicle.
이러한 구동수단의 축에 ABS 센서링을 장착하는 동시에 일체 회전될 수 있게 하여, ABS 센서링의 회전속도가 구동수단의 회전속도에 비례할 수 있게 한다.The ABS sensor ring can be mounted on the shaft of the drive means and rotated integrally, so that the rotation speed of the ABS sensor ring can be proportional to the rotation speed of the drive means.
이에 따라 상기 DC 서보모터의 전압(Voltage)을 조절하게 되면, 이것의 속도를 제어할 수 있으므로 여러 경우의 속도에 따른 ABS 센서링의 성능측정이 가능하다.Accordingly, when the voltage (Voltage) of the DC servomotor is adjusted, the speed thereof can be controlled, so that performance measurement of ABS sensor ring according to the speed in various cases is possible.
또한, 상기 ABS 센서링과 같은 상대부품의 회전운동 영향을 받아 기전력을 발생시킬 수 있는 검출수단을 구비하고, 이것을 ABS 센서링의 치형 형성부위에 근접배치하여, ABS 센서링의 치형변화에 따른 자기장으로 변화를 검출한다.In addition, it is provided with a detection means for generating an electromotive force under the influence of the rotational movement of the relative component, such as the ABS sensor ring, and placed close to the teeth forming portion of the ABS sensor ring, the magnetic field according to the change of the tooth shape of the ABS Detect changes.
이를 위하여 이때의 검출수단에는 영구자석과 코일이 갖추어져 있다. 만일, ABS 센서링이 정지상태에 있게 되면, 자기장의 변화가 없으므로 코일에는 전류가 유기되지 않으며, ABS 센서링이 회전하게 되면, 연자성체인 ABS 센서링의 치형이 갖는 요철형상에 의해 미세한 자기장의 변화가 발생한다.To this end, the detection means at this time is equipped with a permanent magnet and a coil. If the ABS sensor ring is in a stationary state, there is no change in the magnetic field, so no current is induced in the coil, and if the ABS sensor ring is rotated, the minute magnetic field is formed by the irregularities of the teeth of the ABS sensor ring, which is a soft magnetic material. Change occurs.
이에 따라 검출수단의 코일에는 전류가 발생하면서 전위차가 생기는데, 이때의 전위차를 신호파형으로 출력가능한 장치에 입력시킨다.As a result, a potential difference occurs while a current is generated in the coil of the detection means, and the potential difference is input to a device capable of outputting a signal waveform.
또한, 본 발명의 출력수단으로는 전위차의 변화상태를 신호파형으로 나타내는 장치인 오실로스코프(Osclloscope)를 사용한다.As the output means of the present invention, an oscilloscope, which is a device that shows the state of change in potential difference as a signal waveform, is used.
즉, 상기 검출수단을 오실로스코프에 접속하고, 검출수단으로부터 전달되는 전위차를 입력받을 수 있게 하여, 입력되는 전위차의 변화상태를 정현파 형태의 출력파형으로 화면상에 나타나게 함으로써, 이를 측정할 수 있게 해준다.That is, the detection means is connected to an oscilloscope, and the potential difference transmitted from the detection means can be input, so that the change state of the input potential difference appears on the screen as an output waveform in the form of a sine wave, thereby making it possible to measure it.
예를 들면, 차량의 여러 주행속도 조건에 따라 나타나는 각각의 출력파형이 갖는 진폭 및 주기가 설정 출력파형과 비교해서 다르게 나타날 때 즉, 균일한 파형으로 나타나지 않을 때, ABS 센서링의 정도에 문제가 있음을 알 수 있게 된다.For example, when the amplitude and period of each output waveform appear according to various driving speed conditions of the vehicle are different from the set output waveform, that is, the waveforms do not appear as uniform waveforms, there is a problem in the degree of ABS sensing. You will see that there is.
한편, 본 발명에 따른 ABS 센서링 정도측정 방법을 위한 장치의 일구현예를 첨부도면을 참조하여 살펴보면 다음과 같다.On the other hand, with reference to the accompanying drawings an embodiment of the device for measuring the ABS sensoring degree according to the present invention.
도면에서, 부호 10은 구동수단을 의미하는 모터를 나타내고, 11은 이 모터의 전류공급원을 나타낸다.In the figure, reference numeral 10 denotes a motor which means drive means, and 11 denotes a current supply source of this motor.
상기 모터(10)는 속도제어가 가능한 직류서보모터 이며, 베이스플레이트(70)상의 주 베이스 브라켓(20) 상단부에 수평설치되어 지지되고, 상기 전류공급원(30)과 접속되면서 전원을 공급받아 회전될 수 있게 된다.The motor 10 is a DC servo motor capable of speed control, and is horizontally installed at an upper end of the main base bracket 20 on the base plate 70 and is rotated by being supplied with power while being connected to the current supply source 30. It becomes possible.
상기 전류공급원(30)은 모터(10)에 직류펄스 형식으로 전류를 보내게 되고, 이때의 펄스수를 제어하면 모터(10)의 회전속도를 가변시킬 수 있게 된다.The current supply source 30 sends a current to the motor 10 in the form of a direct current pulse, and when the number of pulses is controlled at this time, the rotation speed of the motor 10 can be changed.
이러한 모터(10)의 축에는 ABS 센서링(40)이 일체장착되어 모터축과 함께 회전 가능하게 된다.The ABS sensor ring 40 is integrally mounted to the shaft of the motor 10 to be rotatable with the motor shaft.
또한, 도면부호 50은 검출수단을 의미하는 센서를 나타낸다.Reference numeral 50 denotes a sensor which means a detection means.
상기 센서(50)는 영구자석, 코일 및 전극막대를 내장한 인덕션 타입(Induction type)의 센서로서, 상대부품(에를들면, ABS 센서링)의 운동에 영향을 받아 전류를 발생시킬 수 있게 된다.The sensor 50 is an induction type sensor in which a permanent magnet, a coil, and an electrode bar are built, and is capable of generating a current by being influenced by the movement of a counterpart (eg, ABS sensor ring).
이러한 센서(50)는 상기 주베이스 브라켓(20)의 앞쪽에서 이와 나란하게 수직배치되는 보조베이스 브라켓(60)상에 수평설치되어 고정되고, 이때의 센서(50)가 갖는 전극막대의 선단은 ABS 센서링(40)의 치형 형성부위 즉, 외주면과 미소 간극을 유지하면서 근접위치될 수 있게 된다.The sensor 50 is horizontally installed and fixed on the auxiliary base bracket 60 vertically arranged side by side in front of the main base bracket 20, and the tip of the electrode rod of the sensor 50 at this time is ABS The tooth forming portion of the sensor ring 40, that is, the outer peripheral surface and the micro gap can be maintained while maintaining a close gap.
여기서, 상기 보조베이스 브라켓(20)도 베이스플레이트(70)상에 고정설치된다.Here, the auxiliary base bracket 20 is also fixed to the base plate 70.
이렇게 위치되는 전극막대와 ABS 센서링(40) 사이에는 자기장(Magnetic field)이 항상 존재하므로, 요철 형상의 치형이 회전되면서 전극막대와의 간극변화를 일으키게 되면, 이에 따른 자기장의 변화에 의해 상기 센서(50)의 코일에는 전류가 발생되고, 이때의 전위차를 후술하는 출력수단으로 보낼 수 있게 된다.Since a magnetic field is always present between the electrode rod positioned in this way and the ABS sensor ring 40, when the teeth of the uneven shape are rotated to cause a gap change with the electrode rod, the sensor is changed by the magnetic field. A current is generated in the coil 50, and the potential difference at this time can be sent to the output means described later.
또한, 도면부호 60은 출력수단을 의미하는 오실로스코프를 나타낸다.Reference numeral 60 denotes an oscilloscope which means an output means.
상기 오실로스코프(60)는 상기 센서(50)와 접속되어 있으며, 이것으로부터 전위차를 입력받을 수 있게 된다.The oscilloscope 60 is connected to the sensor 50, from which the potential difference can be input.
이러한 오실로스코프(60)는 센서(50)로부터 전위차를 입력받아 이를 정현파 형태의 신호파형으로 출력하게 되며, 이때의 출력은 화면을 통해서 이루어지게 된다.The oscilloscope 60 receives the potential difference from the sensor 50 and outputs it as a signal waveform in the form of a sine wave, and the output is made through the screen.
따라서, 오실로스코프(60)의 화면에 나타난 출력파형을 분석하게 되면, ABS 센서링(40)의 정도를 용이하게 측정할 수 있게 된다.Therefore, when the output waveform displayed on the screen of the oscilloscope 60 is analyzed, the degree of the ABS sensor ring 40 can be easily measured.
이상에서와 같이 본 발명은 ABS 센서링의 정도측정을 단품상태에서 행할 수 있는 장치 및 그 방법을 제공함으로써, ABS 센서링의 개발비용을 절감할 수 있으며 실차성능시험 등의 선행단계에서 단품의 성능을 평가하게 되므로 개발에 따른 위험요소를 배제할 수 있는 특장점이 있는 것이다.As described above, the present invention can reduce the development cost of the ABS sensor ring by providing an apparatus and a method which can measure the degree of accuracy of the ABS sensor ring in a single unit state, and perform the performance of the unit in a preceding step such as a real vehicle performance test. As a result of this evaluation, there is a merit that can exclude the risks of development.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950041087A KR0168558B1 (en) | 1995-11-13 | 1995-11-13 | Method and device for measuring abs sensoring degree for a vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950041087A KR0168558B1 (en) | 1995-11-13 | 1995-11-13 | Method and device for measuring abs sensoring degree for a vehicle |
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| Publication Number | Publication Date |
|---|---|
| KR970028477A KR970028477A (en) | 1997-06-24 |
| KR0168558B1 true KR0168558B1 (en) | 1999-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950041087A KR0168558B1 (en) | 1995-11-13 | 1995-11-13 | Method and device for measuring abs sensoring degree for a vehicle |
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| Country | Link |
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| KR (1) | KR0168558B1 (en) |
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1995
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| KR970028477A (en) | 1997-06-24 |
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