KR19990080230A - Vehicle tilt measurement system - Google Patents

Vehicle tilt measurement system Download PDF

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Publication number
KR19990080230A
KR19990080230A KR1019980013313A KR19980013313A KR19990080230A KR 19990080230 A KR19990080230 A KR 19990080230A KR 1019980013313 A KR1019980013313 A KR 1019980013313A KR 19980013313 A KR19980013313 A KR 19980013313A KR 19990080230 A KR19990080230 A KR 19990080230A
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South Korea
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vehicle
infrared
amount
infrared sensors
microcomputer
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KR1019980013313A
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Korean (ko)
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KR100258512B1 (en
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문승환
이정환
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신형인
금호산업 주식회사
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Priority to KR1019980013313A priority Critical patent/KR100258512B1/en
Publication of KR19990080230A publication Critical patent/KR19990080230A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/26Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

본 발명은 차량의 쏠림량을 측정할 수 있는 무인 자동화 시스템에 관한 것으로서, 대략 10㎝ 간격으로 다수개의 트랜스미터용 적외선 센서(1)가 설치되어 있는 포스트(6)를 측정구간(L2)의 피니시 라인부분(P)에 세운 다음 상기 포스트(6)가 세워진 지면에 상기 적외선 센서에서 방출된 적외선을 수광할 수 있도록 리시버용 적외선 센서(2)를 동일한 간격으로 설치하고, 이와 같은 상태에서, 각 적외선 센서(1,2)를 마이크로 프로세서가 내장되어 있는 마이크로 컴퓨터(3)에 전선으로 연결한 후, 상기 마이크로 컴퓨터(3)를 직렬통신 케이블(4)을 개재하여 컴퓨터(5)와 연결함을 특징으로 한다.The present invention relates to an unmanned automated system that can measure the amount of tilt of the vehicle, the finish line of the measuring section (L2) to the post (6) is provided with a plurality of transmitter infrared sensors (1) at approximately 10 cm intervals After mounting on the part P, the infrared sensors 2 for receivers are installed at equal intervals so as to receive the infrared rays emitted from the infrared sensors on the ground on which the posts 6 are set up, and in this state, each infrared sensor (1,2) is connected to the microcomputer (3) in which the microprocessor is built, and then the microcomputer (3) is connected to the computer (5) via a serial communication cable (4). do.

Description

차량의 쏠림량 측정 시스템Vehicle tilt measurement system

본 발명은 차량의 쏠림량을 실차시험을 통해 측정하는 측정시스템에 관한 것이다.The present invention relates to a measurement system for measuring the amount of tilt of the vehicle through a real vehicle test.

일반적으로, 타이어는 겉으로 보기에는 내부구조가 균일한 것 같으나, 제조공정상에는 피할 수 없는 불량요인들, 예컨대 작업자의 기량이라든지 고무시트의 운반중에 일어나는 부분가류, 건조불량 또는 에어입 등과 같은 무수히 많은 불량요인들이 잠재해 있고, 또한 차량에 있어서도 제조공정상의 불량요인들, 예를 들어 휠 얼라인먼트 불량과 같은 요인들이 잠재해 있기 때문에, 타이어를 실제 차량에 장착하여 주행하다 보면 운전자의 뜻대로 차량 진행방향을 제어할 수 없는 경우가 많다.In general, tires seem to have a uniform internal structure, but inevitable defects in the manufacturing process, such as innumerable defects such as worker's skill or partial vulcanization, poor drying or airing, etc. Since there are potential factors and there are also potential factors in manufacturing processes, such as poor wheel alignment, in the vehicle, driving the tires in the actual vehicle will change the direction of the vehicle as the driver wishes. It is often not possible to control.

상기와 같은 저해요소들은 작업현장에서 늘상 발생되는 것이면서도 현실적으로는 도저히 제거할 수 없는 것들이기 때문에, 실차시험(實車試驗)을 통해 차량의 쏠림량을 측정한다.Since the above-mentioned inhibitors are always generated at the workplace and cannot be removed in reality, the amount of tilting of the vehicle is measured through a real vehicle test.

그러나, 종래의 실차시험은 도 2에서 참조되는 바와 같이, 100m의 조정구간(L1)에서 차량(C)이 일직선으로 주행되도록 한 다음, 100m의 측정구간(L2)에서 운전자가 핸들을 놓은 상태로 주행하여 측정구간의 끝에서 차량이 얼마나 쏠렸는가를 육안 측정하는 방식으로 행해져 왔기 때문에, 측정자에 따라서 육안 측정의 측정치에 오차가 발생됨은 물론 야외에 있는 주행로상에서 측정자가 측정활동을 함으로써 날씨가 춥거나 더울 경우 불편하다는 문제점이 있었다.However, in the conventional vehicle test, as shown in FIG. 2, the vehicle C runs in a straight line in the adjustment section L1 of 100 m, and then the driver releases the steering wheel in the measurement section L2 of 100 m. Since it has been performed by visually measuring how much the vehicle is tilted at the end of the measurement section, the measurement results of the visual measurement by the measurer are not only generated, but also the weather is cold due to the measurer's measurement activity on the outdoor road. There was a problem that it is uncomfortable or hot.

뿐만 아니라, 시험타이어가 장착된 차량의 쏠림량을 육안으로 측정하여 그 수치를 종이에 기입한 후, 그 수치를 컴퓨터에 입력하여 시험결과를 연산출력하는 과정에서, 작업자의 착오 등으로 잘못된 데이터가 도출될 가능성도 있다는 단점이 있었다.In addition, in the process of measuring the amount of tilt of the vehicle equipped with the test tire with the naked eye and writing the value on a paper, inputting the value into a computer, and calculating the test result and outputting the wrong data due to the operator's error, etc. There was a drawback that it could be derived.

따라서, 본 발명은 이러한 종래 실차시험에 내포되어 있던 오차발생 요인들을 배제하여 거의 완벽한 시험결과를 얻을 수 있는 차량의 쏠림량 측정시스템을 제공함에 목적이 있다.Accordingly, an object of the present invention is to provide a system for measuring the amount of tilt of a vehicle which can obtain a nearly perfect test result by excluding the error occurrence factors included in the conventional vehicle test.

본 발명에서는 이러한 상기의 목적을 달성하기 위하여, 차량의 쏠림량을 자동으로 검출할 수 있도록 측정구간의 끝부분에 포스트를 세워 여기에 대략 10㎝ 간격으로 적외선 센서를 설치하고, 각 적외선 센서는 전선을 통해 마이크로 컴퓨터에 연결하며, 상기 마이크로 컴퓨터는 연구실 등의 실내에 설치한 컴퓨터와 직렬통신 케이블로 연결함을 구성상 특징으로 한다.In the present invention, in order to achieve the above object, a post is placed at the end of the measuring section so as to automatically detect the amount of tilting of the vehicle, and installed infrared sensors at approximately 10 cm intervals, and each infrared sensor is connected to an electric wire. It is connected to a microcomputer through the microcomputer is characterized in that the configuration is connected to the serial communication cable with a computer installed in the room, such as a laboratory.

도 1은 본 발명에 따른 차량의 쏠림량 측정 시스템도,1 is a drawing amount measurement system of a vehicle according to the present invention,

도 2는 시험 타이어를 실제 차량에 장착하여 차량의 쏠림량을 측정하는 방법을 설명하기 위한 도면.2 is a view for explaining a method of measuring the amount of pulling of the vehicle by mounting a test tire on a real vehicle.

〔도면 부호의 설명〕[Description of Drawing Reference]

1...적외선 센서(트랜스미터), 2...적외선 센서(리시버),1 infrared sensor (transmitter), 2 infrared sensor (receiver),

3...마이크로 컴퓨터, 4...직렬통신 케이블,3 ... microcomputer, 4 ... serial communication cable,

5...컴퓨터, 6...포스트.5 ... computer, 6 ... post.

이하, 첨부된 도면을 참조하여 본 발명에 따른 차량의 쏠림량 측정시스템의 구성 및 작용을 설명한다.Hereinafter, with reference to the accompanying drawings will be described the configuration and operation of the vehicle amount measurement system according to the present invention.

도 1은 본 발명에 따른 차량의 쏠림량 측정 시스템도이다.1 is a system diagram of the amount of tilt of a vehicle according to the present invention.

본 발명에서는 도 2에 도시된 측정구간(L2)의 피니시 라인부분(P)에, 대략 10㎝ 간격으로 다수개의 적외선 센서(트랜스미터)(1)가 설치되어 있는 포스트(6)를 세운 다음, 상기 포스트(6)가 세워진 지면에, 상기 적외선 센서(트랜스미터)(1)에서 방출된 적외선을 수광할 수 있도록 적외선 센서(리시버)(2)를 동일한 간격으로 설치한다.In the present invention, the post 6, which is provided with a plurality of infrared sensors (transmitters) 1 at approximately 10 cm intervals, is placed in the finish line portion P of the measurement section L2 shown in FIG. On the ground on which the posts 6 are set up, infrared sensors (receivers) 2 are provided at equal intervals so as to receive infrared rays emitted from the infrared sensors (transmitters) 1.

이와 같은 상태에서, 각 적외선 센서(1,2)를 마이크로 프로세서가 내장되어 있는 마이크로 컴퓨터(3)에 전선으로 연결하고, 다시 상기 마이크로 컴퓨터(3)를 직렬통신 케이블(4)을 개재하여 컴퓨터(5)와 연결함으로써 측정 시스템이 구성된다. 이 때, 측정 정밀도를 높이기 위해서 측정구간(L2)의 스타트 라인부분(S)에 상기 포스트(6)를 더 세워 둘 수도 있다.In this state, each infrared sensor 1, 2 is connected to the microcomputer 3 in which the microprocessor is built, and the microcomputer 3 is connected to the computer via the serial communication cable 4 again. In connection with 5) the measuring system is constructed. At this time, the post 6 may be further placed on the start line portion S of the measurement section L2 in order to increase the measurement accuracy.

이와 같이 하여, 본 발명에 따른 차량의 쏠림량 측정 시스템의 설치가 완료되면, 먼저 트랜스미터용 적외선 센서(1)를 발광시킨 상태에서, 시험타이어가 장착된 차량을 주행시켜 측정구간(L2)의 스타트 라인부분을 통과하도록 함과 동시에 차량의 쏠림량을 측정하기 시작한다.In this way, when the installation of the vehicle amount measurement system according to the present invention is completed, the vehicle equipped with the test tire is first driven while the transmitter infrared sensor 1 is made to emit light to start the measurement section L2. As we pass through the line part, we begin to measure the amount of tilt of the vehicle.

시험타이어를 장착한 차량(C)이 아직 피니시 라인부분(P)에 도착하지 않은 상태에서는 트랜스미터용 적외선 센서(1)에서 방출된 광선이 지면에 설치된 리시버용 적외선 센서(2)에 의해 모두 감지되지만, 상기 차량이 포스트(6)를 통과할 때는 차체로 가려진 부분은 적외선이 도달할 수 없음으로, 이 부분에 놓인 리시버용 적외선 센서(2)는 적외선을 검출할 수 없게 된다.While the vehicle C equipped with the test tire has not yet arrived at the finish line portion P, all of the rays emitted from the infrared sensor 1 for the transmitter are detected by the infrared sensor 2 for the receiver installed on the ground. When the vehicle passes through the post 6, the part hidden by the vehicle body cannot reach the infrared ray, so that the infrared sensor 2 for the receiver placed at this portion cannot detect the infrared ray.

따라서, 적외선을 검출하지 못한 리시버용 적외선 센서(2)의 위치는 즉각적으로 마이크로 컴퓨터(3)에서 계측되어지며, 직렬통신 케이블(4)을 통해 그 결과치가 컴퓨터(5)에 전송된 후, 전송된 결과치를 바탕으로 차량의 쏠림량이 수치적으로 계산되어, 그 값이 컴퓨터의 데이터 베이스에 저장된다. 그러므로, 이러한 과정을 거쳐 시험결과 테이블(표)을 빠르고 정확하게 얻을 수 있게 된다.Therefore, the position of the infrared sensor 2 for the receiver which has not detected infrared rays is immediately measured in the microcomputer 3, and the result is transmitted to the computer 5 via the serial communication cable 4, and then transmitted. Based on the result, the amount of tilt of the vehicle is calculated numerically and stored in a computer database. Therefore, through this process, the test result table can be obtained quickly and accurately.

이상과 같이, 본 발명에 따른 차량의 쏠림량 측정 시스템은 적외선 센서로 차량의 쏠림량을 직접 측정함으로써 측정자에 따른 개인 오차를 배제할 수 있고, 따라서 대단히 빨리 높은 정밀도의 실험결과를 얻어 낼 수 있다.As described above, the vehicle amount measurement system according to the present invention can eliminate the individual error according to the measurer by measuring the vehicle amount directly by the infrared sensor, and thus it is possible to obtain a high precision experimental results very quickly. .

뿐만 아니라, 측정자가 필요없는 무인 시스템으로 이루어져 있기 때문에, 계절에 관계없이 실차시험을 할 수 있어, 소비자에게 더 좋은 성능의 타이어를 조기에 공급할 수 있는 공급시기 단축의 효과가 있다.In addition, since it consists of an unmanned system that does not require a measurer, the actual vehicle test can be performed regardless of the season, which can shorten the supply time for providing a better performance tire early.

Claims (1)

차량의 쏠림량을 측정하는 무인 자동화 시스템으로서,Unmanned automated system that measures the amount of tipping of the vehicle, 10㎝ 간격으로 다수개의 트랜스미터용 적외선 센서(1)가 설치되어 있는 포스트(6)를 측정구간(L2)의 피니시 라인부분(P)에 세운 다음 상기 포스트(6)가 세워진 지면에 상기 적외선 센서에서 방출된 적외선을 수광할 수 있도록 리시버용 적외선 센서(2)를 동일한 간격으로 설치하고, 이와 같은 상태에서, 각 적외선 센서(1,2)를 마이크로 컴퓨터(3)에 전선으로 연결한 후, 상기 마이크로 컴퓨터(3)를 직렬통신 케이블(4)을 개재하여 컴퓨터(5)와 연결함을 특징으로 하는 차량의 쏠림량 측정 시스템.Posts 6 provided with a plurality of transmitter infrared sensors 1 at intervals of 10 cm are placed on the finish line part P of the measurement section L2, and then the infrared sensor is placed on the ground on which the posts 6 are set up. The infrared sensors 2 for the receiver are installed at equal intervals so as to receive the emitted infrared rays, and in such a state, the respective infrared sensors 1, 2 are connected to the microcomputer 3 with a wire, and then the micro A vehicle amount measurement system characterized in that the computer (3) is connected to the computer (5) via a serial communication cable (4).
KR1019980013313A 1998-04-14 1998-04-14 Pulling measurement system KR100258512B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100464549B1 (en) * 1998-11-13 2005-04-06 한국타이어 주식회사 Method and device for measuring the amount of tilt of the vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100820194B1 (en) * 2006-06-27 2008-04-08 현대자동차주식회사 Pulling measurement apparatus for car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100464549B1 (en) * 1998-11-13 2005-04-06 한국타이어 주식회사 Method and device for measuring the amount of tilt of the vehicle

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