KR101335856B1 - Engine load detecting device for medium speed propulsion engine - Google Patents

Engine load detecting device for medium speed propulsion engine Download PDF

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Publication number
KR101335856B1
KR101335856B1 KR1020090082017A KR20090082017A KR101335856B1 KR 101335856 B1 KR101335856 B1 KR 101335856B1 KR 1020090082017 A KR1020090082017 A KR 1020090082017A KR 20090082017 A KR20090082017 A KR 20090082017A KR 101335856 B1 KR101335856 B1 KR 101335856B1
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South Korea
Prior art keywords
engine
fuel rack
load
engine load
speed propulsion
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KR1020090082017A
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Korean (ko)
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KR20110024136A (en
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김윤호
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현대중공업 주식회사
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F02D1/02—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered
    • F02D1/04—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered by mechanical means dependent on engine speed, e.g. using centrifugal governors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Abstract

본 발명은 중속 추진용 엔진 부하 측정장치에 관한 것으로, 그 목적은 선박의 운항 중 엔진의 부하를 감지하는 측정장치로써, 설치가 쉽고 엔진의 부하를 정확하게 측정할 수 있도록 한 중속 추진용 엔진 부하 측정장치를 제공함에 있다. 이를 위한 본 발명은 엔진 부하의 변화에 따라 길이가 변동되는 연료랙과 링크를 통해 연결되어 연료랙의 길이변동에 비례하여 회전하는 엔진샤프트와 연결되도록 엔진바디에 설치되며, 엔진샤프트의 회전각도를 감지하여 엔진의 부하를 감지하는 연료랙 센서를 포함하는 중속 추진용 엔진 부하 측정장치에 관한 것을 기술적 요지로 한다.The present invention relates to a medium speed propulsion engine load measuring apparatus, the purpose of which is to measure the load of the engine during the operation of the ship, the medium speed propulsion engine load measurement to facilitate the installation and to accurately measure the load of the engine In providing a device. To this end, the present invention is installed on the engine body so as to be connected to the engine shaft that rotates in proportion to the length change of the fuel rack is connected via the fuel rack and the link is changed in length in accordance with the change of the engine load, the rotation angle of the engine shaft Technical aspect of the present invention relates to a medium-speed propulsion engine load measuring apparatus including a fuel rack sensor configured to detect an engine load.

엔진 부하, 연료랙, 엔진샤프트, 연료랙 센서, 회전각도 Engine load, fuel rack, engine shaft, fuel rack sensor, angle of rotation

Description

중속 추진용 엔진 부하 측정장치{Engine load detecting device for medium speed propulsion engine}Engine load detecting device for medium speed propulsion engine

본 발명은 선박의 중속 추진용 엔진 부하를 측정하는 장치에 관한 것으로, 특히 연료랙과 연결된 엔진샤프트의 회전각도를 검출함으로써 엔진 부하를 검출하도록 구성된 중속 추진용 엔진 부하 측정장치에 관한 것이다.The present invention relates to an apparatus for measuring an engine load for medium speed propulsion of a ship, and more particularly, to a medium speed propulsion engine load measuring device configured to detect an engine load by detecting a rotation angle of an engine shaft connected to a fuel rack.

일반적으로 중속 추진용 엔진의 경우, 엔진 부하를 감지하기 위해서 별도의 동력계를 설치하여 엔진 부하를 감지하였다.In general, in the case of a medium speed propulsion engine, a separate dynamometer is installed to detect the engine load.

그러나 위와 같은 종래의 방식은 측정값은 정확하나 측정을 위한 제반 장비가 고가이며 장비의 크기가 커서 설치공간에 제약이 많으며 이동이 어려워 중요 테스트 장비로써만 사용되고 있는 실정이다.However, the conventional method as described above is accurate, but all the equipment for the measurement is expensive and the size of the equipment is large, the installation space is limited and difficult to move it is used only as an important test equipment.

또한 엔진에 설치되는 감지센서의 경우, 엔진 연료랙(Fuel rack)의 위치를 통해 엔진 부하를 감지해야 되기 때문에 연료랙 위치를 정확한 값으로 환산하기가 힘들며 엔진 바디(body)에 설치가 쉽지 않은 문제점이 있었다.In addition, in the case of the sensor installed in the engine, it is difficult to convert the fuel rack position to the correct value because the engine load must be sensed through the position of the engine fuel rack, and it is not easy to install it on the engine body. There was this.

본 발명은 상기와 같은 문제점을 고려하여 이루어진 것으로, 본 발명의 목적은 선박의 운항 중 엔진의 부하를 감지하는 측정장치로써, 설치가 쉽고 엔진의 부하를 정확하게 측정할 수 있도록 한 중속 추진용 엔진 부하 측정장치를 제공함에 있다.The present invention has been made in consideration of the above problems, and an object of the present invention is to measure the load of the engine during operation of the ship, the medium speed propulsion engine load for easy installation and to accurately measure the load of the engine To provide a measuring device.

본 발명의 또 다른 목적은 가변피치 프로펠러(propeller)가 적용되는 선박의 자동 부하조절을 원활히 수행할 수 있도록 하는 중속 추진용 엔진 부하 측정장치를 제공함에 있다.Still another object of the present invention is to provide an engine load measuring apparatus for medium speed propulsion to smoothly perform automatic load control of a vessel to which a variable pitch propeller is applied.

상기한 바와 같은 목적을 달성하고 종래의 결점을 제거하기 위한 과제를 수행하는 본 발명의 중속 추진용 엔진 부하 측정장치는 엔진 부하의 변화에 따라 길이가 변동되는 연료랙과 링크를 통해 연결되어 연료랙의 길이변동에 비례하여 회전하는 엔진샤프트와 연결되도록 엔진바디(40)에 설치되며, 엔진샤프트의 회전각도를 감지하여 엔진의 부하를 감지하는 연료랙 센서를 포함하는 것을 특징으로 한다.The medium speed propulsion engine load measuring apparatus of the present invention, which achieves the object as described above and performs a task for eliminating the conventional drawbacks, is connected to a fuel rack connected through a fuel rack and a link whose length varies according to the change of the engine load. It is installed in the engine body 40 to be connected to the engine shaft to rotate in proportion to the length of the, characterized in that it comprises a fuel rack sensor for detecting the load of the engine by detecting the rotation angle of the engine shaft.

삭제delete

상기와 같은 특징을 갖는 본 발명에 의하면, 본 발명의 엔진 부하 측정장치는 종래와는 달리 엔진샤프트에 연결되기 때문에 설치가 쉽고 별도의 추가 장치를 필요로 하지 않을 뿐만 아니라 외관 또한 간단하게 구성되어 설치시 취급이 용이한 것은 물론이고 낮은 비용으로 엔진 부하 측정장치를 구성할 수 있는 효과를 가지고 있다.According to the present invention having the characteristics as described above, the engine load measuring apparatus of the present invention is connected to the engine shaft unlike the conventional, and is easy to install and does not require an additional device as well as the appearance is simply configured and installed It is easy to handle and has the effect of configuring an engine load measuring device at low cost.

또한, 엔진 바디에 설치됨으로써 설치시 엔진 외부 공간과 간섭이 없으며, 유지 보수 등을 용이하게 할 수 있는 효과를 가지고 있다.In addition, by being installed in the engine body there is no interference with the engine external space during installation, and has an effect that can facilitate maintenance and the like.

이하, 본 발명의 바람직한 실시 예를 첨부된 도면과 연계하여 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 엔진 부하 변동시 연료랙의 길이가 변화되는 상태를 나타낸 상태도를, 도 2는 본 발명의 바람직한 실시예에 따른 측정장치가 설치된 전체 구성도를, 도 3은 본 발명에 따른 측정장치의 요부구조를 나타낸 구성도를 도시하고 있다.1 is a state diagram showing a state in which the length of the fuel rack changes when the engine load changes, FIG. 2 is an overall configuration diagram in which the measuring device according to a preferred embodiment of the present invention is installed, FIG. A block diagram showing the main part structure is shown.

본 발명의 측정장치는 엔진샤프트(20)와 연결되어 엔진의 회전각을 검출함으로써 엔진의 부하를 검출하는 것이다.The measuring device of the present invention is connected to the engine shaft 20 to detect the load of the engine by detecting the rotation angle of the engine.

보다 구체적으로, 본 발명은 엔진의 연료분사펌프의 연료랙(Fuel rack,10)의 움직임을 감지하여 엔진 부하를 감지하는 것으로, 연료랙(10)은 엔진 부하 증가시 연료분사펌프로 깊게 삽입되고, 이와 반대로 엔진 부하 감소시 연료분사펌프로 적게 삽입되는 것과 같이 엔진 부하에 따라 연료랙(10)의 길이가 변동된다. 한편 상기 연료랙(10)은 링크(11)를 통하여 엔진샤프트(20)와 연결되어 있으므로 엔진샤프트(20)는 연료랙(10)의 길이변동에 비례하여 회전하게 된다. 따라서 각 엔진 부하별 연료랙(10)의 삽입 길이를 감지하기 위해서는 엔진샤프트(20)의 회전각도를 측정하고, 이를 환산하게 되면 엔진 부하를 도출할 수 있게 된다.More specifically, the present invention is to detect the engine load by detecting the movement of the fuel rack (Fuel rack, 10) of the fuel injection pump of the engine, the fuel rack 10 is inserted deeply into the fuel injection pump when the engine load increases On the contrary, the length of the fuel rack 10 is varied according to the engine load, such that less fuel is inserted into the fuel injection pump when the engine load is reduced. Meanwhile, since the fuel rack 10 is connected to the engine shaft 20 through the link 11, the engine shaft 20 rotates in proportion to the length variation of the fuel rack 10. Therefore, in order to detect the insertion length of the fuel rack 10 for each engine load, the rotation angle of the engine shaft 20 is measured, and when converted, it is possible to derive the engine load.

상기와 같이 엔진샤프트(20)의 회전각도를 검출하기 위하여 연료랙 센서(30)가 사용되며, 상기 연료랙 센서(30)는 엔진샤프트(20)와 연결되어 엔진샤프트(20)의 회전각도를 검출한 후, 이를 환산하여 케이블 커넥터(34)를 통해 출력값을 외부로 전달하도록 구성된다. 이때 상기 연료랙 센서(30)는 공지의 회전각 센서로 구성 될 수 있는 바, 연료랙 센서(30)에 의한 회전각의 검출원리에 대한 상세한 설명은 생략한다.The fuel rack sensor 30 is used to detect the rotation angle of the engine shaft 20 as described above, and the fuel rack sensor 30 is connected to the engine shaft 20 to determine the rotation angle of the engine shaft 20. After detection, it is configured to transfer the output value through the cable connector 34 to the outside. At this time, the fuel rack sensor 30 may be configured by a known rotation angle sensor, a detailed description of the principle of detection of the rotation angle by the fuel rack sensor 30 will be omitted.

한편 상기 연료랙 센서(30)는 리듀서(reducer:31)와 커플링(32)을 통하여 엔진샤프트(20)와 연결되며, 미도시된 다수개의 볼트에 의해 엔진 바디(40)에 체결되는 브라켓(33)에 의해 지지되어 엔진 바디에 설치되어진다.Meanwhile, the fuel rack sensor 30 is connected to the engine shaft 20 through a reducer 31 and a coupling 32, and a bracket fastened to the engine body 40 by a plurality of bolts (not shown). 33) is mounted on the engine body.

상기와 같이 구성된 본 발명의 중속 추진용 엔진 부하 측정장치를 이용한 엔진 부하 감지는 엔진 부하에 맞게 연료랙(10) 길이가 변동되고, 이때 엔진샤프트(20)가 소정 각도 회전하게 되므로, 엔진샤프트(20)와 연결된 연료랙 센서(30)가 엔진샤프트(20)의 회전각도에 맞는 아날로그 신호(4~20㎃)를 계산하여 엔진 부하에 따른 출력값을 산출하고, 이를 케이블 커넥터(34)를 통해 외부로 전달하게 된다.Engine load detection using the medium-speed propulsion engine load measuring apparatus of the present invention configured as described above is the length of the fuel rack 10 to match the engine load, the engine shaft 20 is rotated by a predetermined angle, so the engine shaft ( The fuel rack sensor 30 connected to 20 calculates an output value according to the engine load by calculating an analog signal (4 to 20 Hz) corresponding to the rotation angle of the engine shaft 20, and externally through the cable connector 34. Will be sent to.

본 발명은 상술한 특정의 바람직한 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

도 1 은 엔진 부하 변동시 연료랙의 길이가 변화되는 상태를 나타낸 상태도,1 is a state diagram showing a state in which the length of the fuel rack changes when the engine load changes;

도 2 는 본 발명의 바람직한 실시예에 따른 측정장치가 설치된 전체 구성도,2 is an overall configuration diagram installed measuring device according to a preferred embodiment of the present invention,

도 3 은 본 발명에 따른 측정장치의 요부구조를 나타낸 구성도.3 is a block diagram showing the main structure of the measuring device according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

(10) : 연료랙 (11) : 링크10: fuel rack 11: link

(20) : 엔진샤프트 (30) : 연료랙 센서20: engine shaft 30: fuel rack sensor

(31) : 리듀서 (32) : 커플링(31): Reducer (32): Coupling

(33) : 브라켓 (40) : 엔진바디(33): Bracket 40: Engine body

Claims (2)

엔진 부하의 변화에 따라 길이가 변동되는 연료랙(10)과 링크(11)를 통해 연결되어 연료랙(10)의 길이변동에 비례하여 회전하는 엔진샤프트(20)와 연결되도록 엔진바디(40)에 설치되며, 엔진샤프트(20)의 회전각도를 감지하여 엔진의 부하를 감지하는 연료랙 센서(30)를 포함하는 것을 특징으로 하는 중속 추진용 엔진 부하 측정장치.Engine body 40 is connected via the fuel rack 10 and the link 11, the length of which changes in accordance with the change of the engine load is connected to the engine shaft 20 that rotates in proportion to the length change of the fuel rack (10) Installed in, the medium-speed propulsion engine load measurement apparatus comprising a fuel rack sensor 30 for detecting the load of the engine by detecting the rotation angle of the engine shaft (20). 삭제delete
KR1020090082017A 2009-09-01 2009-09-01 Engine load detecting device for medium speed propulsion engine KR101335856B1 (en)

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CN112483597A (en) * 2020-11-27 2021-03-12 常熟市海舟电气有限公司 Measuring device for wear-resistant fuel rack

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JPS58204965A (en) * 1982-05-24 1983-11-29 Isuzu Motors Ltd Detecting device for rack position of fuel-injection pump

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JPS58204965A (en) * 1982-05-24 1983-11-29 Isuzu Motors Ltd Detecting device for rack position of fuel-injection pump

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