WO2012002639A1 - 선박용 내연기관의 피스톤 냉각 오일의 유량감지를 위한 열량식 유량감지 시스템 - Google Patents
선박용 내연기관의 피스톤 냉각 오일의 유량감지를 위한 열량식 유량감지 시스템 Download PDFInfo
- Publication number
- WO2012002639A1 WO2012002639A1 PCT/KR2011/003046 KR2011003046W WO2012002639A1 WO 2012002639 A1 WO2012002639 A1 WO 2012002639A1 KR 2011003046 W KR2011003046 W KR 2011003046W WO 2012002639 A1 WO2012002639 A1 WO 2012002639A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flow rate
- cooling oil
- piston cooling
- combustion engine
- temperature sensor
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/06—Arrangements for cooling pistons
- F01P3/08—Cooling of piston exterior only, e.g. by jets
Definitions
- the present invention relates to a flow rate sensing system, and to a caloric flow rate sensing system for sensing the flow rate of a piston cooling oil of an internal combustion engine for ships in which a caloric flow rate sensing sensor is used to detect the flow rate of the piston cooling oil of a ship internal combustion engine.
- the ship's large internal combustion engine is a power engine that is responsible for the propulsion of the ship, and since the piston cooling oil of the internal combustion engine has an important influence on the safe operation and durability of the internal combustion engine, reliability and Durability will vary.
- the funnel level switch is made of a funnel, so that the weight is changed according to the amount and the amount of the piston cooling oil flowing into the funnel, so that the lever using the weight to operate the switch.
- the valve-type level switch generates a flow resistance of the blade according to the flow of the piston cooling oil, and the switch is operated by the force of the resistance.
- the capacitive level switch forms a collecting container, attaches the capacitive level switch, and forms the level of the piston cooling oil according to the difference between the amount of the piston cooling oil flowing in and the amount of discharged, and the piston cooling oil is the capacitive level. It operates according to the difference in capacitance between touching and not touching the switch.
- the above-described method has a problem of frequent malfunctions and failures by indirectly detecting the piston cooling oil, and a technical problem could not directly detect the flow of the piston cooling oil.
- the present invention has been made to solve the above problems, it is an object to be able to directly detect the flow rate using a caloric flow rate sensor.
- the present invention is a marine internal combustion engine, the piston cooling oil in the system for detecting the flow rate of the collection pipe flowing therein, is coupled to the lower side of the collection pipe, one side is the piston cooling It is characterized by using a caloric flow rate sensor exposed to oil.
- the caloric flow rate sensor is formed of a body portion coupled to the lower side of the collection pipe, the first projection and the second projection projecting in pairs in front of the body portion is positioned to be exposed to the piston cooling oil.
- the first protrusion includes a first temperature sensor and an electric heating wire
- the second protrusion includes a sensing unit including a second temperature sensor, wherein the first temperature sensor and the electric heating wire are provided.
- the second temperature sensor may be formed inside the flexible printed wiring board (PCB).
- the second protrusion may further include a third temperature sensor formed inside the flexible printed circuit board P.C.B to be directly connected to the outside to provide a measurement temperature of the piston cooling oil.
- the rear end of the body portion may be further provided with a port.
- the flow rate of the piston cooling oil of the ship's internal combustion engine can be detected more precisely by using the caloric flow sensor to directly detect the flow rate, thereby improving the reliability.
- the use of the flexible printed wiring board (P.C.B) has the advantage of easy utilization of space.
- the real-time temperature of the piston cooling oil is sensed by the sensor and transmitted to the outside without installing a separate external temperature sensor, thereby utilizing space and simplifying installation.
- FIG. 1 is an embodiment of a calorie flow rate detection system for detecting the flow rate of the piston cooling oil of a marine internal combustion engine according to the present invention.
- Figure 2 is a perspective view of a caloric flow rate sensor of the caloric flow rate detection system for detecting the flow rate of the piston cooling oil of the internal combustion engine for ships according to the present invention.
- Figure 3 is a side view of the caloric flow rate sensor of the caloric flow rate detection system for detecting the flow rate of the piston cooling oil of the ship internal combustion engine according to the present invention.
- FIG. 1 is an embodiment of a calorie flow rate detection system for detecting the flow rate of the piston cooling oil of the ship internal combustion engine according to the present invention
- Figure 2 is a calorie type for flow rate detection of the piston cooling oil of the ship internal combustion engine according to the present invention
- Figure 3 is a perspective view of a caloric flow rate sensor of the flow rate detection system
- Figure 3 is a side view of the caloric flow rate sensor of the caloric flow rate detection system for the flow rate detection of the piston cooling oil of the internal combustion engine for ships according to the present invention
- Figure 4 FIG. 2 is a view seen from 'A'.
- the present invention relates to a system for detecting the flow rate of the collection pipe 10 through which the piston cooling oil flows in an internal combustion engine for ships, the present invention is a heat quantity for the flow rate detection Expression flow sensor 100 is used.
- the caloric flow rate sensor 100 is coupled to the lower side of the collection pipe 10, one side is exposed to the piston cooling oil can detect the temperature of the piston cooling oil.
- the caloric flow rate sensor 100 includes a body 110 and the sensing unit 120.
- the body portion 110 is to be coupled to the lower side of the collection tube 10, the coupling method of the body portion 110 is coupled to the internal combustion engine is a thread 40 on the outer peripheral surface of the body portion 110 ) Is formed and a hole (not shown) is formed in the internal combustion engine is also formed (not shown) is shown to be coupled by rotating in one direction after the body portion 110 is fitted, which is at the discretion of those skilled in the art Various methods can be presented.
- the sensing unit 120 is formed of a first protrusion 130 and a second protrusion 140 protruding in pairs in front of the body 110.
- the first temperature sensor 131 and the electric heating wire 132 is provided inside the first protrusion 130, the first temperature sensor 131 and the electric heating wire 132 is formed adjacent to the electric
- the first temperature sensor 131 is a value obtained by adding a temperature of the electric heating wire 132 to an ambient temperature, that is, an ambient temperature by the piston cooling oil. Detects and provides it to the converter 20.
- a second temperature sensor 141 is provided inside the second protrusion 140, and the second temperature sensor 141 detects an ambient temperature, that is, an ambient temperature caused by piston cooling oil, and converts the conversion unit ( 20) will be provided.
- the conversion unit 20 receives the signal provided as described above and converts the temperature value provided by the second temperature sensor 141 from the temperature value provided by the first temperature sensor 131 to the temperature subtracted. Let's do it.
- the temperature subtracted from the converting unit 20 is changed according to the flow rate of the piston cooling oil, and connected to the control unit 30 that detects the amount of temperature change, converts it into an electrical signal, and amplifies the electric signal. In this way, the control of the ship engine can be achieved through control, which will be omitted in the related art.
- the first temperature sensor 131 and the heat transfer heater 132 is formed in the flexible printed wiring board (P.C.B) (200) is located inside the first protrusion 130.
- the second temperature sensor 141 is also formed inside the flexible printed wiring board (P.C.B) 200 and positioned inside the second protrusion 140.
- the printed wiring board 200 may have high reliability and may be made flexible so that the limitation of space may be eliminated to some extent.
- a third temperature sensor 142 is further provided inside the second protrusion 140 to provide only the temperature value of the piston cooling oil to the outside, and the third temperature sensor 142 is also flexible printed.
- the circuit board 200 is positioned inside the wiring circuit board 200.
- the rear end of the body portion 110 is further provided with a port 300 and the port 300 is connected to the outside serves to provide a signal through the first, second, third temperature sensor (131, 141, 142) Do
- the first temperature sensor 131 detects the value obtained by adding the electric heating wire 132 and the ambient temperature due to the temperature of the piston cooling oil to provide a signal to the change unit 20, and sets the ambient temperature due to the piston cooling oil.
- the second temperature sensor 141 senses and provides a signal to the conversion unit 20 to convert the detected temperature of the second temperature sensor 141 from the detected temperature of the first temperature sensor 131 to a temperature subtracted from the above, The change value of the converted temperature is provided to the controller 30 to be monitored and controlled.
- the third temperature sensor 142 allows the controller 30 to monitor the temperature of the piston cooling oil, so that it is possible to recognize the abnormality through the piston cooling temperature.
- the present invention has a basic technical idea that the flow rate detection of the piston cooling oil of a marine internal combustion engine can be more precisely measured using a caloric flow rate sensor.
- a caloric flow rate sensor e.g., a Bosch Sensortec BMA150
- the present invention can be used in the flow rate detection system, the caloric flow rate detection system for detecting the flow rate of the piston cooling oil of the internal combustion engine for ships using the caloric flow rate sensor for the flow rate detection of the piston cooling oil of the ship internal combustion engine It is available.
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
Description
Claims (4)
- 선박용 내연기관에 있어서, 피스톤 냉각 오일이 내부를 흐르는 수집관(10)의 유량감지를 위한 시스템에 있어서,상기 수집관(10)의 하부 측면에 결합되고, 일측이 상기 피스톤 냉각 오일에 노출되는 열량식 유량감지센서(100)를 사용하는 것을 특징으로 하는 선박용 내연기관의 피스톤 냉각 오일의 유량감지를 위한 열량식 유량감지 시스템.
- 제1항에 있어서,상기 열량식 유량감지센서(100)는,상기 수집관(10)의 하부 측면에 결합되는 몸체부(110);상기 몸체부의 전방에 쌍으로 돌출되는 제1돌출부(130)와 제2돌출부(140)로 형성되어 피스톤 냉각 오일에 노출되도록 위치되며, 상기 제1돌출부(130)의 내부에는 제1온도센서(131)와 전기열선(132)이 구비되고, 상기 제2돌출부(140)의 내부에는 제2온도센서(141)가 구비되는 감지부(120);를 포함하여 이루어지되,상기 제1온도센서와 전기열선 그리고 상기 제2온도센서는 플렉시블한 인쇄 배선 회로 기판(P.C.B)(200)의 내부에 형성되는 것을 특징으로 하는 선박용 내연기관의 피스톤 냉각 오일의 유량감지를 위한 열량식 유량감지 시스템.
- 제2항에 있어서,상기 제2돌출부의 내부에는, 플렉시블한 인쇄 배선 회로 기판(P.C.B)의 내부에 형성되는 제3온도센서(142)가 더 구비되어 피스톤 냉각 오일의 측정 온도를 제공하는 것을 특징으로 하는 선박용 내연기관의 피스톤 냉각 오일의 유량감지를 위한 열량식 유량감지 시스템.
- 제2항 또는 제3항에 있어서,상기 몸체부의 후단부에는 포트(300)가 더 구비되는 것을 특징으로 하는 선박용 내연기관의 피스톤 냉각 오일의 유량감지를 위한 열량식 유량감지 시스템.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013518220A JP5629375B2 (ja) | 2010-06-28 | 2011-04-27 | 船舶用内燃機関のピストン冷却オイルの流量感知のための熱量式流量感知システム |
CN201180027814.9A CN102959186B (zh) | 2010-06-28 | 2011-04-27 | 检测船舶内燃机活塞冷却油流量的热量式流量检测系统 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2010-0061394 | 2010-06-28 | ||
KR1020100061394A KR100994537B1 (ko) | 2010-06-28 | 2010-06-28 | 선박용 내연기관의 피스톤 냉각 오일의 유량감지를 위한 열량식 유량감지 시스템 |
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WO2012002639A1 true WO2012002639A1 (ko) | 2012-01-05 |
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PCT/KR2011/003046 WO2012002639A1 (ko) | 2010-06-28 | 2011-04-27 | 선박용 내연기관의 피스톤 냉각 오일의 유량감지를 위한 열량식 유량감지 시스템 |
Country Status (4)
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JP (1) | JP5629375B2 (ko) |
KR (1) | KR100994537B1 (ko) |
CN (1) | CN102959186B (ko) |
WO (1) | WO2012002639A1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103575413A (zh) * | 2012-08-09 | 2014-02-12 | 金洋产业株式会社 | 船用内燃机活塞冷却油的热动式流量检测及温度测量系统 |
JP2014032040A (ja) * | 2012-08-01 | 2014-02-20 | Keumyang Ind Co Ltd | 船舶用内燃機関のピストン冷却オイルの流量及び温度感知のための熱量式流量感知及び温度計測システム |
WO2019224065A1 (de) * | 2018-05-24 | 2019-11-28 | Cpt Group Gmbh | Pumpenvorrichtung und verfahren zum ermitteln eines kühlmittelmassenstroms durch eine pumpenvorrichtung einer brennkraftmaschine |
RU2819750C1 (ru) * | 2023-10-09 | 2024-05-23 | Акционерное общество "НПО "Стример" | Система определения ресурса цеолита |
Families Citing this family (5)
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KR101057008B1 (ko) | 2010-12-31 | 2011-08-17 | 주식회사 대양계기 | 유량감지센서용 전자감지장치 |
KR200462167Y1 (ko) | 2011-04-20 | 2012-08-29 | 금양산업(주) | 선박용 내연기관의 피스톤 냉각 오일의 유량 및 온도감지를 위한 열량식 유량감지 및 온도계측 시스템 |
KR101481308B1 (ko) * | 2013-08-19 | 2015-01-09 | 현대중공업 주식회사 | 선박 엔진용 드레인박스 구조 |
US20170358374A1 (en) * | 2016-06-09 | 2017-12-14 | Ge-Hitachi Nuclear Energy Americas Llc | Nuclear reactor fluid thermal monitoring array |
KR20210147499A (ko) | 2020-05-29 | 2021-12-07 | 정경진 | 선박용 내연기관의 피스톤 냉각 오일의 유량감지를 위한 열량식 유량감지장치 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2014032040A (ja) * | 2012-08-01 | 2014-02-20 | Keumyang Ind Co Ltd | 船舶用内燃機関のピストン冷却オイルの流量及び温度感知のための熱量式流量感知及び温度計測システム |
CN103575413A (zh) * | 2012-08-09 | 2014-02-12 | 金洋产业株式会社 | 船用内燃机活塞冷却油的热动式流量检测及温度测量系统 |
CN103575413B (zh) * | 2012-08-09 | 2016-06-01 | 金洋产业株式会社 | 船用内燃机活塞冷却油的热动式流量检测及温度测量系统 |
WO2019224065A1 (de) * | 2018-05-24 | 2019-11-28 | Cpt Group Gmbh | Pumpenvorrichtung und verfahren zum ermitteln eines kühlmittelmassenstroms durch eine pumpenvorrichtung einer brennkraftmaschine |
RU2819750C1 (ru) * | 2023-10-09 | 2024-05-23 | Акционерное общество "НПО "Стример" | Система определения ресурса цеолита |
Also Published As
Publication number | Publication date |
---|---|
CN102959186B (zh) | 2015-11-25 |
KR100994537B1 (ko) | 2010-11-15 |
CN102959186A (zh) | 2013-03-06 |
JP5629375B2 (ja) | 2014-11-19 |
JP2013534991A (ja) | 2013-09-09 |
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