CN102959186A - Thermal type flow sensing system for sensing flow rate of piston cooling oil of combustion engine for ship - Google Patents
Thermal type flow sensing system for sensing flow rate of piston cooling oil of combustion engine for ship Download PDFInfo
- Publication number
- CN102959186A CN102959186A CN2011800278149A CN201180027814A CN102959186A CN 102959186 A CN102959186 A CN 102959186A CN 2011800278149 A CN2011800278149 A CN 2011800278149A CN 201180027814 A CN201180027814 A CN 201180027814A CN 102959186 A CN102959186 A CN 102959186A
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- CN
- China
- Prior art keywords
- combustion engine
- type flow
- heat type
- piston cooling
- cooling oil
- 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.)
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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
Landscapes
- 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
The present invention pertains to a flow rate sensing system. More particularly, in a system for sensing the flow rate of piston cooling oil which flows in a collecting pipe in the combustion engine for a ship, the technical gist is the use of a thermal type flow sensor, which is coupled with the side surface of the lower portion of the collecting pipe and exposed to the piston cooling oil at one side so as to enable more precise flow rate measurement.
Description
Technical field
The present invention relates to flow quantity detecting system, relates to use the heat type flow quantity detecting system of the detection marine internal combustion engine piston cooling oil flow amount of heat type flow detection sensor in order to detect marine internal combustion engine piston cooling oil flow amount.
Background technique
Boats and ships are the power engine of being responsible for propelling ship with the large combustion machine, the piston cold oil of internal-combustion engine directly has influence on steady running and the durability of interior heat engine, different according to the sensor detection mode that detects described piston cold oil, its reliability also can be different with durability.
Existing sensor uses funneling liquid-level switch, valve type liquid-level switch, electrostatic capacity type liquid-level switch always.
Described funneling liquid-level switch is to make funnel, in the living changes in weight of volume production that described funnel enters according to piston cooling oil flow and discharges, utilizes lever to come operating switch by its weight.
In addition, described valve type liquid-level switch is the flow valve generation resistance according to the piston cold oil, by its resistance operating switch.
In addition, described electrostatic capacity type liquid-level switch is to make collecting tun, electrostatic liquid-level switch is installed, form the height of piston cold oil according to the difference between piston cooling oil flow input and the discharge capacity, then come operating switch according to the electrostatic capacity difference of piston cold oil contact when not contacting the electrostatic capacity type liquid-level switch.
But aforesaid method is indirectly to detect the mode of piston cold oil, have frequent appearance mistake and cause the problem of fault, and since technical problem more can not direct-detection piston cold oil flow.
In addition, aforesaid problem occurs, judge the problem stop boats and ships in the shipping etc. through automatic controller, sometimes mobile even without the piston cold oil, make automatic control be judged as proper flow, cause the piston of marine internal combustion engine or the serious result of cylinder breakage.
Summary of the invention
The technical problem to be addressed by invention
The present invention proposes in order to solve aforesaid problem, its objective is to use the heat type flow transducer to want the direct-detection flow.
Solve the technological scheme of problem
In order to reach aforesaid purpose, feature of the present invention is on marine internal combustion engine, to the flow quantity detecting system of the piston cold oil of the collecting pipe inside of flowing through, use the lower side that is incorporated into described collecting pipe, the one side is exposed to the heat type flow detection sensor of described piston cold oil.
At this, the feature of described heat type flow detection sensor is to comprise: the body that is incorporated into described collecting pipe lower side; Outstanding a pair of the 1st protuberance and the 2nd protuberance of forming has described the 1st protuberance of the 1st temperature transducer and electric heating wire and the detection unit that inner described the 2nd protuberance with the 2nd temperature transducer is consisted of to be in to expose in the position of piston cold oil by inside in the place ahead of described body, wherein, described the 1st temperature transducer and electric heating wire and described the 2nd temperature transducer are formed on flexible printed wiring board (P.C.B) inside.
In addition, the inside of described the 2nd protuberance also has the 3rd temperature transducer that is formed on flexible printed wiring board inside, it is characterized in that directly being connected with the outside and piston cooling Determination of oil temperature is provided.
And the rearward end of described body can also have interface.
Beneficial effect
According to the present invention who consists of as mentioned above, can expect following effect.
At first, in order to detect the flow of marine internal combustion engine piston cold oil, use heat type flow detection sensor direct-detection flow, have advantages of the reliability of raising so that can detect more accurately.
In addition, use flexible printed wiring board (P.C.B) and have advantages of and easily apply flexibly the space.
In addition, the real time temperature of piston cold oil does not need externally in addition the set temperature sensor and transmits to the outside by this sensor detected temperatures, has thus the simplicity of applying flexibly and arrange operation in space.
Description of drawings
Fig. 1 is the enforcement figure that detects the heat type flow quantity detecting system of marine internal combustion engine piston cooling oil flow amount according to the present invention.
Fig. 2 is the oblique drawing of heat type flow detection sensor that detects the heat type flow quantity detecting system of marine internal combustion engine piston cooling oil flow amount according to the present invention.
Fig. 3 is the side view of heat type flow detection sensor that detects the heat type flow quantity detecting system of marine internal combustion engine piston cooling oil flow amount according to the present invention.
Fig. 4 is the drawing of seeing at ' A' in Fig. 2.
Embodiment
Below, by reference to the accompanying drawings preferred embodiment of the present invention is described.
Fig. 1 is the enforcement figure that detects the heat type flow quantity detecting system of marine internal combustion engine piston cooling oil flow amount according to the present invention, Fig. 2 is the oblique drawing of heat type flow detection sensor that detects the heat type flow quantity detecting system of marine internal combustion engine piston cooling oil flow amount according to the present invention, Fig. 3 is the side view of heat type flow detection sensor that detects the heat type flow quantity detecting system of marine internal combustion engine piston cooling oil flow amount according to the present invention, and Fig. 4 is the drawing of seeing at ' A' in Fig. 2.
As shown in Figures 1 to 4, the present invention relates on marine internal combustion engine, detect the system of the piston cooling oil flow amount of the collecting pipe inside of flowing through, the present invention uses heat type flow detection sensor 100 in order to detect described flow.
At this, described heat type flow detection sensor 100 is the lower side that are incorporated into described collecting pipe 10, and the one side is exposed to described piston cold oil and can detects the temperature of described piston cold oil.
At this, described heat type flow detection sensor 100 comprises body 110 and detection unit 120.
Shown in the figure, described body 110 is incorporated into the lower side of described collecting pipe 10, the combination that described body 110 is incorporated into described internal-combustion engine is that described body 110 outer circumferential faces form screw thread 40, also form the hole (not shown) with screw thread (not shown) on the described internal-combustion engine, rotation is combined in a direction after it embeds described body 110, so can propose several different methods to this combination according to considering of those skilled in the art.
Described detection unit 120 is formed by a pair of the 1st outstanding protuberance 130 in the place ahead of described body 110 and the 2nd protuberance 140.
At this, described the 1st protuberance 130 inside have the 1st temperature transducer 131 and electric heating wire 132, described the 1st temperature transducer 131 and electric heating wire 132 adjacent formation, when described electric heating wire 132 a certain amount of electric currents of circulation and during distribute heat, the peripheral temperature that described the 1st temperature transducer 131 detects offers changeover part 20 after both having added value based on the temperature of described electric heating wire 132 based on the peripheral temperature of piston cold oil.
On the other hand, described the 2nd protuberance 140 inside have the 2nd temperature transducer 141, and described the 2nd temperature transducer 141 detects peripheral temperature, both offers changeover part 20 after the peripheral temperature based on the piston cold oil.
At this, after the signal that provides as mentioned above was provided described changeover part 20, the temperature value that described the 1st temperature transducer 131 provides converted the temperature of reducing to after deducting the temperature value that described the 2nd temperature transducer 141 provides.
The temperature that described changeover part 20 is reduced changes along with the moving amount of piston cooling oil flow, its with can detect described temperature variation and convert also amplification of electrical signal to, the control device 30 that the staff is monitored connects, by this control even can stop the internal-combustion engine of boats and ships, thus about in this respect be that known technology is omitted its specific description.
On the other hand, described the 1st temperature transducer 131 and electric heating wire 132 are formed on flexible printed wiring board (P.C.B) 200 inside and are disposed at described the 1st protuberance 130 inside.
In addition, described the 2nd temperature transducer 141 also is formed on described flexible printed wiring board (P.C.B) 200 inside and is disposed at described the 2nd protuberance 130 inside.
At this, described printed circuit board (PCB) (P.C.B) 200 can have very high reliability and soft, can remove spatial constraints to a certain extent.
In addition, described the 2nd protuberance 140 inside also have the 3rd temperature transducer 142 can provide to the outside the only temperature value of piston cold oil, and described the 3rd sensor 142 also is formed in flexible printed wiring board (P.C.B) 200 inside.
And the rearward end of described body 110 also has interface 300, and described interface 300 and external linkage play the effect that described the 1st, 2,3 temperature transducers 131,141,142 signals are provided.
Working procedure to the heat type flow quantity detecting system of the detection marine internal combustion engine piston cooling oil flow amount of formation like this describes.
Add that based on the peripheral temperature of piston cold oil value based on the temperature of described electric heating wire 132 detects backward changeover part 20 by the 1st temperature transducer 131 signal is provided, peripheral temperature based on the piston cold oil provides signal by the backward changeover part 20 of the 2nd temperature transducer 141 detections, convert the temperature of the detected temperatures that deducts the 2nd temperature transducer 141 to from the detected temperatures of described the 1st temperature transducer 131, the temperature change value of described conversion offers control device 30 and can monitor and control.
In addition, the 3rd temperature transducer 142 can make the temperature of control device 30 monitoring piston cold oils, and the temperature by described piston cold oil can be confirmed whether unusually.
Can find out that as mentioned above basic thought of the present invention is to use the heat type flow detection sensor can detect more accurately the flow of marine internal combustion engine piston cold oil, in the nature of things, in basic thought category of the present invention, the technician that related domain has common knowledge can implement multiple modification.
Utilize possibility on the industry
The present invention can be used in flow quantity detecting system, namely can be used in the heat type flow quantity detecting system that uses the detection marine internal combustion engine piston cooling oil flow amount of heat type flow detection sensor for the flow that detects marine internal combustion engine piston cold oil.
Claims (4)
1. detect the heat type flow quantity detecting system of marine internal combustion engine piston cooling oil flow amount, it is characterized in that on marine internal combustion engine, flow quantity detecting system to the inner piston cold oil of the collecting pipe of flowing through (10), use is incorporated into the lower side of described collecting pipe (10), and the one side is exposed to the heat type flow detection sensor (100) of described piston cold oil.
2. the heat type flow quantity detecting system of detection marine internal combustion engine piston cooling oil flow amount according to claim 1 is characterized in that described heat type flow detection sensor (100) comprises:
Be incorporated into the body (110) of described collecting pipe (10) lower side;
Outstanding a pair of the 1st protuberance (130) and the 2nd protuberance (140) of forming exposes in the position of piston cold oil and has the detection unit (120) that described the 1st protuberance (130) of the 1st temperature transducer (131) and electric heating (132) and described the 2nd protuberance (140) that inside has the 2nd temperature transducer (141) are consisted of by inside to be in the place ahead of described body
Wherein, described the 1st temperature transducer and electric heating wire and described the 2nd temperature transducer are formed on flexible printed wiring board (200) inside.
3. the heat type flow quantity detecting system of detection marine internal combustion engine piston cooling oil flow amount according to claim 2, the inside that it is characterized in that described the 2nd protuberance also has the 3rd temperature transducer (142) that is formed on flexible printed wiring board inside, and it provides piston cooling Determination of oil temperature.
4. according to claim 2 or the heat type flow quantity detecting system of 3 described detection marine internal combustion engine piston cooling oil flow amounts, it is characterized in that the rearward end of described body also has interface (300).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0061394 | 2010-06-28 | ||
| KR1020100061394A KR100994537B1 (en) | 2010-06-28 | 2010-06-28 | A thermal type flow sensing system for sensing amount of piston cooling oil of diesel engine for a ship |
| PCT/KR2011/003046 WO2012002639A1 (en) | 2010-06-28 | 2011-04-27 | Thermal type flow sensing system for sensing flow rate of piston cooling oil of combustion engine for ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102959186A true CN102959186A (en) | 2013-03-06 |
| CN102959186B CN102959186B (en) | 2015-11-25 |
Family
ID=43409742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180027814.9A Active CN102959186B (en) | 2010-06-28 | 2011-04-27 | Detect the heat type flow quantity detecting system of marine internal combustion engine piston cooling oil flow amount |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5629375B2 (en) |
| KR (1) | KR100994537B1 (en) |
| CN (1) | CN102959186B (en) |
| WO (1) | WO2012002639A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101057008B1 (en) | 2010-12-31 | 2011-08-17 | 주식회사 대양계기 | A electron sense device for oil quantity sense sensor |
| KR200462167Y1 (en) | 2011-04-20 | 2012-08-29 | 금양산업(주) | A thermal type flow and temperature measuring sensing system for sensing amount of piston cooling oil of diesel engine for a ship |
| JP2014032040A (en) * | 2012-08-01 | 2014-02-20 | Keumyang Ind Co Ltd | Heat amount type flow amount sensing and temperature measuring system for flow amount and temperature sensing of piston cooling oil for internal combustion engine for ship |
| CN103575413B (en) * | 2012-08-09 | 2016-06-01 | 金洋产业株式会社 | The thermal-type flow rate detection of marine diesel machine piston cooling oil and temperature measuring system |
| KR101481308B1 (en) * | 2013-08-19 | 2015-01-09 | 현대중공업 주식회사 | Drain box structure for engine of ship |
| US20170358374A1 (en) * | 2016-06-09 | 2017-12-14 | Ge-Hitachi Nuclear Energy Americas Llc | Nuclear reactor fluid thermal monitoring array |
| DE102018208140B3 (en) * | 2018-05-24 | 2019-06-13 | Continental Automotive Gmbh | Pump device and method for determining a coolant mass flow through a pump device of an internal combustion engine |
| KR20210147499A (en) | 2020-05-29 | 2021-12-07 | 정경진 | Calorie type flow detection system for the detection of piston cooling oil in ship-borne internal combustion engine |
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| US3739366A (en) * | 1971-06-14 | 1973-06-12 | Motorola Inc | Flowmeter for engine cooling system |
| JP2001165719A (en) * | 1999-12-09 | 2001-06-22 | Mitsui Mining & Smelting Co Ltd | Heat type flowmeter with straightner |
| KR20010059327A (en) * | 1999-12-30 | 2001-07-06 | 이계안 | System for measuring flow rate |
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| JP2009162693A (en) * | 2008-01-09 | 2009-07-23 | Toyota Motor Corp | Device for measuring in-tube pressure |
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| JPS59206714A (en) | 1983-05-11 | 1984-11-22 | Hitachi Ltd | Thermal type flowmeter |
| JPS6243522A (en) * | 1985-08-20 | 1987-02-25 | Sharp Corp | Flow sensor |
| JP2000027619A (en) * | 1998-07-09 | 2000-01-25 | Kioritz Corp | Separate lubricating system for internal combustor engine |
| JP4052378B2 (en) * | 2002-04-22 | 2008-02-27 | 株式会社山武 | Thermal flow meter |
| JP2008209243A (en) | 2007-02-27 | 2008-09-11 | Hitachi Ltd | In-vehicle electronic device, in-vehicle physical quantity measuring instrument and thermal air flow meter |
| JP4836988B2 (en) * | 2008-04-30 | 2011-12-14 | 日立オートモティブシステムズ株式会社 | Thermal flow meter |
| DE102008037206B4 (en) * | 2008-08-11 | 2014-07-03 | Heraeus Sensor Technology Gmbh | 300 ° C-Flow Sensor |
-
2010
- 2010-06-28 KR KR1020100061394A patent/KR100994537B1/en active IP Right Review Request
-
2011
- 2011-04-27 CN CN201180027814.9A patent/CN102959186B/en active Active
- 2011-04-27 JP JP2013518220A patent/JP5629375B2/en active Active
- 2011-04-27 WO PCT/KR2011/003046 patent/WO2012002639A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3739366A (en) * | 1971-06-14 | 1973-06-12 | Motorola Inc | Flowmeter for engine cooling system |
| CN1318146A (en) * | 1998-08-18 | 2001-10-17 | 三井金属矿业株式会社 | Flow sensor and strainer integrated flowmeter |
| JP2001165719A (en) * | 1999-12-09 | 2001-06-22 | Mitsui Mining & Smelting Co Ltd | Heat type flowmeter with straightner |
| KR20010059327A (en) * | 1999-12-30 | 2001-07-06 | 이계안 | System for measuring flow rate |
| CA2337580A1 (en) * | 2001-02-20 | 2002-08-20 | Fafnir Gmbh | Thermal flow-rate sensor and method for determining the flow rate of a fluid |
| JP2008292286A (en) * | 2007-05-24 | 2008-12-04 | Yamatake Corp | Thermal flowmeter |
| JP2009162693A (en) * | 2008-01-09 | 2009-07-23 | Toyota Motor Corp | Device for measuring in-tube pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013534991A (en) | 2013-09-09 |
| KR100994537B1 (en) | 2010-11-15 |
| JP5629375B2 (en) | 2014-11-19 |
| WO2012002639A1 (en) | 2012-01-05 |
| CN102959186B (en) | 2015-11-25 |
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