CN108547702A - A kind of light/heavy oil pattern automatic conversion control method - Google Patents
A kind of light/heavy oil pattern automatic conversion control method Download PDFInfo
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- CN108547702A CN108547702A CN201810293083.6A CN201810293083A CN108547702A CN 108547702 A CN108547702 A CN 108547702A CN 201810293083 A CN201810293083 A CN 201810293083A CN 108547702 A CN108547702 A CN 108547702A
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- heavy oil
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Classifications
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0602—Control of components of the fuel supply system
- F02D19/0613—Switch-over from one fuel to another
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0626—Measuring or estimating parameters related to the fuel supply system
- F02D19/0628—Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0649—Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
- F02D19/0657—Heavy or light fuel oils; Fuels characterised by their impurities such as sulfur content or differences in grade, e.g. for ships
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention discloses a kind of light/heavy oil pattern automatic conversion control methods, it includes engine control system and the operator control panel that is connect with engine control system, light oil pattern and heavy oil pattern are equipped in engine control system, timer is set in engine control system, the fuel temperature sensor being connect with engine control system is installed on into the conveying oil pipe of engine chamber, it is implanted into light/heavy oil pattern automatic conversion into engine control system and controls program, by being operated in operator control panel, choose whether to start light/heavy oil pattern automatic conversion control program；Engine control system extracts fuel oil into the numerical value of machine temperature, according to fuel oil into the numerical value situation of machine temperature and by determining that engine control system uses light oil pattern or heavy oil pattern after the judgement in interval time.Present invention reduces engine peripheral accessory costs, while improving the safety operation performance and intelligent operation performance of engine.
Description
Technical field
The present invention relates to a kind of light/heavy oil pattern automatic conversion control methods.
Background technology
The relatively low ordinary diesel oil of fuel density and the relatively high heavy diesel fuel of fuel density can be used in marine engine,
In order to save cost, in blue water normally travel, marine engine uses heavy diesel fuel, and in offshore sea waters or will pull in shore
When, marine engine uses ordinary diesel oil.Thus above-mentioned marine engine can mating light/heavy oil converting device, thus to starting
Ordinary diesel oil or heavy diesel fuel are provided in the combustion chamber of machine, when engine uses ordinary diesel oil, set in engine control system
For light oil pattern（MDO patterns）, when engine uses heavy diesel fuel, it is set as heavy oil pattern in engine control system（HFO moulds
Formula）, under above two pattern, the alarm setting value of the parameters such as engine control system intermediate fuel oil pressure and fuel oil temperature is complete
It differs.
In the prior art, light/heavy oil converting device is used to the switching of ordinary diesel oil and heavy diesel fuel, completes light/heavy oil and turns
After the switching of changing device, then light/heavy oil Mode Feedback device is connected on the engine, i.e., on pipeline before entering into the combustion chamber
The signal of signalling means is fed back to engine control system by setting signal device, and operator feeds back according to above-mentioned signal, determine into
The fuel oil entered in engine chamber is ordinary diesel oil or heavy diesel fuel, and then, operating personnel manipulate engine control system and adopt again
With MDO patterns or HFO patterns.Aforesaid way needs on light/heavy oil converting device, increases light/heavy oil Mode Feedback device,
And artificial progress confirmation operation is needed, complicated line arrangement is not only increased, increases production cost, but also operate numerous
Trivial, the intelligent operation of engine can not achieve, also, the damage problem of manual operation or feedback device once occurs, can give hair
Motivation causes huge damage.
Invention content
The technical problem to be solved in the present invention is to provide a kind of light/heavy oil pattern automatic conversion control method, the light/heavy oil
Pattern automatic conversion control method can judge that the fuel oil entered in engine chamber is ordinary diesel oil or heavy diesel fuel automatically, from
And light oil pattern or heavy oil pattern are used in automatically controlled engine control system, the intellectualized operation of engine is realized, is kept away
The accidental injury of engine is exempted from.
In order to solve the above technical problems, light/heavy oil pattern automatic conversion the control method provided includes engine control
System and the operator control panel being connect with engine control system, it is characterised in that：It is provided with light oil in the engine control system
Timer is arranged in engine control system for pattern and heavy oil pattern, into the conveying oil pipe of engine chamber on be equipped with
The fuel temperature sensor being connect with engine control system, for detecting fuel oil into machine temperature, into engine control system
It is implanted into light/heavy oil pattern automatic conversion and controls program, by being operated in operator control panel, choose whether to start light/heavy oil mould
Formula automatic conversion controls program；
If not starting light/heavy oil pattern automatic conversion control program, engine control system uses light oil pattern；
If starting light/heavy oil pattern automatic conversion controls program, engine control system extraction is acquired from fuel temperature sensor
The fuel oil arrived into machine temperature numerical value, according to fuel oil into the numerical value situation of machine temperature and pass through after the judgement in interval time determine
Engine control system uses light oil pattern or heavy oil pattern.
When the numerical value of fuel oil into machine temperature is invalid numerical, engine control system uses heavy oil pattern；When fuel oil into
When the numerical value of machine temperature is Effective Numerical；
The Effective Numerical is less than particular value, starts timer, passes through the multiple of the first setting time intrinsic motivation control system
The numerical value of judgement fuel oil into machine temperature is smaller than particular value, and light/heavy oil pattern automatic conversion controls program to engine control system
System, which sends out signal, ensures that engine control system uses light oil pattern；
After the Effective Numerical is more than particular value, starts timer, pass through the more of the second setting time intrinsic motivation control system
The numerical value of secondary judgement fuel oil into machine temperature is all not less than particular value, and light/heavy oil pattern automatic conversion controls program to engine control
System processed, which sends out signal, ensures that engine control system uses heavy oil pattern.
The particular value is 80 DEG C.
It is big to there is Effective Numerical in any judgement in the multiple judgement of first setting time intrinsic motivation control system
In the particular value the case where, start timer reclocking until repeatedly Effective Numerical is smaller than particular value in judgement；Second setting
There is the case where Effective Numerical is less than particular value in any judgement in the multiple judgement of time intrinsic motivation control system, opens
Dynamic timer reclocking is until repeatedly Effective Numerical is all more than particular value in judgement.
First setting time is 5s, and the second setting time is 5s, judges that the frequency when Effective Numerical size is
0.1s/ times.
After the above method, steamer offshore sea waters when driving, the light/heavy oil pattern automatic conversion control can not be started
Processing procedure sequence, transmitter control system can use light oil pattern completely；After driving into blue water, the light/heavy oil can be started
Pattern automatic conversion controls program, is sent out according to fuel oil into the numerical value situation of machine temperature and by being determined after the judgement in interval time
Motivation control system uses light oil pattern or heavy oil pattern.Certainly, offshore sea waters when driving, light/weight can also be directly initiated
Oily pattern automatic conversion controls program, according to fuel oil into the numerical value situation of machine temperature and by being determined after the judgement in interval time
Engine control system uses light oil pattern or heavy oil pattern.Thus this method no longer need on the engine it is separately installed it is light/
Heavy oil Mode Feedback device reduces engine control system signal and inputs quantity, reduces engine peripheral accessory cost, carry simultaneously
The high safety operation performance and intelligent operation performance of engine.
Description of the drawings
The present invention will be further described below with reference to the drawings：
Fig. 1 is the flow diagram of an embodiment of the present invention；
Fig. 2 is the schematic diagram for the pipeline that fuel oil enters engine.
Specific implementation mode
As shown in Fig. 2, being equipped with light/heavy oil converting device on present high-power engine peculiar to vessel comprising light oil oil
Case 1（Light oil refers to ordinary diesel oil）With heavy oil fuel tank 2（Heavy oil refers to heavy diesel fuel）, light oil fuel tank 1 connects with heavy oil fuel tank 2
Piping connection is crossed on triple valve 3, heating device 5 is additionally provided on the pipeline between heavy oil fuel tank 2 and triple valve 3, can be attached most importance to
Oil is heated, and another branch of triple valve 3 is the oil inlet pipe 4 inputted in engine chamber, and oil inlet pipe is equipped with equipped with combustion
The signal wire of oil temperature sensor 6, fuel temperature sensor is connected to the Wiring port of engine control system, so as to examine
The fuel oil temperature entered in engine chamber is surveyed, can be provided into the combustion chamber of engine by the switching of triple valve 3 general
Logical diesel oil or heavy diesel fuel.Certainly, the dependency structures such as oil pump are also associated on engine, Fig. 2 only simply illustrates above-mentioned light/weight
The simple structure of oily conversion equipment, detailed construction are the prior art, and details are not described herein.
As shown in Figure 1, the present invention provides a kind of light/heavy oil pattern automatic conversion control methods comprising engine control
System processed and the operator control panel being connect with engine control system are provided with light oil pattern and heavy oil in the engine control system
Timer is arranged in engine control system for pattern, into the conveying oil pipe of engine chamber on be equipped with and engine control
The fuel temperature sensor of system connection processed is implanted into light/heavy oil into engine control system for detecting fuel oil into machine temperature
Pattern automatic conversion controls program, by being operated in operator control panel, chooses whether to start light/heavy oil pattern automatic conversion control
Processing procedure sequence；
If not starting light/heavy oil pattern automatic conversion control program, engine control system uses light oil pattern；
If starting light/heavy oil pattern automatic conversion controls program, engine control system extraction is acquired from fuel temperature sensor
The fuel oil arrived into machine temperature numerical value, according to fuel oil into the numerical value situation of machine temperature and pass through after the judgement in interval time determine
Engine control system is specifically divided into following two kinds of situations using light oil pattern or heavy oil pattern：
One, when the numerical value of fuel oil into machine temperature is invalid numerical, engine control system uses heavy oil pattern；
Two, when the numerical value of fuel oil into machine temperature is Effective Numerical；The Effective Numerical is less than particular value, starts timer, leads to
The numerical value for crossing multiple judgement fuel oil into the machine temperature of the first setting time intrinsic motivation control system is smaller than particular value, light/weight
Oily pattern automatic conversion control program sends out signal to engine control system ensures that engine control system uses light oil pattern；
After the Effective Numerical is more than particular value, start timer, passes through repeatedly sentencing for the second setting time intrinsic motivation control system
Determine fuel oil and be all not less than particular value into the numerical value of machine temperature, light/heavy oil pattern automatic conversion controls program to engine control system
System, which sends out signal, ensures that engine control system uses heavy oil pattern.Also, the first setting time intrinsic motivation control system
Repeatedly there is the case where Effective Numerical is more than particular value in any judgement in judgement, starts timer reclocking until more
Effective Numerical is smaller than particular value in secondary judgement；Any time in the multiple judgement of second setting time intrinsic motivation control system
Occur in judgement Effective Numerical less than particular value the case where, start timer reclocking until repeatedly judgement in Effective Numerical all
More than particular value.
The case where numerical value of above-mentioned fuel oil into machine temperature is invalid numerical is not only opened including following situations, such as temperature detection
Close failure, situations such as exception or connection line break down, the meaning between the lines is, above-mentioned invalid numerical refer to numerical value do not show or
Off-limits numerical value（Such as there are subzero 30 DEG C, the extreme cases such as 150 degrees Celsius above freezing）, above-mentioned particular value is 80 DEG C, on
It is 5s to state the first setting time, and the second setting time is 5s, judges that the frequency when Effective Numerical size is 0.1s/ times.
Further to explain in detail the above method, it is exemplified below.
Embodiment 1
Embodiment 1
Existing steamer A uses X-type marine engine, and upper relevant engine control system is equipped on the X-type marine engine
The related hardwares such as system, operator control panel, fuel temperature sensor, mutual connection relation repeat no more, and are controlled to engine
Light/heavy oil pattern automatic conversion control program is implanted in system；
Steamer offshore sea waters when driving, do not start above-mentioned light/heavy oil pattern automatic conversion control program, the X-type is peculiar to vessel to be started
The engine control system of machine directly use light oil pattern, run 20 nautical miles, engine all work well.
After steamer drives into blue water, starts above-mentioned light/heavy oil pattern automatic conversion and control program, engine control system
Extraction does not detect fuel oil into machine temperature from the collected temperature value of fuel temperature sensor, i.e. fuel oil is into machine temperature number
Value is invalid numerical, and engine control system uses heavy oil pattern, on inspection, fuel temperature sensor failure, but engine one
It cuts and works well.
Embodiment 2
Existing steamer B uses X-type marine engine, and upper relevant engine control system is equipped on the X-type marine engine
The related hardwares such as system, operator control panel, fuel temperature sensor, mutual connection relation repeat no more, and are controlled to engine
Light/heavy oil pattern automatic conversion control program is implanted in system；
Steamer offshore sea waters when driving, do not start above-mentioned light/heavy oil pattern automatic conversion control program, the X-type is peculiar to vessel to be started
The engine control system of machine directly use light oil pattern, run 30 nautical miles, engine all work well.
After steamer drives into blue water, starts above-mentioned light/heavy oil pattern automatic conversion and control program, engine control system
From the collected temperature value of fuel temperature sensor, the numerical value of fuel oil into machine temperature is 85 DEG C, is more than 80 DEG C of particular value for extraction,
Start timer, is all not less than 80 DEG C by the numerical value of multiple judgement fuel oil into the machine temperature of 5s intrinsic motivation control systems, gently/
Heavy oil pattern automatic conversion control program sends out signal to engine control system ensures that engine control system uses heavy oil mould
Formula.Run a period of time after, engine all work well.
Embodiment 3
Existing steamer C uses X-type marine engine, and upper relevant engine control system is equipped on the X-type marine engine
The related hardwares such as system, operator control panel, fuel temperature sensor, mutual connection relation repeat no more, and are controlled to engine
Light/heavy oil pattern automatic conversion control program is implanted in system；
Steamer starts above-mentioned light/heavy oil pattern automatic conversion and controls program when driving marine, engine control system extraction from
The numerical value of the collected temperature value of fuel temperature sensor, fuel oil into machine temperature is 41 DEG C, is less than 80 DEG C of particular value, starts meter
When device, be smaller than 80 DEG C by the numerical value of multiple judgement fuel oil into the machine temperature of 5s intrinsic motivation control systems, light/heavy oil pattern
Automatic conversion control program sends out signal to engine control system ensures that engine control system uses light oil pattern.Operation one
Section the time after, engine all work well.
Embodiment 4
Existing steamer D uses M type marine engines, and upper relevant engine control system is equipped on the M type marine engines
The related hardwares such as system, operator control panel, fuel temperature sensor, mutual connection relation repeat no more, and are controlled to engine
Light/heavy oil pattern automatic conversion control program is implanted in system；
Steamer is travelled in blue water, is started above-mentioned light/heavy oil pattern automatic conversion and is controlled program, engine control system extraction
After the collected temperature value of fuel temperature sensor, engine normal operation a couple of days, there is saltus step in fuel oil temperature value, is more than
200 DEG C, i.e. fuel oil is invalid numerical into machine temperature value, and engine control system uses heavy oil pattern, on inspection, fuel oil temperature
Sensor failure, but engine all work well.
Embodiment 5
Existing steamer E uses M type marine engines, and upper relevant engine control system is equipped on the M type marine engines
The related hardwares such as system, operator control panel, fuel temperature sensor, mutual connection relation repeat no more, and are controlled to engine
Light/heavy oil pattern automatic conversion control program is implanted in system；
Steamer is travelled in blue water, is started above-mentioned light/heavy oil pattern automatic conversion and is controlled program, engine control system extraction
From the collected temperature value of fuel temperature sensor, the numerical value of fuel oil into machine temperature is consistently greater than 80 DEG C, engine control system
System uses heavy oil pattern, and engine normal operation a couple of days, all work well.
For steamer after the homeward traveling into shallow sea area, engine switching uses ordinary diesel oil, number of the fuel oil into machine temperature
Value is down to 60 DEG C hereinafter, engine control system uses light oil pattern, to reaching port to ship safety, engine all operate just
Often.
The present invention is not limited to the above embodiments, for those skilled in the art, based on the upper concrete structure of the present invention
Equivalent variations and method and step simple replacement it is all within the scope of the present invention.
Claims (5)
1. a kind of light/heavy oil pattern automatic conversion control method, including engine control system and connect with engine control system
The operator control panel connect, it is characterised in that：Light oil pattern and heavy oil pattern, engine control are provided in the engine control system
Timer is set in system, into the conveying oil pipe of engine chamber on the fuel oil being connect with engine control system is installed
Temperature sensor is implanted into light/heavy oil pattern automatic conversion control into engine control system for detecting fuel oil into machine temperature
Program chooses whether to start light/heavy oil pattern automatic conversion control program by being operated in operator control panel；
If not starting light/heavy oil pattern automatic conversion control program, engine control system uses light oil pattern；
If starting light/heavy oil pattern automatic conversion controls program, engine control system extraction is acquired from fuel temperature sensor
The fuel oil arrived into machine temperature numerical value, according to fuel oil into the numerical value situation of machine temperature and pass through after the judgement in interval time determine
Engine control system uses light oil pattern or heavy oil pattern.
2. light/heavy oil pattern automatic conversion control method according to claim 1, it is characterised in that：When fuel oil is into machine temperature
When the numerical value of degree is invalid numerical, engine control system uses heavy oil pattern；When the numerical value of fuel oil into machine temperature is significant figure
When value；
The Effective Numerical is less than particular value, starts timer, passes through the multiple of the first setting time intrinsic motivation control system
The numerical value of judgement fuel oil into machine temperature is smaller than particular value, and light/heavy oil pattern automatic conversion controls program to engine control system
System, which sends out signal, ensures that engine control system uses light oil pattern；
After the Effective Numerical is more than particular value, starts timer, pass through the more of the second setting time intrinsic motivation control system
The numerical value of secondary judgement fuel oil into machine temperature is all not less than particular value, and light/heavy oil pattern automatic conversion controls program to engine control
System processed, which sends out signal, ensures that engine control system uses heavy oil pattern.
3. light/heavy oil pattern automatic conversion control method according to claim 2, it is characterised in that：The particular value is
80℃。
4. light/heavy oil pattern automatic conversion control method according to claim 2, it is characterised in that：First setting time
There is the case where Effective Numerical is more than particular value in any judgement in the multiple judgement of intrinsic motivation control system, starts meter
When device reclocking until repeatedly judgement in Effective Numerical be smaller than particular value；Second setting time intrinsic motivation control system
Repeatedly there is the case where Effective Numerical is less than particular value in any judgement in judgement, starts timer reclocking until more
Effective Numerical is all more than particular value in secondary judgement.
5. light/heavy oil pattern automatic conversion control method according to any one of claim 2-4, it is characterised in that：Institute
It is 5s to state the first setting time, and the second setting time is 5s, judges that the frequency when Effective Numerical size is 0.1s/ times.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111396221A (en) * | 2020-03-31 | 2020-07-10 | 潍柴重机股份有限公司 | High-pressure oil pump sealing oil control system and method under light-heavy oil conversion |
| CN114215649A (en) * | 2021-12-31 | 2022-03-22 | 潍柴动力股份有限公司 | Light and heavy oil conversion linkage control method and device for engine |
| CN114233488A (en) * | 2021-12-08 | 2022-03-25 | 潍柴动力股份有限公司 | Light and heavy oil conversion control method and device for engine |
| CN115898730A (en) * | 2022-11-08 | 2023-04-04 | 哈尔滨工程大学 | Marine heavy oil pressure accumulator device applied to constant volume bomb |
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