CN107965389B - Petrol engine merges method - Google Patents
Petrol engine merges method Download PDFInfo
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- CN107965389B CN107965389B CN201711183816.2A CN201711183816A CN107965389B CN 107965389 B CN107965389 B CN 107965389B CN 201711183816 A CN201711183816 A CN 201711183816A CN 107965389 B CN107965389 B CN 107965389B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B79/00—Running-in of internal-combustion engines
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Abstract
The invention discloses a kind of petrol engines to merge method, real-time monitoring, which is carried out, in multiple operating points in engine adjustment program merges state, realize the passability inspection of detail in the period of adjustment, 2000rpm can be used between each operating point simultaneously, this identical operating point of 2bar checks whether engine is normal, it can find the problem in time, avoid engine damage, and real-time monitoring engine merges state, whether friction level has reached stabilization, whether engine oil pressure has reached stabilization, engine all stable operation during follow-up test for completing adjustment, fully improve the adjustment of engine key position, depth has excavated engine performance and enhancing Engine Durability energy, improve running-in effect.
Description
Technical field
The present invention relates to automobile technical fields, merge method more particularly to a kind of petrol engine.
Background technique
Automobile engine requires to merge engine before factory, and engine adjustment is primarily referred to as that engine is allowed to exist
The operating condition of different load works, and realizes adjustment, reaches optimum performance, and finding at the same time may under Different Work Condition of Engine
The problem.
The mechanical completion of existing petrol engine adjustment program merges program, finally the ability opposite grinding after merging EP (end of program)
The passability inspection that program carries out overall formula is closed, this mode may cause engine adjustment and be not enough, adjustment ginseng be not achieved
Number indexs, can not timely find engine there may be the problem of, while merge be not enough and lead to towing astern torque
It is bigger than normal to influencing the external characteristics performance of engine so that performance is unable to satisfy development goal, it will influence function development experiments,
Such as the validity of the tests such as crankcase ventilation test, machine oil air content test, lubricating system test.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, it is an object of the invention to
It proposes a kind of petrol engine adjustment method, realizes in the period of adjustment, find the problem in time, real-time monitoring engine merges shape
State promotes running-in effect.
Petrol engine according to an embodiment of the present invention merges method, comprising:
First stage step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
First stage under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
First stage step 3: 2000rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
First stage step 4: 2500rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
First stage under the engine operating condition of 2000rpm, 2bar step 5: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
First stage step 6: 3000rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
First stage step 7: 3500rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
First stage under the engine operating condition of 2000rpm, 2bar step 8: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
First stage step 9: 4000rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
First stage step 10: 4500rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
In the above-mentioned first stage, every engine operating condition for completing 2000rpm, a 2bar compares a logging machine
Oil pressure, oil temperature and fuel consumption rate carry out inspection to engine when at least one data is deposited when abnormal, to be confirmed
After engine condition is normal, previous action is repeated, the engine of 2000rpm, throttle wide is compared after completing the first stage
Towing astern loss, when the data of engine towing astern loss occur abnormal, the return first stage merges again, if not occurring exception,
Then carry out second stage adjustment；
Second stage step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Second stage step 3: 2000rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage step 4: 2500rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 5: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Second stage step 6: 3000rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage step 7: 3500rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 8: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Second stage step 9: 4000rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage step 10: 4500rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage step 11: run 10 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
Second stage is step 12: the engine operating condition in 5000rpm, 2/4 maximum safe load is run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage step 13: run 10 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
In above-mentioned second stage, every engine operating condition for completing 2000rpm, a 2bar compares a logging machine
Oil pressure, oil temperature and fuel consumption rate carry out inspection to engine when at least one data is deposited when abnormal, to be confirmed
After engine condition is normal, previous action is repeated, the engine of 2000rpm, throttle wide is compared after completing second stage
Towing astern loss, when the data of engine towing astern loss occur abnormal, the return first stage merges again, if not occurring exception,
Then carry out phase III adjustment；
Phase III step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Phase III step 3: 2500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 4: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Phase III step 5: 3000rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Phase III step 6: 3500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 7: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Phase III step 8: 4000rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Phase III step 9: 4500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 10: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Phase III step 11: 5000rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, note
Record engine oil pressure, oil temperature and fuel consumption rate；
Phase III step 12: 5500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, note
Record engine oil pressure, oil temperature and fuel consumption rate；
Phase III step 13: run 10 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
In the above-mentioned phase III, every engine operating condition for completing 2000rpm, a 2bar compares a logging machine
Oil pressure, oil temperature and fuel consumption rate carry out inspection to engine when at least one data is deposited when abnormal, to be confirmed
After engine condition is normal, previous action is repeated, the engine of 2000rpm, throttle wide is compared after completing the phase III
Towing astern loss, when the data of engine towing astern loss occur abnormal, the return first stage merges again, if not occurring exception,
Then carry out fourth stage adjustment；
Fourth stage step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Fourth stage step 3: 2500rpm, maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 4: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Fourth stage step 5: 3000rpm, maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 6: 3500rpm, maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 7: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Fourth stage step 8: 4000rpm, maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 9: 4500rpm, maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 10: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Fourth stage step 11: 5000rpm, maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 12: 5500rpm, maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 13: run 10 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
Fourth stage step 14: 6000rpm, maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 15: 6500rpm, maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 16: run 10 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
Fourth stage step 17: run 5 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
In above-mentioned fourth stage, every engine operating condition for completing 2000rpm, a 2bar compares a logging machine
Oil pressure, oil temperature and fuel consumption rate carry out inspection to engine when at least one data is deposited when abnormal, to be confirmed
After engine condition is normal, previous action is repeated, the engine of 2000rpm, throttle wide is compared after completing fourth stage
Towing astern loss, when the data of engine towing astern loss occur abnormal, the return first stage merges again, if not occurring exception,
Then terminate to merge.
Petrol engine according to an embodiment of the present invention merges method, clicks through in engine adjustment program in multiple operating conditions
Row real-time monitoring merges state, realizes the passability inspection of detail in the period of adjustment, while can between each operating point
Check whether engine is normal, can find the problem in time, and when engine falls using identical operating point (2000rpm, 2bar)
When the data of loss being dragged to occur abnormal, can all return to the first stage merges again, avoids engine damage, and real-time monitoring is started
Machine merges state, and whether friction level has reached stabilization, and whether engine oil pressure has reached stabilization, and the engine for completing adjustment exists
All stable operation during follow-up test, fully improves the adjustment of engine key position, depth has excavated engine
It can and enhance Engine Durability energy, improve running-in effect.
In addition, petrol engine according to the above embodiment of the present invention merges method, there can also be following additional skill
Art feature:
Further, in one embodiment of the invention, before being merged, the petrol engine is mounted in electricity
On power measurement of power machine frame, and warming-up being carried out to the petrol engine, warming-up operating condition is 2000rpm, 1/4 maximum safe load,
When water temperature and oil temperature reach 90 DEG C ± 2 DEG C, warming-up is completed.
Further, in one embodiment of the invention, each operating point records 3 data, and record lasts every time
2mins, and synchronize and record 300 circulating combustion data using Combustion tester.
Further, in one embodiment of the invention, in 3/4 maximum safe load, the operating condition of maximum safe load
In, enriching oil spout is carried out to engine, opens exhaust valve opening degree, the angle of ignition is added and subtracted with 0.375CRK, and exhaust valve opening degree is with 0.1 degree
Plus-minus.
Further, in one embodiment of the invention, when the operating condition variation of each engine, first change load to peace
Entire area, then change revolving speed.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with a specific embodiment to this hair
Technical solution in bright is clearly and completely described, it is clear that and described embodiments are some of the embodiments of the present invention, and
The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
One embodiment of the invention proposes that a kind of petrol engine adjustment method needs gasoline that will be to be merged before adjustment
Engine is mounted on electric dynamometer rack, and carries out warming-up to the petrol engine, and warming-up operating condition can be
2000rpm, 1/4 maximum safe load, when water temperature and oil temperature reach 90 DEG C ± 2 DEG C, warming-up is completed, here maximum safe load
I.e. maximum safe torque, is 100% full load for naturally aspirated engine, and engine with supercharger is 80% full load.For example, this
In embodiment, maximum safe load is 120Nm, then 1/4 maximum safe load is 30Nm, and 2/4 maximum safe load is 60Nm, 3/
4 maximum safe loads are 90Nm.
Adjustment method provided in this embodiment includes four running in stage, and each running in stage has multiple operating conditions, surveying
Examination is that each point selection of operating conditions records 3 data, and record lasts 2mins every time, as 2000rpm, 2bar operating condition under run
10mins, the data of 4~6mins of acquisition, 6~8mins, 8~10mins；It is synchronous that Combustion tester record 300 is utilized to follow
Ring burning data.Every time when adjustment operating condition, gas pedal aperture need to smoothly be slowly increased to designated position.
Adjustment method is described below in detail:
First stage step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Wherein, engine oil pressure, oil temperature and fuel consumption rate are essential record parameters, when it is implemented, can also be same
Shi Jilu ECU parameter, burning data and each measured sensor data etc., and before paying close attention to towing astern loss of machine of torque, compressor
Temperature, fuel oil temperature, coolant temperature, oil sump oil temperature, in it is cold after intake air temperature, compressor delivery temperature, turbine
The data such as intake air temperature, exhaust back pressure temperature, each operating condition can record above-mentioned parameter or data simultaneously below, it should be pointed out that
When, each operating condition should record the parameter or data of the same category, to be compared in parallel.
First stage under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
First stage step 3: 2000rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
First stage step 4: 2500rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
First stage under the engine operating condition of 2000rpm, 2bar step 5: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
First stage step 6: 3000rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
First stage step 7: 3500rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
First stage under the engine operating condition of 2000rpm, 2bar step 8: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
First stage step 9: 4000rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
First stage step 10: 4500rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
So far, the first stage in adjustment method completes, in the above-mentioned first stage, every completion 2000rpm, a 2bar
Engine operating condition, the primary record engine oil pressure of comparison, oil temperature and fuel consumption rate can also compare comparison air inlet pressure
The parameters such as drop, exhaust back pressure, oil consumption, throttle opening carry out inspection to engine when at least one data is deposited when abnormal,
After engine condition to be confirmed is normal, previous action is repeated, comparison 2000rpm, throttle wide after completes the first stage
The loss of engine towing astern, when the data of engine towing astern loss occur abnormal, for example towing astern moment of torsion is fallen than what is tested before
Drag torque bigger than normal, then return to the first stage merges again, if not occurring exception, carries out second stage adjustment；
Second stage step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Second stage step 3: 2000rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage step 4: 2500rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 5: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Second stage step 6: 3000rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage step 7: 3500rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 8: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Second stage step 9: 4000rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage step 10: 4500rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage step 11: run 10 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
Second stage is step 12: the engine operating condition in 5000rpm, 2/4 maximum safe load is run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Second stage step 13: run 10 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
So far, the second stage in adjustment method is completed, in above-mentioned second stage, every completion 2000rpm, a 2bar
Engine operating condition, the primary record engine oil pressure of comparison, oil temperature and fuel consumption rate can also compare comparison air inlet pressure
The parameters such as drop, exhaust back pressure, oil consumption, throttle opening carry out inspection to engine when at least one data is deposited when abnormal,
After engine condition to be confirmed is normal, previous action is repeated, comparison 2000rpm, throttle wide after completes second stage
The loss of engine towing astern, when the data of engine towing astern loss occur abnormal, for example towing astern moment of torsion is fallen than what is tested before
Drag torque bigger than normal, then return to the first stage merges again, if not occurring exception, carries out phase III adjustment；
Phase III step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Phase III step 3: 2500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 4: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Phase III step 5: 3000rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Phase III step 6: 3500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 7: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Phase III step 8: 4000rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Phase III step 9: 4500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 10: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Phase III step 11: 5000rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, note
Record engine oil pressure, oil temperature and fuel consumption rate；
Phase III step 12: 5500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, note
Record engine oil pressure, oil temperature and fuel consumption rate；
Phase III step 13: run 10 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
So far, the phase III in adjustment method completes, in the above-mentioned phase III, every completion 2000rpm, a 2bar
Engine operating condition, the primary record engine oil pressure of comparison, oil temperature and fuel consumption rate can also compare comparison air inlet pressure
The parameters such as drop, exhaust back pressure, oil consumption, throttle opening carry out inspection to engine when at least one data is deposited when abnormal,
After engine condition to be confirmed is normal, previous action is repeated, comparison 2000rpm, throttle wide after completes the phase III
The loss of engine towing astern, when the data of engine towing astern loss occur abnormal, for example towing astern moment of torsion is fallen than what is tested before
Drag torque bigger than normal, then return to the first stage merges again, if not occurring exception, carries out fourth stage adjustment；
Fourth stage step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Fourth stage step 3: 2500rpm, maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 4: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Fourth stage step 5: 3000rpm, maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 6: 3500rpm, maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 7: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Fourth stage step 8: 4000rpm, maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 9: 4500rpm, maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 10: run 10 minutes, record engine oil pressure, machine
Oil temperature and fuel consumption rate；
Fourth stage step 11: 5000rpm, maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 12: 5500rpm, maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 13: run 10 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
Fourth stage step 14: 6000rpm, maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 15: 6500rpm, maximum safe load engine operating condition under run 20 minutes, record
Engine oil pressure, oil temperature and fuel consumption rate；
Fourth stage step 16: run 10 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
Fourth stage step 17: run 5 minutes under the engine operating condition of 2000rpm, 2bar, record engine oil pressure,
Oil temperature and fuel consumption rate；
So far, the fourth stage in adjustment method is completed, in above-mentioned fourth stage, every completion 2000rpm, a 2bar
Engine operating condition, the primary record engine oil pressure of comparison, oil temperature and fuel consumption rate can also compare comparison air inlet pressure
The parameters such as drop, exhaust back pressure, oil consumption, throttle opening carry out inspection to engine when at least one data is deposited when abnormal,
After engine condition to be confirmed is normal, previous action is repeated, comparison 2000rpm, throttle wide after completes fourth stage
The loss of engine towing astern, when the data of engine towing astern loss occur abnormal, for example towing astern moment of torsion is fallen than what is tested before
Drag torque bigger than normal, then return to the first stage merges again, if not occurring exception, adjustment terminates.
It should be noted that in the present embodiment, in 3/4 maximum safe load, the operating condition of maximum safe load, to starting
Machine carries out enriching oil spout, opens exhaust valve opening degree, at this point, needing important to note that delivery temperature (delivery temperature is less than 950 DEG C) and quick-fried
Earthquake situations condition, the angle of ignition are added and subtracted with 0.375CRK, and (exhaust valve opening degree can step-length before 40% with 0.1 degree of plus-minus for exhaust valve opening degree
It is slightly larger, but small step-length is had to later, supercharging effect is soaring obvious at this time, and delivery temperature is easily more than 950 DEG C of limit value).In addition, every
When the operating condition variation of secondary engine, first changes load to safety zone, then change revolving speed, that is, guarantee that rotation speed change is in underload
Lower progress.
Petrol engine according to an embodiment of the present invention merges method, clicks through in engine adjustment program in multiple operating conditions
Row real-time monitoring merges state, realizes the passability inspection of detail in the period of adjustment, while can between each operating point
Check whether engine is normal, can find the problem in time, and when engine falls using identical operating point (2000rpm, 2bar)
When the data of loss being dragged to occur abnormal, can all return to the first stage merges again, avoids engine damage, and real-time monitoring is started
Machine merges state, and whether friction level has reached stabilization, and whether engine oil pressure has reached stabilization, and the engine for completing adjustment exists
All stable operation during follow-up test, fully improves the adjustment of engine key position, depth has excavated engine
It can and enhance Engine Durability energy, improve running-in effect.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (5)
1. a kind of petrol engine merges method, which is characterized in that including four running in stage, specifically include:
First stage step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record oil pressure
Power, oil temperature and fuel consumption rate；
First stage under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
First stage step 3: 2000rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
First stage step 4: 2500rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
First stage under the engine operating condition of 2000rpm, 2bar step 5: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
First stage step 6: 3000rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
First stage step 7: 3500rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
First stage under the engine operating condition of 2000rpm, 2bar step 8: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
First stage step 9: 4000rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
First stage step 10: 4500rpm, 1/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
In the above-mentioned first stage, the primary record oil pressure of every engine operating condition for completing 2000rpm, a 2bar, comparison
Power, oil temperature and fuel consumption rate carry out inspection to engine when at least one data is deposited when abnormal, to be confirmed to start
After machine state is normal, previous action is repeated, the engine towing astern of 2000rpm, throttle wide is compared after completing the first stage
Loss, when the data of engine towing astern loss occur abnormal, the return first stage merges again, if not occurring exception, into
The adjustment of row second stage；
Second stage step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record oil pressure
Power, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Second stage step 3: 2000rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Second stage step 4: 2500rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 5: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Second stage step 6: 3000rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Second stage step 7: 3500rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 8: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Second stage step 9: 4000rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Second stage step 10: 4500rpm, 2/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 11: run 10 minutes, record engine oil pressure, machine oil
Temperature and fuel consumption rate；
Second stage records machine oil step 12: the engine operating condition in 5000rpm, 2/4 maximum safe load is run 20 minutes
Pressure, oil temperature and fuel consumption rate；
Second stage under the engine operating condition of 2000rpm, 2bar step 13: run 10 minutes, record engine oil pressure, machine oil
Temperature and fuel consumption rate；
In above-mentioned second stage, the primary record oil pressure of every engine operating condition for completing 2000rpm, a 2bar, comparison
Power, oil temperature and fuel consumption rate carry out inspection to engine when at least one data is deposited when abnormal, to be confirmed to start
After machine state is normal, previous action is repeated, the engine towing astern of 2000rpm, throttle wide is compared after completing second stage
Loss, when the data of engine towing astern loss occur abnormal, the return first stage merges again, if not occurring exception, into
The adjustment of row phase III；
Phase III step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record oil pressure
Power, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Phase III step 3: 2500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 4: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Phase III step 5: 3000rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Phase III step 6: 3500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 7: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Phase III step 8: 4000rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Phase III step 9: 4500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 10: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Phase III step 11: 5000rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Phase III step 12: 5500rpm, 3/4 maximum safe load engine operating condition under run 20 minutes, logging machine
Oil pressure, oil temperature and fuel consumption rate；
Phase III under the engine operating condition of 2000rpm, 2bar step 13: run 10 minutes, record engine oil pressure, machine oil
Temperature and fuel consumption rate；
In the above-mentioned phase III, the primary record oil pressure of every engine operating condition for completing 2000rpm, a 2bar, comparison
Power, oil temperature and fuel consumption rate carry out inspection to engine when at least one data is deposited when abnormal, to be confirmed to start
After machine state is normal, previous action is repeated, the engine towing astern of 2000rpm, throttle wide is compared after completing the phase III
Loss, when the data of engine towing astern loss occur abnormal, the return first stage merges again, if not occurring exception, into
The adjustment of row fourth stage；
Fourth stage step 1: 2000rpm, throttle wide engine towing astern operating condition under run 5 minutes, record oil pressure
Power, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 2: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Fourth stage step 3: 2500rpm, maximum safe load engine operating condition under run 20 minutes, record oil pressure
Power, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 4: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Fourth stage step 5: 3000rpm, maximum safe load engine operating condition under run 20 minutes, record oil pressure
Power, oil temperature and fuel consumption rate；
Fourth stage step 6: 3500rpm, maximum safe load engine operating condition under run 20 minutes, record oil pressure
Power, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 7: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Fourth stage step 8: 4000rpm, maximum safe load engine operating condition under run 20 minutes, record oil pressure
Power, oil temperature and fuel consumption rate；
Fourth stage step 9: 4500rpm, maximum safe load engine operating condition under run 20 minutes, record oil pressure
Power, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 10: run 10 minutes, record engine oil pressure, machine oil temperature
Degree and fuel consumption rate；
Fourth stage step 11: 5000rpm, maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Fourth stage step 12: 5500rpm, maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 13: run 10 minutes, record engine oil pressure, machine oil
Temperature and fuel consumption rate；
Fourth stage step 14: 6000rpm, maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Fourth stage step 15: 6500rpm, maximum safe load engine operating condition under run 20 minutes, record machine oil
Pressure, oil temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 16: run 10 minutes, record engine oil pressure, machine oil
Temperature and fuel consumption rate；
Fourth stage under the engine operating condition of 2000rpm, 2bar step 17: run 5 minutes, record engine oil pressure, machine oil
Temperature and fuel consumption rate；
In above-mentioned fourth stage, the primary record oil pressure of every engine operating condition for completing 2000rpm, a 2bar, comparison
Power, oil temperature and fuel consumption rate carry out inspection to engine when at least one data is deposited when abnormal, to be confirmed to start
After machine state is normal, previous action is repeated, the engine towing astern of 2000rpm, throttle wide is compared after completing fourth stage
Loss, when the data of engine towing astern loss occur abnormal, the return first stage merges again, if not occurring exception, ties
Beam adjustment.
2. petrol engine according to claim 1 merges method, which is characterized in that before being merged, by the vapour
Oil turbine is mounted on electric dynamometer rack, and to the petrol engine carry out warming-up, warming-up operating condition be 2000rpm,
1/4 maximum safe load, when water temperature and oil temperature reach 90 DEG C ± 2 DEG C, warming-up is completed.
3. petrol engine according to claim 1 merges method, which is characterized in that each operating point records 3 data,
Record lasts 2mins every time, and synchronizes and record 300 circulating combustion data using Combustion tester.
4. petrol engine according to claim 1 merges method, which is characterized in that in 3/4 maximum safe load, maximum
In the operating condition of safe load, enriching oil spout is carried out to engine, opens exhaust valve opening degree, the angle of ignition is added and subtracted with 0.375CRK, is given up
Air valve opening is added and subtracted with 0.1 degree.
5. petrol engine according to claim 1 merges method, which is characterized in that the operating condition variation of each engine
When, first change load to safety zone, then change revolving speed.
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