CN103967559B - The defining method of machine oil reduction when minimum oil level and operation in oil sump - Google Patents
The defining method of machine oil reduction when minimum oil level and operation in oil sump Download PDFInfo
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- CN103967559B CN103967559B CN201310047138.2A CN201310047138A CN103967559B CN 103967559 B CN103967559 B CN 103967559B CN 201310047138 A CN201310047138 A CN 201310047138A CN 103967559 B CN103967559 B CN 103967559B
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Abstract
The invention provides oil sump inner engine oil when a kind of motor runs and reduce method for determination of amount, comprise: first oil sump is connected with the graduated transparent pipe of band and forms connecting vessels, in this oil sump, inject a certain amount of machine oil, the liquid level in this transparent pipe is reach a certain height; Rerun after this motor a period of time, record the height that in this transparent pipe, liquid level declines, to calculate when this motor runs remaining oil level in oil sump; Finally the oil level added in this oil sump to be deducted when motor runs remaining oil level in oil sump, thus machine oil reduction Δ V when determining that motor runs in oil sump.The present invention also provides minimum oil level V in a kind of oil sump
kdefining method, V
k=V
0+ Δ V, wherein V
0for machine oil liquid level height is in engine oil capacity when sump strainer rolls off the production line.Above-mentioned parameter can also reduce machine oil use amount while really fixing on and ensureing safe driving thus reduce costs.
Description
Technical field
The present invention relates to technical field of engines, particularly relate to a kind of motor run time oil sump inner engine oil reduction and oil sump in minimum machine oil method for determination of amount.
Background technique
Current domestic car petrol engine autonomous Design exploitation is also in the starting stage, and the design and verification method of some motor key design parameters also compares shortcoming.In engine design, the design of oil sump directly can have influence on the rideability of engine body performance and institute's lift-launch car load.The most key in the design of oil sump is exactly the oil reserve of oil sump.
And the upper and lower position of the oil level reduced in oil sump when will determine that when the oil reserve of design verification oil sump the interior reservoir oil mass of motor, motor run and dipstick scale, the wherein of paramount importance oil level being exactly motor and reducing when running, because safety problem when it is related to that the determination of dipstick lower position and user drive.
Seldom there is the way verifying above parameter now, so often select the machine oil adding q.s in order to safety problem when user drives, but be just faced with the problem that cost increases like this.
Summary of the invention
The features and advantages of the present invention are partly stated in the following description, or can be apparent from this description, or learn by putting into practice the present invention.
For overcoming the problem of prior art, the invention provides oil sump inner engine oil when a kind of motor runs and reduce method for determination of amount, minimum machine oil method for determination of amount in a kind of oil sump is provided simultaneously, when using method determination motor of the present invention to run the reduction of oil sump inner engine oil not only step simply do not need special equipment, and adopt the minimum oil level in oil sump of the present invention to decrease machine oil injection amount while guarantee meets safe driving condition, thus reduce cost.
It is as follows that the present invention solves the problems of the technologies described above adopted technological scheme:
According to an aspect of the present invention, when providing a kind of motor to run, oil sump inner engine oil reduces method for determination of amount, comprise: first carry out step S1, oil sump is connected with the graduated transparent pipe of band and forms connecting vessels, and determines the relation between the liquid level height in oil sump machine oil volume and transparent pipe; In this oil sump, inject a certain amount of machine oil, the liquid level in this transparent pipe is reach a certain height; Carry out step S2 again, after running this motor a period of time, record the height that liquid level in this transparent pipe declines, and to calculate when this motor runs remaining oil level in oil sump according to the relation between the liquid level height in this oil sump machine oil volume and transparent pipe; Finally carry out step S3 and the oil level added in this oil sump to be deducted when motor runs remaining oil level in oil sump, thus machine oil reduction when determining that motor runs in oil sump.
According to one embodiment of present invention, in this step S1, in this oil sump, inject the motor maximum machine oil adding amount V of demarcation
max, and record the liquid level height X in this transparent pipe
max.
According to one embodiment of present invention, to injection engine maximum machine oil adding amount V in this oil sump
maxtime, first add the motor minimum machine oil adding amount V of demarcation
min, more progressively add machine oil, until the machine oil in this oil sump reaches the motor maximum machine oil adding amount V of this demarcation
max; While adding machine oil, record the liquid level height in this transparent pipe and add the volume of machine oil, and draw the relation between the liquid level height in oil sump machine oil volume and transparent pipe accordingly.
According to one embodiment of present invention, in this step S2, first counter drag or run this motor a period of time after, shut down and leave standstill this motor a period of time, the liquid level height now in this transparent pipe can decline to some extent; Then again in this oil sump, machine oil is added until the liquid level height in this transparent pipe reaches X
max, the amount rejoining machine oil is exactly the interior reservoir oil mass V of motor
1; And then after running this motor a period of time, record the height that liquid level in this transparent pipe declines, and to calculate when this motor runs remaining oil level V in oil sump
2, now, machine oil reduction Δ V=V when this motor runs in this step S3 in oil sump
max+ V
1-V
2.
According to one embodiment of present invention, the oil level in this oil sump is the maximum machine oil adding amount V of motor
maxtime, according to the upper limit position of this dipstick of altitude record that dipstick is flooded by machine oil in this oil sump.
According to one embodiment of present invention, in this step S2, after determining the interior reservoir oil mass of motor, start this motor and this motor is run in full speed full load situation, record the height that in this transparent pipe, liquid level declines when oil temperature rises to 120 DEG C.
According to one embodiment of present invention, the oil level in this oil sump is the motor minimum machine oil adding amount V demarcated
minand the motor maximum machine oil adding amount V demarcated
maxtime, the lower position of this dipstick of altitude record flooded by machine oil in this oil sump according to dipstick respectively and upper limit position.
According to one embodiment of present invention, before inject machine oil in this oil sump, first in this transparent pipe, inject machine oil, make the engine oil level height of injection and the extreme lower position level of this oil sump.
According to another aspect of the present invention, the defining method of minimum oil volume in a kind of oil sump is provided: oil sump inner engine oil reduction Δ V when first determining that motor runs; Calculate machine oil liquid level height again and be in engine oil capacity V when sump strainer rolls off the production line
0; Finally determine minimum oil volume V in oil sump
k, V
k=V
0+ Δ V.
According to one embodiment of present invention, this V is calculated
0relation between liquid level height in this oil sump machine oil volume of Shi Liyong and transparent pipe calculates.
According to one embodiment of present invention, V is worked as
min< V
ktime, wherein V
minfor the minimum machine oil adding amount of motor demarcated, then needing according to oil sump oil level is V
ktime redefine dipstick lower position.
The parameters such as the relation between the liquid level height in the oil level that when motor provided by the invention runs, in oil sump inner engine oil reduction and oil sump, minimum machine oil method for determination of amount can determine the interior reservoir oil mass of motor simultaneously, motor reduces in oil sump when running, the upper and lower position of dipstick scale and oil sump machine oil volume and transparent pipe.The method is simple to operate, without the need to the apparatus of complexity, and utilizes minimum oil level in the oil sump determined to reduce costs, whether can meet the condition of safe driving in validator oil scale lower position further simultaneously, safer when user is driven.
By reading specification, those of ordinary skill in the art will understand the characteristic sum content of these technological schemes better.
Accompanying drawing explanation
Below by with reference to accompanying drawing describe the present invention particularly in conjunction with example, advantage of the present invention and implementation will be more obvious, wherein content shown in accompanying drawing is only for explanation of the present invention, and does not form restriction of going up in all senses of the present invention, in the accompanying drawings:
Fig. 1 is oil sump schematic diagram of the present invention.
The method flow diagram of oil sump inner engine oil reduction when Fig. 2 is determination motor of the present invention operation.
Embodiment
As shown in Figure 1, the present invention is communicated with transparent hose 20 in the bottom of engine sump tank 10 and forms connecting vessels, and this transparent hose is marked with scale.Driver uses the dipstick 30 be inserted in oil sump 10 to weigh the oil mass in oil sump 10, this dipstick 30 is carved with upper limit position and lower position, when only having between the upper limit position of the engine oil level in oil sump 10 on this dipstick 30 and lower position, just meets the condition of safe driving.
The upper limit position of this dipstick 30 is exactly the maximum machine oil adding amount V that the oil level of working as in this oil sump 10 is motor
maxtime, the height that this dipstick 30 is flooded by machine oil in this oil sump 10.This dipstick 30 lower position is exactly the minimum machine oil adding amount V that the oil level of working as in this oil sump 10 is motor
mintime, the height that this dipstick 30 is flooded by machine oil in this oil sump 10.But the lower position of this dipstick is also closely bound up with minimum oil level in this oil sump 10, this is because when the engine is running, the oil duct of motor can have certain oil level, if the machine oil now in this oil sump 10 is positioned at sump strainer 40 and rolls off the production line, then can cause danger, wherein sump strainer rolls off the production line and refers to that sump strainer 40 is just inhaled less than machine oil machine oil liquid level height at that time.So the confirmation of minimum oil level is particularly important in this oil sump 10, and confirm that the committed step of minimum oil level in this oil sump 10 is exactly machine oil reduction when determining that motor runs in oil sump.
Please refer to Fig. 2, the method flow diagram of oil sump inner engine oil reduction when Fig. 2 is exactly determination motor of the present invention operation.Accurately can reflect to keep the engine oil level height in this transparent hose 20 and first in this transparent hose 20, inject engine oil level height in this oil sump 10 machine oil, make the engine oil level height of injection and the extreme lower position level of this oil sump 10.Wherein the extreme lower position of this oil sump 10 refers to the lower surface of this oil sump 10, if the lower surface of this oil sump 10 is not on same horizontal plane or irregular, then the extreme lower position of this oil sump 10 is exactly the lower surface being in bottommost.As this oil sump 10 has the first lower surface 11 and the second lower surface 12 in the present embodiment, and the distance on the second lower surface 12 and ground is lower than being positioned at the distance of the first lower surface 11 with ground, and so the second lower surface 12 is exactly the extreme lower position of this oil sump 10.
Then as the S1 step in Fig. 2, in this oil sump 10, inject machine oil, injection amount is motor maximum machine oil adding amount V
max, wherein motor maximum machine oil adding amount V
maxjust determine when motor designs, that is V
maxdemarcate.Certainly the oil level added during the reduction of oil sump inner engine oil when only needing calculation engine to run can compare V
maxfew, after filling up machine oil, record the liquid level height X in this transparent pipe 20
max.
Can determine the relation between the liquid level height in oil sump machine oil volume and transparent pipe in step sl, its concrete operation method is simultaneously: when adding machine oil in this oil sump 10, first can add motor minimum machine oil adding amount V
min, record the liquid level height X in this transparent pipe 20 simultaneously
min; And then progressively in this oil sump 10, add machine oil, can equivalent machine oil be taked when adding machine oil at every turn as 0.5L, 1L etc., need equally to record the liquid level height X in this transparent pipe 20 at every turn after adding machine oil
x, until the oil level in this oil sump 10 reaches motor maximum machine oil adding amount V
max.The relation of the liquid level height in oil sump machine oil volume and transparent pipe is drawn according to the oil level in this oil sump 10 of record and the liquid level height in this transparent pipe 20.
In this step S1, can also determine the upper and lower position of this dipstick 30, its concrete operation method is: when the oil level in this oil sump 10 is the minimum machine oil adding amount V of motor
minand the maximum machine oil adding amount V of motor
maxtime, the lower position of this dipstick 30 of altitude record flooded by machine oil in this oil sump 10 according to this dipstick 30 respectively and upper limit position.
Then carry out S2 step, after running motor a period of time, use camera or other means to observe and record the height of this transparent pipe 10 inner engine oil liquid level decline.Then remaining oil level in oil sump is calculated when this motor runs according to the relation of the liquid level height in the oil sump machine oil volume that obtains in S1 step and transparent pipe.
Finally carry out S3 step, the oil level added to be deducted when motor runs remaining oil level in oil sump, thus machine oil reduction when determining that motor runs in oil sump in this oil sump.
When needing the interior reservoir oil mass V determining motor at this step S2
1time, the specific operation of this step S2 are as described below.First counter drag motor a period of time (as 10 minutes) after, stop this motor, wherein the anti-motor that drags refers to when motor is in off-mode, utilizes other equipment such as generator to drive motor to run.After stopping this motor, the liquid level height in this transparent pipe 20 can decline to some extent, will some machine oil exist in the oil duct of motor this is because motor is shut down after running again.Then need again in this oil sump 10, to add machine oil, until the liquid level height in this transparent pipe 20 reaches X
max, the oil level namely now in this oil sump 10 is motor maximum machine oil adding amount V
max.Record the oil level V rejoined
1, V
1just be equivalent to engine interior oil reserve.Then start and run motor, motor is run in full speed full load situation under namely motor is in maximum moment of torsion rotating speed, when the oil temperature being positioned at this oil sump 10 rises to 120 DEG C, use camera or other means to observe and record the height of this transparent pipe 10 inner engine oil liquid level decline.Then the relation of the liquid level height in the oil sump machine oil volume and transparent pipe that obtain in S1 step is utilized to calculate motor operationally remaining oil level V in this oil sump 10
2.Now, in above-mentioned steps S3, the oil level added in this oil sump is V
max+ V
1, so motor run time machine oil reduction Δ V=V
max+ V
1-V
2.
When determining that motor runs machine oil reduction Δ V after, just then can determine to meet minimum oil level V in this oil sump 10 that safe driving requirement is
k, V
k=V
0+ Δ V, wherein V
0for machine oil is positioned at engine oil capacity when sump strainer rolls off the production line.At calculating V
0time, the relation of the liquid level height in the oil sump machine oil volume and transparent pipe that obtain in S1 step can be utilized equally.
Determining minimum oil level V in this oil sump 10
kafter, can verify whether the lower position of this dipstick 30 meets the condition of safe driving, because the lower position of this dipstick 30 is the minimum machine oil adding amount V of motor according to the oil level in oil sump 10
minin time, is determined, so only need judge V
minwhether satisfy condition V
min>=V
kif satisfy condition, without the need to changing the lower position of this dipstick 30; If do not satisfy condition i.e. now V
min< V
k, then needing according to oil sump oil level is V
ktime redefine the lower position of this dipstick 30.
Minimum oil level in oil sump inner engine oil reduction and oil sump when adopting method determination motor of the present invention to run, while measuring, not only determine the relation between the liquid level height in the position of dipstick upper and lower, the interior reservoir oil mass of motor and oil sump machine oil volume and transparent pipe, the oil level that adds in advance can also be determined according to oil level minimum in oil sump, reduce cost, more whether can meet the condition of safe driving in validator oil scale lower position further, safer when user is driven.
Above with reference to the accompanying drawings of the preferred embodiments of the present invention, those skilled in the art do not depart from the scope and spirit of the present invention, and multiple flexible program can be had to realize the present invention.For example, to illustrate as the part of an embodiment or the feature that describes can be used for another embodiment to obtain another embodiment.These are only the better feasible embodiment of the present invention, not thereby limit to interest field of the present invention that the equivalence change that all utilizations specification of the present invention and accompanying drawing content are done all is contained within interest field of the present invention.
Claims (10)
1. when motor runs, oil sump inner engine oil reduces a method for determination of amount, it is characterized in that, comprising:
Step S1, oil sump be connected with the graduated transparent pipe of band and form connecting vessels, and determining the relation between the liquid level height in oil sump machine oil volume and transparent pipe; In described oil sump, inject a certain amount of machine oil, the liquid level in described transparent pipe is reach a certain height;
Step S2, run described motor a period of time after, record the height that liquid level in described transparent pipe declines, and to calculate when described motor runs remaining oil level in oil sump according to the relation between the liquid level height in described oil sump machine oil volume and transparent pipe;
Step S3, the oil level added in described oil sump to be deducted when motor runs remaining oil level in oil sump, thus machine oil reduction when determining that motor runs in oil sump.
2. when motor according to claim 1 runs, oil sump inner engine oil reduces method for determination of amount, it is characterized in that, in described step S1, injects the motor maximum machine oil adding amount V of demarcation in described oil sump
max, and the liquid level height recorded in described transparent pipe is X
max.
3. when motor according to claim 2 runs, oil sump inner engine oil reduces method for determination of amount, it is characterized in that, to injection engine maximum machine oil adding amount V in described oil sump
maxtime, first add the motor minimum machine oil adding amount V of demarcation
min, more progressively add machine oil, until the machine oil in described oil sump reaches the motor maximum machine oil adding amount V of described demarcation
max; While adding machine oil, record the liquid level height in described transparent pipe and add the volume of machine oil, and draw the relation between the liquid level height in oil sump machine oil volume and transparent pipe accordingly.
4. when motor according to claim 3 runs, oil sump inner engine oil reduces method for determination of amount, it is characterized in that, in described step S2, first counter drag or run described motor a period of time after, shut down and leave standstill described motor a period of time, the liquid level height now in described transparent pipe can decline to some extent; Then again in described oil sump, machine oil is added until the liquid level height in described transparent pipe reaches X
max, the amount rejoining machine oil is exactly the interior reservoir oil mass V of motor
1; And then after running described motor a period of time, record the height that liquid level in described transparent pipe declines, and to calculate when described motor runs remaining oil level V in oil sump
2, now, machine oil reduction Δ V=V when motor described in described step S3 runs in oil sump
max+ V
1-V
2.
5. when motor according to claim 4 runs, oil sump inner engine oil reduces method for determination of amount, it is characterized in that, in described step S2, after determining the interior reservoir oil mass of motor, starting described motor makes described motor run in full speed full load situation, records the height that in described transparent pipe, liquid level declines when oil temperature rises to 120 DEG C.
6. when motor according to claim 3 runs, oil sump inner engine oil reduces method for determination of amount, it is characterized in that, the oil level in described oil sump is the motor minimum machine oil adding amount V demarcated
minand the motor maximum machine oil adding amount V demarcated
maxtime, the lower position of dipstick described in the altitude record of being flooded by machine oil in described oil sump according to dipstick respectively and upper limit position.
7. when motor according to claim 1 runs, oil sump inner engine oil reduces method for determination of amount, it is characterized in that, before inject machine oil in described oil sump, first in described transparent pipe, inject machine oil, make the engine oil level height of injection and the extreme lower position level of described oil sump.
8. a minimum machine oil method for determination of amount in oil sump, is characterized in that:
Oil sump inner engine oil reduction Δ V when method determination motor according to any one of claim 1-7 runs;
Calculate machine oil liquid level height and be in engine oil capacity V when sump strainer rolls off the production line
0;
Determine minimum oil level V in oil sump
k, V
k=V
0+ Δ V.
9. minimum machine oil method for determination of amount in oil sump according to claim 8, is characterized in that, calculate described V
0relation between liquid level height in oil sump machine oil volume described in Shi Liyong and transparent pipe calculates.
10. minimum machine oil method for determination of amount in oil sump according to claim 8, is characterized in that, work as V
min< V
ktime, wherein V
minfor the minimum machine oil adding amount of motor demarcated, then needing according to oil sump oil level is V
ktime redefine the lower position of dipstick.
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|---|---|---|---|
| CN201310047138.2A CN103967559B (en) | 2013-02-05 | 2013-02-05 | The defining method of machine oil reduction when minimum oil level and operation in oil sump |
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|---|---|---|---|
| CN201310047138.2A CN103967559B (en) | 2013-02-05 | 2013-02-05 | The defining method of machine oil reduction when minimum oil level and operation in oil sump |
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| CN103967559B true CN103967559B (en) | 2015-11-04 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443193B (en) * | 2014-08-11 | 2019-04-16 | 刘新羽 | A kind of automobile engine lubricating oil guarantees device and its control method |
| CN105545410B (en) * | 2015-12-16 | 2018-03-02 | 重庆长安汽车股份有限公司 | A kind of Lubricant of Automobile Engine fills method for determination of amount |
| CN106677856A (en) * | 2016-12-29 | 2017-05-17 | 沪东重机有限公司 | Heavy medium-speed diesel engine wet oil sump for nuclear power emergency generator |
| CN110579263A (en) * | 2018-06-11 | 2019-12-17 | 北汽福田汽车股份有限公司 | calibration method of engine oil dipstick |
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| DE2327794A1 (en) * | 1973-06-01 | 1974-12-19 | Motoren Turbinen Union | FILLING LINE FOR LIQUID TANK |
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| CN103967559A (en) | 2014-08-06 |
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Inventor after: Wu Jian Inventor after: Huang Xiangdong Inventor after: Wu Song Inventor after: Zhang Di Inventor after: Li Yunhong Inventor after: Zhou Jia Inventor before: Zhang Di Inventor before: Li Yunhong Inventor before: Zhou Jia |
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