CN114961921A - Oil pan oil quantity calculation method and vehicle - Google Patents
Oil pan oil quantity calculation method and vehicle Download PDFInfo
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- CN114961921A CN114961921A CN202210660423.0A CN202210660423A CN114961921A CN 114961921 A CN114961921 A CN 114961921A CN 202210660423 A CN202210660423 A CN 202210660423A CN 114961921 A CN114961921 A CN 114961921A
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- 238000004364 calculation method Methods 0.000 title claims abstract description 14
- 239000003921 oil Substances 0.000 claims description 406
- 239000010705 motor oil Substances 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 20
- 238000013507 mapping Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 13
- 239000010721 machine oil Substances 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
- F01M11/12—Indicating devices; Other safety devices concerning lubricant level
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M2250/00—Measuring
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to the technical field of vehicles and discloses an oil quantity calculation method of an oil pan and a vehicle.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to an oil pan oil quantity calculation method and a vehicle.
Background
The engine oil liquid level in the oil pan is measured to present engine adoption electron machine dipstick, specifically, fixes the one end of electron dipstick on engine organism or crankcase, and the other end inserts in the oil pan, and is different with gaseous heat transfer coefficient according to liquid, and the temperature that the wire that electron dipstick inserted in the oil pan one end immerges in the engine oil and exposes in the air of oil pan is different, utilizes the resistance value of wire along with the characteristic of temperature variation, exports different voltage value under the same current to the liquid level of monitoring machine oil.
However, because the engine has a mounting inclination when mounted on the engine body or the crankcase, the oil quantity of the oil pan differs by as much as 1L for each mounting inclination for an engine with a relatively large displacement. In addition, when the oil pan is inclined due to factors such as uneven road surface and the like, the oil level measured by the electronic engine oil gauge is inaccurate, so that the oil filling amount and the actually monitored oil level have great deviation, the condition that a breathing system sprays oil when the engine works due to excessive oil addition may exist, the condition that the engine lacks oil due to insufficient monitoring when the oil is excessively added may also exist, and the cylinder-pulling tile is caused in serious cases.
Disclosure of Invention
The invention aims to provide an oil pan oil quantity calculating method and a vehicle, which can improve the accuracy of an electronic engine oil level gauge in measuring the oil level.
In order to achieve the purpose, the invention adopts the following technical scheme:
an oil pan oil quantity calculating method comprises the following steps:
judging whether the vehicle is in a horizontal state, and if the vehicle is not in the horizontal state, acquiring the installation inclination angle of the engine, the current inclination angle of the vehicle body and the current inclination direction of the vehicle body;
calculating the oil quantity variable quantity corresponding to the installation inclination angle of the engine, the current inclination direction of the vehicle body and the current inclination angle of the vehicle body based on the mapping relation among the installation inclination angle of the engine, the inclination direction of the vehicle body, the inclination angle of the vehicle body and the oil quantity variable quantity, wherein the oil quantity variable quantity refers to the difference between the actual oil quantity of an oil pan and the oil quantity of the oil pan corresponding to the current oil level measured by an electronic oil rule when the vehicle is in a horizontal state;
measuring the current oil level in the oil pan through the electronic oil dipstick, and inquiring the oil amount of the oil pan corresponding to the current oil level measured by the electronic oil dipstick based on the mapping relation between the oil level measured by the electronic oil dipstick and the oil amount of the oil pan when the inclination angle of the vehicle body is zero;
and calculating the actual oil quantity of the oil pan according to the inquired oil quantity of the oil pan and the calculated oil quantity variable quantity.
As a preferable mode of the oil pan oil amount calculating method, the inclination angle of the vehicle body includes an inclination angle of the vehicle body in the front-rear direction with respect to a horizontal plane and an inclination angle of the vehicle body in the left-right direction with respect to the horizontal plane;
the inclination direction of the vehicle body includes an inclination direction of the front-rear direction of the vehicle body with respect to a horizontal plane, and an inclination direction of the left-right direction of the vehicle body with respect to the horizontal plane.
As a preferable technical solution of the oil pan oil amount calculating method, a mapping relationship between an installation inclination angle of the engine, an inclination direction of the vehicle body, an inclination angle of the vehicle body, and an oil amount variation amount includes:
the delta V represents the difference between the actual oil quantity of the oil pan and the oil quantity of the oil pan corresponding to the current oil level measured by the electronic engine dipstick;
vmin and Vmax represent the minimum and maximum oil volume in the oil pan, respectively;
g represents the current oil level in the oil pan measured by the electronic oil level gauge, and L represents the projection of the total length of the scribed line of the electronic oil level gauge in the running direction of the engine piston;
k is related to the current inclination direction of the vehicle body, and when the current oil level measured by the electronic oil level gauge is higher in the current inclination direction of the vehicle body, K is equal to-1; when the current inclined direction of the vehicle body enables the current oil level measured by the electronic oil level gauge to be lower, K is equal to 1.
As a preferred technical solution of the oil quantity calculation method of the oil pan, the oil pan includes a deep oil cavity and a shallow oil cavity communicated with an upper region of the deep oil cavity, and a depth of the deep oil cavity is greater than a depth of the shallow oil cavity; the oil pan is bilaterally symmetrical about a central plane in the front-rear direction of the vehicle, and the central axis of the electronic oil dipstick is on the central plane in the front-rear direction of the vehicle;
the measuring end of the electronic oil level gauge is inserted into the deep oil cavity from the side wall of the deep oil cavity far away from the shallow oil cavity;
the deep oil cavity is positioned on the front side of the shallow oil cavity, and when the vehicle body tilts forwards, the current engine oil level measured by the electronic engine oil gauge is higher than that of the vehicle body; when the vehicle body tilts backwards, the current engine oil level measured by the electronic engine oil level gauge is lower than that of the vehicle body; or the deep oil cavity is positioned at the rear side of the shallow oil cavity, and when the vehicle body tilts forwards, the current engine oil level measured by the electronic oil level gauge is lower than that of the vehicle body; when the vehicle body tilts backwards, the current engine oil level measured by the electronic oil level gauge is higher than the vehicle body level.
As a preferable technical scheme of the oil pan oil quantity calculating method, when the vehicle body is in a horizontal state, the inclination angle of the vehicle body relative to the horizontal plane is 0 degree;
when the inclination angle of the vehicle body relative to the horizontal plane is-16.7 degrees, the absolute value of K is equal to 1;
when the inclination angle of the vehicle body relative to the horizontal plane is larger than 16.7 degrees or smaller than-16.7 degrees, an alarm is given to prompt a driver that the oil quantity of the oil pan calculated according to the oil level measured by the electronic oil dipstick is too large to be different from the actual oil quantity.
As a preferable technical solution of the oil pan oil amount calculating method, V Practice of V + Δ V, wherein V Practice of And V represents the oil quantity of the oil pan corresponding to the current oil level measured by the electronic engine dipstick.
As a preferable technical solution of the oil pan oil amount calculating method, when the vehicle is in a horizontal state, the actual oil amount of the oil pan is obtained according to the following steps:
the current oil level in the oil pan is measured through the electronic oil dipstick, the oil pan oil amount corresponding to the current oil level measured by the electronic oil dipstick is inquired based on the mapping relation between the oil level measured by the electronic oil dipstick and the oil pan oil amount when the inclination angle of the vehicle body is zero, and the inquired oil pan oil amount is used as the actual oil amount of the oil pan.
The invention also provides a vehicle adopting the oil sump oil quantity measuring method, and the vehicle comprises the following steps:
an oil pan;
the electronic oil level gauge is used for measuring the current oil level in the oil pan;
and the inclination angle sensor is used for measuring the inclination angle of the vehicle body of the vehicle relative to the horizontal plane.
As a preferable technical solution of the vehicle, the vehicle further includes an engine and a crankcase located below the engine, the crankcase is located above the oil pan, and the electronic dipstick is mounted on a body of the engine or on the crankcase.
As a preferable technical scheme of the vehicle, the installation inclination angle of the engine of the vehicle is 2-6 degrees.
The invention has the beneficial effects that: according to the oil quantity calculating method and the vehicle of the oil pan, the oil quantity variable quantity caused by the three factors is determined based on the installation inclination angle of the engine, the inclination direction of the vehicle body and the inclination angle of the vehicle body, the oil quantity variable quantity refers to the difference between the actual oil quantity of the oil pan and the oil quantity of the oil pan corresponding to the current oil level measured by the electronic oil level gauge when the vehicle is in the horizontal state, the actual oil quantity of the oil pan is calculated according to the oil quantity of the oil pan corresponding to the current oil level measured by the electronic oil level gauge when the vehicle is in the horizontal state and the oil quantity variable quantity, and the accuracy of oil quantity measurement of the oil pan is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a flowchart of a method for calculating an oil amount of an oil pan according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The embodiment provides a vehicle, including engine, crankcase and oil pan, wherein, the crankcase is installed in the below of engine, and the oil pan is installed in the top of crankcase, and the oil pan has set the electron dipstick, and the electron dipstick is used for measuring the oil level in the oil pan to even report to the police when the oil in the oil pan is not enough, the suggestion driver adds machine oil, and confirms whether machine oil adds the target in place when adding machine oil. The engine is installed on the automobile body, and the electronic dipstick is installed on the organism or the crankcase of engine. The vehicle body is provided with an inclination angle sensor for measuring the inclination angle of the vehicle body relative to the horizontal plane.
When the engine is installed on the vehicle body, the engine has an installation oblique angle, namely the engine is installed obliquely relative to the vehicle body, and the installation oblique angle of the engine is 2-6 degrees exemplarily.
As shown in fig. 1, the present embodiment also provides an oil pan oil amount calculation method, which is applied to the vehicle, and includes the following steps:
s11, judging whether the vehicle is in a horizontal state, and if the vehicle is not in the horizontal state, acquiring the installation inclination angle of the engine, the current inclination angle of the vehicle body and the current inclination direction of the vehicle body;
s12, calculating the oil quantity variable quantity corresponding to the installation inclination angle of the engine, the current inclination direction of the vehicle body and the current inclination angle of the vehicle body based on the mapping relation among the installation inclination angle of the engine, the inclination direction of the vehicle body, the inclination angle of the vehicle body and the oil quantity variable quantity, wherein the oil quantity variable quantity refers to the difference between the actual oil quantity of an oil pan and the oil quantity of the oil pan corresponding to the current oil level measured by an electronic oil level gauge when the vehicle is in a horizontal state;
s13, measuring the current oil level in the oil pan through the electronic oil dipstick, and inquiring the oil amount of the oil pan corresponding to the current oil level measured by the electronic oil dipstick based on the mapping relation between the oil level measured by the electronic oil dipstick and the oil amount of the oil pan when the inclination angle of the vehicle body is zero;
and S14, calculating the actual oil quantity of the oil pan according to the inquired oil quantity of the oil pan and the calculated oil quantity variable quantity.
In this embodiment, the inclination angle of the vehicle body includes an inclination angle of the front-rear direction of the vehicle body with respect to the horizontal plane and an inclination angle of the left-right direction of the vehicle body with respect to the horizontal plane; the inclination direction of the vehicle body includes an inclination direction of the vehicle body front-rear direction with respect to the horizontal plane, and an inclination direction of the vehicle body left-right direction with respect to the horizontal plane.
Under the condition that oil pan mounted position confirms, the automobile body inclines to different directions for the horizontal plane, and the inclination angle is different, and the same liquid level of electron dipstick, the oil mass that causes when the automobile body inclines is different for the automobile body level. The oil quantity variation quantity caused by the three factors is determined based on the installation inclination angle of the engine, the inclination direction of the vehicle body and the inclination angle of the vehicle body, the oil quantity variation quantity refers to the difference between the actual oil quantity of the oil pan and the oil quantity of the oil pan corresponding to the current oil level measured by the electronic oil rule when the vehicle is in the horizontal state, the actual oil quantity of the oil pan is calculated according to the oil quantity and the oil quantity variation quantity of the oil pan corresponding to the current oil level measured by the electronic oil rule when the vehicle is in the horizontal state, the accuracy of oil quantity measurement of the oil pan is improved, and the problems that the oil filling quantity is inconsistent with maintenance specifications and the oil monitoring of the whole vehicle is inaccurate when the vehicle is at any inclination angle are solved.
On the premise of excluding the liquid level change caused by oil consumption, the embodiment takes the linear relationship between the oil amount change amount and the liquid level change as a premise, and obtains the mapping relationship among the installation inclination angle of the engine, the inclination direction of the vehicle body, the inclination angle of the vehicle body and the oil amount change amount.
Specifically, the mapping relationship between the installation inclination angle of the engine, the inclination direction of the vehicle body, the inclination angle of the vehicle body, and the amount of change in the oil amount includes:
Taking an oil pan as a conventional L-shaped oil pan as an example, the oil pan comprises a deep oil cavity and a shallow oil cavity communicated with the upper area of the deep oil cavity, and the depth of the deep oil cavity is greater than that of the shallow oil cavity; the oil pan is symmetrical left and right about a central plane in the front-rear direction of the vehicle, and the central axis of the electronic oil dipstick is on the central plane in the front-rear direction of the vehicle; the measuring end of the electronic oil level gauge is inserted into the deep oil cavity from the side wall of the deep oil cavity far away from the shallow oil cavity; the deep oil cavity is positioned on the front side of the shallow oil cavity, namely the oil pan is a front oil pan, and when the vehicle body leans forwards, the current engine oil level measured by the electronic engine oil dipstick is higher than the vehicle body level; when the vehicle body tilts backwards, the current engine oil level measured by the electronic oil level gauge is lower than that of the vehicle body.
In other embodiments, when the deep oil cavity is located on the rear side of the shallow oil cavity, that is, the oil pan is a rear oil pan, and when the vehicle body tilts forward, the current oil level measured by the electronic oil level gauge is lower than that of the vehicle body; when the vehicle body tilts backwards, the current engine oil level measured by the electronic oil level gauge is higher than that of the vehicle body.
In this embodiment, since the central axis of the electronic oil level indicator is on the central plane in the front-rear direction of the vehicle, when the vehicle body tilts left and right, the current oil level measured by the electronic oil level indicator is the same as that measured when the vehicle body is horizontal. In other embodiments, if the central axis of the electronic dipstick is not on the central plane in the front-rear direction of the vehicle, when the electronic dipstick is disposed to the left of the vehicle, and the vehicle body tilts left, the current oil level measured by the electronic dipstick is higher than the vehicle body level; when the vehicle body inclines to the right, the current engine oil level measured by the electronic oil level gauge is lower than the vehicle body level. When the electronic oil level gauge is arranged to be deviated to the right side of the vehicle and the vehicle body inclines left, the current oil level measured by the electronic oil level gauge is lower than that of the vehicle body; when the automobile body inclines to the right, the current engine oil liquid level measured by the electronic oil level gauge is higher than that of the automobile body.
In step S14, calculating the actual oil amount of the oil pan based on the inquired oil amount of the oil pan and the calculated oil amount variation includes: v Practice of V + Δ V, wherein V In fact And V represents the oil quantity of the oil pan corresponding to the current oil level measured by the electronic engine dipstick.
Further, when the vehicle body is in a horizontal state, the inclination angle of the vehicle body relative to the horizontal plane is 0 degree; when the inclination angle of the vehicle body relative to the horizontal plane is-16.7 degrees, the absolute value of K is equal to 1; when the inclination angle of the vehicle body relative to the horizontal plane is larger than 16.7 degrees or smaller than-16.7 degrees, an alarm is given to prompt a driver that the oil quantity of the oil pan calculated according to the oil level measured by the electronic oil dipstick is too large to be different from the actual oil quantity. Considering that the larger the inclination angle of the vehicle body is, the lower the accuracy of the mapping relation between the installation inclination angle of the engine, the inclination direction of the vehicle body, the inclination angle of the vehicle body and the oil amount variation obtained on the premise that the oil amount variation and the liquid level variation are in a linear relation is relatively, when the situation occurs, an alarm is given to prompt a driver that the difference between the oil amount of the oil pan obtained by calculation according to the oil level measured by the electronic oil dipstick and the actual oil amount of the oil pan is too large.
Further, when the vehicle is in the horizontality, acquire the actual oil mass of oil pan according to following step, measure the current machine oil liquid level in the oil pan through the electron machine dipstick, based on the inclination of automobile body is the mapping relation between the machine oil liquid level that zero hour electron machine dipstick was measured and the oil pan oil mass, the current oil pan oil mass that the current machine oil liquid level that inquires and electron machine dipstick corresponds to the oil pan oil mass that will inquire as the actual oil mass of oil pan.
Illustratively, the mapping relationship between the mounting inclination angle of the engine, the inclination direction of the vehicle body, the inclination angle of the vehicle body, and the amount of change in the amount of oil is obtained according to the following steps:
selecting an oil pan, and calculating actual oil quantities corresponding to different liquid levels in the oil pan at different inclination angles according to the shape and the size of the oil pan;
the oil sump is subjected to a bench calibration test, and the actual engine oil amount corresponding to different liquid levels at different inclination angles is verified and calibrated;
and fitting to obtain a functional relation among the installation inclination angle of the engine, the inclination direction of the vehicle body, the inclination angle of the vehicle body and the oil mass variation through test data obtained by a bench calibration test.
In addition, the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An oil pan oil quantity calculating method is characterized by comprising the following steps:
judging whether the vehicle is in a horizontal state, and if the vehicle is not in the horizontal state, acquiring the installation inclination angle of the engine, the current inclination angle of the vehicle body and the current inclination direction of the vehicle body;
calculating the oil quantity variable quantity corresponding to the installation inclination angle of the engine, the current inclination direction of the vehicle body and the current inclination angle of the vehicle body based on the mapping relation among the installation inclination angle of the engine, the inclination direction of the vehicle body, the inclination angle of the vehicle body and the oil quantity variable quantity, wherein the oil quantity variable quantity refers to the difference between the actual oil quantity of an oil pan and the oil quantity of the oil pan corresponding to the current oil level measured by an electronic oil rule when the vehicle is in a horizontal state;
measuring the current oil level in the oil pan through the electronic oil dipstick, and inquiring the oil amount of the oil pan corresponding to the current oil level measured by the electronic oil dipstick based on the mapping relation between the oil level measured by the electronic oil dipstick and the oil amount of the oil pan when the inclination angle of the vehicle body is zero;
and calculating the actual oil quantity of the oil pan according to the inquired oil quantity of the oil pan and the calculated oil quantity variable quantity.
2. The oil pan amount calculation method according to claim 1, wherein the inclination angle of the vehicle body includes an inclination angle of a vehicle body front-rear direction with respect to a horizontal plane and an inclination angle of a vehicle body left-right direction with respect to the horizontal plane;
the inclination direction of the vehicle body includes an inclination direction of the front-rear direction of the vehicle body with respect to a horizontal plane, and an inclination direction of the left-right direction of the vehicle body with respect to the horizontal plane.
3. The oil pan oil amount calculation method according to claim 1, wherein the mapping relationship among the installation inclination angle of the engine, the inclination direction of the vehicle body, the inclination angle of the vehicle body, and the amount of change in the oil amount includes:
the delta V represents the difference between the actual oil quantity of the oil pan and the oil quantity of the oil pan corresponding to the current oil level measured by the electronic engine dipstick;
vmin and Vmax represent the minimum and maximum oil volume in the oil pan, respectively;
g represents the current oil level in the oil pan measured by the electronic oil level gauge, and L represents the projection of the total length of the scribed line of the electronic oil level gauge in the running direction of the engine piston;
k is related to the current inclination direction of the vehicle body, and when the current oil level measured by the electronic oil level gauge is higher in the current inclination direction of the vehicle body, K is equal to-1; when the current inclined direction of the vehicle body enables the current oil level measured by the electronic oil level gauge to be lower, K is equal to 1.
4. The oil amount calculation method of an oil pan according to claim 3, wherein the oil pan includes a deep oil chamber and a shallow oil chamber communicating with an upper region of the deep oil chamber, a depth of the deep oil chamber being greater than a depth of the shallow oil chamber; the oil pan is bilaterally symmetrical about a central plane in the front-rear direction of the vehicle, and the central axis of the electronic oil dipstick is on the central plane in the front-rear direction of the vehicle;
the measuring end of the electronic oil level gauge is inserted into the deep oil cavity from the side wall of the deep oil cavity far away from the shallow oil cavity;
the deep oil cavity is positioned on the front side of the shallow oil cavity, and when the vehicle body tilts forwards, the current engine oil level measured by the electronic engine oil gauge is higher than that of the vehicle body; when the vehicle body tilts backwards, the current engine oil level measured by the electronic oil level gauge is lower than that of the vehicle body level; or the deep oil cavity is positioned at the rear side of the shallow oil cavity, and when the vehicle body tilts forwards, the current engine oil level measured by the electronic oil level gauge is lower than that of the vehicle body; when the vehicle body tilts backwards, the current engine oil level measured by the electronic oil level gauge is higher than the vehicle body level.
5. The oil pan oil amount calculation method according to claim 3, wherein when the vehicle body is in a horizontal state, the angle of inclination of the vehicle body with respect to the horizontal plane is 0 °;
when the inclination angle of the vehicle body relative to the horizontal plane is-16.7 degrees, the absolute value of K is equal to 1;
when the inclination angle of the vehicle body relative to the horizontal plane is larger than 16.7 degrees or smaller than-16.7 degrees, an alarm is given to prompt a driver that the oil quantity of the oil pan calculated according to the oil level measured by the electronic oil dipstick is too large to be different from the actual oil quantity.
6. The oil pan oil amount calculation method according to claim 3, wherein calculating an actual oil amount of the oil pan according to the inquired oil amount of the oil pan and the calculated oil amount variation includes:
V practice of V + Δ V, wherein V Practice of And the actual oil quantity of the oil pan is represented, and V represents the oil quantity of the oil pan corresponding to the current oil level measured by the electronic engine dipstick.
7. The oil pan oil amount calculation method according to any one of claims 1 to 6, characterized in that, when the vehicle is in a horizontal state, the actual oil amount of the oil pan is acquired in accordance with the following steps:
the current oil level in the oil pan is measured through the electronic oil dipstick, the oil pan oil amount corresponding to the current oil level measured by the electronic oil dipstick is inquired based on the mapping relation between the oil level measured by the electronic oil dipstick and the oil pan oil amount when the inclination angle of the vehicle body is zero, and the inquired oil pan oil amount is used as the actual oil amount of the oil pan.
8. A vehicle characterized by employing the oil pan amount calculation method according to any one of claims 1 to 7, the vehicle comprising:
an oil pan;
the electronic oil level gauge is used for measuring the current oil level in the oil pan;
and the inclination angle sensor is used for measuring the inclination angle of the vehicle body of the vehicle relative to the horizontal plane.
9. The vehicle of claim 8, further comprising an engine and a crankcase located below the engine, the crankcase being located above the oil pan, the electronic dipstick being mounted on a body of the engine or the crankcase.
10. The vehicle of claim 9, characterized in that the engine of the vehicle is mounted at an inclination of 2 ° -6 °.
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