CN112302757A - Engine oil pump control method, device and system and engine - Google Patents
Engine oil pump control method, device and system and engine Download PDFInfo
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- CN112302757A CN112302757A CN202011217254.0A CN202011217254A CN112302757A CN 112302757 A CN112302757 A CN 112302757A CN 202011217254 A CN202011217254 A CN 202011217254A CN 112302757 A CN112302757 A CN 112302757A
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- oil pump
- inclination angle
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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
- F01M1/00—Pressure lubrication
- F01M1/16—Controlling lubricant pressure or quantity
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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
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
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- General Engineering & Computer Science (AREA)
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Abstract
The application provides an engine oil pump control method, device and system and an engine, wherein the method comprises the steps of obtaining a working inclination angle of a vehicle and engine oil pressure of the engine; determining a preset critical inclination angle and a preset pressure of the engine, wherein the preset critical inclination angle and the preset pressure are a critical inclination angle and a critical pressure when a first oil pump of the engine is pumped; and controlling the working state of the second oil pump according to the working inclination angle, the engine oil pressure, the preset critical inclination angle and the preset pressure so as to normally supply oil to a lubricating system, controlling whether the second oil pump of the engine is started or not according to the inclination angle of the vehicle and the engine oil pressure of the engine, and starting the second oil pump of the engine only under the preset working condition determined according to the inclination angle of the vehicle and the engine oil pressure of the engine, so that a plurality of oil pumps are not required to be started simultaneously, and the power loss of the engine is reduced.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a method, a device and a system for controlling an engine oil pump and an engine.
Background
In the running process of a vehicle, the engine of the vehicle needs to suck engine oil from an oil pan through an engine oil pump to ensure the normal running of the vehicle, when the vehicle runs on a smooth road surface, the liquid level of the engine oil is kept horizontal, the engine oil pump can normally suck the oil, however, under the working condition that the vehicle runs on an up-down slope or the vehicle requires large-inclination work, a large amount of engine oil is gathered at a small end of the oil pan, an oil suction port of an engine oil collector of the engine oil pump cannot completely intrude the engine oil, so that the oil pump is emptied, the engine is scratched and pulled, and the safety performance and the.
In the related art, in order to adapt to the change of the inclination angle of a vehicle, an engine generally adopts a dual-engine oil pump lubricating system of a main engine oil pump and an auxiliary engine oil pump, the main engine oil pump and the auxiliary engine oil pump are integrated together, oil suction ports of strainers of engine oil of the main engine oil pump and the auxiliary engine oil pump are respectively positioned in a large head and a small head of an oil pan, and the oil suction of the engine oil pump is avoided by jointly sucking oil by the main engine oil pump and the auxiliary engine oil pump.
However, in the prior art, the integrated main oil pump and the auxiliary oil pump work together, and the power loss of the engine is overlarge.
Disclosure of Invention
The application provides an engine oil pump control method, device and system and an engine, so that the technical problems that in the prior art, an integrated main oil pump and an integrated auxiliary oil pump work together and the power loss of the engine is overlarge are solved.
In a first aspect, the present application provides an engine oil pump control method comprising:
acquiring a working inclination angle of a vehicle and oil pressure of an engine;
determining a preset critical inclination angle and a preset pressure of the engine, wherein the preset critical inclination angle and the preset pressure are a critical inclination angle and a critical pressure when a first oil pump of the engine is empty;
and controlling the working state of the second oil pump according to the working inclination angle, the engine oil pressure, the preset critical inclination angle and the preset pressure so as to normally supply oil to a lubricating system.
When the oil pump of the engine of the vehicle is controlled, the inclination angle of the vehicle and the oil pressure of the engine are firstly acquired, whether the second oil pump of the engine is started or not can be controlled according to the inclination angle of the vehicle and the oil pressure of the engine, and the lubricating system can normally supply oil according to the state of the second oil pump of the engine.
Optionally, determining the working state of the second oil pump according to the working inclination angle, the engine oil pressure, the preset critical inclination angle, and the preset pressure includes:
and if the working inclination angle is larger than the preset critical inclination angle and the engine oil pressure is smaller than a first preset pressure, starting the second oil pump so that the second oil pump can convey the engine oil to the large head of the oil pan.
Here, the embodiment of the application determines a working condition for starting the second oil pump, that is, when the working inclination is greater than a preset critical inclination and the oil pressure is less than a first preset pressure, the second oil pump is started, and the working condition when the first oil pump of the engine is sucked can be accurately determined through two preset thresholds, that is, the inclination and the oil pressure, so that the accuracy of engine control is further improved, the occurrence of phenomena of tile scraping, cylinder pulling and the like of the engine is further reduced, and the service life of the engine is prolonged.
Optionally, determining the working state of the second oil pump according to the working inclination angle, the engine oil pressure, the preset critical inclination angle, and the preset pressure includes:
and if the working inclination angle is smaller than the preset critical inclination angle and the engine oil pressure is larger than a second preset pressure, closing the second oil pump.
Here, in the embodiment of the present application, when the working inclination is smaller than the preset critical inclination and the engine oil pressure is greater than the second preset pressure, it can be determined that the first oil pump does not have a suction phenomenon at this time, and the second oil pump is directly turned off according to the determination result, so that the power loss of the engine is automatically and timely reduced.
Optionally, the determining a preset critical inclination angle of the engine includes:
and determining a preset critical inclination angle of the engine according to the shape of an oil pan of the engine, the oil quantity of the oil pan and the circulating oil quantity of the engine body.
Here, the preset critical inclination angle of the embodiment of the application can be determined according to the shape of the oil pan of the engine, the oil amount of the oil pan and the circulating oil amount of the engine body, and the indexes related to the critical inclination angle in the engine are combined, so that the errors caused by different engine indexes are solved, the preset critical inclination angle when the first oil pump of the engine is possibly sucked can be accurately determined, the accuracy of engine oil pump control is improved, and the power loss of the engine is further reduced.
Optionally, the starting the second oil pump to enable the second oil pump to deliver the oil to the large head of the oil pan includes:
and starting the second oil pump to enable the second oil pump to unidirectionally convey the engine oil to the large end of the oil pan.
Here, when the second oil pump conveys the engine oil to the big end of the oil pan, the engine oil can be conveyed only in one direction, so that the problems that partial engine oil overflows to the small end of the oil pan from the big end due to the structure of the oil pan, the improvement effect is slow, and the engine oil quantity of the big end of the oil pan in which the first oil pump is located still can be vacuumed are prevented, the efficiency of engine oil conveying is improved, the power loss of an engine is further reduced, and meanwhile, the service life of the engine is prolonged.
In a second aspect, an embodiment of the present application provides an engine oil pump control apparatus, including:
the acquisition module is used for acquiring the working inclination angle of the vehicle and the oil pressure of the engine;
the determining module is used for determining a preset critical inclination angle and a preset pressure of the engine, wherein the preset critical inclination angle and the preset pressure are a critical inclination angle and a critical pressure when a first oil pump of the engine is exhausted;
and the control module is used for controlling the working state of the second oil pump according to the working inclination angle, the engine oil pressure, the preset critical inclination angle and the preset pressure so as to normally supply oil to the lubricating system.
Optionally, the determining module is specifically configured to:
and if the working inclination angle is larger than the preset critical inclination angle and the engine oil pressure is smaller than a first preset pressure, starting the second oil pump so that the second oil pump can convey the engine oil to the large head of the oil pan.
Optionally, the determining module is specifically configured to:
and if the working inclination angle is smaller than the preset critical inclination angle and the engine oil pressure is greater than the second preset pressure, closing the second oil pump.
Optionally, the determining module is further configured to:
and determining a preset critical inclination angle of the engine according to the shape of an oil pan of the engine, the oil quantity of the oil pan and the circulating oil quantity of the engine body.
Optionally, the control module is specifically configured to start the second oil pump, so that the second oil pump unidirectionally delivers the engine oil to a large end of the oil pan.
In a third aspect, embodiments of the present application provide a computer-readable storage medium, in which computer-executable instructions are stored, and when the computer-executable instructions are executed by a processor, the computer-readable storage medium is used for implementing the engine oil pump control method according to the first aspect or the optional manner of the first aspect.
In a fourth aspect, an embodiment of the present application provides an engine oil pump control system, including a first oil pump, a second oil pump, an oil pan, and a controller;
the first oil pump and the second oil pump are connected and are respectively arranged above the large head and the small head of the oil pan;
the controller is connected to the second oil pump for executing the engine oil pump control method according to any one of claims 1 to 5.
Optionally, the first oil pump and the second oil pump are connected through a check valve.
Optionally, the engine oil pump control system further comprises a level gauge;
the level gauge is connected with the controller;
the gradienter is used for acquiring the working inclination angle of the vehicle.
In a fifth aspect, embodiments of the present application provide an engine including an engine oil pump control system as set forth in the fourth aspect or the alternatives of the fourth aspect.
According to the engine oil pump control method, the device and the system as well as the engine, when the oil pump of the engine of the vehicle is controlled, firstly, the inclination angle of the vehicle and the oil pressure of the engine are obtained, whether the second oil pump of the engine is started or not can be controlled according to the inclination angle of the vehicle and the oil pressure of the engine, and the lubricating system can normally supply oil according to the state of the second oil pump of the engine, wherein the first oil pump can be a main oil pump of the engine and is started when the engine works to bear the main work of the oil pump of the engine, and the second oil pump of the engine is only started under the preset working condition determined according to the inclination angle of the vehicle and the oil pressure of the engine, so that a plurality of oil pumps are not required to be started simultaneously, and the power loss of the engine is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic diagram of an integrated dual oil pump according to the prior art;
FIG. 2 is a schematic flow chart illustrating a method for controlling an oil pump of an engine according to an embodiment of the present disclosure;
FIG. 3 is a flow chart of another method of controlling an engine oil pump according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of an engine oil pump control device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an engine oil pump control system according to an embodiment of the present application.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terms "first," "second," "third," and "fourth," if any, in the description and claims of this application and the above-described figures are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the running process of a vehicle, the engine of the vehicle needs to suck engine oil from an oil pan through an engine oil pump to ensure the normal running of the vehicle, when the vehicle runs on a smooth road surface, the liquid level of the engine oil is kept horizontal, the engine oil pump can normally suck the oil, however, under the working condition that the vehicle runs on an up-down slope or the vehicle requires large-inclination work, a large amount of engine oil is gathered at a small end of the oil pan, an oil suction port of an engine oil collector of the engine oil pump cannot completely intrude the engine oil, so that the oil pump is emptied, the engine is scratched and pulled, and the safety performance and the.
In the related art, in order to adapt to the inclination angle change of a vehicle, an engine generally adopts a dual oil pump lubrication system of a primary oil pump and a secondary oil pump, exemplarily, fig. 1 is a schematic structural diagram of an integrated dual oil pump provided in the prior art, as shown in fig. 1, the integrated dual oil pump provided in the prior art includes a primary oil pump 101 and a secondary oil pump 102, oil suction ports of a strainer of the primary oil pump 101 and the secondary oil pump 102 are respectively located in a large end and a small end of an oil pan 103, wherein the primary oil pump 101 and the secondary oil pump 102 are integrated together, and the primary oil pump 101 and the secondary oil pump 102 suck oil together to avoid the occurrence of oil pump suction. However, when the engine in the prior art normally works, even if the vehicle is not inclined, the auxiliary pump is always in a working state under the condition that the main pump of the engine can normally absorb oil, partial power of the engine is wasted, and power loss of the engine is overlarge.
In order to solve the above technical problem, embodiments of the present application provide a method, a device, a system and an engine for controlling an oil pump of an engine, where a working state of a second oil pump is controlled by a working inclination angle of a vehicle and an oil pressure of the engine, and it is not necessary to generate excessive power when a first oil pump of the engine works normally, so as to reduce power consumption of the engine.
Optionally, the engine oil pump control method provided in the embodiment of the present application may be applied to an engine oil pump control system of a vehicle, where the system may include an oil pan, a controller, a first oil pump and a second oil pump, the first oil pump is located above a large end of the oil pan and is used for oil absorption of an engine, the second oil pump may be a structure of the engine itself or an external oil pump, and the controller controls a working state of the second oil pump through a working inclination angle of the vehicle and an oil pressure of the engine, and it is not necessary to generate excess power when the first oil pump of the engine normally works, so as to reduce power consumption of the engine. The network architecture and the service scenario described in the embodiment of the present application are for more clearly illustrating the technical solution of the embodiment of the present application, and do not form a limitation on the technical solution provided in the embodiment of the present application, and as a person of ordinary skill in the art knows that along with the evolution of the network architecture and the appearance of a new service scenario, the technical solution provided in the embodiment of the present application is also applicable to similar technical problems.
The technical solutions of the present application are described below with several embodiments as examples, and the same or similar concepts or processes may not be described in detail in some embodiments.
Fig. 2 is a schematic flow chart of an engine oil pump control method provided in an embodiment of the present application, where an execution subject in the embodiment of the present application may be an engine oil pump control system or a controller of the engine oil pump control system, and a specific execution subject may be determined according to an actual application scenario. As shown in fig. 2, the method comprises the steps of:
s201: and acquiring the working inclination angle of the vehicle and the oil pressure of the engine.
Alternatively, the working inclination angle of the vehicle can be obtained by a level meter and a sensor which are installed on the vehicle.
Alternatively, the oil pressure of the engine may be obtained by a pressure sensor.
Optionally, the working inclination angle and the engine oil pressure of the vehicle may be obtained in real time, or obtained at a time interval threshold, and the engine oil pump is adjusted in time, so as to further save power consumption.
S202: and determining a preset critical inclination angle and a preset pressure of the engine, wherein the preset critical inclination angle and the preset pressure are a critical inclination angle and a critical pressure when a first oil pump of the engine is pumped.
Alternatively, the preset critical inclination angle may be obtained from historical data of the inclination angle of the vehicle, for example: if the probability that the engine oil pump of the vehicle with the inclination angle larger than a certain preset inclination angle is empty is larger than the preset empty probability and/or the probability that the engine oil pump of the vehicle with the inclination angle smaller than the certain inclination angle does not have the empty phenomenon is larger than the preset normal probability in the historical data, the preset inclination angle is determined to be the preset critical inclination angle, so that the critical value of the vehicle inclination angle can be accurately determined according to the historical data of the vehicle inclination angle, and the accuracy of engine oil pump control is further improved.
Optionally, determining a preset critical inclination angle of the engine comprises: and determining a preset critical inclination angle of the engine according to the shape of an oil pan of the engine, the oil quantity of the oil pan and the circulating oil quantity of the engine body.
Here, according to the oil pan shape, the oil amount of the oil pan, the circulating oil amount of the engine body and the like, the preset critical inclination angle of the suction of the main pump strainer can be calculated, indexes related to the critical inclination angle in the engine are combined, errors caused by different engine indexes are avoided, and therefore the preset critical inclination angle when the first oil pump of the engine is possibly sucked can be accurately determined, the accuracy of engine oil pump control is improved, and the power loss of the engine is further reduced.
Optionally, the preset pressure may be obtained from historical data of oil pressure of the vehicle, or an oil pressure value determined according to an empirical value, or determined according to data such as relevant parameters of the oil pan and quality of the oil, and the like, which is not specifically limited in the present application.
S203: and controlling the working state of the second oil pump according to the working inclination angle, the engine oil pressure, the preset critical inclination angle and the preset pressure so as to normally supply oil to the lubricating system.
Here, the embodiment of the present application may achieve the purpose of saving power consumption of the engine by controlling the opening of the second oil pump, and includes the following specific alternatives:
the first alternative is as follows:
and if the working inclination angle is larger than the preset critical inclination angle and the engine oil pressure is smaller than the first preset pressure, starting the second oil pump so that the second oil pump can convey the engine oil to the large head of the oil pan.
Because the working inclination angle of the vehicle is too large, a large amount of engine oil in the oil pan is gathered at the small end, and the engine oil pressure is too small, and sufficient pressure and engine oil liquid level oil absorption cannot be provided for the first oil pump.
The second option is: and if the working inclination angle is smaller than the preset critical inclination angle and the engine oil pressure is larger than a second preset pressure, closing the second oil pump.
Here, in the embodiment of the present application, when the working inclination is smaller than the preset critical inclination and the engine oil pressure is greater than the second preset pressure, it can be determined that the first oil pump does not have a suction phenomenon at this time, and the second oil pump is directly turned off according to the determination result, so that the power loss of the engine is automatically and timely reduced.
Optionally, when the working inclination angle is smaller than the preset critical inclination angle and the engine oil pressure is greater than the second preset pressure, or the working inclination angle is greater than the preset critical inclination angle and the engine oil pressure is greater than the second preset pressure, the second oil pump may be controlled to be opened and closed according to actual conditions.
Optionally, starting the second oil pump to cause the second oil pump to deliver the oil to the large head of the oil pan, includes: and starting the second oil pump so that the second oil pump can unidirectionally convey the engine oil to the large end of the oil pan.
Alternatively, a one-way transport element, including a one-way valve, a check valve, etc., may be provided between the first oil pump and the second oil pump. This application embodiment is when the second oil pump carries machine oil to the big head of oil pan, but one-way transport machine oil only, has prevented because oil pan structure reason, and partial machine oil overflows the little head of oil pan by the big head, and the improvement effect that leads to is slow and the oil pan big head machine oil volume that first oil pump is in still can produce the problem of inhaling the sky, has improved the efficiency that machine oil was carried, has further reduced the power loss of engine, has also improved the life-span of engine simultaneously.
When the oil pump of the engine of the vehicle is controlled, the inclination angle of the vehicle and the oil pressure of the engine are firstly acquired, whether the second oil pump of the engine is started or not can be controlled according to the inclination angle of the vehicle and the oil pressure of the engine, and the lubricating system can normally supply oil according to the state of the second oil pump of the engine.
Fig. 3 is a flowchart of another engine oil pump control method provided in the embodiment of the present application, and as shown in fig. 3, the method includes the following specific steps:
s301: and acquiring the current oil pressure of the vehicle and the current inclination angle of the vehicle.
S302: and judging whether the current oil pressure and the current inclination angle of the vehicle are within specified values.
If the judgment result in S302 is yes, go to S303: the second oil pump of the engine is not started;
if the determination result in S302 is negative, go to S304: the second oil pump of the engine is started so that the oil pump of the vehicle engine works normally.
The embodiment of the application can judge whether the current engine oil pressure and the current inclination angle of the vehicle are in the specified values or not in the normal running process of the vehicle, adjust the state of the second oil pump of the vehicle in real time, and do not need continuous joint work of the two oil pumps, so that the power loss of the vehicle is saved under the condition that the oil absorption of the vehicle is normal.
Fig. 4 is a schematic structural diagram of an engine oil pump control device according to an embodiment of the present application, and as shown in fig. 4, the device according to the embodiment of the present application includes: an acquisition module 401, a determination module 402 and a control module 403. The engine oil pump control device here may be the controller itself in the engine oil pump control system, or a chip or an integrated circuit that realizes the function of the controller. It should be noted here that the division of the obtaining module 401, the determining module 402, and the controlling module 403 is only a division of logical functions, and the two may be integrated or independent physically.
The obtaining module 401 is configured to obtain an operating inclination angle of a vehicle and an oil pressure of an engine.
The determining module 402 is configured to determine a preset critical inclination angle and a preset pressure of an engine, where the preset critical inclination angle and the preset pressure are a critical inclination angle and a critical pressure when a first oil pump of the engine is empty.
And the control module 403 is configured to control the working state of the second oil pump according to the working inclination angle, the engine oil pressure, the preset critical inclination angle, and the preset pressure, so that the lubricating system supplies oil normally.
Optionally, the determining module 402 is specifically configured to:
and if the working inclination angle is larger than the preset critical inclination angle and the engine oil pressure is smaller than the first preset pressure, starting the second oil pump so that the second oil pump can convey the engine oil to the large head of the oil pan.
Optionally, the determining module 402 is specifically configured to:
and if the working inclination angle is smaller than the preset critical inclination angle and the engine oil pressure is larger than a second preset pressure, closing the second oil pump.
Optionally, the determining module 402 is further configured to:
and determining a preset critical inclination angle of the engine according to the shape of an oil pan of the engine, the oil quantity of the oil pan and the circulating oil quantity of the engine body.
Optionally, the control module 403 is specifically configured to start the second oil pump, so that the second oil pump unidirectionally delivers the oil to the large end of the oil pan.
Fig. 5 is a schematic structural diagram of an engine oil pump control system according to an embodiment of the present application. As shown in fig. 5, an engine oil pump control system according to an embodiment of the present application includes a first oil pump 501, a second oil pump 502, an oil pan 503, and a controller 504.
The first oil pump 501 and the second oil pump 502 are connected, and the first oil pump 501 and the second oil pump 502 are respectively arranged above the large head and the small head of the oil pan 503.
It can be understood that the first oil pump 501 is disposed above the large end of the oil pan 503 for sucking the oil in the oil pan 503 and delivering the absorbed oil to each friction pair, so as to achieve the purpose of normal oil supply of the lubrication system, and the second oil pump 502 is disposed above the small end of the oil pan 503 for ensuring normal oil absorption of the first oil pump 501 under the special working condition of the vehicle, so as to ensure that each friction pair can be effectively lubricated.
The controller 504 is connected to the second oil pump 502 for controlling the operating state of the second oil pump 502 by the engine oil pump control method described above.
Specifically, the controller 504 obtains the working inclination angle of the vehicle and the oil pressure of the engine; determining a preset critical inclination angle and a preset pressure of the engine, wherein the preset critical inclination angle and the preset pressure are a critical inclination angle and a critical pressure when a first oil pump 501 of the engine is sucked; the operating state of the second oil pump 502 is controlled according to the operating inclination, the oil pressure, the preset critical inclination, and the preset pressure to prevent the first oil pump 501 from being empty.
Through the control of the controller to the working state of the second oil pump, a plurality of oil pumps are not required to be started simultaneously, and the power loss of the engine is reduced.
Optionally, first oil pump 501 and second oil pump 502 are connected through the check valve to when the second oil pump carries machine oil to the big head of oil pan, but one-way transport machine oil only, prevented because oil pan structure reason, some machine oil by big head overflow to the oil pan small head, the problem that the improvement effect that leads to is slow and oil pan big head machine oil volume that first oil pump is in still can produce the suction cavity has improved the efficiency that machine oil was carried, the power loss of engine has further been reduced, the life-span of engine has also been improved simultaneously.
Optionally, the engine oil pump control system further comprises a level meter, the level meter is connected with the controller, and the level meter is used for acquiring the working inclination angle of the vehicle.
Optionally, the engine oil pump control system further includes a pressure sensor, the pressure sensor is connected to the controller, and the pressure sensor is used for acquiring oil pressure of an engine of the vehicle.
The engine oil pump control system of the embodiment of the present application can be used for executing the technical solutions of the above method embodiments of the present application, and the implementation principle and the technical effects are similar, and are not repeated herein.
The embodiment of the application also provides an engine, which comprises the engine oil pump control system.
The embodiment of the present application further provides a computer-readable storage medium, in which computer-executable instructions are stored, and the computer-executable instructions are executed by a processor to implement the engine oil pump control method according to any one of the above embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. An engine oil pump control method characterized by comprising:
acquiring a working inclination angle of a vehicle and oil pressure of an engine;
determining a preset critical inclination angle and a preset pressure of the engine, wherein the preset critical inclination angle and the preset pressure are a critical inclination angle and a critical pressure when a first oil pump of the engine is empty;
and controlling the working state of the second oil pump according to the working inclination angle, the engine oil pressure, the preset critical inclination angle and the preset pressure so as to normally supply oil to a lubricating system.
2. The method of claim 1, wherein determining an operating state of a second oil pump based on the operating inclination, the oil pressure, the predetermined threshold inclination, and the predetermined pressure comprises:
and if the working inclination angle is larger than the preset critical inclination angle and the engine oil pressure is smaller than a first preset pressure, starting the second oil pump so that the second oil pump can convey the engine oil to the large head of the oil pan.
3. The method of claim 1, wherein determining an operating state of a second oil pump based on the operating inclination, the oil pressure, the predetermined threshold inclination, and the predetermined pressure comprises:
and if the working inclination angle is smaller than the preset critical inclination angle and the engine oil pressure is larger than a second preset pressure, closing the second oil pump.
4. A method according to any one of claims 1 to 3, wherein said determining a preset threshold inclination angle of said engine comprises:
and determining a preset critical inclination angle of the engine according to the shape of an oil pan of the engine, the oil quantity of the oil pan and the circulating oil quantity of the engine body.
5. The method of claim 2, wherein said activating the second oil pump to cause the second oil pump to deliver oil to a large head of an oil pan comprises:
and starting the second oil pump to enable the second oil pump to unidirectionally convey the engine oil to the large end of the oil pan.
6. An engine oil pump control device characterized by comprising:
the acquisition module is used for acquiring the working inclination angle of the vehicle and the oil pressure of the engine;
the determining module is used for determining a preset critical inclination angle and a preset pressure of the engine, wherein the preset critical inclination angle and the preset pressure are a critical inclination angle and a critical pressure when a first oil pump of the engine is exhausted;
and the control module is used for controlling the working state of the second oil pump according to the working inclination angle, the engine oil pressure, the preset critical inclination angle and the preset pressure so as to normally supply oil to the lubricating system.
7. An engine oil pump control system is characterized by comprising a first oil pump, a second oil pump, an oil pan and a controller;
the first oil pump and the second oil pump are connected and are respectively arranged above the large head and the small head of the oil pan;
the controller is connected to the second oil pump for executing the engine oil pump control method according to any one of claims 1 to 5.
8. The engine oil pump control system of claim 7, wherein the first oil pump and the second oil pump are connected by a check valve.
9. The engine oil pump control system of claim 7, further comprising a level;
the level gauge is connected with the controller;
the gradienter is used for acquiring the working inclination angle of the vehicle.
10. An engine characterized by comprising the engine oil pump control system according to any one of claims 7 to 9.
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| CN112302757B (en) | 2022-04-26 |
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