Control method, device, equipment and storage medium of vehicle piston cooling nozzle valve

Abstract

The present invention discloses a control method, device, equipment and storage medium for a vehicle piston cooling nozzle valve, the method comprising the steps of: obtaining parameter information of a vehicle, the parameter information comprising: engine speed, torque, pressure and temperature of the main oil channel and auxiliary oil channel oil; according to the parameter information of the vehicle, controlling the vehicle piston cooling nozzle valve to enter a corresponding preset injection mode, wherein the injection mode comprises: full open mode, full closed mode, PID closed loop adjustment mode and periodic injection mode. The present application can select different control modes according to different application scenarios, greatly reduce the consumption of a part of accessory power, and reduce carbon dioxide emissions. At the same time, the cooling demand of the piston is taken into account, and the coking of the piston caused by carbon accumulation is effectively avoided through the function of intermittent oil injection.

Description

Technical Field

[0001] The present invention relates to the field of vehicle thermal management technology, and in particular to a control method, device, equipment and storage medium for a vehicle piston cooling nozzle valve. Background Art

[0002] At present, most automobile piston cooling nozzles are open-loop switch control mode, without oil pressure and temperature sensors to provide real-time feedback on specific working conditions, and cannot effectively manage the system to perform real-time control according to the actual working status, resulting in energy waste. It is understandable that the switch-type piston cooling nozzles in the prior art are either fully closed or fully open, and do not have the characteristics of continuous adjustment. The switch-type control method will cause energy waste.

[0003] Therefore, how to control the vehicle piston cooling nozzle valve to avoid energy waste is a technical problem that urgently needs to be solved. Summary of the invention

[0004] The main purpose of the present invention is to provide a control method, device, equipment and storage medium for a vehicle piston cooling nozzle valve, which can select different control modes according to different application scenarios, greatly reduce the consumption of a part of the auxiliary power, and reduce carbon dioxide emissions. At the same time, the cooling needs of the piston are taken into account, and the coking of the piston caused by carbon accumulation is effectively avoided through the intermittent oil injection function.

[0005] In a first aspect, the present application provides a method for controlling a vehicle piston cooling nozzle valve, the method comprising the steps of:

[0006] Acquire parameter information of the vehicle, the parameter information including: engine speed, torque, pressure and temperature of the main oil channel and the auxiliary oil channel;

[0007] According to the parameter information of the vehicle, the piston cooling nozzle valve of the vehicle is controlled to enter a corresponding preset injection mode, wherein the injection mode includes: a full-open mode, a full-closed mode, a PID closed-loop adjustment mode and a periodic injection mode.

[0008] In combination with the first aspect above, as an optional implementation method, when it is detected that any one of the pressure and temperature signals of the oil in the main oil channel and the auxiliary oil channel is invalid, or the engine speed is greater than the maximum set threshold, the vehicle piston cooling nozzle valve is controlled to enter the fully open mode.

[0009] In combination with the first aspect above, as an optional implementation method, when it is detected that the oil temperature of the main oil channel and the auxiliary oil channel is lower than the set temperature and the engine speed and torque are higher than the minimum set threshold, or the oil temperature is higher than the maximum set threshold, the vehicle piston cooling nozzle valve is controlled to enter the fully open mode.

[0010] In combination with the first aspect above, as an optional implementation, according to the parameter information of the vehicle, controlling the vehicle piston cooling nozzle valve to enter a corresponding preset injection mode also includes the steps of:

[0011] Determining whether the engine speed, engine torque, pressure and temperature of the engine oil in the main oil gallery and the auxiliary oil gallery are within a preset range;

[0012] When it is determined that the engine speed, the engine torque, the pressure and the temperature of the oil in the main oil gallery and the auxiliary oil gallery are all within a preset range, the vehicle piston cooling nozzle valve is controlled to enter a PID closed-loop regulation mode.

[0013] In combination with the first aspect, as an optional implementation, the initial value of the auxiliary oil channel oil pressure requirement at this time is obtained by looking up the table according to the engine speed and torque;

[0014] The initial value of the oil pressure demand of the auxiliary oil channel is corrected by the main oil channel pressure to obtain a final pressure demand value, and the final pressure demand value is used as a control target of the PID.

[0015] In combination with the first aspect above, as an optional implementation, when the detected engine speed and torque are less than a preset speed and a preset torque, the vehicle piston cooling nozzle valve is controlled to enter a closed mode.

[0016] In combination with the first aspect above, as an optional implementation method, when it is determined that the vehicle piston cooling nozzle valve enters the closed mode and the closed duration is greater than a preset duration, the vehicle piston cooling nozzle valve is controlled to enter the periodic injection mode.

[0017] In a second aspect, the present application provides a control device for a vehicle piston cooling nozzle valve, the device comprising:

[0018] An acquisition module, which is used to acquire parameter information of the vehicle, the parameter information including: engine speed, torque, pressure and temperature of the main oil channel and the auxiliary oil channel;

[0019] A control module is used to control the vehicle piston cooling nozzle valve to enter a corresponding preset injection mode according to the parameter information of the vehicle, wherein the injection mode includes: a full-open mode, a full-closed mode, a PID closed-loop adjustment mode and a periodic injection mode.

[0020] In a third aspect, the present application further provides an electronic device, comprising: a processor; a memory, wherein the memory stores computer-readable instructions, and when the computer-readable instructions are executed by the processor, the method described in any one of the first aspects is implemented.

[0021] In a fourth aspect, the present application further provides a computer-readable storage medium storing computer program instructions, which, when executed by a computer, enables the computer to execute any of the methods described in the first aspect.

[0022] The present application provides a control method, device, equipment and storage medium for a vehicle piston cooling nozzle valve, the method comprising the steps of: obtaining parameter information of the vehicle, the parameter information comprising: engine speed, torque, pressure and temperature of the main oil channel and auxiliary oil channel oil; according to the parameter information of the vehicle, controlling the vehicle piston cooling nozzle valve to enter a corresponding preset injection mode, wherein the injection mode comprises: full open mode, full closed mode, PID closed loop adjustment mode and periodic injection mode. The present application can select different control modes according to different application scenarios, greatly reduce the consumption of a part of the accessory power, and reduce carbon dioxide emissions. At the same time, the cooling demand of the piston is taken into account, and the coking of the piston caused by carbon accumulation is effectively avoided through the intermittent oil injection function.

[0023] It is to be understood that the foregoing general description and the following detailed description are exemplary only and are not restrictive of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0025] Figure 1 A flow chart of a control method for a vehicle piston cooling nozzle valve provided in an embodiment of the present application;

[0026] Figure 2 A schematic diagram of a control device for a vehicle piston cooling nozzle valve provided in an embodiment of the present application;

[0027] Figure 3 A state transition diagram of a vehicle piston cooling nozzle valve provided in an embodiment of the present application;

[0028] Figure 4 A schematic diagram of an electronic device provided in an embodiment of the present application;

[0029] Figure 5 A schematic diagram of a computer-readable program medium provided in an embodiment of the present application. DETAILED DESCRIPTION

[0030] Here, exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Instead, they are merely examples of devices and methods consistent with some aspects of the present invention as detailed in the appended claims.

[0031] Furthermore, the drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale. Some of the blocks shown in the drawings are functional entities and do not necessarily correspond to physically or logically separate entities.

[0032] The embodiment of the present application provides a control method, device, equipment and storage medium for a vehicle piston cooling nozzle valve, which can select different control modes according to different application scenarios, greatly reduce the consumption of a part of the auxiliary power, and reduce carbon dioxide emissions. At the same time, it takes into account the cooling needs of the piston, and effectively avoids the coking of the piston due to carbon accumulation through the intermittent oil injection function.

[0033] In order to achieve the above technical effects, the general idea of ​​this application is as follows:

[0034] A method for controlling a vehicle piston cooling nozzle valve, the method comprising the steps of:

[0035] S101: Acquire parameter information of the vehicle, the parameter information including: engine speed, torque, pressure and temperature of the oil in the main oil channel and the auxiliary oil channel.

[0036] S102: According to the parameter information of the vehicle, controlling the vehicle piston cooling nozzle valve to enter a corresponding preset injection mode, wherein the injection mode includes: a full-open mode, a full-closed mode, a PID closed-loop adjustment mode and a periodic injection mode.

[0037] The embodiments of the present application are further described in detail below in conjunction with the accompanying drawings.

[0038] Reference Figure 1 , Figure 1 FIG. 1 is a flow chart of a control method for a vehicle piston cooling nozzle valve provided by the present invention. Figure 1 As shown, the method comprises the steps of:

[0039] Step S101: Acquire vehicle parameter information, the parameter information including: engine speed, torque, pressure and temperature of the main oil channel and the auxiliary oil channel.

[0040] Specifically, the inputs controlled by the piston cooling nozzle valve are: engine speed, torque, auxiliary oil channel oil pressure, auxiliary oil channel oil temperature, main oil channel oil pressure, main oil channel oil temperature, gear shifting, in-cylinder braking, and the output is: the opening of the piston cooling nozzle valve.

[0041] It can be understood that the acquired engine speed, torque, auxiliary oil channel oil pressure, auxiliary oil channel oil temperature, main oil channel oil pressure, and main oil channel oil temperature are used to subsequently control the vehicle piston cooling nozzle valve to enter the corresponding injection module according to actual working conditions, thereby achieving the purpose of saving consumption.

[0042] In one embodiment, different control modes are selected in different application scenarios according to the engine speed and torque regions. While ensuring that the piston operates within the optimal operating temperature range, the auxiliary power consumption of the engine lubrication system can be reduced to a large extent, carbon dioxide emissions can be reduced, and better energy-saving and environmental protection performance can be achieved.

[0043] Step S102: According to the parameter information of the vehicle, control the vehicle piston cooling nozzle valve to enter the corresponding preset injection mode, wherein the injection mode includes: full-open mode, full-close mode, PID closed-loop adjustment mode and periodic injection mode.

[0044] Specifically, the state modes of the piston cooling nozzle valve are divided into: PID closed-loop adjustment mode, full-close mode, periodic injection mode, and full-open mode. It can be understood that according to the vehicle's parameter information, namely the engine speed, torque, and the pressure and temperature of the main and auxiliary oil channels, the vehicle is controlled to enter the corresponding injection mode, thereby effectively reducing the oil flow rate of the piston cooling nozzle valve at low loads and low speeds, thereby reducing part of the accessory work, while taking into account the cooling needs of the piston. The periodic injection function can also effectively avoid the coking of the piston due to carbon accumulation.

[0045] In one embodiment, when it is detected that any one of the pressure and temperature signals of the main oil channel and the auxiliary oil channel oil is invalid, or the engine speed is greater than the maximum set threshold, the vehicle piston cooling nozzle valve is controlled to enter the full open mode. For ease of understanding, for example, if any one of the main oil pressure and main oil temperature and auxiliary oil pressure and auxiliary oil temperature signals fails, the vehicle piston cooling nozzle valve is controlled to enter the full open mode.

[0046] Optionally, when the engine speed is greater than 2000 rpm, the vehicle piston cooling nozzle valve is controlled to enter a fully open mode.

[0047] Optionally, when the engine oil temperature is less than 70°C, the vehicle piston cooling nozzle valve is controlled to enter a fully open mode.

[0048] Optionally, when the engine torque is greater than 90%, the vehicle piston cooling nozzle valve is controlled to enter a fully open mode.

[0049] Optionally, when the engine oil temperature is greater than 99°C, the vehicle piston cooling nozzle valve is controlled to enter a fully open mode.

[0050] Optionally, when the engine speed is less than 800 rpm, the vehicle piston cooling nozzle valve is controlled to enter a fully open mode.

[0051] Optionally, when the engine torque is less than 25%, the vehicle piston cooling nozzle valve is controlled to enter a fully open mode.

[0052] Optionally, when the oil pressure is greater than 100 kPa and less than 350 kPa, the vehicle piston cooling nozzle valve is controlled to enter a fully open mode.

[0053] After the engine is powered on, it enters the default state, in which the piston cooling nozzle valve is in the fully open mode. It should be noted that the default state when there is no power is also the fully open mode, which can ensure that the piston cooling nozzle valve can still guarantee the cooling needs of the piston in the event of an electrical failure.

[0054] In one embodiment, it is determined whether the engine speed, engine torque, pressure and temperature of the oil in the main oil gallery and the auxiliary oil gallery are within a preset range. When it is determined that the engine speed, engine torque, pressure and temperature of the oil in the main oil gallery and the auxiliary oil gallery are all within the preset range, the vehicle piston cooling nozzle valve is controlled to enter a PID closed-loop adjustment mode.

[0055] Optionally, when the engine oil pressure is greater than 100 kPa and less than 350 kPa, the vehicle piston cooling nozzle valve is controlled to enter a PID closed-loop regulation mode.

[0056] Optionally, when the temperature of the engine oil is greater than the minimum set temperature of 70°C and less than the maximum set temperature of 99°C, the vehicle piston cooling nozzle valve is controlled to enter a PID closed-loop regulation mode.

[0057] Optionally, when the engine speed is greater than 800 rpm and less than 2000 rpm, the vehicle piston cooling nozzle valve is controlled to enter a PID closed-loop regulation mode.

[0058] Optionally, when the engine torque is greater than 25% and less than 90%, the vehicle piston cooling nozzle valve is controlled to enter a PID closed-loop regulation mode.

[0059] It is understandable that in PID regulation mode, when the engine is running, the initial value of the auxiliary oil channel oil pressure demand is obtained by looking up the table based on the engine speed and torque. The initial value of the oil pressure demand must be corrected by the main oil channel pressure to obtain the final pressure demand value as the PID control target. In addition, the PID coefficient is a quantity related to the main oil channel oil pressure and main oil channel oil temperature lookup table values.

[0060] PID is a control based on error. The error here refers to the difference between the actual measured value Pa of the auxiliary oil channel oil pressure and the required value Pr of the auxiliary oil channel oil pressure. a -p r ).

[0061] Optionally, during the gear shifting process, the engine speed and torque change in real time, and the oscillation change range is large, while the gear shifting process is short, so during the gear shifting process, the opening of the piston cooling nozzle valve should be maintained at the value when entering the gear shift.

[0062] Optionally, when the secondary torque is requested, the cylinder brake is activated, the engine's fuel injection system no longer injects fuel, the piston cooling demand is reduced, and the main oil channel needs more oil to push the brake rocker arm to complete the engine braking action. Therefore, when the secondary torque is requested, according to different braking levels, the required pressure of the piston cooling nozzle valve is reduced in a step-by-step manner, and the corresponding piston cooling nozzle valve opening is also reduced in a step-by-step manner.

[0063] Optionally, during engine startup, in order to quickly build up the pressure in the main oil gallery, the piston cooling nozzle valve needs to be closed.

[0064] In one embodiment, when the detected engine speed and torque are less than the preset speed and torque, the vehicle piston cooling nozzle valve is controlled to enter the closed mode. It is understandable that when the engine runs at low speed and low torque for a long time, the oil pressure level of the main oil gallery is low. In order to protect the parts of the engine lubrication system and ensure the pressure requirement of the main oil gallery, the piston cooling nozzle valve enters the closed mode.

[0065] It can be understood that when the engine speed is less than 800 rpm, the torque is less than 25%, and the main engine oil pressure and the auxiliary engine oil pressure are between 100 kPa and 350 kPa, the vehicle piston cooling nozzle valve is controlled to enter the fully closed mode.

[0066] In one embodiment, when it is determined that the vehicle piston cooling nozzle valve enters the closed mode, and the closed duration is longer than the preset duration, the vehicle piston cooling nozzle valve is controlled to enter the periodic injection mode. It can be understood that the periodic injection mode is a sub-state of the full-closed mode, that is, the periodic injection mode will not be entered until the duration t1 is satisfied after entering the full-closed mode. The valve is fully opened at intervals of time t2 to maximize the oil flow through the nozzle, and the duration is t3, and then the valve is closed. Due to the cooling characteristics of the piston, long-term non-injection of oil will lead to increased carbon deposition and cause piston coking. This periodic injection method has the effect of cooling the piston, and can reduce the risk of piston carbon deposition and avoid piston carbon deposition and coking.

[0067] It should be noted that the minimum setting threshold for engine speed is 800rpm, the maximum setting threshold is 2000rpm, the minimum setting threshold for torque is 25%; the maximum threshold is 90%, the minimum threshold for oil temperature is 70 degrees Celsius, the maximum threshold is 99 degrees Celsius, the minimum threshold for oil pressure is 100KPa; the maximum threshold is 350Kpa.

[0068] It can be understood that the present application can effectively reduce the oil flow rate sprayed out of the piston cooling nozzle valve at low load and low speed, thereby reducing part of the accessory work, while taking into account the cooling needs of the piston. The intermittent oil injection function can also effectively avoid coking of the piston due to carbon accumulation.

[0069] Reference Figure 2 , Figure 2 FIG. 1 is a schematic diagram of a control device for a vehicle piston cooling nozzle valve provided by the present invention, such as Figure 2 As shown, the device comprises:

[0070] The acquisition module 201 is used to acquire the parameter information of the vehicle, and the parameter information includes: engine speed, torque, pressure and temperature of the main oil channel and the auxiliary oil channel.

[0071] The control module 202 is used to control the vehicle piston cooling nozzle valve to enter a corresponding preset injection mode according to the parameter information of the vehicle, wherein the injection mode includes: full-open mode, full-close mode, PID closed-loop adjustment mode and periodic injection mode.

[0072] Furthermore, in a possible implementation, the control module 202 is also used to control the vehicle piston cooling nozzle valve to enter a fully open mode when it is detected that any one of the pressure and temperature signals of the oil in the main oil channel and the auxiliary oil channel is invalid, or the engine speed is greater than a maximum set threshold.

[0073] Furthermore, in a possible implementation, the control module 202 is also used to control the vehicle piston cooling nozzle valve to enter a fully open mode when it is detected that the oil temperature of the main oil channel and the auxiliary oil channel is lower than a set temperature and the engine speed and torque are higher than a minimum set threshold, or the oil temperature is higher than a maximum set threshold.

[0074] Further, in a possible implementation manner, the control module 202 is further configured to determine whether the engine speed, the engine torque, the pressure and the temperature of the engine oil in the main oil gallery and the auxiliary oil gallery are within a preset range;

[0075] When it is determined that the engine speed, the engine torque, the pressure and the temperature of the oil in the main oil gallery and the auxiliary oil gallery are all within a preset range, the vehicle piston cooling nozzle valve is controlled to enter a PID closed-loop regulation mode.

[0076] Furthermore, in a possible implementation, a correction module is further included, which is used to obtain the initial value of the auxiliary oil channel oil pressure requirement at this time by looking up the table according to the engine speed and torque;

[0077] The initial value of the oil pressure demand of the auxiliary oil channel is corrected by the main oil channel pressure to obtain a final pressure demand value, and the final pressure demand value is used as a control target of the PID.

[0078] Furthermore, in a possible implementation manner, the control module 202 is also used to control the vehicle piston cooling nozzle valve to enter a closed mode when the detected engine speed and torque are less than a preset speed and a preset torque.

[0079] Furthermore, in a possible implementation manner, the control module 202 is also used to control the vehicle piston cooling nozzle valve to enter a periodic injection mode when it is determined that the vehicle piston cooling nozzle valve enters a closed mode and the closed duration is greater than a preset duration.

[0080] Reference Figure 3 , Figure 3 FIG. 1 is a state transition diagram of a vehicle piston cooling nozzle valve provided by the present invention, such as Figure 3 As shown:

[0081] The transition conditions between states are as follows: 1. After the engine is powered on, it enters the default state, that is, the fully open mode, in order to ensure that the piston cooling nozzle valve can still meet the cooling needs of the piston in the event of an electrical failure. 2, 3 and 5 are, if any of the main engine oil pressure and temperature signal and the auxiliary engine oil pressure and temperature signal fails, or the engine speed is greater than 2000rpm, or the oil temperature is less than 70℃, and the engine speed is greater than 800rpm, the torque is greater than 25%, or the oil temperature is greater than 99℃, then the PID adjustment mode, periodic injection mode or fully closed mode will be entered into the fully open mode.

[0082] 4 and 7 are, when the engine speed is less than 800rpm, the torque is less than 25%, and the main engine oil pressure and the auxiliary engine oil pressure are between 100kPa and 350kPa, the full-open mode or PID adjustment mode enters the full-closed mode.

[0083] 6: After entering the full-off mode and the full-off mode duration is greater than the set time t, it enters the periodic injection mode.

[0084] 8, 9 and 10, when the engine speed, torque, main engine oil pressure and temperature, and auxiliary engine oil pressure and temperature are between the lowest setting threshold and the highest setting threshold, there is a periodic injection mode or a full-off mode or a full-open mode, and enters the PID adjustment mode. Among them, the lowest threshold S of the engine speed is 800rpm; the highest threshold is 2000rpm. The lowest threshold of torque is 25%; the highest threshold is 90%; the lowest threshold of oil temperature is 70 degrees Celsius, the highest threshold is 99 degrees Celsius, the lowest threshold of oil pressure is 100KPa; the highest threshold is 350Kpa.

[0085] Refer to the following Figure 4 An electronic device 400 according to this embodiment of the present invention will be described. Figure 4 The electronic device 400 shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present invention.

[0086] like Figure 4 As shown, the electronic device 400 is in the form of a general computing device. The components of the electronic device 400 may include but are not limited to: at least one processing unit 410, at least one storage unit 420, and a bus 430 connecting different system components (including the storage unit 420 and the processing unit 410).

[0087] The storage unit stores program codes, which can be executed by the processing unit 410, so that the processing unit 410 executes the steps according to various exemplary embodiments of the present invention described in the above “Embodiment Method” section of this specification.

[0088] The storage unit 420 may include a readable medium in the form of a volatile storage unit, such as a random access memory unit (RAM) 421 and / or a cache memory unit 422 , and may further include a read-only memory unit (ROM) 423 .

[0089] The storage unit 420 may also include a program / utility 424 having a set (at least one) of program modules 425, such program modules 425 including but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which or some combination may include an implementation of a network environment.

[0090] Bus 430 may represent one or more of several types of bus structures, including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.

[0091] The electronic device 400 may also communicate with one or more external devices (e.g., keyboards, pointing devices, Bluetooth devices, etc.), may also communicate with one or more devices that enable a user to interact with the electronic device 400, and / or communicate with any device that enables the electronic device 400 to communicate with one or more other computing devices (e.g., routers, modems, etc.). Such communication may be performed via an input / output (I / O) interface 450. Furthermore, the electronic device 400 may also communicate with one or more networks (e.g., local area networks (LANs), wide area networks (WANs), and / or public networks, such as the Internet) via a network adapter 460. As shown, the network adapter 460 communicates with other modules of the electronic device 400 via a bus 430. It should be understood that, although not shown in the figure, other hardware and / or software modules may be used in conjunction with the electronic device 400, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, etc.

[0092] Through the description of the above implementation, it is easy for those skilled in the art to understand that the example implementation described here can be implemented by software, or by software combined with necessary hardware. Therefore, the technical solution according to the implementation of the present disclosure can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.) or on a network, including several instructions to enable a computing device (which can be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the implementation of the present disclosure.

[0093] According to the solution of the present disclosure, a computer-readable storage medium is also provided, on which a program product capable of implementing the above method of the present specification is stored. In some possible implementations, various aspects of the present invention can also be implemented in the form of a program product, which includes a program code, and when the program product is run on a terminal device, the program code is used to enable the terminal device to execute the steps according to various exemplary implementations of the present invention described in the above "Exemplary Method" section of the present specification.

[0094] refer to Figure 5 As shown, a program product 500 for implementing the above method according to an embodiment of the present invention is described, which can adopt a portable compact disk read-only memory (CD-ROM) and include program code, and can be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited thereto. In this document, a readable storage medium can be any tangible medium containing or storing a program, which can be used by or in combination with an instruction execution system, an apparatus or a device.

[0095] The program product may use any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination of the above. More specific examples (non-exhaustive list) of readable storage media include: an electrical connection with one or more wires, a portable disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above.

[0096] Computer readable signal media may include data signals propagated in baseband or as part of a carrier wave, in which readable program code is carried. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. Readable signal media may also be any readable medium other than a readable storage medium, which may send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device.

[0097] The program code embodied on the readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wired, optical cable, RF, etc., or any suitable combination of the foregoing.

[0098] Program code for performing the operations of the present invention may be written in any combination of one or more programming languages, including object-oriented programming languages ​​such as Java, C++, etc., and conventional procedural programming languages ​​such as "C" or similar programming languages. The program code may be executed entirely on the user computing device, partially on the user device, as a separate software package, partially on the user computing device and partially on a remote computing device, or entirely on a remote computing device or server. In cases involving a remote computing device, the remote computing device may be connected to the user computing device through any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computing device (e.g., through the Internet using an Internet service provider).

[0099] In addition, the above-mentioned figures are only schematic illustrations of the processes included in the method according to an exemplary embodiment of the present invention, and are not intended to be limiting. It is easy to understand that the processes shown in the above-mentioned figures do not indicate or limit the time sequence of these processes. In addition, it is also easy to understand that these processes can be performed synchronously or asynchronously, for example, in multiple modules.

[0100] In summary, the present application provides a control method, device, equipment and storage medium for a vehicle piston cooling nozzle valve, the method comprising the steps of: obtaining parameter information of the vehicle, the parameter information comprising: engine speed, torque, pressure and temperature of the main oil channel and auxiliary oil channel oil; according to the parameter information of the vehicle, controlling the vehicle piston cooling nozzle valve to enter a corresponding preset injection mode, wherein the injection mode comprises: full open mode, full closed mode, PID closed loop adjustment mode and periodic injection mode. The present application can select different control modes according to different application scenarios, greatly reduce the consumption of a part of the accessory power, and reduce carbon dioxide emissions. At the same time, the cooling demand of the piston is taken into account, and the coking of the piston caused by carbon accumulation is effectively avoided through the intermittent oil injection function.

[0101] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

[0102] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems) and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the process in the flowchart. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

Claims

1. A control method for a vehicle piston cooling nozzle valve, It is characterized in that include: Acquire parameter information of the vehicle, the parameter information including: engine speed, torque, pressure and temperature of the main oil channel and the auxiliary oil channel; According to the parameter information of the vehicle, the piston cooling nozzle valve of the vehicle is controlled to enter a corresponding preset injection mode, wherein the injection mode includes: a full-open mode, a full-closed mode, a PID closed-loop adjustment mode and a periodic injection mode; When it is detected that any one of the pressure and temperature signals of the oil in the main oil gallery and the auxiliary oil gallery is invalid, or the engine speed is greater than the maximum set threshold, the vehicle piston cooling nozzle valve is controlled to enter a fully open mode; Determining whether the engine speed, engine torque, pressure and temperature of the engine oil in the main oil gallery and the auxiliary oil gallery are within a preset range; When it is determined that the engine speed, the engine torque, the pressure and the temperature of the oil in the main oil gallery and the auxiliary oil gallery are all within a preset range, the vehicle piston cooling nozzle valve is controlled to enter a PID closed-loop adjustment mode; When the detected engine speed and torque are less than a preset speed and a preset torque, the vehicle piston cooling nozzle valve is controlled to enter a closing mode; When it is determined that the vehicle piston cooling nozzle valve enters the closing mode and the closing duration is greater than a preset duration, the vehicle piston cooling nozzle valve is controlled to enter the periodic injection mode.

2. The method according to claim 1, It is characterized in that Also includes: When it is detected that the oil temperature of the main oil channel and the auxiliary oil channel is lower than the set temperature and the engine speed and torque are higher than the minimum set threshold, or the oil temperature is higher than the maximum set threshold, the vehicle piston cooling nozzle valve is controlled to enter the fully open mode.

3. The method according to claim 1, It is characterized in that Also includes: According to the engine speed and torque, the initial value of the auxiliary oil channel oil pressure requirement at this time is obtained by looking up the table; The initial value of the oil pressure demand of the auxiliary oil channel is corrected by the main oil channel pressure to obtain a final pressure demand value, and the final pressure demand value is used as a control target of the PID.

4. A control device for a vehicle piston cooling nozzle valve, It is characterized in that include: An acquisition module, which is used to acquire parameter information of the vehicle, the parameter information including: engine speed, torque, pressure and temperature of the main oil channel and the auxiliary oil channel; A control module, which is used to control the vehicle piston cooling nozzle valve to enter a corresponding preset injection mode according to the parameter information of the vehicle, wherein the injection mode includes: a full-open mode, a full-closed mode, a PID closed-loop adjustment mode and a periodic injection mode; The control module is further used to control the vehicle piston cooling nozzle valve to enter a fully open mode when it is detected that any one of the pressure and temperature signals of the oil in the main oil gallery and the auxiliary oil gallery is invalid, or the engine speed is greater than a maximum set threshold; Determining whether the engine speed, engine torque, pressure and temperature of the engine oil in the main oil gallery and the auxiliary oil gallery are within a preset range; When it is determined that the engine speed, the engine torque, the pressure and the temperature of the oil in the main oil gallery and the auxiliary oil gallery are all within a preset range, the vehicle piston cooling nozzle valve is controlled to enter a PID closed-loop adjustment mode; When the detected engine speed and torque are less than a preset speed and a preset torque, the vehicle piston cooling nozzle valve is controlled to enter a closing mode; When it is determined that the vehicle piston cooling nozzle valve enters the closing mode and the closing duration is greater than a preset duration, the vehicle piston cooling nozzle valve is controlled to enter the periodic injection mode.

5. An electronic device, It is characterized in that The electronic device comprises: processor; A memory having computer-readable instructions stored thereon, wherein when the computer-readable instructions are executed by the processor, the method according to any one of claims 1 to 3 is implemented.

6. A computer-readable storage medium, It is characterized in that The computer program instructions are stored therein, and when the computer program instructions are executed by a computer, the computer is caused to execute the method according to any one of claims 1 to 3.

Images