A water pump control method, device, apparatus and storage medium

Abstract

Embodiments of the present application disclose a water pump control method, device, equipment and storage medium, wherein the water pump control method comprises: obtaining an engine state parameter and an engine water temperature parameter; if the engine state parameter indicates that the engine is in a running state, controlling the water pump to switch to a first working mode; if the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is lower than a preset threshold, controlling the water pump to switch to a second working mode; if the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is not lower than the preset threshold, controlling the water pump to switch to a third working mode; wherein the water pump rotating speeds corresponding to the first working mode, the second working mode and the third working mode are different.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hybrid vehicle control, and in particular to a water pump control method, device, equipment and storage medium. BACKGROUND

[0002] In order to realize the rapid supply of warm air in cold weather and improve the comfort of the passenger compartment, a hybrid vehicle uses a gasoline engine water cooling system scheme to achieve rapid supply of warm air for the vehicle. However, the hybrid vehicle has an engine stop working condition. For a traditional mechanical water pump engine, when the engine is stopped, the water in the water cooling system cannot be circulated, which will cause insufficient warm air and affect the driving experience, and forced starting of the engine will cause fuel consumption loss. SUMMARY

[0003] Embodiments of the present application aim to provide a water pump control method, device, equipment and storage medium.

[0004] The technical solution of the present application is implemented as follows:

[0005] An embodiment of the first aspect of the present application provides a water pump control method, comprising:

[0006] obtaining an engine state parameter and an engine water temperature parameter;

[0007] if the engine state parameter indicates that the engine is in a running state, controlling the water pump to switch to a first working mode;

[0008] if the engine state parameter indicates that the engine is in a stopped state and the engine water temperature parameter is lower than a preset threshold, controlling the water pump to switch to a second working mode;

[0009] if the engine state parameter indicates that the engine is in a stopped state and the engine water temperature parameter is not lower than a preset threshold, controlling the water pump to switch to a third working mode; wherein the water pump rotating speeds corresponding to the first working mode, the second working mode and the third working mode are different.

[0010] Optionally, if the engine state parameter indicates that the engine is in a running state, controlling the water pump to switch to a first working mode, comprises:

[0011] if the engine state parameter indicates that the engine is in a running state, obtaining a current rotating speed parameter and a load parameter of the engine;

[0012] querying a calibrated parameter mapping table based on the rotating speed parameter and the load parameter to determine a first target rotating speed corresponding to the water pump;

[0013] controlling the water pump to operate at the first target rotating speed.

[0014] Optionally, if the engine state parameter indicates that the engine is in the shutdown state and the engine water temperature parameter is lower than the preset threshold, the water pump is controlled to switch to the second working mode, including:

[0015] If the engine state parameter indicates that the engine is in the shutdown state, the engine is controlled to operate;

[0016] The speed parameter and the load parameter of the engine are acquired, and a second target speed of the water pump is determined;

[0017] The water pump is controlled to operate at the second target speed.

[0018] Optionally, if the engine state parameter indicates that the engine is in the shutdown state and the engine water temperature parameter is not lower than the preset threshold, the water pump is controlled to switch to the third working mode, including:

[0019] If the engine state parameter indicates that the engine is in the shutdown state and the engine water temperature parameter is not lower than the preset threshold, a third target speed of the water pump is determined based on the engine water temperature parameter and an expected temperature value of the warm air;

[0020] The water pump is controlled to operate at the third target speed.

[0021] Embodiments of the second aspect of the application provide a water pump control device, including:

[0022] An acquisition module is configured to acquire an engine state parameter and an engine water temperature parameter;

[0023] A control module is configured to control the water pump to switch to a first working mode if the engine state parameter indicates that the engine is in an operating state, to switch to a second working mode if the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is lower than a preset threshold, and to switch to a third working mode if the engine state parameter indicates that the engine is in the shutdown state and the engine water temperature parameter is not lower than the preset threshold; wherein the water pump speeds corresponding to the first working mode, the second working mode and the third working mode are different.

[0024] Optionally, the control module is specifically configured to:

[0025] If the engine state parameter indicates that the engine is in the operating state, the current speed parameter and the load parameter of the engine are acquired;

[0026] A calibrated parameter mapping table is queried based on the speed parameter and the load parameter, and a first target speed of the water pump is determined;

[0027] The water pump is controlled to operate at the first target speed.

[0028] Optionally, the control module is further configured to:

[0029] if the engine state parameter indicates that the engine is in a shutdown state, control the engine to operate;

[0030] obtain a speed parameter and a load parameter of the engine, and determine a second target speed of the water pump;

[0031] control the water pump to operate at the second target speed.

[0032] Optionally, the control module is further configured to:

[0033] if the engine state parameter indicates that the engine is in a shutdown state, and the engine water temperature parameter is not lower than a preset threshold, determine a third target speed of the water pump based on the engine water temperature parameter and an expected temperature value of the warm air;

[0034] control the water pump to operate at the third target speed.

[0035] Embodiments of the third aspect of the application provide an electronic device, comprising a memory and a processor, the memory storing a computer program, and the processor executing the computer program to perform the steps of the method of the first aspect.

[0036] Embodiments of the fourth aspect of the application provide a computer-readable storage medium having a computer program stored thereon, and the computer program is executed by a processor to perform the steps of the method of the first aspect.

[0037] The water pump control method, device, equipment and storage medium provided by the embodiments of the application, wherein the water pump control method comprises: obtaining an engine state parameter and an engine water temperature parameter; if the engine state parameter indicates that the engine is in an operating state, controlling the water pump to switch to a first working mode; if the engine state parameter indicates that the engine is in a shutdown state, and the engine water temperature parameter is lower than a preset threshold, controlling the water pump to switch to a second working mode; if the engine state parameter indicates that the engine is in a shutdown state, and the engine water temperature parameter is not lower than the preset threshold, controlling the water pump to switch to a third working mode; wherein the water pump speeds corresponding to the first working mode, the second working mode and the third working mode are different. By using the technical solution of the application, the current warm air demand is accurately determined through the engine state parameter and the engine water temperature parameter, so that a reasonable warm air strategy is selected when the engine is in a shutdown state, the problem of insufficient warm air affecting the driving experience is avoided, and the loss of fuel consumption caused by unnecessary engine starting is also reduced. When the engine is not in a shutdown state, the water pump output is controlled to match the warm air power according to the warm air demand, so that the waste of heat is reduced while ensuring that the warm air demand is met. Attached Figure Description

[0038] Figure 1 A schematic flowchart of a water pump control method provided in an embodiment of this application;

[0039] Figure 2 This is a schematic diagram of the structure of a water pump control device provided in an embodiment of this application;

[0040] Figure 3 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this application. Detailed Implementation

[0041] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0042] Furthermore, the accompanying drawings are merely illustrative of this application and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and therefore repeated descriptions of them will be omitted. Some block diagrams shown in the drawings are functional entities and do not necessarily correspond to physically or logically independent entities. These functional entities can be implemented in software, in one or more hardware modules or integrated circuits, or in different network and / or processor devices and / or microcontroller devices.

[0043] The flowchart shown in the attached diagram is merely an illustrative example and does not necessarily include all steps. For example, some steps may be broken down, while others may be combined or partially combined; therefore, the actual execution order may change depending on the specific circumstances.

[0044] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of this application. When used herein, the singular forms “a,” “an,” and “the” are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising” and / or “including,” when used in this specification, identify the presence of the stated features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups. When used herein, the term “and / or” includes any and all combinations of the associated listed items.

[0045] The conventional vehicle model starts after the whole vehicle, the engine maintains the work, can continue to supply heat, but the hybrid vehicle has EV pure electric mode, the engine does not start in EV mode, and the hybrid mode of series and parallel, the engine works in the two modes. In the process of switching between multiple modes, there will be multiple situations such as engine starting, not starting, and hot state, cold state. In general, in order to avoid this situation and ensure that the heater can supply warm air in any case, a PTC heater and a small electronic water pump are equipped. When the engine is stopped, start the small electronic water pump to maintain the circulation of the heater branch, and use PTC for self-heating, but this scheme adds two parts which are relatively expensive and the cost is very high.

[0046] In some low-cost hybrid vehicles, the solution is relatively simple and direct, that is, no matter what mode, as long as the air conditioner has a demand for warm air supply, the engine needs to start. If it has already started, it will maintain the start, and if it is in pure electric mode, the engine will start and maintain idle. This scheme has two problems, one is that even if the engine does not start in hot state, a part of the hot water in the cylinder can be utilized, and the direct start of the engine will cause unnecessary waste; the second is that the engine starts in pure electric mode, and the engine can only maintain idle, and the engine cannot guarantee sufficient heat supply under idle condition.

[0047] In some embodiments, please refer to Figure 1 , Figure 1 A flowchart of a water pump control method provided by the embodiments of the present application; the water pump control method comprises:

[0048] Step S110, obtaining engine state parameters and engine water temperature parameters.

[0049] Here, the engine state parameters represent whether the engine is in a running state. The engine water temperature parameters represent the engine cylinder water temperature.

[0050] Step S120, if the engine state parameters represent that the engine is in a running state, control the water pump to switch to a first working mode; if the engine state parameters represent that the engine is in a stopped state, and the engine water temperature parameters are lower than a preset threshold, control the water pump to switch to a second working mode; if the engine state parameters represent that the engine is in a stopped state, and the engine water temperature parameters are not lower than the preset threshold, control the water pump to switch to a third working mode; wherein the water pump rotating speeds corresponding to the first working mode, the second working mode and the third working mode are different.

[0051] In the embodiment, if the engine is in the running state, the water pump is controlled to switch to the first working mode, in which case the engine and the water pump jointly maintain the circulation of the warm air branch. If the engine is in the shutdown state and the engine water temperature parameter is lower than the preset threshold, at this time, only relying on the water pump cannot guarantee sufficient heat supply, and therefore the engine needs to be restarted and the water pump needs to be controlled to switch to the second working mode, i.e., the engine and the water pump jointly maintain the circulation of the warm air branch. If the engine is in the shutdown state and the engine water temperature parameter is not lower than the preset threshold, at this time, only relying on the water pump is enough to guarantee sufficient heat supply, and therefore the engine does not need to be restarted, and only the water pump needs to be controlled to switch to the third working mode. It should be noted that the preset threshold can be calibrated through experiments, and the specific value is related to the power of the water pump and the current ambient temperature, and is not limited.

[0052] In some embodiments, in step S120, if the engine state parameter indicates that the engine is in the running state, the water pump is controlled to switch to the first working mode, including:

[0053] If the engine state parameter indicates that the engine is in the running state, the current speed parameter and the load parameter of the engine are obtained;

[0054] The speed parameter and the load parameter are used to query the calibrated parameter mapping table to determine the first target speed of the water pump;

[0055] The water pump is controlled to operate at the first target speed.

[0056] In the embodiment, when the engine is in the running state, the matched speed of the water pump can be determined according to the current speed parameter and the load parameter of the engine. Generally, when the current speed parameter of the engine is constant, the greater the load parameter, the greater the first target speed of the water pump; when the load parameter of the engine is constant, the greater the current speed parameter of the engine, the greater the first target speed of the water pump.

[0057] In one example, the specific form of the parameter mapping table corresponding to the speed parameter and the load parameter can be referred to Table 1:

[0058]

[0059]

[0060] Table 1

[0061] In Table 1, the horizontal axis is the engine speed, the unit is r / min, the vertical axis is the load percentage, and the corresponding water pump speed unit is r / min. According to Table 1, it can be known that as the speed and load of the engine during operation increase, the speed of the water pump also needs to be increased.

[0062] In some embodiments, in step S120, if the engine state parameter indicates that the engine is in the shutdown state and the engine water temperature parameter is lower than the preset threshold, the water pump is controlled to switch to the second working mode, including:

[0063] If the engine state parameter indicates that the engine is in the shutdown state, the engine is controlled to run;

[0064] The speed parameter and the load parameter of the engine are obtained, and the second target speed of the water pump is determined;

[0065] The water pump is controlled to run at the second target speed.

[0066] In this embodiment, the engine is in the running state, and since the engine water temperature parameter is lower than the preset threshold, only relying on the water pump cannot guarantee sufficient heat supply, so the engine needs to be restarted. At this time, the second target speed of the water pump needs to be determined according to the speed parameter and the load parameter of the restarted engine, which can be determined by querying the calibrated parameter mapping table.

[0067] In some embodiments, in step S120, if the engine state parameter indicates that the engine is in the shutdown state and the engine water temperature parameter is not lower than the preset threshold, the water pump is controlled to switch to the third working mode, including:

[0068] If the engine state parameter indicates that the engine is in the shutdown state and the engine water temperature parameter is not lower than the preset threshold, the third target speed of the water pump is determined based on the engine water temperature parameter and the expected temperature value of the warm air;

[0069] The water pump is controlled to run at the third target speed.

[0070] In this embodiment, the engine is in the shutdown state and the engine water temperature parameter is not lower than the preset threshold, at this time, only relying on the water pump is enough to guarantee sufficient heat supply. Therefore, based on the engine water temperature parameter and the expected temperature value of the warm air, the third target speed of the water pump can be determined.

[0071] Generally, when the engine water temperature parameter is constant, the greater the expected temperature value of the warm air, the greater the third target speed of the water pump; when the expected temperature value of the warm air is constant, the greater the engine water temperature parameter, the smaller the third target speed of the water pump. The specific mapping relationship between the engine water temperature parameter, the expected temperature value of the warm air and the speed of the water pump can be calibrated through experiments.

[0072] In one example, the specific form of the parameter mapping table corresponding to the engine water temperature parameter and the expected temperature value of the warm air can refer to Table 2:

[0073] Engine water temperature parameter / heater expected temperature value 20 25 30 50 1600 1800 2000 60 1500 1700 1900 70 1400 1600 1800

[0074] Table 2

[0075] Wherein, the horizontal axis is the temperature of the warm air, unit ℃, the vertical axis is the engine water temperature parameter, unit ℃.

[0076] In some embodiments, the water pump speed corresponding to the first working mode, the second working mode and the third working mode of the water pump can be partially different, or can be all different.

[0077] For example, if the engine is in a running state, the first target speed n1 of the water pump can be determined according to the current speed parameter N1 and the load parameter a of the engine; if the engine state is in a shutdown state, and the engine water temperature parameter is lower than the preset threshold, the engine needs to be restarted. The first target speed n2 of the water pump can be determined according to the speed parameter N2 and the load parameter b of the restarted engine. Here, n1 and n2 can be equal or not equal.

[0078] The engine state parameter and the engine water temperature parameter are used to accurately determine the current demand for the warm air, so that a reasonable warm air strategy is selected when the engine is shut down, and the problem of insufficient warm air affecting the driving experience is avoided, and the loss of fuel consumption caused by unnecessary engine start is also reduced. When the engine is not shut down, the water pump output is controlled according to the warm air demand to match the warm air power, so as to reduce the waste of heat while ensuring the demand for warm air.

[0079] In some embodiments, the application provides a water pump control device, please refer to Figure 2 , Figure 2 The structure schematic diagram of a water pump control device provided by the embodiment of the application; the water pump control device 200 comprises:

[0080] The acquisition module 210 is configured to acquire the engine state parameter and the engine water temperature parameter.

[0081] The control module 220 is configured to control the water pump to switch to the first working mode if the engine state parameter indicates that the engine is in a running state; control the water pump to switch to the second working mode if the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is lower than the preset threshold; control the water pump to switch to the third working mode if the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is not lower than the preset threshold; wherein the water pump speed corresponding to the first working mode, the second working mode and the third working mode is different.

[0082] In the embodiment, the engine state parameter represents whether the engine is in a running state. The engine water temperature parameter represents an in-cylinder water temperature of the engine. If the engine is in the running state, the water pump is controlled to switch to the first working mode, in which case, the engine and the water pump jointly maintain circulation of the heating branch. If the engine is in a shutdown state and the engine water temperature parameter is lower than a preset threshold, at this time, only relying on the water pump cannot guarantee sufficient heat supply, and therefore the engine needs to be restarted and the water pump needs to be controlled to switch to the second working mode, i.e., the engine and the water pump jointly maintain circulation of the heating branch. If the engine is in the shutdown state and the engine water temperature parameter is not lower than the preset threshold, at this time, only relying on the water pump is enough to guarantee sufficient heat supply, and therefore the engine does not need to be restarted, and only the water pump needs to be controlled to switch to the third working mode. It should be noted that the preset threshold can be calibrated through experiments, and the specific value is related to the power of the water pump and the current ambient temperature, and is not limited.

[0083] In some embodiments, the control module 220 is specifically configured to:

[0084] If the engine state parameter represents that the engine is in a running state, obtaining a current speed parameter and a load parameter of the engine;

[0085] querying a calibrated parameter mapping table based on the speed parameter and the load parameter to determine a first target speed of the water pump;

[0086] controlling the water pump to operate at the first target speed.

[0087] In the embodiment, when the engine is in the running state, the matched speed of the water pump can be determined according to the current speed parameter and the load parameter of the engine. Generally, when the current speed parameter of the engine is certain, the greater the load parameter, the greater the first target speed of the water pump; and when the load parameter of the engine is certain, the greater the current speed parameter of the engine, the greater the first target speed of the water pump.

[0088] In some embodiments, the control module 220 is specifically further configured to:

[0089] If the engine state parameter represents that the engine is in a shutdown state, controlling the engine to operate;

[0090] obtaining a speed parameter and a load parameter of the engine to determine a second target speed of the water pump;

[0091] controlling the water pump to operate at the second target speed.

[0092] In this embodiment, the engine is in a running state, and only relying on the water pump cannot guarantee sufficient heat supply because the engine water temperature parameter is lower than the preset threshold value, and thus the engine needs to be restarted. At this time, the second target speed of the water pump needs to be determined according to the speed parameter and the load parameter of the restarted engine, which can be determined by querying the calibrated parameter mapping table.

[0093] In some embodiments, the control module 220 is further configured to:

[0094] If the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is not lower than the preset threshold value, a third target speed of the water pump is determined based on the engine water temperature parameter and the expected temperature value of the heater core.

[0095] The water pump is controlled to operate at the third target speed.

[0096] In this embodiment, the engine is in a shutdown state, and the engine water temperature parameter is not lower than the preset threshold value. At this time, only relying on the water pump is enough to guarantee sufficient heat supply. Therefore, based on the engine water temperature parameter and the expected temperature value of the heater core, the third target speed of the water pump can be determined. Generally, when the engine water temperature parameter is constant, the greater the expected temperature value of the heater core, the greater the third target speed of the water pump; when the expected temperature value of the heater core is constant, the greater the engine water temperature parameter, the smaller the third target speed of the water pump. The specific mapping relationship between the engine water temperature parameter, the expected temperature value of the heater core and the speed of the water pump can be calibrated through experiments. It should be noted that the speeds of the water pump corresponding to the first working mode, the second working mode and the third working mode of the water pump can be partially different or completely different.

[0097] The embodiments of the present application accurately determine the current heater core demand through the engine state parameter and the engine water temperature parameter, so as to select a reasonable heater core strategy when the engine is shutdown, avoid the problem of insufficient heater core, and affect the driving experience. It can also reduce the loss of fuel consumption caused by unnecessary engine start. When the engine is not shutdown, the water pump output is controlled to match the heater core demand, so as to reduce the waste of heat while ensuring that the heater core demand is met.

[0098] It should be noted that the above description of the water pump control device embodiments is similar to the description of the above water pump control method embodiments, and has similar beneficial effects as the water pump control method embodiments. For technical details not disclosed in the water pump control device embodiments of the present application, please refer to the description of the water pump control method embodiments of the present application for understanding, which will not be described here.

[0099] The embodiments of the third aspect of the present application provide an electronic device, please refer to Figure 3 , Figure 3A structural diagram of an electronic device is provided in the embodiments of the present application. The electronic device includes a memory and a processor. The memory stores a computer program. When the computer program is executed by the processor, the processor executes the steps of the water pump control method.

[0100] The electronic device can be a terminal, a server or similar computing device. The electronic device can have a large difference due to different configurations or performances. The electronic device can include one or more central processing units (CPUs), including but not limited to a microprocessor MCU or a programmable logic device FPGA, a memory for storing data, and one or more storage media (for example, one or more mass storage devices) for storing application programs or data. The memory and the storage media can be temporary storage or persistent storage. The program stored in the storage medium can include one or more modules, each of which can include a series of instruction operations in the electronic device. Furthermore, the central processing unit can be configured to communicate with the storage medium and execute a series of instruction operations in the storage medium on the electronic device. The electronic device can also include one or more power supplies, one or more wired or wireless network interfaces, one or more input / output interfaces, and / or one or more operating systems, such as Windows Server, Mac OS X, Unix, Linux, FreeBSD, etc. The input / output interface can be used to receive or send data via a network. The above network can include a wireless network provided by a communication provider of the electronic device.

[0101] In one example, the input / output interface includes a network interface controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet. In an exemplary embodiment, the input / output interface can be a radio frequency (RF) module for communicating with the Internet in a wireless manner.

[0102] Those of ordinary skill in the art can understand that, Figure 3 The structure shown is only a schematic, which does not limit the structure of the above-mentioned electronic device. For example, the electronic device can include more or fewer components than those shown in Figure 3 or have a different configuration than Figure 3 shown.

[0103] In some embodiments, the embodiments of the present application provide a computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the steps of the water pump control method are implemented.

[0104] It should be noted that the above electronic device embodiments and storage medium embodiments are similar to the above water pump control method embodiments, and have similar beneficial effects as the water pump control method embodiments. For technical details not disclosed in the electronic device embodiments and storage medium embodiments of the present application, please refer to the description of the water pump control method embodiments of the present application for understanding, which will not be repeated here.

[0105] In several embodiments provided in the present application, it should be understood that the disclosed water pump control method, device, system and storage medium can be implemented in other ways. The above described method, device and system embodiments are only illustrative.

[0106] The water pump control method, device, electronic device and storage medium described in the embodiments of the present application are only taken as examples, but are not limited thereto. As long as the water pump control method, device, electronic device and storage medium are involved, they are within the protection scope of the present application.

[0107] It should be understood that the "one embodiment" or "an embodiment" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "in one embodiment" or "in an embodiment" appearing throughout the specification does not necessarily mean the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner. It should be understood that in various embodiments of the present application, the size of the sequence number of the above processes does not mean the execution order, and the execution order of the processes should be determined according to its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application. The sequence number of the above embodiments of the present application is only for description, not representing the advantages and disadvantages of the embodiments.

[0108] It should be noted that in this paper, the term "including", "containing" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device. Without more limitations, the element defined by the sentence "including a…" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0109] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can easily think of or replace within the technical range disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A water pump control method characterized by, The method comprises: acquiring an engine state parameter and an engine water temperature parameter; if the engine state parameter indicates that the engine is in a running state, acquiring a current speed parameter and a load parameter of the engine, and controlling the water pump to switch to a first working mode based on the speed parameter and the load parameter; if the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is lower than a preset threshold, controlling the engine to operate and acquiring the speed parameter and the load parameter of the engine, and controlling the water pump to switch to a second working mode based on the speed parameter and the load parameter; if the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is not lower than a preset threshold, controlling the water pump to switch to a third working mode based on the engine water temperature parameter and a warm air expected temperature value; wherein the water pump speeds corresponding to the first working mode, the second working mode and the third working mode are different.

2. The water pump control method according to claim 1, characterized by, The method wherein if the engine state parameter indicates that the engine is in a running state, acquiring a current speed parameter and a load parameter of the engine, and controlling the water pump to switch to a first working mode based on the speed parameter and the load parameter, comprises: if the engine state parameter indicates that the engine is in a running state, acquiring a current speed parameter and a load parameter of the engine; querying a calibrated parameter mapping table based on the speed parameter and the load parameter to determine a first target speed of the water pump; controlling the water pump to operate at the first target speed.

3. The water pump control method according to claim 2, characterized by, The method wherein if the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is lower than a preset threshold, controlling the engine to operate and acquiring the speed parameter and the load parameter of the engine, and controlling the water pump to switch to a second working mode based on the speed parameter and the load parameter, comprises: if the engine state parameter indicates that the engine is in a shutdown state, controlling the engine to operate; acquiring the speed parameter and the load parameter of the engine to determine a second target speed of the water pump; controlling the water pump to operate at the second target speed.

4. The water pump control method according to claim 1, characterized by The method wherein if the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is not lower than a preset threshold, controlling the water pump to switch to a third working mode based on the engine water temperature parameter and a warm air expected temperature value, comprises: if the engine state parameter indicates that the engine is in a shutdown state and the engine water temperature parameter is not lower than a preset threshold, determining a third target speed of the water pump based on the engine water temperature parameter and the warm air expected temperature value; controlling the water pump to operate at the third target speed.

5. A water pump control device characterized by comprising: The method comprises: an acquiring module, configured to acquire an engine state parameter and an engine water temperature parameter; The control module is configured to: if the engine status parameters indicate that the engine is running, acquire the current engine speed and load parameters, and control the water pump to switch to a first operating mode based on the engine speed and load parameters; if the engine status parameters indicate that the engine is stopped and the engine coolant temperature is below a preset threshold, control the engine to run and acquire the engine speed and load parameters, and control the water pump to switch to a second operating mode based on the engine speed and load parameters; if the engine status parameters indicate that the engine is stopped and the engine coolant temperature is not below a preset threshold, control the water pump to switch to a third operating mode based on the engine coolant temperature and the expected heater temperature value; wherein the water pump speeds corresponding to the first operating mode, the second operating mode, and the third operating mode are different.

6. The water pump control device according to claim 5, characterized by The control module is specifically used for: If the engine status parameters indicate that the engine is in operation, obtain the current engine speed parameters and load parameters; Based on the speed parameters and load parameters, the calibrated parameter mapping table is queried to determine the first target speed of the water pump; Control the water pump to operate at a first target speed.

7. The water pump control apparatus according to claim 5, characterized by The control module is further used for: If the engine status parameters indicate that the engine is in a stopped state, control the engine to run; Obtain the engine's speed and load parameters to determine the second target speed corresponding to the water pump; Control the water pump to operate at the second target speed.

8. The water pump control apparatus according to claim 5, characterized by The control module is further used for: If the engine status parameters indicate that the engine is in a stopped state, and the engine coolant temperature parameters are not lower than a preset threshold, the third target speed of the water pump is determined based on the engine coolant temperature parameters and the expected temperature value of the heater. The water pump is controlled to operate at the third target speed.

9. An electronic device comprising a memory and a processor, the memory storing a computer program, wherein when the computer program is executed by the processor, the processor performs the steps of the method as claimed in any one of claims 1 to 4.

10. A computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the method according to any one of claims 1 to 4.

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