Fuel temperature control method and device in vehicle, vehicle and electronic device

Abstract

This application discloses a method, device, vehicle, and electronic device for controlling fuel temperature in a vehicle, relating to the field of vehicle technology. The method includes: monitoring the vehicle's fuel temperature in response to engine operation; and controlling the fuel temperature to be between a first threshold and a second threshold to cause the fuel to flash boil. This application addresses the technical issues in related technologies where improving fuel atomization and mixing by improving injection methods and increasing injection pressure can easily lead to NVH issues, resulting in low efficiency, high cost, and difficulty in implementation.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a method and device for controlling fuel temperature in a vehicle, a vehicle, and an electronic device. Background Art

[0002] Typically, when a vehicle is starting, the engine is in a cold-start condition. During this time, the internal operating temperature of the engine is low, making it susceptible to poor fuel atomization conditions, which can lead to slow atomization of the fuel after it is sprayed, resulting in carbon deposits and oil dilution. Furthermore, because the fuel away from the combustion chamber surface is not fully atomized, the mixture is unevenly distributed, resulting in high levels of particulate matter emissions during the cold-start combustion process. This exacerbates combustion cycle variability and creates emissions challenges. Therefore, promoting fuel atomization and accelerating the formation of a uniform mixture during cold-start conditions are key to achieving both power economy and emissions in gasoline engines.

[0003] Currently, efforts are underway to improve the fuel injection method and increase the injection pressure to make the fuel quantity more accurate and the mixing more uniform and effective. However, while this method increases the accumulation of injection pressure, it also causes noise, vibration, and harshness (NVH) problems. This method is inefficient, costly, and difficult to implement.

[0004] To address the above-mentioned problems, no effective solutions have been proposed so far. Summary of the Invention

[0005] The embodiments of the present application provide a method, device, vehicle and electronic device for controlling fuel temperature in a vehicle, so as to at least solve the technical problems in the related art that promoting fuel atomization and mixing by improving the injection method, increasing the injection pressure, etc. is prone to cause NVH problems, and is low in efficiency, high in cost and difficult to implement.

[0006] According to one embodiment of the present application, a method for controlling fuel temperature in a vehicle is provided, comprising: monitoring the fuel temperature of the vehicle in response to the operation of the vehicle's engine; and controlling the fuel temperature to be between a first threshold and a second threshold so that the fuel flashes.

[0007] Optionally, controlling the fuel temperature to be between a first threshold and a second threshold includes: in response to the fuel temperature being less than or equal to the first threshold, opening at least one heating line, wherein the at least one heating line includes at least one fuel heater for heating the fuel.

[0008] Optionally, controlling the fuel temperature to be between a first threshold and a second threshold also includes: opening a bypass line in response to the fuel temperature being greater than or equal to the second threshold, wherein the second threshold is greater than the first threshold, and the bypass line is used to divert the fuel flowing through at least one heating line.

[0009] Optionally, opening at least one heating circuit includes: adjusting the valve opening of a first electrically controlled valve to open the first heating circuit, wherein the first heating circuit includes a first fuel heater; and in response to the fuel temperature being less than a second threshold, adjusting the valve opening of a second electrically controlled valve to open the second heating circuit, wherein the second heating circuit includes a second fuel heater.

[0010] Optionally, adjusting the valve opening of the first electronically controlled valve and opening the first heating pipeline includes: adjusting the valve opening of the first electronically controlled valve to a first opening and opening the first heating pipeline; in response to the fuel temperature being less than a second threshold, adjusting the valve opening of the first electronically controlled valve to a second opening, wherein the fuel flow corresponding to the second opening is greater than the fuel flow corresponding to the first opening.

[0011] Optionally, opening the bypass line includes: adjusting the valve opening of the third electronically controlled valve to a third opening to open the bypass line, wherein the third electronically controlled valve is used to control the fuel flow in the bypass line; in response to the fuel temperature being less than a first threshold, adjusting the valve opening of the third electronically controlled valve to a fourth opening, wherein the fuel flow corresponding to the fourth opening is less than the fuel flow corresponding to the third opening.

[0012] Optionally, the at least one fuel heater includes at least one of the following: an exhaust fuel heater, a coolant fuel heater, an engine oil fuel heater, and an electric fuel heater.

[0013] According to one embodiment of the present application, a fuel temperature control device in a vehicle is also provided, which is characterized by including: a monitoring module, the monitoring module is used to monitor the fuel temperature of the vehicle in response to the operation of the vehicle's engine; and a control module, the control module is used to control the fuel temperature to be between a first threshold value and a second threshold value so that the fuel flashes.

[0014] Optionally, the control module is further configured to open at least one heating circuit in response to the fuel temperature being less than or equal to a first threshold, wherein the at least one heating circuit comprises at least one fuel heater configured to heat the fuel.

[0015] Optionally, the control module is further configured to open a bypass line in response to the fuel temperature being greater than or equal to a second threshold, wherein the second threshold is greater than the first threshold, and the bypass line is configured to divert fuel flowing through at least one heating line.

[0016] Optionally, the control module is also used to adjust the valve opening of the first electronically controlled valve to open the first heating pipeline, wherein the first heating pipeline includes a first fuel heater; in response to the fuel temperature being less than a second threshold, adjust the valve opening of the second electronically controlled valve to open the second heating pipeline, wherein the second heating pipeline includes a second fuel heater.

[0017] Optionally, the control module is also used to adjust the valve opening of the first electronically controlled valve to a first opening to open the first heating pipeline; in response to the fuel temperature being less than a second threshold, adjust the valve opening of the first electronically controlled valve to a second opening, wherein the fuel flow corresponding to the second opening is greater than the fuel flow corresponding to the first opening.

[0018] Optionally, the control module is also used to adjust the valve opening of the third electronically controlled valve to a third opening to open the bypass line, wherein the third electronically controlled valve is used to control the fuel flow in the bypass line; in response to the fuel temperature being less than the first threshold, the valve opening of the third electronically controlled valve is adjusted to a fourth opening, wherein the fuel flow corresponding to the fourth opening is less than the fuel flow corresponding to the third opening.

[0019] Optionally, the at least one fuel heater includes at least one of the following: an exhaust fuel heater, a coolant fuel heater, an engine oil fuel heater, and an electric fuel heater.

[0020] According to one embodiment of the present application, a vehicle is further provided, which is used to execute any of the above-mentioned methods for controlling fuel temperature in a vehicle.

[0021] According to one embodiment of the present application, a computer-readable storage medium is further provided, in which a computer program is stored. The computer program is configured to execute any of the above-mentioned methods for controlling fuel temperature in a vehicle when running on a computer or a processor.

[0022] According to one embodiment of the present application, an electronic device is also provided, including a memory and a processor, wherein a computer program is stored in the memory, and the processor is configured to run the computer program to execute any of the above-mentioned methods for controlling fuel temperature in a vehicle.

[0023] In an embodiment of the present application, the above-described method is employed to monitor the vehicle's fuel temperature in real time in response to the vehicle's engine operation, and to control the fuel temperature to be between a first threshold and a second threshold to cause the fuel to flash boil. This method achieves the goal of effectively flash boiling the fuel by controlling the fuel temperature during engine operation. Flash boiling allows for rapid atomization of the fuel, ensuring full combustion, thereby reducing emissions and achieving the technical effect of energy conservation and emission reduction. This method also addresses the technical issues in related technologies where promoting fuel atomization and mixing by improving the injection method or increasing the injection pressure can easily lead to NVH issues, resulting in low efficiency, high cost, and difficulty in implementation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0025] Figure 1 is a flow chart of a method for controlling fuel temperature in a vehicle according to one embodiment of the present application;

[0026] Figure 2 is a schematic diagram of a method for controlling fuel temperature in a vehicle according to one embodiment of the present application;

[0027] Figure 3 is a system configuration diagram of a fuel temperature control method in a vehicle according to one embodiment of the present application;

[0028] Figure 4 is a flow chart of a method for controlling fuel temperature in a vehicle according to one embodiment of the present application;

[0029] Figure 5 is a system configuration diagram of a method for controlling fuel temperature in a vehicle according to another embodiment of the present application;

[0030] Figure 6 is a system configuration diagram of a method for controlling fuel temperature in a vehicle according to another embodiment of the present application;

[0031] Figure 7 is a system configuration diagram of a method for controlling fuel temperature in a vehicle according to another embodiment of the present application;

[0032] Figure 8 This is a structural block diagram of a fuel temperature control device in a vehicle according to one embodiment of the present application. DETAILED DESCRIPTION

[0033] To facilitate understanding, some descriptions of concepts related to the embodiments of the present invention are exemplarily provided for reference.

[0034] As shown below:

[0035] Flash boiling, also known as spray flash boiling, occurs when the pressure of high-temperature fuel suddenly drops below its saturation pressure, generating bubbles within the fuel, a phenomenon similar to boiling. As the pressure continues to drop, exceeding the overheat limit, the bubbles explode, breaking the fuel into very fine droplets and accelerating atomization. In the embodiments of the present application, the fuel temperature is controlled to cause flash boiling. This flash boiling phenomenon is utilized to accelerate fuel atomization during cold start conditions, improve fuel combustion, and thereby reduce engine emissions. It also accelerates fuel atomization and mixing, ensuring uniform mixing of gases within the engine, thereby addressing emissions issues.

[0036] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0037] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0038] According to one embodiment of the present application, an embodiment of a method for controlling fuel temperature in a vehicle is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0039] The method embodiment can be executed in an electronic device, a similar control device, or a system including a memory and a processor. Taking an electronic device as an example, the electronic device may include one or more processors and a memory for storing data. Optionally, the electronic device may also include a communication device and a display device for communication functions. It will be understood by those skilled in the art that the above structural description is only illustrative and does not limit the structure of the electronic device. For example, the electronic device may also include more or fewer components than those described in the above structural description, or have a configuration different from the above structural description.

[0040] The processor may include one or more processing units. For example, the processor may include a central processing unit (CPU), a graphics processing unit (GPU), a digital signal processing (DSP) chip, a microcontroller unit (MCU), a programmable logic device (field-programmable gate array, FPGA), a neural network processor (NPU), a tensor processing unit (TPU), an artificial intelligence (AI) type processor, and the like. Among them, different processing units may be independent components or integrated into one or more processors. In some instances, the electronic device may also include one or more processors.

[0041] The memory can be used to store computer programs, such as a computer program corresponding to the vehicle fuel temperature control method described in the embodiments of the present application. The processor executes the computer program stored in the memory to implement the vehicle fuel temperature control method described above. The memory can include high-speed random access memory (RAM) and non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory can further include memory remotely located from the processor, and such remote memory can be connected to the electronic device via a network. Examples of such networks include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0042] The communication device is used to receive or send data via a network. Specific examples of the aforementioned network may include a wireless network provided by a communication provider of the mobile terminal. In one embodiment, the communication device includes a network interface controller (NIC), which can be connected to other network devices via a base station to enable communication with the Internet. In one embodiment, the communication device may be a radio frequency (RF) module, which is used to communicate with the Internet wirelessly.

[0043] The display device can be, for example, a touch screen liquid crystal display (LCD) and a touch display (also referred to as a "touch screen" or "touch display screen"). The liquid crystal display can enable the user to interact with the user interface of the mobile terminal. In some embodiments, the mobile terminal has a graphical user interface (GUI), and the user can interact with the GUI by finger contacts and / or gestures on the touch-sensitive surface. The human-computer interaction functions here optionally include the following interactions: creating web pages, drawing, word processing, making electronic documents, games, video conferencing, instant messaging, sending and receiving emails, call interfaces, playing digital videos, playing digital music and / or web browsing, etc. The executable instructions for performing the above-mentioned human-computer interaction functions are configured / stored in a computer program product or readable storage medium executable by one or more processors.

[0044] In this embodiment, a method for controlling fuel temperature in a vehicle running on an electronic device is provided. Figure 1 FIG. 1 is a flow chart of a method for controlling fuel temperature in a vehicle according to one embodiment of the present application. Figure 1 As shown, the process includes the following steps:

[0045] Step S10, in response to the vehicle engine running, monitoring the fuel temperature of the vehicle;

[0046] When a vehicle's engine is running, the fuel inside it begins to burn. Understandably, during the initial start phase, the engine is in a cold-start condition, making it difficult to start. Furthermore, the engine's internal temperature is low, dissipating heat quickly and creating poor atomization and combustion conditions. These poor atomization conditions can lead to slow atomization of the fuel after it is sprayed, which can cause carbon deposits and oil dilution. Furthermore, because the fuel away from the combustion chamber surface is not fully atomized, the mixture is unevenly distributed, resulting in significant particulate matter emissions during the cold-start combustion process. This exacerbates combustion cycle variability and creates emissions challenges.

[0047] It is understandable that the flash boiling phenomenon of fuel can accelerate fuel atomization by promoting fuel combustion. Optionally, the flash boiling phenomenon of fuel can be controlled by controlling the engine fuel combustion temperature, so that the flash boiling phenomenon of fuel can be used to accelerate the fuel atomization in cold start conditions, thereby improving the internal combustion conditions of the vehicle engine, reducing the original exhaust gas in the engine, and reasonably accelerating the atomization mixing of fuel to make the internal gas of the engine evenly mixed, thereby solving the emission problem.

[0048] It is understandable that since flash boiling can only occur in a certain temperature range, it is necessary to monitor the vehicle's fuel temperature in real time. By obtaining the vehicle's fuel temperature in real time and controlling the fuel temperature according to actual conditions, the fuel can be flash boiled while ensuring combustion safety.

[0049] Optionally, a temperature sensor can be set inside the vehicle's engine to monitor the temperature of the fuel in real time. For example, the temperature sensor can be set before the fuel injection device in the vehicle's engine, so as to accurately monitor the temperature of the fuel in real time. This embodiment of the present application is not limited to this.

[0050] Step S11: controlling the fuel temperature to be between a first threshold and a second threshold so as to cause the fuel to flash boil.

[0051] It is understandable that flash boiling can only occur effectively in fuel within a certain temperature range. When the fuel temperature is too low, the fuel combustion is incomplete, and it is impossible to reach a boiling state and produce bubbles. It is even more impossible to break the fuel into very fine oil droplets through the bursting of bubbles, and then flash boiling occurs. When the fuel temperature is too high, there is a possibility of explosion or other risk of loss of control due to the intense combustion of the fuel.

[0052] Therefore, it is necessary to control the fuel temperature within an appropriate temperature range and allow flash boiling to occur while ensuring safe combustion of the fuel. The flash boiling phenomenon of the fuel can be used to accelerate the fuel atomization during the vehicle's cold start condition, thereby improving the internal combustion conditions of the vehicle engine and reducing the original emissions inside the engine.

[0053] The first threshold can be understood as the lower limit of the temperature at which the fuel flashes, that is, the lowest temperature that can ensure that the fuel flashes effectively. Below this minimum temperature, the fuel flashes effectively. The second threshold can be understood as the upper limit of the temperature at which the fuel burns safely, that is, the highest temperature that can ensure that the fuel burns safely. Exceeding this maximum temperature may cause a risk of loss of control due to the intense combustion of the fuel.

[0054] Figure 2 FIG. 1 is a schematic diagram of a method for controlling fuel temperature in a vehicle according to one embodiment of the present application. Figure 2 As shown, Figure 2 In the rectangular coordinate system, the horizontal axis represents the fuel temperature, and the vertical axis represents the pressure value. Under a specific pressure, when the fuel temperature is greater than the flash boiling critical temperature (i.e., the first threshold value), the fuel can flash boil. It can be understood that, in theory, flash boiling can occur when the fuel temperature is greater than the flash boiling critical temperature. However, in actual practice, due to environmental restrictions and other factors, the lowest temperature at which the fuel can actually flash boil is usually greater than the flash boiling critical temperature. That is, when the fuel temperature is greater than the actual flash boiling critical temperature, the fuel flash boils. Figure 2The area where the fuel oil temperature is greater than the actual flash boiling critical temperature is the flash boiling zone; Figure 2 The area where the fuel temperature is lower than the flash boiling critical temperature is the non-flash boiling area; when the fuel temperature is higher than the maximum temperature for safe fuel combustion (i.e., the second threshold), the fuel burns violently, which may cause control risks. Figure 2 The area where the fuel temperature is lower than the maximum temperature is the temperature control area. In the embodiment of the present application, the fuel temperature needs to be controlled to be in both the flash boiling area and the temperature control area (i.e., the fuel temperature is controlled to be between the first threshold and the second threshold) to ensure that the fuel flashes under the premise of safe combustion.

[0055] Optionally, a control unit can be provided inside the vehicle engine, which can be combined with a temperature sensor inside the vehicle engine to control the fuel temperature according to the real-time monitored fuel temperature. When the fuel temperature is monitored to be less than or equal to a first threshold, the fuel temperature is controlled to increase, thereby ensuring that the fuel can effectively flash boil; when the fuel temperature is monitored to be greater than or equal to a second threshold, the fuel temperature is controlled to decrease, thereby ensuring safe combustion of the fuel.

[0056] Through the above steps, the vehicle's fuel temperature is monitored in real time in response to the vehicle's engine operation, and the fuel temperature is controlled to be between a first threshold and a second threshold to cause the fuel to flash boil. This effectively controls the fuel temperature during flash boiling, ensuring complete fuel combustion and achieving the technical effect of flash boiling during vehicle engine startup. Furthermore, the process is simple and easy to implement, significantly improving system efficiency. This solves the technical problem in related technologies that promoting fuel atomization and mixing by improving the injection method or increasing the injection pressure can easily lead to NVH issues, resulting in low efficiency, high cost, and difficulty in implementation.

[0057] Optionally, in step S11, controlling the fuel temperature to be between the first threshold and the second threshold may include the following steps:

[0058] Step S110, in response to the fuel temperature being less than or equal to a first threshold, opening at least one heating pipeline;

[0059] Wherein, at least one heating pipeline includes at least one fuel heater, and the fuel heater is used to heat the fuel.

[0060] A heating line can be understood as a pipeline in a vehicle engine used to heat the fuel. A vehicle engine may have multiple heating lines, each containing a fuel heater that heats the fuel, thereby increasing its temperature. Furthermore, a switch can be used to control the flow of fuel through the heating line, thereby controlling the amount of heated fuel and, in turn, the fuel temperature.

[0061] When the fuel temperature is less than or equal to a first threshold, it indicates that the current fuel temperature is about to fall below or has already fallen below the critical flash boiling temperature of the fuel. The fuel temperature needs to be increased so that the fuel temperature exceeds the first threshold, thereby causing flash boiling. The fuel temperature is increased by opening at least one heating pipeline, that is, opening at least one fuel heater to heat the fuel.

[0062] Optionally, the at least one fuel heater includes at least one of the following: an exhaust fuel heater, a coolant fuel heater, an engine oil fuel heater, and an electric fuel heater.

[0063] It is understandable that different types of fuel heaters heat the fuel in different ways, and therefore, the speed of heating the fuel is also different. Among the above-mentioned fuel heaters, the exhaust fuel heater has the fastest heating speed and can increase the temperature of the fuel in a relatively short period of time. The next fastest are the engine oil fuel heater, the coolant fuel heater, and the electric fuel heater.

[0064] Optionally, at least one fuel heater may also include other types of fuel heaters, such as steam fuel heaters, natural gas fuel heaters, etc., and a fuel heater with high efficiency and high safety can be selected. The embodiment of this application is not limited.

[0065] Optionally, a fuel heater with a faster heating speed can be selected to heat the fuel, thereby increasing the fuel temperature in a shorter time and completing the heating of the fuel, thereby promoting the flash boiling phenomenon of the fuel, saving time and being more efficient.

[0066] Optionally, in step S11, controlling the fuel temperature to be between the first threshold and the second threshold may further include the following execution steps:

[0067] Step S111, in response to the fuel temperature being greater than or equal to a second threshold, opening the bypass line;

[0068] The second threshold is greater than the first threshold, and the bypass line is used to divert the fuel flowing through at least one heating line.

[0069] The bypass line can be understood as a pipeline passage for diverting fuel near the heating line in the vehicle engine. It can be understood that when the fuel flows through the bypass line, it is equivalent to diverting part of the fuel originally flowing through at least one heating line to the bypass line. At this time, the amount of fuel flowing through at least one heating line is reduced, and the amount of fuel heated is reduced. Therefore, the temperature of the fuel finally gathered after the at least one heating line and the bypass line is reduced.

[0070] Optionally, at least one heating line and a bypass line can be set before the temperature sensor inside the engine, and the fuel can be heated by the at least one heating line and the bypass line. The fuel temperature is monitored in real time according to the temperature sensor in front of the fuel injection device. When the temperature sensor detects that the fuel temperature is greater than or equal to a second threshold value, the bypass line is opened by the control unit, so that the amount of fuel flowing through the at least one heating line is reduced, thereby lowering the fuel temperature.

[0071] When the fuel temperature is greater than or equal to the second threshold, it indicates that the current fuel temperature is about to exceed or has exceeded the maximum temperature that ensures safe fuel combustion. The fuel temperature needs to be lowered to below the second threshold to ensure safe fuel combustion and prevent the occurrence of safety hazards. The fuel temperature is lowered by opening the bypass line, that is, by diverting the fuel flowing through at least one heating line.

[0072] Optionally, in step S110, opening at least one heating pipeline may include the following steps:

[0073] Step S1100, adjusting the valve opening of the first electronically controlled valve to open the first heating pipeline;

[0074] Wherein, the first heating pipeline includes a first fuel heater.

[0075] The electronically controlled valve can be understood as a valve used to control the fuel flow in at least one heating pipeline. By adjusting the valve opening, the fuel flow through at least one heating pipeline can be controlled, thereby controlling the fuel temperature.

[0076] Alternatively, an exhaust fuel heater can be selected as the first fuel heater. The heating line in which the exhaust fuel heater is located is referred to as the first heating line, and the electrically controlled valve that controls the heating line in which the exhaust fuel heater is located is referred to as the first electrically controlled valve. By adjusting the opening of the first electrically controlled valve, the first heating line is opened, thereby controlling the flow of fuel through the first heating line and heating the fuel via the first fuel heater in the first heating line.

[0077] Optionally, a coolant fuel heater, an engine oil fuel heater or an electric fuel heater can also be selected as the first fuel heater, and the first heating pipeline and the first electrically controlled valve are the heating pipeline and electrically controlled valve corresponding to the selected fuel heater, which is not limited in the embodiment of the present application.

[0078] Step S1101 , in response to the fuel temperature being lower than the second threshold, adjusting the valve opening of the second electronically controlled valve to open the second heating pipeline.

[0079] Wherein, the second heating pipeline includes a second fuel heater.

[0080] After the first heating line is turned on, the fuel is heated by the first heater. If the temperature of the fuel after being heated by the first heater is less than the second threshold, it means that the fuel temperature has not exceeded the maximum temperature for ensuring safe combustion of the fuel. At this time, the fuel temperature can be further increased to accelerate the full combustion of the fuel and cause the fuel to flash boil.

[0081] Optionally, when the exhaust fuel heater is selected as the primary fuel heater, the coolant fuel heater can be selected as the secondary fuel heater. The heating circuit containing the coolant fuel heater is referred to as the secondary heating circuit, and the electrically controlled valve controlling the heating circuit is referred to as the second electrically controlled valve. By adjusting the opening of the second electrically controlled valve, the secondary heating circuit is opened, increasing the fuel flow rate. This increased fuel flow is then controlled to flow through the secondary heating circuit, where it is simultaneously heated by the secondary fuel heater, thereby controlling the increase in fuel temperature.

[0082] Optionally, when an exhaust fuel heater is selected as the first fuel heater, an engine oil fuel heater or an electric fuel heater can also be selected as the second fuel heater. The second heating pipeline and the second electrically controlled valve are the heating pipeline and electrically controlled valve corresponding to the selected fuel heater, which is not limited in the embodiment of the present application.

[0083] Optionally, in step S1100, adjusting the valve opening of the first electrically controlled valve to open the first heating pipeline may include the following steps:

[0084] Step S1100a, adjusting the valve opening of the first electronically controlled valve to a first opening, and opening the first heating pipeline;

[0085] The first degree of opening can be understood as the control valve for controlling the heating line being open and at a relatively small degree of opening, for example, from closed to halfway open. That is, when the valve opening is at the first degree of opening, the valve is open and at a relatively small degree of opening. It is understood that to prevent excessively high fuel temperatures during the initial combustion phase, which could directly lead to a risk of loss of control, the fuel temperature should not be too high when the first heating line is opened, and control is then adjusted based on the monitored fuel temperature.

[0086] The valve opening of the first electronically controlled valve is adjusted to the first opening, that is, the first electronically controlled valve is controlled to be open and at a relatively small opening degree. At this time, the first heating pipeline is opened, and the first heater heats the fuel. However, at this time, the first electronically controlled valve is opened and at a relatively small opening degree. Therefore, the fuel flow rate flowing through the first heating pipeline is small, thereby avoiding the risk of loss of control due to excessively high temperature in the initial stage of fuel combustion. At the same time, corresponding adjustment and control can be made according to the monitored fuel temperature to control the fuel temperature in real time according to actual conditions.

[0087] Step S1100b: in response to the fuel temperature being lower than the second threshold, adjusting the valve opening of the first electronically controlled valve to a second opening.

[0088] The fuel flow corresponding to the second opening degree is greater than the fuel flow corresponding to the first opening degree.

[0089] The second opening can be understood as the control valve used to control the heating pipeline is open and is at a relatively large opening degree, for example, the opening degree is half open to fully open, that is, when the valve opening is the second opening degree, the valve is open and is at a relatively large opening degree, that is, the fuel flow corresponding to the second opening is greater than the fuel flow corresponding to the first opening.

[0090] It can be understood that after the valve opening of the first electronically controlled valve is adjusted to the first opening, the fuel flows through the first heating pipeline and is heated by the first fuel heater. When the valve opening of the first electronically controlled valve is the first opening, the fuel temperature is less than the second threshold value, indicating that the fuel temperature does not exceed the maximum temperature for ensuring safe combustion of the fuel. The fuel temperature can be appropriately increased to accelerate the full combustion of the fuel and cause flash boiling.

[0091] The valve opening of the first electronically controlled valve is adjusted to the second opening, that is, the first electronically controlled valve is controlled to be open and at a relatively large opening degree. At this time, the fuel flow rate flowing through the first heating pipeline is large, so that the fuel temperature can be controlled to rise by increasing the fuel flow rate, thereby accelerating the full combustion of the fuel and causing flash boiling.

[0092] For example, the first electrically controlled valve is adjusted to a first opening, and the first heating line is opened. Specifically, the control valve of the heating line is opened relatively slightly, heating the fuel through the first heating line. Since the first electrically controlled valve is relatively narrowly opened, the fuel flow through the first heating line is relatively low. At this point, the fuel temperature can be monitored in real time using a temperature sensor. When the monitored fuel temperature falls below a second threshold, indicating a need to increase the fuel temperature, the first electrically controlled valve is adjusted to a second opening, increasing the opening. This increases the fuel flow through the first heating line and, in turn, the fuel temperature.

[0093] Optionally, in step S111, opening the bypass line may include the following steps:

[0094] Step S1110, adjusting the valve opening of the third electronically controlled valve to a third opening, and opening the bypass line;

[0095] The third electronically controlled valve is used to control the fuel flow in the bypass line.

[0096] This step can be understood as adjusting the valve opening of the first electronically controlled valve and opening the first heating pipeline. When the fuel temperature is greater than or equal to the second threshold, it means that the fuel temperature is about to exceed or has exceeded the maximum temperature that can ensure safe combustion of the fuel. The fuel temperature needs to be lowered so that the fuel temperature is lower than the first threshold, thereby ensuring safe combustion of the fuel and preventing the occurrence of safety hazards.

[0097] The third opening degree can be understood as the third electrically controlled valve controlling the bypass line being open and at a relatively large opening degree, for example, from halfway to fully open. That is, when the third electrically controlled valve is at the third opening degree, the third electrically controlled valve is open and at a relatively large opening degree. It is understood that since the bypass line is opened to reduce fuel temperature to prevent potential safety hazards, rapid reduction of fuel temperature is required. Therefore, when the bypass line is opened, the valve controlling the bypass line is adjusted to a large opening degree to quickly reduce the fuel temperature.

[0098] The valve opening of the third electronically controlled valve is adjusted to a third opening, and the bypass line is opened, that is, the fuel flowing through the at least one heating line is diverted by opening the bypass line. At this time, the fuel flow rate flowing through the bypass line is large, and the diversion effect on the at least one heating line is large, so that the fuel temperature is reduced.

[0099] Step S1111 : In response to the fuel temperature being lower than the first threshold, adjusting the valve opening of the third electronically controlled valve to a fourth opening.

[0100] The fuel flow corresponding to the fourth opening degree is smaller than the fuel flow corresponding to the third opening degree.

[0101] The fourth opening degree can be understood as the third electronically controlled valve used to control the bypass line being open and at a relatively small opening degree, for example, being closed to an opening degree halfway open, that is, when the opening degree of the third electronically controlled valve is the fourth opening degree, the third electronically controlled valve is open and at a relatively small opening degree, that is, the fuel flow corresponding to the fourth opening degree is less than the fuel flow corresponding to the third opening degree.

[0102] It can be understood that when the valve opening of the third electronically controlled valve is adjusted to the third opening and the bypass line is opened, the valve opening of the third electronically controlled valve is larger, and the fuel flow rate flowing through the bypass line is larger, that is, the diversion effect on at least one heating line is stronger. At this time, the fuel temperature is lower than the first threshold value, indicating that the fuel temperature is lower than the critical flash boiling temperature of the fuel. The fuel temperature needs to be increased so that the fuel temperature is higher than the first threshold value, thereby causing flash boiling.

[0103] The valve opening of the third electronically controlled valve is adjusted to a fourth opening, that is, the third electronically controlled valve is opened relatively narrowly. At this point, the fuel flow rate through the bypass line is small. The diversion effect on at least one heating line is small, thereby reducing the amount of fuel diverted from the fuel heater to control the increase in fuel temperature, accelerate complete combustion of the fuel, and induce flash boiling.

[0104] Figure 3 is a system configuration diagram of a method for controlling fuel temperature in a vehicle according to one embodiment of the present application, such as Figure 3 As shown, Figure 3 The configuration diagram of the fuel temperature control system in the vehicle includes: fuel tank 1, low-pressure fuel pipe 2, low-pressure fuel pump 3, electronically controlled valve 4, exhaust fuel heater 5, coolant fuel heater 6, engine oil fuel heater 7, fuel electric heater 8, temperature sensor 9, one-way valve 10, temperature sensor 11, high-pressure fuel pump 12, high-pressure fuel pipe 13, fuel rail 14, rail pressure sensor 15, injector 16, temperature sensor 17, control unit 18, bypass line 19.

[0105] Among them, the fuel tank 1 is used to store fuel, and the low-pressure fuel pump 3 is used to suck the fuel to be burned from the fuel tank 1. The low-pressure fuel pipe 2 is used to transmit the fuel to be burned sucked from the fuel tank 1 by the low-pressure fuel pump 3. The electronically controlled valve 4 is used to control the fuel flow through the exhaust fuel heater 5, the coolant fuel heater 6, the engine oil fuel heater 7, the fuel electric heater 8 and the bypass line 19. The exhaust fuel heater 5, the coolant fuel heater 6, the engine oil fuel heater 7, and the fuel electric heater 8 are used to heat the fuel. The bypass line 19 is used to divert the fuel flow of each heating line. The temperature sensor 9 is used to monitor the fuel temperature of each heating pipeline, the one-way valve 10 is used to control the backflow of fuel in each branch, the temperature sensor 11 is used to monitor the fuel temperature at the convergence of each heating pipeline and the bypass pipeline 19, the high-pressure fuel pump 12 is used to pressurize and suck the heated fuel to the injector 16, the high-pressure fuel pipe 13 and the fuel rail 14 are used to transmit the fuel sucked by the high-pressure fuel pump 12, the rail pressure sensor 15 is used to monitor the fuel rail pressure of the fuel rail 14, the injector 16 is used to spray fuel to promote atomization, the temperature sensor 17 is used to monitor the fuel temperature before atomization, and the control unit 18 is used to control the electronically controlled valve 4.

[0106] Figure 3When the fuel temperature control system in the vehicle shown is in operation, fuel is first drawn from the fuel tank 1 through the low-pressure fuel pipe 2 by the low-pressure fuel pump 3. After being pressurized by the high-pressure fuel pump 12, it is delivered to the injector 16 through the high-pressure fuel pipe 13 and the high-pressure fuel rail 14 for fuel injection. At the same time, four heating pipelines, namely the exhaust fuel heater 5, the coolant fuel heater 6, the engine oil fuel heater 7, and the electric fuel heater 8, and a bypass pipeline 19 are connected between the low-pressure fuel pump 3 and the high-pressure fuel pump 12 in the fuel supply pipeline. The flow rate of each branch is controlled by the electronically controlled valve 4. The temperature sensor 9 monitors the fuel temperature of each branch. The backflow of fuel in each branch is controlled by the one-way valve 10. The temperature sensors 9, 11, 17 and the pressure sensor 15 transmit the real-time monitoring signals to the control unit 18. The control unit 18 controls the electronically controlled valve 4 to adjust the fuel flow rate of each heating pipeline and the bypass pipeline, thereby controlling the fuel temperature.

[0107] Figure 4 FIG. 1 is a flow chart of a method for controlling fuel temperature in a vehicle according to one embodiment of the present application. Figure 4 As shown in the figure, the specific implementation process of the above steps is comprehensively explained. Figure 4 As described above, after the engine is operating normally, the engine operating status and fuel temperature are monitored in real time (i.e., step S10). The fuel temperature is monitored to see if it is less than or equal to the flash boiling critical temperature. When the fuel temperature is less than or equal to the flash boiling critical temperature, the opening of the heating electric control valve is increased to increase the fuel flow through the heating pipeline, thereby raising the fuel temperature. At this time, the fuel temperature is continuously monitored to see if it is greater than or equal to the maximum combustion temperature of the fuel. When the fuel temperature is less than the maximum combustion temperature of the fuel, it is determined whether the heating electric control valve has reached its maximum capacity. If the heating electric control valve has reached its maximum capacity, the opening of the next heating electric control valve is increased. If the heating electric control valve has not reached its maximum capacity, the opening of the heating electric control valve is increased. At the same time, the fuel temperature is monitored to see if it is greater than or equal to the maximum combustion temperature of the fuel. When the fuel temperature is detected to be greater than or equal to the maximum combustion temperature of the fuel, the main process is returned. When the fuel temperature is greater than or equal to the maximum combustion temperature of the fuel, the opening of the bypass solenoid valve is increased to control the fuel flow diverted from the heating pipeline through the bypass pipeline, thereby lowering the fuel temperature. At this time, the fuel temperature is monitored to see if it is less than or equal to the flash boiling critical temperature. When the fuel temperature is less than or equal to the flash boiling critical temperature, the bypass solenoid valve opening is reduced. Similarly, after increasing the next heating electronic control valve, the fuel temperature is monitored to see if it is greater than or equal to the maximum combustion temperature of the fuel. When the fuel temperature is less than the maximum combustion temperature of the fuel, that is, the fuel temperature is greater than the flash boiling critical temperature and less than the maximum combustion temperature of the fuel, the process ends (i.e., step S11).

[0108] Figure 5 is a system configuration diagram of a fuel temperature control method in a vehicle according to another embodiment of the present application, such as Figure 5 As shown, Figure 5The components and functions included in the fuel temperature control system configuration diagram of the vehicle are similar to those in the Figure 3 Same as in, no further description is given here, optionally, Figure 5 The four heating pipelines including the exhaust fuel heater 5 , the coolant fuel heater 6 , the engine oil fuel heater 7 , and the fuel electric heater 8 and a bypass pipeline 19 can be connected to the high-pressure oil pump 12 .

[0109] Figure 5 When the fuel temperature control system in the illustrated vehicle is in operation, fuel is first drawn from the fuel tank 1 via the low-pressure fuel pump 3 through the low-pressure fuel pipe 2. This fuel is then pressurized by the high-pressure fuel pump 12 and delivered via the high-pressure fuel pipe 13 and high-pressure fuel rail 14 to the injector 16 for fuel injection. Simultaneously, four heating lines, namely the exhaust fuel heater 5, the coolant fuel heater 6, the engine oil fuel heater 7, and the electric fuel heater 8, and a bypass line 19 are connected downstream of the high-pressure fuel pump 12. The flow rates of these lines are controlled by electronically controlled valves 4. Temperature sensors 9 monitor the fuel temperature of each branch line, and one-way valves 10 control the reverse flow of fuel in each branch line. The temperature sensors 9, 11, and 17, as well as the pressure sensor 15, transmit real-time monitored signals to a control unit 18. This control unit 18 controls the electronically controlled valves 4, thereby adjusting the fuel flow rates in each heating line and the bypass line, and thus controlling the fuel temperature.

[0110] Figure 6 is a system configuration diagram of a fuel temperature control method in a vehicle according to another embodiment of the present application, such as Figure 6 As shown, Figure 6 The components and functions included in the fuel temperature control system configuration diagram of the vehicle are similar to those in the Figure 3 The same as in , no further description is given here. Optionally, Figure 6 The four heating pipelines including the exhaust fuel heater 5 , the coolant fuel heater 6 , the engine oil fuel heater 7 , and the fuel electric heater 8 and a bypass pipeline 19 can be connected before the low-pressure oil pump 3 .

[0111] Figure 6When the fuel temperature control system in the illustrated vehicle is in operation, fuel is first drawn from the fuel tank 1 via the low-pressure fuel pump 3 through the low-pressure fuel pipe 2. This fuel is then pressurized by the high-pressure fuel pump 12 and delivered via the high-pressure fuel pipe 13 and high-pressure fuel rail 14 to the injector 16 for fuel injection. Simultaneously, four heating lines, namely the exhaust fuel heater 5, the coolant fuel heater 6, the engine oil fuel heater 7, and the electric fuel heater 8, and a bypass line 19 are connected before the low-pressure fuel pump 3. The flow rates of these lines are controlled by electronically controlled valves 4. A temperature sensor 9 monitors the fuel temperature of each branch line, and a one-way valve 10 controls the reverse flow of fuel in each branch line. The temperature sensors 9, 11, and 17, as well as the pressure sensor 15, transmit real-time monitored signals to a control unit 18. This control unit 18 controls the electronically controlled valve 4, thereby adjusting the fuel flow rates in each heating line and the bypass line, and thus controlling the fuel temperature.

[0112] Figure 7 This is a system configuration diagram of a fuel temperature control method in a vehicle according to another embodiment of the present application. The fuel temperature control system in the vehicle can be used in a low-pressure fuel injection system, such as Figure 7 As shown, Figure 7 The components included in the fuel temperature control system configuration diagram of the vehicle are Figure 3 Compared with the above, it does not include the high-pressure oil pump 12, high-pressure oil pipe 13, and temperature sensor 17. The other components and their functions are the same as those in the Figure 3 The same, no further description here.

[0113] Figure 7 When the fuel temperature control system in the vehicle shown is in operation, fuel is first drawn from the fuel tank 1 through the low-pressure fuel pipe 2 by the low-pressure fuel pump 3 and connected to four heating pipelines: the exhaust fuel heater 5, the coolant fuel heater 6, the engine oil fuel heater 7, and the fuel electric heater 8, and a bypass pipeline 19. The flow rate of each branch is controlled by the electronically controlled valve 4. The temperature sensor 9 monitors the fuel temperature of each branch. The check valve 10 controls the backflow of fuel in each branch. The temperature sensors 9, 11 and pressure sensor 15 transmit the real-time monitoring signals to the control unit 18, which controls the electronically controlled valve 4 to adjust the fuel flow rate of each heating pipeline and the bypass pipeline, thereby controlling the fuel temperature.

[0114] Through the description of the above implementation methods, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus the necessary general hardware platform, and of course it can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk), and includes a number of instructions for enabling a terminal device (which can be a mobile phone, computer, server, or network device, etc.) to execute the methods described in each embodiment of the present application.

[0115] This embodiment also provides a fuel temperature control device for a vehicle, which is used to implement the aforementioned embodiments and preferred implementations. Details already described will not be repeated. As used below, the terms "unit" and "module" may refer to a combination of software and / or hardware that implements a predetermined function. While the devices described in the following embodiments are preferably implemented using software, implementation using hardware, or a combination of software and hardware, is also possible and contemplated.

[0116] Figure 8 FIG. 1 is a structural block diagram of a fuel temperature control device in a vehicle according to one embodiment of the present application. Figure 8 As shown, a fuel temperature control device 800 in a vehicle is used as an example. The device includes: a monitoring module 801, which is used to monitor the fuel temperature of the vehicle in response to the operation of the vehicle's engine; and a control module 802, which is used to control the fuel temperature to be between a first threshold and a second threshold so that the fuel flashes.

[0117] Optionally, the control module 802 is further configured to open at least one heating pipeline in response to the fuel temperature being less than or equal to a first threshold, wherein the at least one heating pipeline includes at least one fuel heater configured to heat the fuel.

[0118] Optionally, the control module 802 is further configured to open a bypass line in response to the fuel temperature being greater than or equal to a second threshold, wherein the second threshold is greater than the first threshold, and the bypass line is configured to divert fuel flowing through at least one heating line.

[0119] Optionally, the control module 802 is further configured to adjust the valve opening of the first electrically controlled valve to open the first heating circuit, wherein the first heating circuit includes a first fuel heater; and in response to the fuel temperature being less than a second threshold, adjust the valve opening of the second electrically controlled valve to open the second heating circuit, wherein the second heating circuit includes a second fuel heater.

[0120] Optionally, the control module 802 is also used to adjust the valve opening of the first electronically controlled valve to a first opening to open the first heating pipeline; in response to the fuel temperature being less than a second threshold, the valve opening of the first electronically controlled valve is adjusted to a second opening, wherein the fuel flow corresponding to the second opening is greater than the fuel flow corresponding to the first opening.

[0121] Optionally, the control module 802 is further configured to adjust the valve opening of the third electronically controlled valve to a third opening to open the bypass line, wherein the third electronically controlled valve is configured to control the fuel flow in the bypass line; in response to the fuel temperature being less than the first threshold, adjusting the valve opening of the third electronically controlled valve to a fourth opening, wherein the fuel flow corresponding to the fourth opening is less than the fuel flow corresponding to the third opening.

[0122] Optionally, the at least one fuel heater includes at least one of the following: an exhaust fuel heater, a coolant fuel heater, an engine oil fuel heater, and an electric fuel heater.

[0123] It should be noted that the above-mentioned units and modules can be implemented through software or hardware. For the latter, it can be implemented in the following ways, but not limited to this: the above-mentioned units and modules are all located in the same processor; or the above-mentioned units and modules are located in different processors in any combination.

[0124] An embodiment of the present application also provides a vehicle, which is used to execute the steps in any of the above method embodiments.

[0125] Optionally, in this embodiment, the vehicle may be configured to store a computer program for performing the following steps:

[0126] Step S1, in response to the vehicle engine running, monitoring the fuel temperature of the vehicle;

[0127] Step S2: controlling the fuel temperature to be between a first threshold and a second threshold so as to cause the fuel to flash boil.

[0128] An embodiment of the present application further provides a computer-readable storage medium, in which a computer program is stored. The computer program is configured to execute the steps of any of the above method embodiments when running on a computer or a processor.

[0129] Optionally, in this embodiment, the computer-readable storage medium may be configured to store a computer program for performing the following steps:

[0130] Step S1, in response to the vehicle engine running, monitoring the fuel temperature of the vehicle;

[0131] Step S2: controlling the fuel temperature to be between a first threshold and a second threshold so as to cause the fuel to flash boil.

[0132] Optionally, in this embodiment, the above-mentioned computer-readable storage medium may include but is not limited to: a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk or an optical disk, and other media that can store computer programs.

[0133] An embodiment of the present application further provides an electronic device, comprising a memory and a processor, wherein a computer program is stored in the memory, and the processor is configured to run the computer program to execute the steps in any one of the above method embodiments.

[0134] Optionally, in this embodiment, the processor in the electronic device may be configured to run a computer program to perform the following steps:

[0135] Step S1, in response to the vehicle engine running, monitoring the fuel temperature of the vehicle;

[0136] Step S2: controlling the fuel temperature to be between a first threshold and a second threshold so as to cause the fuel to flash boil.

[0137] Optionally, specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation modes, and this embodiment will not be described in detail here.

[0138] The serial numbers of the above embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0139] In the above embodiments of the present application, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0140] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only exemplary. For example, the division of the units can be a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0141] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0142] In addition, the functional units in the various embodiments of the present application may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit. The aforementioned integrated units may be implemented in the form of hardware or software functional units.

[0143] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk or an optical disk.

[0144] The above is only a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A method for controlling fuel temperature in a vehicle, characterized in that: include: monitoring a fuel temperature of the vehicle in response to an engine of the vehicle being operated; controlling the fuel temperature to be between a first threshold and a second threshold so as to cause the fuel to flash boil; Wherein, controlling the fuel temperature to be between a first threshold and a second threshold comprises: in response to the fuel temperature being less than or equal to the first threshold, turning on at least one heating pipeline, wherein the at least one heating pipeline comprises at least one fuel heater, and the fuel heater is used to heat the fuel; Wherein, opening the at least one heating pipeline includes: adjusting the valve opening of the first electrically controlled valve to open the first heating pipeline, wherein the first heating pipeline includes a first fuel heater; in response to the fuel temperature being less than the second threshold, adjusting the valve opening of the second electrically controlled valve to open the second heating pipeline, wherein the second heating pipeline includes a second fuel heater.

2. The method according to claim 1, characterized in that The controlling the fuel temperature to be between a first threshold and a second threshold further comprises: In response to the fuel temperature being greater than or equal to the second threshold, the bypass line is opened, wherein the second threshold is greater than the first threshold, and the bypass line is used to divert the fuel flowing through the at least one heating line.

3. The method according to claim 1, characterized in that The adjusting the valve opening of the first electrically controlled valve to open the first heating pipeline includes: adjusting the valve opening of the first electronically controlled valve to a first opening, and opening the first heating pipeline; In response to the fuel temperature being less than the second threshold, the valve opening of the first electronically controlled valve is adjusted to a second opening, wherein a fuel flow corresponding to the second opening is greater than a fuel flow corresponding to the first opening.

4. The method according to claim 2, characterized in that The opening of the bypass line comprises: adjusting the valve opening of the third electronically controlled valve to a third opening to open the bypass line, wherein the third electronically controlled valve is used to control the fuel flow in the bypass line; In response to the fuel temperature being less than the first threshold, the valve opening of the third electronically controlled valve is adjusted to a fourth opening, wherein a fuel flow corresponding to the fourth opening is less than a fuel flow corresponding to the third opening.

5. The method according to claim 1, wherein The at least one fuel heater includes at least one of the following: an exhaust fuel heater, a coolant fuel heater, an engine oil fuel heater, and an electric fuel heater.

6. A fuel temperature control device in a vehicle, characterized in that: include: a monitoring module configured to monitor a fuel temperature of the vehicle in response to an engine of the vehicle running; a control module, the control module being configured to control the fuel temperature to be between a first threshold and a second threshold so as to cause the fuel to flash boil; The control module is further configured to: in response to the fuel temperature being less than or equal to the first threshold, turn on at least one heating pipeline, wherein the at least one heating pipeline includes at least one fuel heater, and the fuel heater is configured to heat the fuel; The control module is further configured to: adjust the valve opening of the first electrically controlled valve to open the first heating circuit, wherein the first heating circuit includes a first fuel heater; and in response to the fuel temperature being less than the second threshold, adjust the valve opening of the second electrically controlled valve to open the second heating circuit, wherein the second heating circuit includes a second fuel heater.

7. A vehicle, characterized in that: The vehicle is used to execute the fuel temperature control method in a vehicle as described in any one of claims 1 to 5.

8. An electronic device comprising a memory and a processor, characterized in that: The memory stores a computer program, and the processor is configured to run the computer program to execute the fuel temperature control method in a vehicle as claimed in any one of claims 1 to 5.

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