Control method, system, vehicle, storage medium and program for a turbo heat system

Abstract

The application relates to the technical field of vehicles, in particular to a control method and system of a crank heating system, a medium and a program, wherein the method comprises the following steps: acquiring a crank heating current of the crank heating system within a preset time length; identifying a target fault of the crank heating system according to the crank heating current within the preset time length; and controlling the crank heating system to perform a fault protection action according to the target fault. Therefore, the problems that, in the related art, the crank heating is provided with power in a mode that a contact relay is combined with a fuse, the fuse cannot be timely fused when an overcurrent phenomenon occurs, the relay is damaged, the use of the vehicle is affected, the safety and reliability of the vehicle are low, and the user experience is poor, and the like, are solved.

Description

Technical Field

[0001] This application relates to the field of vehicle technology, and in particular to a control method, system, vehicle, storage medium, and program for a curved heating system. Background Technology

[0002] In traditional car engines, when the ambient temperature is low, the viscosity of the lubricating oil increases and the fuel evaporation rate decreases, which can make starting the engine difficult, leading to difficulty in ignition and maintaining stable combustion. To solve this problem, the crankcase heating system can utilize the engine's own heat to preheat internal engine components and lubricating oil by guiding hot gases to circulate in the crankcase, thereby improving low-temperature starting performance.

[0003] In related technologies, gasoline and hybrid vehicles commonly use a combination of contact relays and fuses to provide power for the curved heating system. However, this control method has certain limitations, especially in the event of transient overcurrent, where its irreversibility reduces system reliability.

[0004] However, using a fast-blow fuse to protect the circuit has the following problems in practice: the relay may burn out due to overheating before the fuse blows; or, the overcurrent event may be too short to trigger the fuse's protection mechanism, but it may still damage the relay, causing inconvenience to vehicle users and even requiring towing to a repair shop for troubleshooting, thus affecting user experience. Summary of the Invention

[0005] This application provides a control method, system, vehicle, storage medium, and program for a curved heating system to solve the problems in related technologies where power is supplied to the curved heating system using a combination of contact relays and fuses. In such cases, when an overcurrent occurs, the fuse cannot be blown in time, leading to relay damage, which affects vehicle use, resulting in low vehicle safety and reliability, and a poor user experience.

[0006] The first aspect of this application provides a control method for a curved heating system, comprising the following steps: acquiring the curved heating current of the curved heating system within a preset time period; identifying a target fault of the curved heating system based on the curved heating current within the preset time period; and controlling the curved heating system to perform fault protection actions based on the target fault.

[0007] Optionally, the target fault includes overcurrent faults and open-circuit faults.

[0008] Optionally, identifying the target fault of the through heating system based on the through heating current within the preset time period includes: identifying at least one peak current of the through heating current within the preset time period; calculating the current difference between each peak current and a reference current, and performing an integral operation on each current difference to obtain a diagnostic current; if the diagnostic current is greater than a first diagnostic threshold, the target fault is an overcurrent fault; if the diagnostic current is less than a second diagnostic threshold, the target fault is an open circuit fault, wherein the first diagnostic threshold is greater than the second diagnostic threshold.

[0009] Optionally, before calculating the current difference between each peak current and the reference current, the method further includes: identifying the initial peak current of the through heating current at the current ambient temperature; and using the initial peak current as the reference current.

[0010] Optionally, controlling the through heating system to perform fault protection actions based on the target fault includes: if the target fault is an overcurrent fault, disconnecting the connection between the through heating control drive circuit and the through heating system; if the target fault is an open circuit fault, controlling the through heating function of the through heating system to be turned off.

[0011] Optionally, before acquiring the bending heating current of the bending heating system within a preset time period, the method further includes: identifying the engine operating time, engine coolant temperature, and the current ambient temperature of the vehicle; if the engine operating time is greater than a first threshold and the engine coolant temperature is less than a first preset temperature and the ambient temperature is less than a second preset temperature, and the bending heating system is in normal condition, then the bending heating function of the bending heating system is turned on; otherwise, the bending heating function of the bending heating system is turned off.

[0012] A second aspect of this application provides a control system for a curved heating system, comprising: a curved heating system for performing curved heating operations in response to control commands and performing fault protection actions when a target fault is detected; an engine control unit for controlling the opening and closing of the curved heating function of the curved heating system according to the curved heating control enable conditions; a domain controller for collecting engine operating status information and the current ambient temperature information of the vehicle, uploading the engine operating status information and the current ambient temperature information of the vehicle to the vehicle controller, and controlling the power distribution of the curved heating function of the curved heating system in the engine control unit according to control commands; and a vehicle controller for determining whether the curved heating control enable conditions are met according to the engine operating status information and the current ambient temperature information of the vehicle, and issuing corresponding control commands to the engine control unit.

[0013] A third aspect of this application provides a vehicle comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the control method of the through heating system as described in the above embodiments.

[0014] A fourth aspect of this application provides a computer-readable storage medium having a computer program stored thereon, which is executed by a processor to implement the control method of the torsion heating system as described in the above embodiments.

[0015] A fifth aspect of this application provides a computer program product, including a computer program that, when executed, is used to implement a control method for a torsion heating system as described in the above embodiments.

[0016] Therefore, this application has at least the following beneficial effects:

[0017] (1) According to the embodiments of this application, the target fault of the through heating system can be identified based on the through heating current within a preset time period, and the through heating system can be controlled to perform fault protection actions based on the target fault, thereby protecting the engine-related components in a timely manner, improving safety and reliability, and enhancing the user experience.

[0018] (2) In this embodiment, the power distribution and control of the crankshaft heating system in the engine control unit is performed by the domain controller. When an abnormal current is detected, the crankshaft heating control drive circuit can be automatically disconnected or the crankshaft heating function can be turned off, thereby improving the safety of the vehicle. It can also automatically control the opening and closing of the crankshaft heating function under normal operating conditions, which has high applicability and improves the overall reliability and maintenance convenience of the system.

[0019] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein:

[0021] Figure 1 This is a flowchart of a control method for a curved heating system according to an embodiment of this application;

[0022] Figure 2 This is a characteristic diagram of the through heating current provided according to an embodiment of this application;

[0023] Figure 3 This is a flowchart of a control method for a torsion heating system according to an embodiment of this application;

[0024] Figure 4 This is a block diagram of the control system of the through heating system provided according to an embodiment of this application;

[0025] Figure 5 This is a schematic diagram of the control system of the through heating system provided according to an embodiment of this application;

[0026] Figure 6 This is a structural schematic diagram of a vehicle according to an embodiment of this application. Detailed Implementation

[0027] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0028] Typically, designers protect circuits using fast-blow fuses, but in practice, this protection is often ineffective. A common problem is that the relay burns out due to overheating before the fuse can blow. Furthermore, some overcurrent events are only transient and insufficient to trigger the fuse's protection mechanism, but they can still damage the relay, causing inconvenience to vehicle users and even requiring towing to a repair shop for troubleshooting.

[0029] Besides issues arising during vehicle use, relays themselves also exhibit several common failure modes, including: 1. Contact problems: Relay contacts are crucial components for switching loads. Loose or cracked contacts, excessive dimensional deviations, and improper fit between the spring and the contacts can all lead to contact loosening, thus affecting the relay's reliability; 2. Poor environmental tolerance: Relays are less resistant to mechanical vibration and shock in high and low temperature environments, making them prone to damage; 3. Coil failure: Loose windings can increase magnetic losses, causing unstable relay engagement.

[0030] To address these issues, a domain controller-based through-hole heating control system replaces the traditional relay and fuse combination with an advanced regional electronic control unit, achieving precise control of through-hole heating. The advantages of a domain controller include: 1. Control flexibility: The main control ECU can adjust the heating strategy based on real-time data from sensors to adapt to different operating conditions and environmental conditions; 2. Fault detection and diagnosis: The domain controller can monitor the circuit status in real time, and once an anomaly is detected, it can immediately take measures and report fault information to the driver; 3. Repairability: Compared with traditional relays, the domain controller can be repaired through software updates or parameter adjustments when a fault occurs, without the need to replace hardware; 4. Energy consumption monitoring: The domain controller can monitor energy consumption during the through-hole heating process, ensuring maximum energy efficiency.

[0031] Secondly, in traditional car engines, when the ambient temperature is low, the viscosity of the lubricating oil increases, and the fuel evaporation rate decreases, which may make engine starting difficult, leading to difficulty in ignition and maintaining stable combustion. To solve this problem, a crankcase heating system can utilize the engine's own heat to preheat internal engine components and lubricating oil by guiding hot gases to circulate in the crankcase, thereby improving low-temperature starting performance. However, this brings another challenge – crankcase ventilation pipe icing, mainly due to the following reasons:

[0032] 1) Water vapor condensation: When the engine is running, it produces hot air containing water vapor. When this hot air is discharged through the crankcase ventilation pipe, if the pipe is in a low-temperature area, the water vapor will condense into water droplets. Because the airflow velocity inside the pipe is not high, the water droplets are not easily carried away, so they will gradually accumulate in the pipe.

[0033] 2) Hot and cold air collision: The interface between the crankcase ventilation pipe and the air filter clean pipe is where hot and cold air meet. The temperature here is usually lower, making water vapor condense more easily. The structural complexity of the interface, such as steps and burrs, may also hinder the flow of condensate, leading to icing.

[0034] 3) Low intake manifold airflow temperature: When the mixed gas released by the PCV valve passes through the intersection of the crankcase ventilation pipe and the intake manifold, the water vapor in it will cool down and liquefy rapidly, and then freeze into ice. This may cause the crankcase ventilation pipe to be blocked, affecting the normal ventilation of the engine.

[0035] With the continuous evolution of automotive electronics technology, the control of the crankshaft heating process in the engine management system has been upgraded from the traditional relay power supply method to a more efficient and safer domain control architecture. This innovative control strategy effectively solves a number of problems existing in the relay power supply process, such as the irreversibility of overcurrent burnout, reliability issues in harsh environments, poor shock resistance at high and low temperatures, and unstable engagement.

[0036] The domain controller architecture reduces reliance on traditional through-type heating relays, which not only lowers overall vehicle costs but also simplifies system complexity. Furthermore, the high integration of the domain controller effectively reduces the number of components, improving overall system reliability and ease of maintenance.

[0037] The core of this application lies in dynamically adjusting the through heating process by monitoring engine and ambient temperatures, calculating the optimal heating strategy based on real-time data, and taking into account factors such as engine temperature, environmental conditions, engine operating status, and diagnostic data to ensure an efficient and safe heating process, while also enhancing the reliability and durability of the engine under different operating conditions.

[0038] The control method, system, vehicle, storage medium, and program of the curved heating system according to embodiments of this application are described below with reference to the accompanying drawings. Specifically, Figure 1 This is a flowchart illustrating a control method for a through heating system provided in an embodiment of this application.

[0039] like Figure 1 As shown, the control method of this curved heating system includes the following steps:

[0040] In step S101, the bending heating current of the bending heating system within a preset time period is obtained.

[0041] The preset duration can be determined by the diagnostic window and can be set according to actual needs without specific limitations.

[0042] It is understood that the embodiments of this application can obtain the through heating current of the through heating system within a preset time period, so as to identify the target fault of the through heating system based on the through heating current within the preset time period.

[0043] In this embodiment of the application, before obtaining the bending heating current of the bending heating system within a preset time, the method further includes: identifying the engine operating time, engine coolant temperature, and the current ambient temperature of the vehicle; if the engine operating time is greater than a first threshold and the engine coolant temperature is less than a first preset temperature and the ambient temperature is less than a second preset temperature and the bending heating system is in normal condition, then the bending heating function of the bending heating system is turned on; otherwise, the bending heating function of the bending heating system is turned off.

[0044] The first threshold can be 1 hour or 30 minutes, the first preset temperature can be 100℃, and the second preset temperature can be 30℃. These can be set according to actual needs without specific limitations.

[0045] It is understood that in this embodiment of the application, when the engine operating time is greater than the first threshold, the engine coolant temperature is less than the first preset temperature, the ambient temperature is less than the second preset temperature, and the through heating system is in normal condition, the through heating function of the through heating system is turned on. If any one of these conditions is not met, the through heating function of the through heating system is turned off, so as to ensure efficient and safe heating and enhance the reliability and durability of the engine under different operating conditions.

[0046] In step S102, the target fault of the curved heating system is identified based on the curved heating current within a preset time period.

[0047] The target faults include overcurrent faults and open circuit faults.

[0048] It is understood that the embodiments of this application can identify the target fault of the through heating system based on the through heating current within a preset time period, so as to control the through heating system to perform fault protection actions based on the target fault.

[0049] In the embodiments of this application, such as Figure 2 As shown, identifying the target fault of the through heating system based on the through heating current within a preset time period includes: identifying at least one peak current based on the through heating current within the preset time period; calculating the current difference between each peak current and a reference current, and performing an integral operation on each current difference to obtain a diagnostic current; if the diagnostic current is greater than a first diagnostic threshold, the target fault is an overcurrent fault; if the diagnostic current is less than a second diagnostic threshold, the target fault is an open circuit fault, wherein the first diagnostic threshold is greater than the second diagnostic threshold.

[0050] The first and second diagnostic thresholds can both be set according to the actual situation, without specific limitations.

[0051] It is understood that the embodiments of this application can calculate the current difference between each peak current of the through heating current within a preset time period and the reference current, and perform time integration on each current difference to obtain the diagnostic current; if the diagnostic current is greater than the diagnostic threshold, the target fault is an overcurrent fault; if the diagnostic current is less than the diagnostic threshold, the target fault is an open circuit fault, thereby improving the accuracy of fault identification.

[0052] Specifically, the domain controller determines the fault of the through heating system: after the through heating enable condition is met and the system starts working, it enters the current integration monitoring stage. The peak current ΔIr1 is obtained by subtracting the initial temperature signal Ir0 from the real-time peak current Ir1. The integral ΔIr1_IN of the peak current ΔIr1 throughout the entire process is obtained by integration calculation within the diagnostic window. If it exceeds the diagnostic threshold, it is judged as an overcurrent fault; if it is below the diagnostic threshold, it is judged as an open circuit fault. The fault status is fed back to the engine control unit. In the case of an overcurrent fault, the through heating control is immediately cut off until it is re-judged as normal in the next driving cycle and then restored.

[0053] In this embodiment of the application, before calculating the current difference between each peak current and the reference current, the method further includes: identifying the initial peak current of the through heating current at the current ambient temperature; and using the initial peak current as the reference current.

[0054] It is understood that the embodiments of this application can identify the initial peak current of the through heating current at the current temperature; and use the initial peak current as a reference current so as to identify the target fault of the through heating system based on each peak current and the initial peak current of the through heating current within a preset time period.

[0055] In step S103, the control system of the target fault executes a fault protection action.

[0056] It is understood that the embodiments of this application can control the through heating system to perform fault protection actions according to the target fault, thereby protecting the relevant engine components in a timely manner, improving safety and reliability, and enhancing the user experience.

[0057] In this embodiment, if the target fault is an overcurrent fault, the connection between the through heating control drive circuit and the through heating system is cut off; if the target fault is an open circuit fault, the through heating function of the through heating system is turned off.

[0058] It is understood that in this embodiment of the application, if the target fault is an overcurrent fault, the connection between the turnaround heating control drive circuit and the turnaround heating system is cut off; if the target fault is an open circuit fault, the turnaround heating function of the turnaround heating system is turned off, which improves the reliability and efficiency of the engine management system and provides vehicle users with a safer and more convenient driving experience.

[0059] According to the control method of the through heating system proposed in the embodiments of this application, the target fault of the through heating system is identified based on the through heating current within a preset time period, and the through heating system is controlled to perform fault protection actions based on the target fault, thereby protecting the relevant engine components in a timely manner, improving safety and reliability, and enhancing the user experience.

[0060] The following will combine Figure 3 The control method of the curved heating system of this application is described in detail, and the specific steps are as follows:

[0061] Step 1) Begin by powering on the KL15 hard wire for activation.

[0062] The system uses a 12V normal power supply, with an on-state voltage of no less than 4.1V and an off-state voltage of no more than 1.7V.

[0063] Step 2) Initialize the engine control unit and domain controller.

[0064] Step 3) The engine control unit requests power from the domain controller, and the domain controller performs power distribution to the relevant sensors and actuators.

[0065] Step 4) The central controller requests the engine to start.

[0066] Step 5) If step 4) is met, the engine control unit determines whether the engine start time condition is met. If not, it returns to the initialization control.

[0067] Step 6) If step 5) is satisfied, the engine control unit determines whether the engine coolant temperature condition is met. If not, it returns to the initialization control.

[0068] Step 7) If step 6) is satisfied, the engine control unit determines whether the ambient temperature condition is met. If not, it returns to the initialization control.

[0069] Step 8) If steps 4), 5), 6), and 7) are satisfied, then the traverse heating is activated.

[0070] Step 9) If Step 8 is satisfied, when the duct heating control is activated, and the engine speed is below a certain value, then the engine control unit will turn off the duct heating control.

[0071] Step 10) If step 8 is satisfied, and the engine operating time is below a certain value when the duct heating control is activated, then the engine control unit will turn off the duct heating control.

[0072] Step 11) If step 8 is satisfied, when the duct heating control is activated, and the engine coolant temperature is below a certain value, then the engine control unit will turn off the duct heating control.

[0073] Step 12) If step 8 is satisfied, when the ambient temperature is greater than a certain value when the through heating control is activated, the engine control unit will turn off the through heating control.

[0074] Step 13) If step 8) is satisfied, the ZCU (Zone Control Unit) uses AD (Analog-to-Digital) sampling to determine whether there is an open circuit or overcurrent fault in the through heating electrical load circuit. If a fault exists, the fault code is reported to the engine control unit, and the engine control unit shuts down the through heating control. At the same time, if the fault is an overcurrent fault, the ZCU cuts off the through heating control drive circuit.

[0075] Specifically, the domain controller determines the fault of the through heating system: after the through heating enable condition is met and the system starts working, it enters the current integration monitoring stage. The peak current ΔIr1 is obtained by subtracting the initial temperature signal Ir0 from the real-time peak current Ir1. The integral ΔIr1_IN of the peak current ΔIr1 throughout the entire process is obtained by integration calculation within the diagnostic window. If it exceeds the diagnostic threshold, it is judged as an overcurrent fault; if it is below the diagnostic threshold, it is judged as an open circuit fault. The fault status is fed back to the engine control unit. In the case of an overcurrent fault, the through heating control is immediately cut off until it is re-judged as normal in the next driving cycle and then restored.

[0076] In summary, this application uses a domain controller to control the through heating process in the automotive engine management system. By replacing the traditional relay and fuse structure with a high-precision electronic control unit, this invention improves system reliability and optimizes the energy management efficiency of the entire vehicle.

[0077] By introducing a domain controller, the reliance on fuses in the through-circuit heating circuit is reduced. The domain controller can monitor and regulate the current in real time to prevent overcurrent faults and automatically disconnect the circuit when an anomaly is detected, thereby protecting the engine and other critical components. The highly integrated design of the domain controller simplifies the structure of the engine management system, reduces the number of parts, lowers costs, and improves the ease of maintenance. Through flexible control of the through-circuit heating, faults can be detected and repaired, and power consumption can be monitored and managed, reducing the cost of relays and fuses.

[0078] Next, the control system of the through heating system proposed according to the embodiments of this application is described with reference to the accompanying drawings.

[0079] Figure 4 This is a block diagram of the control system of the through heating system according to an embodiment of this application.

[0080] like Figure 4 and Figure 5 As shown, the control system 10 of the through heating system includes: through heating system 100, engine control unit 200, domain controller 300 and vehicle controller 400.

[0081] The system includes a curved heating system 100 that responds to control commands to perform curved heating operations and performs fault protection actions when a target fault is detected; an engine control unit 200 that controls the opening and closing of the curved heating function of the curved heating system according to the curved heating control enable conditions; a domain controller 300 that collects engine operating status information and the current ambient temperature information of the vehicle, uploads the engine operating status information and the current ambient temperature information of the vehicle to the vehicle controller, and controls the power distribution of the curved heating function of the curved heating system in the engine control unit according to control commands; and a vehicle controller 400 that determines whether the curved heating control enable conditions are met based on the engine operating status information and the current ambient temperature information of the vehicle, and sends corresponding control commands to the engine control unit.

[0082] It is understood that in this embodiment, the domain controller is mainly used to monitor and adjust the current in real time to prevent overcurrent faults. It can also automatically disconnect the circuit when an abnormality is detected, thereby protecting the engine and other critical components. This simplifies the structure of the engine management system, reduces the number of parts, lowers costs, and improves the convenience of maintenance.

[0083] According to the control system of the through heating system proposed in the embodiments of this application, the domain controller can monitor and adjust the current in real time to prevent overcurrent faults, and can automatically disconnect the circuit when an abnormality is detected, thereby protecting the engine and other key components, simplifying the structure of the engine management system, reducing the number of parts, reducing costs, and improving the convenience of maintenance.

[0084] Figure 6 A schematic diagram of the structure of a vehicle provided in an embodiment of this application. The vehicle may include:

[0085] The memory 601, the processor 602, and the computer program stored on the memory 601 and capable of running on the processor 602.

[0086] When the processor 602 executes the program, it implements the control method of the through heating system provided in the above embodiments.

[0087] Furthermore, the vehicle also includes:

[0088] Communication interface 603 is used for communication between memory 601 and processor 602.

[0089] The memory 601 is used to store computer programs that can run on the processor 602.

[0090] The memory 601 may include high-speed RAM (Random Access Memory) memory, and may also include non-volatile memory, such as at least one disk storage.

[0091] If the memory 601, processor 602, and communication interface 603 are implemented independently, then the communication interface 603, memory 601, and processor 602 can be interconnected via a bus to complete communication between them. The bus can be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, or an EISA (Extended Industry Standard Architecture) bus, etc. The bus can be divided into address bus, data bus, control bus, etc. For ease of representation, Figure 6 The bus is represented by a single thick line, but this does not mean that there is only one bus or one type of bus.

[0092] Optionally, in a specific implementation, if the memory 601, processor 602, and communication interface 603 are integrated on a single chip, then the memory 601, processor 602, and communication interface 603 can communicate with each other through an internal interface.

[0093] The processor 602 may be a CPU (Central Processing Unit), an ASIC (Application Specific Integrated Circuit), or one or more integrated circuits configured to implement the embodiments of this application.

[0094] This application also provides a computer-readable storage medium storing a computer program thereon, which, when executed by a processor, implements the control method of the above-described through-heating system.

[0095] This application also provides a computer program product, which, when executed, is used to implement the control method of the through heating system as described in the above embodiments.

[0096] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0097] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "N" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0098] Any process or method described in the flowchart or otherwise herein can be understood as representing a module, segment, or portion of code comprising one or N executable instructions for implementing custom logic functions or processes, and the scope of the preferred embodiments of this application includes additional implementations in which functions may be performed not in the order shown or discussed, including substantially simultaneously or in reverse order depending on the functions involved, as should be understood by those skilled in the art to which embodiments of this application pertain.

[0099] It should be understood that the various parts of this application can be implemented using hardware, software, firmware, or a combination thereof. In the above embodiments, the N steps or methods can be implemented using software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, it can be implemented using any one or more of the following techniques known in the art: discrete logic circuits having logic gates for implementing logical functions on data signals, application-specific integrated circuits (ASICs) having suitable combinational logic gates, programmable gate arrays (FPGAs), field-programmable gate arrays (FPGAs), etc.

[0100] Those skilled in the art will understand that all or part of the steps of the methods in the above embodiments can be implemented by a program instructing related hardware. The program can be stored in a computer-readable storage medium, and when executed, the program includes one or a combination of the steps of the method embodiments.

[0101] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A control method for a curved heating system, characterized in that, include: Obtain the bending heating current of the bending heating system within a preset time period; The target fault of the curved heating system is identified based on the curved heating current within the preset time period, wherein the target fault includes overcurrent fault and open circuit fault; Controlling the through heating system to perform fault protection actions according to the target fault includes: if the target fault is an overcurrent fault, disconnecting the connection between the through heating control drive circuit and the through heating system; if the target fault is an open circuit fault, shutting down the through heating function of the through heating system.

2. The control method for the curved heating system according to claim 1, characterized in that, The step of identifying the target fault of the bend-through heating system based on the bend-through heating current within the preset time period includes: Identify at least one peak current of the through heating current within the preset time period; Calculate the current difference between each peak current and the reference current, and perform an integral operation on each current difference to obtain the diagnostic current; If the diagnostic current is greater than the first diagnostic threshold, the target fault is an overcurrent fault; if the diagnostic current is less than the second diagnostic threshold, the target fault is an open circuit fault, wherein the first diagnostic threshold is greater than the second diagnostic threshold.

3. The control method for the curved heating system according to claim 2, characterized in that, Before calculating the current difference between each peak current and the reference current, the following steps are also included: Identify the initial peak current of the through heating current at the current ambient temperature; The initial peak current is used as the reference current.

4. The control method for the curved heating system according to claim 1, characterized in that, Before obtaining the bending heating current of the bending heating system within a preset time period, the following steps are also included: Identify engine operating time, engine coolant temperature, and the current ambient temperature of the vehicle; If the engine operating time exceeds the first threshold, the engine coolant temperature is lower than the first preset temperature, the ambient temperature is lower than the second preset temperature, and the through heating system is in normal condition, then the through heating function of the through heating system is turned on; otherwise, the through heating function of the through heating system is turned off.

5. A control system for a curved heating system, characterized in that, include: A through-flow heating system is used to perform through-flow heating operations in response to control commands, and to perform fault protection actions when a target fault is detected, wherein the target fault includes overcurrent fault and open circuit fault; An engine control unit is used to control the activation and deactivation of the bending heating function of the bending heating system according to the bending heating control enable condition. The control of the bending heating system to perform fault protection actions according to the target fault includes: if the target fault is an overcurrent fault, disconnecting the bending heating control drive circuit from the bending heating system; if the target fault is an open circuit fault, deactivating the bending heating function of the bending heating system. The domain controller is used to collect engine operating status information and the current ambient temperature information of the vehicle, and upload the engine operating status information and the current ambient temperature information of the vehicle to the vehicle controller, and control the power distribution of the through heating function of the through heating system in the engine control unit according to the control command. The vehicle controller is used to determine whether the conditions for enabling the ignition heating control are met based on the engine operating status information and the current ambient temperature information of the vehicle, and to issue corresponding control commands to the engine control unit.

6. A vehicle, characterized in that, include: A memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the program to implement the control method for the torsion heating system as described in any one of claims 1-4.

7. A computer-readable storage medium having a computer program stored thereon, characterized in that, The program is executed by the processor to implement the control method of the through heating system as described in any one of claims 1-4.

8. A computer program product, comprising a computer program, characterized in that, When the computer program is executed, it is used to implement the control method of the torsion heating system according to any one of claims 1-4.

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