Vehicle-mounted controller power supply abnormity detection method, device and equipment and storage medium

Abstract

The invention relates to the field of vehicle control, and discloses a vehicle-mounted controller power supply abnormity detection method, device and equipment and a storage medium, and the method comprises the steps: obtaining a first power supply abnormity signal sent by a function controller after the function controller is awakened; acquiring a second power supply abnormal signal generated by the regional controller during power distribution; acquiring a third power supply abnormal signal generated by the function controller during power utilization; and determining a power supply abnormal condition of the vehicle-mounted controller according to the first power supply abnormal signal, the second power supply abnormal signal and the third power supply abnormal signal. According to the method, three different types of power supply abnormal signals are detected, and the stability and safety of power supply abnormal detection of the vehicle-mounted intelligent power distribution system are greatly improved.

Description

Technical Field

[0001] The present invention relates to the field of vehicle control, and in particular to a method, device, computer equipment and storage medium for detecting abnormal power supply of a vehicle-mounted controller. Background Art

[0002] With the rapid development of new energy vehicles, the functions of vehicles are becoming more and more complex, and the electronic and electrical architecture of the whole vehicle is undergoing an evolution from distributed to central computing. In this context, the on-board intelligent power distribution system came into being to solve the problems of complex wiring, long wiring harnesses, high costs, and extensive control in traditional power distribution methods. The power distribution system realizes precise control of the on-board controller and related power-consuming equipment through the regional controller, and can adjust the power distribution status in real time according to different functional requirements, thereby optimizing the energy consumption of the low-voltage power consumption of the whole vehicle and supporting more diverse usage scenarios.

[0003] However, after the widespread use of the on-board intelligent power distribution system with the regional controller as the core, its reliability problems gradually emerged. In particular, when the regional controller has power supply anomalies or fault detection fails, the existing on-board fault management system (OBD) and users may not be able to obtain fault prompts in time, which may cause other key power-consuming components to fail to work properly and even affect driving safety.

[0004] Therefore, there is an urgent need for an effective method for detecting power supply anomalies of vehicle-mounted controllers to improve the stability and safety of the vehicle-mounted intelligent power distribution system. Summary of the invention

[0005] Based on this, it is necessary to provide a method, device, computer equipment and storage medium for detecting power supply anomalies of a vehicle-mounted controller in response to the above-mentioned technical problems, so as to improve the stability and safety of the vehicle-mounted intelligent power distribution system.

[0006] A method for detecting abnormal power supply of a vehicle controller, comprising:

[0007] Acquire a first power supply abnormality signal sent by the function controller after being awakened;

[0008] Acquire a second power supply abnormality signal generated by the regional controller during power distribution;

[0009] Acquire a third power supply abnormality signal generated by the function controller when using electricity;

[0010] The power supply abnormality condition of the vehicle controller is determined according to the first power supply abnormality signal, the second power supply abnormality signal and the third power supply abnormality signal.

[0011] A vehicle-mounted controller power supply abnormality detection device, comprising:

[0012] A first abnormal signal acquisition module, used to acquire a first power supply abnormal signal sent by the function controller after waking up;

[0013] A second abnormal signal acquisition module, used to acquire a second power supply abnormal signal generated by the regional controller during power distribution;

[0014] A third abnormal signal acquisition module, used to acquire a third power supply abnormal signal generated by the function controller when using electricity;

[0015] The abnormal condition determination module is used to determine the abnormal power supply condition of the vehicle controller according to the first abnormal power supply signal, the second abnormal power supply signal and the third abnormal power supply signal.

[0016] A computer device comprises a memory, a processor and computer-readable instructions stored in the memory and executable on the processor, wherein the processor implements the above-mentioned vehicle-mounted controller power supply anomaly detection method when executing the computer-readable instructions.

[0017] One or more readable storage media storing computer-readable instructions, wherein when the computer-readable instructions are executed by one or more processors, the one or more processors execute the above-mentioned vehicle controller power supply abnormality detection method.

[0018] The above-mentioned vehicle-mounted controller power supply anomaly detection method, device, computer equipment and storage medium greatly improve the stability and safety of power supply anomaly detection of the vehicle-mounted intelligent power distribution system by detecting three different types of power supply anomaly signals. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0020] Figure 1 It is a flow chart of a method for detecting abnormal power supply of a vehicle controller in one embodiment of the present invention;

[0021] Figure 2 It is a structural schematic diagram of a vehicle-mounted controller power supply anomaly detection device in one embodiment of the present invention;

[0022] Figure 3 is a schematic diagram of a computer device in one embodiment of the present invention. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] In one embodiment, if Figure 1 As shown, a method for detecting abnormal power supply of a vehicle controller is provided, which includes the following steps S10-S40.

[0025] S10: Acquire a first power supply abnormality signal sent by the function controller after waking up.

[0026] Understandably, the function controller refers to an electronic control unit installed in the car for controlling a specific function or system, such as EMS (engine management system), DCU (drive control unit), GCU (gearbox control unit), CCU (charging control unit), etc. After waking up, if the function controller detects abnormal information, it sends a first power supply abnormality signal to the bus. Here, the first power supply abnormality signal belongs to the normal power supply signal.

[0027] Optionally, step S10, i.e., obtaining a first power supply abnormality signal sent by the function controller after waking up, includes:

[0028] S101, when a wake-up event is detected, waking up the main chip of the function controller; the wake-up event includes a network wake-up event or a local wake-up event;

[0029] S102, checking whether the abnormal power-off flag is abnormal through the main chip;

[0030] S103: If the abnormal power-off flag is abnormal, the first power supply abnormality signal is issued.

[0031] Understandably, when the function controller detects a wake-up event, the main chip is awakened to execute the main program function. If the function controller does not detect a wake-up event, the main chip is not awakened. While executing the main program function, the main chip checks whether the abnormal power-off flag is abnormal. The power-off flag is a flag used to mark whether the function controller is abnormally powered off. After the main program works normally, check whether the abnormal power-off flag is abnormal. If the abnormal power-off flag is TRUE, it is determined that the function controller has abnormal power-off in the previous power-on cycle. In other words, the normal power supply of the function controller is disconnected in advance before the main program ends normally. At this time, a first power supply abnormality signal can be sent to the bus. If the abnormal power-off flag is FALSE, it means that the main program ends normally in the previous power-on cycle and the power supply is normal. The main program modifies the abnormal power-off flag to TRUE for the next cycle of normal power supply detection. When the abnormal power-off flag is FALSE, the first power supply abnormality signal is not sent. It should be noted that here, the abnormal power-off flag is stored using a non-volatile memory to ensure that the function controller correctly reads the value of the abnormal power-off flag.

[0032] This embodiment solves the problem that the function controller cannot detect abnormal power supply failure after power is turned off by checking the abnormal power off flag bit.

[0033] S20. Acquire a second power supply abnormality signal generated by the regional controller during power distribution.

[0034] It can be understood that the regional controller is a type of vehicle-mounted controller, which is used to manage and control multiple subsystems and functions in a specific area of ​​the vehicle. In a car, the regional controller is used to control one or more sub-controllers and distribute power to the circuits where each sub-controller is located. The sub-controller belongs to the vehicle-mounted controller and can be a single component used to control the area controlled by the regional controller. In one example, the regional controller is used to control lighting, and a sub-controller can be used to control a headlight in the lighting system, such as the left front headlight. The sub-controller can be a functional controller. After power distribution, the regional controller will detect the power feedback information of each circuit, if the power feedback information. If the power feedback information, a second power supply abnormality signal is generated.

[0035] Optionally, step S20, i.e., obtaining a first power supply abnormality signal sent by the function controller after waking up, includes:

[0036] S201, receiving a power distribution request signal sent by a sub-controller;

[0037] S202, performing a power distribution operation according to the power distribution request signal;

[0038] S203, obtaining power feedback information of the power distribution operation;

[0039] S204: Determine the second power supply abnormality signal according to the power feedback information.

[0040] Understandably, the regional controller can receive the power distribution request signal sent by each sub-controller in the region, and perform corresponding power distribution operations, such as turning on or off, according to the power distribution request signal. In some examples, the response time of the regional controller to perform the power distribution operation is no more than the preset response time, such as 10ms. The response time is no more than the preset response time, which can avoid the impact of large delays on the normal operation of the sub-controller function. The power feedback information can be voltage or current. When the power feedback information is abnormal, the regional controller generates a second power supply abnormality signal and sends it to the bus.

[0041] This embodiment performs power supply anomaly detection based on the power consumption side, and can detect abnormal power supply conditions of the sub-controller in real time.

[0042] Optionally, step S204, i.e., determining the second power supply abnormality signal according to the power feedback information, includes:

[0043] S2041, determining whether the power feedback information exceeds a preset power threshold; the power feedback information includes current and / or voltage;

[0044] S2042: If the power feedback information exceeds the preset power threshold, monitor the duration of the power feedback information exceeding the preset power threshold;

[0045] S2043: If the duration is longer than a preset time threshold, it is determined that a power supply abnormality exists in the sub-controller, and the second power supply abnormality signal is generated.

[0046] Understandably, the power feedback information may be voltage or current. When the power feedback information is voltage, the corresponding preset power threshold is a voltage threshold. When the power feedback information is current, the corresponding preset power threshold is a current threshold. Corresponding thresholds may be set for different fault types, and the fault types may be open circuit, short circuit to ground, short circuit to voltage, and the like. The preset time threshold may be set according to actual conditions, such as 100ms. If the power feedback information exceeds the preset power threshold, and the duration of the power feedback information of the preset power threshold is greater than the preset time threshold, it is determined that the sub-controller has a power supply abnormality, and a second power supply abnormality signal is generated and sent to the bus. If not met, the second power supply abnormality signal is not generated. In one example, the second power supply abnormality signal may be fed back to the sub-controller, and the sub-controller performs a diagnosis to generate an error code.

[0047] This embodiment performs power supply anomaly detection based on the power consumption side and performs anomaly detection through a calibrated threshold, so that a more accurate detection result can be obtained.

[0048] S30, obtaining a third power supply abnormality signal generated by the function controller when using electricity.

[0049] Understandably, the power supply voltage of the function controller is usually 6V-26V, and its value fluctuates with the voltage of the main battery (12V lead-acid battery or lithium battery). When the voltage of the function controller is abnormal, the third power supply abnormal voltage is generated.

[0050] Optionally, step S30, i.e., obtaining a third power supply abnormality signal generated by the function controller when using electricity, includes:

[0051] S301, obtaining the required voltage and actual voltage of each port controlled by the function controller;

[0052] S302: If the difference between the required voltage and the actual voltage of at least one port among the ports exceeds a preset voltage threshold, and the duration of exceeding the preset voltage threshold is greater than a preset duration, it is determined that the port has a power supply abnormality, and the third power supply abnormality signal is generated.

[0053] Understandably, the function controller can control the power distribution of one or more ports. Each port is provided with a voltage acquisition circuit, which can collect the actual voltage of each port. The required voltage and the actual voltage of each port can be compared. If the difference between the two is greater than the preset voltage threshold, and the duration of exceeding the preset voltage threshold is greater than the preset duration, it is determined that the port has a power supply abnormality, and a third power supply abnormality signal is generated. Here, each port can be set with an independent preset voltage threshold and preset duration. In some examples, the preset duration can be 100ms.

[0054] This embodiment verifies the power distribution requirements of each port with the access voltage, and detects abnormal power supply of each port in real time.

[0055] S40: Determine a power supply abnormality condition of the vehicle controller according to the first power supply abnormality signal, the second power supply abnormality signal, and the third power supply abnormality signal.

[0056] Understandably, three types of power supply abnormality signals, namely, the first power supply abnormality signal, the second power supply abnormality signal and the third power supply abnormality signal, may be collected to further determine the power supply abnormality condition of the vehicle-mounted controller.

[0057] This embodiment detects three different types of power supply anomaly signals, which greatly improves the stability and safety of power supply anomaly detection of the on-board intelligent power distribution system.

[0058] Optionally, step S40, i.e., determining the abnormal power supply condition of the vehicle controller according to the first abnormal power supply signal, the second abnormal power supply signal, and the third abnormal power supply signal, includes:

[0059] S401. If at least one of the first power supply abnormality signal, the second power supply abnormality signal and the third power supply abnormality signal appears, it is determined that the vehicle controller has a power supply abnormality.

[0060] It can be understood that as long as at least one of the first power supply abnormality signal, the second power supply abnormality signal and the third power supply abnormality signal appears, it means that there is a power supply abnormality in at least one controller or port, and it is determined that there is a power supply abnormality in the vehicle controller.

[0061] Optionally, after step S30, that is, after obtaining the third power supply abnormality signal generated by the function controller when using electricity, the method further includes:

[0062] S50: Send the first power supply abnormality signal, the second power supply abnormality signal and / or the third power supply abnormality signal to the vehicle system and / or the cloud server to generate warning information.

[0063] It can be understood that when the first power supply abnormality signal, the second power supply abnormality signal and / or the third power supply abnormality signal are detected, the detected abnormal signal can be sent to the bus, and the bus is fed back to the vehicle system, and the vehicle system generates a warning message. The vehicle user can receive the warning message through the vehicle system and then learn about the power supply abnormality of the vehicle controller; it can also be uploaded to the cloud server through the T-box (Internet of Vehicles control unit), and the cloud server generates a warning message, which is synchronized to after-sales service personnel to facilitate fault follow-up and ensure vehicle safety.

[0064] It should be understood that the order of execution of the steps in the above embodiment does not necessarily mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present invention.

[0065] In one embodiment, a vehicle-mounted controller power supply anomaly detection device is provided, and the vehicle-mounted controller power supply anomaly detection device corresponds one-to-one to the vehicle-mounted controller power supply anomaly detection method in the above embodiment.

[0066] like Figure 2 As shown, the vehicle-mounted controller power supply abnormality detection device includes:

[0067] A first abnormal signal acquisition module 10, used to acquire a first power supply abnormality signal sent by the function controller after waking up;

[0068] The second abnormal signal acquisition module 20 is used to acquire a second power supply abnormal signal generated by the regional controller during power distribution;

[0069] A third abnormal signal acquisition module 30, used to acquire a third power supply abnormal signal generated by the function controller when using electricity;

[0070] The abnormal condition determination module 40 is used to determine the abnormal power supply condition of the vehicle controller according to the first abnormal power supply signal, the second abnormal power supply signal and the third abnormal power supply signal.

[0071] Optionally, the first abnormal signal acquisition module 10 includes:

[0072] A wake-up unit, used to wake up the main chip of the function controller when a wake-up event is detected; the wake-up event includes a network wake-up event or a local wake-up event;

[0073] A flag bit checking unit, used for checking whether the abnormal power-off flag bit is abnormal through the main chip;

[0074] The first abnormal signal issuing unit is used to issue the first power supply abnormal signal if the abnormal power-off flag is abnormal.

[0075] Optionally, the second abnormal signal acquisition module 20 includes:

[0076] A power distribution request receiving unit, used for receiving a power distribution request signal sent by a sub-controller;

[0077] A power distribution unit, configured to perform a power distribution operation according to the power distribution request signal;

[0078] A feedback information acquisition unit, used to acquire power feedback information of the power distribution operation;

[0079] The second abnormal signal issuing unit is used to determine the second power supply abnormal signal according to the power feedback information.

[0080] Optionally, the second abnormal signal issuing unit includes:

[0081] A power threshold judgment unit, used to judge whether the power feedback information exceeds a preset power threshold; the power feedback information includes current and / or voltage;

[0082] a duration determination unit, configured to monitor the duration of the power feedback information exceeding the preset power threshold if the power feedback information exceeds the preset power threshold;

[0083] A second abnormal signal generating unit is used to determine that a power supply abnormality exists in the sub-controller and generate the second power supply abnormality signal if the duration is longer than a preset time threshold.

[0084] Optionally, the third abnormal signal acquisition module 30 includes:

[0085] A voltage data acquisition unit, used to acquire the required voltage and actual voltage of each port controlled by the functional controller;

[0086] A third abnormal signal unit is generated, which is used to determine that there is a power supply abnormality in the port and generate the third power supply abnormality signal if the difference between the required voltage and the actual voltage of at least one port among the ports exceeds the preset voltage threshold and the time length of exceeding the preset voltage threshold is greater than the preset time length.

[0087] Optionally, the abnormal condition determination module 40 includes:

[0088] The abnormal condition determination unit is used to determine that the vehicle controller has a power supply abnormality if at least one of the first power supply abnormality signal, the second power supply abnormality signal and the third power supply abnormality signal appears.

[0089] Optionally, the vehicle-mounted controller power supply abnormality detection device further includes:

[0090] The abnormal signal sending module is used to send the first power supply abnormal signal, the second power supply abnormal signal and / or the third power supply abnormal signal to the vehicle system and / or the cloud server to generate early warning information.

[0091] For the specific definition of the vehicle controller power supply anomaly detection device, please refer to the definition of the vehicle controller power supply anomaly detection method mentioned above, which will not be repeated here. Each module in the above-mentioned vehicle controller power supply anomaly detection device can be implemented in whole or in part through software, hardware and their combination. The above-mentioned modules can be embedded in or independent of the processor in the computer device in the form of hardware, or can be stored in the memory of the computer device in the form of software, so that the processor can call and execute the operations corresponding to the above modules.

[0092] In one embodiment, a computer device is provided. The computer device may be a terminal, and its internal structure diagram may be as follows: Figure 3 As shown. The computer device includes a processor, a memory, a network interface, a display screen and an input device connected via a system bus. Among them, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a readable storage medium and an internal memory. The non-volatile storage medium stores an operating system and computer-readable instructions. The internal memory provides an environment for the operation of the operating system and computer-readable instructions in the readable storage medium. The network interface of the computer device is used to communicate with an external server through a network connection. When the computer-readable instructions are executed by the processor, a method for detecting power supply anomalies of a vehicle-mounted controller is implemented. The readable storage medium provided in this embodiment includes a non-volatile readable storage medium and a volatile readable storage medium.

[0093] In one embodiment, a computer device is provided, including a memory, a processor, and computer-readable instructions stored in the memory and executable on the processor, wherein the processor executes the computer-readable instructions to implement the following steps:

[0094] Acquire a first power supply abnormality signal sent by the function controller after being awakened;

[0095] Acquire a second power supply abnormality signal generated by the regional controller during power distribution;

[0096] Acquire a third power supply abnormality signal generated by the function controller when using electricity;

[0097] The power supply abnormality condition of the vehicle controller is determined according to the first power supply abnormality signal, the second power supply abnormality signal and the third power supply abnormality signal.

[0098] In one embodiment, one or more computer-readable storage media storing computer-readable instructions are provided. The readable storage media provided in this embodiment include non-volatile readable storage media and volatile readable storage media. The readable storage media store computer-readable instructions, and when the computer-readable instructions are executed by one or more processors, the following steps are implemented:

[0099] Acquire a first power supply abnormality signal sent by the function controller after being awakened;

[0100] Acquire a second power supply abnormality signal generated by the regional controller during power distribution;

[0101] Acquire a third power supply abnormality signal generated by the function controller when using electricity;

[0102] The power supply abnormality condition of the vehicle controller is determined according to the first power supply abnormality signal, the second power supply abnormality signal and the third power supply abnormality signal.

[0103] Those of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be implemented by instructing related hardware through computer-readable instructions, and the computer-readable instructions can be stored in a non-volatile readable storage medium or a volatile readable storage medium. When the computer-readable instructions are executed, they may include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

[0104] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above.

[0105] The embodiments described above are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be included in the protection scope of the present invention.

Claims

1. A method for detecting abnormal power supply of a vehicle controller, characterized in that: include: Acquire a first power supply abnormality signal sent by the function controller after being awakened; Acquire a second power supply abnormality signal generated by the regional controller during power distribution; Acquire a third power supply abnormality signal generated by the function controller when using electricity; The power supply abnormality condition of the vehicle controller is determined according to the first power supply abnormality signal, the second power supply abnormality signal and the third power supply abnormality signal.

2. The method for detecting abnormal power supply of a vehicle controller according to claim 1, characterized in that: The obtaining of the first power supply abnormality signal sent by the function controller after waking up includes: When a wake-up event is detected, the main chip of the function controller is woken up; the wake-up event includes a network wake-up event or a local wake-up event; Checking whether the abnormal power-off flag is abnormal by the main chip; If the abnormal power-off flag is abnormal, the first power supply abnormality signal is issued.

3. The method for detecting abnormal power supply of a vehicle controller according to claim 1, characterized in that: The obtaining of the second power supply abnormality signal generated by the regional controller during power distribution includes: receiving a power distribution request signal sent by a sub-controller; Execute a power distribution operation according to the power distribution request signal; obtaining power feedback information of the power distribution operation; The second power supply abnormality signal is determined according to the power feedback information.

4. The method for detecting abnormal power supply of a vehicle controller according to claim 3, characterized in that: The determining the second power supply abnormality signal according to the power feedback information includes: Determining whether the power feedback information exceeds a preset power threshold; the power feedback information includes current and / or voltage; If the power feedback information exceeds the preset power threshold, monitoring the duration of the power feedback information exceeding the preset power threshold; If the duration is longer than a preset time threshold, it is determined that a power supply abnormality exists in the sub-controller, and the second power supply abnormality signal is generated.

5. The method for detecting abnormal power supply of a vehicle controller according to claim 1, characterized in that: The obtaining of a third power supply abnormality signal generated by the function controller when using electricity includes: Obtaining the required voltage and actual voltage of each port controlled by the functional controller; If the difference between the required voltage and the actual voltage of at least one port among the ports exceeds the preset voltage threshold, and the duration of exceeding the preset voltage threshold is greater than the preset duration, it is determined that the port has power supply abnormality and the third power supply abnormality signal is generated.

6. The method for detecting abnormal power supply of a vehicle controller according to claim 1, characterized in that: The determining the abnormal power supply condition of the vehicle controller according to the first abnormal power supply signal, the second abnormal power supply signal and the third abnormal power supply signal comprises: If at least one of the first power supply abnormality signal, the second power supply abnormality signal and the third power supply abnormality signal appears, it is determined that the vehicle-mounted controller has a power supply abnormality.

7. The method for detecting abnormal power supply of a vehicle controller according to claim 1, characterized in that: After obtaining the third power supply abnormality signal generated by the function controller when using electricity, the method further includes: The first power supply abnormality signal, the second power supply abnormality signal and / or the third power supply abnormality signal are sent to the vehicle system and / or the cloud server to generate early warning information.

8. A vehicle-mounted controller power supply abnormality detection device, characterized in that: include: A first abnormal signal acquisition module, used to acquire a first power supply abnormal signal sent by the function controller after waking up; A second abnormal signal acquisition module, used to acquire a second power supply abnormal signal generated by the regional controller during power distribution; A third abnormal signal acquisition module, used to acquire a third power supply abnormal signal generated by the function controller when using electricity; The abnormal condition determination module is used to determine the abnormal power supply condition of the vehicle controller according to the first abnormal power supply signal, the second abnormal power supply signal and the third abnormal power supply signal.

9. A computer device comprising a memory, a processor, and computer-readable instructions stored in the memory and executed on the processor, characterized in that: When the processor executes the computer-readable instructions, the method for detecting power supply abnormality of a vehicle-mounted controller as described in any one of claims 1 to 7 is implemented.

10. One or more readable storage media storing computer-readable instructions, wherein when the computer-readable instructions are executed by one or more processors, the one or more processors execute the vehicle controller power supply abnormality detection method as described in any one of claims 1 to 7.

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