Power supply processing method for power source, and power supply system and vehicle

Abstract

Provided in the present application are a power supply processing method for a power source, and a power supply system and a vehicle. The power supply system comprises a power generation apparatus, and a main power source and a redundant power source, which are connected to the power generation apparatus, wherein the main power source is connected to a main load to form a first loop; the redundant power source is connected to a redundant load to form a second loop; the main power source and the redundant power source are connected by means of an isolator; and the isolator comprises a first microcontroller and an isolation switch. The method is applied to the first microcontroller, and comprises: receiving a first loop detection result and a second loop detection result; and in response to determining that at least one of the first loop detection result and the second loop detection result indicates a disconnection, controlling an isolation switch to close, so as to power a main load and a redundant load by means of a power generation apparatus, a main power source or a redundant power source. The technical solution of the present application can ensure the normal use of vehicle loads in case of a power supply failure of any power source.

Description

Power supply processing method, power supply system and vehicle

[0001] This application claims priority to the patent application filed with the China Patent Office on September 21, 2023, with application number 202311227881.6 and patent application name “Power supply processing method, power supply system and vehicle”, all contents of which are incorporated by reference in this application. Technical Field

[0002] The present application relates to the field of autonomous driving technology, and in particular to a power supply processing method, a power supply system, and a vehicle. Background Art

[0003] As the demand for vehicle intelligence continues to increase, it becomes particularly important to provide vehicles with safer and more reliable power supply guarantees.

[0004] In a non-redundant power supply architecture, if a short circuit occurs within the power supply, autonomous driving components will become unusable, affecting normal vehicle operation. In a redundant battery architecture, if a short circuit occurs on any power supply line, autonomous driving can be achieved using the remaining power supply and the corresponding load. However, the lack of a load will result in poor autonomous driving performance, affecting normal vehicle operation.

[0005] Summary of the Invention

[0006] In view of this, the purpose of this application is to propose a power supply processing method, a power supply system and a vehicle, so as to ensure the normal use of the vehicle load in the event of a power supply failure in any one of the vehicles with redundant power supplies.

[0007] Based on the above objectives, the present application provides a power supply processing method, which is applied to a first microcontroller in a power supply system. The power supply system includes a power generation device, and a main power supply and a redundant power supply respectively connected to the power generation device. The main power supply is connected to a main load to form a first circuit, and the redundant power supply is connected to a redundant load to form a second circuit. The main power supply and the redundant power supply are connected via an isolator. The isolator includes a first microcontroller and an isolating switch. The method includes:

[0008] Receive a first loop detection result and a second loop detection result, wherein the first loop detection result is on / off information of the first loop, and the second loop detection result is on / off information of the second loop;

[0009] In response to determining that at least one of the first loop detection result and the second loop detection result is disconnected, the isolation switch is controlled to be closed to supply power to the main load and the redundant load through the power generation device, the main power supply or the redundant power supply.

[0010] Based on the above objectives, the present application also provides a power supply system, which includes: a power generation device, a main power supply, a redundant power supply, a main load, a redundant load, and an isolator; the power generation device is connected to the main power supply and the redundant power supply respectively, the main power supply is connected to the main load to form a first circuit, the redundant power supply is connected to the redundant load to form a second circuit, the main power supply and the redundant power supply are connected through an isolator, and the isolator includes a first microcontroller and an isolating switch; the first microcontroller is used to execute the power supply processing method provided in any embodiment of the present application. The first microcontroller includes: a processor, wherein the processor is used to execute the following program modules stored in the memory:

[0011] The detection result receiving module is configured to: receive a first loop detection result and a second loop detection result, wherein the first loop detection result is on / off information of the first loop, and the second loop detection result is on / off information of the second loop;

[0012] The switch closure control module is configured to: in response to determining that at least one of the first circuit detection result and the second circuit detection result is disconnected, control the isolation switch to close, so as to supply power to the main load and the redundant load through the power generation device, the main power supply or the redundant power supply.

[0013] Based on the above-mentioned purpose, the present application provides a vehicle, which includes a power supply system as provided in any embodiment of the present application.

[0014] As can be seen from the above, the power supply processing method provided by the present application, by receiving the first circuit detection result and the second circuit detection result, in response to determining that at least one of the first circuit detection result and the second circuit detection result is disconnected, it can be determined that the main power supply and / or redundant power supply cannot be supplied. Then, in order to ensure the use of the vehicle load, the isolation switch is controlled to be closed to supply power to the main load and the redundant load through the power generation device, the main power supply or the redundant power supply, thereby realizing circuit breaker compensation when a circuit breaker occurs in the first circuit and / or the second circuit, and still being able to use all the loads of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] FIG1 is a flow chart of a power supply processing method provided in an embodiment of the present application;

[0016] FIG2 is a flow chart of another power supply processing method provided in an embodiment of the present application;

[0017] FIG3 is a schematic structural diagram of a first microcontroller provided in an embodiment of the present application;

[0018] FIG4 is a schematic structural diagram of a power supply system provided in an embodiment of the present application;

[0019] FIG5 is a schematic structural diagram of another power supply system provided in an embodiment of the present application;

[0020] FIG6 is a schematic structural diagram of another power supply system provided in an embodiment of the present application. DETAILED DESCRIPTION

[0021] FIG1 is a flow chart of a power supply processing method provided in an embodiment of the present application, which is primarily applicable to a first microcontroller in a power supply system. The power supply system includes a power generation device, and a main power supply and a redundant power supply connected to the power generation device in a vehicle. The main power supply is connected to a main load, and the redundant power supply is connected to a redundant load. The main power supply and the redundant power supply are connected via an isolator, which includes a first microcontroller and an isolating switch. The power generation device is configured to charge the main power supply and the redundant power supply and supply power to the main and redundant loads when the power mode is high-voltage power-on; it does not operate when the power mode is on or off. The main power supply and the main load are connected to form a first circuit, and the redundant power supply and the redundant load are connected to form a second circuit. The main power supply is configured to supply power to the main load when the power mode is on, and to supply power to both the main load and the redundant load when the second circuit is disconnected. The redundant power supply is configured to supply power to the redundant load when the power mode is on, and to supply power to both the main load and the redundant load when the first circuit is disconnected. When the vehicle is in use, it is necessary to turn on the main load and redundant load. The main load is connected to the main power supply and may include conventional loads, an autonomous driving controller, autonomous driving system sensors, a main braking system, and a main steering system, etc. The redundant load is connected to the redundant power supply and may include an auxiliary driving controller, an auxiliary driving system sensor, a redundant braking system, and a redundant steering system, etc. This method is applied to the first microcontroller of the isolator. This method is suitable for situations where there is a circuit break in the first circuit or the second circuit, and the isolating switch is adjusted by the first microcontroller to enable the vehicle to use the main load and redundant load normally. As shown in Figure 1, this method may specifically include the following steps:

[0022] S110: Receive a first loop detection result and a second loop detection result.

[0023] The first circuit detection result is the on / off information of the first circuit, and the second circuit detection result is the on / off information of the second circuit. The on / off information can be on or off.

[0024] Specifically, the first microcontroller of the isolator can receive the on / off information of the first circuit and the second circuit from the circuit detection device, that is, the first circuit detection result and the second circuit detection result, so as to analyze how to control the opening and closing of the isolation switch in the future.

[0025] For example, a loop detection device may be additionally provided to detect the on / off information of the first loop and the second loop, and send the detected information to the first microcontroller.

[0026] Exemplarily, the loop detection device can be a current detection device. For example, the current detection device is installed in the first loop and the second loop respectively. The first microcontroller can determine the first loop detection result and the second loop detection result through the first loop current value and the second loop current value fed back by the current detection device.

[0027] Specifically, if the current value of the first loop is 0 or less than the preset current value, the first microcontroller can determine that the detection result of the first loop is disconnected. If the current value of the first loop is much greater than the rated current value (for example, greater than the rated current value multiplied by a preset multiple, and the preset multiple is greater than 1), the first microcontroller can determine that the first loop is short-circuited. At this time, it is necessary to control the first loop to be disconnected through the first microcontroller, and determine that the detection result of the first loop is disconnected. If the current value of the first loop is other than the case, the first microcontroller determines that the detection result of the first loop is conductive. Accordingly, the specific method for determining the detection result of the second loop is similar to the specific method for determining the detection result of the first loop, and will not be repeated here.

[0028] It is understandable that the loop detection device may be not only a current detection device, but also a voltage detection device, a temperature detection device, etc.

[0029] Based on the above example, the main power supply includes a first sampling resistor and a second microcontroller, and the first sampling resistor is arranged in the first power supply circuit; the redundant power supply includes a second sampling resistor and a third microcontroller, and the second sampling resistor is arranged in the second power supply circuit; the on-off information of the first circuit is determined by the second microcontroller based on the first electrical information corresponding to the first sampling resistor collected; the on-off information of the second circuit is determined by the third microcontroller based on the second electrical information corresponding to the second sampling resistor collected.

[0030] The first power supply circuit is the internal circuit of the main power supply, and the second power supply circuit is the internal circuit of the redundant power supply. The first electrical information is the voltage and current information of the first sampling resistor, etc. The second electrical information is the voltage and current information of the second sampling resistor, etc.

[0031] Specifically, a second microcontroller detects a first sampling resistor within the first power supply circuit to obtain first electrical information. Based on the first electrical information, on / off information of the first circuit where the main power supply resides, i.e., the first circuit detection result, can be analyzed. For example, if the voltage value is 0, the voltage value is the voltage of the main power supply, and the current value is 0, the first circuit detection result can be determined to be disconnected. The method for determining the second circuit detection result is the same as the method for determining the first circuit detection result. A third microcontroller detects a second sampling resistor within the second power supply circuit to obtain second electrical information. Based on the second electrical information, on / off information of the second circuit where the redundant power supply resides, i.e., the second circuit detection result, can be analyzed.

[0032] The first sampling resistor and the second sampling resistor can be provided to protect the first loop and the second loop, thereby preventing damage to the main load and the redundant load when the loop is short-circuited. Quantitative analysis can be performed based on the first electrical information and the second electrical information to improve the accuracy of the first loop detection results and the second loop detection results.

[0033] Based on the above example, after receiving the first circuit test results and the second circuit test results, the power usage indicator can also be fed back to the vehicle controller to remind the driver of the power status, so that the driver can find the problem in time and deal with it:

[0034] A power usage identifier is generated according to the first loop detection result and the second loop detection result, and the power usage identifier is sent to the vehicle controller.

[0035] The power usage identifier is used to indicate whether each power supply is currently supplying power. The power usage identifier includes a usage identifier of a main power supply and a usage identifier of a redundant power supply.

[0036] Specifically, the first microcontroller can determine the usage identification of the main power supply and the usage identification of the redundant power supply based on the first circuit detection result and the second circuit detection result, and send the usage identification of the main power supply and the usage identification of the redundant power supply as power usage identification to the vehicle controller.

[0037] For example, if the first circuit detection result is disconnected, the first microcontroller determines that the main power supply usage flag is not in use; if the first circuit detection result is connected, the first microcontroller determines that the main power supply usage flag is in use; if the second circuit detection result is disconnected, the first microcontroller determines that the redundant power supply usage flag is not in use; if the second circuit detection result is connected, the first microcontroller determines that the redundant power supply usage flag is in use. For example, the usage flag can be 1 or 0, where 1 can indicate in use and 0 can indicate not in use.

[0038] The first microcontroller feeds back the power usage identifier to the vehicle controller, so that the driver can obtain the current power usage status. If the usage identifier of the main power supply or redundant power supply is not in use, it indicates that there is a power supply (main power supply or redundant power supply) failure and needs to be repaired, so as to remind the driver in time and avoid the danger caused by circuit failure.

[0039] S120 . In response to determining that at least one of the first circuit detection result and the second circuit detection result is disconnected, controlling the isolation switch to close to supply power to the main load and the redundant load through the power generation device, the main power supply or the redundant power supply.

[0040] Specifically, if at least one of the first and second circuit detection results is disconnected, there are three possible scenarios: the first circuit detection result is disconnected, the second circuit detection result is disconnected, or both the first and second circuit detection results are disconnected. If only the first circuit detection result is disconnected, it indicates that the first circuit is broken and the second circuit is connected. In this case, the first microcontroller controls the isolation switch to close, and the redundant power supply can be used to power the main load and the redundant load. If only the second circuit detection result is disconnected, it indicates that the second circuit is broken and the first circuit is connected. In this case, the first microcontroller controls the isolation switch to close, and the main power supply can be used to power the main load and the redundant load. If both the first and second circuit detection results are disconnected, it indicates that the first and second circuits are broken. In this case, the main power supply and the redundant power supply can be stopped and the power generation device can be used to power the main load and the redundant load. In this case, the main power supply and the redundant power supply can also be charged. In this case, the power supply mode is usually in the high-voltage power-on state.

[0041] Based on the above example, the isolator further includes a switch driver chip. The first microcontroller is connected to the switch driver chip, which is connected to the isolating switch. The isolating switch can be controlled to close in the following manner:

[0042] A switch closing signal is generated and sent to a switch driving chip, so that the switch driving chip receives the switch closing signal and closes the isolation switch based on the switch closing signal.

[0043] The switch closing signal is a signal used to control the closing of the isolation switch.

[0044] Specifically, when the isolation switch needs to be controlled to close, the first microcontroller generates a switch closing signal and sends it to the switch driving chip. When the switch driving chip receives the switch closing signal, it controls the isolation switch to close.

[0045] Exemplarily, the switch driver chip can be a LTC4368 driver chip, etc. The output end of the switch driver chip is connected to the isolation switch to control the on and off of the isolation switch, and the input end of the switch driver chip is connected to the output end of the first microcontroller to receive the switch closing signal sent by the first microcontroller.

[0046] Based on the above example, the isolator further includes a switch status monitoring chip. The first microcontroller is connected to the switch status monitoring chip, which is in turn connected to the isolating switch. The switch status monitoring chip can also be used to monitor the isolating switch to further determine whether the switching operation corresponding to the requirements of the first microcontroller is performed:

[0047] Receive the opening and closing information sent by the switch status monitoring chip, and determine the execution status based on the opening and closing information and the switch control signal;

[0048] In response to determining that the execution status is not executed, the isolation switch is controlled according to the switch control signal.

[0049] The switch control signal is a switch closing signal or a switch opening signal issued by the first microcontroller. The switch opening signal is a signal used to control the disconnection of the isolating switch. The switch-closing information describes the state of the isolating switch, which can be closed or open. The execution status describes whether the isolating switch corresponds to the switch control signal, that is, whether the isolating switch executes the operation corresponding to the switch control signal of the first microcontroller.

[0050] Specifically, the switch status monitoring chip can monitor the status of the isolating switch, obtain the opening and closing information, and send the opening and closing information to the first microcontroller. The first controller receives the opening and closing information, compares the opening and closing information with the sent switch control signal, and determines whether the isolating switch is operated according to the switch control signal, that is, determines the execution status. If the execution status is not executed, it indicates that the isolating switch does not meet the control requirements of the first microcontroller, that is, it is not opened and closed according to the switch control signal, then the first microcontroller can control the isolating switch again through the switch control signal. If the execution status is executed, it indicates that the isolating switch meets the control requirements of the first microcontroller, that is, it has been opened and closed according to the switch control signal, and the first microcontroller does not need to process it again.

[0051] Optionally, the input terminal of the switch state monitoring chip is connected to the output terminal of the isolating switch, and the output terminal of the switch state monitoring chip is connected to the input terminal of the first microcontroller. The switch state monitoring chip can be a voltage monitoring chip or a current monitoring chip, such as AN051A. By collecting the voltage across the isolating switch, the voltage monitoring chip can determine the closed or open state of the isolating switch, that is, the opening and closing information. Then, the execution state is determined based on the opening and closing information and the switch control signal.

[0052] In the power supply processing method provided in this embodiment, the first microcontroller receives the first circuit detection result and the second circuit detection result. When at least one of the first circuit detection result and the second circuit detection result is disconnected, it can be determined that the main power supply and / or the redundant power supply cannot provide power. Furthermore, to ensure the use of the vehicle load, the first microcontroller controls the isolation switch to close, so that the main load and the redundant load are powered by the power generation device, the main power supply or the redundant power supply. This achieves circuit breakage compensation when a circuit breakage occurs in the first circuit and / or the second circuit, so that all loads of the vehicle can still be used.

[0053] FIG2 is a flow chart of another power supply processing method provided by an embodiment of the present application. Based on the above embodiments, optionally, the case where at least one of the first circuit detection result and the second circuit detection result is disconnected is described separately, and the case where both the first circuit detection result and the second circuit detection result are connected, as well as the case where the power is off, is described, and exemplary descriptions are provided. The explanations of terms that are the same or corresponding to the above embodiments are not repeated here. As shown in FIG2 , the method may specifically include the following steps:

[0054] S210: Receive a first loop detection result and a second loop detection result.

[0055] S220: In response to determining that at least one of the first circuit detection result and the second circuit detection result is disconnected and the power mode is on, controlling the isolation switch to close to supply power to the main load and the redundant load through the main power supply or the redundant power supply.

[0056] The power mode describes how the primary and redundant power supplies are used. In the "on" state, the primary and redundant loads are powered on, and the power generation device remains disabled.

[0057] Specifically, when the power mode is on, under normal circumstances, the first circuit detection results and the second circuit detection results should both be on, the main power supply supplies power to the main load, the redundant power supply supplies power to the redundant load, and the generator is not started. However, if at least one of the first circuit detection results and the second circuit detection results is disconnected, and the power mode is on, it indicates that there is a circuit break in the first circuit or the second circuit. Therefore, the first microcontroller is required to control the isolation switch to close so that when the first circuit detection result is disconnected, the redundant power supply is used to supply power to the main load and the redundant load, or when the second circuit detection result is disconnected, the main power supply is used to supply power to the main load and the redundant load. It should be noted that if the first circuit detection results and the second circuit detection results are both disconnected, the vehicle can switch the power mode to the high-voltage power-on state, so that the generator supplies power to the main load and the redundant load, and pull over to facilitate the inspection of the power failure and ensure driving safety.

[0058] S230. In response to determining that at least one of the first circuit detection result and the second circuit detection result is disconnected, and the power supply mode is in the high-voltage power-on state, the isolation switch is controlled to be closed to supply power to the main load and the redundant load through the power generation device, and to charge the main power supply and the redundant power supply through the power generation device.

[0059] Among them, the high-voltage power-on state is a mode in which the power generation device is used to power the main load and redundant load, and the power generation device is used to charge the main power supply and redundant power supply. At this time, the main load and redundant load can be used normally, and the main power supply and redundant power supply are kept from outputting electrical energy to the outside.

[0060] Specifically, when the power supply mode is in the high-voltage power-on state, the first circuit detection results and the second circuit detection results are both disconnected, and there is no need to use the main power supply and the redundant power supply for power supply. Therefore, the first microcontroller controls the isolation switch to close to conduct the path between the power generation device and the main power supply, the redundant power supply, the main load and the redundant load. Then, the power generation device is used to supply power to the main load and the redundant load, and the power generation device is used to charge the main power supply and the redundant power supply to ensure that the main load and the redundant load can be used normally, and to ensure that the main power supply and the redundant power supply are charged to a fully charged state, so that when the power supply mode is switched to the on state, the main power supply and the redundant power supply are used to supply power to the main load and the redundant load.

[0061] S240. In response to determining that the first circuit detection result and the second circuit detection result are both conductive, control the isolation switch to be disconnected to disconnect the main power supply from the redundant power supply, and enable the main power supply to supply power to the main load and the redundant power supply to supply power to the redundant load.

[0062] Specifically, when both the first circuit detection result and the second circuit detection result are conductive, it can be said that the power mode is on. At this time, the main power supply needs to power the main load and the redundant power supply needs to power the redundant load. In addition, the first microcontroller controls the isolation switch to disconnect, which can disconnect the connection between the main power supply and the redundant power supply to prevent the main power supply and the redundant power supply from charging each other and causing power loss.

[0063] S250: In response to determining that the power mode is in the off state, controlling the isolation switch to be opened to disconnect the main power supply from the redundant power supply.

[0064] The off state is a state where the power generation device, the main power supply and the redundant power supply are not used to supply power to the main load and the redundant load, that is, the main load and the redundant load are stopped.

[0065] Specifically, when the power mode is in the off state, the main power supply is stopped from being used to power the main load, and the redundant power supply is also stopped from being used to power the redundant load. At this time, the main load and the redundant load can stop working. In order to avoid the main power supply and the redundant power supply from charging each other and causing power loss, the first microcontroller controls the isolation switch to be disconnected to disconnect the connection between the main power supply and the redundant power supply.

[0066] For example, the disconnection of the isolation switch can be controlled by acquiring the charge and discharge status of the main power supply and the redundant power supply.

[0067] Specifically, in response to determining that the charge / discharge state of the main power supply is in a charging state and the charge / discharge state of the redundant power supply is in a discharging state, or that the charge / discharge state of the main power supply is in a discharging state and the charge / discharge state of the redundant power supply is in a charging state, it can be determined that there is mutual charging between the main power supply and the redundant power supply, resulting in unnecessary energy waste. In this case, it is necessary to control the isolation switch to be disconnected by the first microcontroller. Typically, the charge / discharge state is obtained when the power mode is in the on state or the off state, so that the isolation switch can be controlled to be disconnected by the first microcontroller.

[0068] The power supply processing method provided in this embodiment is as follows: the first microcontroller receives the first loop detection result and the second loop detection result. When at least one of the first loop detection result and the second loop detection result is disconnected, when the power mode is on, the isolation switch is controlled to be closed to supply power to the main load and the redundant load through the main power supply or the redundant power supply; when the power mode is in the high-voltage power-on state, the isolation switch is controlled to be closed to supply power to the main load and the redundant load through the power generation device, and the main power supply and the redundant power supply are charged by the power generation device to ensure the use of the main load and the redundant load, and when the first loop detection result and the second loop detection result are both on, in order to avoid To prevent the main power supply and the redundant power supply from charging and losing power each other, the first microcontroller controls the isolating switch to be disconnected to disconnect the main power supply and the redundant power supply, and the main power supply supplies power to the main load and the redundant power supply supplies power to the redundant load. Moreover, when the power mode is in the off state, in order to prevent the main power supply and the redundant power supply from charging and losing power each other, the first microcontroller controls the isolating switch to be disconnected to disconnect the main power supply and the redundant power supply. This realizes that when the main power supply and the redundant power supply are used for power supply and when a circuit breaker occurs in the first circuit and / or the second circuit, circuit breaker compensation is performed, and all loads of the vehicle can still be used. Moreover, when the main power supply and the redundant power supply are not used for power supply, the main power supply and the redundant power supply are prevented from charging and losing power each other.

[0069] It should be noted that the method of the embodiment of the present application can be performed by a single device, such as a computer or server. The method of this embodiment can also be applied in a distributed scenario, where multiple devices cooperate with each other to complete the method. In such a distributed scenario, one of the multiple devices may only perform one or more steps of the method of the embodiment of the present application, and the multiple devices will interact with each other to complete the above method.

[0070] It should be noted that the above description is limited to some embodiments of the present application. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims may be performed in an order different from that described in the above embodiments and still achieve the desired results. Furthermore, the processes depicted in the accompanying drawings do not necessarily require the specific order or sequential order shown to achieve the desired results. In certain embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0071] Based on the same inventive concept, corresponding to any of the above-mentioned embodiment methods, the present application also provides a first microcontroller, wherein the vehicle includes a power generation device, and a main power supply and a redundant power supply connected to the power generation device, the main power supply is connected to the main load to form a first circuit, the redundant power supply is connected to the redundant load to form a second circuit, the main power supply and the redundant power supply are connected through an isolator, and the isolator includes a first microcontroller and an isolating switch.

[0072] FIG3 is a schematic diagram of the structure of a first microcontroller provided in an embodiment of the present application. Referring to FIG3 , the first microcontroller includes a processor configured to execute the following program modules stored in a memory: a detection result receiving module 310 and a switch closure control module 320 .

[0073] Among them, the detection result receiving module 310 is configured to: receive the first circuit detection result and the second circuit detection result, the first circuit detection result is the on-off information of the first circuit, and the second circuit detection result is the on-off information of the second circuit; the switch closure control module 320 is configured to: in response to determining that at least one of the first circuit detection result and the second circuit detection result is disconnected, control the isolation switch to close, so as to power the main load and the redundant load through the power generation device, the main power supply or the redundant power supply.

[0074] Based on the above example, optionally, the switch closure control module 320 is further configured to: in response to determining that the power mode is in the on state, control the isolation switch to close to supply power to the main load and the redundant load through the main power supply or the redundant power supply; in response to determining that the power mode is in the high-voltage power-on state, control the isolation switch to close to supply power to the main load and the redundant load through the power generation device, and charge the main power supply and the redundant power supply through the power generation device.

[0075] Based on the above example, optionally, the device also includes: a switch disconnecting first control module, which is configured to: when the first loop detection result and the second loop detection result are both conductive, control the isolation switch to disconnect, so as to disconnect the main power supply and the redundant power supply, and enable the main power supply to supply power to the main load and the redundant power supply to supply power to the redundant load.

[0076] Based on the above example, optionally, the device further includes: a switch disconnecting second control module, configured to: in response to determining that the power mode is in the off state, control the isolation switch to disconnect to disconnect the main power supply from the redundant power supply.

[0077] Based on the above example, optionally, the isolator also includes a switch driving chip, the first microcontroller is connected to the switch driving chip, the switch driving chip is connected to the isolation switch, and the switch closure control module 320 is further configured to: generate a switch closure signal and send the switch closure signal to the switch driving chip, so that the switch driving chip receives the switch closure signal and closes the isolation switch based on the switch closure signal.

[0078] Based on the above example, optionally, the isolator further includes a switch status monitoring chip, the first microcontroller is connected to the switch status monitoring chip, the switch status monitoring chip is connected to the isolating switch, and the device further includes: a monitoring execution module, configured to: receive the opening and closing information sent by the switch status monitoring chip, and determine the execution status based on the opening and closing information and the switch control signal; in response to determining that the execution status is not executed, the isolating switch is controlled according to the switch control signal; wherein the switch control signal is a switch closing signal or a switch opening signal.

[0079] Based on the above example, optionally, the input end of the switch status monitoring chip is connected to the output end of the isolation switch, the output end of the switch status monitoring chip is connected to the input end of the first microcontroller, and the switch status monitoring chip is a voltage monitoring chip or a current monitoring chip.

[0080] Based on the above example, optionally, the main power supply includes a first sampling resistor and a second microcontroller, and the first sampling resistor is set in the first power supply circuit; the redundant power supply includes a second sampling resistor and a third microcontroller, and the second sampling resistor is set in the second power supply circuit; the on-off information of the first circuit is determined by the second microcontroller based on the first electrical information corresponding to the first sampling resistor collected; the on-off information of the second circuit is determined by the third microcontroller based on the second electrical information corresponding to the second sampling resistor collected.

[0081] Based on the above example, optionally, the power supply system also includes a loop detection device, which is communicatively connected to the first microcontroller, and the detection result receiving module 310 is further configured to: receive the on / off information of the first loop and the second loop sent by the loop detection device, and determine the first loop detection result and the second loop detection result based on the on / off information of the first loop and the second loop.

[0082] Based on the above example, optionally, the detection result receiving module 310 is further configured to: receive the first loop current value and the second loop current value sent by the loop detection device; determine the first loop detection result based on the first loop current value, and determine the second loop detection result based on the second loop current value.

[0083] Based on the above example, optionally, the device also includes: a status control module, which is configured to: obtain the charging and discharging status of the main power supply and the charging and discharging status of the redundant power supply, and control the disconnection of the isolation switch according to the charging and discharging status of the main power supply and the charging and discharging status of the redundant power supply.

[0084] Based on the above example, optionally, the state control module is further configured to: in response to determining that the charge and discharge state of the main power supply is a charging state and the discharge state of the redundant power supply is a discharging state, control the isolation switch to disconnect; or, in response to determining that the charge and discharge state of the main power supply is a discharging state and the charge and discharge state of the redundant power supply is a charging state, control the isolation switch to disconnect.

[0085] For the convenience of description, the above devices are described as being divided into various modules according to their functions. Of course, when implementing this application, the functions of each module can be implemented in the same or multiple software and / or hardware.

[0086] The apparatus of the above embodiment is used to implement the corresponding power supply processing method in any of the above embodiments, and has the beneficial effects of the corresponding method embodiments, which will not be described in detail here.

[0087] Based on the same inventive concept, corresponding to any of the above-mentioned embodiment methods, the present application also provides a power supply system.

[0088] FIG4 is a schematic diagram of the structure of a power supply system provided in an embodiment of the present application, and FIG5 is a schematic diagram of the structure of another power supply system provided in an embodiment of the present application. Referring to FIG4 and FIG5, the power supply system 400 includes: a power generation device 410, a main power supply 420, a redundant power supply 430, a main load 440, a redundant load 450, and an isolator 460; the power generation device 410 is connected to the main power supply 420 and the redundant power supply 430 respectively, the main power supply 420 is connected to the main load 440 to form a first loop 470, the redundant power supply 430 is connected to the redundant load 450 to form a second loop 480, the main power supply 420 and the redundant power supply 430 are connected via an isolator 460, and the isolator 460 includes a first microcontroller 461 and an isolating switch 462;

[0089] The first microcontroller 461 is configured to: receive the first loop detection result of the main power supply 420 and the second loop detection result of the redundant power supply 430; in response to determining that at least one of the first loop detection result and the second loop detection result is disconnected, control the isolation switch 462 to close, so as to power the main load 440 and the redundant load 450 through the power generation device 410, the main power supply 420 or the redundant power supply 430.

[0090] The first microcontroller 461 is further configured to: in response to determining that the power mode is in the on state, control the isolation switch 462 to close, so as to supply power to the main load 440 and the redundant load 450 through the main power supply 420 or the redundant power supply 430; when the power mode is in the high-voltage power-on state, control the isolation switch 462 to close, so as to supply power to the main load 440 and the redundant load 450 through the power generation device 410, and charge the main power supply 420 and the redundant power supply 430 through the power generation device 410.

[0091] The first microcontroller 461 is further configured to: in response to determining that the first loop detection result and the second loop detection result are both conductive, control the isolation switch 462 to disconnect, so as to disconnect the main power supply 420 from the redundant power supply 430, and enable the main power supply 420 to supply power to the main load 440 and the redundant power supply 430 to supply power to the redundant load 450.

[0092] The first microcontroller 461 is further configured to, in response to determining that the power mode is in the off state, control the isolation switch 462 to be opened, so as to disconnect the main power supply 420 from the redundant power supply 430 .

[0093] Based on the above example, optionally, the isolator 460 also includes: a switch driving chip 463 and a switch status monitoring chip 464; wherein, the first microcontroller 461 is connected to the switch driving chip 463, the switch driving chip 463 is connected to the isolation switch 462, the first microcontroller 461 is connected to the switch status monitoring chip 464, and the switch status monitoring chip 464 is connected to the isolation switch 462; the main power supply 420 includes a first sampling resistor 421 and a second microcontroller 422, the first sampling resistor 421 is arranged in the first power supply circuit, and the second microcontroller 422 is communicatively connected to the first microcontroller 461; the redundant power supply 430 includes a second sampling resistor 431 and a third microcontroller 432, the second sampling resistor 431 is arranged in the second power supply circuit, and the third microcontroller 432 is communicatively connected to the first microcontroller 461.

[0094] The first microcontroller 461 is further configured to generate a switch closing signal and send the switch closing signal to the switch driving chip 463 , so that the switch driving chip 463 receives the switch closing signal and closes the isolation switch 462 based on the switch closing signal.

[0095] The first microcontroller 461 is further configured to: receive the switch status information sent by the switch status monitoring chip 464, and determine the execution status according to the switch status information and the switch control signal;

[0096] In response to determining that the execution state is not executed, the isolation switch 462 is controlled according to the switch control signal; wherein the switch control signal is a switch closing signal or a switch opening signal.

[0097] The input end of the switch status monitoring chip 464 is connected to the output end of the isolation switch 462, and the output end of the switch status monitoring chip 464 is connected to the input end of the first microcontroller 461. The switch status monitoring chip 464 is a voltage monitoring chip or a current monitoring chip; the on-off information of the first loop 470 is determined by the second microcontroller 422 based on the first electrical information corresponding to the first sampling resistor 421; the on-off information of the second loop 480 is determined by the third microcontroller 432 based on the second electrical information corresponding to the second sampling resistor 431.

[0098] The first microcontroller 461 is further configured to generate a power usage identifier based on the first loop detection result and the second loop detection result, and send the power usage identifier to the vehicle controller 500; wherein the power usage identifier includes the usage identifier of the main power supply 420 and the usage identifier of the redundant power supply 430.

[0099] The power supply system 400 also includes a loop detection device 490, which is communicatively connected to the first microcontroller 461. The first microcontroller 461 is also configured to: receive the on / off information of the first loop and the second loop sent by the loop detection device 490, and determine the first loop detection result and the second loop detection result based on the on / off information of the first loop and the second loop.

[0100] The first microcontroller 461 is further configured to: receive the first loop current value and the second loop current value sent by the loop detection device 490; determine the first loop detection result according to the first loop current value, and determine the second loop detection result according to the second loop current value.

[0101] The first microcontroller 461 is further configured to obtain the charge and discharge status of the main power supply and the redundant power supply, and control the isolation switch 462 to be disconnected according to the charge and discharge status of the main power supply and the redundant power supply.

[0102] The first microcontroller 461 is further configured to: in response to determining that the charge and discharge state of the main power supply is a charging state and the discharge state of the redundant power supply is a discharging state, control the isolation switch 462 to disconnect; or, in response to determining that the charge and discharge state of the main power supply is a discharging state and the charge and discharge state of the redundant power supply is a charging state, control the isolation switch 462 to disconnect.

[0103] FIG6 is a schematic diagram of another power supply system according to an embodiment of the present application. Referring to FIG6 , the power supply system includes: a power generation device 1 , an isolator 2 , a main power supply 3 , a redundant power supply 5 , a main load 7 , and a redundant load 8 .

[0104] Power generation device 1: Vehicle high-low voltage conversion device, when the vehicle power mode is CRANK (high-voltage power-on mode), it supplies power to the entire vehicle's electrical equipment (main load 7 and redundant load 8), and charges the main power supply 3 and redundant power supply 5 at the same time.

[0105] Isolator 2: Connects generator 1, main power supply 3, and redundant power supply 5. When in the ON and OFF power modes, isolator 2's internal switch is open to prevent cross-charging between the two power supplies and resulting in power loss. When in the CRANK power mode, isolator 2's internal switch is closed, and power is supplied by generator 1. Isolator 2 receives circuit continuity signals (primary and secondary circuit detection results) from main power supply 3 and redundant power supply 5. If a circuit break occurs, isolator 2 controls its internal switch to close, ensuring uninterrupted power supply to main load 7 and redundant load 8.

[0106] Main power supply 3: When the power mode is on, it supplies power to the main load 7; the built-in battery first monitoring 4 realizes the monitoring of the voltage and current of its own circuit (first circuit) and the monitoring of the circuit on-off status.

[0107] The first battery monitoring module 4 is built into the main power supply 3 and is configured to detect whether the first circuit connected to the main power supply 3 is conductive.

[0108] Redundant power supply 5: When the power mode is on, it supplies power to the redundant load 8; when the power mode is CRANK, the isolator 2 is closed and the power generation device 1 supplies power to the second circuit and charges the redundant power supply 5; a built-in second battery monitoring module 6 is used to monitor the on / off status of the second circuit connected to the redundant power supply 5 (second circuit detection result).

[0109] The second battery monitoring module 6 is built into the redundant power supply 5 and is configured to detect whether the circuit (second circuit) to which the redundant power supply 5 is connected is conductive.

[0110] The main load 7 is an electrical load connected to the main power supply 3, including: conventional loads, automatic driving controller, automatic driving system sensor, main braking system and main steering system.

[0111] Conventional loads are other electrical loads connected for normal vehicle operation, including electrical components such as the powertrain, lighting system, and comfort and entertainment systems. The autonomous driving controller, as the primary controller for autonomous driving, collects sensor signals from the autonomous driving system sensors, interacts with other vehicle controller modules, and performs autonomous driving logic judgments to achieve autonomous vehicle control. When a fault that affects the autonomous driving function is detected, it prompts the driver to take over. If the driver fails to take over, the vehicle is automatically controlled to pull over or perform emergency braking in the lane. Autonomous driving system sensors: Sensors, cameras, and other components that provide accurate vehicle and road condition information to the autonomous driving controller. The main braking system, consisting of braking system sensors, controllers, and actuators, receives operating commands from the autonomous driving controller or auxiliary driving controller to achieve automatic braking and parking. The main steering system, consisting of steering system sensors, controllers, and actuators, transmits steering commands from the autonomous driving controller or auxiliary driving controller to the main steering system to achieve automatic steering.

[0112] The redundant load 8 is an electrical load connected to the redundant power supply 5 , including: an assisted driving controller, an assisted driving system sensor, a redundant braking system, and a redundant steering system.

[0113] The assisted driving controller, serving as an auxiliary controller for autonomous driving, collects sensor signals from the auxiliary braking system sensors and interacts with other vehicle controller modules. If an autonomous driving controller experiences an anomaly, the vehicle's assisted driving controller automatically controls the vehicle to pull over or perform emergency braking in its lane. Assisted driving system sensors are sensors and cameras that provide accurate vehicle and road condition information to the assisted driving controller. The redundant braking system is an auxiliary braking system, comprising auxiliary braking system sensors, controllers, and actuators. In autonomous driving scenarios, if the main braking system or circuit fails, the redundant braking system receives operating commands from the autonomous driving controller or the assisted driving controller to implement automatic braking and parking. The redundant steering system is an auxiliary steering control system, comprising backup steering system sensors, controllers, and actuators. It utilizes a dual-winding steering motor connected to a redundant power supply 5. In autonomous driving scenarios, when the autonomous driving controller or the assisted driving controller issues a steering command, the dual-winding motor engages to steer the vehicle. If either steering motor fails, the other steering controller degrades the steering motor to achieve autonomous steering.

[0114] The first battery monitoring module 4 within the main power supply 3 includes a second communication component 201, a second microcontroller 202, and a first sampling resistor 203. The isolator 2 includes an isolation switch 204, a switch driver chip 205, a switch status monitoring chip 206, a first microcontroller 207, and a first communication component 208. The second battery monitoring module 6 within the redundant power supply 5 includes a third communication component 301, a third microcontroller 302, and a second sampling resistor 303.

[0115] Second communication component 201: provides 5V power to second microcontroller 202; powered by main power supply 3; exchanges signals with isolator 2 and redundant power supply 5; CAN H is the high-level signal line in the CAN bus, and CAN L is the low-level signal line in the CAN bus;

[0116] The second microcontroller 202 receives the calculation and control of the first battery monitoring module 4 built into the main power supply 3, performs a logical judgment on the information (first electrical information) collected from both ends of the first sampling resistor 203 to determine whether the first circuit is open; and sends the judgment information to the isolator 2 via the second communication component 201;

[0117] The first sampling resistor 203 is configured to collect the loop voltage value signal of the first battery monitoring module 4 built into the main power supply 3, and sends the voltage value across the first sampling resistor 203 to the second microcontroller 202 for logic judgment;

[0118] Isolation switch 204: can be an intelligent MOS component, which is an intelligent isolation control switch in the isolator 2, and can be composed of a bidirectional MOS transistor and driven by the switch driver chip 205;

[0119] The switch driver chip 205 is a driver of the isolation switch 204 in the isolator 2 and receives control instructions (switch control signals) from the first microcontroller 207 to control the on and off state of the isolation switch 204.

[0120] The switch status monitoring chip 206 is a component for monitoring the open and closed status of the isolation switch 204 in the isolator 2 and feeds back the open and closed information of the isolation switch 204 to the first microcontroller 207;

[0121] First microcontroller 207: logic operation and control unit of isolator 2, which performs logical judgment on the collected information and sends instructions to control the on and off of isolation switch 204, which is a software control strategy;

[0122] First communication component 208: provides 5V power to first microcontroller 207; powered by the power supplies at both ends of isolator 2, and can maintain operation as long as one power supply is normal; CAN H is the high-level signal line in the CAN bus, and CAN L is the low-level signal line in the CAN bus;

[0123] The third communication component 301 provides 5V power to the third microcontroller 302; is powered by the redundant power supply 5; and exchanges signals with the isolator 2 and the main power supply 3. CAN H is the high-level signal line in the CAN bus, and CAN L is the low-level signal line in the CAN bus.

[0124] The third microcontroller 302 receives the calculation and control of the second battery monitoring module 6 built into the redundant power supply 5, performs a logical judgment on the information (second electrical information) collected from both ends of the second sampling resistor 303 to determine whether the second circuit is open; and sends the judgment information to the isolator 2 via the third communication component 301;

[0125] The second sampling resistor 303 is configured to collect the loop voltage value signal of the second battery monitoring module 6 built into the redundant power supply 5, and sends the voltage value across the second sampling resistor 303 to the third microcontroller 302 for logic judgment.

[0126] Specifically, power supply processing can be achieved through the following methods:

[0127] When the power mode is OFF or ON, the isolation switch 204 of the isolator 2 is in the disconnected state; the first battery monitoring module 4 detects the connection of the main battery harness circuit (first circuit) and sends the battery circuit status signal (first circuit detection result) to the isolator 2; the second battery monitoring module 6 detects the connection of the redundant battery harness circuit (second circuit) and sends the battery circuit status signal (second circuit detection result) to the isolator 2; if the main power supply 3 and the redundant power supply 5 circuits are normal, the isolator 2 remains disconnected; if one of the battery circuits is disconnected, the isolator 2 is controlled to be closed.

[0128] When the power mode is CRANK, the isolation switch 204 of the isolator 2 is in the closed state; the first battery monitoring module 4 detects the connection of the wiring harness loop (first loop) of the main power supply 3 and sends the battery circuit on-off status signal (first loop detection result) to the isolator 2; the second battery monitoring module 6 detects the connection of the wiring harness loop (second loop) of the redundant power supply 5 and sends the battery circuit on-off status signal (second loop detection result) to the isolator 2;

[0129] If the main power supply 3 and redundant power supply 5 circuits (first circuit detection results and second circuit detection results) are both conductive, then when the power mode is switched from CRANK to ON / OFF mode, the isolation switch 204 of the isolator 2 is switched from closed to open; if one of the battery circuits is disconnected, then when the power mode is switched from CRANK to ON / OFF mode, the isolation switch 204 of the isolator 2 continues to remain closed.

[0130] To facilitate after-sales maintenance, an after-sales mode can be set. When entering the after-sales maintenance mode, the first circuit corresponding to the main power supply 3 and the second circuit corresponding to the redundant power supply 5 can be individually controlled to be on and off according to the actual needs of the vehicle.

[0131] The power supply system of the above embodiment is used to implement the corresponding power supply processing method in any of the above embodiments, and has the beneficial effects of the corresponding method embodiment, which will not be described in detail here.

[0132] Based on the same inventive concept, the present application also provides a vehicle, wherein the vehicle includes a power supply system as described in the above embodiment.

[0133] Based on the same inventive concept, corresponding to any of the above-mentioned embodiment methods, the present application also provides a computer-readable storage medium, which stores computer instructions, and the computer instructions are used to enable a computer to execute the power supply processing method of any of the above embodiments.

[0134] The computer-readable media of this embodiment include permanent and non-permanent, removable and non-removable media that can be used to store information by any method or technology. The information can be computer-readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, read-only compact disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device.

[0135] The computer instructions stored in the storage medium of the above embodiment are used to enable the computer to execute the power supply processing method of any of the above embodiments, and have the beneficial effects of the corresponding method embodiments, which will not be repeated here.

[0136] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present application (including the claims) is limited to these examples. Within the scope of the present application, the technical features of the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of different aspects of the above embodiments of the present application, which are not provided in detail for the sake of simplicity.

[0137] In addition, for simplicity of description and discussion, and in order not to make the embodiment of the application difficult to understand, the known power supply / ground connection with integrated circuit (IC) chip and other components may or may not be shown in the accompanying drawings provided. In addition, the device can be shown in the form of a block diagram to avoid making the embodiment of the application difficult to understand, and this also takes into account the following fact, that is, the details of the embodiment of these block diagram devices are highly dependent on the platform to be implemented in the embodiment of the application (that is, these details should be fully within the scope of understanding of those skilled in the art). When specific details (for example, circuit) are set forth to describe exemplary embodiments of the application, it will be apparent to those skilled in the art that the embodiment of the application can be implemented without these specific details or when these specific details are changed. Therefore, these descriptions should be considered to be illustrative rather than restrictive.

[0138] Although the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those skilled in the art based on the foregoing description. For example, other memory architectures (e.g., dynamic RAM (DRAM)) may utilize the embodiments discussed.

[0139] The embodiments of the present application are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the embodiments of the present application should be included in the scope of protection of this application.

Claims

1. A power supply processing method, characterized in that: A first microcontroller is applied to a power supply system, the power supply system includes a power generation device, and a main power supply and a redundant power supply respectively connected to the power generation device, the main power supply is connected to a main load to form a first loop, the redundant power supply is connected to a redundant load to form a second loop, the main power supply and the redundant power supply are connected via an isolator, the isolator includes a first microcontroller and an isolating switch, and the method includes: Receiving a first loop detection result and a second loop detection result, wherein the first loop detection result is on / off information of the first loop, and the second loop detection result is on / off information of the second loop; In response to determining that at least one of the first loop detection result and the second loop detection result is disconnected, the isolation switch is controlled to close to supply power to the main load and the redundant load through the power generation device, the main power supply or the redundant power supply.

2. The method according to claim 1, characterized in that: The controlling the isolation switch to close so as to supply power to the main load and the redundant load through the power generation device, the main power supply or the redundant power supply comprises: In response to determining that the power mode is in the on state, controlling the isolation switch to be closed to supply power to the main load and the redundant load through the main power supply or the redundant power supply; In response to determining that the power mode is in a high voltage power-on state, the isolation switch is controlled to close so as to supply power to the main load and the redundant load through the power generation device, and to charge the main power supply and the redundant power supply through the power generation device.

3. The method according to claim 1, characterized in that: Also includes: In response to determining that both the first loop detection result and the second loop detection result are conductive, the isolation switch is controlled to be disconnected to disconnect the main power supply from the redundant power supply, and the main power supply supplies power to the main load and the redundant power supply supplies power to the redundant load.

4. The method according to claim 1, characterized in that Also includes: In response to determining that the power mode is in the off state, the isolation switch is controlled to be opened to disconnect the main power supply from the redundant power supply.

5. The method according to claim 1, characterized in that The isolator further comprises a switch driving chip, the first microcontroller is connected to the switch driving chip, and the switch driving chip is connected to the isolating switch; The controlling the isolating switch to close comprises: A switch closing signal is generated and sent to the switch driving chip, so that the switch driving chip receives the switch closing signal and closes the isolation switch based on the switch closing signal.

6. The method according to claim 1, characterized in that The isolator further includes a switch state monitoring chip, the first microcontroller is connected to the switch state monitoring chip, and the switch state monitoring chip is connected to the isolating switch; the method further includes: Receiving the switch status information sent by the switch status monitoring chip, and determining the execution status according to the switch status information and the switch control signal; In response to determining that the execution state is not executed, the isolation switch is controlled according to the switch control signal; wherein the switch control signal is a switch closing signal or a switch opening signal.

7. The method according to claim 6, characterized in that The input end of the switch state monitoring chip is connected to the output end of the isolation switch, the output end of the switch state monitoring chip is connected to the input end of the first microcontroller, and the switch state monitoring chip is a voltage monitoring chip or a current monitoring chip.

8. The method according to claim 1, characterized in that The main power supply includes a first sampling resistor and a second microcontroller, and the first sampling resistor is arranged in a first power supply loop; the redundant power supply includes a second sampling resistor and a third microcontroller, and the second sampling resistor is arranged in a second power supply loop; The on / off information of the first circuit is determined by the second microcontroller according to the first electrical information corresponding to the first sampling resistor collected; the on / off information of the second circuit is determined by the third microcontroller according to the second electrical information corresponding to the second sampling resistor collected.

9. The method according to claim 1, characterized in that: After receiving the first loop detection result and the second loop detection result, the method further includes: A power usage identifier is generated according to the first loop detection result and the second loop detection result, and the power usage identifier is sent to the vehicle controller; wherein the power usage identifier includes a usage identifier of the main power supply and a usage identifier of the redundant power supply.

10. The method according to claim 1, characterized in that The power supply system further includes a loop detection device, which is communicatively connected to the first microcontroller, and the receiving of the first loop detection result and the second loop detection result includes: receiving the on / off information of the first circuit and the second circuit sent by the circuit detection device, and determining the first circuit detection result and the second circuit detection result according to the on / off information of the first circuit and the second circuit; Secondary circuit test results.

11. The method according to claim 10, characterized in that The receiving the on / off information of the first loop and the second loop sent by the loop detection device, and determining the first loop detection result and the second loop detection result according to the on / off information of the first loop and the second loop, comprises: Receiving a first loop current value and a second loop current value sent by the loop detection device; A first loop detection result is determined according to the first loop current value, and a second loop detection result is determined according to the second loop current value.

12. The method according to claim 1, characterized in that Also includes: The charge and discharge status of the main power supply and the charge and discharge status of the redundant power supply are acquired, and the isolation switch is controlled to be disconnected according to the charge and discharge status of the main power supply and the charge and discharge status of the redundant power supply.

13. The method according to claim 12, characterized in that The step of controlling the isolation switch to disconnect according to the charge and discharge status of the main power supply and the charge and discharge status of the redundant power supply comprises: In response to determining that the charge-discharge state of the main power supply is a charging state and the discharge state of the redundant power supply is a discharging state, controlling the isolation switch to be disconnected; or, In response to determining that the charge-discharge state of the main power supply is a discharge state and the charge-discharge state of the redundant power supply is a charge state, the isolation switch is controlled to be disconnected.

14. A power supply system, characterized in that: include: A power generation device, a main power supply, a redundant power supply, a main load, a redundant load and an isolator; the power generation device is connected to the main power supply and the redundant power supply respectively, the main power supply is connected to the main load to form a first loop, the redundant power supply is connected to the redundant load to form a second loop, the main power supply and the redundant power supply are connected through an isolator, and the isolator includes a first microcontroller and an isolating switch; The first microcontroller is used to execute the power supply processing method as described in any one of claims 1-13.

15. A vehicle, characterized in that: The vehicle comprises the power supply system of claim 14.

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