Anti-power-down method, system and equipment for anti-radiation emergency armored car and medium

Abstract

The invention relates to the technical field of power failure prevention, in particular to a power failure prevention method, system and device for an anti-radiation emergency armored car and a medium. According to the power failure prevention method based on real-time monitoring and intelligent management provided by the invention, the accuracy and timeliness of power supply state monitoring are improved by simultaneously monitoring power supply parameters in two dimensions of voltage and current; a time point recording mechanism is introduced, and a power-off control strategy based on the duration for the flameout state of the engine is adopted, so that the problem of abnormal power supply can be found in time, and the continuity and reliability of a nuclear radiation detection task are effectively guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of power failure prevention, and in particular to a power failure prevention method, system, equipment and medium for a radiation-proof emergency armored vehicle. Background Art

[0002] During nuclear radiation accidents and post-disaster treatment, professional radiation-proof emergency armored vehicles are needed to enter radiation areas to perform detection tasks. These vehicles are equipped with a large number of sophisticated radiation monitoring equipment and protective equipment, and require a stable and reliable power supply system to ensure the normal operation of various equipment and to continuously obtain and transmit radiation data.

[0003] In the prior art, radiation-proof emergency armored vehicles usually use the engine pulley to drive the generator in the cabin to generate electricity. In order to deal with power supply abnormalities, armored vehicles are equipped with backup batteries, but due to the lack of effective power supply monitoring and management mechanisms, the power supply reliability of on-board equipment is difficult to guarantee, and this situation needs to be further improved. Summary of the invention

[0004] In order to solve the problem that the power supply reliability of the existing radiation-proof emergency armored vehicle is difficult to ensure, the present application provides a radiation-proof emergency armored vehicle anti-power-off method, system, device and medium, which adopts the following technical solutions: In a first aspect, the present application provides a method for preventing power failure of a radiation-proof emergency armored vehicle, wherein the armored vehicle includes a main power supply system and a backup power supply system, and the method includes the following steps: The output voltage value of the main power supply system and the working current value of each on-board electrical equipment are detected in real time through the monitoring and management system; When it is detected that the output voltage value deviates from the preset voltage threshold range or the working current value of each device deviates from the corresponding preset current threshold range, the current time point is recorded and a power supply switching instruction is generated to switch the power supply system from the main power supply system to the backup power supply system; When the engine is turned off, the power supply duration after switching is detected, and when the power supply duration reaches a preset time threshold, a power-off instruction is generated.

[0005] By adopting the above technical scheme, armored vehicles often encounter extreme situations of engine shutdown when performing detection tasks in radiation areas. If the backup power supply system cannot be effectively managed at this time, it is easy to cause power failure of on-board equipment, resulting in serious consequences such as interruption of detection data and failure of protective equipment. The present application proposes a power-off prevention method based on real-time monitoring and intelligent management, which improves the accuracy and timeliness of power supply status monitoring by simultaneously monitoring the power supply parameters of voltage and current. The introduction of a time point recording mechanism and a duration-based power-off control strategy for the engine shutdown state can timely detect power supply abnormalities and effectively ensure the continuity and reliability of nuclear radiation detection tasks.

[0006] Optionally, the output voltage value of the main power supply system and the working current value of each on-board electrical device are detected in real time through a monitoring management system, which specifically includes the following steps: Continuously collecting multiple groups of output voltage sampling values ​​and working current sampling values ​​within a preset sampling time interval; Calculating the change rates of the plurality of groups of output voltage sampling values ​​and the change rates of the operating current sampling values; When any change rate exceeds the corresponding preset change rate threshold, the preset sampling time interval is shortened and the sampling frequency is increased.

[0007] By adopting the above-mentioned technical scheme, since the radiation-proof emergency armored vehicle may encounter electromagnetic interference or sudden changes in equipment load when performing tasks, if a fixed-frequency sampling method is adopted, it is easy to miss the key fluctuation moments, resulting in the failure to detect power supply abnormalities in time; this application first establishes a change rate analysis mechanism based on multiple sets of sampling data to calculate the dynamic change trend of voltage and current parameters in real time; when it is found that the parameter change rate exceeds the threshold, the system will automatically increase the sampling frequency, thereby tracking the abnormal state, which not only solves the problem that the traditional fixed sampling frequency is difficult to adapt to complex working conditions, but also achieves a balance between monitoring accuracy and system resource utilization efficiency by intelligently adjusting the sampling interval.

[0008] Optionally, after recording the current time point and generating a power supply switching instruction to switch the power supply system from the main power supply system to the backup power supply system, the method further includes the following steps: Real-time detection of the remaining power of the backup power supply system; Calculate the sustainable power supply duration according to the remaining power; When the sustainable power supply duration is less than a preset time threshold, an early warning message is sent to the monitoring management system.

[0009] By adopting the above technical solution, due to the particularity of nuclear radiation detection tasks, once the backup power supply system is switched, if the remaining available time cannot be accurately predicted, it is easy to cause accidental power outages in the vehicle during the evacuation process. For example, when performing long-distance nuclear contaminated area inspection tasks, if the backup power supply is exhausted and the protective equipment fails, it will bring serious safety hazards to the executors; this application monitors the remaining power of the backup power supply system in real time, combines the current equipment load conditions, and dynamically calculates the sustainable power supply time; when the estimated sustainable power supply time is lower than the safety threshold, it promptly issues an early warning message to reserve sufficient time for the vehicle to adjust the mission plan or evacuate in time, effectively ensuring the safety and controllability of the nuclear radiation detection task.

[0010] Optionally, the method further comprises the following steps: Obtain historical power consumption data of various on-board electrical devices; Based on the historical electricity consumption data, a device electricity consumption characteristic model is established to calculate the electricity consumption impact coefficient of each device; Performing hierarchical management on-board electrical equipment according to the power consumption impact coefficient and generating a power supply priority list for the equipment; A differentiated power supply strategy is executed according to the device power supply priority list.

[0011] By adopting the above technical scheme, the armored vehicle is equipped with multiple types of equipment such as radiation detection, communication transmission, environmental monitoring, and protection control. The importance and power demand of these devices under different working conditions vary significantly. This application first collects and analyzes the historical power consumption data of the equipment to establish a mathematical model that reflects the power consumption characteristics of the equipment. The concept of power consumption impact coefficient is introduced to dynamically divide the power supply priority of the equipment by quantifying the contribution of each device to the overall task. Finally, differentiated power supply strategies are implemented according to the priority list. The problem of unreasonable resource allocation in traditional power supply methods is solved, and the continuous operation of key equipment is ensured through intelligent power supply strategy optimization, thereby significantly improving the task execution capability and energy utilization efficiency of armored vehicles in complex environments.

[0012] Optionally, the method further comprises the following steps: Obtain the current output power of the backup power supply system; Calculate the total available power value of the backup power supply system according to the current output power; Implementing a differentiated power supply strategy for on-board electrical equipment according to power supply priorities, wherein the power supply priorities include a first priority, a second priority, and a third priority; The differentiated power supply strategy includes: The first priority equipment maintains rated power supply; The second priority device performs power limitation according to the remaining power, wherein the power value after limitation does not exceed the maximum allowable power value determined according to the total available power value; The third priority device is shut down when the system power margin is insufficient or the power is lower than the preset power threshold; The system power margin is the difference between the total available power value and the actual power of each priority device, and the system power margin is always kept greater than a preset safety value.

[0013] By adopting the above technical scheme, due to the significant differences in the importance of different on-board equipment in nuclear radiation detection tasks, simple balanced power supply or extensive power control often cannot meet actual needs; this application first establishes a dynamic power budget benchmark by real-time calculation of the total available power of the backup power supply system; then divides the on-board equipment into three priorities, and designs a unique power supply strategy for each priority - the first priority equipment guarantees full power operation, the second priority equipment implements dynamic power limitation, and the third priority equipment is flexibly adjusted according to the system margin; at the same time, the system power margin is introduced to ensure that the system always maintains a safe operating margin through continuous monitoring; it solves the problem of extensive resource allocation in traditional power supply methods, and through power management strategies, the optimal operation of on-board equipment under limited power conditions is achieved, thereby significantly improving the mission support capability and power utilization efficiency of armored vehicles in emergency situations.

[0014] Optionally, the method further comprises the following steps: Obtain the remaining mission time of the armored vehicle and the sustainable power supply time of the backup power supply system; Calculating the ratio of the remaining task duration to the sustainable power supply duration; When the remaining task duration is greater than the sustainable power supply duration, the maximum allowable power value of the second priority device is reduced to a preset ratio of the original value, the preset power threshold is increased, and the preset safety value of the system power margin is increased; When the remaining task duration is less than the sustainable power supply duration, the maximum allowable power value, the preset power threshold and the preset safety value of the system power margin are restored to the original values; wherein the preset ratio is adjusted according to the ratio of the remaining task duration to the sustainable power supply duration.

[0015] By adopting the above technical solution, when the armored vehicle performs inspection tasks in complex terrain areas, if the power consumption strategy is not adjusted according to the actual remaining task volume, the completion of later tasks may be affected due to excessive loose power consumption in the early stage; this application first establishes a task completion risk assessment mechanism by comparing the remaining task duration and the sustainable power supply duration in real time; when it is found that the task duration exceeds the power supply capacity, parameter linkage adjustment is performed, including lowering the power limit of the second priority equipment, increasing the power off trigger threshold and increasing the system power safety margin; at the same time, the power supply parameters are dynamically adjusted based on the duration ratio; it not only solves the problem that the traditional fixed parameter power supply solution is difficult to adapt to task changes, but also ensures that limited power resources can support the completion of the entire task through intelligent power supply strategy adjustment, thereby significantly improving the task adaptability and power supply reliability of armored vehicles in complex environments.

[0016] In a second aspect, the present application provides a radiation protection emergency armored vehicle anti-power-off system, comprising: Main power supply system and backup power supply system; A monitoring and management system, used to detect the output voltage value of the main power supply system and the working current value of each on-board electrical device in real time; A power supply switching unit, configured to record the current time point and generate a power supply switching instruction to switch the power supply system from the main power supply system to the backup power supply system when it is detected that the output voltage value deviates from the preset voltage threshold range or the working current value of each device deviates from the corresponding preset current threshold range; The power-off management unit is used to detect the power supply duration after switching when the engine is turned off, and generate a power-off instruction when the power supply duration reaches a preset time threshold.

[0017] In a third aspect, the present application provides an electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the above-mentioned radiation-proof emergency armored vehicle anti-power-off method when executing the computer program.

[0018] In a fourth aspect, the present application provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the above-mentioned radiation-proof emergency armored vehicle anti-power-off method.

[0019] In summary, the present application includes at least one of the following beneficial technical effects: 1. This application proposes a power-off prevention method based on real-time monitoring and intelligent management. By simultaneously monitoring the power supply parameters of voltage and current, the accuracy and timeliness of power supply status monitoring are improved. The time point recording mechanism is introduced, and the power-off control strategy based on the duration of the engine shutdown state can timely detect power supply abnormalities and effectively ensure the continuity and reliability of nuclear radiation detection tasks. 2. Since radiation-proof emergency armored vehicles may encounter electromagnetic interference or sudden changes in equipment load when performing tasks, if a fixed-frequency sampling method is used, it is easy to miss the key fluctuation moment, resulting in the failure to detect power supply anomalies in time; this application first establishes a change rate analysis mechanism based on multiple sets of sampling data to calculate the dynamic change trend of voltage and current parameters in real time; when it is found that the parameter change rate exceeds the threshold, the system will automatically increase the sampling frequency, thereby tracking the abnormal state, which not only solves the problem that the traditional fixed sampling frequency is difficult to adapt to complex working conditions, but also achieves a balance between monitoring accuracy and system resource utilization efficiency by intelligently adjusting the sampling interval; 3. Armored vehicles are equipped with multiple types of equipment such as radiation detection, communication transmission, environmental monitoring, and protection control. The importance and power demand of these devices under different working conditions vary significantly. This application first collects and analyzes the historical power consumption data of the equipment to establish a mathematical model that reflects the power consumption characteristics of the equipment; introduces the concept of power consumption impact coefficient, and realizes the dynamic division of equipment power supply priorities by quantifying the contribution of each device to the overall task; finally, implements differentiated power supply strategies based on the priority list; solves the problem of unreasonable resource allocation in traditional power supply methods, and ensures the continuous operation of key equipment through intelligent power supply strategy optimization, thereby significantly improving the mission execution capability and energy utilization efficiency of armored vehicles in complex environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a flow chart of a method for preventing power failure of a radiation-proof emergency armored vehicle according to an embodiment of the present application; Figure 2 It is a flow chart of step S110 in a method for preventing power failure of a radiation-proof emergency armored vehicle according to an embodiment of the present application; Figure 3 It is a flow chart of step S120 in a method for preventing power failure of a radiation-proof emergency armored vehicle according to an embodiment of the present application; Figure 4 It is a flowchart of dividing priorities in a method for preventing power failure of a radiation-proof emergency armored vehicle according to an embodiment of the present application; Figure 5 It is a flow chart of differentiated power supply in a method for preventing power failure of a radiation-proof emergency armored vehicle according to an embodiment of the present application; Figure 6 It is a flow chart of adjusting the power usage strategy in a method for preventing power failure of a radiation-proof emergency armored vehicle according to an embodiment of the present application; Figure 7 This is a module schematic diagram of a radiation protection emergency armored vehicle anti-power-off system according to an embodiment of the present application; Figure 8 It is a diagram of the internal structure of an electronic device according to an embodiment of the present application. DETAILED DESCRIPTION

[0021] The terms used in the following embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to be used as limitations to the present application. As used in the specification and appended claims of the present application, the singular expressions "one", "a kind of", "said", "above", "the" and "this" are intended to also include plural expressions, unless there is a clear indication to the contrary in the context. It should also be understood that the term "and / or" used in the present application refers to any or all possible combinations comprising one or more listed items.

[0022] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as suggesting or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features, and in the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.

[0023] The embodiments of the present application are further described in detail below in conjunction with the drawings in the specification.

[0024] In the first aspect, the present application provides a method for preventing power failure of a radiation-proof emergency armored vehicle, wherein the armored vehicle includes a main power supply system and a backup power supply system. Figure 1 , the method comprises the following steps: S110, detecting the output voltage value of the main power supply system and the operating current value of each onboard electrical device in real time through the monitoring management system.

[0025] The main power supply system includes a generator and a main battery, and the monitoring and management system collects data through voltage sensors and current sensors distributed throughout the vehicle. The onboard electrical equipment mainly includes key load equipment such as radiation detection equipment, communication equipment, environmental monitoring equipment, and protection control equipment.

[0026] Specifically, the monitoring and management system uses a 24V power supply system and collects the output voltage of the main power supply system and the working current of each device in real time through the CAN bus. The voltage sampling accuracy is 0.1V, the current sampling accuracy is 0.1A, and the sampling frequency can be set to 1 time / second. The monitoring and management system compares the collected data with the pre-set threshold to detect power supply anomalies in a timely manner.

[0027] S120. When it is detected that the output voltage value deviates from the preset voltage threshold range or the operating current value of each device deviates from the corresponding preset current threshold range, the current time point is recorded and a power supply switching instruction is generated to switch the power supply system from the main power supply system to the backup power supply system.

[0028] The preset current threshold range of each device is determined according to its rated working current, generally 70% to 130% of the rated current. When the detection parameter exceeds the threshold range, it indicates that the main power supply system may have a fault or load abnormality.

[0029] Specifically, after detecting an abnormality, the monitoring and management system first records the current timestamp for subsequent fault analysis. Then it sends a switching instruction to the power supply switching unit, which completes the switch from the main power supply system to the backup power supply system within 20ms by controlling the relay group. The switching process ensures uninterrupted power supply to the equipment.

[0030] S130: Detect the power supply duration after switching when the engine is turned off, and generate a power-off instruction when the power supply duration reaches a preset time threshold.

[0031] The preset time threshold can be set according to the mission requirements, usually set to 4 hours. The system records the power supply duration after switching through a real-time timer and compares it with the preset time threshold. When the engine is turned off, in order to avoid excessive discharge of the backup power supply system, power-off protection needs to be performed at an appropriate time.

[0032] Specifically, after receiving the power-off command, the power-off management unit first sends an early warning message to the monitoring management system, leaving 30 seconds for the operation response time. If there is no manual intervention, the power supply of each device is cut off step by step according to the preset sequence. For important data, the system will automatically back up and store it before the power is cut off.

[0033] In one embodiment, referring to Figure 2 In step S110, the output voltage value of the main power supply system and the working current value of each on-board electrical device are detected in real time through the monitoring management system, which specifically includes the following steps: S111. Continuously collect multiple groups of output voltage sampling values ​​and working current sampling values ​​within a preset sampling time interval.

[0034] The preset sampling time interval is initially set to 1 second, and 10 sets of data are continuously collected in each sampling time interval. The output voltage sampling value and the working current sampling value are collected through a high-precision digital-to-analog converter with sampling accuracy of 16 bits and 12 bits respectively to ensure the accuracy of the data.

[0035] Specifically, the monitoring and management system collects data in real time through the distributed data acquisition module. In each sampling cycle, the system first checks the sensor status to ensure the validity of the data. The collected data includes the voltage value at the output end of the main power supply system and the working current value of each electrical device.

[0036] S112, calculating the change rates of multiple groups of output voltage sampling values ​​and the change rates of working current sampling values.

[0037] The rate of change is calculated using the differential method, which calculates the ratio of the change between two adjacent sets of sampling values ​​to the time interval. To reduce the impact of accidental fluctuations, the system performs a weighted average of the last five sets of rate of change data, with the newer data having a greater weight to avoid misjudgment due to instantaneous fluctuations.

[0038] Specifically, the system uses a sliding window method to continuously calculate the change rate, and the window size is 5 sampling periods. For weighted average calculation, the weight of the most recent data is 0.4, and the previous ones are 0.3, 0.15, 0.1, and 0.05, respectively, reflecting the dynamic change characteristics of the parameters.

[0039] S113. When any change rate exceeds the corresponding preset change rate threshold, shorten the preset sampling time interval and increase the sampling frequency.

[0040] The preset change rate threshold is determined according to the parameter fluctuation range when the system is working normally. The voltage change rate threshold is set to 0.5V / s, and the current change rate threshold varies depending on the device and is generally set to 20% / s of the rated current. When the change rate is detected to exceed the threshold, it indicates that the system may have abnormal fluctuations and the sampling frequency needs to be increased.

[0041] Specifically, when any rate of change exceeds the threshold, the system adjusts the sampling time interval to 500ms, 200ms, and 100ms, and the corresponding sampling frequency is increased to 2Hz, 5Hz, and 10Hz. The sampling frequency is adjusted gradually to avoid excessive system burden due to sudden changes in the sampling frequency. When the rate of change does not exceed the threshold for 10 consecutive sampling cycles, the sampling frequency gradually returns to the initial state.

[0042] In one embodiment, referring to Figure 3 In step S120, after recording the current time point and generating a power supply switching instruction, and switching the power supply system from the main power supply system to the backup power supply system, the method further includes the following steps: S121. Detect the remaining power of the backup power supply system in real time.

[0043] The backup power supply system is mainly composed of backup battery packs, which use lithium iron phosphate batteries. The system monitors the voltage, current, temperature and other parameters of the battery pack in real time through the battery management system, and calculates the remaining power based on these parameters. During the monitoring process, the number and depth of battery charge and discharge are also recorded to evaluate the battery health status.

[0044] Specifically, the BMS uses the coulomb counting method combined with the open circuit voltage method to measure the remaining power. The system collects battery status data every 30 seconds, including single cell voltage, charge and discharge current, battery surface temperature, etc. For the collected data, the system first verifies the validity, removes abnormal values, and then calculates the actual remaining power based on the battery characteristic curve and temperature compensation algorithm.

[0045] S122, calculating the sustainable power supply duration according to the remaining power.

[0046] The calculation of sustainable power supply duration needs to take into account the current load power, remaining battery capacity and ambient temperature. The system establishes a power load model based on historical data, which includes typical power consumption characteristics under different working modes. By comparing the real-time load current with the remaining power, combined with the load model, the remaining power supply time is predicted.

[0047] Specifically, assuming that the current remaining power is Q (Ah), the average load current is I (A), and the temperature influence coefficient is k (related to the ambient temperature), the sustainable power supply time is T = (Q × k) / I. The system updates the calculation results once a minute and performs a sliding average of the prediction results for the last 10 minutes to improve the prediction accuracy. The temperature influence coefficient k varies with temperature and ranges from 0.7 to 1.1 in the range of -20°C to 50°C. At the same time, the system will dynamically adjust the capacity attenuation coefficient according to the usage time and number of cycles of the battery pack to make the prediction results more accurate.

[0048] S123: When the sustainable power supply duration is less than a preset time threshold, send an early warning message to the monitoring management system.

[0049] The preset time threshold is determined based on the safety margin of the armored vehicle's mission and is usually set to 60 minutes. When the predicted sustainable power supply time is close to or less than the threshold, it indicates that the backup power supply system is about to enter a dangerous state and timely measures need to be taken. The warning information includes the remaining power, the expected sustainable time, and the recommended measures.

[0050] Specifically, the system adopts a three-level early warning mechanism: when the sustainable power supply time is less than 90 minutes, a primary early warning is issued, displaying a yellow warning; when it is less than 60 minutes, an intermediate early warning is issued, displaying an orange warning and activating an audible and visual alarm; when it is less than 30 minutes, a high-level early warning is issued, displaying a red warning, and forcibly shutting down non-critical loads. Early warning information is presented in a variety of ways such as display screens, indicator lights, and buzzers to ensure that operators can be informed in a timely manner. The system also automatically records various parameters during the early warning process for subsequent analysis and optimization.

[0051] In one embodiment, referring to Figure 4 , the method further comprises the following steps: S410: Obtain historical power consumption data of various onboard electrical devices.

[0052] The historical electricity consumption data includes the electricity consumption records of on-board electrical equipment under different working modes and environmental conditions. The main collected parameters include the working voltage, current, power factor, startup characteristics and load change rules of each device. The data collection time span is nearly 3 months, covering the operating status of armored vehicles in various mission scenarios.

[0053] Specifically, the system regularly records the power consumption data of each device through the data acquisition module, with a sampling interval of 5 minutes. For devices with large starting current, a high-speed sampling mode is used during the startup phase, and the sampling frequency is increased to 100Hz. The collected data is classified and stored according to dimensions such as device type, working mode, and ambient temperature. At the same time, the working status information of the device is recorded, including startup time, operating time, and fault records.

[0054] S420: Based on the historical electricity consumption data, establish an equipment electricity consumption characteristic model and calculate the electricity consumption impact coefficient of each device.

[0055] The power consumption characteristic model adopts a multi-dimensional analysis method, taking into account the average power consumption, peak power, startup characteristics and load stability of the equipment. The power consumption impact coefficient reflects the degree of influence of the equipment on the power supply system and is an important basis for hierarchical management of equipment.

[0056] S430: Perform hierarchical management on the vehicle-mounted electrical equipment according to the power consumption impact coefficient, and generate a device power supply priority list.

[0057] Among them, the equipment classification management adopts a three-level system, namely critical level, important level and ordinary level. The classification process comprehensively considers the power consumption impact coefficient, functional importance and task relevance of the equipment. The power supply priority list is dynamically updated and can be automatically adjusted according to task requirements and system status.

[0058] Specifically, when the power consumption impact coefficient C ≥ 0.8, it is classified as critical, including radiation detection systems and communication systems; 0.5 ≤ C < 0.8 is classified as important, including environmental monitoring equipment and data processing units; C < 0.5 is classified as ordinary, including auxiliary lighting and ventilation equipment. The system updates the priority list once a day and makes temporary adjustments before special tasks begin. In addition to the basic priority, the list also includes parameters such as the minimum operating power requirements of the equipment and the allowable power outage time.

[0059] S440: Execute a differentiated power supply strategy according to the device power supply priority list.

[0060] Among them, the differentiated power supply strategy is formulated according to the device priority and system power supply capacity. Under normal power supply conditions, all devices are powered on demand; when the power supply capacity is limited, power restriction measures are implemented step by step according to the priority.

[0061] In one embodiment, referring to Figure 5 , the method further comprises the following steps: S510: Obtain the current output power of the backup power supply system.

[0062] S520: Calculate the total available power value of the backup power supply system according to the current output power.

[0063] Among them, the system established a power prediction model based on neural network, which was trained through historical operation data to predict the available power under different operating conditions.

[0064] S530. Implement a differentiated power supply strategy for the vehicle-mounted electrical equipment according to the power supply priority.

[0065] The differentiated power supply strategy is formulated based on device priority and power demand, and is divided into three states: normal mode, energy-saving mode, and emergency mode. The system automatically selects the appropriate power supply mode through real-time power monitoring and load analysis.

[0066] Among them, the power supply priority includes the first priority, the second priority and the third priority; Differentiated power supply strategies include: The first priority equipment maintains rated power supply; The second priority device performs power limitation according to the remaining power, wherein the power value after limitation does not exceed the maximum allowable power value determined according to the total available power value; The third priority device is shut down when the system power margin is insufficient or the power is lower than the preset power threshold; The system power margin is the difference between the total available power value and the actual power of each priority device. The system power margin always remains greater than the preset safety value.

[0067] In one embodiment, referring to Figure 6 , the method further comprises the following steps: S610. Obtain the remaining mission duration of the armored vehicle and the sustainable power supply duration of the backup power supply system.

[0068] The remaining mission time of the armored vehicle is obtained through the mission management system, which integrates the mission progress assessment module and the path planning module. The sustainable power supply time of the backup power supply system is calculated based on the current remaining power and load power.

[0069] Specifically, the task management system updates the remaining task duration every 5 minutes, and the calculation formula is Tr=Td×(1-Rp)+Te, where Td is the standard task duration, Rp is the task completion rate, and Te is the estimated delay time. The sustainable power supply duration Ts is calculated based on the current remaining power Q and the average power consumption P: Ts=Q×η / P, where η is the energy conversion efficiency coefficient. The system performs a sliding average on the data of the last hour to reduce the impact of instantaneous fluctuations, and calibrates the calculation results based on historical data.

[0070] S620: Calculate the ratio of the remaining task duration to the sustainable power supply duration.

[0071] The ratio calculation adopts the adaptive time window method to dynamically adjust the calculation cycle according to the task characteristics. The system sets multiple ratio threshold points to trigger different levels of energy-saving strategies.

[0072] Specifically, the duration ratio K = Tr / Ts, and its weight coefficient is adjusted by the task importance factor α and the power supply reliability factor β: K' = K × α × β. When the armored vehicle performs an emergency task, α takes a value of 1.2; when performing a routine task, α takes a value of 1.0. The power supply reliability factor β is related to the battery health status and has a value range of 0.8-1.2.

[0073] S630: When the remaining task duration is greater than the sustainable power supply duration, the maximum allowable power value of the second priority device is reduced to a preset ratio of the original value, the preset power threshold is increased, and the preset safety value of the system power margin is increased.

[0074] The preset ratio is adjusted according to the ratio of the remaining task duration to the sustainable power supply duration.

[0075] S640: When the remaining task duration is less than the sustainable power supply duration, the maximum allowable power value, the preset power threshold, and the preset safety value of the system power margin are restored to the original values.

[0076] It should be understood that the size of the serial numbers of the steps in the above embodiments does not 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 embodiments of the present application.

[0077] In the second aspect, the present application provides a radiation-proof emergency armored vehicle anti-power-off system. The radiation-proof emergency armored vehicle anti-power-off system of the present application is described below in combination with the above-mentioned radiation-proof emergency armored vehicle anti-power-off method.

[0078] Reference Figure 7 , a radiation protection emergency armored vehicle anti-power-off system, comprising: Main power supply system and backup power supply system; Monitoring and management system, used to detect the output voltage value of the main power supply system and the working current value of each on-board electrical equipment in real time; A power supply switching unit is used to record the current time point and generate a power supply switching instruction to switch the power supply system from the main power supply system to the backup power supply system when it detects that the output voltage value deviates from the preset voltage threshold range or the working current value of each device deviates from the corresponding preset current threshold range; The power-off management unit is used to detect the power supply duration after switching when the engine is turned off, and generate a power-off instruction when the power supply duration reaches a preset time threshold.

[0079] In one embodiment, the monitoring management system includes: A sampling unit, used to continuously collect multiple groups of output voltage sampling values ​​and working current sampling values ​​within a preset sampling time interval; A calculation unit, used for calculating the change rate of multiple groups of output voltage sampling values ​​and the change rate of working current sampling values; The sampling control unit is used to shorten the preset sampling time interval and increase the sampling frequency when any change rate exceeds the corresponding preset change rate threshold.

[0080] In one embodiment, the system further comprises: A power detection unit, used to detect the remaining power of the backup power supply system in real time; A power supply duration calculation unit, used to calculate the sustainable power supply duration according to the remaining power; The early warning unit is used to send early warning information to the monitoring and management system when the sustainable power supply time is less than a preset time threshold.

[0081] In one embodiment, the system further comprises: A data collection unit is used to obtain historical power consumption data of various on-board electrical devices; A model building unit is used to build a device power consumption characteristic model based on historical power consumption data and calculate the power consumption impact coefficient of each device; A hierarchical management unit is used to hierarchically manage vehicle-mounted electrical equipment according to the power consumption impact coefficient and generate a power supply priority list for the equipment; The power supply control unit is used to execute differentiated power supply strategies according to the device power supply priority list.

[0082] In one embodiment, the system further comprises: A power detection unit, used to obtain the current output power of the backup power supply system; A power calculation unit, used to calculate the total available power value of the backup power supply system according to the current output power; The differentiated power supply unit is used to implement a differentiated power supply strategy for the on-board electrical equipment according to the power supply priority, wherein the power supply priority includes a first priority, a second priority and a third priority; the differentiated power supply strategy includes: Maintain rated power supply to the first priority equipment; The second priority device is enabled to perform power limitation according to the remaining power, wherein the power value after limitation does not exceed the maximum allowable power value determined according to the total available power value; When the system power margin is insufficient or the power is lower than a preset power threshold, the third priority device is turned off; The system power margin is the difference between the total available power value and the actual power of each priority device. The system power margin always remains greater than the preset safety value.

[0083] In one embodiment, the system further comprises: A duration acquisition unit, used to acquire the remaining mission duration of the armored vehicle and the sustainable power supply duration of the backup power supply system; A ratio calculation unit, used to calculate the ratio of the remaining task duration to the sustainable power supply duration; A parameter adjustment unit is used to reduce the maximum allowable power value of the second priority device to a preset proportion of the original value, increase the preset power threshold, and increase the preset safety value of the system power margin when the remaining task duration is greater than the sustainable power supply duration; when the remaining task duration is less than the sustainable power supply duration, restore the maximum allowable power value, the preset power threshold and the preset safety value of the system power margin to the original value; wherein the preset proportion is adjusted according to the ratio of the remaining task duration to the sustainable power supply duration.

[0084] In one embodiment, the present application provides an electronic device, which may be a server, and its internal structure diagram may be as follows: Figure 8 As shown. The electronic device includes a processor, a memory and a network interface connected through a system bus. Among them, the processor of the electronic device is used to provide computing and control capabilities. The memory of the electronic device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the electronic device is used to store data. The network interface of the electronic device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, a method for preventing power failure of a radiation-proof emergency armored vehicle is implemented.

[0085] Those skilled in the art will understand that Figure 8 The structure shown in the figure is merely a block diagram of a partial structure related to the scheme of the present application, and does not constitute a limitation on the electronic device to which the scheme of the present application is applied. The specific electronic device may include more or fewer components than shown in the figure, or combine certain components, or have a different arrangement of components.

[0086] In one embodiment, an electronic device is further provided, including a memory and a processor, wherein a computer program is stored in the memory, and the processor implements the steps in the above method embodiments when executing the computer program.

[0087] Those of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the above-mentioned computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can 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 can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), tape, floppy disk, flash memory or optical memory, etc. Volatile memory can include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM).

[0088] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A method for preventing power failure of radiation-proof emergency armored vehicles, characterized in that: The armored vehicle includes a main power supply system and a backup power supply system, and the method includes the following steps: The output voltage value of the main power supply system and the working current value of each on-board electrical equipment are detected in real time through the monitoring and management system; When it is detected that the output voltage value deviates from the preset voltage threshold range or the working current value of each device deviates from the corresponding preset current threshold range, the current time point is recorded and a power supply switching instruction is generated to switch the power supply system from the main power supply system to the backup power supply system; When the engine is turned off, the power supply duration after switching is detected, and when the power supply duration reaches a preset time threshold, a power-off instruction is generated.

2. The radiation protection emergency armored vehicle power failure prevention method according to claim 1 is characterized in that: The monitoring and management system detects the output voltage value of the main power supply system and the working current value of each on-board electrical device in real time, including the following steps: Continuously collecting multiple groups of output voltage sampling values ​​and working current sampling values ​​within a preset sampling time interval; Calculating the change rates of the plurality of groups of output voltage sampling values ​​and the change rates of the operating current sampling values; When any change rate exceeds the corresponding preset change rate threshold, the preset sampling time interval is shortened and the sampling frequency is increased.

3. The radiation protection emergency armored vehicle power failure prevention method according to claim 1, characterized in that: After recording the current time point and generating a power supply switching instruction to switch the power supply system from the main power supply system to the backup power supply system, the method further includes the following steps: Real-time detection of the remaining power of the backup power supply system; Calculate the sustainable power supply duration according to the remaining power; When the sustainable power supply duration is less than a preset time threshold, an early warning message is sent to the monitoring management system.

4. The radiation protection emergency armored vehicle power failure prevention method according to claim 1, characterized in that: The method further comprises the steps of: Obtain historical power consumption data of various on-board electrical devices; Based on the historical electricity consumption data, a device electricity consumption characteristic model is established to calculate the electricity consumption impact coefficient of each device; Performing hierarchical management on-board electrical equipment according to the power consumption impact coefficient and generating a power supply priority list for the equipment; A differentiated power supply strategy is executed according to the device power supply priority list.

5. The radiation protection emergency armored vehicle power failure prevention method according to claim 4 is characterized in that: The method further comprises the steps of: Obtain the current output power of the backup power supply system; Calculate the total available power value of the backup power supply system according to the current output power; Implementing a differentiated power supply strategy for on-board electrical equipment according to power supply priorities, wherein the power supply priorities include a first priority, a second priority, and a third priority; The differentiated power supply strategy includes: The first priority equipment maintains rated power supply; The second priority device performs power limitation according to the remaining power, wherein the power value after limitation does not exceed the maximum allowable power value determined according to the total available power value; The third priority device is shut down when the system power margin is insufficient or the power is lower than the preset power threshold; The system power margin is the difference between the total available power value and the actual power of each priority device, and the system power margin is always kept greater than a preset safety value.

6. The radiation protection emergency armored vehicle power failure prevention method according to claim 5, characterized in that: The method further comprises the steps of: Obtain the remaining mission time of the armored vehicle and the sustainable power supply time of the backup power supply system; Calculating the ratio of the remaining task duration to the sustainable power supply duration; When the remaining task duration is greater than the sustainable power supply duration, the maximum allowable power value of the second priority device is reduced to a preset ratio of the original value, the preset power threshold is increased, and the preset safety value of the system power margin is increased; When the remaining task duration is less than the sustainable power supply duration, the maximum allowable power value, the preset power threshold and the preset safety value of the system power margin are restored to the original values; wherein the preset ratio is adjusted according to the ratio of the remaining task duration to the sustainable power supply duration.

7. A radiation protection emergency armored vehicle anti-power-off system, characterized in that: include: Main power supply system and backup power supply system; A monitoring and management system, used to detect the output voltage value of the main power supply system and the working current value of each on-board electrical device in real time; A power supply switching unit, configured to record the current time point and generate a power supply switching instruction to switch the power supply system from the main power supply system to the backup power supply system when it is detected that the output voltage value deviates from the preset voltage threshold range or the working current value of each device deviates from the corresponding preset current threshold range; The power-off management unit is used to detect the power supply duration after switching when the engine is turned off, and generate a power-off instruction when the power supply duration reaches a preset time threshold.

8. An electronic device, characterized in that: The invention comprises a memory, a processor and a computer program stored in the memory and executable on the processor, wherein when the processor executes the computer program, the steps of the method for preventing power failure of a radiation-proof emergency armored vehicle described in any one of claims 1 to 6 are implemented.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the radiation protection emergency armored vehicle power failure prevention method described in any one of claims 1-6 are implemented.

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