Electric quantity integrated detection management system for extended-range motor caravan

Abstract

The invention relates to the technical field of electric quantity detection and management, in particular to an electric quantity integrated detection and management system for an extended-range motor caravan, and the system comprises a data collection module which is used for obtaining the power consumption and power demands of upper equipment; collecting the residual electric quantity of a chassis battery, the collected data and the generated power of a chassis generator at the same time; the electric quantity health state detection module obtains a battery health coefficient according to the collected data of the chassis battery, and obtains a battery electric quantity health degree in combination with the electricity consumption and the remaining electric quantity; the electric quantity management module is provided with a discharge start-stop buffer zone and a charge start-stop buffer zone, and compares the discharge start-stop buffer zone and the charge start-stop buffer zone with the battery electric quantity health degree; adjusting the charge and discharge efficiency by using the charge adjustment coefficient and the discharge adjustment coefficient calculated in the buffer region; and the generator power generation power adjusting module adjusts the power generation power according to the power generation power adjusting factor output by the power generation power adjusting prediction model and the power generation power adjusting weight obtained through battery electric quantity health degree evaluation.

Description

Technical Field

[0001] The present invention relates to the technical field of power detection and management, and in particular to an integrated power detection and management system for an extended-range motorhome. Background Art

[0002] The extended-range RV is a RV that combines an electric drive system with a range extender. It has been loved by outdoor travelers over the years because of its strong power reserve capacity, long range and zero emission. However, long-term use of RVs will definitely affect the power supply performance of batteries and generators. In order to ensure the power supply stability of batteries and generators and optimize power distribution, it is crucial to perform power integration detection and management on extended-range RVs. This can not only improve the safety, operating efficiency and endurance of the vehicle, but also extend battery life and enhance user experience. At present, there is a lack of effective and reliable detection and management of power integration of extended-range RVs.

[0003] Therefore, an integrated detection and management system for the power of extended-range motorhome is proposed. Summary of the invention

[0004] The purpose of the present invention is to provide an integrated detection and management system for power consumption of an extended-range motorhome. The system obtains the power consumption and power demand of the upper equipment through a data acquisition module; at the same time, the remaining power and acquisition data of the chassis battery and the power generation of the chassis generator are collected; the battery health coefficient is obtained according to the collected data of the chassis battery through the power health status detection module, and the battery power health is obtained by combining the power consumption and the remaining power; the discharge start-stop buffer and the charging start-stop buffer are set by the power management module, and compared with the battery power health; the charging and discharging efficiency is adjusted by the charging regulation coefficient and the discharge regulation coefficient calculated in the buffer; the generator power adjustment module adjusts the power generation according to the power generation adjustment factor output by the power generation adjustment prediction model and the power generation adjustment weight obtained by the battery power health evaluation.

[0005] To achieve the above object, the present invention provides the following technical solutions: An integrated detection and management system for electric quantity of an extended-range motorhome comprises: The data acquisition module is used to obtain the power consumption and power demand of the upper equipment; obtain the remaining power, voltage data, current data and temperature data of the chassis battery; and obtain the power generation of the chassis generator; The power health status detection module is used to detect the power health status of the battery under operation; obtain the battery health coefficient according to the voltage data, the current data and the temperature data of the chassis battery; evaluate the battery health coefficient, the power consumption and the remaining power to obtain the battery power health within a period of time; A power management module is used to manage the start and stop and efficiency of battery charging and discharging; a discharge start and stop buffer zone and a charge start and stop buffer zone are set according to the battery power health; if the battery power health is within the buffer zone, the charge and discharge efficiency is adjusted by the charge adjustment coefficient and the discharge adjustment coefficient; otherwise, the charge and discharge efficiency is not adjusted; The generator power generation adjustment module is used to adjust the power generation of the generator; the power demand and the battery power health are input into the power generation adjustment prediction model to obtain the power generation adjustment factor; the power generation adjustment weight is obtained by combining the battery power health and the power generation adjustment factor; and the power generation of the chassis generator is adjusted using the power generation adjustment weight.

[0006] Furthermore, the voltage data, the current data and the temperature data are time series data, the power consumption and the remaining power are collected at the same time interval, and the power demand and the generated power are acquired instantaneously.

[0007] Further, the power health status detection module obtains a battery health coefficient according to the voltage data, the current data and the temperature data of the chassis battery; and the specific implementation process of evaluating the battery health coefficient, the power consumption and the remaining power to obtain the battery power health within a period of time includes: Acquire the power consumption of the upper equipment and the remaining power, the voltage data, the current data and the temperature data of the chassis battery; Using a standard battery voltage, a standard battery current and a standard battery temperature to evaluate the time-continuous voltage data, the current data and the temperature data, to obtain a time-continuous battery health factor; The battery health factor that is continuous over time is segmented according to the collection interval of the power consumption and the remaining power to obtain the battery health factor for a period of time, and an average battery health factor is calculated; The average battery health factor, the power consumption and the remaining power are evaluated to obtain the battery power health within a period of time.

[0008] Furthermore, the calculation formula of the battery power health is: ; in, The battery health level; is the battery health weight factor; and represents different moments, and Greater than ; for The battery health factor at the time; is the electricity consumption weight factor; is the electricity consumption; is the power consumption threshold; is the power consumption deviation threshold; is the remaining power weight factor; is the remaining power; is the remaining power threshold; is the remaining power deviation threshold.

[0009] Further, the power management module sets the discharge start-stop buffer zone and the charge start-stop buffer zone according to the battery power health, and compares them. If the battery power health is within the buffer zone, the specific process of adjusting the charge and discharge efficiency by the charge adjustment coefficient and the discharge adjustment coefficient includes: The discharge start-stop buffer zone and the charge start-stop buffer zone are respectively set and ;in, ; The battery power health is compared with the buffer; if the battery power health is less than , then stop discharging, otherwise start discharging; if the battery power health is greater than , then stop charging, otherwise start charging; If the battery power health is within the discharge start-stop buffer zone, the charging efficiency is adjusted according to the charging regulation coefficient; if the battery power health is within the charging start-stop buffer zone, the discharge efficiency is adjusted according to the discharge regulation coefficient.

[0010] Furthermore, the calculation formulas of the charging regulation coefficient and the discharging regulation coefficient are as follows: ; ; in, is the charging regulation coefficient; and is the limit value of the discharge start-stop buffer zone; The battery health level; is the discharge regulation coefficient; and is the limit value of the charging start-stop buffer zone.

[0011] Furthermore, the structure of the power generation regulation prediction model includes: an input layer, a feature extraction layer, a ConvLSTM prediction layer and an output layer; The input layer converts the power demand and the battery health into a feature vector; The feature extraction layer uses depth-separable convolution to extract features from feature vectors to obtain deep features; The ConvLSTM prediction layer predicts the power regulation features based on the temporal dependency and spatial information in the deep features; The output layer converts the power regulation features into the power generation regulation weights.

[0012] Further, the generator power regulation module inputs the power demand and the battery power health into the power regulation prediction model to obtain the power regulation factor; combines the battery power health and the power regulation factor to obtain the power regulation weight; and uses the power regulation weight to adjust the power of the chassis generator. The specific implementation process includes: Obtaining the power demand, the battery health, and the power generation of the chassis generator; Inputting the power demand and the battery health into the power generation adjustment prediction model to obtain the power generation adjustment factor; Evaluate the battery power health and the power generation adjustment factor to obtain the power generation adjustment weight; The power generation adjustment weight is used to multiply the power generation of the chassis generator to obtain the power generation adjustment power.

[0013] Furthermore, the calculation formula for the power generation adjustment power is: ; ; in, adjusting power for said generating of electricity; adjusting a weight for the generated power; is the power generation of the chassis generator; is the power generation adjustment factor; The battery health level; and They are the limit values ​​between the discharge start-stop buffer zone and the charge start-stop buffer zone respectively.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention proposes a battery health status detection function for detecting the battery health status when the battery is working; the function first obtains the battery health factor according to the voltage, current and temperature data of the battery, and then evaluates the battery health factor, power consumption and remaining power to obtain the battery power health within a period of time; the function can reflect the power status of the battery at every moment when it is working through the time series battery power health, and can provide a judgment basis for subsequent charge and discharge management and power generation prediction, thereby improving the effectiveness and reliability of the integrated detection management of the extended-range motorhome power.

[0015] 2. The present invention proposes a charge and discharge management function for managing the start and stop and efficiency of battery charge and discharge; this function optimizes the charge and discharge efficiency by matching the battery power health with the set discharge start and stop buffer zone and the charging start and stop buffer zone, and using the calculated charge regulation coefficient and discharge regulation coefficient according to the comparison result; this function combines the power health and the charge and discharge start and stop conditions to effectively adjust the charge and discharge efficiency, thereby improving the effectiveness and reliability of the integrated detection management of the extended-range motorhome power.

[0016] 3. The present invention proposes a generator power generation regulation function for regulating the power generation of the generator; this function obtains the power generation regulation weight by combining the power generation regulation factor predicted by the power generation regulation prediction model with the battery power health; the power generation of the chassis generator is adjusted according to the power generation regulation weight; this function uses a deep learning model to perform feature learning on power demand and battery power health, and the power generation adjustment factor obtained by prediction can accurately adjust the power generation under different battery power health states, thereby improving the effectiveness and reliability of the integrated detection management of power of the extended-range motorhome. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an integrated detection and management system for electric power of an extended-range motorhome according to the present invention; Figure 2 A schematic diagram of a flow chart of adjusting the charging and discharging efficiency of the power management module of the present invention; Figure 3 The present invention is a flow chart of an integrated detection and management system for electric power of an extended-range motorhome. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Embodiment 1 A manufacturer of extended-range motorhomes has produced an extended-range motorhome with both the battery and the generator on the base. In order to improve the power supply stability of the battery and the generator in the transportation state and optimize the power distribution, an extended-range motorhome power integrated detection and management system proposed in the present invention is used. The structure of the system can be referred to Figure 1 ,include: refer to Figure 1 The data acquisition module in the system is used to obtain the power consumption and power demand of the upper equipment; obtain the remaining power, voltage data, current data and temperature data of the chassis battery; and obtain the power generation of the chassis generator; Furthermore, voltage data, current data, and temperature data are time series data, power consumption and remaining power are collected at equal time intervals, and power demand and power generation are acquired instantaneously; Furthermore, at a certain moment, the remaining power, voltage data, current data and temperature data of the battery are collected; at the same time, the power consumption and power demand of the upper equipment and the power generation power of the chassis generator are collected. The collected data can be referred to Table 1.

[0020] Table 1. Collected data Data name Data Value Battery voltage 400V Battery Current 35A Battery temperature <![CDATA[26 o C]]> Remaining battery power 56kWh Power consumption of upper equipment 24kWh Power requirements of upper equipment 3kW Generator power 5kW By collecting relevant data from batteries, mounted equipment and generators, it is possible to provide strong data support for subsequent power health testing, charge and discharge management, and power generation adjustment, thereby improving the effectiveness and reliability of integrated power testing and management of extended-range RVs.

[0021] refer to Figure 1 The power health status detection module in the system is used to detect the power health status of the battery under operation; obtain the battery health factor according to the voltage data, current data and temperature data of the chassis battery; evaluate the battery health factor, power consumption and remaining power to obtain the battery power health within a period of time; Furthermore, the power health status detection module obtains the battery health coefficient according to the voltage data, current data and temperature data of the chassis battery; the battery health coefficient, power consumption and remaining power are evaluated to obtain the specific implementation process of the battery power health within a period of time, including: Obtain the power consumption of the upper equipment and the remaining power, voltage data, current data and temperature data of the chassis battery; Using standard battery voltage, standard battery current and standard battery temperature to evaluate time-continuous voltage data, current data and temperature data, a time-continuous battery health factor is obtained; The continuous battery health factor is segmented according to the collection interval of power consumption and remaining power to obtain the battery health factor for a period of time, and the average battery health factor is calculated; The average battery health factor, power usage, and remaining power are evaluated to obtain the battery power health over a period of time.

[0022] In this embodiment, the battery power health calculated through battery data and the power consumption of the upper equipment can reflect the power health status of the battery at all times when it is working, and can provide a judgment basis for subsequent charging and discharging management and power generation power prediction, thereby improving the effectiveness and reliability of the integrated power detection management of the extended-range motorhome.

[0023] Furthermore, the calculation formula of the battery health factor is: ; ; in, for Battery health factor at all times; is an exponential function; is the battery voltage weight; for The battery voltage at the moment; is the standard battery voltage; is the battery current weight; for The battery current at the moment; is the standard battery current; is the battery temperature weight; for Battery temperature at the moment; is the standard battery temperature.

[0024] Furthermore, the battery voltage weight, battery current weight and battery temperature weight are set to 0.3, 0.3 and 0.4 respectively; the standard battery voltage, standard battery current and standard battery temperature need to be flexibly set according to the size and model of the battery.

[0025] Furthermore, the calculation formula for battery power health is: ; in, The battery health status; is the battery health weight factor; and represents different moments, and Greater than ; for Battery health factor at all times; is the electricity consumption weight factor; For electricity consumption; is the power consumption threshold; is the power consumption deviation threshold; is the remaining power weight factor; is the remaining power; is the remaining power threshold; is the remaining power deviation threshold.

[0026] Furthermore, the battery health weight factor, power consumption weight factor and remaining power weight factor are 0.35, 0.3 and 0.35 respectively; the power consumption deviation threshold and the remaining power deviation threshold need to be adjusted according to the number and type of upper-mounted devices and the size and model of the battery.

[0027] In order to illustrate the effectiveness of the battery power health proposed in the present invention, three groups of test data from different time periods on different days are randomly selected from the data acquisition module for calculating the battery power health, which are recorded as data one, data two and data three respectively; each group of data includes the power consumption of the upper equipment and the remaining power, voltage data, current data and temperature data of the chassis battery; at the same time, the standard battery voltage, standard battery current, standard battery temperature, power deviation threshold and remaining power deviation threshold are set to 400V, 50A, 25℃, 3kWh and 5kWh respectively; combined with the calculation formula of the battery health coefficient and the battery power health, the battery power health test results are obtained, as shown in Table 2.

[0028] Table 2. Battery health test results Test Data Time period Battery health Data 1 10:00-10:30 0.62 Data 2 14:30-15:00 0.49 Data 3 19:00-19:30 0.71 The battery power health in this embodiment is obtained by comprehensively evaluating the battery health coefficient, equipment power consumption and battery remaining power. These parameters can accurately reflect the specific power status of the battery under working conditions; among them, the battery health coefficient reflects the current battery loss status with the help of the battery voltage, current and temperature conditions; combining the battery health coefficient and battery power health can effectively improve the effectiveness and reliability of the integrated power detection management of the extended-range motorhome.

[0029] refer to Figure 1 The power management module in the system is used to manage the start and stop and efficiency of battery charging and discharging. The discharge start and stop buffer zone and the charging start and stop buffer zone are set according to the battery power health, and a comparison is performed. If the battery power health is within the buffer zone, the charging and discharging efficiency is adjusted through the charging adjustment coefficient and the discharging adjustment coefficient. Further, the flow diagram of the power management module adjusting the charging and discharging efficiency can be referred to Figure 2 , the specific process is as follows: Get the battery health status; Set the discharge start-stop buffer zone and the charge start-stop buffer zone to and ;in, ; Compare the battery health with the buffer; if the battery health is less than , then stop discharging, otherwise start discharging; if the battery health is greater than , then stop charging, otherwise start charging; If the battery power health is within the discharge start-stop buffer zone, the charging efficiency is adjusted according to the charging regulation coefficient; if the battery power health is within the charging start-stop buffer zone, the discharge efficiency is adjusted according to the discharge regulation coefficient; if the battery power health is not within the buffer zone, the charging and discharging efficiency is not adjusted.

[0030] The power management module in this embodiment combines the power health status and the charging and discharging start and stop status to effectively adjust the charging and discharging efficiency. At the same time, it optimizes the charging and discharging efficiency between buffer zones according to the adjustment coefficient, thereby improving the effectiveness and reliability of the integrated detection management of the extended-range motorhome power.

[0031] Furthermore, the calculation formulas for the charging regulation coefficient and the discharging regulation coefficient are: ; ; in, is the charging regulation factor; and It is the limit value between the discharge start and stop buffer zone; The battery health status; is the discharge regulation coefficient; and It is the limit value between the charging start and stop buffer zone.

[0032] Furthermore, the limit value between the discharge start and stop buffer zone and Set to 0.25 and 0.35 respectively; limit between charging start and stop buffer zones and Set to 0.75 and 0.85 respectively.

[0033] In order to illustrate the charge and discharge efficiency adjustment function of the power management module, three groups of different data are selected from the data acquisition module, and the power health status detection module is used to calculate three battery power healths, which are recorded as sample one, sample two and sample three. The three battery power healths are input into the power management module for comparison and judgment, and the corresponding adjustment coefficients are obtained according to the formulas of the charge adjustment coefficient and the discharge adjustment coefficient. The charge and discharge efficiency adjustment test results are shown in Table 3.

[0034] Table 3. Charge and discharge efficiency adjustment test results Test Data Battery health Is adjustment required? Adjustment coefficient Sample 1 0.58 unnecessary 0 Sample 2 0.77 need 0.2 Sample 3 0.31 need 0.4 In this embodiment, the adjustment coefficient is obtained by calculating the ratio of the battery power health within the buffer zone; as the battery power health changes, the adjustment range of the charging and discharging efficiency also changes dynamically, so that the battery power of the RV can be effectively managed when it is working, thereby improving the effectiveness and reliability of the integrated detection management of the extended-range RV power.

[0035] refer to Figure 1 The generator power generation adjustment module is used to adjust the power generation of the generator; the power demand and the battery power health are input into the power generation adjustment prediction model to obtain the power generation adjustment factor; the battery power health and the power generation adjustment factor are combined to obtain the power generation adjustment weight; the power generation of the chassis generator is adjusted using the power generation adjustment weight.

[0036] Furthermore, the structure of the power generation regulation prediction model includes: an input layer, a feature extraction layer, a ConvLSTM prediction layer, and an output layer; The input layer converts the power demand and battery health into feature vectors; The feature extraction layer uses depth-separable convolution to extract features from feature vectors to obtain deep features; The ConvLSTM prediction layer predicts the power regulation features based on the temporal dependency and spatial information in the deep features; The output layer converts the power regulation features into power regulation weights for power generation.

[0037] Furthermore, the input layer uses two convolutional layers to perform feature transformation on the power demand and battery health respectively; the feature extraction layer uses three layers of depth-separable convolution to perform feature processing on the feature vector after channel splicing; the ConvLSTM prediction layer uses five ConvLSTM layers to predict the power generation regulation features; and the output layer outputs the power generation regulation weight through the convolutional layer.

[0038] By using the power regulation weights predicted by the power regulation prediction model to adjust the power generation, the regulation efficiency can be greatly improved. At the same time, the accuracy and effectiveness of adjusting the power generation can be improved, further ensuring the effective detection and management of power integration.

[0039] Furthermore, the specific implementation process of the generator power adjustment module adjusting the power generation of the chassis generator using the power generation adjustment weight includes: Obtain power demand, battery health, and chassis generator power; Input the power demand and battery health into the power generation regulation prediction model to obtain the power generation regulation factor; Evaluate the battery health and power generation adjustment factor to obtain the power generation adjustment weight; The power generation adjustment weight is used to multiply the power generation of the chassis generator to obtain the power generation adjustment power.

[0040] In this embodiment, the generator power regulation module uses a deep learning model to perform feature learning on the power demand and battery power health. The predicted power adjustment factor can accurately adjust the power generation under different battery power health conditions, thereby improving the effectiveness and reliability of the integrated power detection management of the extended-range motorhome.

[0041] Furthermore, the calculation formula for power generation adjustment power is: ; ; in, Adjusting power for power generation; Adjusting weights for power generation; is the power generated by the chassis generator; is the power regulation factor; The battery health status; and They are the limit values ​​between the discharge start-stop buffer zone and the charge start-stop buffer zone respectively.

[0042] By combining the specific division intervals of battery power health and the power generation adjustment factor predicted by the model, the power generation power of the generator under different battery power conditions can be controlled. In this way, the power generation power of the chassis generator can be adaptively adjusted according to the power demand of the upper equipment, thereby improving the effectiveness and reliability of the integrated power detection management of the extended-range motorhome.

[0043] This embodiment proposes an integrated power detection and management system for extended-range motorhomes. The system obtains power consumption data of the upper equipment, chassis battery and chassis generator through the data acquisition module; obtains the battery health coefficient based on the collected data of the chassis battery through the power health status detection module, and obtains the battery power health degree by combining the power consumption and the remaining power; uses the power management module to set the charge and discharge start-stop buffer zone and adjusts the charge and discharge efficiency through the charge regulation coefficient and discharge regulation coefficient calculated in the buffer zone; the generator power adjustment module adjusts the power generation according to the power adjustment factor output by the power adjustment prediction model and the power adjustment weight obtained by the battery power health evaluation. The present invention can effectively improve the effectiveness and reliability of the integrated power detection and management of extended-range motorhomes.

[0044] Embodiment 2 As an embodiment of the present invention, Figure 3 The process of the integrated detection and management system for the extended-range motorhome power is described as follows: First, the data acquisition module in the system receives the data collected by the acquisition device. The data includes: the power consumption and power demand of the upper equipment; the remaining power, voltage data, current data and temperature data of the chassis battery; and the power generation of the chassis generator. These data provide a reliable data basis for subsequent power health detection, charge and discharge management, and generator power adjustment.

[0045] Next, after obtaining the relevant data, the system will input the power consumption of the upper equipment and the remaining power, voltage data, current data and temperature data of the chassis battery into the power health status detection module for power detection; the power health status detection module first obtains the battery health coefficient based on the voltage data, current data and temperature data of the chassis battery; the module then evaluates the battery health coefficient, power consumption and remaining power to obtain the battery power health over a period of time.

[0046] Furthermore, the specific process of the battery health status detection module obtaining the battery health status is as follows: Obtain the power consumption of the upper equipment and the remaining power, voltage data, current data and temperature data of the chassis battery; Using standard battery voltage, standard battery current and standard battery temperature to evaluate time-continuous voltage data, current data and temperature data, a time-continuous battery health factor is obtained; The continuous battery health factor is segmented according to the collection interval of power consumption and remaining power to obtain the battery health factor for a period of time, and the average battery health factor is calculated; The average battery health factor, power usage, and remaining power are evaluated to obtain the battery power health over a period of time.

[0047] Then, the system will call the power management module to receive the battery power health output by the power health status detection module; the power management module first sets the discharge start-stop buffer zone and the charging start-stop buffer zone, and then compares the battery power health with the buffer zone; if the battery power health is within the buffer zone, the charging and discharging efficiency is adjusted by the calculated charging regulation coefficient and discharging regulation coefficient; otherwise, the charging and discharging efficiency is not adjusted.

[0048] Furthermore, the specific process of the power management module adjusting the charging and discharging efficiency is as follows: Set the discharge start-stop buffer zone and the charge start-stop buffer zone to and ;in, ; Compare the battery health with the buffer; if the battery health is less than , then stop discharging, otherwise start discharging; if the battery health is greater than , then stop charging, otherwise start charging; If the battery power health is within the discharge start-stop buffer zone, the charging efficiency is adjusted according to the charging regulation coefficient; if the battery power health is within the charging start-stop buffer zone, the discharge efficiency is adjusted according to the discharge regulation coefficient; if the battery power health is not within the buffer zone, the charging and discharging efficiency is not adjusted.

[0049] Furthermore, the limit value between the discharge start and stop buffer zone and Set to 0.25 and 0.35 respectively; limit between charging start and stop buffer zones and Set to 0.75 and 0.85 respectively.

[0050] Finally, the system will call the generator power regulation module to adjust the generator power according to the input power demand and battery health; the module first inputs the power demand and battery health into the power regulation prediction model to obtain the power regulation factor; combines the battery health and the power regulation factor to obtain the power regulation weight; and uses the power regulation weight to adjust the power of the chassis generator.

[0051] Furthermore, the specific implementation process of the generator power adjustment module adjusting the power generation of the chassis generator using the power generation adjustment weight includes: Obtain power demand, battery health, and chassis generator power; Input the power demand and battery health into the power generation regulation prediction model to obtain the power generation regulation factor; Evaluate the battery health and power generation adjustment factor to obtain the power generation adjustment weight; The power generation adjustment weight is used to multiply the power generation of the chassis generator to obtain the power generation adjustment power.

[0052] Furthermore, the calculation formula for power generation adjustment power is: ; ; in, Adjusting power for power generation; Adjusting weights for power generation; is the power generated by the chassis generator; is the power regulation factor; The battery health status; and They are the limit values ​​between the discharge start-stop buffer zone and the charge start-stop buffer zone respectively.

[0053] In order to illustrate the power regulation capability of the generator power regulation module, three groups of data for calculating the power generation adjustment power in different time periods are extracted, which include power demand, battery health and chassis generator power generation; the battery health is obtained by inputting the power consumption of the upper equipment and the chassis battery data into the power health status detection module for processing; the power demand and the chassis generator power generation are directly extracted from the data acquisition module; the three groups of data are respectively recorded as test sample one, test sample two and test sample three, and the power demand and battery health of each group are input into the trained power generation regulation prediction model to obtain the power generation regulation factor of each group; then, the battery health of each group and the power generation regulation factor of each group are evaluated to obtain the power generation regulation weight of each group; set and They are 0.35 and 0.75 respectively; combined with the calculation formula of power generation adjustment power, the power generation adjustment power of each group is obtained; the power generation adjustment test results are shown in Table 4.

[0054] Table 4. Test results of power generation regulation Test Data Power generation Battery health Power generation adjustment weight Power generation adjustment Test sample 1 2.57kW 0.31 1.42 3.65kW Test sample 2 4.01kW 0.63 0.88 3.53kW Test sample three 5.29kW 0.82 0 0 Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated detection and management system for power consumption of an extended-range motorhome, characterized in that: include: The data acquisition module is used to obtain the power consumption and power demand of the upper equipment; obtain the remaining power, voltage data, current data and temperature data of the chassis battery; and obtain the power generation of the chassis generator; The power health status detection module is used to detect the power health status of the battery under operation; obtain the battery health coefficient according to the voltage data, the current data and the temperature data of the chassis battery; evaluate the battery health coefficient, the power consumption and the remaining power to obtain the battery power health within a period of time; A power management module is used to manage the start and stop and efficiency of battery charging and discharging; a discharge start and stop buffer zone and a charge start and stop buffer zone are set according to the battery power health; if the battery power health is within the buffer zone, the charge and discharge efficiency is adjusted by the charge adjustment coefficient and the discharge adjustment coefficient; otherwise, the charge and discharge efficiency is not adjusted; The generator power generation adjustment module is used to adjust the power generation of the generator; the power demand and the battery power health are input into the power generation adjustment prediction model to obtain the power generation adjustment factor; the power generation adjustment weight is obtained by combining the battery power health and the power generation adjustment factor; and the power generation of the chassis generator is adjusted using the power generation adjustment weight.

2. The integrated detection and management system for electric quantity of an extended-range motorhome according to claim 1, characterized in that: The voltage data, the current data and the temperature data are time series data, the power consumption and the remaining power are collected at the same time intervals, and the power demand and the generated power are acquired instantaneously.

3. The integrated detection and management system for power consumption of an extended-range motorhome according to claim 1, characterized in that: The specific implementation process of the power health status detection module obtaining a battery health coefficient according to the voltage data, the current data and the temperature data of the chassis battery; evaluating the battery health coefficient, the power consumption and the remaining power to obtain the battery power health within a period of time includes: Acquire the power consumption of the upper equipment and the remaining power, the voltage data, the current data and the temperature data of the chassis battery; Using a standard battery voltage, a standard battery current and a standard battery temperature to evaluate the time-continuous voltage data, the current data and the temperature data, to obtain a time-continuous battery health factor; The battery health factor that is continuous over time is segmented according to the collection interval of the power consumption and the remaining power to obtain the battery health factor for a period of time, and an average battery health factor is calculated; The average battery health factor, the power consumption and the remaining power are evaluated to obtain the battery power health within a period of time.

4. The integrated detection and management system for electric quantity of an extended-range motorhome according to claim 3, characterized in that: The calculation formula of the battery power health is: ； in, The battery health level; is the battery health weight factor; and represents different moments, and Greater than ; for The battery health factor at the time; is the electricity consumption weight factor; is the electricity consumption; is the power consumption threshold; is the power consumption deviation threshold; is the remaining power weight factor; is the remaining power; is the remaining power threshold; is the remaining power deviation threshold.

5. The integrated detection and management system for power consumption of an extended-range motorhome according to claim 1, characterized in that: The power management module sets the discharge start-stop buffer zone and the charge start-stop buffer zone according to the battery power health. If the battery power health is within the buffer zone, the specific process of adjusting the charge and discharge efficiency by the charge adjustment coefficient and the discharge adjustment coefficient includes: The discharge start-stop buffer zone and the charge start-stop buffer zone are respectively set and ;in, ; The battery power health is compared with the buffer; if the battery power health is less than , then stop discharging, otherwise start discharging; if the battery power health is greater than , then stop charging, otherwise start charging; If the battery power health is within the discharge start-stop buffer zone, the charging efficiency is adjusted according to the charging regulation coefficient; if the battery power health is within the charging start-stop buffer zone, the discharge efficiency is adjusted according to the discharge regulation coefficient.

6. The integrated detection and management system for power consumption of an extended-range motorhome according to claim 5, characterized in that: The calculation formulas of the charging regulation coefficient and the discharging regulation coefficient are: ； ； in, is the charging regulation coefficient; and is the limit value of the discharge start-stop buffer zone; The battery health level; is the discharge regulation coefficient; and is the limit value of the charging start-stop buffer zone.

7. The integrated detection and management system for power consumption of an extended-range motorhome according to claim 1, characterized in that: The structure of the power generation regulation prediction model includes: an input layer, a feature extraction layer, a ConvLSTM prediction layer and an output layer; The input layer converts the power demand and the battery health into a feature vector; The feature extraction layer uses depth-separable convolution to extract features from feature vectors to obtain deep features; The ConvLSTM prediction layer predicts the power regulation features based on the temporal dependency and spatial information in the deep features; The output layer converts the power regulation features into the power generation regulation weights.

8. The integrated detection and management system for electric quantity of an extended-range motorhome according to claim 1, characterized in that: The generator power regulation module inputs the power demand and the battery power health into the power regulation prediction model to obtain the power regulation factor; combines the battery power health and the power regulation factor to obtain the power regulation weight; and uses the power regulation weight to adjust the power of the chassis generator. The specific implementation process includes: Obtaining the power demand, the battery health, and the power generation of the chassis generator; Inputting the power demand and the battery health into the power generation adjustment prediction model to obtain the power generation adjustment factor; Evaluate the battery power health and the power generation adjustment factor to obtain the power generation adjustment weight; The power generation adjustment weight is used to multiply the power generation of the chassis generator to obtain the power generation adjustment power.

9. The integrated detection and management system for electric quantity of an extended-range motorhome according to claim 8, characterized in that: The calculation formula of the power generation adjustment power is: ； ； in, adjusting power for said generating of electricity; adjusting a weight for the generated power; is the power generation capacity of the chassis generator; is the power generation adjustment factor; The battery health level; and They are the limit values ​​between the discharge start-stop buffer zone and the charge start-stop buffer zone respectively.

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