CN-119933872-B - High-rate discharge, device and system for sodium ion automobile starting battery

CN119933872BCN 119933872 BCN119933872 BCN 119933872BCN-119933872-B

Abstract

The invention discloses a high-rate discharge device and system of a sodium ion automobile starting battery, which relates to the technical field of demand analysis and comprises a collection monitoring module, an analysis module, an electric quantity control module, a mode control module and an early warning module, wherein the collection monitoring module is used for collecting physical parameter information of different periods of the automobile starting battery, engine information and habit information of a user for daily use, in the invention, the electric quantity control module is used for calculating a difference charging difference J between a battery electric quantity value S and a user energy consumption mean value C, and generating a corresponding control signal according to the charging difference J and transmitting the corresponding control signal to the mode control module so as to regulate and control engine power, so that the battery electric quantity value S is always higher than the user energy consumption mean value C, the battery can maintain sufficient electric quantity, the starting battery is ensured to have enough electric energy to perform high-rate discharge, and the vehicle is ensured to have stable and reliable battery support during starting and running.

Inventors

JIANG HENG
LIU XINRUI
JIANG YUHANG
WANG LIJIE
XU XINYU

Assignees

神州星恒电源科技(山东)有限公司

Dates

Publication Date: 20260505
Application Date: 20250115

Claims (6)

1. The high-rate discharge system of the sodium ion automobile starting battery is characterized by comprising an acquisition monitoring module, an analysis module, an electric quantity control module, a mode control module and an early warning module; the acquisition monitoring module is used for acquiring physical parameter information of the automobile starting battery in different periods, engine information and habit information of a user for daily use of the automobile, and then preprocessing the information and transmitting the information to the analysis module; The analysis module receives the data packet transmitted by the acquisition monitoring module, analyzes the physical parameters of the battery started in different periods through the anomaly analysis unit, transmits the obtained battery risk value F to the early warning module, transmits the obtained electric quantity value S to the electric quantity control module, transmits the engine information to the electric quantity control module, analyzes the habit information of the user through the user analysis unit, acquires a starting basic value H1, the rest use average value H2 and the entertainment medium use average value H3, and transmits the obtained user energy consumption average value C to the electric quantity control module; the mode control module is responsible for dynamically adjusting the power of the engine according to the dynamic signals; The abnormal analysis unit performs periodic analysis on each physical parameter of the battery according to a preset time period, compares the physical parameter of the battery with a normal working range, obtains abnormal parameter values according to a formula when a certain parameter deviates from the normal range, marks the obtained voltage abnormal value, current abnormal value, temperature abnormal value and internal impedance abnormal value distribution as O, P, I, N, obtains a battery risk value according to the formula when the abnormal value interval is 0 to 1, compares the battery risk value with two threshold values, and generates a safety signal, a serious warning signal and an emergency warning signal to be transmitted to the early warning module; the abnormality analysis unit compares the battery risk value with an alarm threshold value, generates a safety signal when the battery risk value is smaller than the alarm threshold value I, generates a serious alarm signal when the battery risk value is larger than the alarm threshold value I and smaller than the alarm threshold value II, generates an emergency alarm signal when the battery risk value is larger than the alarm threshold value II, and marks the signal as a battery state signal to be transmitted to the early warning module; The early warning module is responsible for receiving the battery state signals, reserving safety signals according to signal classification, notifying a driver of serious warning and emergency warning signals through display and voice, and generating battery health reports at random and sending the battery health reports to the driver; The electric quantity control module performs subtraction operation on the battery electric quantity value S and the user energy consumption average value C to calculate a charging difference value J, generates an electric shortage signal when the charging difference value J is smaller than an evaluation threshold value, generates a holding signal when the charging difference value J is larger than or equal to the evaluation threshold value, and continuously transmits the holding signal to the mode control module.
2. The system of claim 1, wherein the user analysis unit analyzes the habit of the user, obtains an average power consumption of light and other electric devices during running of the vehicle, marks the average power consumption as a remaining use average value H 2 , calculates a user entertainment medium use power consumption average value H 3 according to a formula, obtains a user power consumption average value C according to the formula, and transmits the information and engine information to the power control module; The user analysis unit calculates the entertainment medium use energy consumption average value H 3 according to the following formula, wherein the specific calculation formula is as follows: ; The user analysis unit calculates the energy consumption mean value C of the user according to the following formula, wherein the specific calculation formula is as follows: ; The starting basic value H 1 is the minimum electric quantity required by engine starting and vehicle electronic system initialization, and is preset and fixed, M 1 represents the weight coefficient of the rest average value, and M 2 represents the weight coefficient of the energy consumption average value of the entertainment medium.
3. The system of claim 1, wherein the mode control module is configured to dynamically adjust the power output of the engine, and when the hold signal is received, the power output of the engine is not changed, and when the lack signal is received by the mode control module, the fuel injection amount and the engine speed are increased, and the power output of the engine is increased.
4. The system of claim 1, wherein the early warning module only saves the safety signal after receiving the battery status signal, and notifies the driver to take an emergency stop through the display and the voice system when receiving the serious warning signal and the emergency warning signal, and generates a battery health report to be pushed to the driver at an irregular time according to the long-term battery usage data and the battery risk value.
5. The high-rate discharge system of a sodium ion automobile starting battery according to claim 1, wherein the abnormality analysis unit obtains voltage abnormality values, current abnormality values, temperature abnormality values, internal impedance abnormality values as follows, wherein Y represents parameter values; ; The abnormality analysis unit calculates a battery risk value F according to a formula, and the specific formula is as follows: ; Wherein O represents a voltage anomaly, P represents a current anomaly, I represents a temperature anomaly, N represents an internal impedance anomaly, X 1 represents a weight coefficient of the voltage anomaly, X 2 represents a weight coefficient of the current anomaly, X 3 represents a weight coefficient of the temperature anomaly, and X 4 represents a weight coefficient of the internal impedance anomaly.
6. A high-rate discharge method of a sodium ion automobile starting battery based on the discharge system of any one of claims 1-5, characterized in that the specific method of the automobile starting battery discharge system is as follows: s1, an acquisition monitoring module is responsible for acquiring information of an automobile starting battery, engine operation and user use habit, and the information is transmitted to an analysis module after pretreatment; S2, an analysis module analyzes physical parameters of the battery started in different periods through an abnormal analysis unit to obtain a battery risk value F, the analysis module analyzes habits of a user through a user analysis unit to obtain a user energy consumption average value C, a corresponding battery state signal is generated according to the battery risk value F and is transmitted to an early warning module, and the user energy consumption average value C is transmitted to an electric quantity control module; s3, the electric quantity control module calculates a charging difference value J, and generates a corresponding control signal according to the charging difference value J and transmits the control signal to the mode control module; S4, the mode control module dynamically adjusts the power of the engine according to the control signal transmitted by the electric quantity control module; S5, the early warning module informs the driver of emergency stop through display and voice of the serious warning and emergency warning signals in the battery state signals, and generates a battery health report to be pushed to the driver.

Description

High-rate discharge, device and system for sodium ion automobile starting battery Technical Field The invention relates to the technical field of demand analysis, in particular to a high-rate discharge device and system for a sodium ion automobile starting battery. Background The sodium ion battery is a secondary battery, the working principle is mainly based on the fact that sodium ions are inserted and separated back and forth between two electrodes in the charging and discharging process of the sodium ion battery, the automobile starting battery mainly acts on an engine for starting a vehicle, large current can be provided in a short time, smooth ignition and starting of the engine are ensured, and in addition, the automobile starting battery also bears the function of supplying power for other electronic equipment of the vehicle, such as a vehicle lamp, a sound system and the like. The current fuel automobile starting battery power control is generally regulated and controlled by depending on the output power of an engine of the vehicle and the actual speed of the vehicle running, however, when the automobile is not running, the starting battery power is easily insufficient, and the discharging power of the battery is greatly reduced. In view of the above technical drawbacks, a solution is now proposed. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a high-rate discharge device and system for a sodium ion automobile starting battery. The sodium ion automobile starting battery high-rate discharge system comprises an acquisition monitoring module, an analysis module, an electric quantity control module, a mode control module and an early warning module. The acquisition monitoring module is used for acquiring physical parameter information of different periods of the automobile starting battery, engine information and habit information of a user for daily use of the automobile, and then the information is preprocessed and then transmitted to the analysis module. The analysis module receives the data packet transmitted by the acquisition monitoring module, analyzes the battery physical parameters started in different periods by using the anomaly analysis unit, transmits the obtained battery risk value F and the obtained battery power value S to the early warning module and the electric power control module, transmits the engine information to the electric power control module, analyzes the user habit information by using the user analysis unit, acquires the starting basic value H 1, the rest of the use average value H 2 and the entertainment medium use average value H 3, and then transmits the obtained user energy consumption average value C to the electric power control module. The power control module generates control signals and continuously transmits the signals to the mode control module. The mode control module is responsible for dynamically adjusting engine power based on the dynamic signal. The early warning module is responsible for receiving the battery state signal, reserving the safety signal according to the signal classification, notifying the driver of the serious warning and emergency warning signal through display and voice, and generating battery health report at random and sending the battery health report to the driver. Preferably, the collection monitoring module comprises a battery collection unit, an engine collection unit, a user habit collection unit and a preprocessing unit, wherein the battery collection unit continuously monitors physical parameter information of different periods of the automobile starting battery, the physical parameter information comprises information such as battery temperature, battery voltage and battery current, the engine collection unit intermittently collects engine information, the user habit collection unit collects habit information of daily use vehicles of users, information such as use period and time, and the like, and then the information is transmitted to the preprocessing unit. The preprocessing unit performs noise filtering on battery information, then corrects data, eliminates data deviation caused by equipment errors, environmental changes and the like, performs compression and aggregation processing on high-frequency data battery current, voltage and the like, converts the high-frequency data battery current, voltage and the like into smaller information packets convenient to transmit, packages the preprocessed data into information packets in a standard format, and transmits the information to the analysis module through the high-speed data transmission interface. Preferably, the analysis module comprises an abnormality analysis unit and a user analysis unit; The abnormal analysis unit performs periodic analysis on each physical parameter of the battery according to a preset time period, compares the physical parameter of the battery with a normal working range, obtains abnormal parameter values ac