CN115951249B - Battery state monitoring method, system, electronic equipment and storage medium - Google Patents
Battery state monitoring method, system, electronic equipment and storage medium Download PDFInfo
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- CN115951249B CN115951249B CN202310179257.7A CN202310179257A CN115951249B CN 115951249 B CN115951249 B CN 115951249B CN 202310179257 A CN202310179257 A CN 202310179257A CN 115951249 B CN115951249 B CN 115951249B
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The application discloses a battery state monitoring method, a system, an electronic device and a storage medium, wherein the method comprises the following steps of S1, grouping all batteries in a battery pack to be detected in a mode that two adjacent batteries form a group of battery packs to be detected; s2, detecting total voltage data, single current data and single temperature data of the battery pack to be detected, S3, acquiring initial electric quantity data of the single battery of the battery pack to be detected at an initial time, current electric quantity data of the single battery of the battery pack to be detected at a current time and the using time, and calculating to obtain unit power consumption of the single battery; and S4, calculating the electric quantity endurance time of the single battery under the corresponding monomer temperature data and the actual state of charge S0C value of the battery in the electric quantity endurance time. The application can effectively monitor the running state of the battery, accurately estimate the residual electric quantity of the battery and judge the cruising ability of the battery.
Description
Technical Field
The present application relates to the field of battery monitoring technologies, and in particular, to a battery state monitoring method, a system, an electronic device, and a storage medium.
Background
With the continuous development of fiber and technology, the application fields of batteries are becoming wider and wider, such as: unmanned aerial vehicle, electric automobile, electric bicycle etc.. However, without exception, they are always faced with a great risk that, due to the problem of accuracy in estimating the electric quantity of the battery, the residual electric quantity of the battery is not accurately estimated, and thus the electric products, such as the unmanned aerial vehicle, cannot be accurately controlled when the residual electric quantity is insufficient, and the unmanned aerial vehicle suddenly does not have the discharging capability in the air due to the fact that the battery electric quantity is not accurately estimated, and then the unmanned aerial vehicle directly falls from the high air, namely the "fryer" commonly known in the industry. Therefore, how to monitor the operation state of the battery, accurately estimate the remaining capacity of the battery, and determine the endurance of the battery is a current urgent problem to be solved.
Disclosure of Invention
The application aims to provide a battery state monitoring method which is used for solving the problems that the running state of a battery cannot be effectively monitored, the residual electric quantity of the battery is accurately estimated, and the endurance capacity of the battery is judged in the prior art.
The aim of the application is achieved by the following technical scheme:
a battery state monitoring method comprises the following steps:
s1, grouping all batteries in a battery pack to be detected in a mode that two adjacent batteries form a group of battery packs to be detected, and dividing the battery pack to be detected into a plurality of battery packs to be detected;
s2, obtaining a series or parallel circuit connection mode of each battery pack to be detected, wherein each battery pack to be detected is correspondingly provided with a battery sampling detection device; the battery sampling detection device is used for detecting total voltage data, single current data and single temperature data of the battery pack to be detected, wherein the single voltage data is voltage data of single batteries in the battery pack to be detected, the single current data is current data of the single batteries in the battery pack to be detected, and the single temperature data is temperature data of the single batteries in the battery pack to be detected;
s3, the battery sampling detection device acquires initial electric quantity data of the single battery of the battery pack to be detected at an initial time, current electric quantity data of the single battery of the battery pack to be detected at a current time and the using time, and calculates to obtain unit power consumption of the single battery;
s4, constructing an electric quantity analysis model, establishing a relation model corresponding to the single temperature data and the unit power consumption by the electric quantity analysis model, and carrying out historical data statistics analysis model training; and inputting current electric quantity data and single temperature data of the single battery of the battery pack to be detected at the current time of the single battery in the electric quantity analysis model, and then calculating to obtain the electric quantity duration time of the single battery under the corresponding single temperature data and the actual state of charge (SOC) value of the battery in the electric quantity duration time.
To better implement the application, the application further comprises:
s5, a background server is further included, a preset state of charge (SOC) value of the single battery along with the temperature is set, the actual SOC value of the single battery at the same temperature is compared with the preset SOC value, and if the actual SOC value of the single battery is greater than or equal to the preset SOC value, the single battery is in a normal state within the electric quantity duration; if the actual state of charge (SOC) value of the battery is smaller than the preset SOC value, the battery is in a power shortage state within the electric quantity duration, and meanwhile a power shortage information report is sent to a background server.
Further technical scheme, the application also comprises:
and S6, integrating the total voltage data, the single current data and the single temperature data of each battery pack to be detected, generating a report and transmitting the report to a background server.
Preferably, in step S2, the present application sets a limiting current for each battery in each battery pack to be detected, and when the battery sampling detection device detects that the single current data exceeds the limiting current, an alarm command is issued, and meanwhile, power-off protection is performed.
The battery state monitoring system comprises a battery pack grouping module to be detected, a battery detection and determination module, a battery data detection module, a unit power consumption electric quantity calculation module, an electric quantity analysis module and a comparison module;
the battery pack grouping module to be detected is used for grouping all batteries in the battery pack to be detected in a mode that two adjacent batteries form a group of battery packs to be detected, and dividing the battery pack to be detected into a plurality of battery packs to be detected;
the battery detection determining module is used for determining a series or parallel circuit connection mode of each battery pack to be detected;
the battery data detection module comprises a unit power consumption calculation module and a plurality of battery sampling detection devices, wherein each battery pack to be detected is correspondingly provided with one battery sampling detection device, the battery sampling detection device is used for detecting total voltage data, single current data and single temperature data of the battery pack to be detected, the single voltage data is the voltage data of a single battery in the battery pack to be detected, the single current data is the current data of the single battery in the battery pack to be detected, and the single temperature data is the temperature data of the single battery in the battery pack to be detected; the battery data detection module acquires initial electric quantity data of the single battery of the battery pack to be detected at the initial time, current electric quantity data of the single battery of the battery pack to be detected at the current time and the use time through the battery sampling detection device, and calculates the unit electric quantity of the single battery through the unit electric quantity calculation module;
an electric quantity analysis model is built in the electric quantity analysis module, and a relation model corresponding to the single temperature data and the unit power consumption is built in the electric quantity analysis model and historical data statistical analysis is carried out; the electric quantity analysis module is used for inputting current electric quantity data and single temperature data of the single battery of the battery pack to be detected at the current time, and then calculating to obtain electric quantity duration time of the single battery under the corresponding single temperature data and an actual state of charge (SOC) value of the battery within the electric quantity duration time;
the comparison module is used for comparing and judging the actual state of charge (SOC) value of the single battery at the same temperature with the preset state of charge (SOC) value; if the actual state of charge (SOC) value of the battery is greater than or equal to the preset SOC value, the battery is in a normal state within the electric quantity duration; if the actual state of charge (SOC) value of the battery is smaller than the preset SOC value, the battery is in a state of power shortage within the electric quantity duration.
An electronic device, comprising:
a memory for storing one or more programs;
a processor, which when executing one or more programs of a memory by the processor, implements the battery condition monitoring method of any one of claims 1 to 4.
A storage medium comprising a memory and a processor, the memory storing an executable program, characterized in that the processor implements the battery condition monitoring method of one of claims 1 to 4 when executing the executable program.
Compared with the prior art, the application has the following advantages:
according to the application, two adjacent batteries in the battery pack to be detected are used as one battery pack to be detected, so that the battery pack to be detected is divided into a plurality of battery packs to be detected, and the connection mode of each battery pack to be detected is more convenient to judge subsequently. And acquiring and determining a battery detection mode corresponding to the serial-parallel connection according to the serial-parallel connection mode of any battery to be detected, and detecting the battery to be detected by a battery sampling detection device according to the battery detection mode to obtain current battery data of the battery to be detected, wherein the current battery data at least comprises total voltage data, single current data and single temperature data of the battery to be detected. The method comprises the steps of obtaining initial electric quantity data and using time length of the battery pack to be detected, and calculating to obtain unit power consumption according to the initial electric quantity data, the using time length and the current electric quantity data; and inputting the current battery data and the unit power consumption into a power analysis model to obtain an analysis result, wherein the analysis result characterizes the power duration of any battery in the battery pack to be detected under the corresponding single temperature data and the actual state of charge (SOC) value of the battery in the power duration. According to the application, the current battery data and the unit power consumption of the battery pack to be detected are analyzed through the electric quantity analysis model, so that the current actual state data of each battery in the battery pack to be detected can be obtained.
(2) The application compares the actual state of charge SOC value of the battery with the preset state of charge SOC value of the same temperature, if the actual state of charge SOC value of the battery is larger than the preset state of charge SOC value, the battery is in a normal discharge state in the electric quantity endurance time, otherwise, if the actual state of charge SOC value of the battery is smaller than the preset state of charge SOC value, the battery is in a power shortage state in the electric quantity endurance time, and power shortage information is generated and sent to a background server, so as to prompt a user that the battery is in the power shortage state, namely the operation state is poor in the electric quantity endurance period, and further prompt the user to charge or replace the battery as soon as possible, so as to ensure the endurance capability. The method and the device can effectively monitor the running state of the battery, accurately estimate the residual electric quantity of the battery and judge the cruising ability of the battery.
Drawings
Fig. 1 is a flowchart of a battery state monitoring method according to an embodiment of the present application;
FIG. 2 is a flow chart of a preferred data integration production report according to an embodiment of the present application;
FIG. 3 is a flow chart of a preferred limiting current power-off protection according to an embodiment of the present application;
fig. 4 is a block diagram of a battery status monitoring system according to an embodiment of the present application;
fig. 5 is a schematic block diagram of an electronic device according to an embodiment of the present application.
Wherein, the names corresponding to the reference numerals in the drawings are:
110, a battery pack grouping module to be detected; 120-a battery detection mode determining module; 130-a battery data detection module; 140-a unit power consumption calculation module; 150-an electric quantity analysis module; 160-a comparison module; 101-memory; 102-a processor; 103-communication interface.
Detailed Description
The application is further illustrated by the following examples:
example 1
As shown in fig. 1, a battery state monitoring method comprises the following steps:
s1, grouping all batteries in a battery pack to be detected in a mode that two adjacent batteries form a group of battery packs to be detected, and dividing the battery pack to be detected into a plurality of battery packs to be detected; all batteries in the battery pack to be detected are grouped according to the mode that two adjacent batteries are a group of battery packs to be detected, so that the battery pack to be detected is divided into a plurality of battery packs to be detected, and the connection mode of each battery pack to be detected is more convenient to judge later, for example, 10 batteries in the battery pack to be detected can be divided into 5 battery packs to be detected (two adjacent batteries are a group of battery packs to be detected).
S2, obtaining a series or parallel circuit connection mode of each battery pack to be detected (the connection mode of the battery packs to be detected can be series connection or series connection, if the batteries in the battery packs to be detected are used in series connection, the current sampling channels are relatively less, the current sampling frequency has important influence on the evaluation precision of the residual electric quantity and the system safety, so the sampling frequency is higher, the corresponding battery detection mode can be a relay and capacitance isolation processing method, a common mode detection method or a differential mode detection method), and each battery pack to be detected is correspondingly provided with a battery sampling detection device; the battery sampling detection device is used for detecting total voltage data, single current data and single temperature data of the battery pack to be detected, wherein the single voltage data is voltage data of single batteries in the battery pack to be detected, the single current data is current data of single batteries in the battery pack to be detected, and the single temperature data is temperature data of single batteries of the battery pack to be detected. In some embodiments, in step S2, a limiting current is set for each battery in each battery pack to be detected, and when the battery sampling detection device detects that the single current data exceeds the limiting current, an alarm command is sent out, and meanwhile, power-off protection is performed. The purpose of setting the limiting current for any battery in the battery pack to be detected is as follows: when the working current of any battery exceeds the limiting current, a power-off command is sent out to perform power-off protection on the battery. When the battery pack is used in a specific mode, the charging and discharging of each battery in the battery pack to be detected can be limited, limiting current is set, and when the working current of any battery exceeds the limiting current, protection measures are started to cut off the power of the battery. Thereby further ensuring the use safety of the battery.
And S3, the battery sampling detection device acquires initial electric quantity data of the single battery of the battery pack to be detected at the initial time, current electric quantity data of the single battery of the battery pack to be detected at the current time and the using time, and calculates the unit power consumption of the single battery. And dividing the difference value between the initial electric quantity data and the current electric quantity data by the service time length to obtain the unit power consumption of the battery pack to be detected. Analyzing the current battery data and the unit power consumption of the battery pack to be detected through an electric quantity analysis model to obtain the electric quantity duration time of each battery in the battery pack to be detected under the corresponding single temperature data and the actual state of charge (SOC) value of the battery in the corresponding electric quantity duration time; the current battery data and the unit power consumption of the battery pack to be detected are analyzed through the electric quantity analysis model, and the current actual state data of each battery in the battery pack to be detected can be obtained. In some embodiments, prior to the step of inputting the current battery data and the unit power consumption into the power analysis model, the method further comprises: establishing an initial model; and obtaining a plurality of samples, wherein the samples comprise a plurality of using state data of the battery, and training an initial model by using all the samples to obtain an electric quantity analysis model.
S4, constructing an electric quantity analysis model, establishing a relation model corresponding to the single temperature data and the unit power consumption by the electric quantity analysis model, and carrying out historical data statistics analysis model training; and inputting current electric quantity data and single temperature data of the single battery of the battery pack to be detected at the current time of the single battery in the electric quantity analysis model, and then calculating to obtain the electric quantity duration time of the single battery under the corresponding single temperature data and the actual state of charge (SOC) value of the battery in the electric quantity duration time.
S5, a background server is further included, preset state of charge (SOC) values of the single battery along with the temperature are set (the embodiment can preselect the state of charge (SOC) values of the battery at different temperatures, in some embodiments, the preset state of charge (SOC) values of the battery at different temperatures are obtained according to the corresponding relation between the state of charge (SOC) of the battery at different temperatures and the battery voltage, so that the aim of presetting the state of charge (SOC) values at different temperatures is fulfilled), the actual state of charge (SOC) values of the single battery at the same temperature are compared with the preset state of charge (SOC) values, and if the actual state of charge (SOC) value of the battery is larger than or equal to the preset state of charge (SOC) value, the battery is in a normal state within the continuous electric quantity time; if the actual state of charge (SOC) value of the battery is smaller than the preset SOC value, the battery is in a power shortage state within the electric quantity duration, and meanwhile a power shortage information report is sent to a background server.
In some embodiments, by comparing the magnitude between the actual state of charge SOC value of the battery and the preset state of charge SOC value of the same temperature, it may be determined whether the battery is in a normal discharge state within its corresponding battery life. If the actual state of charge (SOC) value of the battery is smaller than the preset state of charge (SOC) value, the battery is in a power shortage state within the electric quantity duration, power shortage information is sent to a background server to prompt a user that the battery is in the power shortage state, namely the running state is poor, during the electric quantity duration, and further prompt the user to charge or replace the battery as soon as possible so as to ensure the duration capability. The method and the device can effectively monitor the running state of the battery, accurately estimate the residual electric quantity of the battery and judge the cruising ability of the battery.
And S6, integrating the total voltage data, the single current data and the single temperature data of each battery pack to be detected, generating a report and transmitting the report to a background server. Integrating the total voltage data, the single current data, the single temperature data and the unit power consumption of any battery pack to be detected, generating a report and transmitting the report to a background server; the method is convenient for a user to call and check the detection data of the battery pack to be detected at the background server, and the display is more visual through the report form.
Example two
The battery state monitoring system comprises a to-be-detected battery pack grouping module 110, a battery detection determining module 120, a battery data detecting module 130, a unit power consumption calculating module 140, a power analysis module 150 and a comparison module 160;
the to-be-detected battery pack grouping module 110 is configured to group all the batteries in the to-be-detected battery pack according to a mode that two adjacent batteries form a group of to-be-detected battery packs, and divide the to-be-detected battery pack into a plurality of to-be-detected battery packs;
the battery detection determining module 120 is configured to determine a serial or parallel circuit connection manner of each battery pack to be detected;
the battery data detection module 130 includes a unit power consumption calculation module 140 and a plurality of battery sampling detection devices, where each battery pack to be detected is correspondingly provided with a battery sampling detection device, and the battery sampling detection device is configured to detect total voltage data, single current data and single temperature data of the battery pack to be detected, the single voltage data is voltage data of a single battery in the battery pack to be detected, the single current data is current data of a single battery in the battery pack to be detected, and the single temperature data is temperature data of a single battery in the battery pack to be detected; the battery data detection module 130 obtains initial electric quantity data of the single battery of the battery pack to be detected at the initial time, current electric quantity data of the single battery of the battery pack to be detected at the current time and the use time through the battery sampling detection device, and calculates the unit electric quantity of the single battery through the unit electric quantity calculation module 140;
the electric quantity analysis module 150 is internally provided with an electric quantity analysis model, and the electric quantity analysis model establishes a corresponding relation model of the single temperature data and the unit power consumption and performs historical data statistical analysis; the electric quantity analysis module 150 is used for inputting current electric quantity data and single temperature data of the single battery of the battery pack to be detected at the current time, and then calculating to obtain electric quantity duration time of the single battery under the corresponding single temperature data and an actual state of charge SOC value of the battery within the electric quantity duration time;
the comparison module 160 sets a preset state of charge SOC value of the single battery along with the temperature, and the comparison module 160 is used for comparing and judging the actual state of charge SOC value of the single battery at the same temperature with the preset state of charge SOC value; if the actual state of charge (SOC) value of the battery is greater than or equal to the preset SOC value, the battery is in a normal state within the electric quantity duration; if the actual state of charge (SOC) value of the battery is smaller than the preset SOC value, the battery is in a state of power shortage within the electric quantity duration.
The battery state monitoring system firstly groups all batteries in the battery pack to be detected according to the mode that two adjacent batteries form a group of battery packs to be detected, so that the battery pack to be detected is divided into a plurality of battery packs to be detected, and the connection mode of each battery pack to be detected is more convenient to judge later. And then determining a corresponding battery detection mode according to the connection mode of any battery pack to be detected. And detecting the battery pack to be detected by using a battery detection mode to obtain current battery data of the battery pack to be detected, wherein the current battery data at least comprises total voltage data, single current data, single temperature data and current electric quantity data of the battery pack to be detected. And dividing the difference value between the initial electric quantity data and the current electric quantity data by the service time length to obtain the unit power consumption of the battery pack to be detected. And then analyzing the current battery data and the unit power consumption of the battery pack to be detected through a power analysis model to obtain the power duration time of each battery in the battery pack to be detected under the corresponding single temperature data and the actual state of charge (SOC) value of the battery in the corresponding power duration time. And analyzing the current battery data and the unit power consumption of the battery pack to be detected through the electric quantity analysis model, so that the current actual state data of each battery in the battery pack to be detected can be obtained. And finally, judging whether the battery is in a normal discharge state within the corresponding electric quantity duration time by comparing the actual state of charge (SOC) value of the battery with a preset state of charge (SOC) value of the same temperature. If the actual state of charge (SOC) value of the battery is smaller than the preset state of charge (SOC) value, the battery is in a power shortage state within the electric quantity duration, and power shortage information is sent to a background server to prompt a user that the battery is in a power shortage state in the electric quantity duration operation state, so that the user is prompted to charge the battery as soon as possible or replace the battery, and the duration capacity is guaranteed. The method and the device can effectively monitor the running state of the battery, accurately estimate the residual electric quantity of the battery and judge the cruising ability of the battery.
An electronic device, characterized in that: comprising the following steps:
a memory for storing one or more programs;
a processor, which implements the battery condition monitoring method of the present application when one or more programs of the memory are executed by the processor.
In some embodiments, please refer to fig. 5, fig. 5 is a schematic block diagram of an electronic device according to an embodiment of the present application. The electronic device comprises a memory 101, a processor 102 and a communication interface 103, wherein the memory 101, the processor 102 and the communication interface 103 are electrically connected with each other directly or indirectly to realize data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The memory 101 may be used to store software programs and modules, such as program instructions/modules corresponding to a battery condition monitoring system provided in an embodiment of the present application, and the processor 102 executes the software programs and modules stored in the memory 101, thereby performing various functional applications and data processing. The communication interface 103 may be used for communication of signaling or data with other node devices.
The Memory 101 may be, but is not limited to, a random access Memory (Random Access Memory, RAM), a Read Only Memory (ROM), a programmable Read Only Memory (Programmable Read-Only Memory, PROM), an erasable Read Only Memory (Erasable Programmable Read-Only Memory, EPROM), an electrically erasable Read Only Memory (Electric Erasable Programmable Read-Only Memory, EEPROM), etc.
The processor 102 may be an integrated circuit chip with signal processing capabilities. The processor 102 may be a general purpose processor including a central processing unit (Central Process ing Unit, CPU), a network processor (Network Processor, NP), etc.; but also digital signal processors (Digital Signal Processing, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
It will be appreciated that the configuration shown in fig. 5 is merely illustrative, and that the electronic device may also include more or fewer components than shown in fig. 5, or have a different configuration than shown in fig. 5. The components shown in fig. 5 may be implemented in hardware, software, or a combination thereof.
A storage medium comprising a memory and a processor, said memory storing an executable program, wherein said processor implements the battery condition monitoring method of the present application when executing said executable program.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The apparatus embodiments described above are merely illustrative, for example, of the flowcharts and block diagrams in the figures that illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A battery condition monitoring method, characterized by: the method comprises the following steps:
s1, grouping all batteries in a battery pack to be detected in a mode that two adjacent batteries form a group of battery packs to be detected, and dividing the battery pack to be detected into a plurality of battery packs to be detected;
s2, obtaining a series or parallel circuit connection mode of each battery pack to be detected, wherein each battery pack to be detected is correspondingly provided with a battery sampling detection device; the battery sampling detection device is used for detecting total voltage data, single current data and single temperature data of the battery pack to be detected, wherein the single voltage data is voltage data of single batteries in the battery pack to be detected, the single current data is current data of the single batteries in the battery pack to be detected, and the single temperature data is temperature data of the single batteries in the battery pack to be detected; setting a limiting current for each battery in each battery pack to be detected, and sending an alarm instruction and simultaneously carrying out power-off protection when the battery sampling detection device detects that the single current data exceeds the limiting current;
s3, the battery sampling detection device acquires initial electric quantity data of the single battery of the battery pack to be detected at an initial time, current electric quantity data of the single battery of the battery pack to be detected at a current time and the use time, and calculates to obtain unit power consumption of the single battery;
s4, constructing an electric quantity analysis model, establishing a relation model corresponding to the single temperature data and the unit power consumption by the electric quantity analysis model, and carrying out historical data statistics analysis model training; inputting current electric quantity data and single temperature data of a single battery of a battery pack to be detected at the current time of the single battery in an electric quantity analysis model, and then calculating to obtain electric quantity duration time of the single battery under corresponding single temperature data and an actual state of charge (SOC) value of the battery within the electric quantity duration time;
s5, a background server is further included, a preset state of charge (SOC) value of the single battery along with the temperature is set, the actual SOC value of the single battery at the same temperature is compared with the preset SOC value, and if the actual SOC value of the single battery is greater than or equal to the preset SOC value, the single battery is in a normal state within the electric quantity duration; if the actual state of charge (SOC) value of the battery is smaller than the preset SOC value, the battery is in a power shortage state within the electric quantity duration, and meanwhile a power shortage information report is sent to a background server.
2. The battery state monitoring method according to claim 1, wherein: further comprises:
and S6, integrating the total voltage data, the single current data and the single temperature data of each battery pack to be detected, generating a report and transmitting the report to a background server.
3. A battery condition monitoring system, characterized by: the device comprises a to-be-detected battery pack grouping module (110), a battery detection determining module (120), a battery data detection module (130), a unit power consumption calculation module (140), a power analysis module (150) and a comparison module (160);
the to-be-detected battery pack grouping module (110) is used for grouping all batteries in the to-be-detected battery pack in a mode that two adjacent batteries form a group of to-be-detected battery packs, and dividing the to-be-detected battery pack into a plurality of to-be-detected battery packs;
the battery detection determining module (120) is used for determining a series or parallel circuit connection mode of each battery pack to be detected;
the battery data detection module (130) comprises a unit power consumption calculation module (140) and a plurality of battery sampling detection devices, each battery pack to be detected is correspondingly provided with one battery sampling detection device, the battery sampling detection devices are used for detecting total voltage data, single current data and single temperature data of the battery packs to be detected, the single voltage data is voltage data of single batteries in the battery packs to be detected, the single current data is current data of the single batteries in the battery packs to be detected, and the single temperature data is temperature data of the single batteries in the battery packs to be detected; the battery data detection module (130) obtains initial electric quantity data of a single battery of the battery pack to be detected at an initial time, current electric quantity data of the single battery of the battery pack to be detected at a current time and a using time through the battery sampling detection device, and unit power consumption of the single battery is obtained through calculation of the unit power consumption calculation module (140);
an electric quantity analysis model is built in the electric quantity analysis module (150), and a relation model corresponding to the single temperature data and the unit power consumption is built in the electric quantity analysis model and historical data statistical analysis is carried out; the electric quantity analysis module (150) is used for inputting current electric quantity data and single temperature data of the single battery of the battery pack to be detected at the current time, and then calculating to obtain electric quantity duration time of the single battery under the corresponding single temperature data and an actual state of charge (SOC) value of the battery within the electric quantity duration time;
the comparison module (160) is internally provided with a preset state of charge (SOC) value of the single battery along with the temperature, and the comparison module (160) is used for comparing and judging the actual state of charge (SOC) value of the single battery at the same temperature with the preset state of charge (SOC) value; if the actual state of charge (SOC) value of the battery is greater than or equal to the preset SOC value, the battery is in a normal state within the electric quantity duration; if the actual state of charge (SOC) value of the battery is smaller than the preset SOC value, the battery is in a state of power shortage within the electric quantity duration.
4. An electronic device, characterized in that: comprising the following steps:
a memory for storing one or more programs;
a processor, which when executing one or more programs of a memory by the processor, implements the battery condition monitoring method of any one of claims 1 to 2.
5. A storage medium comprising a memory and a processor, the memory storing an executable program, characterized in that the processor implements the battery condition monitoring method of one of claims 1 to 2 when executing the executable program.
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