CN111900500A - Method for diagnosing health of battery - Google Patents
Method for diagnosing health of battery Download PDFInfo
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- CN111900500A CN111900500A CN202010754927.XA CN202010754927A CN111900500A CN 111900500 A CN111900500 A CN 111900500A CN 202010754927 A CN202010754927 A CN 202010754927A CN 111900500 A CN111900500 A CN 111900500A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a method for diagnosing the health of a battery, which comprises the following steps: the method comprises the steps that a user background obtains detailed battery information through a BLE technology; checking whether the BMS has active abnormal information to report; if so, popping up a warning window by the user, and prompting the user to carry out maintenance; if not, the user background carries out diagnosis analysis on the received detailed battery information. According to the invention, the battery parameter information is acquired by the user background, and the battery state is analyzed according to the battery parameter information, so that the battery fault condition is judged, a terminal consumer can know the battery condition to acquire the detailed battery information and the condition whether the battery has a fault or not, and the battery repair suggestion and the after-sales service are pushed to the user in time, so that the user can enjoy better after-sales service.
Description
Technical Field
The invention relates to the technical field of battery management, in particular to a battery health diagnosis method.
Background
Nowadays, the demand of power batteries in new energy industries in daily life is getting larger and larger, and the application range of the power batteries is also very wide, so that safety accidents caused by the power batteries are more and more. The lithium battery is mainly balanced to voltage, electric current, battery through BMS battery management system realization, and each point temperature monitoring, battery data such as SOC gather, then protect the battery through protective function such as overvoltage protection, overcurrent protection, the protection of putting excessively, short-circuit protection, temperature protection.
Although the production technology of the lithium battery is mature day by day, the BMS battery management system and the protection function of the lithium battery system can effectively protect the battery, the battery is difficult to avoid the safety problem of accidents in the use process, and the main reason is that people cannot simply and conveniently detect the health state of the battery in real time at present to determine whether the battery is safe or not, so that accidents are caused.
Accordingly, there is a need in the art for improvements.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is as follows: a method for diagnosing the health of a battery is provided to solve the problems in the prior art.
According to an aspect of an embodiment of the present invention, there is disclosed a method of battery health diagnosis, including:
the method comprises the steps that a user background obtains detailed battery information through a BLE technology, wherein the detailed battery information comprises battery voltage, current, residual electric quantity, BMS state information and battery cell performance information;
checking whether the BMS reports active abnormal information or not, wherein the BMS active abnormal information report comprises a BMS fault indicator lamp flashing alarm and BMS reporting alarm information of a user background;
if so, popping up a warning window by the user, and prompting the user to carry out maintenance;
if not, the user background carries out diagnosis and analysis on the received detailed battery information;
if the voltage of the single battery is lower than the set voltage threshold value and the average battery voltage of the whole battery pack is greater than the set threshold value, judging that the battery is bad, and prompting a user to replace the battery;
if the voltage loss of a single battery exceeds a set threshold after the battery is kept still for a set time, judging that the battery loss is unbalanced, and prompting a user to perform balanced maintenance on the battery;
if the battery has the maximum value record and the voltage maximum value record is larger than the set voltage threshold value, and no error exists in BMS charging management, judging that the battery is a protective plate and poor in wire arrangement, and prompting a user to replace the wire arrangement of the battery;
if the humidity of the working environment of the battery is greater than the set threshold value and the continuous working time exceeds the set time length, judging that the battery is filled with water, prompting a user to stop using the battery immediately, and avoiding explosion;
if the voltage of one battery is close to the average value and the voltage of the other battery is higher than the set voltage difference threshold value in the two adjacent batteries, the flat cable of the battery protection board with high voltage is judged to be bad, and a user is prompted to replace the flat cable of the battery.
In another embodiment of the above method for diagnosing battery health, the obtaining, by the user background through BLE technology, detailed battery information includes:
the battery is provided with a Bluetooth module, and the BMS is connected with the user background through the Bluetooth module;
a user background accesses the BMS and acquires the BMS data authority;
the BMS reports the battery information to a user background in real time;
and the background of the user sets a battery working parameter threshold value and judges the working condition of the battery according to the real-time data of the battery.
In another embodiment of the above battery health diagnosis method, the checking whether the BMS has active abnormal information to report includes:
the BMS monitors the working condition of the battery and judges whether the battery has abnormal parameters;
when the BMS finds that the working parameters of the battery are abnormal, an alarm mechanism is triggered;
the BMS self alarm module informs a user of the occurrence of battery abnormity through a light display;
and the user background acquires the alarm information of the BMS through the BLE technology.
In another embodiment of the above method for diagnosing battery health, the step of performing diagnostic analysis on the received detailed information of the battery by the user background is to perform diagnostic analysis on the operating parameters of the single batteries of the battery pack one by one, and further determine whether an abnormal behavior exists during the operation of a certain single battery, and determine the cause of the failure problem through the abnormal behavior.
In another embodiment of the above method for diagnosing battery health, if the voltage of a single battery is lower than a set voltage threshold and the average battery voltage of the entire battery pack is greater than the set threshold, determining that the battery is bad, and prompting the user to replace the battery includes:
polling the voltage condition of each battery in the current battery pack by a user background;
if the voltage of a certain battery is lower than 1.9V and is more than 10mV, recording the battery information, and calibrating the battery;
calculating the average voltage of all batteries in the current battery pack, and if the average voltage of all batteries in the current battery pack is more than 2.8V;
and judging that the calibrated battery is a bad battery, sending the bad battery information to the user by the user background, and prompting that the battery needs to be replaced.
In another embodiment of the above method for diagnosing battery health, if the voltage loss of a single battery exceeds a set threshold after the battery is left standing for a set time, determining that the battery loss is unbalanced, and prompting a user to perform balanced maintenance on the battery includes:
after the battery pack after charging is kept still for 2 hours, a user background polls the voltage condition of each battery in the current battery pack;
if the battery loss of a certain battery is more than 9%, recording the battery information, and calibrating the battery;
and the user background judges that the calibrated battery is unbalanced in loss, sends the poor battery information to the user, and prompts the user to perform balanced maintenance on the battery.
In another embodiment of the above method for diagnosing battery health, if the battery has a maximum record and the maximum record of voltage is greater than the set voltage threshold, and there is no error in BMS charging management, determining that the battery is a protection board and the cable is bad, and prompting the user to replace the cable comprises:
recording parameter information of each battery in the battery pack by a user background, and extracting maximum voltage value information of each battery;
judging whether the extracted maximum voltage value information of the battery is the battery with voltage exceeding 4280mV, and if so, calibrating the battery;
checking whether the calibrated battery in the BMS displays charging MOS tube errors or not;
if yes, judging that the battery is in failure, and replacing the battery;
if not, the battery protection board is judged to have poor recording flat cable, the user background sends poor battery information to the user, and the battery is prompted to replace the battery core flat cable.
In another embodiment of the above method for diagnosing battery health, if the humidity of the battery working environment is greater than the set threshold and the continuous working time exceeds the set time length, determining that the battery is flooded, and prompting the user to stop using the battery immediately, wherein the avoiding of explosion includes:
a user background acquires the working humidity and battery temperature information of a battery pack in the BMS;
judging whether the working environment humidity of the battery is greater than a set threshold value or not, and monitoring the accumulated time length of the working environment humidity greater than the set threshold value;
judging whether the accumulated time length is greater than a set time threshold value or not;
if so, judging that the battery is filled, sending the water filling information of the battery to a user by a user background, and prompting the user to stop using the battery immediately;
monitoring whether the temperature information of the battery is greater than a set temperature threshold value or not, wherein the time length of exceeding the temperature threshold value is greater than a set time threshold value;
if yes, the battery is judged to be about to explode, the user background sends the information that the battery is about to explode to the user, and the user is reminded to immediately deal with the explosion, so that the battery explosion is prevented.
In another embodiment of the above battery health diagnosis method according to the invention, if the voltage of one battery is close to the average value and the voltage of the other battery is higher than the set voltage difference threshold value, the determining that the flat cable of the battery protection board with the high voltage is bad and prompting the user to replace the flat cable of the battery protection board includes:
the method comprises the steps that a user background obtains current voltage information of all batteries of a battery pack, and calculates the average voltage of the batteries in the battery pack;
polling the voltage information of each battery, and comparing the voltage information of the current battery with the voltage information of the previous battery adjacent to the current battery;
judging whether the voltage difference between the current battery and the previous battery exceeds a set threshold value;
if yes, judging whether the voltage difference between the last battery and the average voltage difference between the batteries in the battery pack exceeds a set threshold value;
if not, judging that the wire arrangement of the battery protection board of the current battery is poor, sending poor battery information to a user by a user background, and prompting to replace the wire arrangement of the battery core of the battery;
if yes, judging whether the last battery has poor wiring of the battery protection board.
Compared with the prior art, the invention has the following advantages:
according to the battery health diagnosis method, the battery parameter information is acquired by the user background, the state of the battery is analyzed according to the battery parameter information, so that the battery fault condition is judged, a terminal consumer can know the battery condition to acquire the detailed battery information and the condition whether the fault exists in the battery, the battery repair suggestion and the after-sales service are pushed to the user in time, and the user can enjoy the better after-sales service.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings used in the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of one embodiment of a method of battery health diagnosis of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The method for diagnosing the health of a battery according to the present invention will be described in more detail with reference to the accompanying drawings and examples.
Fig. 1 is a flowchart of an embodiment of a method of diagnosing battery health of the present invention, which includes, as shown in fig. 1:
10, a user background acquires detailed battery information through a BLE technology, wherein the detailed battery information comprises battery voltage, current, residual electric quantity, BMS state information and battery cell performance information;
20, checking whether the BMS reports active abnormal information, wherein the BMS active abnormal information report comprises a BMS fault indicator lamp flashing alarm and BMS reporting alarm information of a user background;
30, if yes, popping up a warning window by the user to prompt the user to maintain;
40, if not, the user background carries out diagnosis analysis on the received detailed battery information;
50, if the voltage of the single battery is lower than a set voltage threshold and the average battery voltage of the whole battery group is greater than the set threshold, judging that the battery is bad, and prompting a user to replace the battery;
60, if the voltage loss of a single battery exceeds a set threshold after the battery is kept still for a set time, judging that the battery loss is unbalanced, and prompting a user to perform balanced maintenance on the battery;
70, if the battery has the maximum record and the maximum record of the voltage is larger than the set voltage threshold value, and no error exists in BMS charging management, judging that the battery is a protective plate and poor in wire arrangement, and prompting a user to replace the wire arrangement of the battery;
80, if the humidity of the working environment of the battery is greater than a set threshold value and the continuous working time exceeds a set time length, judging that the battery is filled with water, prompting a user to stop using the battery immediately, and avoiding explosion;
and 90, if the voltage of one battery is close to the average value and the voltage of the other battery is higher than the set voltage difference threshold value in the two adjacent batteries, judging that the flat cable of the battery protection board with high voltage is poor, and prompting a user to replace the flat cable of the battery.
The obtaining of the detailed information of the battery by the user background through the BLE technology comprises the following steps:
the battery is provided with a Bluetooth module, and the BMS is connected with the user background through the Bluetooth module;
a user background accesses the BMS and acquires the BMS data authority;
the BMS reports the battery information to a user background in real time;
and the background of the user sets a battery working parameter threshold value and judges the working condition of the battery according to the real-time data of the battery.
The checking whether the BMS has active abnormal information to report comprises the following steps:
the BMS monitors the working condition of the battery and judges whether the battery has abnormal parameters;
when the BMS finds that the working parameters of the battery are abnormal, an alarm mechanism is triggered;
the BMS self alarm module informs a user of the occurrence of battery abnormity through a light display;
and the user background acquires the alarm information of the BMS through the BLE technology.
The user background carries out diagnosis and analysis on the received detailed battery information, namely carries out diagnosis and analysis on the working parameters of the single batteries of the battery pack one by one, further judges whether abnormal behaviors exist during the working of a certain single battery, and judges the fault reason according to the abnormal behaviors.
If the voltage of the single battery is lower than the set voltage threshold value and the average battery voltage of the whole battery group is greater than the set threshold value, the battery is judged to be bad, and a user is prompted to replace the battery, wherein the step of:
polling the voltage condition of each battery in the current battery pack by a user background;
if the voltage of a certain battery is lower than 1.9V and is more than 10mV, recording the battery information, and calibrating the battery;
calculating the average voltage of all batteries in the current battery pack, and if the average voltage of all batteries in the current battery pack is more than 2.8V;
and judging that the calibrated battery is a bad battery, sending the bad battery information to the user by the user background, and prompting that the battery needs to be replaced.
If the battery is after setting for a duration of standing, the voltage loss of a single battery exceeds a set threshold, then judging that the battery loss is unbalanced, and prompting a user to perform balance maintenance on the battery comprises:
after the battery pack after charging is kept still for 2 hours, a user background polls the voltage condition of each battery in the current battery pack;
if the battery loss of a certain battery is more than 9%, recording the battery information, and calibrating the battery;
and the user background judges that the calibrated battery is unbalanced in loss, sends the poor battery information to the user, and prompts the user to perform balanced maintenance on the battery.
If the battery has the most value record, and its voltage maximum value record is greater than the settlement voltage threshold, BMS charge management is errorless, then judges that this battery is for the protection shield winding displacement is bad, and the suggestion user includes for changing the battery winding displacement:
recording parameter information of each battery in the battery pack by a user background, and extracting maximum voltage value information of each battery;
judging whether the extracted maximum voltage value information of the battery is the battery with voltage exceeding 4280mV, and if so, calibrating the battery;
checking whether the calibrated battery in the BMS displays charging MOS tube errors or not;
if yes, judging that the battery is in failure, and replacing the battery;
if not, the battery protection board is judged to have poor recording flat cable, the user background sends poor battery information to the user, and the battery is prompted to replace the battery core flat cable.
If battery operational environment humidity is greater than the settlement threshold value, and the duration exceeds the settlement time length, then judge that the battery intakes, the suggestion user stops to use the battery immediately, avoid exploding including:
a user background acquires the working humidity and battery temperature information of a battery pack in the BMS;
judging whether the working environment humidity of the battery is greater than a set threshold value or not, and monitoring the accumulated time length of the working environment humidity greater than the set threshold value;
judging whether the accumulated time length is greater than a set time threshold value or not;
if so, judging that the battery is filled, sending the water filling information of the battery to a user by a user background, and prompting the user to stop using the battery immediately;
monitoring whether the temperature information of the battery is greater than a set temperature threshold value or not, wherein the time length of exceeding the temperature threshold value is greater than a set time threshold value;
if yes, the battery is judged to be about to explode, the user background sends the information that the battery is about to explode to the user, and the user is reminded to immediately deal with the explosion, so that the battery explosion is prevented.
If in two adjacent section batteries, the voltage of a section battery is close to the average value, and the voltage of another section battery is higher than the voltage difference threshold value of setting for, then it is bad to judge the battery protection board winding displacement that voltage is high, and the suggestion user changes the battery winding displacement and includes:
the method comprises the steps that a user background obtains current voltage information of all batteries of a battery pack, and calculates the average voltage of the batteries in the battery pack;
polling the voltage information of each battery, and comparing the voltage information of the current battery with the voltage information of the previous battery adjacent to the current battery;
judging whether the voltage difference between the current battery and the previous battery exceeds a set threshold value;
if yes, judging whether the voltage difference between the last battery and the average voltage difference between the batteries in the battery pack exceeds a set threshold value;
if not, judging that the wire arrangement of the battery protection board of the current battery is poor, sending poor battery information to a user by a user background, and prompting to replace the wire arrangement of the battery core of the battery;
if yes, judging whether the last battery has poor wiring of the battery protection board.
The method for diagnosing the health of the battery provided by the invention is described in detail above, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A method of battery health diagnosis, comprising:
the method comprises the steps that a user background obtains detailed battery information through a BLE technology, wherein the detailed battery information comprises battery voltage, current, residual electric quantity, BMS state information and battery cell performance information;
checking whether the BMS reports active abnormal information or not, wherein the BMS active abnormal information report comprises a BMS fault indicator lamp flashing alarm and BMS reporting alarm information of a user background;
if so, popping up a warning window by the user, and prompting the user to carry out maintenance;
if not, the user background carries out diagnosis and analysis on the received detailed battery information;
if the voltage of the single battery is lower than the set voltage threshold value and the average battery voltage of the whole battery pack is greater than the set threshold value, judging that the battery is bad, and prompting a user to replace the battery;
if the voltage loss of a single battery exceeds a set threshold after the battery is kept still for a set time, judging that the battery loss is unbalanced, and prompting a user to perform balanced maintenance on the battery;
if the battery has the maximum value record and the voltage maximum value record is larger than the set voltage threshold value, and no error exists in BMS charging management, judging that the battery is a protective plate and poor in wire arrangement, and prompting a user to replace the wire arrangement of the battery;
if the humidity of the working environment of the battery is greater than the set threshold value and the continuous working time exceeds the set time length, judging that the battery is filled with water, prompting a user to stop using the battery immediately, and avoiding explosion;
if the voltage of one battery is close to the average value and the voltage of the other battery is higher than the set voltage difference threshold value in the two adjacent batteries, the flat cable of the battery protection board with high voltage is judged to be bad, and a user is prompted to replace the flat cable of the battery.
2. The method according to claim 1, wherein the user background obtaining battery details via BLE technology comprises:
the battery is provided with a Bluetooth module, and the BMS is connected with the user background through the Bluetooth module;
a user background accesses the BMS and acquires the BMS data authority;
the BMS reports the battery information to a user background in real time;
and the background of the user sets a battery working parameter threshold value and judges the working condition of the battery according to the real-time data of the battery.
3. The method of claim 1, wherein the checking whether the BMS has active abnormal information reported comprises:
the BMS monitors the working condition of the battery and judges whether the battery has abnormal parameters;
when the BMS finds that the working parameters of the battery are abnormal, an alarm mechanism is triggered;
the BMS self alarm module informs a user of the occurrence of battery abnormity through a light display;
and the user background acquires the alarm information of the BMS through the BLE technology.
4. The method for battery health diagnosis according to claim 1, wherein the step of performing diagnostic analysis on the received detailed information of the battery by the user background comprises performing diagnostic analysis on operating parameters of single batteries of the battery pack one by one, further determining whether an abnormal behavior exists during operation of a single battery, and determining the cause of the failure problem through the abnormal behavior.
5. The method for battery health diagnosis according to claim 1, wherein if the voltage of the single battery is lower than the set voltage threshold and the average battery voltage of the whole battery pack is greater than the set threshold, determining that the battery is bad, and prompting the user to replace the battery comprises:
polling the voltage condition of each battery in the current battery pack by a user background;
if the voltage of a certain battery is lower than 1.9V and is more than 10mV, recording the battery information, and calibrating the battery;
calculating the average voltage of all batteries in the current battery pack, and if the average voltage of all batteries in the current battery pack is more than 2.8V;
and judging that the calibrated battery is a bad battery, sending the bad battery information to the user by the user background, and prompting that the battery needs to be replaced.
6. The method for battery health diagnosis according to claim 1, wherein if the voltage loss of a single battery exceeds a set threshold after the battery is left standing for a set period of time, determining that the battery loss is unbalanced, and prompting a user to perform balanced maintenance on the battery comprises:
after the battery pack after charging is kept still for 2 hours, a user background polls the voltage condition of each battery in the current battery pack;
if the battery loss of a certain battery is more than 9%, recording the battery information, and calibrating the battery;
and the user background judges that the calibrated battery is unbalanced in loss, sends the poor battery information to the user, and prompts the user to perform balanced maintenance on the battery.
7. The method of claim 1, wherein if the battery has the most value record and the maximum voltage record is greater than the set voltage threshold value and no error occurs in the BMS charging management, determining that the battery is a bad flat cable for the protection board and prompting the user to replace the flat cable comprises:
recording parameter information of each battery in the battery pack by a user background, and extracting maximum voltage value information of each battery;
judging whether the extracted maximum voltage value information of the battery is the battery with voltage exceeding 4280mV, and if so, calibrating the battery;
checking whether the calibrated battery in the BMS displays charging MOS tube errors or not;
if yes, judging that the battery is in failure, and replacing the battery;
if not, the battery protection board is judged to have poor recording flat cable, the user background sends poor battery information to the user, and the battery is prompted to replace the battery core flat cable.
8. The method for battery health diagnosis according to claim 1, wherein if the humidity of the battery working environment is greater than the set threshold and the continuous working time exceeds the set time length, determining that the battery is flooded, and prompting the user to stop using the battery immediately, wherein the avoiding of explosion comprises:
a user background acquires the working humidity and battery temperature information of a battery pack in the BMS;
judging whether the working environment humidity of the battery is greater than a set threshold value or not, and monitoring the accumulated time length of the working environment humidity greater than the set threshold value;
judging whether the accumulated time length is greater than a set time threshold value or not;
if so, judging that the battery is filled, sending the water filling information of the battery to a user by a user background, and prompting the user to stop using the battery immediately;
monitoring whether the temperature information of the battery is greater than a set temperature threshold value or not, wherein the time length of exceeding the temperature threshold value is greater than a set time threshold value;
if yes, the battery is judged to be about to explode, the user background sends the information that the battery is about to explode to the user, and the user is reminded to immediately deal with the explosion, so that the battery explosion is prevented.
9. The method for battery health diagnosis according to claim 1, wherein if the voltage of one battery is close to the average value and the voltage of the other battery is higher than the set voltage difference threshold value, determining that the flat cable of the battery protection board with high voltage is bad, and prompting the user to replace the flat cable of the battery protection board comprises:
the method comprises the steps that a user background obtains current voltage information of all batteries of a battery pack, and calculates the average voltage of the batteries in the battery pack;
polling the voltage information of each battery, and comparing the voltage information of the current battery with the voltage information of the previous battery adjacent to the current battery;
judging whether the voltage difference between the current battery and the previous battery exceeds a set threshold value;
if yes, judging whether the voltage difference between the last battery and the average voltage difference between the batteries in the battery pack exceeds a set threshold value;
if not, judging that the wire arrangement of the battery protection board of the current battery is poor, sending poor battery information to a user by a user background, and prompting to replace the wire arrangement of the battery core of the battery;
if yes, judging whether the last battery has poor wiring of the battery protection board.
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| CN114509682A (en) * | 2021-12-27 | 2022-05-17 | 安徽锐能科技有限公司 | Correction method of lithium battery SOC estimation algorithm, SOC estimation algorithm and storage medium |
| CN114509682B (en) * | 2021-12-27 | 2024-01-12 | 安徽锐能科技有限公司 | Correction method of lithium battery SOC estimation algorithm and storage medium |
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Application publication date: 20201106 |