CN110190649B - Battery capacity evaluation correction charging and discharging device and correction method - Google Patents
Battery capacity evaluation correction charging and discharging device and correction method Download PDFInfo
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- CN110190649B CN110190649B CN201910473743.3A CN201910473743A CN110190649B CN 110190649 B CN110190649 B CN 110190649B CN 201910473743 A CN201910473743 A CN 201910473743A CN 110190649 B CN110190649 B CN 110190649B
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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
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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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
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
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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
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
A battery capacity assessment correction charge-discharge device and a correction method thereof comprise: battery charging outfit, rechargeable battery, the last battery management module that is equipped with of rechargeable battery, battery charging outfit includes: the device comprises a detection module, a charging module, a judgment module, a load module and a control module; the battery management module is used for detecting the electric quantity information of the rechargeable battery in real time; the detection module is connected with the rechargeable battery through a CAN data channel and is used for detecting the actual electric quantity of the rechargeable battery; the judging module is used for comparing the electric quantity information detected by the battery management module with the actual electric quantity of the battery measured by the detecting module; when the comparison information of the judgment module is inconsistent, the control module controls the load module and the charging module to sequentially perform cyclic discharge and charging on the rechargeable battery until the comparison information is consistent. The problem of battery capacity statistics deviation cause inconvenient use for the user is solved.
Description
Technical Field
The invention relates to the technical field of new energy rechargeable batteries, in particular to a battery capacity evaluation correction charging and discharging device and a correction method.
Background
In recent years, with the rapid development of new energy industry, people change the cognition of new energy, and rechargeable battery has obtained wide application in electric power system, for example, utilize unmanned aerial vehicle to carry out overhead transmission line's patrolling line, or plant protection etc. can effectively promote effects such as efficiency of patrolling and examining, saving manpower.
At present, the polymer lithium battery is widely adopted as the rechargeable battery in the model airplane and the model car, but the statistical deviation can occur in the capacity of the battery along with the increase of the use times of the battery, so that the charging of the rechargeable battery is easily influenced, the service life of the rechargeable battery is not facilitated, and the inconvenience in use is brought to users.
Therefore, the capacity of the rechargeable battery needs to be evaluated and corrected in time.
Disclosure of Invention
The first purpose of the present invention is to provide a battery capacity evaluation correction charging and discharging device, which has the advantage of correcting the battery capacity in time, in view of the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a battery capacity evaluation correction charge-discharge device comprising: battery charging outfit, rechargeable battery, the last battery management module that is equipped with of rechargeable battery, battery charging outfit includes: the device comprises a detection module, a charging module, a judgment module, a load module and a control module; the battery management module is used for detecting the electric quantity information of the rechargeable battery in real time; the detection module is connected with the rechargeable battery through a CAN data channel and is used for detecting the actual electric quantity of the rechargeable battery; the judging module is used for comparing the electric quantity information detected by the battery management module with the actual electric quantity of the battery measured by the detecting module; the load module is used for connecting the rechargeable battery and discharging the rechargeable battery; the charging module is used for charging the rechargeable battery; when the comparison information of the judgment module is inconsistent, the control module controls the load module and the charging module to sequentially perform cyclic discharge and charging on the rechargeable battery until the comparison information is consistent.
According to a further arrangement of the present invention, the control module controls the load module to discharge the rechargeable battery to 0% -3% of the total electric quantity.
According to the further arrangement of the invention, after the charging module finishes charging the rechargeable battery, the control module controls the charging module to switch into the micro current to continuously charge the rechargeable battery.
According to a further arrangement of the present invention, the charging device further comprises a storage module, wherein the storage module is configured to store the detection information of the rechargeable battery; the judging module acquires the detection information of the rechargeable battery from the storage module for comparison.
In a further aspect of the present invention, the charging device further includes a reminding module, where the reminding module includes: pilot lamp, buzzer, display screen.
The second objective of the present invention is to provide a method for calibrating a charging/discharging device for evaluating battery capacity, so as to avoid the battery capacity statistical deviation from causing the loss of the battery itself.
The above object of the present invention is achieved by the following technical solutions:
a method of correcting a charge-discharge device for battery capacity evaluation, the method correcting the charge-discharge device based on the above battery capacity evaluation, the method comprising:
s1, connecting the rechargeable battery 1 with the charging device 2;
s2, detecting the actual electric quantity of the rechargeable battery 1 by the detection module 21, and storing the detected actual electric quantity information in the storage module 26;
s3, the judging module 23 compares the actual electric quantity information of the rechargeable battery 1 with the electric quantity information detected by the battery management module 11, if the comparison information is inconsistent, the S4 is entered, otherwise, the S6 is entered;
s4, the control module 25 controls the load module 24 to connect the rechargeable battery 1, discharges the rechargeable battery 1 to the electric quantity of 0% -3%, and then controls the rechargeable battery 1 to connect with the charging module 22, and the charging module 22 charges the rechargeable battery 1;
s5, circulating S4 until the comparison value of the actual electric quantity information of the rechargeable battery 1 and the electric quantity information detected by the battery management module 11 by the judgment module 23 is consistent, and ending the correction;
s6, the control module 25 controls the charging module 22 to charge the rechargeable battery;
in a further aspect of the present invention, S4 further includes: when the charge of the rechargeable battery 1 reaches 100%, the control module 25 controls the charging module 22 to switch to the micro current, and continues to charge the rechargeable battery 1, so that the rechargeable battery 1 reaches a full charge state.
After the technical scheme is adopted, the invention has the beneficial effects that:
in the invention, the actual electric quantity of the rechargeable battery is detected by adopting the detection module on the charging equipment, then the actual electric quantity is judged by the judgment module to be compared with the electric quantity information on the battery management module, and when the comparison information is inconsistent, the control module corrects the rechargeable battery in time, so that when the electric quantity statistic deviation of the rechargeable battery occurs, the electric quantity information can be corrected by the charging equipment, thereby ensuring the normal display of the electric quantity of the rechargeable battery, avoiding the phenomenon of over-charging or under-charging in the charging process, and being convenient for users to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of the entire structure of the embodiment.
Description of reference numerals: 1. a rechargeable battery; 11. a battery management module; 2. a charging device; 21. a detection module; 22. a charging module; 23. a judgment module; 24. a load module; 25. a control module; 26. a storage module; 27. and a reminding module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.
Example (b): the present embodiment relates to a battery capacity estimation correction charge/discharge device, as shown in fig. 1, including: charging equipment 2, rechargeable battery 1 are provided with battery management module 11 on rechargeable battery 1, and charging equipment 2 includes: the device comprises a detection module 21, a charging module 22, a judgment module 23, a load module 24 and a control module 25.
The battery management module 11 is used for detecting the electric quantity information of the rechargeable battery 1 in real time, and the detection module 21 is connected with the rechargeable battery 1 through a CAN data channel and is used for detecting the actual electric quantity of the rechargeable battery 1; the judging module 23 is configured to compare the electric quantity information detected by the battery management module 11 with the actual electric quantity of the battery measured by the detecting module 21, the load module 24 is connected to the rechargeable battery 1 and is configured to discharge the rechargeable battery 1, the charging device 2 further includes a storage module 26, the storage module 26 is configured to store the detection information of the rechargeable battery 1, the judging module 23 obtains the detection information of the rechargeable battery 1 from the storage module 26 to compare the detection information, and when the comparison information of the judging module 23 is inconsistent, the control module 25 controls the load module 24 and the charging module 22 to sequentially perform cyclic discharge and charging on the rechargeable battery 1 until the comparison information is consistent.
In this embodiment, when the detection module 21 detects that the actual electric quantity of the rechargeable battery 1 is greater than 3% of the total electric quantity, the control module 25 controls the rechargeable battery 1 to be connected to the load module 24 for discharging, and the actual electric quantity needs to be discharged to 0% -3% of the total electric quantity, so as to ensure that the detected electric quantity value of the battery management module 11 of the rechargeable battery 1 is at the lowest value, after the discharging is completed, the control module 25 controls the rechargeable battery 1 to be connected to the charging module 22 for charging, and when the electric quantity reaches 100%, the control module 25 controls the charging module 22 to be switched to the micro current, so as to continue to charge the rechargeable battery 1, so that the rechargeable battery 1 reaches the full charge state, and simultaneously ensures that the detected electric quantity value of the battery management module 11 of the rechargeable battery 1 is at the highest value, thereby gradually correcting the electric quantity of.
Charging equipment 2 still includes reminding module 27, and is specific, reminds module 27 to include: when the judgment module 23 judges that the detection electric quantity of the detection module 21 is consistent with the detection electric quantity information of the battery management module 11, the control module 25 controls the indicator lamp to light, and sends out a reminding sound through the buzzer, the display screen prompts the user to finish the capacity calibration, and what needs to be explained is that the display screen is also used for reminding the user to perform the capacity calibration.
Based on the above battery capacity estimation correction charging and discharging device, the present embodiment also relates to a correction method for the battery capacity estimation correction charging and discharging device, the method includes:
s1, connecting the rechargeable battery 1 with the charging device 2;
s2, detecting the actual electric quantity of the rechargeable battery 1 by the detection module 21, and storing the detected actual electric quantity information in the storage module 26;
s3, the judging module 23 compares the actual electric quantity information of the rechargeable battery 1 with the electric quantity information detected by the battery management module 11, if the comparison information is inconsistent, the S4 is entered, otherwise, the S6 is entered;
s4, the control module 25 controls the load module 24 to connect the rechargeable battery 1, discharges the rechargeable battery 1 to the electric quantity of 0% -3%, and then controls the rechargeable battery 1 to connect with the charging module 22, and the charging module 22 charges the rechargeable battery 1;
when the electric quantity of the rechargeable battery 1 reaches 100%, the control module 25 controls the charging module 22 to switch to the micro current, and the rechargeable battery 1 is continuously charged, so that the rechargeable battery 1 reaches a full charge state;
s5, circulating S4 until the comparison value of the actual electric quantity information of the rechargeable battery 1 and the electric quantity information detected by the battery management module 11 by the judgment module 23 is consistent, and ending the correction;
s6, the control module 25 controls the charging module 22 to charge the rechargeable battery.
The specific operation process of this embodiment is as follows: connecting the rechargeable battery 1 with the charging device 2, detecting the actual electric quantity of the rechargeable battery 1 by a detection module 21 of the charging device 2, and simultaneously acquiring the electric quantity information detected in the battery management module 11, wherein the detection information of the rechargeable battery 1 is stored in a storage module 26, and a judgment module 23 acquires the two detected electric quantities from the storage module 26 for comparison; when the comparison information is inconsistent and the electric quantity detected by the detection module 21 is greater than 3%, the control module 25 controls the load module 24 to connect the rechargeable battery 1, the rechargeable battery 1 is discharged until the electric quantity is 0% -3%, then the rechargeable battery 1 is controlled to be connected with the charging module 22, the charging module 22 charges the rechargeable battery 1, it should be noted that when the electric quantity reaches 100%, the control module 25 controls the charging module 22 to switch to the micro current, the rechargeable battery 1 is continuously charged, so that the rechargeable battery 1 reaches a full charge state, the discharging and charging processes of the rechargeable battery 1 are cycled until the comparison information of the judgment module 23 is consistent, that is, the detection value of the battery management module 11 is consistent with the detection value of the detection module 21, and then the electric quantity correction of the rechargeable battery 1 is completed.
When the comparison information is inconsistent and the electric quantity detected by the detection module 21 is less than 3%, the control module 25 controls the rechargeable battery 1 to be connected with the charging module 22, the charging module 22 charges the rechargeable battery 1, it should be noted that when the electric quantity reaches 100%, the control module 25 controls the charging module 22 to switch to the micro current, and continues to charge the rechargeable battery 1, so that the rechargeable battery 1 reaches a full charge state, after the charging is completed, the control module 25 controls the load module 24 to be connected with the rechargeable battery 1, and discharges the rechargeable battery 1 to 0% -3% of the electric quantity, so that the charging and discharging processes of the rechargeable battery 1 are circulated until the comparison information of the judgment module 23 is consistent, that is, the detection value of the battery management module 11 is consistent with the detection value of the detection module 21, and then the electric quantity correction of the rechargeable battery 1 is completed.
In other embodiments, a preset value may be set in the storage module 26, the determining module 23 compares the power information detected by the detecting module 21 with the power information detected by the battery management module 11 to determine a difference, and compares the difference with the preset value, when the difference is greater than the preset value, the controlling module 25 only controls the load module 24 and the charging module 22 to perform the calibration process on the rechargeable battery 1, and when the difference is less than the preset value, it indicates that the power deviation is small, and therefore, no significant influence is temporarily caused, and the calibration process may not be performed, which is beneficial to saving calibration power.
The working principle of the present embodiment is roughly as follows: adopt detection module 21 to detect rechargeable battery 1's actual electric quantity on battery charging outfit 2, rethread judge module 23 judges actual electric quantity and compares with the electric quantity information on the battery management module 11, when the information of comparing is inconsistent, in time rectify rechargeable battery 1 by control module 25, when making rechargeable battery 1 the electric quantity statistics deviation, can rectify its electric quantity information through battery charging outfit 2, thereby ensure the normal demonstration of rechargeable battery 1 electric quantity, avoid appearing the phenomenon of overcharging or filling less in the charging process, the user of being convenient for uses simultaneously.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered by the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A battery capacity evaluation correction charge-discharge device comprising: battery charging outfit (2), rechargeable battery (1), its characterized in that, be equipped with battery management module (11) on rechargeable battery (1), battery charging outfit (2) include: the device comprises a detection module (21), a charging module (22), a judgment module (23), a load module (24) and a control module (25);
the battery management module (11) is used for detecting the electric quantity information of the rechargeable battery (1) in real time;
the detection module (21) is connected with the rechargeable battery (1) through a CAN data channel and is used for detecting the actual electric quantity of the rechargeable battery (1);
the judging module (23) is used for comparing the electric quantity information detected by the battery management module (11) with the actual electric quantity of the battery measured by the detecting module (21);
the load module (24) is used for connecting the rechargeable battery (1) and discharging the rechargeable battery (1);
the charging module (22) is used for charging the rechargeable battery (1);
when the comparison information of the judgment module (23) is inconsistent, the control module (25) controls the load module (24) and the charging module (22) to sequentially perform cyclic discharge and charging on the rechargeable battery (1) until the comparison information is consistent.
2. The battery capacity estimation correction charge-discharge device according to claim 1, wherein the control module (25) controls the load module (24) to discharge the rechargeable battery (1) to 0% -3% of the total charge.
3. The device for battery capacity estimation correction charging and discharging according to claim 1, wherein after the charging module (22) completes charging the rechargeable battery (1), the control module (25) controls the charging module (22) to switch to micro current to continue charging the rechargeable battery (1).
4. The battery capacity evaluation correction charge-discharge apparatus according to claim 1, wherein the charging device (2) further comprises a storage module (26), the storage module (26) is used for storing detection information of the rechargeable battery (1);
the judging module (23) acquires the detection information of the rechargeable battery (1) from the storage module (26) for comparison.
5. The battery capacity evaluation correction charge-discharge apparatus according to claim 1, wherein the charging device (2) further comprises a reminder module (27), the reminder module (27) comprising: pilot lamp, buzzer, display screen.
6. A method for correcting a charge/discharge device for battery capacity estimation, based on the battery capacity estimation of any one of claims 1 to 5, comprising:
s1, connecting the rechargeable battery (1) with the charging device (2);
s2, detecting the actual electric quantity of the rechargeable battery (1) by the detection module (21) and storing the detected actual electric quantity information in the storage module (26);
s3, the judging module (23) compares the actual electric quantity information of the rechargeable battery (1) with the electric quantity information detected by the battery management module (11), if the comparison information is inconsistent, the S4 is entered, otherwise, the S6 is entered;
s4, the control module (25) controls the load module (24) to be connected with the rechargeable battery (1), the rechargeable battery (1) is discharged until the electric quantity is 0% -3%, then the rechargeable battery (1) is controlled to be connected with the charging module (22), and the rechargeable battery (1) is charged by the charging module (22);
s5, circulating S4 until the comparison value of the actual electric quantity information of the rechargeable battery (1) and the electric quantity information detected by the battery management module (11) by the judgment module (23) is consistent, and ending the correction;
and S6, the control module (25) controls the charging module (22) to charge the rechargeable battery.
7. The method according to claim 6, wherein the step S4 further comprises: when the electric quantity of the rechargeable battery 1 reaches 100%, the control module (25) controls the charging module (22) to switch to the micro current, and the rechargeable battery (1) is continuously charged, so that the rechargeable battery (1) reaches a full-charge state.
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