CN113922435A - Automatic charging and discharging maintenance strategy for lithium power battery pack - Google Patents
Automatic charging and discharging maintenance strategy for lithium power battery pack Download PDFInfo
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- CN113922435A CN113922435A CN202110135716.2A CN202110135716A CN113922435A CN 113922435 A CN113922435 A CN 113922435A CN 202110135716 A CN202110135716 A CN 202110135716A CN 113922435 A CN113922435 A CN 113922435A
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- battery
- strategy
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- battery pack
- maintenance
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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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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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
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
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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
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
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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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an automatic charging and discharging maintenance strategy for a lithium power battery pack, which comprises a balance strategy, a full-power strategy, a discharging strategy and a maintenance strategy; the balance strategy is used for charging and discharging the lithium power battery so that the battery is in a maintenance state; the full-power strategy is used for charging the lithium power battery so that the battery is in a full-power state; the discharge strategy is used for discharging the lithium power battery so that the battery is in a maintenance state; the maintenance strategy comprises a small circulation strategy and a deep circulation strategy and is used for carrying out periodical maintenance on the battery pack. Through the mode, the lithium power battery pack can be automatically maintained and maintained, and the activity of the battery pack is improved.
Description
Technical Field
The invention relates to the field of lithium power battery packs, in particular to an automatic charging and discharging maintenance strategy for a lithium power battery pack.
Background
In daily life, the lithium power battery pack serves as a power source for power supply. However, the battery pack is not used for a long time or is over-discharged, the activity of lithium ions is weakened, the capacity of the battery pack is influenced, the service life of the battery pack is greatly shortened, and even a virtual electricity phenomenon occurs, but the activity of the lithium battery pack charged for a long time is quickly weakened.
Disclosure of Invention
The invention aims to provide an automatic charging and discharging maintenance strategy for a lithium power battery pack, which can not only keep the activity of the lithium power battery pack, but also greatly improve the utilization rate of the battery.
In order to solve the technical problems, the invention adopts a technical scheme that: the lithium power battery pack automatic charging and discharging maintenance strategy is characterized by comprising a balance strategy, a full-power strategy, a discharging strategy and a maintenance strategy;
the balance strategy is used for charging and discharging the lithium power battery so that the battery is in a maintenance state;
the full-power strategy is used for charging the lithium power battery so that the battery is in a full-power state;
the discharge strategy is used for discharging the lithium power battery so that the battery is in a maintenance state;
the maintenance strategy comprises a small circulation strategy and a deep circulation strategy and is used for carrying out periodical maintenance on the battery pack.
Further, the automatic charging and discharging maintenance steps are as follows:
step 1.1), putting a lithium power battery I on line, and detecting the voltage of a single-core battery of the battery;
step 1.2) judging whether the voltage of the single-cell battery is 3.85V to judge whether the battery is in a maintenance state, a high-power state or a low-power state, and adjusting the single-cell battery to the maintenance state;
step 1.3) judging whether the lithium power battery is inserted for 3 months, if so, discharging the battery pack to a zero-electricity state, and recharging to a maintenance state;
step 1.4) if the power battery pack does not meet the requirement for 3 months, judging whether the power battery pack meets the requirement for 3 days after being inserted, and if the power battery pack meets the requirement for 3 days, judging whether the battery pack is in a full-power state;
step 1.5) judging whether the availability ratio of the lithium power battery pack does not need to be adjusted, and if not, keeping the battery in a maintenance state;
and step 1.6) if the battery pack needs to be adjusted, judging whether the battery pack needs to be discharged or not to determine whether the battery pack belongs to a discharging strategy or a full-power strategy.
Further, the voltage of the single-core battery in the step 1.2) is 3.85V, and the battery is in a maintenance state.
Further, the voltage of the single-core battery in the step 1.2) is larger than 3.85V, whether the voltage of the single-core battery is 4.2V or not is judged, if the voltage of the single-core battery is 4.2V, the battery pack is in a full-charge state, and if the voltage of the single-core battery is not 4.2V, the battery is in a high-charge state, and the battery is discharged to a maintenance state.
Further, the voltage of the single-core battery in the step 1.2) is 0V, the battery is in a zero-power state, and if the voltage is not 0V, the battery is in a low-power state, and the battery pack is charged to a maintenance state.
Further, said step 1.2) a step of balancing the strategy to maintain the battery pack in a maintenance state.
Further, step 1.3) is a step of a deep cycle strategy, and is used for recharging the battery pack to a maintenance state after the battery pack power source is exhausted.
Further, the battery in the step 1.4) is in a full-charge state, and the battery is discharged to a maintenance state; and 1.4) keeping the battery in a maintenance state when the battery is not in a full-power state.
Further, the step 1.4) is a small circulation strategy, which is used for keeping the battery pack to circulate in sequence for 3 days, so that the battery availability is ensured.
Further, the battery in the step 1.6) needs to be discharged, and the battery is discharged to a maintenance state, which belongs to a discharge strategy; the battery in the step 1.6) is charged to a full-charge state without discharging, and belongs to a full-charge strategy.
The invention has the beneficial effects that: the automatic charging and discharging maintenance strategy for the lithium power battery pack can realize automatic maintenance and repair of the lithium power battery pack and improve the activity of the battery pack.
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, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a system diagram illustrating an automatic charging and discharging maintenance strategy for a lithium-powered battery pack according to the present invention;
fig. 2 is a flowchart of an automatic charging/discharging maintenance strategy for a lithium-ion power battery pack according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in the drawings and described in accordance with the drawings are exemplary only, and the invention is not limited to these embodiments.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
Also, in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 2, an embodiment of the present invention includes: as shown in fig. 1, an automatic charging and discharging maintenance strategy for a lithium-ion power battery pack includes a balancing strategy, a full-charge strategy, a discharging strategy and a maintenance strategy, and is characterized in that,
the balance strategy is used for charging and discharging the lithium power battery so that the battery is in a maintenance state;
the full-power strategy is used for charging the lithium power battery so that the battery is in a full-power state;
the discharge strategy is used for discharging the lithium power battery so that the battery is in a maintenance state;
the maintenance strategy comprises a small circulation strategy and a deep circulation strategy and is used for carrying out periodical maintenance on the battery pack.
As shown in fig. 2, the flow of the automatic charging and discharging maintenance strategy for the lithium-ion power battery pack is as follows:
step 1.1), putting a lithium power battery I on line, and detecting the voltage of a single-core battery of the battery;
step 1.2) judging whether the voltage of the single-core battery is 3.85V, if so, keeping the battery in a maintenance state;
step 1.3) judging whether the voltage of the single-core battery is greater than 3.85V, if so, judging whether the voltage of the single-core battery is 4.2V, if so, judging that the battery pack is in a full-charge state, and if not, judging that the battery is in a high-charge state;
step 1.4) if the voltage of the single-core battery is not more than 3.85V, judging whether the voltage of the single-core battery is 0V, if so, the battery is in a zero-electricity state, and if not, the battery is in a low-electricity state;
step 1.5) if the battery pack is in a zero-electricity state and a low-electricity state, charging the battery pack to a maintenance state;
step 1.6) if the battery is in a high-power state, discharging the battery to a maintenance state;
step 1.7) step 1.5) and step 1.6) are steps of a balancing strategy to maintain the battery pack in a state of maintenance;
step 1.8) judging whether the lithium power battery is inserted for 3 months, if so, discharging the battery pack to a zero-electricity state, and recharging to a maintenance state;
step 1.9) step 1.8) is a deep cycle strategy step for recharging the battery pack to a maintenance state after the battery pack power supply is exhausted;
step 1.10) if the power battery pack does not meet the requirement for 3 months, judging whether the power battery pack meets the requirement for 3 days after being inserted, and if the power battery pack meets the requirement for 3 days, judging whether the battery pack is in a full-power state;
step 1.11) if the battery is in a full-charge state, discharging the battery to a maintenance state;
step 1.12) if the battery is not in a full-power state, keeping the battery in a maintenance state;
step 1.13) step 1.10) to step 1.12) are small circulation strategies, which are used for keeping the battery pack in sequential circulation for 3 days and ensuring the availability of the battery;
step 1.14) judging whether the availability ratio of the lithium power battery pack does not need to be adjusted, and if not, keeping the battery in a maintenance state;
step 1.15) if the battery pack needs to be adjusted, judging whether the battery pack needs to be discharged, and if the battery needs to be discharged, discharging the battery to a maintenance state, wherein the battery belongs to a discharge strategy;
step 1.16) if discharging is not needed, the battery is charged to a full-power state, and the method belongs to a full-power strategy.
The automatic charging and discharging maintenance strategy for the lithium power battery pack can realize automatic maintenance and repair of the lithium power battery pack and improve the activity of the battery pack.
Furthermore, it should be noted that in the present specification, "include" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, a method, an article or an apparatus including a series of elements includes not only those elements but also other elements not explicitly listed, or further includes elements inherent to such process, method, article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (10)
1. An automatic charging and discharging maintenance strategy for a lithium power battery pack is characterized by comprising a balance strategy, a full-power strategy, a discharging strategy and a maintenance strategy;
the balance strategy is used for charging and discharging the lithium power battery so that the battery is in a maintenance state;
the full-power strategy is used for charging the lithium power battery so that the battery is in a full-power state;
the discharge strategy is used for discharging the lithium power battery so that the battery is in a maintenance state;
the maintenance strategy comprises a small circulation strategy and a deep circulation strategy and is used for carrying out periodical maintenance on the battery pack.
2. The strategy of claim 1, wherein the strategy comprises: the automatic charging and discharging maintenance steps are as follows:
step 1.1), putting a lithium power battery I on line, and detecting the voltage of a single-core battery of the battery;
step 1.2) judging whether the voltage of the single-cell battery is 3.85V to judge whether the battery is in a maintenance state, a high-power state or a low-power state, and adjusting the single-cell battery to the maintenance state;
step 1.3) judging whether the lithium power battery is inserted for 3 months, if so, discharging the battery pack to a zero-electricity state, and recharging to a maintenance state;
step 1.4) if the power battery pack does not meet the requirement for 3 months, judging whether the power battery pack meets the requirement for 3 days after being inserted, and if the power battery pack meets the requirement for 3 days, judging whether the battery pack is in a full-power state;
step 1.5) judging whether the availability ratio of the lithium power battery pack does not need to be adjusted, and if not, keeping the battery in a maintenance state;
and step 1.6) if the battery pack needs to be adjusted, judging whether the battery pack needs to be discharged or not to determine whether the battery pack belongs to a discharging strategy or a full-power strategy.
3. The strategy of claim 2, wherein the strategy comprises: the voltage of the single-core battery in the step 1.2) is 3.85V, and the battery is in a maintenance state.
4. The strategy of claim 2, wherein the strategy comprises: and 1.2) judging whether the voltage of the single-core battery is greater than 3.85V, judging whether the voltage of the single-core battery is 4.2V, if so, keeping the battery pack in a full-charge state, and if not, keeping the battery in a high-charge state, and discharging the battery to a maintenance state.
5. The strategy of claim 2, wherein the strategy comprises: and 1.2) if the voltage of the single-core battery is 0V, the battery is in a zero-electricity state, and if the voltage of the single-core battery is not 0V, the battery is in a low-electricity state, and the battery pack is charged to a maintenance state.
6. The strategy of claim 2, wherein the strategy comprises: step 1.2) balancing the strategy to maintain the battery pack in a maintenance state.
7. The strategy of claim 2, wherein the strategy comprises: step 1.3) is a step of a deep cycle strategy, and is used for recharging the battery pack to a maintenance state after the power supply of the battery pack is exhausted.
8. The strategy of claim 2, wherein the strategy comprises: the battery in the step 1.4) is in a full-charge state, and the battery is discharged to a maintenance state; and 1.4) keeping the battery in a maintenance state when the battery is not in a full-power state.
9. The strategy of claim 8, wherein the strategy comprises: the step 1.4) is a small circulation strategy, and is used for keeping the battery pack to circulate in sequence for 3 days so as to ensure the availability of the battery.
10. The strategy of claim 2, wherein the strategy comprises: the battery in the step 1.6) needs to be discharged, and the battery is discharged to a maintenance state, belonging to a discharge strategy; the battery in the step 1.6) is charged to a full-charge state without discharging, and belongs to a full-charge strategy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110135716.2A CN113922435A (en) | 2021-02-01 | 2021-02-01 | Automatic charging and discharging maintenance strategy for lithium power battery pack |
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| CN202110135716.2A CN113922435A (en) | 2021-02-01 | 2021-02-01 | Automatic charging and discharging maintenance strategy for lithium power battery pack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115241549A (en) * | 2022-07-29 | 2022-10-25 | 南昌逸勤科技有限公司 | Battery discharge control method, device and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115241549A (en) * | 2022-07-29 | 2022-10-25 | 南昌逸勤科技有限公司 | Battery discharge control method, device and storage medium |
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