CN114696414A - Novel storage battery pack charging and discharging wiring scheme and use method thereof - Google Patents
Novel storage battery pack charging and discharging wiring scheme and use method thereof Download PDFInfo
- Publication number
- CN114696414A CN114696414A CN202210320133.1A CN202210320133A CN114696414A CN 114696414 A CN114696414 A CN 114696414A CN 202210320133 A CN202210320133 A CN 202210320133A CN 114696414 A CN114696414 A CN 114696414A
- Authority
- CN
- China
- Prior art keywords
- charging
- discharging
- wiring
- battery pack
- storage battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a novel storage battery pack charging and discharging wiring scheme and a using method thereof, and mainly relates to the field of electric power; the storage battery pack comprises a storage battery pack formed by connecting a plurality of single storage batteries in series, wherein end charging and discharging wiring modules are connected in series at two ends of the storage battery pack, each end charging and discharging wiring module comprises two first wiring terminals, a first change-over switch is connected in series between the two first wiring terminals, a plurality of middle charging and discharging wiring modules are sequentially arranged on the storage battery pack, a plurality of single storage batteries are arranged between every two adjacent middle charging and discharging wiring modules at intervals, each middle charging and discharging wiring module is connected in series between every two adjacent single storage batteries, each group of middle charging and discharging wiring modules comprises two second wiring terminals and a second change-over switch connected in series between the two wiring terminals, and the second wiring terminals are connected with the single storage batteries; the invention can effectively balance the difference among the single storage batteries and improve the performance of the whole battery set.
Description
Technical Field
The invention relates to the field of electric power, in particular to a novel storage battery pack charging and discharging wiring scheme and a using method thereof.
Background
The storage battery pack is formed by connecting single storage batteries with the same specification and the same model in series, and due to the deviation of the manufacturing process, the performances of the single storage batteries, such as capacity, internal resistance, self-discharge rate and the like, cannot be completely consistent. The whole battery is limited by the single storage battery with poor performance during charging and discharging, and the performance of the single storage battery can lower the performance of the whole battery.
The storage battery charging and discharging device is used for controlling charging and discharging current and voltage of the storage battery pack, and due to the difference between the single storage batteries in the storage battery pack, the partial pressure of each single storage battery is different, so that the voltage imbalance in the long-time charging and discharging process can aggravate the difference between the single storage batteries and influence the service life of the storage battery pack.
At present, the leading-out wires of the positive electrode and the negative electrode of the existing storage battery pack are fixedly connected, all the single batteries in the storage battery pack are connected in series, the corresponding positive electrodes and the corresponding negative electrodes of the head-end batteries and the tail-end batteries are led out and connected to a charging and discharging device, each charging and discharging process is a fixed connection, the electrical connection between the single storage batteries is unchanged in each charging and discharging process, and the dynamic imbalance between the single storage batteries cannot be adjusted.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a novel storage battery pack charging and discharging wiring scheme and a using method thereof.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a novel storage battery charge-discharge wiring scheme, includes the storage battery who forms by a plurality of monomer battery series connection the both ends of storage battery are established ties there is tip charge-discharge wiring module, tip charge-discharge wiring module includes two first binding post, two it has first change over switch to establish ties between the first binding post charge-discharge wiring module in the middle of setting gradually on the storage battery, all the interval has a plurality of monomer battery, every between two adjacent middle charge-discharge wiring modules the middle charge-discharge wiring module all establishes ties between two adjacent monomer batteries, and charge-discharge wiring module all includes two second binding post and the second change over switch of establishing ties between two binding post in the middle of every group, second binding post is connected with monomer battery.
Preferably, the number of the single storage batteries between two adjacent intermediate charge and discharge connection modules is the same.
The use method of the novel storage battery pack charging and discharging wiring scheme comprises the following steps:
s1, judging whether the storage battery pack is subjected to the first charge-discharge operation or not;
s2, when the battery pack is charged and discharged for the first time, reasonably determining the number N of charging and discharging wiring modes of the battery pack according to the number of single storage batteries of the battery pack, wherein N is a natural number larger than zero, determining the positions of N-1 disconnection points in the battery pack, connecting a middle charging and discharging wiring module in series at each disconnection point, and connecting an end charging and discharging wiring module in series with the battery pack;
s3, selecting a charging and discharging wiring mode, connecting one of the end charging and discharging wiring module and the plurality of middle charging and discharging wiring modules with an external charging and discharging device, checking the wiring correctness of the storage battery pack, and turning on the charging and discharging device to complete one-time charging and discharging;
s4, recording the charging and discharging wiring mode, when the charging and discharging operation is carried out again, removing the used end charging and discharging wiring module or middle charging and discharging wiring module, selecting one of the rest end charging and discharging wiring modules and a plurality of middle charging and discharging wiring modules to be connected with an external charging and discharging device, checking the wiring correctness of the storage battery pack, and opening the charging and discharging device to finish one-time charging and discharging;
and S5, repeating the step S4.
Preferably, in step S2, the positions of N-1 disconnection points in the battery pack are determined based on the principle that the electrical distances between each disconnection point are equal.
Preferably, in steps S3 and S4, when the end charge/discharge connection module is selected, the first switch of the end charge/discharge connection module is turned off, and the second switches of all the intermediate charge/discharge connection modules are turned on;
and if one middle charging and discharging connection module is selected, the second change-over switch of the selected middle charging and discharging connection module is switched off, and the second change-over switches of the rest middle charging and discharging connection modules and the first change-over switches of the end charging and discharging connection modules are switched on.
Preferably, when the charging and discharging wiring mode is selected, the end charging and discharging wiring module is selected first, and then the middle charging and discharging wiring module is selected from the positive pole to the negative pole of the storage battery pack in sequence.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a plurality of groups of wiring terminals are led out from a group of storage batteries, various charging and discharging wiring schemes are provided, different wiring schemes can be selected for each charging and discharging, dynamic balance of the performance of the single storage batteries is realized by regularly changing the charging and discharging wiring schemes, the performance difference of the single storage batteries can be balanced, the condition of performance reduction of the battery pack caused by the performance difference among the single storage batteries is improved, and the performance of the whole battery pack can be improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow chart of the present invention in use.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example 1: the invention relates to a novel storage battery pack charge-discharge wiring scheme, which comprises a storage battery pack 1 formed by connecting a plurality of single storage batteries in series, wherein end charge-discharge wiring modules are connected in series at two ends of the storage battery pack 1, a plurality of middle charge-discharge wiring modules are sequentially arranged on the storage battery pack 1, three middle charge-discharge wiring modules are taken as an example in the figure 1, the end charge-discharge wiring modules and the three middle charge-discharge wiring modules form a charge-discharge wiring conversion device 2 (collectively called in a dotted line frame in the figure 1), each end charge-discharge wiring module comprises two first wiring terminals, the two first wiring terminals are respectively 1+ and 1-, a first change-over switch 1Q is connected in series between the two first wiring terminals, a plurality of single storage batteries are arranged between every two adjacent middle charge-discharge wiring modules at intervals, and each middle charge-discharge wiring module is connected in series between every two adjacent single storage batteries, each group of middle charging and discharging connection modules comprises two second connection terminals and a second change-over switch connected between the two connection terminals in series, and the second connection terminals are connected with the single storage batteries.
In the attached drawing 1, from left to right, two second connection terminals of the first middle charging and discharging connection module are respectively 2-and 2+, and the second change-over switch is 2Q; the two second connecting terminals of the second middle charging and discharging connecting module are respectively 3-and 3+, and the second change-over switch is 3Q; and two second connecting terminals of the third middle charging and discharging connecting module are respectively 4-and 4+, and the second change-over switch is 4Q. A
Preferably, the number of the single storage batteries between two adjacent middle charging and discharging wiring modules is the same.
On the basis of a traditional storage battery pack, a plurality of middle charge-discharge wiring modules are arranged in the storage battery pack, a first selector switch is arranged between two first wiring terminals of the end charge-discharge wiring modules of the traditional storage battery pack, a plurality of groups of wiring terminals are led out from one storage battery pack, various charge-discharge wiring schemes are provided, different wiring schemes can be selected for each charge-discharge, dynamic balance of the performance of single storage batteries is realized by regularly changing the charge-discharge wiring schemes, the performance difference of the single storage batteries can be balanced, the condition of performance reduction of the storage battery pack caused by the performance difference among the single storage batteries is improved, and the performance of the whole storage battery pack can be improved.
Example 2: as shown in the attached figure 2, the invention relates to a using method of a novel storage battery pack charging and discharging wiring scheme, which comprises the following steps:
s1, judging whether the storage battery pack is subjected to the first charge-discharge operation or not;
s2, when the battery pack is charged and discharged for the first time, reasonably determining the number N of charging and discharging wiring modes of the battery pack according to the number of single storage batteries of the battery pack, wherein N is a natural number larger than zero, determining the positions of N-1 disconnection points in the battery pack, connecting a middle charging and discharging wiring module in series at each disconnection point, and connecting an end charging and discharging wiring module in series with the battery pack;
s3, selecting a charging and discharging wiring mode, connecting one of the end charging and discharging wiring module and the plurality of middle charging and discharging wiring modules with an external charging and discharging device, checking the wiring correctness of the storage battery pack, and turning on the charging and discharging device to complete one-time charging and discharging;
s4, recording the charging and discharging wiring mode, when the charging and discharging operation is carried out again, removing the used end charging and discharging wiring module or middle charging and discharging wiring module, selecting one of the rest end charging and discharging wiring modules and a plurality of middle charging and discharging wiring modules to be connected with an external charging and discharging device, checking the wiring correctness of the storage battery pack, and opening the charging and discharging device to finish one-time charging and discharging;
and S5, repeating the step S4.
Preferably, in step S2, the positions of N-1 disconnection points in the battery pack are determined based on the principle that the electrical distances between each disconnection point are equal.
Preferably, in steps S3 and S4, when the end charge/discharge connection module is selected, the first switch of the end charge/discharge connection module is turned off, and the second switches of all the intermediate charge/discharge connection modules are turned on;
and if one middle charging and discharging connection module is selected, the second change-over switch of the selected middle charging and discharging connection module is switched off, and the second change-over switches of the rest middle charging and discharging connection modules and the first change-over switches of the end charging and discharging connection modules are switched on.
Preferably, when the charging and discharging wiring mode is selected, the end charging and discharging wiring module is selected first, and then the middle charging and discharging wiring module is selected in sequence from the positive electrode to the negative electrode of the storage battery.
Steps S3, S4, and S5 of the present invention will be described with reference to fig. 1, taking N-4 as an example:
selecting a charging and discharging wiring mode, for example, selecting 1+ and 1-as charging and discharging wiring terminals, opening a connecting switch 1Q between the terminal 1+ and the terminal 1-, closing connecting switches 2Q, 3Q and 4Q between the rest terminals, connecting the 1+ and 1-terminals with an external charging and discharging device, checking the wiring correctness of the storage battery pack, and opening the charging and discharging device to complete one-time charging and discharging.
Recording the charging and discharging wiring mode, when charging and discharging operation is carried out again, directly selecting a charging and discharging wiring mode according to a flow chart, wherein the charging and discharging wiring mode is different from the last charging and discharging wiring mode and accords with a certain rotation rule, for example, 2+ and 2-are selected as charging and discharging wiring terminals, a connecting switch 2Q between a terminal 2+ and a terminal 2-is opened, connecting switches 1Q, 3Q and 4Q between the rest terminals are closed, then the 2+ and 2-terminals are connected with an external discharging device, the wiring correctness of the storage battery pack is checked, and the charging and discharging device is opened to finish charging and discharging once.
In the same way, 3+ and 3-are selected as charging and discharging connecting terminals when charging and discharging are carried out again, and then 4+ and 4-are selected as charging and discharging connecting terminals, so that one rotation is completed. And then, the charging and discharging wiring mode is changed according to the rule every time the charging and discharging wiring is carried out.
Claims (6)
1. A novel storage battery pack charging and discharging wiring scheme comprises a storage battery pack formed by connecting a plurality of single storage batteries in series, wherein end charging and discharging wiring modules are connected at two ends of the storage battery pack in series, and the novel storage battery pack charging and discharging wiring scheme is characterized in that: the end charging and discharging wiring module comprises two first wiring terminals, a first change-over switch is connected in series between the two first wiring terminals, a plurality of middle charging and discharging wiring modules are sequentially arranged on the storage battery pack, a plurality of single storage batteries are arranged between every two adjacent middle charging and discharging wiring modules at intervals, each middle charging and discharging wiring module is connected in series between every two adjacent single storage batteries, each middle charging and discharging wiring module comprises two second wiring terminals and a second change-over switch connected in series between the two wiring terminals, and the second wiring terminals are connected with the single storage batteries.
2. The novel storage battery pack charging and discharging wiring scheme according to claim 1, characterized in that: the number of the single storage batteries between two adjacent middle charging and discharging connection modules is the same.
3. The use method of the novel storage battery pack charging and discharging wiring scheme according to any one of claims 1-2, characterized by comprising the steps of:
s1, judging whether the storage battery pack is in first charge and discharge operation;
s2, when the battery pack is charged and discharged for the first time, reasonably determining the number N of charging and discharging wiring modes of the battery pack according to the number of single storage batteries of the battery pack, wherein N is a natural number larger than zero, determining the positions of N-1 disconnection points in the battery pack, connecting a middle charging and discharging wiring module in series at each disconnection point, and connecting an end charging and discharging wiring module in series with the battery pack;
s3, selecting a charging and discharging wiring mode, connecting one of the end charging and discharging wiring module and the plurality of middle charging and discharging wiring modules with an external charging and discharging device, checking the wiring correctness of the storage battery pack, and turning on the charging and discharging device to complete one-time charging and discharging;
s4, recording the charging and discharging wiring mode, when the charging and discharging operation is carried out again, removing the used end charging and discharging wiring module or middle charging and discharging wiring module, selecting one of the rest end charging and discharging wiring modules and a plurality of middle charging and discharging wiring modules to be connected with an external charging and discharging device, checking the wiring correctness of the storage battery pack, and opening the charging and discharging device to finish one-time charging and discharging;
and S5, repeating the step S4.
4. The use method of the novel battery pack charging and discharging wiring scheme according to claim 3, characterized in that: in step S2, the positions of N-1 disconnection points in the battery pack are determined according to the principle that the electrical distances between each disconnection point are equal.
5. The use method of the novel battery pack charging and discharging wiring scheme according to claim 3, characterized in that: in steps S3 and S4, if the end charge/discharge connection module is selected, the first switch of the end charge/discharge connection module is turned off, and the second switches of all the intermediate charge/discharge connection modules are turned on;
and if one middle charging and discharging connection module is selected, the second change-over switch of the selected middle charging and discharging connection module is switched off, and the second change-over switches of the rest middle charging and discharging connection modules and the first change-over switches of the end charging and discharging connection modules are switched on.
6. The use method of the novel battery pack charging and discharging wiring scheme according to claim 3, characterized in that: when the charging and discharging wiring mode is selected, the end charging and discharging wiring module is selected first, and then the middle charging and discharging wiring module is selected from the positive pole to the negative pole of the storage battery pack in sequence.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210320133.1A CN114696414A (en) | 2022-03-29 | 2022-03-29 | Novel storage battery pack charging and discharging wiring scheme and use method thereof |
| PCT/CN2022/129752 WO2023184977A1 (en) | 2022-03-29 | 2022-11-04 | Novel storage battery pack charging and discharging wiring solution and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210320133.1A CN114696414A (en) | 2022-03-29 | 2022-03-29 | Novel storage battery pack charging and discharging wiring scheme and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114696414A true CN114696414A (en) | 2022-07-01 |
Family
ID=82140332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210320133.1A Pending CN114696414A (en) | 2022-03-29 | 2022-03-29 | Novel storage battery pack charging and discharging wiring scheme and use method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114696414A (en) |
| WO (1) | WO2023184977A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184977A1 (en) * | 2022-03-29 | 2023-10-05 | 中国电建集团山东电力建设第一工程有限公司 | Novel storage battery pack charging and discharging wiring solution and use method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013027269A (en) * | 2011-07-26 | 2013-02-04 | Sanyo Electric Co Ltd | Battery assembly charge/discharge control system |
| CN102983596A (en) * | 2011-09-05 | 2013-03-20 | 耿军 | N+1 storage battery pack on-line detection maintenance seamless power supply device |
| CN109301890B (en) * | 2018-09-04 | 2022-04-12 | 国网江西省电力有限公司电力科学研究院 | Voltage balancing method and system for storage battery pack of direct current system |
| CN109917302A (en) * | 2019-04-11 | 2019-06-21 | 国网江苏省电力有限公司泰州供电分公司 | Novel storage battery group core holds test equipment and its test method |
| CN114696414A (en) * | 2022-03-29 | 2022-07-01 | 中国电建集团山东电力建设第一工程有限公司 | Novel storage battery pack charging and discharging wiring scheme and use method thereof |
-
2022
- 2022-03-29 CN CN202210320133.1A patent/CN114696414A/en active Pending
- 2022-11-04 WO PCT/CN2022/129752 patent/WO2023184977A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184977A1 (en) * | 2022-03-29 | 2023-10-05 | 中国电建集团山东电力建设第一工程有限公司 | Novel storage battery pack charging and discharging wiring solution and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023184977A1 (en) | 2023-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114709896B (en) | Battery charging and discharging system based on reconstruction and charging and discharging control method | |
| CN102163854A (en) | Charge-discharge equalizing circuit of multi-monomer tandem dynamic lithium battery | |
| CN108777329B (en) | Lithium battery method for group matching | |
| CN112202218B (en) | Equalizing circuit based on bipolar T-shaped double-resonance switch capacitor converter and control method | |
| CN201742141U (en) | Charge and discharge balancing device for serially-connected power storage bodies | |
| CN114696414A (en) | Novel storage battery pack charging and discharging wiring scheme and use method thereof | |
| CN114883656A (en) | Capacity grading control method for lithium ion power battery | |
| CN108879833A (en) | A kind of active equalizer circuit of cell pack and equalization methods | |
| CN111682270A (en) | Series-parallel switching device and battery pack comprising same | |
| CN113315202A (en) | Battery pack equalization circuit and control method thereof | |
| CN110707780B (en) | Staggered battery equalization circuit structure based on transformer | |
| CN116031974B (en) | Balanced charging and discharging method and system for energy storage battery pack | |
| CN201383689Y (en) | Charger circuit | |
| CN112737010B (en) | Lithium ion power battery equalization effect evaluation system and method thereof | |
| CN213124538U (en) | Novel battery module initiative is balanced device | |
| CN111584963B (en) | Method and device for sorting battery modules by gradient utilization | |
| CN210956904U (en) | Common-inductance energy storage type lithium battery equalization circuit | |
| CN110459816B (en) | Super start-stop starting battery | |
| CN103401289B (en) | Balanced switching control circuit for battery management system | |
| CN208433784U (en) | A kind of device that the online balanced and core of battery pack holds | |
| CN219067895U (en) | Charge equalization circuit and battery | |
| CN202167877U (en) | Lead-acid battery device | |
| CN111478396A (en) | Control method for gradient utilization of battery pack | |
| CN216288575U (en) | Lithium ion battery formation clamp | |
| TWI806101B (en) | Serial and parallel architecture for multiple-batteries system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |