CN109450056A - A kind of underwater robot supplying cell failure solution - Google Patents
A kind of underwater robot supplying cell failure solution Download PDFInfo
- Publication number
- CN109450056A CN109450056A CN201910019879.7A CN201910019879A CN109450056A CN 109450056 A CN109450056 A CN 109450056A CN 201910019879 A CN201910019879 A CN 201910019879A CN 109450056 A CN109450056 A CN 109450056A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- group
- supplying cell
- underwater robot
- monomer
- 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
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 149
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 149
- 239000000178 monomer Substances 0.000 claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 208000032953 Device battery issue Diseases 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H02J2007/0067—
-
- 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)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (AREA)
Abstract
The invention discloses a kind of underwater robot supplying cell failure solutions, it specifically includes and sets lithium battery allowable pressure difference as Δ V, for completely new lithium battery, acquire the voltage of every section lithium battery monomer in one group of battery, when organizing interior pressure difference more than or equal to setting pressure difference, lithium battery is replaced, and the lithium battery replaced is sorted out, guarantees that each group of battery pressure difference is both less than Δ V；For the lithium battery used has been put into, allowable pressure difference Δ V is set, every section lithium battery discharge voltage in one group of battery is acquired, if pressure difference is more than or equal to Δ V in organizing, equalizing circuit weighting first control of discharge is carried out to it.The present invention can solve underwater robot supplying cell and discharge unbalanced fault state, reduce as battery core electric discharge it is unbalanced caused by the most common failures such as battery always forces down, machine continuation of the journey is short, improve properties of product.
Description
Technical field
The invention belongs to robot device's fault detection technique field more particularly to a kind of events of underwater robot supplying cell
Hinder solution.
Background technique
In recent years, energy field updates, lithium battery has the temperature environment that charge and discharge number is long, adapts to wider, and
It is without memory.As the novel secondary power supply just to have grown up, robot, smart electronics field, are used as power electric more under water
Source uses, and general supplying cell is first in parallel by multisection lithium battery monomer, then is composed in series, and for key control unit and executes list
Member provides biggish driving current and higher output voltage.Therefrom machine energy is supplied, especially supplying cell pair
The supply effect of underwater robot is essential.
But underwater robot is outdoors in operation process, since the failure of supplying cell causes underwater robot to be continued a journey
It is short, cause its operating efficiency to substantially reduce, even directly goes on strike when serious, cause great security risk and economic loss.Its
In, supplying cell failure is mainly shown as that electric discharge is unbalanced.
Summary of the invention
Technical purpose of the invention is to provide a kind of underwater robot supplying cell failure solution, can effectively solve electricity
The unbalanced problem of tank discharge.
To solve the above problems, the technical solution of the present invention is as follows:
A kind of underwater robot supplying cell failure solution, the underwater robot supplying cell include the series connection of N group
Lithium battery group, lithium battery group described in every group includes M lithium battery monomer in parallel, wherein N >=2, M >=3；The battery failures
Solution includes:
The allowable voltage difference between two lithium battery monomers is set as Δ V；
Acquire each lithium battery monomer in lithium battery group described in every group in the new supplying cell of the underwater robot
Voltage；
Calculate i-th of lithium battery monomer in the lithium battery group and j-th of lithium battery monomer in the lithium battery group
Voltage difference delta Vij, wherein i ≠ j；
By the calculated voltage difference delta VijCompared with the allowable voltage difference Δ V；
If Δ VijI-th of lithium battery monomer is then classified as first kind lithium battery monomer by >=Δ V, by j-th of lithium
Battery cell is classified as the second class lithium battery monomer；
If Δ VijI-th of lithium battery monomer and j-th of lithium battery monomer are then classified as described first by < Δ V
Class lithium battery monomer, and calculate i-th of lithium battery monomer in the lithium battery group and the kth lithium electricity in the lithium battery group
The voltage difference delta V of pond monomerik, wherein i ≠ k and j ≠ k, if Δ VikK-th of lithium battery monomer is then classified as institute by < Δ V
State first kind lithium battery monomer；If Δ VikK-th of lithium battery monomer is then classified as the second class lithium battery list by >=Δ V
Body；
Using the voltage value of the first kind lithium battery monomer as standard, chooses new lithium battery monomer and replace the lithium battery
The second class lithium battery monomer in group.
An embodiment according to the present invention, underwater robot supplying cell failure solution further include to described in replacing out
Second class lithium battery monomer is sorted out, and the voltage difference sorted out between the lithium battery monomer out is respectively less than the allowable voltage
Poor Δ V.
An embodiment according to the present invention, the allowable voltage difference Δ V are the virtual voltage in lithium battery production testing report
Difference.
The present invention also provides another underwater robot supplying cell failure solution, the underwater robot power supply
Battery includes the concatenated lithium battery group of N group, wherein N >=2；The battery failures solution includes:
The allowable voltage difference between two groups of lithium battery groups is set as Δ V；
Acquire the voltage of lithium battery group described in every group in the used supplying cell of the underwater robot；
Voltage difference delta V ' between lithium battery group described in calculating every group and remaining described lithium battery group；
The calculated voltage difference delta V ' is compared with the allowable voltage difference Δ V；
Δ V ' >=Δ V if it exists then carries out the electric discharge control of equalizing circuit weighting first to the concatenated lithium battery group of the N group
System.
An embodiment according to the present invention, the underwater robot supplying cell failure solution further include to balanced electricity
The supplying cell of road control carries out real-time circulation detection, guarantees Δ V ' < Δ V.
An embodiment according to the present invention, the allowable voltage difference Δ V are the virtual voltage in lithium battery production testing report
Difference.
The present invention due to using the technology described above, makes it have the following advantages that and actively imitate compared with prior art
Fruit:
Supplying cell failure solution in one embodiment of the invention is made in every class by sorting out to new battery
It is poor that voltage difference between the voltage of each lithium battery monomer is close and any two lithium battery monomer is less than allowable voltage, puts battery
Electrical equalization extends the cruise duration of underwater robot；It avoids the voltage differences caused by battery production is not up to standard greatly due to makes electricity
It discharges after pond is in parallel unbalanced phenomenon.
Supplying cell failure solution in one embodiment of the invention passes through to every group in used supplying cell
The voltage of lithium battery group is detected, and calculates the voltage difference of every two groups of lithium battery groups, for being unsatisfactory for every two groups of lithium battery groups
Voltage difference be less than allowable voltage difference condition underwater robot supplying cell carry out the control of equalization weights preferential discharge, make battery
Group keeps equalization discharge, extends the cruise duration of underwater robot；It avoids the energy storage difference caused by cell degradation greatly due to makes
It discharges after battery is in parallel unbalanced.
Detailed description of the invention
Fig. 1 is a kind of flow chart of supplying cell failure solution of the invention；
Fig. 2 is the flow chart of another supplying cell failure solution of the invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to a kind of underwater robot supplying cell failure solution proposed by the present invention
Method is described in further detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.
Embodiment 1
Referring to Fig. 1, a kind of underwater robot supplying cell failure solution, underwater robot supplying cell includes N group
Concatenated lithium battery group, every group of lithium battery group include M lithium battery monomer in parallel, wherein N >=2, M >=3；Battery failures solve
Method includes: allowable voltage difference between setting two lithium battery monomers as Δ V；It acquires in the new supplying cell of underwater robot
The voltage of each lithium battery monomer in every group of lithium battery group；Calculate i-th of the lithium battery monomer and lithium battery in lithium battery group
The voltage difference delta V of j-th of lithium battery monomer in groupij, wherein i ≠ j；By calculated voltage difference delta VijIt is poor with allowable voltage
Δ V compares；If Δ VijI-th of lithium battery monomer is then classified as first kind lithium battery monomer by >=Δ V, by j-th of lithium battery list
Body is classified as the second class lithium battery monomer；If Δ VijI-th of lithium battery monomer and j-th of lithium battery monomer are then classified as by < Δ V
A kind of lithium battery monomer, and calculate i-th of lithium battery monomer in lithium battery group and the kth lithium battery monomer in lithium battery group
Voltage difference delta Vik, wherein i ≠ k and j ≠ k, if Δ VikK-th of lithium battery monomer is then classified as first kind lithium battery by < Δ V
Monomer；If Δ VikK-th of lithium battery monomer is then classified as the second class lithium battery monomer by >=Δ V；With first kind lithium battery monomer
Voltage value is standard, chooses the second class lithium battery monomer in new lithium battery monomer replacement lithium battery group.
Supplying cell failure solution in the present embodiment makes each lithium in every class by sorting out to new battery
It is poor that voltage difference between the voltage of battery cell is close and any two lithium battery monomer is less than allowable voltage, keeps battery discharge equal
Weighing apparatus, extends the cruise duration of underwater robot；It avoids the voltage differences caused by battery production is not up to standard greatly due to makes battery simultaneously
It discharges after connection unbalanced phenomenon.
Further, underwater robot supplying cell failure solution further includes to the second class lithium battery list replaced out
Body is sorted out, and sorts out the voltage difference between lithium battery monomer out and is respectively less than allowable voltage difference Δ V.
Further, allowable voltage difference Δ V is that the virtual voltage in lithium battery production testing report is poor.Specifically, this hair
The specification of the lithium battery monomer of bright use are as follows: high 65.00 ± 0.15mm, 18.30 ± 0.10mm of diameter, the column of 42~43g of weight
Shape body, normal voltage is in 3.7V or so, and full piezoelectric voltage is up to 4.2V；After by 6 lithium batteries and being unified into one group, then carry out 4 groups
Series connection, battery expire piezoelectric voltage up to 16.8V.It is poor referring to the virtual voltage in lithium battery production testing report, it sets with a collection of lithium
Battery allowable voltage difference Δ V is 10mV；Voltage acquisition preferably is carried out in the case where lithium battery monomer expires pressure condition, it is poor with allowable voltage
10mV is to guarantee the multiple groups lithium battery after sorting out according to the classification that 6 are one group is carried out, cell voltage is close in each group and group in
The voltage difference of any two battery is no more than 10mV；Every group of 6 lithium battery monomers are in parallel, lithium battery group as 4 groups of selection
A battery unit is formed after series connection, is powered to underwater robot.
Embodiment 2
Referring to Fig. 2, the present invention also provides another underwater robot supplying cell failure solution, underwater robots
Supplying cell includes the concatenated lithium battery group of N group, wherein N >=2；Battery failures solution includes:
The allowable voltage difference between two groups of lithium battery groups is set as Δ V；
Acquire the voltage of every group of lithium battery group in the used supplying cell of underwater robot；
Calculate the voltage difference delta V ' between every group of lithium battery group and remaining lithium battery group；
Calculated voltage difference delta V ' is compared with allowable voltage difference Δ V；
Δ V ' >=Δ V if it exists then carries out equalizing circuit weighting first control of discharge to the concatenated lithium battery group of N group.
Supplying cell failure solution in the present embodiment passes through to every group of lithium battery in used supplying cell
The voltage of group is detected, and calculates the voltage difference of every two groups of lithium battery groups, for the voltage for being unsatisfactory for every two groups of lithium battery groups
The underwater robot supplying cell that difference is less than allowable voltage difference condition carries out the control of equalization weights preferential discharge, keeps battery pack
Equalization discharge extends the cruise duration of underwater robot；It avoids the energy storage difference caused by cell degradation greatly due to makes battery simultaneously
It discharges after connection unbalanced.
Specifically, selective weighting first electric discharge is carried out according to voltage differences, it may be assumed that
Instantaneous discharge voltage V=a1*C1+a2*C2+a3*C3+…+aN*CN,
A is the corresponding weight of each lithium battery group, and C is the voltage of each lithium battery group, and N is lithium battery group number.It is specific equal
Existing equalizing circuit can be used in weighing apparatus circuit weighting first control of discharge.Synchronization selectively allows lithium battery group voltage big
Preferential more electric discharges, the small lag of voltage discharges less, and real-time inspection and control weight allows each lithium battery group voltage difference to guarantee allowing
In pressure differential range, achieve the effect that equalization discharge.
Further, underwater robot supplying cell failure solution further includes the power supply to equalizing circuit control
Battery carries out real-time circulation detection, guarantees Δ V ' < Δ V.
Further, allowable voltage difference Δ V is that the virtual voltage in lithium battery production testing report is poor.It is specifically as follows
10mV。
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode.Even if to the present invention, various changes can be made, if these variations belong to the model of the claims in the present invention and its equivalent technologies
Within enclosing, then still fall within the protection scope of the present invention.
Claims (6)
1. a kind of underwater robot supplying cell failure solution, which is characterized in that the underwater robot supplying cell packet
The concatenated lithium battery group of N group is included, lithium battery group described in every group includes M lithium battery monomer in parallel, wherein N >=2, M >=3；Institute
Stating battery failures solution includes:
The allowable voltage difference between two lithium battery monomers is set as Δ V；
Acquire the electricity of each lithium battery monomer in lithium battery group described in every group in the new supplying cell of the underwater robot
Pressure；
Calculate the electricity of i-th of lithium battery monomer in the lithium battery group and j-th of lithium battery monomer in the lithium battery group
Pressure differential deltap Vij, wherein i ≠ j；
By the calculated voltage difference delta VijCompared with the allowable voltage difference Δ V；
If Δ VijI-th of lithium battery monomer is then classified as first kind lithium battery monomer by >=Δ V, by j-th of lithium battery
Monomer is classified as the second class lithium battery monomer；
If Δ VijI-th of lithium battery monomer and j-th of lithium battery monomer are then classified as the first kind lithium by < Δ V
Battery cell, and calculate i-th of lithium battery monomer in the lithium battery group and the kth lithium battery list in the lithium battery group
The voltage difference delta V of bodyik, wherein i ≠ k and j ≠ k, if Δ VikK-th of lithium battery monomer is then classified as described by < Δ V
A kind of lithium battery monomer；If Δ VikK-th of lithium battery monomer is then classified as the second class lithium battery monomer by >=Δ V；
Using the voltage value of the first kind lithium battery monomer as standard, chooses new lithium battery monomer and replace in the lithium battery group
The second class lithium battery monomer.
2. underwater robot supplying cell failure solution as described in claim 1, which is characterized in that further include to replacement
The second class lithium battery monomer out is sorted out, and the voltage difference sorted out between the lithium battery monomer out is respectively less than described
Allowable voltage difference Δ V.
3. underwater robot supplying cell failure solution as claimed in claim 1 or 2, which is characterized in that described to allow
Voltage difference delta V is that the virtual voltage in lithium battery production testing report is poor.
4. a kind of underwater robot supplying cell failure solution, which is characterized in that the underwater robot supplying cell packet
The concatenated lithium battery group of N group is included, wherein N >=2；The battery failures solution includes:
The allowable voltage difference between two groups of lithium battery groups is set as Δ V；
Acquire the voltage of lithium battery group described in every group in the used supplying cell of the underwater robot；
Voltage difference delta V ' between lithium battery group described in calculating every group and remaining described lithium battery group；
The calculated voltage difference delta V ' is compared with the allowable voltage difference Δ V；
Δ V ' >=Δ V if it exists then carries out equalizing circuit weighting first control of discharge to the concatenated lithium battery group of the N group.
5. underwater robot supplying cell failure solution as claimed in claim 4, which is characterized in that further include to equilibrium
The supplying cell of circuit control carries out real-time circulation detection, guarantees Δ V ' < Δ V.
6. underwater robot supplying cell failure solution as claimed in claim 4, which is characterized in that the allowable voltage
Poor Δ V is that the virtual voltage in lithium battery production testing report is poor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019879.7A CN109450056A (en) | 2019-01-09 | 2019-01-09 | A kind of underwater robot supplying cell failure solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019879.7A CN109450056A (en) | 2019-01-09 | 2019-01-09 | A kind of underwater robot supplying cell failure solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109450056A true CN109450056A (en) | 2019-03-08 |
Family
ID=65544129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910019879.7A Pending CN109450056A (en) | 2019-01-09 | 2019-01-09 | A kind of underwater robot supplying cell failure solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109450056A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122826A (en) * | 2011-01-17 | 2011-07-13 | 中国南方电网有限责任公司电网技术研究中心 | Energy storage bidirectional current converter for high-capacity storage battery |
| CN202586386U (en) * | 2012-01-18 | 2012-12-05 | 天津市泰威科技发展有限公司 | An inspection and maintenance and equalizing maintenance device of motive power battery pack |
| CN103346605A (en) * | 2013-07-24 | 2013-10-09 | 徐宏 | Storage battery set voltage balancing device |
| CN103645444A (en) * | 2013-12-23 | 2014-03-19 | 中国科学院电工研究所 | Mode principle based battery consistency online evaluation method and detection circuit |
| CN103785629A (en) * | 2014-01-13 | 2014-05-14 | 国家电网公司 | Screening grouping method of echelon utilization type lithium batteries |
| CN106208235A (en) * | 2016-08-18 | 2016-12-07 | 联方云天科技(北京)有限公司 | The forecast Control Algorithm that a kind of lithium cell charging passively equalizes |
| CN205992777U (en) * | 2016-09-18 | 2017-03-01 | 北京新能源汽车股份有限公司 | Power battery system and car |
| CN108110352A (en) * | 2016-11-25 | 2018-06-01 | 天津池瑞科技有限公司 | A kind of lithium battery balanced management system |
-
2019
- 2019-01-09 CN CN201910019879.7A patent/CN109450056A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122826A (en) * | 2011-01-17 | 2011-07-13 | 中国南方电网有限责任公司电网技术研究中心 | Energy storage bidirectional current converter for high-capacity storage battery |
| CN202586386U (en) * | 2012-01-18 | 2012-12-05 | 天津市泰威科技发展有限公司 | An inspection and maintenance and equalizing maintenance device of motive power battery pack |
| CN103346605A (en) * | 2013-07-24 | 2013-10-09 | 徐宏 | Storage battery set voltage balancing device |
| CN103645444A (en) * | 2013-12-23 | 2014-03-19 | 中国科学院电工研究所 | Mode principle based battery consistency online evaluation method and detection circuit |
| CN103785629A (en) * | 2014-01-13 | 2014-05-14 | 国家电网公司 | Screening grouping method of echelon utilization type lithium batteries |
| CN106208235A (en) * | 2016-08-18 | 2016-12-07 | 联方云天科技(北京)有限公司 | The forecast Control Algorithm that a kind of lithium cell charging passively equalizes |
| CN205992777U (en) * | 2016-09-18 | 2017-03-01 | 北京新能源汽车股份有限公司 | Power battery system and car |
| CN108110352A (en) * | 2016-11-25 | 2018-06-01 | 天津池瑞科技有限公司 | A kind of lithium battery balanced management system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105449740B (en) | A kind of energy-storage lithium battery active equalization control system and control method | |
| CN106208235B (en) | A kind of passive balanced forecast Control Algorithm of lithium battery charging | |
| CN106824831A (en) | A kind of manufacture method of the motive-power battery for improving lithium ion battery uniformity | |
| CN109165687A (en) | Vehicle lithium battery method for diagnosing faults based on multi-category support vector machines algorithm | |
| CN107377422B (en) | A kind of method for separating of single battery | |
| CN103051034B (en) | Equalizing charging device and control method | |
| CN104037461B (en) | Power train in vehicle application lithium ion battery grouping method | |
| CN107607874A (en) | The bikini screening technique of quick charge/discharge lithium ion battery | |
| CN107362989B (en) | A kind of method for separating of lithium-ion-power cell | |
| CN103633695A (en) | Improved lithium battery pack equalizing method and equalizing circuit thereof | |
| CN103956513B (en) | A kind of method for group matching of high-capacity lithium electrokinetic cell | |
| CN101752624A (en) | A kind of equalizing charge of battery method and device | |
| CN108321871A (en) | A kind of active equalization circuit and its equalization methods of series battery | |
| CN104090239A (en) | Series connection lithium ion battery screening method | |
| CN109510319A (en) | A kind of energy storage battery system being made of super capacitor, lithium battery and lead-acid battery | |
| CN103227351A (en) | Pulse charging method used for prolonging VRLA battery service life | |
| CN207442455U (en) | A kind of voltage balance circuit for energy-storage system battery module | |
| CN109755948A (en) | Voltage balance circuit and its voltage balancing method for energy-storage system battery module | |
| CN106786922A (en) | The passive equalizing circuit and method of a kind of battery management system | |
| CN106921182A (en) | A kind of device and method for improving flow cell pile voltage uniformity | |
| CN201947013U (en) | A power supply manage system for compensating and balancing voltage difference | |
| CN103794826A (en) | Lithium ion battery assembling method | |
| CN204834719U (en) | Lithium ion battery system for solar street lamp | |
| CN109428131B (en) | Maintenance method suitable for lithium ion battery energy storage system | |
| CN205544494U (en) | Battery equalizing charge device |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |