CN111384751A - Charge-discharge management system of lithium battery pack - Google Patents
Charge-discharge management system of lithium battery pack Download PDFInfo
- Publication number
- CN111384751A CN111384751A CN202010155403.9A CN202010155403A CN111384751A CN 111384751 A CN111384751 A CN 111384751A CN 202010155403 A CN202010155403 A CN 202010155403A CN 111384751 A CN111384751 A CN 111384751A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- lithium battery
- module
- charging
- 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.)
- Withdrawn
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
-
- 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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- 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
-
- 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
-
- 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)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the technical field of battery charging and discharging, and discloses a lithium battery pack charging and discharging management system which comprises a lithium battery pack charging and discharging management system, an external charging power supply, a lithium battery pack, an alarm module and external equipment; the lithium battery pack charging and discharging management system is arranged on the server host in a carrying mode; the external charging power supply is in butt joint with the lithium battery pack through the charging module; the lithium battery pack is in butt joint with external equipment through the battery power supply module; the lithium battery pack charging and discharging management system comprises a main control unit, a battery state of charge estimation module, a fault diagnosis module, a charging and discharging management module, a balance control module, a thermal management module and a communication interface module. The master control unit is provided with a plurality of slave control units through CAN bus connection, and the slave control units are connected with the lithium battery pack; for detecting the voltage, current and temperature of the battery; the charge state of the battery is used for measuring the residual electric quantity of the battery; the fault diagnosis is used for judging the current state of the lithium battery pack and prolonging the service life of the lithium battery pack.
Description
Technical Field
The invention belongs to the technical field of battery charging and discharging, and particularly relates to a charging and discharging management system of a lithium battery pack.
Background
With the development of electronic technology, lithium batteries are applied more and more widely in various devices, and the safety of lithium batteries is the first priority in various researches. As a power supply device, the lithium ion battery pack has a wide application range in various electric devices, and as a power supply, the lithium ion battery pack not only needs to be charged for electric energy storage, but also needs to be discharged for energy supply, and how to simply charge and discharge the lithium ion battery pack is a point in the prior art.
Prior art CN205335923U provides a lithium battery pack charging and discharging intelligent management system, which comprises a single lithium battery voltage monitoring module, a charging and discharging current monitoring module, a single battery temperature monitoring module, a lithium battery pack electric quantity balancing module, a radiator and a protection circuit. This technical advantage lies in lithium cell group charge-discharge management system, and convenient to use can be at the current protection when charging and discharging and short-circuit current protection when discharging, monitors single section lithium cell voltage, monitors group battery temperature, quick balanced electric quantity, has guaranteed the safety of lithium cell group effectively, has prolonged the life-span of lithium cell group. But at lithium cell charge-discharge in-process, adopted the electric quantity balance technique, can disturb the demonstration of whole lithium cell group security state because monomer voltage and electric current, under the balanced operation of electric quantity, the abnormal conditions of group battery can be neglected because of the electric quantity balance, leads to the group battery to go wrong but appear damaging because of unable normal feedback.
There is current patent CN206865176U again to provide a high voltage lithium cell package charge-discharge control system, relates to high voltage lithium cell technical field, wherein charge-discharge control system includes: a battery pack branch including a battery pack; the first power supply branch comprises a first power supply and a first controllable switch which are connected in series; the load branch circuit comprises a load and a second controllable switch which are connected in series; the impedance of the load is smaller than the impedance of the battery pack and the first power supply; the battery pack branch circuit, the first power supply branch circuit and the load branch circuit are connected in parallel; the system further comprises: the detection control module is respectively connected with the control ends of the first controllable switch and the second controllable switch and used for detecting the electric quantity of the battery pack and generating a control instruction according to the electric quantity of the battery pack; the control instruction is used for controlling the first controllable switch and the second controllable switch to be opened or closed. The technical advantage lies in that the power supplied to the load can be improved, but the protection management measures for the lithium battery are lacked in the charging and discharging process of the lithium battery pack, and the lithium battery pack is easily damaged.
Disclosure of Invention
The invention provides a lithium battery pack charging and discharging management system, wherein a master control unit is provided with a plurality of slave control units through CAN bus connection, and the slave control units are connected with a lithium battery pack; the slave control unit is internally provided with a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit, and is used for detecting the voltage, the current and the temperature of the battery through the battery voltage detection unit, the battery current detection unit and the battery temperature detection unit respectively and transmitting the voltage, the current and the temperature to the master control unit for processing and feedback; the charge state of the battery is used for measuring the residual electric quantity of the battery and is very important for judging the usable time of the lithium battery pack; the fault diagnosis is used for judging the current state of the lithium battery pack and timely and correctly identifying abnormal conditions such as overvoltage, undervoltage, over-temperature and the like in the charging and discharging processes of the lithium battery pack, so that accidents are avoided; the balance control mainly eliminates the capacity difference among the single lithium battery packs, achieves consistency and prolongs the service life of the lithium battery packs.
The technique and method adopted by the present invention to solve the above problems are as follows:
a lithium battery pack charging and discharging management system comprises a lithium battery pack charging and discharging management system, an external charging power supply, a lithium battery pack, an alarm module and external equipment; the lithium battery pack charging and discharging management system is arranged on the server host in a carrying mode; the external charging power supply is in butt joint with the lithium battery pack through the charging module; the lithium battery pack is in butt joint with external equipment through the battery power supply module;
the lithium battery pack charging and discharging management system comprises a main control unit, a battery state of charge estimation module, a fault diagnosis module, a charging and discharging management module, a balance control module, a thermal management module and a communication interface module; the lithium battery charging and discharging management system is used for collecting the voltage, the current and the temperature of the battery, measuring the residual electric quantity of the battery and judging the current state of the battery;
the master control unit is provided with a plurality of slave control units through CAN bus connection, and the slave control units are connected with the lithium battery pack; the slave control unit is internally provided with a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit, and is used for detecting the voltage, the current and the temperature of the battery through the battery voltage detection unit, the battery current detection unit and the battery temperature detection unit respectively and transmitting the voltage, the current and the temperature to the master control unit for processing and feedback;
still be provided with alarm module between lithium cell group and the external equipment, alarm module and main control unit butt joint for charge, put or the warning of outage according to the testing result to lithium cell group.
Preferably, the lithium battery pack comprises a lithium battery I, a lithium battery II, a lithium battery III and more lithium batteries.
Preferably, when an external charging power supply charges the lithium battery pack through a charging module, a master control unit in the lithium battery pack charging and discharging management system detects the voltage, the current and the temperature of the lithium battery pack in the charging process through a plurality of slave control units connected through a CAN bus respectively by a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit; measuring the residual electric quantity of the battery through a battery charge state estimation module, and judging the current state of the battery through a fault diagnosis module; the capacity difference between the single batteries is eliminated through the balance control module; if the voltage, the current or the temperature of the lithium battery pack are detected to be in a problem in the charging process, the main control unit timely cuts off an external charging power supply to charge the lithium battery pack.
Preferably, when the lithium battery pack is powered by the battery power supply module to the external device, the master control unit in the lithium battery pack charging and discharging management system detects the voltage, the current and the temperature of the lithium battery pack in the power supply process through the battery voltage detection unit, the battery current detection unit and the battery temperature detection unit respectively by the plurality of slave control units connected by the CAN bus; measuring the residual electric quantity of the battery through a battery charge state estimation module, and judging the current state of the battery through a fault diagnosis module; the capacity difference between the single batteries is eliminated through the balance control module; if the voltage, the current or the temperature of the lithium battery pack is detected to have problems in the power supply process of the lithium battery pack, the main control unit timely cuts off the lithium battery pack to supply power to the external equipment;
and still be provided with alarm module between lithium cell group and the external equipment, alarm module and main control unit butt joint for charge, put or the warning of outage according to the testing result to lithium cell group.
The master control unit is provided with a plurality of slave control units through CAN bus connection, and the slave control units are connected with the lithium battery pack; the slave control unit is internally provided with a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit, and is used for detecting the voltage, the current and the temperature of the battery through the battery voltage detection unit, the battery current detection unit and the battery temperature detection unit respectively and transmitting the voltage, the current and the temperature to the master control unit for processing and feedback; the charge state of the battery is used for measuring the residual electric quantity of the battery and is very important for judging the usable time of the lithium battery pack; the fault diagnosis is used for judging the current state of the lithium battery pack and timely and correctly identifying abnormal conditions such as overvoltage, undervoltage, over-temperature and the like in the charging and discharging processes of the lithium battery pack, so that accidents are avoided; the balance control mainly eliminates the capacity difference among the single lithium battery packs, achieves consistency and prolongs the service life of the lithium battery packs; and still be provided with alarm module between lithium cell group and the external equipment, alarm module and main control unit butt joint for charge, put or the warning of outage according to the testing result to lithium cell group.
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 introduced below, 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 the drawings without creative efforts;
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will make the scope of the invention more clearly and unequivocally defined;
as shown in fig. 1, a lithium battery pack charge and discharge management system according to the technical solution of the present invention includes a lithium battery pack charge and discharge management system, an external charging power supply, a lithium battery pack, an alarm module, and an external device; the lithium battery pack charging and discharging management system is arranged on the server host in a carrying mode; the external charging power supply is in butt joint with the lithium battery pack through the charging module; the lithium battery pack is in butt joint with external equipment through the battery power supply module;
the lithium battery pack charging and discharging management system comprises a main control unit, a battery state of charge estimation module, a fault diagnosis module, a charging and discharging management module, a balance control module, a thermal management module and a communication interface module; the lithium battery charging and discharging management system is used for collecting the voltage, the current and the temperature of the battery, measuring the residual electric quantity of the battery and judging the current state of the battery;
the master control unit is provided with a plurality of slave control units through CAN bus connection, and the slave control units are connected with the lithium battery pack; the slave control unit is internally provided with a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit, and is used for detecting the voltage, the current and the temperature of the battery through the battery voltage detection unit, the battery current detection unit and the battery temperature detection unit respectively and transmitting the voltage, the current and the temperature to the master control unit for processing and feedback;
still be provided with alarm module between lithium cell group and the external equipment, alarm module and main control unit butt joint for charge, put or the warning of outage according to the testing result to lithium cell group.
Specifically, the lithium battery pack comprises a lithium battery I, a lithium battery II, a lithium battery III and more lithium batteries.
Example 1:
when an external charging power supply charges a lithium battery pack through a charging module, a master control unit in the lithium battery pack charging and discharging management system detects the voltage, the current and the temperature of the lithium battery pack in the charging process through a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit respectively through a plurality of slave control units connected through a CAN bus; measuring the residual electric quantity of the battery through a battery charge state estimation module, and judging the current state of the battery through a fault diagnosis module; the capacity difference between the single batteries is eliminated through the balance control module; if the voltage, the current or the temperature of the lithium battery pack are detected to be in a problem in the charging process, the main control unit timely cuts off an external charging power supply to charge the lithium battery pack.
Example 2:
when the lithium battery pack supplies power to external equipment through a battery power supply module, a master control unit in the lithium battery pack charge-discharge management system detects the voltage, the current and the temperature of the lithium battery pack in the power supply process through a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit respectively through a plurality of slave control units connected through a CAN bus; measuring the residual electric quantity of the battery through a battery charge state estimation module, and judging the current state of the battery through a fault diagnosis module; the capacity difference between the single batteries is eliminated through the balance control module; if the voltage, the current or the temperature of the lithium battery pack is detected to have problems in the power supply process of the lithium battery pack, the main control unit timely cuts off the lithium battery pack to supply power to the external equipment;
and still be provided with alarm module between lithium cell group and the external equipment, alarm module and main control unit butt joint for charge, put or the warning of outage according to the testing result to lithium cell group.
The master control unit is provided with a plurality of slave control units through CAN bus connection, and the slave control units are connected with the lithium battery pack; the slave control unit is internally provided with a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit, and is used for detecting the voltage, the current and the temperature of the battery through the battery voltage detection unit, the battery current detection unit and the battery temperature detection unit respectively and transmitting the voltage, the current and the temperature to the master control unit for processing and feedback; the charge state of the battery is used for measuring the residual electric quantity of the battery and is very important for judging the usable time of the lithium battery pack; the fault diagnosis is used for judging the current state of the lithium battery pack and timely and correctly identifying abnormal conditions such as overvoltage, undervoltage, over-temperature and the like in the charging and discharging processes of the lithium battery pack, so that accidents are avoided; the balance control mainly eliminates the capacity difference among the single lithium battery packs, achieves consistency and prolongs the service life of the lithium battery packs; and still be provided with alarm module between lithium cell group and the external equipment, alarm module and main control unit butt joint for charge, put or the warning of outage according to the testing result to lithium cell group.
The above description is only for the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of by the inventive labor should be covered within the protection scope of the present invention, and therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (4)
1. A lithium battery pack charging and discharging management system is characterized by comprising a lithium battery pack charging and discharging management system, an external charging power supply, a lithium battery pack, an alarm module and external equipment; the lithium battery pack charging and discharging management system is arranged on the server host in a carrying mode; the external charging power supply is in butt joint with the lithium battery pack through the charging module; the lithium battery pack is in butt joint with external equipment through the battery power supply module;
the lithium battery pack charging and discharging management system comprises a main control unit, a battery state of charge estimation module, a fault diagnosis module, a charging and discharging management module, a balance control module, a thermal management module and a communication interface module; the lithium battery charging and discharging management system is used for collecting the voltage, the current and the temperature of the battery, measuring the residual electric quantity of the battery and judging the current state of the battery;
the master control unit is provided with a plurality of slave control units through CAN bus connection, and the slave control units are connected with the lithium battery pack; the slave control unit is internally provided with a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit, and is used for detecting the voltage, the current and the temperature of the battery through the battery voltage detection unit, the battery current detection unit and the battery temperature detection unit respectively and transmitting the voltage, the current and the temperature to the master control unit for processing and feedback;
still be provided with alarm module between lithium cell group and the external equipment, alarm module and main control unit butt joint for charge, put or the warning of outage according to the testing result to lithium cell group.
2. The lithium battery pack charge and discharge management system according to claim 1, wherein: the lithium battery pack comprises a lithium battery I, a lithium battery II, a lithium battery III and more lithium batteries.
3. The lithium battery pack charge and discharge management system according to claim 1, wherein: when an external charging power supply charges the lithium battery pack through a charging module, a master control unit in the lithium battery pack charging and discharging management system detects the voltage, the current and the temperature of the lithium battery pack in the charging process through a plurality of slave control units connected through a CAN bus respectively through a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit; measuring the residual electric quantity of the battery through a battery charge state estimation module, and judging the current state of the battery through a fault diagnosis module; the capacity difference between the single batteries is eliminated through the balance control module; if the voltage, the current or the temperature of the lithium battery pack are detected to be in a problem in the charging process, the main control unit timely cuts off an external charging power supply to charge the lithium battery pack.
4. The lithium battery pack charge and discharge management system according to claim 1, wherein: when the lithium battery pack is powered by the battery power supply module to external equipment, a master control unit in the lithium battery pack charging and discharging management system detects the voltage, the current and the temperature of the lithium battery pack in the power supply process through a plurality of slave control units connected by a CAN bus and a battery voltage detection unit, a battery current detection unit and a battery temperature detection unit respectively; measuring the residual electric quantity of the battery through a battery charge state estimation module, and judging the current state of the battery through a fault diagnosis module; the capacity difference between the single batteries is eliminated through the balance control module; if the voltage, the current or the temperature of the lithium battery pack is detected to have problems in the power supply process of the lithium battery pack, the main control unit timely cuts off the lithium battery pack to supply power to the external equipment;
and still be provided with alarm module between lithium cell group and the external equipment, alarm module and main control unit butt joint for charge, put or the warning of outage according to the testing result to lithium cell group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155403.9A CN111384751A (en) | 2020-03-09 | 2020-03-09 | Charge-discharge management system of lithium battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155403.9A CN111384751A (en) | 2020-03-09 | 2020-03-09 | Charge-discharge management system of lithium battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111384751A true CN111384751A (en) | 2020-07-07 |
Family
ID=71221456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010155403.9A Withdrawn CN111384751A (en) | 2020-03-09 | 2020-03-09 | Charge-discharge management system of lithium battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111384751A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112331937A (en) * | 2020-11-11 | 2021-02-05 | 河北零点新能源科技有限公司 | Novel lithium battery safety management system |
| CN113922451A (en) * | 2021-10-13 | 2022-01-11 | 南京汉瑞交通技术有限公司 | Standby power supply system suitable for rail transit |
-
2020
- 2020-03-09 CN CN202010155403.9A patent/CN111384751A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112331937A (en) * | 2020-11-11 | 2021-02-05 | 河北零点新能源科技有限公司 | Novel lithium battery safety management system |
| CN112331937B (en) * | 2020-11-11 | 2023-12-22 | 河北零点新能源科技有限公司 | Novel lithium battery safety management system |
| CN113922451A (en) * | 2021-10-13 | 2022-01-11 | 南京汉瑞交通技术有限公司 | Standby power supply system suitable for rail transit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3054554B1 (en) | Battery pack and method of controlling the same | |
| CN101232110B (en) | Method and apparatus for charging batteries | |
| CN103311965B (en) | Batteries in parallel connection group discharge and recharge intelligent management apapratus and method | |
| CN107275694B (en) | Distributed storage battery equalization device and method with both active equalization and passive equalization | |
| CN104269899B (en) | Airborne lithium-ions battery system | |
| CN110116622A (en) | Battery system used for rail vehicle | |
| CN105162215A (en) | Distributed battery management system and method for lead-acid storage battery pack equalization | |
| CN108242842B (en) | Management device and method for parallel connection of different types of storage battery packs | |
| CN112600264B (en) | Control method and system of parallel battery packs, electronic equipment and vehicle | |
| CN202455122U (en) | Device for intelligently managing charge-discharge of battery group in parallel | |
| CN111384751A (en) | Charge-discharge management system of lithium battery pack | |
| CN110336357A (en) | A kind of novel lithium battery protection board | |
| CN108832686A (en) | Charge circuit and charge circuit detection method | |
| CN107425572A (en) | A kind of energy intelligent management system of power battery pack | |
| JP5366641B2 (en) | Lithium-ion battery management device and lithium-ion battery system | |
| CN105556784A (en) | Storage battery system | |
| CN112394287A (en) | Battery open circuit detection device and detection method thereof | |
| CN209913534U (en) | Battery management system | |
| CN208571667U (en) | A kind of extension transformer substation communication equipment power-on time device | |
| CN204668971U (en) | Airborne lithium-ions battery group system | |
| CN115514067A (en) | Energy storage battery management system device | |
| CN207398874U (en) | Lithium electricity ship battery management system | |
| CN106026356A (en) | Method for increasing capacity of battery | |
| CN116053618A (en) | Energy storage management system, control method and battery energy storage device | |
| CN212659977U (en) | Online intelligent management system for base station storage battery |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200707 |
|
| WW01 | Invention patent application withdrawn after publication |