CN105337364A - Power management system for electric ship and management method thereof - Google Patents
Power management system for electric ship and management method thereof Download PDFInfo
- Publication number
- CN105337364A CN105337364A CN201510844602.XA CN201510844602A CN105337364A CN 105337364 A CN105337364 A CN 105337364A CN 201510844602 A CN201510844602 A CN 201510844602A CN 105337364 A CN105337364 A CN 105337364A
- Authority
- CN
- China
- Prior art keywords
- module
- battery
- battery pack
- pack bag
- output control
- 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
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
- H01M10/48—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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a power management system for an electric ship and a management method thereof. A power supply for the electric ship comprises multiple groups of battery packs, and each group of battery packs includes a plurality of serially-connected batteries. The power management system is characterized in that each group of battery packs is connected with an information acquisition module, the information acquisition module comprises a voltage detection module, a current detection module, a temperature detection module and an output control module for achieving or cutting off power supply of the group of battery packs, the voltage detection module, the current detection module, the temperature detection module and the output control module in each information acquisition module are all connected with a battery management module, and the output end of the battery management module is connected with an upper computer. The power management system regards the battery packs as a whole, measures voltage, current, temperature and other data of each battery no longer, but monitors the voltage, current, temperature and other data of the battery packs in a unified mode, and thereby reducing the cost, simplifying the structure and enabling the method to be applicable to ship power management.
Description
Technical field
The present invention relates to a kind of electric ship management system and management method thereof.
Background technology
Battery management system (BATTERYMANAGEMENTSYSTEM is called for short BMS) is the tie between battery and user, and Main Function is to liking secondary cell.There are some shortcomings below in secondary cell: stored energy is few, the life-span is short, connection in series-parallel use difficulty, safety in utilization are poor, battery electric quantity estimation difficulty.And the performance of battery is very complicated, dissimilar battery behavior also differs greatly, and battery management system is exactly mainly the utilance in order to improve battery, prevents battery from occurring overcharging and over-discharge can, extend the useful life of battery, the state of monitoring battery.
Current method for managing power supply mainly concentrates in electric automobile, this kind of vehicles of battery vehicle, and the power management of electric automobile divides multiple module, complex management, height of controlling cost, and it is too high that direct cover is used in use cost on boats and ships.
Summary of the invention
Primary technical problem to be solved by this invention provides a kind of specially for the electric ship management system of electric ship for above-mentioned prior art for above-mentioned prior art.
The further technical problem to be solved of the present invention is to provide a kind of management method of electric ship management system.
The present invention solves the technical scheme that above-mentioned primary technical problem adopts: a kind of electric ship management system, wherein electric ship source includes many Battery packs bag, every Battery pack Bao Jun comprises the battery that some joints are connected in series, it is characterized in that: every Battery pack Bao Jun is connected with information acquisition module, this information acquisition module includes: for gathering the voltage detection module of the voltage of whole Battery pack bag, for gathering the current detection module of the electric current of whole Battery pack bag, for gathering the temperature detecting module of the temperature of whole Battery pack bag, and for being communicated with or cutting off the output control module that this Battery pack bag is powered, voltage detection module in every block message acquisition module, current detection module, temperature detecting module is all connected with battery management module with output control module, the output of battery management module is connected with host computer, whether the voltage of connected power brick, electric current, temperature and this power brick give the information conveyance of system power supply to battery management module by each information acquisition module, battery management module gathers total voltage, electric current, the temperature in whole electric ship source according to the information that each information acquisition module is sent and has how many power brick to system power supply, calculate the dump energy percentage in whole electric ship source simultaneously, then result is uploaded to host computer.
Preferably, described information acquisition module is connected with adopting 485 buses between battery management module, also adopts 485 buses to be connected between battery management module with host computer.
Due to the growth along with the time, the quantity of electric charge that battery is full of electricity is on a declining curve, and therefore as improving, described battery management module calculates the dump energy percentage in whole electric ship source in the following manner:
Dump energy percentage=the 1-(discharge charge amount/charging charge amount total amount * η) in whole electric ship source, wherein η is the charge rate in whole electric ship source.The present invention pours how many electricity by calculating, and release how many electricity and charge rate η to calculate the dump energy percentage in whole electric ship source, this method more effectively can represent battery dump energy accurately.
The present invention solves the technical scheme that above-mentioned further technical problem adopts: a kind of management method of electric ship management system, it is characterized in that: battery management module monitors the temperature of each Battery pack bag in real time, when the temperature of a certain Battery pack bag exceedes preset temperature threshold value, the power supply of this Battery pack bag is exported to the output control module be connected with this Battery pack bag and cuts off by battery management module output control signal, when the power supply outputting cutting of output control module by this Battery pack bag is had no progeny, this Battery pack bag has been departed from output and has been uploaded to battery management module by output control module, the proportional numbers that reality exports between power brick and total power brick by battery management module is again uploaded to host computer.
As improvement, battery management module monitors charging current or the discharging current of each Battery pack bag in real time, when the charging current of a certain Battery pack bag exceedes default charging current threshold value or discharging current exceedes default discharging current threshold, the power supply of this Battery pack bag is exported to the output control module be connected with this Battery pack bag and cuts off by battery management module output control signal, when the power supply outputting cutting of output control module by this Battery pack bag is had no progeny, this Battery pack bag has been departed from output and has been uploaded to battery management module by output control module, the proportional numbers that reality exports between power brick and total power brick by battery management module is again uploaded to host computer.
Compared with prior art, the invention has the advantages that: power brick is looked as a whole by the present invention, no longer measure the data such as the voltage of every batteries, electric current, temperature, but the data such as voltage, electric current, temperature of unified monitoring power brick, thus reduce costs, simplified structure, makes the method be suitable for ship power supply management; In further scheme, in the present invention, the dump energy percentage calculation method in electric ship source introduces battery charge rate, thus makes the dump energy percentage calculation in whole electric ship source more accurate.
Accompanying drawing explanation
Fig. 1 is the block diagram of electric ship management system in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
A kind of electric ship management system as shown in Figure 1, wherein electric ship source includes many Battery packs bag, every Battery pack Bao Jun comprises the battery that some joints are connected in series, wherein every Battery pack Bao Jun is connected with information acquisition module, information acquisition module can make integral piece with power brick, wherein information acquisition module includes: for gathering the voltage detection module of the voltage of whole Battery pack bag, for gathering the current detection module of the electric current of whole Battery pack bag, for gathering the temperature detecting module of the temperature of whole Battery pack bag, and for being communicated with or cutting off the output control module that this Battery pack bag is powered, voltage detection module in every block message acquisition module, current detection module, temperature detecting module is all connected with battery management module with output control module, the output of battery management module is connected with host computer, the operation principle of this electric ship management system is: whether the voltage of connected power brick, electric current, temperature and this power brick give the information conveyance of system power supply to battery management module by each information acquisition module, battery management module gathers total voltage, electric current, the temperature in whole electric ship source according to the information that each information acquisition module is sent and has how many power brick to system power supply, calculate the dump energy percentage in whole electric ship source simultaneously, then result is uploaded to host computer, host computer further according to the dump energy percentage in whole electric ship source and the power of supplying cell bag quantity adjustment electric ship motor, makes electric ship reach optimal operational condition again.
In the present embodiment, described information acquisition module is connected with adopting 485 buses between battery management module, also adopts 485 buses to be connected between battery management module with host computer.
Described battery management module calculates the dump energy percentage in whole electric ship source in the following manner:
Dump energy percentage=the 1-(discharge charge amount/charging charge amount total amount * η) in whole electric ship source, wherein η is the charge rate in whole electric ship source, and η is a time dependent variable, η=α * e
(-β t), wherein t is the service time in whole electric ship source, and α, β are then the experience constant relevant to whole electric ship source attribute.As time goes on the use of battery is lossy, along with the growth of time, the quantity of electric charge that battery is full of electricity is on a declining curve, the capacity of such as one brand-new battery is 100AH, after using a period of time, the capacity of battery is lossy, suppose to become 98AH, here η is exactly 0.98, if or calculate by the full electric quantity of electric charge before, it is low that actual electricity ratio of continuing a journey shows, in order to address this problem, introduce this variable along with time variations of charge rate η, thus can better battery dump energy be expressed.
The management method of above-mentioned electric ship management system is: battery management module monitors the temperature of each Battery pack bag in real time, when the temperature of a certain Battery pack bag exceedes preset temperature threshold value, the power supply of this Battery pack bag is exported to the output control module be connected with this Battery pack bag and cuts off by battery management module output control signal, thus avoid battery pack that this dangerous phenomenon odds on fire occurs, when the power supply outputting cutting of output control module by this Battery pack bag is had no progeny, this Battery pack bag has been departed from output and has been uploaded to battery management module by output control module, the proportional numbers that reality exports between power brick and total power brick by battery management module is again uploaded to host computer, in addition, battery management module monitors charging current or the discharging current of each Battery pack bag in real time, when the charging current of a certain Battery pack bag exceedes default charging current threshold value or discharging current exceedes default discharging current threshold, the power supply of this Battery pack bag is exported to the output control module be connected with this Battery pack bag and cuts off by battery management module output control signal, thus reduce or avoid crossing because of power brick putting or cell damage that overshoot causes, when the power supply outputting cutting of output control module by this Battery pack bag is had no progeny, this Battery pack bag has been departed from output and has been uploaded to battery management module by output control module, the proportional numbers that reality exports between power brick and total power brick by battery management module is again uploaded to host computer.
Claims (5)
1. an electric ship management system, wherein electric ship source includes many Battery packs bag, every Battery pack Bao Jun comprises the battery that some joints are connected in series, it is characterized in that: every Battery pack Bao Jun is connected with information acquisition module, this information acquisition module includes: for gathering the voltage detection module of the voltage of whole Battery pack bag, for gathering the current detection module of the electric current of whole Battery pack bag, for gathering the temperature detecting module of the temperature of whole Battery pack bag, and for being communicated with or cutting off the output control module that this Battery pack bag is powered, voltage detection module in every block message acquisition module, current detection module, temperature detecting module is all connected with battery management module with output control module, the output of battery management module is connected with host computer, whether the voltage of connected power brick, electric current, temperature and this power brick give the information conveyance of system power supply to battery management module by each information acquisition module, battery management module gathers total voltage, electric current, the temperature in whole electric ship source according to the information that each information acquisition module is sent and has how many power brick to system power supply, calculate the dump energy percentage in whole electric ship source simultaneously, then result is uploaded to host computer.
2. electric ship management system according to claim 1, is characterized in that: described information acquisition module is connected with adopting 485 buses between battery management module, also adopts 485 buses to be connected between battery management module with host computer.
3. electric ship management system according to claim 1 and 2, is characterized in that: described battery management module calculates the dump energy percentage in whole electric ship source in the following manner:
Dump energy percentage=the 1-(discharge charge amount/charging charge amount total amount * η) in whole electric ship source, wherein η is the charge rate in whole electric ship source.
4. the management method of an electric ship management system as claimed in claim 3, it is characterized in that: battery management module monitors the temperature of each Battery pack bag in real time, when the temperature of a certain Battery pack bag exceedes preset temperature threshold value, the power supply of this Battery pack bag is exported to the output control module be connected with this Battery pack bag and cuts off by battery management module output control signal, when the power supply outputting cutting of output control module by this Battery pack bag is had no progeny, this Battery pack bag has been departed from output and has been uploaded to battery management module by output control module, the proportional numbers that reality exports between power brick and total power brick by battery management module is again uploaded to host computer.
5. management method according to claim 4, it is characterized in that: battery management module monitors charging current or the discharging current of each Battery pack bag in real time, when the charging current of a certain Battery pack bag exceedes default charging current threshold value or discharging current exceedes default discharging current threshold, the power supply of this Battery pack bag is exported to the output control module be connected with this Battery pack bag and cuts off by battery management module output control signal, when the power supply outputting cutting of output control module by this Battery pack bag is had no progeny, this Battery pack bag has been departed from output and has been uploaded to battery management module by output control module, the proportional numbers that reality exports between power brick and total power brick by battery management module is again uploaded to host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844602.XA CN105337364A (en) | 2015-11-27 | 2015-11-27 | Power management system for electric ship and management method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844602.XA CN105337364A (en) | 2015-11-27 | 2015-11-27 | Power management system for electric ship and management method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105337364A true CN105337364A (en) | 2016-02-17 |
Family
ID=55287729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510844602.XA Pending CN105337364A (en) | 2015-11-27 | 2015-11-27 | Power management system for electric ship and management method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105337364A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957561A (en) * | 2017-12-21 | 2018-04-24 | 水利部交通运输部国家能源局南京水利科学研究院 | Electric quantity monitoring device and system |
| CN108777331A (en) * | 2018-06-08 | 2018-11-09 | 广东小天才科技有限公司 | The charge control method and device of lithium ion battery in a kind of electronic equipment |
| CN112193091A (en) * | 2020-12-07 | 2021-01-08 | 澄瑞电力科技（上海）有限公司 | Automatic power supply control system and method for electric ship |
| CN112634490A (en) * | 2020-12-04 | 2021-04-09 | 上海心尔物联网科技有限公司 | Pedal boat with thing networking intelligence lock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119297A1 (en) * | 2011-03-05 | 2012-09-13 | Global Storage Group Llc | Electrical energy storage unit |
| CN202749476U (en) * | 2011-02-25 | 2013-02-20 | 南京华博科技有限公司 | Intelligent electromobile battery management system |
| CN103296740A (en) * | 2012-03-01 | 2013-09-11 | 微宏动力系统（湖州）有限公司 | Automatic switching method of battery pack |
| CN104617633A (en) * | 2015-02-24 | 2015-05-13 | 刘光辰 | Intelligent battery, electricity transfer bus system and balanced charging and discharging method |
-
2015
- 2015-11-27 CN CN201510844602.XA patent/CN105337364A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202749476U (en) * | 2011-02-25 | 2013-02-20 | 南京华博科技有限公司 | Intelligent electromobile battery management system |
| WO2012119297A1 (en) * | 2011-03-05 | 2012-09-13 | Global Storage Group Llc | Electrical energy storage unit |
| CN103296740A (en) * | 2012-03-01 | 2013-09-11 | 微宏动力系统（湖州）有限公司 | Automatic switching method of battery pack |
| CN104617633A (en) * | 2015-02-24 | 2015-05-13 | 刘光辰 | Intelligent battery, electricity transfer bus system and balanced charging and discharging method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957561A (en) * | 2017-12-21 | 2018-04-24 | 水利部交通运输部国家能源局南京水利科学研究院 | Electric quantity monitoring device and system |
| CN108777331A (en) * | 2018-06-08 | 2018-11-09 | 广东小天才科技有限公司 | The charge control method and device of lithium ion battery in a kind of electronic equipment |
| CN112634490A (en) * | 2020-12-04 | 2021-04-09 | 上海心尔物联网科技有限公司 | Pedal boat with thing networking intelligence lock |
| CN112193091A (en) * | 2020-12-07 | 2021-01-08 | 澄瑞电力科技（上海）有限公司 | Automatic power supply control system and method for electric ship |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103208828B (en) | A kind of series-connected cell group management system | |
| US10048322B2 (en) | Method of measuring battery pack current and correcting offsets of a current sensor | |
| CN103987567B (en) | For the hybrid battery system of elec. vehicle | |
| JP5517692B2 (en) | Battery pack and battery control system | |
| US9444267B2 (en) | Cell voltage equalizer for multi-cell battery pack which determines the waiting time between equalization operations based on the voltage difference and the state of charge level | |
| CN104749533B (en) | A kind of health state of lithium ion battery estimation on line method | |
| JP5916024B2 (en) | Battery remaining capacity estimation apparatus and method | |
| Omar et al. | Evaluation of performance characteristics of various lithium-ion batteries for use in BEV application | |
| US20170361729A1 (en) | Method and arrangement for determining a value of the state of energy of a battery in a vehicle | |
| US20140111164A1 (en) | Battery control device and battery system | |
| KR20080032454A (en) | Car battery management system | |
| CN105322613A (en) | Fast Charge Algorithms for Lithium-Ion Batteries | |
| CN102239064A (en) | Li-ion battery array for vehicle and other large capacity applications | |
| CN103715737A (en) | Lithium battery charging/ discharging management system | |
| JP6250164B2 (en) | Method and apparatus for balancing an energy storage system | |
| GB2550954A (en) | Electric vehicle battery management apparatus and method | |
| CN102673419A (en) | Intelligent management system of lithium battery of electric automobile | |
| CN105337364A (en) | Power management system for electric ship and management method thereof | |
| US20140055143A1 (en) | Battery testing system with energy circulation | |
| JP7418556B2 (en) | Charging method, battery management system for drive battery, and charging post | |
| EP4210151A1 (en) | Battery heating system, battery pack, and electric apparatus | |
| CN203632319U (en) | Lithium battery charging/discharging management system | |
| CN112498173A (en) | Hybrid battery pack control | |
| US20190160948A1 (en) | A method and a device for controlling the operation of an energy storage system in a vehicle | |
| KR101863700B1 (en) | Battery Management System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160217 |
|
| RJ01 | Rejection of invention patent application after publication |