CN109037796A - A kind of moving type active equalization battery group string management system and control method based on monomer electricity - Google Patents
A kind of moving type active equalization battery group string management system and control method based on monomer electricity Download PDFInfo
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- CN109037796A CN109037796A CN201710435737.XA CN201710435737A CN109037796A CN 109037796 A CN109037796 A CN 109037796A CN 201710435737 A CN201710435737 A CN 201710435737A CN 109037796 A CN109037796 A CN 109037796A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention belongs to batteries to store energy technical fields, and in particular to a kind of moving type active equalization battery group string management system and control method based on monomer electricity.The active equalization for not only effectively realizing battery group string, the auxiliary energy storage system one for being also used as the work of battery group string system in parallel is all power load power supply；And moving electricity cache accumulator can be taken on by separating the battery of a part of capacity in battery group string system as electricity cache accumulator subsystem is moved.The present invention by be arranged in battery group string system move the two-way DC/DC circuit of electricity, move electricity cache accumulator, move the components such as quantity of electricity controller composition with battery group string system in parallel work auxiliary energy storage system, its capacity is simply greater than the worst error capacity of battery group string power system capacity permission, small investment, effect are big, can more preferably meet the requirement of practical application.
Description
Technical field
The invention belongs to batteries to store energy technical fields, and in particular to a kind of moving type active equalization based on monomer electricity
Battery group string management system and control method.
Background technique
Battery management system (BMS) is in the use process of management battery pack, for the shape for maintaining single battery in battery pack
State consistency, monitors the state of each single battery in battery pack, and the battery low to electricity supplements electricity, the electric power storage high to electricity
Pond releases electricity and the safety of battery group string can be improved although cannot fundamentally change the defect of deviation battery
Using capacity, to play the role of guarantee cell safety, battery utilization benefit and maintenance battery life are improved.
The advanced technological means of the prior art is using active equalization, and principle is the storage that electricity in battery group string is high
A part of electricity of battery is transmitted back in low battery battery by conversion equipment, by energy-storage travelling wave tube be mainly capacitor or electricity
Sense realizes the in a basic balance of each cell voltage in battery pack by repeated charge inductively or capacitively；The big spininess of these methods
It being carried out between two batteries of single height, timeliness is poor, and by the lesser limitation of shifting savings, efficiency is relatively low,
Tend not to the requirement for meeting practical application.
Summary of the invention
In order to solve the defects of prior art and insufficient, the present invention proposes that a kind of moving type based on monomer electricity is actively equal
The battery group string management system that weighs and control method specifically include that and move the two-way DC/DC circuit of electricity, move electricity caching storage
Battery moves quantity of electricity controller, moves electricity positive DC bus, battery group string management system BMS, battery group string signal
Acquisition Circuit moves electricity negative DC bus, moves electricity cache accumulator signal acquisition sensor, system communication cable
Road moves electricity control route, the 1st battery of battery group string, the 2nd battery of battery group string, battery group string L battery, stores
The n-th battery of battery pack string, the 1st automatically controlled single-ended on-off switch, the 2nd automatically controlled both-end selection on-off switch, the 3rd automatically controlled both-end selection are logical
Disconnect pass, the automatically controlled both-end of L selects on-off switch, the n-th automatically controlled single-ended on-off switch, the 1st cathode to remove electric DC bus connecting pin
Son and line, the 2nd cathode remove electric DC bus connection terminal and line, the 3rd cathode remove electric DC bus connection terminal and line,
N-th cathode removes electric DC bus connection terminal and line, the 1st anode remove electric DC bus connection terminal and line, the 2nd anode are removed
Electric DC bus connection terminal and line, L anode remove electric DC bus connection terminal and line, the n-th anode remove electric direct current mother
Line connection terminal and line, the 1st sensor of accumulator monitoring, the 2nd sensor of accumulator monitoring, the 3rd sensor of accumulator monitoring,
Accumulator monitoring L sensor, the n-th sensor of accumulator monitoring, in which:
It moves the two-way DC/DC circuit of electricity and removes electric DC bus by moving electricity positive DC bus the 1st anode of connection
Connection terminal and line are removed electric DC bus connection terminal and line by the 1st anode and are connected through the 2nd automatically controlled both-end selection on-off switch
The positive terminal of the 1st battery of battery group string is connect, the positive electrical path that the 1st battery of battery group string moves electricity is constituted；
It moves the two-way DC/DC circuit of electricity and removes electric DC bus by moving electricity positive DC bus the 2nd anode of connection
Connection terminal and line are removed electric DC bus connection terminal and line by the 2nd anode and are connected through the 3rd automatically controlled both-end selection on-off switch
The positive terminal of the 2nd battery of battery group string is connect, the positive electrical path that the 2nd battery of battery group string moves electricity is constituted；
It moves the two-way DC/DC circuit of electricity and removes electric DC bus by moving electricity positive DC bus connection L anode
Connection terminal and line are removed electric DC bus connection terminal and line by L anode and are connected through the automatically controlled both-end selection on-off switch of L
The positive terminal of battery group string L battery is connect, the positive electrical path that battery group string L battery moves electricity is constituted；
It moves the two-way DC/DC circuit of electricity and removes electric DC bus by moving electricity positive DC bus the n-th anode of connection
Connection terminal and line are removed electric DC bus connection terminal and line by the n-th anode and are connected through the n-th automatically controlled both-end selection on-off switch
The positive terminal of battery group the n-th battery of string is connect, the positive electrical path that the n-th battery of battery group string moves electricity is constituted；
It moves the two-way DC/DC circuit of electricity and removes electric DC bus by moving electricity negative DC bus the 1st cathode of connection
Connection terminal and line are removed electric DC bus connection terminal and line by the 1st cathode and are stored through the 1st automatically controlled single-ended on-off switch connection
The negative terminal of the 1st battery of battery pack string constitutes the cathode electrical path that the 1st battery of battery group string moves electricity；
It moves the two-way DC/DC circuit of electricity and removes electric DC bus by moving electricity negative DC bus the 2nd cathode of connection
Connection terminal and line are removed electric DC bus connection terminal and line by the 2nd cathode and are connected through the 2nd automatically controlled both-end selection on-off switch
The negative terminal of the 2nd battery of battery group string is connect, the cathode electrical path that the 2nd battery of battery group string moves electricity is constituted；
It moves the two-way DC/DC circuit of electricity and removes electric DC bus by moving electricity negative DC bus the 3rd cathode of connection
Connection terminal and line are removed electric DC bus connection terminal and line by the 3rd cathode and are connected through the 3rd automatically controlled both-end selection on-off switch
The negative terminal of battery group string L battery is connect, the cathode electrical path that battery group string L battery moves electricity is constituted；
It moves the two-way DC/DC circuit of electricity and removes electric DC bus by moving electricity negative DC bus the n-th cathode of connection
Connection terminal and line are removed electric DC bus connection terminal and line by the n-th cathode and are connected through the automatically controlled both-end selection on-off switch of L
The negative terminal of battery group the n-th battery of string is connect, the cathode electrical path that the n-th battery of battery group string moves electricity is constituted；
It moves the two-way DC/DC circuit connection of electricity and moves electricity cache accumulator, composition moves electricity caching electrical path
And move electricity positive DC bus and that moves electricity negative DC bus moves electricity two-way flow electrical path；
Battery group string signal Acquisition Circuit is separately connected the 1st sensor of accumulator monitoring, accumulator monitoring the 2nd senses
Device, the 3rd sensor of accumulator monitoring, accumulator monitoring L sensor, the n-th sensor of accumulator monitoring, while battery group string
The cathode and anode of 1st battery are separately connected the 1st sensor of accumulator monitoring and the 2nd sensor of accumulator monitoring, battery group
It goes here and there the cathode of the 2nd battery and anode is separately connected the 2nd sensor of accumulator monitoring and the 3rd sensor of accumulator monitoring, battery
The cathode and anode of group string L battery are separately connected the 3rd sensor of accumulator monitoring and accumulator monitoring L sensor and storage
The cathode and anode of the n-th battery of battery pack string are separately connected accumulator monitoring L sensor, the n-th sensor of accumulator monitoring, structure
Link is acquired at the monitoring signals of each cell batteries of battery group string；
It moves quantity of electricity controller and controls route and be separately connected to move by moving electricity and the two-way DC/DC circuit of electricity and move
Electricity cache accumulator signal acquisition sensor, and pass through system communication net connection battery group string management system BMS, structure
The regulation link of electricity is moved at battery group string active equalization；
A kind of control method of the moving type active equalization battery group string management system based on monomer electricity are as follows:
When battery group string is opened and run, battery group string management system BMS is according to battery group string signal Acquisition Circuit
The accumulator parameter information of acquisition, is calculated, is analyzed, is compared, is determined；At least one electricity highest is found out during the charging process
Battery, the electricity that is higher by of relatively high one or more batteries is moved by moving the two-way DC/DC circuit of electricity
It moves in electricity cache accumulator；The minimum battery of at least one electricity is found out during discharge, it is double by moving electricity
It is moved in relatively low one or more batteries to DC/DC circuit by the electricity in electricity cache accumulator is moved
It is set to supplement the electricity lacked；By the lasting regulation of battery group string management system BMS, so that each in battery group string
The electricity of single battery is maintained within the scope of the consistency of setting；
Meanwhile battery group string management system BMS moves electricity cache accumulator by moving quantity of electricity controller monitoring
When electricity is higher, higher portion in electricity cache accumulator will be moved by moving the two-way DC/DC circuit of electricity by calculating analysis and Control
Divide electricity to move the electricity in multiple relatively low batteries, making to move in battery group string in electricity cache accumulator to keep
In the range of setting；Battery group string management system BMS moves electricity cache accumulator by moving quantity of electricity controller monitoring
Electricity it is relatively low when, by calculate analysis and Control move the two-way DC/DC circuit of electricity for multiple comparision of quantity of electricity in battery group string
Low battery, which is switched to, moves the two-way DC/DC circuit of electricity, is moved the electricity lacked by moving the two-way DC/DC circuit of electricity
To moving in electricity cache accumulator, it is maintained at the electricity moved in electricity cache accumulator in the range of setting.
A kind of moving type active equalization battery group string management system and control method based on monomer electricity, it is described to move
Electricity cache accumulator is characterized in: the capacity for moving electricity cache accumulator, which is greater than battery group string power system capacity, to be allowed most
Big error volume.
A kind of moving type active equalization battery group string management system and control method based on monomer electricity of the present invention, no
The active equalization for only effectively realizing battery group string is also used as the auxiliary energy storage of battery group string system in parallel work
System one is all power load power supply；And electricity cache accumulator is moved by separating a part in battery group string system
The battery of capacity is used as and moves electricity cache accumulator subsystem to take on.The present invention in battery group string system by setting
That sets moves the two-way DC/DC circuit of electricity, moves electricity cache accumulator, moves the components such as quantity of electricity controller are constituted and electric power storage
The auxiliary energy storage system of pond group string system in parallel work, capacity are simply greater than the maximum of battery group string power system capacity permission and miss
Poor capacity, small investment, effect are big, can more preferably meet the requirement of practical application.
Detailed description of the invention
Fig. 1 is a kind of principle of compositionality frame of moving type active equalization battery group string management system based on monomer electricity
Figure.
Specific embodiment
As examples of implementation, in conjunction with Fig. 1 to a kind of moving type active equalization battery group string management based on monomer electricity
System and control method are described, and still, technology of the invention and scheme are not limited to the present embodiment the content that son provides.
As shown in Figure 1, the present invention proposes a kind of moving type active equalization battery group string management system based on monomer electricity
System and control method, specifically include that and move the two-way DC/DC circuit (1) of electricity, move electricity cache accumulator (2), move electricity
Controller (3) moves electricity positive DC bus (4), battery group string management system BMS (5), the acquisition of battery group string signal
Circuit (6) moves electricity negative DC bus (7), moves electricity cache accumulator signal acquisition sensor (8), system communication
Cable road (9), move electricity control route (10), the 1st battery (101) of battery group string, the 2nd battery (102) of battery group string,
Battery group string L battery (10L), battery group the n-th battery of string (10n), the 1st automatically controlled single-ended on-off switch (201), the 2nd electricity
Control both-end selection on-off switch (202), the 3rd automatically controlled both-end selection on-off switch (203), the automatically controlled both-end selection on-off switch of L
(20L), the n-th automatically controlled single-ended on-off switch (20n), the 1st cathode remove electric DC bus connection terminal and line (301), the 2nd cathode
It removes electric DC bus connection terminal and line (302), the 3rd cathode removes electric DC bus connection terminal and line (303), n-th negative
Electric DC bus connection terminal is removed in pole and line (30n), the 1st anode remove electric DC bus connection terminal and line (401), the 2nd
Anode removes electric DC bus connection terminal and line (402), L anode remove electric DC bus connection terminal and line (40L),
N anode removes electric DC bus connection terminal and line (40n), the 1st sensor (501) of accumulator monitoring, accumulator monitoring the 2nd pass
Sensor (502), the 3rd sensor (503) of accumulator monitoring, accumulator monitoring L sensor (50L), accumulator monitoring n-th sense
Device (50n), in which:
It moves the two-way DC/DC circuit (1) of electricity and removes electricity directly by moving electricity positive DC bus (4) the 1st anode of connection
Busbar connecting terminal and line (401) are flowed, it is automatically controlled double through the 2nd to remove electric DC bus connection terminal and line (401) by the 1st anode
The positive terminal of end selection on-off switch (202) connection the 1st battery (101) of battery group string, constitutes the 1st battery of battery group string
(101) the positive electrical path of electricity is moved；
It moves the two-way DC/DC circuit (1) of electricity and removes electricity directly by moving electricity positive DC bus (4) the 2nd anode of connection
Busbar connecting terminal and line (402) are flowed, it is automatically controlled double through the 3rd to remove electric DC bus connection terminal and line (402) by the 2nd anode
The positive terminal of end selection on-off switch (203) connection the 2nd battery (102) of battery group string, constitutes the 2nd battery of battery group string
(102) the positive electrical path of electricity is moved；
It moves the two-way DC/DC circuit (1) of electricity and removes electricity directly by moving electricity positive DC bus (4) connection L anode
Busbar connecting terminal and line (40L) are flowed, it is automatically controlled double through L to remove electric DC bus connection terminal and line (40L) by L anode
The positive terminal of end selection on-off switch (20L) connection battery group string L battery (10L) constitutes battery group string L battery
(10L) moves the positive electrical path of electricity；
It moves the two-way DC/DC circuit (1) of electricity and removes electricity directly by moving electricity positive DC bus (4) the n-th anode of connection
Busbar connecting terminal and line (40n) are flowed, it is automatically controlled double through n-th to remove electric DC bus connection terminal and line (40n) by the n-th anode
The positive terminal of end selection on-off switch (20n) connection the n-th battery of battery group string (10n) constitutes the n-th battery of battery group string
(10n) moves the positive electrical path of electricity；
It moves the two-way DC/DC circuit (1) of electricity and removes electricity directly by moving electricity negative DC bus (7) the 1st cathode of connection
Busbar connecting terminal and line (301) are flowed, electric DC bus connection terminal and line (301) are removed through the 1st automatically controlled list by the 1st cathode
The negative terminal for holding on-off switch (201) connection the 1st battery (101) of battery group string, constitutes the 1st battery of battery group string
(101) the cathode electrical path of electricity is moved；
It moves the two-way DC/DC circuit (1) of electricity and removes electricity directly by moving electricity negative DC bus (7) the 2nd cathode of connection
Busbar connecting terminal and line (302) are flowed, it is automatically controlled double through the 2nd to remove electric DC bus connection terminal and line (302) by the 2nd cathode
The negative terminal of end selection on-off switch (202) connection the 2nd battery (102) of battery group string, constitutes the 2nd battery of battery group string
(102) the cathode electrical path of electricity is moved；
It moves the two-way DC/DC circuit (1) of electricity and removes electricity directly by moving electricity negative DC bus (7) the 3rd cathode of connection
Busbar connecting terminal and line (303) are flowed, it is automatically controlled double through the 3rd to remove electric DC bus connection terminal and line (303) by the 3rd cathode
The negative terminal of end selection on-off switch (203) connection battery group string L battery (10L) constitutes battery group string L battery
(10L) moves the cathode electrical path of electricity；
It moves the two-way DC/DC circuit (1) of electricity and removes electricity directly by moving electricity negative DC bus (7) the n-th cathode of connection
Busbar connecting terminal and line (30n) are flowed, it is automatically controlled double through L to remove electric DC bus connection terminal and line (30n) by the n-th cathode
The negative terminal of end selection on-off switch (20L) connection the n-th battery of battery group string (10n) constitutes the n-th battery of battery group string
(10n) moves the cathode electrical path of electricity；
It moves two-way DC/DC circuit (1) connection of electricity to move electricity cache accumulator (2), composition moves electricity caching electricity
Power path and move electricity positive DC bus (4) and that moves electricity negative DC bus (7) moves electricity two-way flow
Electrical path；
Battery group string signal Acquisition Circuit (6) is separately connected the 1st sensor (501) of accumulator monitoring, accumulator monitoring
2nd sensor (502), the 3rd sensor (503) of accumulator monitoring, accumulator monitoring L sensor (50L), accumulator monitoring
N sensor (50n), while the cathode of the 1st battery (101) of battery group string and anode are separately connected the sensing of accumulator monitoring the 1st
The 2nd sensor (502) of device (501) and accumulator monitoring, the cathode of the 2nd battery (102) of battery group string and anode are separately connected
The 2nd sensor (502) of accumulator monitoring and the 3rd sensor (503) of accumulator monitoring, battery group string L battery (10L) it is negative
Pole and anode are separately connected the 3rd sensor (503) of accumulator monitoring and accumulator monitoring L sensor (50L) and battery
The cathode and anode of group string the n-th battery (10n) are separately connected accumulator monitoring L sensor (50L), accumulator monitoring n-th passes
Sensor (50n), the monitoring signals for constituting each cell batteries of battery group string acquire link；
It moves quantity of electricity controller (3) and is separately connected by moving electricity control route (10) and move electricity two-way DC/DC electricity
Road (1) and electricity cache accumulator signal acquisition sensor (8) is moved, and battery is connected by system communication cable road (9)
Group string management system BMS (5) constitutes the regulation link that battery group string active equalization moves electricity；
A kind of control method of the moving type active equalization battery group string management system based on monomer electricity are as follows:
When battery group string is opened and run, battery group string management system BMS (5) is acquired according to battery group string signal
The accumulator parameter information of circuit (6) acquisition, is calculated, is analyzed, is compared, is determined；Find out at least one during the charging process
The highest battery of electricity, by moving two-way DC/DC circuit (1) being higher by relatively high one or more batteries of electricity
Electricity is moved in electricity cache accumulator (2)；The minimum battery of at least one electricity is found out during discharge, is led to
Cross move the two-way DC/DC circuit (1) of electricity the electricity moved in electricity cache accumulator (2) is moved it is relatively low
It is set to supplement the electricity lacked in one or more batteries；By the lasting regulation of battery group string management system BMS (5),
So that the electricity of each single battery in battery group string is maintained within the scope of the consistency of setting；
Meanwhile battery group string management system BMS (5) moves electricity caching storage by moving quantity of electricity controller (3) monitoring
When the electricity of battery (2) is higher, stored by calculating analysis and Control and moving the two-way DC/DC circuit (1) of electricity and will move electricity and cache
Higher part electricity is moved in battery group string in multiple relatively low batteries in battery (2), is made to move electricity caching and is stored
Electricity in battery (2) is maintained in the range of setting；Battery group string management system BMS (5) is by moving quantity of electricity controller
(3) monitoring move electricity cache accumulator (2) electricity it is relatively low when, move electricity two-way DC/DC electricity by calculating analysis and Control
The lower battery of electricity ratios multiple in battery group string is switched to by road (1) moves the two-way DC/DC circuit (1) of electricity, by removing
It moves the two-way DC/DC circuit (1) of electricity to move the electricity lacked in electricity cache accumulator (2), it is slow to make to move electricity
The electricity saved in battery (2) is maintained in the range of setting.
A kind of moving type active equalization battery group string management system and control method based on monomer electricity, it is described to move
Electricity cache accumulator (2) is characterized in: the capacity for moving electricity cache accumulator (2) is permitted greater than battery group string power system capacity
Perhaps worst error capacity.
A kind of moving type active equalization battery group string management system and control method based on monomer electricity of the present invention, no
The active equalization for only effectively realizing battery group string is also used as the auxiliary energy storage of battery group string system in parallel work
System one is all power load power supply；And move electricity cache accumulator (2) can be by separating in battery group string system
The battery of a part of capacity is used as and moves electricity cache accumulator (2) subsystem to take on.The present invention passes through in battery group
What is be arranged in string system moves the two-way DC/DC circuit (1) of electricity, moves electricity cache accumulator (2), moves quantity of electricity controller
(3) etc. the auxiliary energy storage system with the work of battery group string system in parallel that components are constituted, capacity are simply greater than battery group
The worst error capacity that power system capacity of going here and there allows, small investment, effect are big, can more preferably meet the requirement of practical application.
Claims (2)
1. a kind of moving type active equalization battery group string management system and control method based on monomer electricity, specifically includes that
The two-way DC/DC circuit (1) of electricity is moved, electricity cache accumulator (2) is moved, moves quantity of electricity controller (3), moves electricity anode
DC bus (4), battery group string management system BMS (5), battery group string signal Acquisition Circuit (6), to move electricity cathode straight
Stream bus (7) moves electricity cache accumulator signal acquisition sensor (8), system communication cable road (9), moves electricity control
Route (10), the 1st battery (101) of battery group string, the 2nd battery (102) of battery group string, battery group string L battery
(10L), battery group the n-th battery of string (10n), the 1st automatically controlled single-ended on-off switch (201), the 2nd automatically controlled both-end select on-off switch
(202), the 3rd automatically controlled both-end selection on-off switch (203), automatically controlled both-end selection on-off switch (20L) of L, n-th automatically controlled single-ended logical
Disconnection pass (20n), the 1st cathode removes electric DC bus connection terminal and line (301), the 2nd cathode remove electric DC bus connecting pin
Son and line (302), the 3rd cathode remove electric DC bus connection terminal and line (303), the n-th cathode remove electric DC bus connection
Terminal and line (30n), the 1st anode remove electric DC bus connection terminal and line (401), the 2nd anode are removed electric DC bus and connected
Connecting terminal and line (402), L anode remove electric DC bus connection terminal and line (40L), the n-th anode remove electric DC bus
Connection terminal and line (40n), the 1st sensor (501) of accumulator monitoring, the 2nd sensor (502) of accumulator monitoring, battery
Monitor the 3rd sensor (503), accumulator monitoring L sensor (50L), the n-th sensor of accumulator monitoring (50n), in which:
It moves the two-way DC/DC circuit (1) of electricity and removes electric direct current mother by moving electricity positive DC bus (4) the 1st anode of connection
Line connection terminal and line (401) are removed electric DC bus connection terminal and line (401) by the 1st anode and are selected through the 2nd automatically controlled both-end
The positive terminal for selecting on-off switch (202) connection the 1st battery (101) of battery group string, constitutes the 1st battery of battery group string
(101) the positive electrical path of electricity is moved；
It moves the two-way DC/DC circuit (1) of electricity and removes electric direct current mother by moving electricity positive DC bus (4) the 2nd anode of connection
Line connection terminal and line (402) are removed electric DC bus connection terminal and line (402) by the 2nd anode and are selected through the 3rd automatically controlled both-end
The positive terminal for selecting on-off switch (203) connection the 2nd battery (102) of battery group string, constitutes the 2nd battery of battery group string
(102) the positive electrical path of electricity is moved；
It moves the two-way DC/DC circuit (1) of electricity and removes electric direct current mother by moving electricity positive DC bus (4) connection L anode
Line connection terminal and line (40L) are removed electric DC bus connection terminal and line (40L) by L anode and are selected through the automatically controlled both-end of L
The positive terminal of on-off switch (20L) connection battery group string L battery (10L) is selected, battery group string L battery is constituted
(10L) moves the positive electrical path of electricity；
It moves the two-way DC/DC circuit (1) of electricity and removes electric direct current mother by moving electricity positive DC bus (4) the n-th anode of connection
Line connection terminal and line (40n) are removed electric DC bus connection terminal and line (40n) by the n-th anode and are selected through the n-th automatically controlled both-end
The positive terminal of on-off switch (20n) connection the n-th battery of battery group string (10n) is selected, the n-th battery of battery group string is constituted
(10n) moves the positive electrical path of electricity；
It moves the two-way DC/DC circuit (1) of electricity and removes electric direct current mother by moving electricity negative DC bus (7) the 1st cathode of connection
It is automatically controlled single-ended logical through the 1st to remove electric DC bus connection terminal and line (301) by the 1st cathode for line connection terminal and line (301)
The negative terminal for closing (201) connection the 1st battery (101) of battery group string is disconnected, the 1st battery (101) of battery group string is constituted and removes
Move the cathode electrical path of electricity；
It moves the two-way DC/DC circuit (1) of electricity and removes electric direct current mother by moving electricity negative DC bus (7) the 2nd cathode of connection
Line connection terminal and line (302) are removed electric DC bus connection terminal and line (302) by the 2nd cathode and are selected through the 2nd automatically controlled both-end
The negative terminal for selecting on-off switch (202) connection the 2nd battery (102) of battery group string, constitutes the 2nd battery of battery group string
(102) the cathode electrical path of electricity is moved；
It moves the two-way DC/DC circuit (1) of electricity and removes electric direct current mother by moving electricity negative DC bus (7) the 3rd cathode of connection
Line connection terminal and line (303) are removed electric DC bus connection terminal and line (303) by the 3rd cathode and are selected through the 3rd automatically controlled both-end
The negative terminal of on-off switch (203) connection battery group string L battery (10L) is selected, battery group string L battery is constituted
(10L) moves the cathode electrical path of electricity；
It moves the two-way DC/DC circuit (1) of electricity and removes electric direct current mother by moving electricity negative DC bus (7) the n-th cathode of connection
Line connection terminal and line (30n) are removed electric DC bus connection terminal and line (30n) by the n-th cathode and are selected through the automatically controlled both-end of L
The negative terminal of on-off switch (20L) connection the n-th battery of battery group string (10n) is selected, the n-th battery of battery group string is constituted
(10n) moves the cathode electrical path of electricity；
It moves two-way DC/DC circuit (1) connection of electricity to move electricity cache accumulator (2), composition moves electricity caching electric power road
Diameter and move electricity positive DC bus (4) and that moves electricity negative DC bus (7) moves electricity two-way flow electric power
Path；
Battery group string signal Acquisition Circuit (6) is separately connected the 1st sensor (501) of accumulator monitoring, accumulator monitoring the 2nd passes
Sensor (502), the 3rd sensor (503) of accumulator monitoring, accumulator monitoring L sensor (50L), accumulator monitoring n-th sense
Device (50n), while the cathode of the 1st battery (101) of battery group string and anode are separately connected the 1st sensor of accumulator monitoring
(501) and the 2nd sensor (502) of accumulator monitoring, the cathode of the 2nd battery (102) of battery group string and anode are separately connected storage
The cathode of battery detection the 2nd sensor (502) and the 3rd sensor (503) of accumulator monitoring, battery group string L battery (10L)
The 3rd sensor (503) of accumulator monitoring and accumulator monitoring L sensor (50L) and battery group are separately connected with anode
It goes here and there the cathode of the n-th battery (10n) and anode is separately connected accumulator monitoring L sensor (50L), accumulator monitoring n-th senses
Device (50n), the monitoring signals for constituting each cell batteries of battery group string acquire link；
It moves quantity of electricity controller (3) and is separately connected by moving electricity control route (10) and moves the two-way DC/DC circuit (1) of electricity
With move electricity cache accumulator signal acquisition sensor (8), and battery group string pipe is connected by system communication cable road (9)
Reason system BMS (5) constitutes the regulation link that battery group string active equalization moves electricity；
A kind of control method of the moving type active equalization battery group string management system based on monomer electricity are as follows:
When battery group string is opened and run, battery group string management system BMS (5) is according to battery group string signal Acquisition Circuit
(6) the accumulator parameter information acquired, is calculated, is analyzed, is compared, is determined；At least one electricity is found out during the charging process
Relatively high one or more batteries are higher by electricity by moving the two-way DC/DC circuit (1) of electricity by highest battery
It moves in electricity cache accumulator (2)；The minimum battery of at least one electricity is found out during discharge, by removing
It moves the two-way DC/DC circuit (1) of electricity and moves relatively low one for the electricity in electricity cache accumulator (2) is moved
Or it is made to supplement the electricity lacked in multiple batteries；By the lasting regulation of battery group string management system BMS (5), so that
The electricity of each single battery in battery group string is maintained within the scope of the consistency of setting；
Meanwhile battery group string management system BMS (5) moves electricity cache accumulator by moving quantity of electricity controller (3) monitoring
(2) when electricity is higher, electricity cache accumulator will be moved by moving the two-way DC/DC circuit (1) of electricity by calculating analysis and Control
(2) higher part electricity is moved in battery group string in multiple relatively low batteries in, makes to move electricity cache accumulator
(2) electricity in is maintained in the range of setting；Battery group string management system BMS (5) is by moving quantity of electricity controller (3) prison
Survey move electricity cache accumulator (2) electricity it is relatively low when, by calculate analysis and Control move the two-way DC/DC circuit (1) of electricity
The lower battery of electricity ratios multiple in battery group string is switched to and moves the two-way DC/DC circuit (1) of electricity, by moving electricity
Two-way DC/DC circuit (1) moves the electricity lacked in electricity cache accumulator (2), makes to move electricity caching electric power storage
Electricity in pond (2) is maintained in the range of setting.
2. a kind of moving type active equalization battery group string management system and controlling party based on monomer electricity according to claim 1
Method, the electricity cache accumulator (2) of moving are characterized in: the capacity for moving electricity cache accumulator (2) is greater than battery group
The worst error capacity that power system capacity of going here and there allows.
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| CN102170029A (en) * | 2011-03-29 | 2011-08-31 | 哈尔滨工业大学 | Energy transfer type power battery quick balancing system and control method |
| CN104953194A (en) * | 2014-03-31 | 2015-09-30 | 比亚迪股份有限公司 | Battery equalization control device, electrombile with battery equalization control device, and battery equalization control method |
| CN105703442A (en) * | 2016-03-29 | 2016-06-22 | 天津市松正电动汽车技术股份有限公司 | Serial battery pack equalization circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170029A (en) * | 2011-03-29 | 2011-08-31 | 哈尔滨工业大学 | Energy transfer type power battery quick balancing system and control method |
| CN104953194A (en) * | 2014-03-31 | 2015-09-30 | 比亚迪股份有限公司 | Battery equalization control device, electrombile with battery equalization control device, and battery equalization control method |
| CN105703442A (en) * | 2016-03-29 | 2016-06-22 | 天津市松正电动汽车技术股份有限公司 | Serial battery pack equalization circuit |
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Application publication date: 20181218 |