CN107968446A - Distributed battery bag electric power system and charge/discharge control method - Google Patents
Distributed battery bag electric power system and charge/discharge control method Download PDFInfo
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- CN107968446A CN107968446A CN201610912025.8A CN201610912025A CN107968446A CN 107968446 A CN107968446 A CN 107968446A CN 201610912025 A CN201610912025 A CN 201610912025A CN 107968446 A CN107968446 A CN 107968446A
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- battery pack
- switch
- voltage
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- switch unit
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- 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)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the present invention provides a kind of distributed battery bag electric power system and charge/discharge control method.The first battery pack and the second battery pack of distributed battery bag electric power system of the present invention can be respectively to the high pressure system power supplies such as dynamical system, air-conditioning system, to increase the flexibility of electric power system and security.Wherein, a battery pack failure has no effect on the power supply of another battery pack, so as to effectively lift the reliability of electric power system.
Description
Technical field
The present embodiments relate to Power Electronic Technique, more particularly to a kind of distributed battery bag electric power system and discharge and recharge
Control method.
Background technology
With the continuous development of automotive engineering, the new-energy automobile such as electric automobile, hybrid vehicle has obtained extensively should
With.
Fig. 1 is the electric power system partial structural diagram in a kind of automobile, as shown in Figure 1, m battery core composes in parallel one
Module, module voltage is identical with single battery core voltage, and module capacity is changed into m times of single battery core capacity, multiple block coupled in series groups
Into a module, n module is composed in series the battery pack of electric power system.The battery pack is powered by relay to high-voltage load.
Wherein, the total voltage of battery pack depends on block coupled in series sum, and total ampere-hour number depends on the battery core quantity of inside modules parallel connection.
However, the reliability of the typical series-connected cell bag electric power system of above-mentioned Fig. 1 is relatively low, if specifically, interior
Short trouble occur for some battery core of portion or several battery cores may result in whole module to break down, when any one module or
When module breaks down, power failure can be caused, or even occurred dangerous.
The content of the invention
The embodiment of the present invention provides a kind of distributed battery bag electric power system and charge/discharge control method, is supplied with effective lifting
The reliability of electric system.
In a first aspect, the embodiment of the present invention provides a kind of distributed battery bag electric power system, including：
Charging module, the first battery pack, first switch unit, the second battery pack, second switch unit and control unit；
The output terminal of the charging module is connected with first switch unit and the second switch unit respectively, the charging
The input terminal of module is connected with first switch unit and second switch unit respectively, and first switch unit and the first battery pack connect
Connect, second switch unit is connected with the second battery pack；
Control unit difference charging module, the first battery pack, first switch unit, the second battery pack and second switch list
Member connection, control unit be used for according to the state of the first battery pack and the second battery pack to charging module, first switch unit and
Second switch unit is controlled；
First battery pack includes multiple battery cores being serially connected, and the second battery pack includes multiple battery cores being serially connected.
Charging module 11 can be specifically Vehicular charger, and the input terminal of charging module 11 can connect AC charging and connect
Mouthful, for accessing external power supply.
In this implementation, the above-mentioned connection mode of distributed battery bag electric power system, control unit can control first
Switch element and second switch unit so that the output terminal of charging module and the first battery pack be turned on or off, charging module
Output terminal is turned on or off with the second battery pack, i.e., can be respectively to dynamical system, sky from the first battery pack and the second battery pack
The high pressure system power supply such as adjusting system, to increase the flexibility of electric power system and security.Wherein, a battery pack failure not shadow
The power supply of another battery pack is rung, so as to effectively lift the reliability of electric power system.
The above-mentioned connection mode of the distributed battery bag electric power system of this implementation, can also realize the first battery pack pair
Second battery pack charges or the second battery pack charges to the first battery pack.
With reference to first aspect or first aspect any of the above-described kind of possible implementation, first aspect one kind may
Implementation in, the first switch unit include first port, second port, the 3rd port, the 4th port, fifth port
With the 6th port；The first switch unit further includes first switch, second switch, third switch and the 4th switch；
One end of the first switch is connected with the first port, the other end of the first switch and the 3rd end
Mouth connection；One end of the second switch is connected with the second port, the other end of the second switch and the 4th end
Mouth connection；One end of 3rd switch is connected with the first port, the other end of the 3rd switch and the 5th end
Mouth connection；One end of 4th switch is connected with the second port, the other end of the 4th switch and the 6th end
Mouth connection；The first port is connected with the cathode of first battery pack, the second port and first battery pack
Anode connects, and the 3rd port and the 4th port be connected with the output terminal of the charging module, the fifth port with
6th port is connected with the input terminal of the charging module；
The second switch unit include the 7th port, the 8th port, the 9th port, the tenth port, the tenth Single port and
Tenth Two-port netwerk；The second switch unit further includes the 5th switch, the 6th switch, the 7th switch and the 8th switch；
One end of 5th switch is connected with the 7th port, the other end of the 5th switch and the 9th end
Mouth connection；One end of 6th switch is connected with the 8th port, the other end of the second switch and the tenth end
Mouth connection；One end of 7th switch is connected with the 7th port, the other end and the described 11st of the 7th switch
Port connects；One end of 8th switch is connected with the 8th port, the other end and the described tenth of the 8th switch
Two-port netwerk connects；7th port is connected with the cathode of second battery pack, the 8th port and second battery
The anode connection of bag, the 9th port and the tenth port are connected with the output terminal of the charging module, and the described 11st
Port is connected with the tenth Two-port netwerk with the input terminal of the charging module.
With reference to first aspect or first aspect any of the above-described kind of possible implementation, first aspect one kind may
Implementation in, first battery pack further include the 9th switch, it is described 9th switch be connected to first battery pack
Between cathode and the first port, second battery pack further includes the tenth switch, and the tenth switch is connected to described the
Between the cathode of two batteries and the 7th port.
With reference to first aspect or first aspect any of the above-described kind of possible implementation, first aspect one kind may
Implementation in, the charging module includes voltage transformation module, and the voltage transformation module is used for the charging module
The direct current of input terminal input be converted to the direct current of another voltage, to first battery pack or second battery pack
Charging.
In this implementation, the charging module of distributed battery bag electric power system can access direct current.
With reference to first aspect or first aspect any of the above-described kind of possible implementation, first aspect one kind may
Implementation in, the charging module further includes power factor correction unit, and the charging module is used for the alternating current
The alternating current of input terminal input is converted to direct current, charges to first battery pack and second battery pack.
In this implementation, the charging module of distributed battery bag electric power system can be with incoming transport electricity.
With reference to first aspect or first aspect any of the above-described kind of possible implementation, first aspect one kind may
Implementation in, the system also includes load, the load is connected with the output terminal of the charging module.
In this implementation, the first battery pack can power to the load, alternatively, the second battery pack can power to the load,
Alternatively, the first battery pack and the second battery pack can power to the load at the same time.
Second aspect, the embodiment of the present invention provide a kind of possible using any of the above-described kind such as first aspect or first aspect
Implementation distributed battery bag electric power system carry out charge control method, including：
The voltage of the first battery pack and the voltage of the second battery pack are obtained respectively, determine voltage difference；
Whether within a preset range the voltage difference is judged, if so, by controlling first switch unit to be formed by charging mould
First charge circuit of block and the first battery pack composition, and control second switch unit are formed by the charging module and second
Second charge circuit of battery pack composition, the alternating current of the input terminal input of charging module is by the first charge circuit to described the
One battery pack charges, and is charged by the second charge circuit to second battery pack；
Wherein, the first battery pack and the second battery pack are in parallel.
With reference to second aspect, in a kind of possible implementation of second aspect, the method further includes：
If first battery pack is fully charged state, charged back by controlling first switch unit to disconnect described first
Road；
If second battery pack is fully charged state, charged back by controlling second switch unit to disconnect described second
Road.
, may in one kind of second aspect with reference to second aspect or any of the above-described kind of possible implementation of second aspect
Implementation in, the method further includes：
If the voltage difference within a preset range, does not compare the voltage of the first battery pack and the voltage of the second battery pack；
If the voltage of first battery pack is more than the voltage of second battery pack, by controlling the second switch list
Member forms the second charge circuit being made of charging module and the second battery pack, and the alternating current of the input terminal input of charging module leads to
Cross the second charge circuit to charge to second battery pack, obtain the voltage after the charging of second battery pack.
, may in one kind of second aspect with reference to second aspect or any of the above-described kind of possible implementation of second aspect
Implementation in, the method further includes：
According to the voltage after the charging of the voltage of first battery pack and second battery pack, the electricity after renewal is determined
Pressure difference；
Whether within a preset range to judge the voltage difference after the renewal.
, may in one kind of second aspect with reference to second aspect or any of the above-described kind of possible implementation of second aspect
Implementation in, the method further includes：
If the voltage of first battery pack is not more than the voltage of second battery pack, by controlling the first switch
Unit forms the first charge circuit being made of charging module and the first battery pack, the alternating current of the input terminal input of charging module
Charged by the first charge circuit to first battery pack, obtain the voltage after the charging of first battery pack.
, may in one kind of second aspect with reference to second aspect or any of the above-described kind of possible implementation of second aspect
Implementation in, the method further includes：
According to the voltage after the charging of first battery pack and the voltage of second battery pack, the electricity after renewal is determined
Pressure difference；
Whether within a preset range to judge the voltage difference after the renewal.
The third aspect, the embodiment of the present invention provide a kind of possible using any of the above-described kind such as first aspect or first aspect
The distributed battery bag electric power system of implementation carry out the method that mutually charges between battery pack, including：
The voltage of the first battery pack and the voltage of the second battery pack are obtained respectively, determine voltage difference；
The voltage difference is judged whether in the first preset range, if it is not, then comparing the voltage and second of the first battery pack
The voltage of battery pack, if the voltage of first battery pack is more than the voltage of second battery pack, by controlling first switch
Unit and second switch unit form the first direct current being made of first battery pack, charging module and the second battery pack
Charge circuit, is charged from first battery pack by the first DC charging circuit to second battery pack.
With reference to the third aspect, in a kind of possible implementation of the third aspect, the method further includes：
The voltage after the charging of second battery pack is obtained, according to the voltage after the charging of second battery pack and institute
The voltage for stating the first battery pack determines the voltage difference after renewal；
The voltage difference after the renewal is judged whether in the second preset range, if so, by controlling the first switch
Unit and the second switch unit disconnect the DC charging circuit.
, may in one kind of the third aspect with reference to the third aspect or any of the above-described kind of possible implementation of the third aspect
Implementation in, the method further includes：
If the voltage of first battery pack is not more than the voltage of second battery pack, by controlling the first switch
Unit and the second switch unit form second be made of second battery pack, charging module and the first battery pack
DC charging circuit, is charged from second battery pack by the second DC charging circuit to first battery pack.
, may in one kind of the third aspect with reference to the third aspect or any of the above-described kind of possible implementation of the third aspect
Implementation in, the method further includes：
The voltage after the charging of first battery pack is obtained, according to the voltage after the charging of first battery pack and institute
The voltage for stating the second battery pack determines the voltage difference after renewal；
The voltage difference after the renewal is judged whether in the second preset range, if so, by controlling the first switch
Unit and the second switch unit disconnect two DC charging circuits.
Fourth aspect, the embodiment of the present invention provide a kind of possible using any of the above-described kind such as first aspect or first aspect
Implementation distributed battery bag electric power system carry out battery pack control of discharge method, including：
Judge whether to use the first battery pack high power discharge, the second battery pack small-power electric discharge, if so, then passing through control
First switch unit, forms the first discharge loop being made of first battery pack and load, and is opened by control second
Unit is closed, forms the second discharge loop being made of second battery pack, charging module and the load, first battery
Bag and second battery pack give the load supplying at the same time.
5th aspect, the embodiment of the present invention provide a kind of possible using any of the above-described kind such as first aspect or first aspect
Implementation distributed battery bag electric power system carry out battery pack control of discharge method, including：
Judge whether to use the second battery pack high power discharge, the first battery pack small-power electric discharge, if so, then passing through control
Second switch unit, forms the first discharge loop being made of the second battery pack and load, while by controlling first switch list
Member, formed by the first battery pack, charging module and it is described load the second discharge loop for forming, first battery pack and described
Second battery pack gives the load supplying at the same time.
Distributed battery bag electric power system of the embodiment of the present invention and charge/discharge control method, distributed battery bag electric power system
The first battery pack and the second battery pack can be respectively to the high pressure system power supply such as dynamical system, air-conditioning system, to increase power supply
The flexibility of system and security.Wherein, a battery pack failure has no effect on the power supply of another battery pack, so as to effectively be lifted
The reliability of electric power system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the electric power system partial structural diagram in a kind of automobile；
Fig. 2 is the structure diagram of distributed battery bag electric power system embodiment one of the present invention；
Fig. 3 is the structure diagram of distributed battery bag electric power system embodiment two of the present invention；
Fig. 4 A are the structure diagram of distributed battery bag electric power system embodiment three of the present invention；
Fig. 4 B are the structure diagram of distributed battery bag electric power system example IV of the present invention；
Fig. 5 is the structure diagram of the charging module of distributed battery bag electric power system of the present invention；
Fig. 6 is the structure diagram of distributed battery bag electric power system embodiment five of the present invention；
Fig. 7 is the structure diagram of distributed battery bag electric power system embodiment six of the present invention；
Fig. 8 is that the present invention carries out charge control using the distributed battery bag electric power system described in embodiment illustrated in fig. 3
The flow chart of the embodiment one of method；
Fig. 9 is the present invention using between the distributed battery bag electric power system progress battery pack described in embodiment illustrated in fig. 3
The flow chart of the embodiment one of the method mutually to charge；
Figure 10 is that the present invention carries out battery pack electric discharge using the distributed battery bag electric power system described in embodiment illustrated in fig. 3
The flow chart of the embodiment one of the method for control.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts, belong to the scope of protection of the invention.
Fig. 2 is the structure diagram of distributed battery bag electric power system embodiment one of the present invention, as shown in Fig. 2, this implementation
The distributed battery bag electric power system of example can include：Charging module 11, the first battery pack 12, first switch unit 13, second
Battery pack 14, second switch unit 15 and control unit 16.
Wherein, the input terminal connection of charging module 11, the output terminal of charging module 11 respectively with first switch unit 13 and
Second switch unit 15 connects, and the input terminal of charging module 12 connects with first switch unit 13 and second switch unit 15 respectively
Connect, first switch unit 13 is connected with the first battery pack 12, and second switch unit 15 is connected with the second battery pack 14.Specifically,
As shown in Fig. 2, there are four ports (131,132,133 and 134) in the side of first switch unit 13, opposite side has two ports
(135 and 136), wherein, port 131 and 132 is connected with the output terminal of charging module 12, port 133 and 134 and charging module 11
Input terminal connection, port 135 and 136 is connected with the first battery pack 12, specifically, 135 and first battery pack 12 of port is just
Pole connects, and port 136 is connected with the anode of the first battery pack 12.Similar therewith, there are four ends in the side of second switch unit 15
Mouth (151,152,153 and 154), opposite side have two ports (155 and 156), wherein, port 151 and 152 and charging module 11
Output terminal connection, port 153 and 154 is connected with the input terminal of charging module 11, port 155 and 156 and the second battery pack 14
Connection, specifically, port 155 is connected with the cathode of the first battery pack 14, port 136 is connected with the anode of the first battery pack 14.
As shown in Fig. 2, control unit 16 respectively with charging module 11, the first battery pack 12, first switch unit 13, second
Battery pack 14 and second switch unit 15 connect, and control unit 16 is used for according to the first battery pack 12 and the second battery pack 14
State is controlled charging module 11, first switch unit 13 and second switch unit 14.
Wherein, control unit 16 can be specifically used for control first switch unit 13 and second switch unit 15 so that fill
The output terminal of electric module 11 is turned on or off with the first battery pack 12, the output terminal of charging module 11 is turned on the second battery pack 14
Or disconnect, or cause charging module 11 output terminal and the first battery pack 12 turn on, the input terminal of charging module 11 and second
Battery pack 14 turns on, or cause charging module 11 input terminal and the first battery pack 12 turn on, the output terminal of charging module 11
Turned on the second battery pack 14.Control unit 16 specifically controls the parameters such as charging current, the maximum charging voltage of charging module 11.
It should be noted that as shown in Fig. 2, 16 and first battery pack 12 of control unit, the second battery pack 14, first switch unit 13,
It is four-headed arrow between second switch unit 15 and charging module 11, it, which refers specifically to control unit 16, can obtain above-mentioned
The current state of Unit one, can also carry out active control to any cell.Wherein, between control unit 16 and charging module 11
Two-way communication can be carried out, its communication mode can specifically use enforceable mode, not be restricted herein.
Wherein, the first battery pack 12 includes multiple battery cores 121 being serially connected, and the second battery pack 14 includes multiple mutually strings
The battery core 141 of connection.
Charging module 11 can be specifically Vehicular charger, a kind of achievable mode, and the input terminal of charging module 11 can be with
Alternating-current charging interface is connected, for accessing external power supply, leads to external power supply and charges to the first battery pack and/or the second battery pack.
" A and/or B " refer specifically to A, B or A and B.The achievable mode of another kind, the input terminal of charging module 11 connect the second battery
Bag, is charged by the second battery pack to the first battery pack.Another can realize mode, the input terminal connection first of charging module 11
Battery pack, is charged by the first battery pack to the second battery pack.Another can realize mode, the input terminal connection of charging module 11
Second battery pack, is powered to the load by the second battery pack and the first battery pack.Also a kind of achievable mode, charging module 11
Input terminal connects the first battery pack, is powered to the load by the first battery pack and the second battery pack.
The first battery pack and the second battery pack in the distributed battery bag electric power system of the present embodiment can be respectively to dynamic
The high pressure system power supply such as Force system, air-conditioning system, to increase the flexibility of electric power system and security.Wherein, a battery pack
Failure has no effect on the power supply of another battery pack, so as to effectively lift the reliability of electric power system.
Several specific embodiments are used below, and the electric power system shown in Fig. 2 is described in detail.
Fig. 3 is the structure diagram of distributed battery bag electric power system embodiment two of the present invention, as shown in figure 3, this implementation
The device of example is on the basis of Fig. 2 shown device structures, and further, first switch unit 13 can specifically include：First opens
Close Sa1, second switch Sa2, the 3rd switch Sa3 and the 4th switch Sa4.Second switch unit 15 can specifically include the 5th switch
Sb1, the 6th switch Sb2, the 7th switch Sb3 and the 8th switch Sb4.
Specifically, one end of first switch Sa1 is connected with first port 135, the other end of first switch Sa1 and the 3rd end
Mouth 131 connects；One end of second switch Sa2 is connected with second port 136, the other end of second switch Sa2 and the 4th port 132
Connection；One end of 3rd switch Sa3 is connected with first port 135, and the other end of the 3rd switch Sa2 is connected with fifth port 133；
One end of 4th switch Sa4 is connected with second port 136, and the other end of the 4th switch Sa4 is connected with the 6th port 134, and the 3rd
131 and the 4th port 132 of port is connected with the output terminal of charging module 11,133 and the 6th port 134 of fifth port and charging mould
The input terminal connection of block 11.
One end of 5th switch Sb1 is connected with the 7th port 155, and the other end of the 5th switch Sb1 connects with the 9th port 151
Connect；One end of 6th switch Sb2 is connected with the 8th port 156, and the other end of second switch Sb2 is connected with the tenth port 152；The
One end of seven switch Sb3 is connected with the 7th port 155, and the other end of the 7th switch Sb3 is connected with the tenth Single port 153；8th
One end of switch Sb4 is connected with the 8th port 156, and the other end of the 8th switch Sb4 is connected with the tenth Two-port netwerk 154；9th end
151 and the tenth port 152 of mouth is connected with the output terminal of charging module 11, the tenth Single port 153 and the tenth Two-port netwerk 154 and charging
The input terminal connection of module 11.
Wherein, first switch Sa1, second switch Sa2, the 5th switch Sb1 and the 6th switch Sb2 can be specifically high pressure after
Electric appliance, high voltage connector, thyristor etc., naturally it is also possible to be that other are alternative specifically so that circuit turn-on or break function
Electronic component, differ an illustration herein.3rd switch Sa3, the 4th switch Sa4, the 7th switch Sb3 and the 8th switch
Sb4 is mainly used for balancing the energy of the first battery pack 12 and the second battery pack 14, and power is relatively small, then can specifically select height
Potential relay, high voltage connector, thyristor etc., can also use semiconductor devices (including but not limited to semiconductor field effect transistor
Pipe MOSFET).
The first battery pack and the second battery pack in the distributed battery bag electric power system of the present embodiment can be respectively to dynamic
The high pressure system power supply such as Force system, air-conditioning system, to increase the flexibility of electric power system and security.Wherein, a battery pack
Failure has no effect on the power supply of another battery pack, so as to effectively lift the reliability of electric power system.
Fig. 4 A are the structure diagram of distributed battery bag electric power system embodiment three of the present invention, and Fig. 4 B are distributed for the present invention
The structure diagram of formula battery pack electric power system example IV, as shown in Figure 4 A and 4 B shown in FIG., in the base of structure shown in Fig. 2 and Fig. 3
On plinth, load specifically could be provided as shown in Figure 4 A, may be set to be as shown in Figure 4 B.Specifically, as shown in Figure 4 A, often
The independent powering load of a battery pack (the first battery pack and the second battery pack), the cathode each loaded and corresponding battery pack
Cathode connection, the anode each loaded connects with the anode of corresponding battery pack.As shown in Figure 4 A, load 1 one end with
First port 135 connects, and loads 1 other end and is connected with second port 136, loads 2 one end and is connected with the 7th port 155,
The other end of load 2 is connected with the 8th port 156.That is the first battery pack 12 and the second battery pack 14 are negative to what is each connected respectively
Carry power supply.
The achievable mode of another kind, as shown in Figure 4 B, load is connected between 133 and the 6th end 134 of fifth port, due to
Tenth Single port 153 is connected with fifth port 133, and the tenth Two-port netwerk 154 is connected with the 6th end 134, then loads and be also connected to
Between ten Single ports 153 and the tenth Two-port netwerk 154.It is load supplying jointly by the first battery pack 12 and the second battery pack 14.
Optionally, above-mentioned first battery pack can also include the 9th switch Sa5, and the 9th, which switchs Sa5, is connected to the first battery
Between the cathode and first port 135 of bag 12, the second battery pack 14 can also include the tenth switch Sb5, the tenth switch Sb5 connections
Between the cathode of the second battery 14 and the 7th port 155.
Fig. 5 is the structure diagram of the charging module of distributed battery bag electric power system of the present invention, as shown in figure 5, upper
On the basis of the structure for stating embodiment, charging module 11 can specifically include voltage transformation module 111 and PFC list
Member 112.Wherein, voltage transformation module 111 is used to be changed input voltage, obtains suitable voltage and is powered, power
Factor correcting unit 112, the alternating current for AC input to be inputted are converted to direct current, to the first battery pack 12 and
Two battery packs 14 charge, or power to the load.
The distributed battery bag electric power system of the present embodiment not only can be using alternating current as input power, to the first battery
12 and second battery pack 14 of bag charges, can also be using direct current as input power, to the first battery pack 12 and the second battery pack
14 chargings, or power to the load.
Fig. 6 is the structure diagram of distributed battery bag electric power system embodiment five of the present invention, in the base of above-described embodiment
On plinth, as the achievable mode of another kind, as shown in fig. 6, the first battery pack 12 can merge with first switch unit 13, as
A kind of the first new battery pack, the second battery pack 14 can merge with second switch unit 15, as a kind of the second new battery
Bag, it can produce the technique effect identical with the distributed power supply system of above-described embodiment as a kind of form of expression.
Fig. 7 is the structure diagram of distributed battery bag electric power system embodiment six of the present invention, in the base of above-described embodiment
On plinth, as the achievable mode of another kind, as shown in fig. 7, the concentration with the distributed battery bag electric power system of above-described embodiment
Formula control is different, and the control unit of the distributed battery bag electric power system of the present embodiment can be distributed, as shown in fig. 7, often
One battery pack sets a corresponding control unit, and each control unit can be with interactive information, and control unit a can obtain the
The state of one battery pack 12, control unit b can obtain the state of the second battery pack 14, and control unit a or control unit b are carried out
Information collects, and according to the state of the first battery pack 12 and the state of the second battery pack 14 to first switch unit, second switch
Unit and charging module are controlled.Wherein, can be carried out between control unit a and control unit b and charging module 11 two-way
Communication.
The charge control under vehicle stop state can be carried out using the distributed battery bag electric power system of the present embodiment,
Charged respectively to each battery pack with realizing, can meet the charge requirement of each battery pack, and under vehicle running state
Control of discharge, to realize, continuous and effective powers to the load in vehicle travel process.Below by three embodiments to tool
The method that body carries out charge and discharge control using the distributed battery bag electric power system of the present embodiment is described in detail.
Fig. 8 is that the present invention carries out charge control using the distributed battery bag electric power system described in embodiment illustrated in fig. 3
The flow chart of the embodiment one of method, as shown in figure 8, the method for the present embodiment can include：
In the initialization procedure of the method for the present embodiment, all switches of distributed battery bag electric power system are set to be in disconnected
Open state.When the AC input of distributed battery bag electric power system is connected with input power, following step is performed.
The voltage of step 101, the voltage for obtaining the first battery pack respectively and the second battery pack, determines voltage difference.
Whether within a preset range step 102, judge the voltage difference, if so, step 103 is then performed, if it is not, then performing
Step 106.
Step 103, the first charging by controlling the formation of first switch unit to be made of charging module and the first battery pack
Circuit, and control second switch unit form the second charge circuit being made of the charging module and the second battery pack, fill
The alternating current of the input terminal input of electric module is charged by first charge circuit to first battery pack, and passes through institute
The second charge circuit is stated to charge to second battery pack.
Wherein, first battery pack and second battery pack are in parallel.
Specifically, control unit 16 can control the first switch Sa1 and second switch of closure first switch unit 13
Sa2, forms the first charge circuit being made of 11 and first battery pack 12 of charging module, and control closure second switch unit
15 the 5th switch Sb1 and the 6th switch Sb2, forms the second charging being made of 11 and second battery pack 14 of charging module
Circuit, the alternating current of the input terminal input of charging module 11 are charged by the first charge circuit to first battery pack, and
Charged by the second charge circuit to second battery pack.
If step 104, first battery pack are fully charged state, by controlling first switch unit to disconnect described first
Charge circuit.
Specifically, control unit 16 can control the first switch Sa1 and described second for disconnecting first switch unit 13 to open
Sa2 is closed, so as to disconnect the first charge circuit.
Wherein, fully charged state refers specifically to battery capacity and reaches battery maximum capacity.
If step 105, second battery pack are fully charged state, by controlling second switch unit to disconnect the second charging
Circuit.
Specifically, control unit 16 can control the 5th switch Sb1 and the 6th switch for disconnecting second switch unit 15
Sb2, so as to disconnect the second charge circuit.
Step 106, judge whether the voltage of the first battery pack is more than the voltage of the second battery pack, if so, then performing step
107th, if it is not, then performing step 108.
Step 107, by controlling the second switch unit to form be made of charging module and the second battery pack second
Charge circuit, the alternating current of the input terminal input of charging module are charged to second battery pack by the second charge circuit, obtained
Take the voltage after the charging of second battery pack.
Specifically, control unit 16 can control the 5th switch Sb1 and the 6th switch of closure second switch unit 15
Sb2, forms the second charge circuit.
And then determine voltage difference further according to the voltage after the charging of second battery pack and the voltage of the first battery pack, into
And it is back to step 102.
Step 108, by controlling the first switch unit to form be made of charging module and the first battery pack first
Charge circuit, the alternating current of the input terminal input of charging module are charged to first battery pack by the first charge circuit, obtained
Take the voltage after the charging of first battery pack.
Specifically, control unit 16 can control the first switch Sa1 and second switch of closure first switch unit 13
Sa2, forms the first charge circuit.
And then determine voltage difference further according to the voltage after the charging of first battery pack and the voltage of the second battery pack, into
And it is back to step 102.
The method of the charge control of the present embodiment, can be moved according to the first battery pack and the voltage status of the second battery pack
State controls first switch unit and second switch unit so that when the voltage of the first battery pack and the voltage phase difference of the second battery pack
When larger, wherein voltage smaller charging is individually for, when the two voltage phase difference is smaller, can be charged at the same time to the two, wherein
Any battery bag is full of, then stops battery pack charging, which, which stops charging, does not influence the charging of another battery pack, from
And it can meet the charge requirement of each battery pack.
Fig. 9 is the present invention using between the distributed battery bag electric power system progress battery pack described in embodiment illustrated in fig. 3
The flow chart of the embodiment one of the method mutually to charge, as shown in figure 9, the method for the present embodiment can include：
The method of the present embodiment is applied particularly to during normal vehicle operation.
The voltage of step 201, the voltage for obtaining the first battery pack respectively and the second battery pack, determines voltage difference.
Step 202, judge the voltage difference whether in the first preset range, if it is not, step 203 is then performed, if so, then
Perform step 201.
Step 203, judge whether the voltage of the first battery pack is more than the voltage of the second battery pack, if so, then performing step
204, if it is not, then performing step 208.
Step 204, by controlling first switch unit and second switch unit, formed by first battery pack, charging
First DC charging circuit of module and the second battery pack composition, is filled by first battery pack by first direct current
Electrical circuit charges to second battery pack.
Specifically, control unit 16 can control the 3rd switch Sa3 and the 4th switch of closure first switch unit 13
Sa4, and the 5th switch Sb1 and the 6th switch Sb2 of closure second switch unit 15 are controlled, and then form first direct current and fill
Electrical circuit.
Step 205, obtain the voltage after the charging of second battery pack, after the charging of second battery pack
Voltage and the voltage of first battery pack determine the voltage difference after renewal.
Step 206, judge the voltage difference after the renewal whether in the second preset range, if so, then performing step
207, if it is not, then performing step 204.
Step 207, filled by controlling the first switch unit and the second switch unit to disconnect first direct current
Electrical circuit.
Specifically, control unit 16, which can control, disconnects the 3rd switch Sa3, the 4th switch Sa4, the described 5th
Sb1 and the 6th switch Sb2 are switched, so as to disconnect the first DC charging circuit.
Step 208, by controlling the first switch unit and the second switch unit to be formed by second battery
Second DC charging circuit of bag, charging module and the first battery pack composition, passes through described second by second battery pack
Charge to first battery pack in DC charging circuit.
Specifically, control unit 16 can control the first switch Sa1 and second switch of closure first switch unit 13
Sa2, and the 7th switch Sb3 and the 8th switch Sb4 of closure second switch unit 15 are controlled, form second DC charging and return
Road.
Step 209, obtain the voltage after the charging of first battery pack, after the charging of first battery pack
Voltage and the voltage of second battery pack determine the voltage difference after renewal.
Step 210, judge the voltage difference after the renewal whether in the second preset range, if so, then performing step
211, if it is not, then performing step 208.
Step 211, filled by controlling the first switch unit and the second switch unit to disconnect second direct current
Electrical circuit.
Specifically, control unit 16 can control the first switch Sa1 and second switch for disconnecting first switch unit 13
Sa2, and the 7th switch Sb3 for disconnecting second switch unit 15 and the 8th switch Sb4 are controlled, and then disconnect second direct current and fill
Electrical circuit.
The discharge control method of the present embodiment, can be according to the first battery pack and the voltage status of the second battery pack, dynamic
Control first switch unit and second switch unit, in the undertension of any battery pack, can from another battery pack to
It is powered, so as to effectively lift the reliability of electric power system.
Figure 10 is that the present invention carries out battery pack electric discharge using the distributed battery bag electric power system described in embodiment illustrated in fig. 3
The flow chart of the embodiment one of the method for control, different from embodiment illustrated in fig. 9, the present embodiment is the first battery pack and the second electricity
Chi Bao powers to the load respectively, and power needed for the load of one of battery pack is big, then from two battery packs at the same time to the work(
The big load supplying of rate, as shown in Figure 10, the method for the present embodiment can include：
The method of the present embodiment is applied particularly to during normal vehicle operation.The load connection mode of the present embodiment is specific
For shown in Fig. 4 B.
Step 301, the discharge power for obtaining the first battery pack and the second battery pack respectively.
Step 302, judge whether to use the first battery pack high power discharge, the electric discharge of the second battery pack small-power.If so, then
Step 303 is performed, if it is not, then performing step 304.
Step 303, by controlling first switch unit, form the first electric discharge being made of first battery pack and load
Circuit, and by controlling second switch unit, forms by second battery pack, charging module and described loads form the
Two discharge loops, first battery pack and second battery pack give the load supplying at the same time.
Specifically, control unit 16 can control the first switch Sa1 and second switch of closure first switch unit 13
Sa2, forms the first discharge loop being made of the first battery pack 12 and load, and the control closure second switch of control unit 16
7th switch Sb3 of unit 15 and the 8th switch Sb4, forms second discharge loop.
Step 304, by controlling second switch unit, form the 3rd be made of the second battery pack and load and discharge back
Road, while by controlling first switch unit, form the 4th electric discharge being made of the first battery pack, charging module and the load
Circuit, first battery pack and second battery pack give the load supplying at the same time.
Specifically, control unit 16 can control the 5th switch Sb1 and the 6th switch of closure second switch unit 15
Sb2, forms the 3rd discharge loop, and the 3rd switch Sa3 of the control closure first switch of control unit 16 unit 13 and the
Four switch Sa4, form the 4th discharge loop.
The discharge control method of the present embodiment, the first battery pack and the second battery pack can at the same time to respective load supplying,
When any one battery pack high power discharge, another battery pack can be by charging module at the same time to the high power discharge
The load supplying of battery pack, to meet the power demands of different loads.So as to effectively lift the reliability of electric power system.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, execution the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (18)
- A kind of 1. distributed battery bag electric power system, it is characterised in that including：Charging module, the first battery pack, first switch unit, the second battery pack, second switch unit and control unit；The output terminal of the charging module is connected with the first switch unit and the second switch unit respectively, the charging The input terminal of module is connected with the first switch unit and the second switch unit respectively, the first switch unit and institute The connection of the first battery pack is stated, the second switch unit is connected with second battery pack；Described control unit respectively with the charging module, first battery pack, the first switch unit, it is described second electricity Chi Bao and second switch unit connection, described control unit are used for according to first battery pack and second battery The state of bag is controlled the charging module, the first switch unit and the second switch unit；First battery pack includes multiple battery cores being serially connected, and second battery pack includes multiple electricity being serially connected Core.
- 2. system according to claim 1, it is characterised in that described control unit is used to control the first switch unit With the second switch unit so that the output terminal of the charging module is turned on or off with first battery pack, described fills The output terminal of electric module is turned on or off with second battery pack, or causes the output terminal and described the of the charging module The conducting of one battery pack, the input terminal of the charging module are turned on second battery pack, or cause the charging module Input terminal is turned on first battery pack, the output terminal of the charging module is turned on second battery pack.
- 3. system according to claim 1 or 2, it is characterised in that the first switch unit includes first port, second Port, the 3rd port, the 4th port, fifth port and the 6th port；The first switch unit further includes first switch, second Switch, the 3rd switch and the 4th switch；One end of the first switch is connected with the first port, and the other end of the first switch connects with the 3rd port Connect；One end of the second switch is connected with the second port, and the other end of the second switch connects with the 4th port Connect；One end of 3rd switch is connected with the first port, and the other end of the 3rd switch connects with the fifth port Connect；One end of 4th switch is connected with the second port, and the other end of the 4th switch connects with the 6th port Connect；The first port is connected with the cathode of first battery pack, the anode of the second port and first battery pack Connection, the 3rd port and the 4th port be connected with the output terminal of the charging module, the fifth port and described 6th port is connected with the input terminal of the charging module；The second switch unit includes the 7th port, the 8th port, the 9th port, the tenth port, the tenth Single port and the tenth Two-port netwerk；The second switch unit further includes the 5th switch, the 6th switch, the 7th switch and the 8th switch；One end of 5th switch is connected with the 7th port, and the other end of the 5th switch connects with the 9th port Connect；One end of 6th switch is connected with the 8th port, and the other end of the second switch connects with the tenth port Connect；One end of 7th switch is connected with the 7th port, the other end and the tenth Single port of the 7th switch Connection；One end of 8th switch is connected with the 8th port, the other end of the 8th switch and the 12nd end Mouth connection；7th port is connected with the cathode of second battery pack, the 8th port and second battery pack Anode connects, and the 9th port and the tenth port are connected with the output terminal of the charging module, the tenth Single port It is connected with the tenth Two-port netwerk with the input terminal of the charging module.
- 4. system according to any one of claims 1 to 3, it is characterised in that the charging module includes voltage conversion mould Block, the voltage transformation module are used to the direct current that the input terminal of the charging module inputs being converted to the straight of another voltage Galvanic electricity, charges to first battery pack or second battery pack.
- 5. system according to claim 4, it is characterised in that the charging module further includes power factor correction unit, The charging module is used to the alternating current that the input terminal of the charging module inputs being converted to direct current, to first battery Bag and second battery pack charging.
- 6. system according to any one of claims 1 to 5, it is characterised in that the system also includes load, the load It is connected with the output terminal of the charging module.
- 7. a kind of carry out AC charging control using such as claim 1 to 6 any one of them distributed battery bag electric power system Method, it is characterised in that including：The voltage of the first battery pack and the voltage of the second battery pack are obtained respectively, determine voltage difference；Whether within a preset range judge the voltage difference, if so, by control first switch unit formed by charging module and First charge circuit of the first battery pack composition, and control second switch unit are formed by the charging module and the second battery Wrap the second charge circuit of composition, the alternating current of the input terminal input of charging module is by first charge circuit to described the One battery pack charges, and is charged by second charge circuit to second battery pack；Wherein, first battery pack and second battery pack are in parallel.
- 8. the method according to the description of claim 7 is characterized in that the method further includes：If first battery pack is fully charged state, by controlling first switch unit to disconnect first charge circuit；If second battery pack is fully charged state, by controlling second switch unit to disconnect second charge circuit.
- 9. the method according to the description of claim 7 is characterized in that the method further includes：If the voltage difference within a preset range, does not compare the voltage of the first battery pack and the voltage of the second battery pack；If the voltage of first battery pack is more than the voltage of second battery pack, by controlling the second switch unit shape Into the second charge circuit being made of the charging module and the second battery pack, the alternating current of the input terminal input of charging module leads to Cross second charge circuit to charge to second battery pack, obtain the voltage after the charging of second battery pack.
- 10. according to the method described in claim 9, it is characterized in that, the method further includes：According to the voltage after the charging of the voltage of first battery pack and second battery pack, the voltage after renewal is determined Difference；Whether within a preset range to judge the voltage difference after the renewal.
- 11. according to the method described in claim 9, it is characterized in that, the method further includes：If the voltage of first battery pack is less than the voltage of second battery pack, by controlling the first switch unit shape Into the first charge circuit being made of the charging module and the first battery pack, the alternating current of the input terminal input of charging module leads to Cross the first charge circuit to charge to first battery pack, obtain the voltage after the charging of first battery pack.
- 12. according to the method for claim 11, it is characterised in that the method further includes：According to the voltage after the charging of first battery pack and the voltage of second battery pack, the voltage after renewal is determined Difference；Whether within a preset range to judge the voltage difference after the renewal.
- A kind of 13. phase between progress battery pack using such as claim 1 to 6 any one of them distributed battery bag electric power system The method mutually to charge, it is characterised in that including：The voltage of the first battery pack and the voltage of the second battery pack are obtained respectively, determine voltage difference；The voltage difference is judged whether in the first preset range, if it is not, then comparing the voltage and the second battery of the first battery pack The voltage of bag, if the voltage of first battery pack is more than the voltage of second battery pack, by controlling first switch unit The first DC charging being made of first battery pack, charging module and the second battery pack is formed with second switch unit Circuit, is charged from first battery pack by the first DC charging circuit to second battery pack.
- 14. according to the method for claim 13, it is characterised in that the method further includes：The voltage after the charging of second battery pack is obtained, according to the voltage after the charging of second battery pack and described The voltage of one battery pack determines the voltage difference after renewal；The voltage difference after the renewal is judged whether in the second preset range, if so, by controlling the first switch unit The first DC charging circuit is disconnected with the second switch unit.
- 15. according to the method for claim 14, it is characterised in that the method further includes：If the voltage of first battery pack be less than second battery pack voltage, by control the first switch unit and The second switch unit forms the be made of second battery pack, the charging module and first battery pack Two DC charging circuits, are charged from second battery pack by the second DC charging circuit to first battery pack.
- 16. according to the method for claim 15, it is characterised in that the method further includes：The voltage after the charging of first battery pack is obtained, according to the voltage after the charging of first battery pack and described The voltage of two battery packs determines the voltage difference after renewal；The voltage difference after the renewal is judged whether in the second preset range, if so, by controlling the first switch unit The second DC charging circuit is disconnected with the second switch unit.
- 17. a kind of carry out battery pack electric discharge control using such as claim 1 to 6 any one of them distributed battery bag electric power system The method of system, it is characterised in that including：Judge whether to use the first battery pack high power discharge, the second battery pack small-power electric discharge, if so, then passing through control first Switch element, forms the first discharge loop being made of first battery pack and load, and by controlling second switch list Member, formed by second battery pack, charging module and it is described load the second discharge loop for forming, first battery pack and Second battery pack gives the load supplying at the same time.
- 18. a kind of carry out battery pack electric discharge control using such as claim 1 to 6 any one of them distributed battery bag electric power system The method of system, it is characterised in that including：Judge whether to use the second battery pack high power discharge, the first battery pack small-power electric discharge, if so, then passing through control second Switch element, forms the first discharge loop being made of the second battery pack and load, while by controlling first switch unit, shape Into the second discharge loop being made of the first battery pack, charging module and the load, first battery pack and described second Battery pack gives the load supplying at the same time.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839583A (en) * | 2018-07-06 | 2018-11-20 | 爱驰汽车有限公司 | The control device and its control method of more battery packs |
| CN108944510A (en) * | 2018-07-06 | 2018-12-07 | 爱驰汽车有限公司 | The charge control method and electronic equipment of more battery packs |
| CN108988453A (en) * | 2018-07-24 | 2018-12-11 | 维沃移动通信有限公司 | A kind of mobile terminal |
| CN110912235A (en) * | 2019-12-13 | 2020-03-24 | 阳光电源股份有限公司 | Energy storage system and current equalizing method thereof |
| CN111555382A (en) * | 2020-04-17 | 2020-08-18 | 北汽福田汽车股份有限公司 | Battery system, control method of battery system and vehicle |
| CN111806234A (en) * | 2020-07-10 | 2020-10-23 | 的卢技术有限公司 | Distributed battery power supply system and power supply method |
| US11322936B2 (en) | 2017-05-03 | 2022-05-03 | Huawei Technologies Co., Ltd. | Distributed battery, battery control method, and electric vehicle |
| US11379030B2 (en) * | 2018-05-01 | 2022-07-05 | Lenovo (Singapore) Pte. Ltd. | Controlling power efficiency of an information processing device |
| WO2023231483A1 (en) * | 2022-05-31 | 2023-12-07 | 比亚迪股份有限公司 | Battery circuit and vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201242218A (en) * | 2011-04-15 | 2012-10-16 | Simplo Technology Co Ltd | Battery balancing circuit and balancing method thereof and battery module activating method |
| DE102012006474A1 (en) * | 2011-10-28 | 2013-05-02 | Hans-Jürgen Esch | Method for loading and unloading individual cells of battery system, involves connecting selector switches of switching matrix with battery cells through transducer unit comprising direct current to direct current converter |
| CN103269898A (en) * | 2010-12-20 | 2013-08-28 | 丰田自动车株式会社 | Electric vehicle and controlling method therefor |
| EP2712045A2 (en) * | 2012-09-24 | 2014-03-26 | Siemens AB | Parallel charging and discharging of multiple lead acid batteries |
| CN103915863A (en) * | 2013-01-04 | 2014-07-09 | 联想(北京)有限公司 | Terminal equipment and power supply method thereof |
| CN104057900A (en) * | 2013-03-20 | 2014-09-24 | 罗伯特·博世有限公司 | Vehicle electrical network, method for operating a vehicle electrical network, and means for the implementation thereof |
| US20140340022A1 (en) * | 2013-05-16 | 2014-11-20 | Postech Academy-Industry Foundation | Balancing control circuit for battery cell module using lc series resonant circuit |
| CN105281400A (en) * | 2014-07-03 | 2016-01-27 | 西门子公司 | Apparatus and method for state of charge compensation for a battery system |
| CN105811493A (en) * | 2014-12-31 | 2016-07-27 | 联想(北京)有限公司 | Power source circuit, power source circuit discharging method, power source circuit charging method and controller |
-
2016
- 2016-10-19 CN CN201610912025.8A patent/CN107968446B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269898A (en) * | 2010-12-20 | 2013-08-28 | 丰田自动车株式会社 | Electric vehicle and controlling method therefor |
| TW201242218A (en) * | 2011-04-15 | 2012-10-16 | Simplo Technology Co Ltd | Battery balancing circuit and balancing method thereof and battery module activating method |
| DE102012006474A1 (en) * | 2011-10-28 | 2013-05-02 | Hans-Jürgen Esch | Method for loading and unloading individual cells of battery system, involves connecting selector switches of switching matrix with battery cells through transducer unit comprising direct current to direct current converter |
| EP2712045A2 (en) * | 2012-09-24 | 2014-03-26 | Siemens AB | Parallel charging and discharging of multiple lead acid batteries |
| CN103915863A (en) * | 2013-01-04 | 2014-07-09 | 联想(北京)有限公司 | Terminal equipment and power supply method thereof |
| CN104057900A (en) * | 2013-03-20 | 2014-09-24 | 罗伯特·博世有限公司 | Vehicle electrical network, method for operating a vehicle electrical network, and means for the implementation thereof |
| US20140340022A1 (en) * | 2013-05-16 | 2014-11-20 | Postech Academy-Industry Foundation | Balancing control circuit for battery cell module using lc series resonant circuit |
| CN105281400A (en) * | 2014-07-03 | 2016-01-27 | 西门子公司 | Apparatus and method for state of charge compensation for a battery system |
| CN105811493A (en) * | 2014-12-31 | 2016-07-27 | 联想(北京)有限公司 | Power source circuit, power source circuit discharging method, power source circuit charging method and controller |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11322936B2 (en) | 2017-05-03 | 2022-05-03 | Huawei Technologies Co., Ltd. | Distributed battery, battery control method, and electric vehicle |
| US11379030B2 (en) * | 2018-05-01 | 2022-07-05 | Lenovo (Singapore) Pte. Ltd. | Controlling power efficiency of an information processing device |
| CN108839583A (en) * | 2018-07-06 | 2018-11-20 | 爱驰汽车有限公司 | The control device and its control method of more battery packs |
| CN108944510A (en) * | 2018-07-06 | 2018-12-07 | 爱驰汽车有限公司 | The charge control method and electronic equipment of more battery packs |
| CN108988453A (en) * | 2018-07-24 | 2018-12-11 | 维沃移动通信有限公司 | A kind of mobile terminal |
| CN108988453B (en) * | 2018-07-24 | 2020-11-03 | 维沃移动通信有限公司 | Mobile terminal |
| CN110912235A (en) * | 2019-12-13 | 2020-03-24 | 阳光电源股份有限公司 | Energy storage system and current equalizing method thereof |
| CN110912235B (en) * | 2019-12-13 | 2021-11-02 | 阳光电源股份有限公司 | Energy storage system and current equalizing method thereof |
| CN111555382A (en) * | 2020-04-17 | 2020-08-18 | 北汽福田汽车股份有限公司 | Battery system, control method of battery system and vehicle |
| CN111806234A (en) * | 2020-07-10 | 2020-10-23 | 的卢技术有限公司 | Distributed battery power supply system and power supply method |
| WO2023231483A1 (en) * | 2022-05-31 | 2023-12-07 | 比亚迪股份有限公司 | Battery circuit and vehicle |
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| CN107968446B (en) | 2022-06-14 |
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