CN205790264U - A kind of intelligent battery group with battery cell equilibrium and heat management function - Google Patents
A kind of intelligent battery group with battery cell equilibrium and heat management function Download PDFInfo
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- CN205790264U CN205790264U CN201620609292.3U CN201620609292U CN205790264U CN 205790264 U CN205790264 U CN 205790264U CN 201620609292 U CN201620609292 U CN 201620609292U CN 205790264 U CN205790264 U CN 205790264U
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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
-
- 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
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
This utility model relates to a kind of intelligent battery group with battery cell equilibrium and heat management function, it is characterized in that, described intelligent battery group includes at least two intelligent battery box, an energy pond and a master controller, and described intelligent battery tank module is arranged between energy pond and master controller.This utility model patent is capable of non-dissipative equalizing and the heat management function of set of cells, significantly improves balancing speed and effectively reduces cost, and battery case has modularity feature, can be by the set of cells of battery case series and parallel composition free voltage with capacitance grade.
Description
Technical field
This utility model relates to a kind of set of cells, especially relates to one and has battery cell equilibrium and heat management merit simultaneously
The intelligent battery group of energy, belongs to battery balanced and management technique field.
Background technology
Along with the development of electric automobile, generation of electricity by new energy, microgrid and energy-accumulating power station, various new pattern environment protection batteries obtain
Extensively application, including ferric phosphate lithium cell, super capacitor, colloid battery etc..During battery cell series connection, due to the difference of individual character
Different, set of cells efficiency will be determined by the worst monomer of characteristic, and battery cell occurs overcharging when putting fault with mistake and easily causes
Accident.In order to ensure the safe and highly efficient operation of new pattern environment protection battery, it is necessary to for the effective battery management system of cell stack designs.
Battery management system in existing market uses energy-dissipating balancing technique mostly, has an advantage in that control letter
Single, low cost, but directly consume on resistance due to energy, and system effectiveness is relatively low.In recent years, active equalization technology is sent out rapidly
Exhibition, it is advantageous that system effectiveness is high, but it controls the shortcoming complicated, cost is high and urgently overcomes.In addition to balancing technique,
The thermal management technology of set of cells is also the key of cell safety, efficient application, it is possible to be effectively improved the cycle life of battery.Battery
Too high or too low for temperature all can reduce its delivery efficiency, even battery be caused damage.
Current battery group, battery management system and heat management system are often individually designed, and battery management system needs
Different connection modes is taked for different cell stack designs modes.Battery cell voltage and temperature collect module are positioned at battery
Management internal system, when amount of monomer is more, wiring is complicated, and longer connecting line affects accuracy of data acquisition, and easily
There is disconnection fault.And heat management system needs to be designed according to different set of cells connected modes, design process is complicated, and
And heat management system needs extra power supply unit, system cost is higher.For the problems referred to above, those skilled in the art also exists
Constantly attempting, but never properly settled, therefore a kind of new above-mentioned technology of scheme solution of exigence is asked
Topic.
Utility model content
This utility model just for prior art design present in problem, it is provided that one has battery cell simultaneously
Equilibrium and the intelligent battery group of heat management function, this technical scheme can be low to energy from the monomer transfer that energy is high by energy
Monomer, thus ensure the non-dissipative equalizing of battery cell voltage, monomer energy higher for energy can be used for heat management system simultaneously
The power supply of system, provides a good environment to battery operation, ensures that cell safety runs, improves battery operation efficiency.
To achieve these goals, the technical solution adopted in the utility model is as follows, have simultaneously battery cell equilibrium with
The intelligent battery group of heat management function, it is characterised in that described intelligent battery group includes at least two intelligent battery box, an energy
Amount pond and a master controller, described intelligent battery tank module is arranged between energy pond and master controller.Master controller is with each
Being connected from controller of individual battery case, mainly it is made up of the part such as single-chip minimum system, CAN communication interface.Major function
It is: receive the battery cell information data sent and come from controller through CAN, single-chip minimum system carries out battery lotus
Electricity condition (SOC) calculates, and judges system running state according to result of calculation, through CAN transmission control command to charger,
Controlling charger operation pattern, the equalization function of set of cells is united two into one by this technical scheme with heat management function, heat management system
System directly from the monomer power taking that energy is high, adds euqalizing current and balancing speed, and heat management system is without extra power supply electricity
Source and controller, reduce volume and the holistic cost of system, the beneficially popularization of non-dissipative equalizing technology.
As a kind of improvement of the present utility model, described intelligent battery box comprises series-connected cell unit, battery cell voltage
With temperature acquisition board, Jun Heng switching switch arrays, two-way isolated DC/DC converter, chiller, heater, energy
Amount pond interface, mode selection switch, battery case connect from controller, insulation crust, anode interface, negative pole interface, controller communication
Mouthful and SPI communication interface, described series-connected cell unit, battery cell voltage and temperature acquisition board, Jun Heng switch switch arrays,
Two-way isolated DC/DC converter, chiller, heater, energy pond interface, mode selection switch, battery case from
Controller is arranged in insulation crust, and described anode interface is connected with series-connected cell unit positive pole, described negative pole interface and string
Connection battery unit negative pole connects, and described controller communication interface is connected from controller with battery case, and described anode interface, negative pole connect
Mouth and controller communication interface are drawn in insulation crust, and the chiller described in this technical scheme after being powered up can
Enough reducing the temperature in battery case, heater can improve the temperature in battery case after being powered up, and energy pond interface is used
In connecting energy pond.Battery case transmits the temperature data come and monomer voltage number from controller according to battery cell data acquisition board
Switch and equilibrium switching switch arrays is selected according to control model respectively.Connect by single-chip minimum system, CAN communication from controller
The part composition such as mouth, SPI communication interface.Single-chip minimum system receives monomer data acquisition board transmission by SPI communication
Data, after processing, transfer data to master controller through CAN.From controller according to the monomer information gathered
Carry out over-charging of battery protection, Cross prevention and overheat protector.
As a kind of improvement of the present utility model, the series-connected cell unit in each intelligent battery box is by m batteries monomer
Be in series, wherein m=2, bigger voltage so can be provided.
As a kind of improvement of the present utility model, described battery cell voltage and temperature acquisition board are arranged on series-connected cell list
In unit, described battery cell voltage and temperature acquisition board are gathered amplifier, temperature sensor and A/D chip group by monomer voltage
Becoming, temperature sensor is directly installed on each monomer surface, and temperature sensor is near with the spacing of A/D chip, it is not necessary to longer connection
Line, it is possible to effectively reduce system wiring difficulty, reduce disconnection fault occurrence probability and accuracy of data acquisition can be increased.
As a kind of improvement of the present utility model, described master controller includes communication interface and data storage, is used for controlling
Electric voltage equalization and data storage function between battery case processed.
As a kind of improvement of the present utility model, described equilibrium switching switch arrays and battery cell voltage and temperature acquisition
Plate is connected, according to from the instruction of controller can with is connected or cuts out the battery cell specified, described two-way isolated DC/directly
The input of current converter accesses one or more battery cells by equilibrium switching switch arrays, and energy can two-way flow;
Described energy pond interface is connected with energy pond, and described mode selection switch optionally accesses chiller, heater and energy
Amount pond in one or more.
As a kind of improvement of the present utility model, described battery case transmits according to battery cell data acquisition board from controller
The temperature data come and monomer voltage data control model respectively selects switch and equilibrium switching switch arrays, when temperature is higher than setting
During fixed temperature upper limit, mode selection switch connects chiller, and equilibrium switching switch arrays connect higher several of voltage
Monomer is powered to chiller after two-way isolated DC/DC converter boosting;When temperature limits less than at a temperature of setting
Time, mode selection switch connects heater, equilibrium switching switch arrays connect higher several monomers of voltage through two-way every
Power to electro-heat equipment after formula DC to DC converter boosts;When temperature is in the range of setting, and mode selection switch connects
Logical energy pond, transfers to, by energy pond, the monomer that voltage is low by monomer energy high for voltage, and temperature upper limit and lowest temperature can
Optimum working temperature range set according to selected battery cell.
A kind of improving as of the present utility model, described chiller is air cooling equipment or water cooling plant or other coolings
Device, it is possible to cool down battery when battery temperature is higher, makes battery operation at optimum state.Described heater is heat
Resistance or thermoelectricity occasionally other electro-heat equipments, it is possible to when battery temperature is relatively low, battery is heated, make battery operation exist
Optimum state.Described energy pond is used for storing and shifting energy, is set to super capacitor, battery or other form energy ponds.Energy
Terminal is transmitted as energy in amount pond, it is possible to monomer energy higher for energy is transferred to the monomer that energy is relatively low.
Relative to prior art, advantage of the present utility model is as follows: 1) overall construction design is novel, simple, reliable;2) should
Technical scheme provides a kind of intelligent battery group with battery cell equilibrium and heat management function, it is possible to by energy from energy
High monomer transfer is to the low monomer of energy, thus ensures the non-dissipative equalizing of battery cell voltage, simultaneously can be higher by energy
Monomer energy for the power supply of heat management system, provide a good environment to battery operation, ensure cell safety run,
Improve battery operation efficiency.Equalization function is united two into one with heat management function and is advantageous in that: heat management system is directly from energy
Measure high monomer power taking, add euqalizing current and balancing speed, heat management system without extra power supply and controller,
Reduce volume and the holistic cost of system, the beneficially popularization of non-dissipative equalizing technology;3) this technical scheme cost is relatively low, it is simple to
Large-scale popularization and application.
Accompanying drawing explanation
Fig. 1 is this utility model intelligent battery group overall structure schematic diagram;
Fig. 2 is intelligent battery box structure chart of the present utility model;
Fig. 3 is equilibrium switching switch of the present utility model and battery cell connected mode figure;
Fig. 4 is mode selection switch of the present utility model and two-way isolated DC/DC converter outfan connected mode
Figure;
In figure: 0, master controller, 1-n, battery case 1-n, 1-1, anode interface, 1-2, negative pole interface, 1-3, controller are logical
Letter interface, 1-4, series-connected cell unit, 1-5, battery cell voltage and temperature acquisition board, 1-6, equilibrium switching switch arrays, 1-
7, two-way isolated DC/DC converter, 1-8, mode selection switch, 1-9, chiller, 1-10, energy pond interface, 1-
11, heater, 1-12 1-14, SPI communication interface, 1-15, battery case are from controller, 1-16, insulation crust.
Detailed description of the invention
In order to deepen understanding and cognition of the present utility model, below in conjunction with the accompanying drawings this utility model is further described
And introduction.
Embodiment 1:
See Fig. 1, Fig. 2, a kind of intelligent battery group with battery cell equilibrium and heat management function, described intelligence
Set of cells includes at least two intelligent battery box, an energy pond and a master controller, and described intelligent battery tank module is arranged
Between energy pond and master controller.Master controller is connected from controller with each battery case, mainly has single-chip microcomputer minimum
The part composition such as system, CAN communication interface.Major function is: receive the battery list sent and come from controller through CAN
Body information data, single-chip minimum system carries out battery charge state (SOC) and calculates, and judges that system is run according to result of calculation
State, through CAN transmission control command to charger, controls charger operation pattern, equal by set of cells of this technical scheme
Weighing apparatus function unite two into one with heat management function, heat management system directly from the monomer power taking that energy is high, add euqalizing current and
Balancing speed, heat management system, without extra power supply and controller, reduces volume and the holistic cost of system, favorably
Popularization in non-dissipative equalizing technology;Described master controller includes communication interface and data storage, is used for controlling between battery case
Electric voltage equalization and data storage function;Wherein master controller 0 arranges intelligent battery box according to the type of used battery with parameter
Module operating temperature upper limit tu and lower limit td.With reference to Fig. 2, the intelligent battery box that this utility model provides all comprises anode interface 1-
1, negative pole interface 1-2, controller communication interface 1-3, by the monomer series-connected series-connected cell unit 1-4 of m (m >=2) batteries,
Battery cell voltage and temperature acquisition board 1-5, Jun Heng switching switch arrays 1-6, two-way isolated DC/DC converter 1-7,
Mode selection switch 1-8, chiller 1-9, energy pond interface 1-10, heater 1-11, SPI communication interface 1-12,1-13
Forming from controller 1-15, insulation crust 1-16 with 1-14, battery case, battery cell data acquisition board 1-5 is arranged on battery case
Internal, it is not necessary to longer connection winding displacement, and sampling precision can be improved.With reference to Fig. 3, the equilibrium switching switch that this utility model provides
1-6 has access to or cuts out any battery cell, such as switch 1-6-1 conducting, and 1-6-2,1-6-3 ..., 1-6-m are turned off,
Then accessing battery cell 1-4-1 and cut out battery cell 1-4-2,1-4-3 ..., 1-4-m, now battery cell 1-4-1 connects
To the input of two-way isolated DC/DC converter 1-7, described series-connected cell unit 1-4, battery cell voltage and temperature
Collection plate 1-5, equilibrium switch switch arrays 1-6, two-way isolated DC/DC converter 1-7, chiller 1-9, add hot charging
Put 1-11, energy pond interface 1-10, mode selection switch 1-8, battery case are arranged at insulation crust 1-16 from controller 1-15
In, described anode interface is connected with series-connected cell unit positive pole, and described negative pole interface is connected with series-connected cell unit negative pole, described
Controller communication interface is connected from controller with battery case, described anode interface 1-1, negative pole interface 1-2 and controller communication
Interface 1-3 draws in insulation crust, and the chiller described in this technical scheme can reduce battery case after being powered up
Interior temperature, heater can improve the temperature in battery case after being powered up, and energy pond interface is used for connecting energy pond.
Temperature data and monomer voltage data that battery case comes according to the transmission of battery cell data acquisition board from controller control mould respectively
Formula selects switch and equilibrium switching switch arrays.From controller by single-chip minimum system, CAN communication interface, SPI communication interface
Deng part composition.The data that single-chip minimum system receives monomer data acquisition board transmission by SPI communication and comes, process
Afterwards, master controller is transferred data to through CAN.Over-charging of battery guarantor is carried out according to the monomer information gathered from controller
Protect, Cross prevention and overheat protector, the series-connected cell unit in each intelligent battery box is formed by m batteries is monomer series-connected,
Wherein m >=2.
Described battery cell voltage and temperature acquisition board are arranged on series-connected cell unit, described battery cell voltage with
Temperature acquisition board is gathered amplifier, temperature sensor and A/D chip by monomer voltage and forms, and temperature sensor is directly installed on respectively
Monomer surface, temperature sensor is near with the spacing of A/D chip, it is not necessary to longer connecting line, it is possible to effectively reduce system wiring difficult
Degree, reduction disconnection fault occurrence probability also can increase accuracy of data acquisition.
Embodiment 2:
See Fig. 1, Fig. 2, as a kind of improvement of the present utility model, described equilibrium switching switch arrays and battery cell
Voltage is connected with temperature acquisition board, according to from the instruction of controller can be connected or cut out the battery cell specified, described double
One or more battery cells, energy is accessed by equilibrium switching switch arrays to the input of isolated DC/DC converter
Amount can two-way flow;Described energy pond interface is connected with energy pond, and described mode selection switch optionally accesses cooling dress
Put, one or more in heater and energy pond.Such as mode selection switch can instruct double according to from controller
One in chiller, heater or energy pond interface is received to the outfan of isolated DC/DC converter, or
Person is simultaneously connected to balancer and heater (or chiller).Remaining structure is identical with embodiment 1 with advantage.
Embodiment 3:
Seeing Fig. 1, Fig. 2, as a kind of improvement of the present utility model, described chiller is air cooling equipment or water-cooled
Device or other chillers, it is possible to cool down battery when battery temperature is higher, make battery operation at optimum state.Institute
Stating heater is thermal resistance or thermoelectricity occasionally other electro-heat equipments, it is possible to add battery when battery temperature is relatively low
Heat, makes battery operation at optimum state.Described energy pond is used for storing and shifting energy, be set to super capacitor, battery or its
His form energy pond.Terminal is transmitted as energy in energy pond, it is possible to monomer energy higher for energy is transferred to energy relatively low
Monomer, described battery case from controller according to battery cell data acquisition board transmission come temperature data and monomer voltage data
Control model selects switch and equilibrium switching switch arrays respectively, and when temperature is higher than the temperature upper limit set, model selection is opened
Closing and connect chiller, equilibrium switching switch arrays connect several higher monomers of voltage through two-way isolated DC/direct current
Power to chiller after converter boost;When temperature is prescribed a time limit less than at a temperature of setting, mode selection switch is connected and is added hot charging
Putting, equilibrium switching switch arrays connect several higher monomers of voltage after two-way isolated DC/DC converter boosting
Power to electro-heat equipment;When temperature is in the range of setting, mode selection switch connects energy pond, by monomer energy high for voltage
Measuring and transfer to, by energy pond, the monomer that voltage is low, wherein temperature upper limit and lowest temperature can according to selected battery cell
Good operating temperature range sets.Remaining structure is identical with embodiment 1 with advantage.
Operation principle: seeing Fig. 1-Fig. 4, during set of cells charging, this technical scheme is capable of battery cell charge balancing,
And ensure that charging temperature is within the specified range.Battery cell data acquisition board in intelligent battery box 1-n is according to sampling period ts
Gather series-connected cell element cell monomer voltage and temperature in each battery case, by the data collected its be transferred to battery case from
Controller 1-15, battery cell voltage in affiliated battery case is sorted from high to low by battery case from controller, note battery cell electricity
Press the monomer that the highest monomer is numbered Ux-1, battery cell voltage is minimum to be numbered Ux-2, battery cell maximum temperature is Tx-
1, battery cell minimum temperature is Tx-2, wherein x be intelligent battery box label (x=1,2 ..., n).Battery case leads to from controller
Cross controller communication joint 1-3 and battery cell data are sent to master controller 0, and receive intelligent battery box from master controller 0
Temperature upper limit Tu and lower limit Td, simultaneously master controller calculate maximum from the voltage data that controller transmission comes with
Little value, and corresponding battery cell is numbered U1 and U2, affiliated battery case label is designated as y and z respectively.With intelligent battery box
As a example by 1, if T1-2 is less than Td, then sends order from controller and make equilibrium switching switch access be numbered the battery list of U1
Body, cuts out other all battery cells so that the battery cell being numbered U1 receives two-way isolated DC/DC converter 1-
The input of 7.Mode selection switch 1-8-1 close, mode selection switch 1-8-2 Yu 1-8-3 disconnection so that two-way isolated directly
The outfan of stream/DC converter 1-7 accesses chiller.It is numbered the battery cell of U1 by two-way isolated DC/straight
Power to chiller after current converter 1-7 boosting so that the battery cell voltage being numbered U1 reduces, and dissipates to battery case
Heat.As a example by intelligent battery tank module 1, if T1-1 is more than Tu, then sends order from controller and equilibrium switching switch is connect
Enter to be numbered the battery cell of U1, cut out other all battery cells so that the battery cell being numbered U1 receives two-way isolation
The input of formula DC to DC converter 1-7.Mode selection switch 1-8-3 closes, and mode selection switch 1-8-1 Yu 1-8-2 breaks
Open so that the outfan of two-way isolated DC/DC converter 1-7 accesses electro-heat equipment.The battery cell being numbered U1 leads to
Power to electro-heat equipment after crossing two-way isolated DC/DC converter 1-7 boosting so that be numbered the battery cell voltage of U1
Reduce, and heat to battery case.The heat management work process of other intelligent battery tank modules is identical with intelligent battery box 1.Battery
Case sends order from controller and makes equilibrium switching switch access be numbered the battery cell of U1, cuts out other all battery lists
Body so that the battery cell being numbered U1 receives the input of two-way isolated DC/DC converter y-7.Model selection is opened
Closing y-8-2 Guan Bi, mode selection switch y-8-1 Yu y-8-3 disconnects so that two-way isolated DC/DC converter y-7's is defeated
Go out and terminate into energy pond.The battery cell being numbered U1 passes through energy after two-way isolated DC/DC converter 1-7 boosts
Transfer to energy pond.After the ts/2 time, send order from controller and make equilibrium switching switch access be numbered the electricity of U2
Pond monomer, cuts out other all battery cells so that the battery cell being numbered U2 receives two-way isolated DC/DC converting
The input of device z-7.Mode selection switch z-8-2 closes, and mode selection switch z-8-1 Yu z-8-3 disconnects so that in energy pond
Energy transfer to be numbered in the monomer of U2 through two-way isolated DC/DC converter.After sampling period ts terminates, weight
Multiple above-mentioned steps, until set of cells charging complete.All battery cell data are sent to master controller and carry out showing and storing.
During battery power discharge, this technical scheme is capable of battery cell equalization discharge, and ensures that discharge temp is being specified
In the range of.Battery cell data acquisition board in intelligent battery box 1-n is connected in gathering each battery case according to sampling period ts
Battery unit battery cell voltage and temperature, by the data collected, it is transferred to battery case from controller 1-15, battery case from
Battery cell voltage in affiliated battery case is sorted by controller from high to low, and the monomer that note battery cell voltage is the highest is numbered
Ux-1, the monomer that battery cell voltage is minimum are numbered Ux-2, battery cell maximum temperature is Tx-1, battery cell minimum temperature
For Tx-2, wherein x be intelligent battery box label (x=1,2 ..., n).As a example by intelligent battery tank module 1, if T1-2 is less than
Td, then send order from controller and make equilibrium switching switch access be numbered the battery cell of U1, cut out other all batteries
Monomer so that the battery cell being numbered U1 receives the input of two-way isolated DC/DC converter 1-7.Model selection
Switch 1-8-1 Guan Bi, mode selection switch 1-8-2 Yu 1-8-3 disconnects so that two-way isolated DC/DC converter 1-7's
Outfan accesses chiller.Be numbered after the battery cell of U1 is boosted by two-way isolated DC/DC converter 1-7 to
Chiller is powered so that the battery cell voltage being numbered U1 reduces, and dispels the heat to battery case.With intelligent battery tank module 1
As a example by, if T1-1 is more than Tu, then sends order from controller and make equilibrium switching switch access be numbered the battery cell of U1,
Cut out other all battery cells so that the battery cell being numbered U1 receives two-way isolated DC/DC converter 1-7's
Input.Mode selection switch 1-8-3 closes, and mode selection switch 1-8-1 Yu 1-8-2 disconnects so that and two-way isolated DC/
The outfan of DC converter 1-7 accesses electro-heat equipment.The battery cell being numbered U1 is become by two-way isolated DC/direct current
Power to electro-heat equipment after parallel operation 1-7 boosting so that the battery cell voltage being numbered U1 reduces, and heats to battery case.Its
His the heat management work process of intelligent battery tank module is identical with intelligent battery box 1.Battery case sends order from controller and makes
Equilibrium switching switch accesses the battery cell being numbered U1, cuts out other all battery cells so that be numbered the battery list of U1
Body receives the input of two-way isolated DC/DC converter y-7.Mode selection switch y-8-2 closes, mode selection switch
Y-8-1 Yu y-8-3 disconnects so that the outfan of two-way isolated DC/DC converter y-7 accesses energy pond.It is numbered U1
Battery cell boosted by two-way isolated DC/DC converter 1-7 after transfer energy into energy pond.Through ts/2
After between, send order from controller and make equilibrium switching switch access be numbered the battery cell of U2, cut out other all batteries
Monomer so that the battery cell being numbered U2 receives the input of two-way isolated DC/DC converter z-7.Model selection
Switch z-8-2 Guan Bi, mode selection switch z-8-1 Yu z-8-3 disconnection so that the energy in energy pond through two-way isolated directly
Stream/DC converter is transferred to be numbered in the monomer of U2.After sampling period ts terminates, repeat the above steps, until set of cells
Electric discharge terminates.All battery cell data are sent to master controller and carry out showing and storing.
In sum, this utility model provides a kind of Intelligent electric with battery cell equilibrium and heat management function
Pond group, provides a good environment to battery operation while ensureing battery cell electric voltage equalization, ensures cell safety fortune
Go, improve battery operation efficiency, realize lossless equilibrium, reduction system holistic cost.
It is new that at least one in technical characteristic described in embodiment 2,3 and embodiment 1 are still combined formation by this utility model
Embodiment.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, above-mentioned technical side
Equivalents done on the basis of case or replacement each fall within this utility model scope of the claimed protection.
Claims (8)
1. an intelligent battery group with battery cell equilibrium and heat management function, it is characterised in that described Intelligent electric
Pond group includes at least two intelligent battery box, an energy pond and a master controller, and described intelligent battery tank module is arranged on
Between energy pond and master controller.
The intelligent battery group with battery cell equilibrium and heat management function the most according to claim 1, its feature
Being, described intelligent battery box comprises series-connected cell unit, battery cell voltage and temperature acquisition board, Jun Heng switching switch arrays
Row, two-way isolated DC/DC converter, chiller, heater, energy pond interface, mode selection switch, battery case
From controller, insulation crust, anode interface, negative pole interface, controller communication interface and SPI communication interface, described series electrical
Pool unit, battery cell voltage and temperature acquisition board, Jun Heng switching switch arrays, two-way isolated DC/DC converter, cold
Radiator cooler, heater, energy pond interface, mode selection switch, battery case are arranged in insulation crust from controller, described
Battery cell voltage and temperature acquisition board are fixed on series-connected cell unit, and described anode interface is with series-connected cell unit positive pole even
Connecing, described negative pole interface is connected with series-connected cell unit negative pole, and described controller communication interface is connected from controller with battery case,
Described anode interface, negative pole interface and controller communication interface are drawn in insulation crust.
The intelligent battery group with battery cell equilibrium and heat management function the most according to claim 2, its feature
Being, the series-connected cell unit in each intelligent battery box is formed by m batteries is monomer series-connected, wherein m >=2.
The intelligent battery group with battery cell equilibrium and heat management function the most according to claim 3, its feature
Being, described battery cell voltage and temperature acquisition board are arranged on series-connected cell unit, described battery cell voltage and temperature
Degree collection plate is gathered amplifier, temperature sensor and A/D chip by monomer voltage and forms.
5. having battery cell equilibrium and the intelligent battery group of heat management function while described in claim 3 or 4, it is special
Levying and be, described master controller includes communication interface and data storage, is used for controlling electric voltage equalization and data between battery case
Storage function.
The intelligent battery group with battery cell equilibrium and heat management function the most according to claim 5, its feature
Being, described equilibrium switching switch arrays are connected with temperature acquisition board with battery cell voltage, it is possible to access or cut out any electricity
Pond monomer, the input of described two-way isolated DC/DC converter accesses one or many by equilibrium switching switch arrays
Individual battery cell, energy can two-way flow;Described energy pond interface is connected with energy pond, described mode selection switch selectivity
Access in chiller, heater and energy pond one or more.
The intelligent battery group with battery cell equilibrium and heat management function the most according to claim 6, its feature
It is,
Temperature data and monomer voltage data that described battery case comes according to the transmission of battery cell data acquisition board from controller are divided
Other control model selects switch and equilibrium switching switch arrays, when temperature is higher than the temperature upper limit set, mode selection switch
Connecting chiller, equilibrium switching switch arrays are connected several higher monomers of voltage and are become through two-way isolated DC/direct current
Power to chiller after parallel operation boosting;When temperature is prescribed a time limit less than at a temperature of setting, and mode selection switch connects heater,
Equilibrium switching switch arrays connect several higher monomers of voltage after two-way isolated DC/DC converter boosting to sending out
Thermal is powered;When temperature is in the range of setting, mode selection switch connects energy pond, is led to by monomer energy high for voltage
Cross energy pond and transfer to the monomer that voltage is low.
8. having battery cell equilibrium and the intelligent battery group of heat management function while described in claim 3 or 4, it is special
Levying and be, described chiller is air cooling equipment or water cooling plant;Described heater is thermal resistance or thermocouple;Described
Energy pond is used for storing and shifting energy, is set to super capacitor or battery.
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Cited By (4)
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CN105938924A (en) * | 2016-02-18 | 2016-09-14 | 徐州中矿大传动与自动化有限公司 | Intelligent battery pack with battery cell balance and heat management functions simultaneously |
CN106654313A (en) * | 2016-12-29 | 2017-05-10 | 南京晨光集团有限责任公司 | Parallel heating device applied to heating of automatically activated silver zinc reserve battery pack |
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CN106785192A (en) * | 2016-11-30 | 2017-05-31 | 浙江吉利控股集团有限公司 | A kind of heat management system |
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KR101420340B1 (en) * | 2012-03-23 | 2014-07-16 | 삼성에스디아이 주식회사 | Vehicle operating system and method for controlling the same |
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-
2016
- 2016-06-21 CN CN201620609292.3U patent/CN205790264U/en not_active Withdrawn - After Issue
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CN105938924B (en) * | 2016-02-18 | 2018-12-28 | 徐州中矿大传动与自动化有限公司 | Intelligent battery group a kind of while that there is battery cell equilibrium Yu heat management function |
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CN105938924B (en) | 2018-12-28 |
CN105938924A (en) | 2016-09-14 |
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