CN206977099U - A kind of active equalization system of battery pack - Google Patents
A kind of active equalization system of battery pack Download PDFInfo
- Publication number
- CN206977099U CN206977099U CN201720701669.2U CN201720701669U CN206977099U CN 206977099 U CN206977099 U CN 206977099U CN 201720701669 U CN201720701669 U CN 201720701669U CN 206977099 U CN206977099 U CN 206977099U
- Authority
- CN
- China
- Prior art keywords
- module
- battery
- balanced
- battery pack
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model discloses a kind of active equalization system of battery pack, including total battery pack, balanced power subsystem, battery balanced module, energy buffer module and equalizing system main frame；Total battery pack is to be formed by more than one battery block concatenation and electrically connected with battery balanced module；Balanced power subsystem one end is electrically connected equalizing system main frame and battery balanced module, and the other end electrically connects with total battery pack；Each battery balanced module electrically connects with energy buffer module；Energy buffer module is an energy buffer device of boosting battery balance module, and it electrically connects each battery balanced module；The information that equalizing system main frame is sent to each battery balanced module by CAN is analyzed and processed and shown, and the control strategy of each battery balanced module is controlled.The utility model structure design is simple, reasonable, reduces cost, improves the stability of system, extends the service life of battery.
Description
Technical field
Battery pack balancing technical field is the utility model is related to, specifically, is related to a kind of active equalization system of battery pack.
Background technology
To solve the problems, such as the energy and discharge, electric automobile (EV) receives more and more attention.Vehicle electric as EV
Source, it usually needs tens groups of even Battery packs up to a hundred are connected while used, and therefore, control and the management of battery pack are to ensure
The key technology that cleaning vehicle is well run.Because manufacturing process can cause each cell performance inconsistent, when many groups
Battery is repeatedly simultaneously in use, can cause different degrees of aging and infringement, therefore the performance of each piece of battery and parameter can not
Can be consistent for a long time, it is this it is inconsistent in turn again can influence being normally carried out for overall charge and discharge process, not only result in and ask
Overcharging and crossing for topic battery is put, and whole battery pack can be made to produce expendable failure when serious.Therefore, the discharge and recharge of battery
Journey needs solve the problems, such as influence of the inconsistent battery to whole battery pack by battery equalization system, to realize balanced charge and discharge
Electric process.The equalizing system of existing various topological structures has in complicated, transfer process that energy loss is serious and energy
The problems such as transfer efficiency is low, so that can not fundamentally be carried by selecting different-energy transmission apparatus and changing circuit structure
Its high performance.Therefore, this problem is started with from equalizing system topological structure, is studied the more effective scheme of battery equalization system, is passed through
Emulation and experiment porch are built, multipath balancing energy topological structure and its control strategy are studied and realized.
With the raising of the level of consumption, automobile has become the ordinary consumption product of people, vapour as a kind of vehicles
The recoverable amount per capita of car is also increasing sharply.By the end of the year in 2014, China's car ownership was up to 1.54 hundred million.It is but traditional
Fuel-engined vehicle not only non-renewable petroleum resources of the heavy dependence on the energy, and the tail gas discharged brings serious ring
Border pollution problem.According to statistics, the 42% of global atmosphere pollution comes from traffic pollution, in China big city, the discharge tribute of automobile
The amount of offering is also in 60-65%.3.1 hundred million tons of China's imported crude oil in 2014, crude oil external dependence degree are 59.6%；China automobile
Oil consumption accounts for the 1/3 of whole petroleum consumption, it is contemplated that to the year two thousand twenty, this ratio will rise to 57%.Conventional fuel oil automobile it is big
Amount consumption exerted heavy pressures on to environment and national energy security, but electric automobile have discharge it is low, the energy is diversified,
Noise is low, efficiency high and it is simple in construction many advantages, such as.
Energy-conservation using electric automobile as representative has become each automobile making big country with new-energy automobile industry and falls over each other to develop
Emphasis.In recent years, the growth of global video automobile market is rapid, and the volume of production and marketing of electric automobile also substantially increases, and data are shown
350,000 electric automobiles are sold in world market in 2014 altogether, increase by 56.78% on a year-on-year basis.Major country of the world today has all formulated electricity
Electrical automobile Study on Long-team Strategy is planned, it is contemplated that following 10 years global video automobile markets may proceed to expand.It is electronic in order to seize
It is electronic that automobile correlation technique commanding elevation and the market share, the U.S., Germany, Japan etc. have put into effect a series of policies and measures allround promotion
The development of automobile industry, and put into the research that substantial contribution is used for its correlation technique.Research of the China to electric automobile starts from
In the 1990s, successively start " 863 " plan, " electric automobile major scientific and technological project ", " energy-conservation and the great item of electric automobile
Mesh " etc., the research that nearly 2,000,000,000 funds are used for electric automobile and its correlation technique is put into.Party eighteen major report proposes construction
The fresh target of " beautiful China ".Therefore, by the energy-conservation and new energy using electric automobile as representative in being planned in " 12 "
Automobile industry is classified as the emerging strategic industries given priority to.Especially emphasize to promote newly in the government work report of 2015
Energy automobile, accomplish fluently energy-saving and emission-reduction and environmental improvement assault of fortified positions.The Executive Meeting of the State Council of in September, 2015 clearly proposes to promote newly
The development of the energy and automobile with small output volumn, the support policy of new-energy automobile is improved, it should be particularly mentioned that " various regions can not be to new-energy automobile
Carry out and restrict driving, limit purchase, what is had been carried out should cancel ".What in October, 2015, State Council printed and distributed《On accelerating charging electric vehicle base
The instruction of Infrastructure construction》In point out charging infrastructure construction to be carried forward vigorously, strive substantially meeting 500 to the year two thousand twenty
The charge requirement of more than ten thousand electric automobiles.By the guiding of these policies, undoubtedly further Electric Cars in China can be promoted to produce
The development of industry.
The key technology of electric automobile is battery, motor and automatically controlled three parts.For a long time, battery technology is that restriction is electronic
One of key factor of the extensive industrialization of automobile.Especially for pure electric automobile, battery is its sole power source, its property
The quality of energy is heavily dependent on battery.Requirement to meet electric automobile course continuation mileage, it is necessary to ensure that automobile moves
Power battery can store higher energy and prolonged continual and steady work.
Battery management system (Battery Management System, BMS) is the essential core of automobile power cell
Heart part, its function are that the state of battery, the relevant battery performance of precise acquisition are monitored under various complicated driving cycles
With the information of secure context, the state-of-charge (State of Charge, SOC) and health status (State of of battery are estimated
Health, SOH), the course continuation mileage of electric automobile is estimated, in addition to balancing energy, battery thermal management, safe early warning and failure carry
Show, and with the communication of entire car controller and liquid crystal display etc..Prison by battery management system to vehicle electrokinetic cell
Keyholed back plate is managed, and drastically increases the service life and operating efficiency of battery, and the operation safe and reliable to electrokinetic cell serves
Key effect.Lithium battery is because it has the advantages that energy density is high, self-discharge rate is low, have extended cycle life, security and stability is preferable
And it is widely used in electric automobile field.Because the voltage and capacity of current battery monomer are also smaller, it is necessary to hundreds and thousands of
Batteries monomer connection in series-parallel, which is combined into battery bag, could meet the power output requirement of electric automobile.And battery cell is in production
Performance difference is there is, the inconsistency of whole battery pack can further expand in use, and " short slab is imitated so as to trigger
Should ".Battery pack charge cutoff voltage determines by that minimum batteries of charge cutoff voltage in group, battery power discharge blanking voltage
Determined by that batteries of discharge cut-off voltage highest in group, therefore the maximum available of battery pack is completely by monomer electricity in group
Pond determines that this not only causes the significant wastage of battery capacity, and the super-charge super-discharge of certain batteries monomer can directly influence
The aging speed and service life of whole battery pack.Therefore have to design battery balanced part, root in battery management system
The battery status information detected when factually, when battery inconsistency meets to start equilibrium condition, with rational balanced control
System strategy and equalizing circuit cause the energy state of each battery cell in battery pack to reach balanced.Therefore cell balancing is carried out
Research can not only improve the inconsistency of battery pack, extend the service life of electric automobile power battery；Also to increase electricity
The course continuation mileage of electrical automobile, the production and application cost of electric automobile is reduced, promoting the development of ev industry has important meaning
Justice.
Utility model content
The purpose of this utility model is to provide a kind of structure design simply, rationally, using stably, reliably, can effectively change
The inconsistency of kind battery pack, extend the service life of electric automobile power battery, increase the course continuation mileage of electric automobile, reduce
The active equalization system of battery pack of electric automobile production and application cost.
To realize above-mentioned technical purpose and the technique effect, its technical scheme is specially：
A kind of active equalization system of battery pack, including total battery pack, balanced power subsystem, battery balanced module, energy delay
Rush device module and equalizing system main frame；Total battery pack is to be formed by more than one battery block concatenation and equal with the battery
The module that weighs electrical connection；
Described balanced power subsystem one end is electrically connected equalizing system main frame and battery balanced module, the other end with it is described
Total battery pack electrical connection, the high-tension electricity of total battery pack is converted into low tension；
The battery balanced module is that the equalizing system carries out balanced main body, and it is by more than one battery balanced mould
Block forms, and each battery balanced module electrically connects with energy buffer module, and each battery balanced module is total by CAN
Line with the equalizing system main frame is two-way electrically connects；
The energy buffer module is the distinctive structure of the utility model, and the unit is equal by described each battery
Weighing apparatus module is electrically connected, and the energy of each battery balanced module is transmitted mutually；
The information that the equalizing system main frame is sent to each battery balanced module by CAN is divided
Analysis processing and display, and the control strategy of each battery balanced module is controlled.
Further, the battery balanced module include controller, inversion balance module, matrix switch, voltage monitoring module,
Temperature monitoring module, power module and CAN interface circuit.
Further, the controller passes through the CAN interface circuit two-way electrical connection equalizing system main frame；
The CAN interface circuit electrically connects particular by CAN with the equalizing system main frame.
Further, the two-way electrical connection in the inversion balance module one end controller, the other end electrically connect the electricity
Source module is simultaneously connected to the balanced power subsystem by the power module；The inversion balance module also with total battery
Group electrical connection.
Further, described matrix switch one end electrically connects the controller, and the other end electrically connects the power module simultaneously
The balanced power subsystem is connected to by the power module；The matrix switch also electrically connects with total battery pack.
Further, the two-way electrical connection in the voltage monitoring module one end controller, the other end electrically connect the electricity
Source module is simultaneously connected to the balanced power subsystem by the power module；The voltage monitoring module also with total battery
Group electrical connection.
Further, described temperature monitoring module one end electrically connects the controller, and the other end electrically connects the power supply mould
Block is simultaneously connected to the balanced power subsystem by the power module；The temperature monitoring module is also electric with total battery pack
Connection.
The utility model has the advantages that：
Battery balanced module described in the utility model realizes the Multipath Transmission of energy, and its electric connection structure is compared current
Various equalizing systems, structure is simpler, and energy transfer efficiency is higher, and battery balanced speed faster, not only saves but also shortens equilibrium
Time；The information that the equalizing system main frame is sent to each battery balanced module by CAN is analyzed
Processing and display, efficiency of transmission is high, has high reliability and good error detection capability, suitable for the interference ring of Automobile Complex
Border, it can be docked with the existing CAN of automobile, save cost, reduce the volume and weight of equalizing system；Using multiple-objection optimization
Balance route strategy is selected, most short energy transmission passage how is connected between the multiple unbalance monomers of solution and each layer balanced device moves
The problem of work is coordinated；Advanced modularized design, the various occasions different to the battery balanced quantity of in the market tool are used on the whole
There is more flexible applicability.
The utility model active equalization system of battery pack structure design is simple, reasonable, using stably, reliably, can effectively change
The inconsistency of kind battery pack, extend the service life of electric automobile power battery, increase the course continuation mileage of electric automobile, reduce
Electric automobile production and application cost, the development to promotion ev industry are significant.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model active equalization system of battery pack；
Fig. 2 is the multipath energy balance circuit topology diagram of the utility model active equalization system of battery pack；
Fig. 3 is the balanced signal between cell and battery block in the group of the utility model active equalization system of battery pack
Figure；
Fig. 4 is the balanced schematic diagram between cell in the battery block of the utility model active equalization system of battery pack；
Fig. 5 be the utility model active equalization system of battery pack battery block between certain battery block and another battery block and its interior
Balanced schematic diagram between portion's monomer；
Monomers of the Fig. 6 between the battery block of the utility model active equalization system of battery pack in certain battery block and another battery
Balanced schematic diagram between block and its internal monomer.
Fig. 7 is the structural representation of the utility model active equalization system of battery pack equilibrium power subsystem；
Fig. 8 is the structural representation of the utility model active equalization system of battery pack equalizing system main frame.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.
As shown in figure 1, the utility model active equalization system of battery pack, suitable for multipath balancing energy and mainly by total
Battery pack, balanced power subsystem, battery balanced module, energy buffer module and equalizing system main frame composition.
Total battery pack is formed by some battery blocks concatenation, and it is electrically connected with battery balanced module.
Balanced power subsystem one end electrical connection equalizing system main frame, the other end electrically connects with total battery pack, for equal
Balance system modules provide power supply, and the high-tension electricity of total battery pack is converted into low tension；The balanced power subsystem is electronic
The application of automobile is very extensive, can be directly with ripe vehicle-mounted DC/DC power supplys.
The battery balanced module is that equalizing system carries out balanced main body and is made up of some battery balanced modules, each
Battery balanced module electrically connects with energy buffer module, and each battery balanced module passes through CAN and equalizing system master
The two-way electrical connection of machine, using CAN, CAN efficiency of transmission is high, has high reliability and good error detection capability,
It is widely used in the industrial environment that Computer Controlled System for Vehicle and environment temperature are severe, electromagnetic radiation is strong and vibration is big.Should
Battery balanced module is by controller, inversion balance module, matrix switch, voltage monitoring module, temperature monitoring module, power module
And CAN interface circuit composition.
The controller uses the high-performance Cotex-M4 processors with floating-point operation, and it is two-way by CAN interface circuit
Equalizing system main frame is electrically connected, to facilitate the high speed of data to receive and dispatch；The CAN interface circuit particular by CAN with it is balanced
System host electrically connects；Meanwhile the controller also electric connection of power supply module and balanced power subsystem is connected to by power module.
The inversion balance module, matrix switch, voltage monitoring module and temperature monitoring module become one.The inversion is equal
Weigh the two-way electrical connection controller in module one end, and other end electric connection of power supply module is simultaneously connected to balanced power supply list by power module
Member, the inversion balance module also electrically connect with total battery pack and energy buffer module simultaneously.
The matrix switch is mainly responsible for connecting cell and inversion balance module, so can be in a battery
An inversion balance module can is used in balance module, because inversion balance module volume is big, cost is high, passes through matrix
Switch can greatly reduce volume, reduce cost, and the matrix switch can use the power MOSFET tube of high current, volume
Small, cost is low.The matrix switch one end electrically connects controller, and other end electric connection of power supply module is simultaneously connected to by power module
Balanced power subsystem, the matrix switch also electrically connect with total battery pack simultaneously.
The two-way electrical connection controller in voltage monitoring module one end, other end electric connection of power supply module simultaneously pass through power module
Balanced power subsystem is connected to, the voltage monitoring module also electrically connects with total battery pack simultaneously.
The temperature monitoring module one end electrically connects controller, and other end electric connection of power supply module is simultaneously connected by power module
To balanced power subsystem, the temperature monitoring module also electrically connects with total battery pack simultaneously.
Each battery balanced module is electrically connected by the energy buffer module, and energy is carried out using energy buffer module
Amount is transmitted.The information that the equalizing system main frame is sent to each battery balanced module by CAN analyzes and processes
With display, and the control strategy of each battery balanced module is controlled.
The workflow of the utility model active equalization system of battery pack is as follows：
First, each battery balanced module will monitor the cell voltage, electrode temperature, battery deblocking temperature of its corresponding battery block
Equalizing system main frame is sent to by CAN interface circuit etc. information；Then, equalizing system main frame is each battery balanced to what is received
The information of module is collected, and obtains the voltage of each cell of total battery pack, the electrode temperature of each battery block, each battery block
The information such as voltage and main loop electric current, with reference to each cell and total battery pack information of itself, by judging post-equalization
System host combination battery charging condition and operating mode send balanced life to formulate control strategy to each battery balanced module
Order, control equilibrium path, euqalizing current and the time for balance of battery balanced module.Finally, when battery balanced module receives
After the equalization instruction that balance system main frame sends over, start equilibrium according to certain control algolithm control equalizing circuit, while after
The information of cell and battery block corresponding to continuous this module of monitoring, has exception to interrupt at any time, and report equalizing system main frame；
Go round and begin again, until total battery pack reaches fully equalize state or reaches equalizing system host setting state.
With reference to the multipath energy balance circuit topological structure of the utility model active equalization system of battery pack, to this
Utility model is described further：
(1), the foundation of battery pack multipath energy balance circuit topology controlment
Multipath energy balance circuit topological structure is as shown in Figure 2.By Multiple coil high frequency transformer come real in the structure
Existing energy between cell and battery block mutually transmits, the energy between cell and energy buffer mutually transmits,
Energy between battery block and energy buffer mutually transmits.Solves the equalization problem in battery block by the structure.Meanwhile
Due to make use of energy buffer, the energy in each balanced unit can be cached, be realized between each monomer, battery
Energy in group between block between group flows mutually.
(2) battery balanced path illustrates that battery balancing energy possible path under different equilibrium states is analyzed as follows：
A, battery block self-energy multipath computable general equilibrium
Balanced in development group to have route short, loss is small, it is corresponding fast the features such as, gone wrong in other outside balance modules
When, it still can ensure the protection of battery in this battery block, be guarantee most basic in equalizing circuit structure.Cell and electricity
Equilibrium between the block of pond：When monomer battery voltage is too high in certain battery block, battery block can be released to；When certain list in battery block
When body cell voltage is too low, the energy of battery block can be released to the cell.Its balanced schematic diagram is as shown in Figure 3.
Equilibrium between cell：It is another in the battery block when certain monomer battery voltage is too high in battery block, and simultaneously
Individual monomer battery voltage is too low, now the monomer energy of overtension can be released into brownout by energy buffer
Battery, realize the equilibrium between monomer.Its balanced schematic diagram is as shown in Figure 4.
B, energy multipath computable general equilibrium between battery block
Equilibrium between battery block can ensure that whole battery pack is operated in the capacity and service life of maximum, whole to battery pack
The uniformity of body is one and directly ensured.Equilibrium between battery block includes four kinds of situations.Certain battery block and another battery block
And its equilibrium between internal monomer：, can be straight by energy when certain monomer battery voltage is too low in the battery block for receiving energy
Connected between battery block and be sent to the battery.When the battery block global voltage for receiving energy is too low, energy can be passed through electricity
The battery block is sent between the block of pond.Its balanced schematic diagram is as shown in Figure 5.
Monomer in certain battery block with it is balanced between another battery block and its internal monomer：Monomer in certain battery block
Cell voltage is too high, and the battery block energy where the battery need not supplement, and the energy of the cell can be passed through into energy
Amount buffer sends the cell of brownout in another battery block to or sends battery block to.Its balanced schematic diagram is as schemed
Shown in 6.
Fig. 7 is the structural representation of the utility model active equalization system of battery pack equilibrium power subsystem；Fig. 8 is this practicality
The structural representation of novel battery group active equalization system equalizing system main frame；Battery balanced module is that equalizing system carries out equilibrium
Main body and be made up of some battery balanced modules, including the Multiple coil high frequency transformer in Fig. 2, HF switch, energy delay
Die block, PWM ripples control etc..
The utility model structure design is simple, reasonable, using stably, reliably, can be effectively improved the inconsistency of battery pack,
Extend the service life of electric automobile power battery, increase the course continuation mileage of electric automobile, reduce electric automobile production and application into
This.
Described above, only the preferable embodiment of the utility model, the scope of protection of the utility model are not limited to
This, any one skilled in the art can become apparent in the technical scope that the utility model discloses
Technical scheme simple change or equivalence replacement each fall within the scope of protection of the utility model.
Claims (7)
1. a kind of active equalization system of battery pack, it is characterised in that including total battery pack, balanced power subsystem, battery balanced mould
Block, energy buffer module and equalizing system main frame；Total battery pack be formed by more than one battery block concatenation and with
The battery balanced module electrical connection；
Described balanced power subsystem one end is electrically connected equalizing system main frame and battery balanced module, the other end and total electricity
Pond group electrical connection, the high-tension electricity of total battery pack is converted into low tension；
The battery balanced module is that the equalizing system carries out balanced main body, and it is by more than one battery balanced module group
Into, each battery balanced module electrically connect with energy buffer module, each the battery balanced module by CAN and
The two-way electrical connection of equalizing system main frame；
The energy buffer module is the distinctive structure of the utility model, and the unit is by described each battery balanced mould
Block is electrically connected, and the energy of each battery balanced module is transmitted mutually；
The information that the equalizing system main frame is sent to each battery balanced module by CAN is carried out at analysis
Reason and display, and the control strategy of each battery balanced module is controlled.
2. a kind of active equalization system of battery pack as claimed in claim 1, it is characterised in that the battery balanced module includes
Controller, inversion balance module, matrix switch, voltage monitoring module, temperature monitoring module, power module and CAN interface circuit.
3. a kind of active equalization system of battery pack as claimed in claim 2, it is characterised in that the controller passes through described
The CAN interface circuit two-way electrical connection equalizing system main frame；
The CAN interface circuit electrically connects particular by CAN with the equalizing system main frame.
A kind of 4. active equalization system of battery pack as claimed in claim 2, it is characterised in that described inversion balance module one end
The two-way electrical connection controller, the other end electrically connect the power module and are connected to the equilibrium by the power module
Power subsystem；The inversion balance module also electrically connects with total battery pack.
5. a kind of active equalization system of battery pack as claimed in claim 2, it is characterised in that described matrix switch one end is electrically connected
The controller is connect, the other end electrically connects the power module and is connected to the balanced power supply list by the power module
Member；The matrix switch also electrically connects with total battery pack.
A kind of 6. active equalization system of battery pack as claimed in claim 2, it is characterised in that described voltage monitoring module one end
The two-way electrical connection controller, the other end electrically connect the power module and are connected to the equilibrium by the power module
Power subsystem；The voltage monitoring module also electrically connects with total battery pack.
A kind of 7. active equalization system of battery pack as claimed in claim 2, it is characterised in that described temperature monitoring module one end
The controller is electrically connected, the other end electrically connects the power module and is connected to the balanced power supply by the power module
Unit；The temperature monitoring module also electrically connects with total battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701669.2U CN206977099U (en) | 2017-06-16 | 2017-06-16 | A kind of active equalization system of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701669.2U CN206977099U (en) | 2017-06-16 | 2017-06-16 | A kind of active equalization system of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206977099U true CN206977099U (en) | 2018-02-06 |
Family
ID=61408226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720701669.2U Active CN206977099U (en) | 2017-06-16 | 2017-06-16 | A kind of active equalization system of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206977099U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302244A (en) * | 2017-06-16 | 2017-10-27 | 湖北汽车工业学院 | A kind of multipath energy transmits active equalization system of battery pack |
| CN108551180A (en) * | 2018-03-23 | 2018-09-18 | 中国电力科学研究院有限公司 | Battery equalization method and balanced device |
| CN108767949A (en) * | 2018-09-06 | 2018-11-06 | 杭州高特电子设备股份有限公司 | A kind of two-way active equalization of usable Switching Power Supply power supply manages system |
-
2017
- 2017-06-16 CN CN201720701669.2U patent/CN206977099U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302244A (en) * | 2017-06-16 | 2017-10-27 | 湖北汽车工业学院 | A kind of multipath energy transmits active equalization system of battery pack |
| CN108551180A (en) * | 2018-03-23 | 2018-09-18 | 中国电力科学研究院有限公司 | Battery equalization method and balanced device |
| CN108767949A (en) * | 2018-09-06 | 2018-11-06 | 杭州高特电子设备股份有限公司 | A kind of two-way active equalization of usable Switching Power Supply power supply manages system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107302244A (en) | A kind of multipath energy transmits active equalization system of battery pack | |
| CN202840594U (en) | Electric vehicle power lithium battery energy balancing system | |
| CN105449740B (en) | A kind of energy-storage lithium battery active equalization control system and control method | |
| CN102355031B (en) | Active equalizing charging method and device for LiFePO4 power battery packs | |
| CN206977099U (en) | A kind of active equalization system of battery pack | |
| CN106080223A (en) | Lithium battery and super capacitor dual-energy power distribution control system and method | |
| CN102709981A (en) | Energy-lossless equalizing charging device for series lithium ion battery pack | |
| CN106423919B (en) | Retired lithium battery method for separating and its system | |
| CN106300545A (en) | A kind of active equalization for liquid metal cell controls device and control method | |
| CN101741123B (en) | Efficient power intelligent management system for vehicle | |
| CN201472277U (en) | Electric vehicle energy storage device management system | |
| CN102019889B (en) | Electric vehicle and control system thereof | |
| CN204674395U (en) | Based on the dual energy source electric car energy management system of predictive control | |
| CN106740211A (en) | The balancing energy system and method for electrokinetic cell | |
| CN207459749U (en) | A kind of balance of power lithium ion battery system based on SOC balance detection | |
| CN204290373U (en) | A kind of battery of electric vehicle control system | |
| CN202353275U (en) | Power battery equalization circuit combining charging and discharging | |
| CN102130484A (en) | Intelligent charging module of power batteries of the electric vehicle | |
| CN203496694U (en) | Battery energy management system of electric automobile | |
| CN206202005U (en) | A kind of dynamical system for pure electric vehicle | |
| CN102403763B (en) | Quick double-pistol charging system and method for electric motor coach | |
| CN103368229A (en) | Ground electric vehicle battery diagnosis device and diagnostic method thereof | |
| CN106450546A (en) | Method for releasing residual electric energy of waste automobile power battery | |
| CN102723764B (en) | High-energy pulse quick charging system based on embedded microcomputer control | |
| CN205195345U (en) | Unmanned aerial vehicle battery management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |