CN105790382A - Energy storage and energy conversion separated power battery system - Google Patents
Energy storage and energy conversion separated power battery system Download PDFInfo
- Publication number
- CN105790382A CN105790382A CN201610288176.0A CN201610288176A CN105790382A CN 105790382 A CN105790382 A CN 105790382A CN 201610288176 A CN201610288176 A CN 201610288176A CN 105790382 A CN105790382 A CN 105790382A
- Authority
- CN
- China
- Prior art keywords
- energy
- energy conversion
- conversion module
- storage module
- sub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Abstract
The invention relates to the technical field of energy storage, particularly relates to the field of new energy automobile power batteries, and relates to an energy storage and energy conversion separated power battery system which comprises an energy storage module, an energy conversion module and a battery management system. The energy storage module is divided into multiple parallel connected child energy storage modules. The child energy storage modules are formed by storage batteries through parallel connection. The energy conversion module comprises at least two parallel connected child energy conversion modules. The child energy conversion modules are formed by multiple super-capacitors through series connection. Each super-capacitor is connected with the energy storage module in a parallel manner for low-voltage charging; and high voltage is generated through series connection for power supply to the outside after completion of charging. Charging and power supply are performed by the child energy conversion modules in turn. According to the technical scheme, complexity of the power battery system is substantially reduced, the advantages of the storage batteries and the super-capacitors are combined, the power battery system is an ideal power battery system, and the power battery system has advantages of being safe, high in energy density, high in power density, low in cost, accurate in electric quantity estimation and wide in range of operating temperature and can effectively recover braking energy.
Description
Technical field
The present invention relates to technical field of energy storage, particularly relate to new-energy automobile power battery field.
Background technology
Under the trend that whole world new forms of energy revolution is fast-developing, the industries such as photovoltaic, wind-powered electricity generation, electric automobile are all competitively being developed in countries in the world, and one of its core technology is battery energy storage system.New-energy automobile power battery system is very challenging system in battery energy storage system, desirable electrokinetic cell system has safety, energy density is high, power density high, charging rate is fast, the long-life, low cost, electricity estimation accurately, can the feature such as efficient recovery braking energy and operating temperature range width.Current lithium battery and super capacitor each have the above-mentioned advantage of part, are likely to become desirable electrokinetic cell system in combination with getting up.
The motor of new-energy automobile is it is generally required to the high voltage of more than 300V, and therefore serial battery is got up to realize boosting by electrokinetic cell system.Comparing the dynamical system of fuel vehicle, electrokinetic cell system simultaneously works as the effect of similar fuel tank and electromotor, i.e. energy storage simultaneously and boosting, and boosting is a part for energy conversion.Energy storage being changed together with two system integrations with energy, its complexity necessarily increases many, and motivation of adjustment battery system architectural framework is a kind of inexorable trend.
Summary of the invention
For obtaining a kind of desirably electrokinetic cell system, the present invention proposes a kind of storage and changes the electrokinetic cell system of separation, the advantage combining accumulator and super capacitor, and reduces electrokinetic cell system complexity.
The technical solution adopted for the present invention to solve the technical problems is:
The electrokinetic cell system of separation is changed in a kind of storage, including energy-storage module, energy conversion module and battery management system.Energy-storage module composition low-voltage circuit, energy conversion module completes the high-low pressure bi-directional conversion between energy-storage module and external high pressure circuit.
Energy-storage module is mainly made up of accumulator, is divided into the sub-energy-storage module of several parallel connections as required, and sub-energy-storage module is composed in parallel by accumulator.Sub-energy-storage module can take turns to operate as required, and the rotation of sub-energy-storage module is by electronic switch array control.
Energy conversion module is mainly made up of super capacitor, and including minimum two sub-energy conversion module in parallel, sub-energy conversion module is composed in series by several super capacitors.Each super capacitor is connected in parallel to energy-storage module, and low pressure is charged；After charging complete, series connection produces high pressure and outwards powers.Charging and power supply are performed in turn by sub-energy conversion module.
When reclaiming braking energy, stop energy-storage module and charge to energy conversion module, energy conversion module receive braking energy.Fully charged sub-energy conversion module is charged to energy-storage module, and sub-energy conversion module adjusts the series connection number of super capacitor, to mate the charging voltage of energy-storage module.Receive braking energy and performed in turn by sub-energy conversion module to energy-storage module charging.
The charging of energy conversion module, power supply, reception braking energy and the circuit to energy-storage module charging are controlled dynamic formation by electronic switch array.During the sub-energy conversion module that switching is powered, first that new sub-energy conversion module is in parallel with old sub-energy conversion module, it is then turned off the power supply circuits of old sub-energy conversion module, to avoid the interruption of power supply.
All parallel circuits of this scheme are assembled with fusing unit, can when there is internal short-circuit in parallel circuit, the circuit of quick fuse short circuit, protect electrokinetic cell system general safety.
Battery management system is connected to energy-storage module and energy conversion module, comprehensive management electrokinetic cell system.
The invention has the beneficial effects as follows:
Electrokinetic cell system is split out energy-storage module and energy conversion module by this technical scheme, significantly reduces the complexity of electrokinetic cell system.
Energy-storage module is mainly made up of accumulator, can give full play to the characteristic that the energy density of accumulator is high；It is parallel relationship between accumulator, weakens the impact of battery discordance, make set of cells safer；Even can compatible different manufacturers, different batches accumulator, make accumulator groups of lower in cost.
Energy conversion module is mainly made up of super capacitor, the power density that can give full play to super capacitor is high, charging rate fast, the long-life, electricity estimation accurately, can the feature such as efficient recovery braking energy and operating temperature range width；Energy conversion module includes minimum two sub-energy conversion module in parallel, and each super capacitor of sub-energy conversion module is connected in parallel to energy-storage module, and low pressure is charged；After charging complete, series connection produces high pressure and outwards powers；Energy conversion efficiency is high, and cost is low.
Charging and power supply are performed in turn by sub-energy conversion module, during the sub-energy conversion module that switching is powered, first that new sub-energy conversion module is in parallel with old sub-energy conversion module, it is then turned off the power supply circuits of old sub-energy conversion module so that electric charge can convert high-tension current output endlessly to from low tension battery.
Most of energy of electrokinetic cell system stores with low-pressure state, and small part energy stores with high pressure conditions, and overall security is higher；And the electricity that can energy conversion module be stored is as emergent electricity, improve vehicle safety and the accuracy of dump energy estimation.
Each super capacitor of sub-energy conversion module is connected in parallel to energy-storage module, and low pressure is charged, can be balanced in the process of charging, makes super capacitor keep high consistency.
When reclaiming braking energy, stop energy-storage module and charge to energy conversion module, energy conversion module receive braking energy, the charging rate of the super capacitor characteristic such as fill fast, resistance to can be given full play to, can efficient recovery braking energy；Fully charged sub-energy conversion module is charged to energy-storage module, and sub-energy conversion module adjusts the series connection number of super capacitor, to mate the charging voltage of energy-storage module；Energy conversion efficiency is high, and cost is low.
Receive braking energy and performed in turn by sub-energy conversion module to energy-storage module charging so that the high-tension current that braking produces can convert low-tension current to endlessly, is absorbed by energy-storage module, improves the capacity reclaiming braking energy.
All parallel circuits of this technical scheme are assembled with fusing unit, can when there is internal short-circuit in parallel circuit, the circuit of quick fuse short circuit, protect electrokinetic cell system general safety.
Sub-energy-storage module can take turns to operate as required.The voltage rebound characteristics of accumulator can be utilized, make electricity fully to be discharged.Can disable according to situations such as the temperature of battery or enable, it is to avoid battery temperature is too high；Heater energy-storage module can be added under microthermal climate one by one, be beneficial to and quickly start vehicle.
The advantage that this technical scheme combines accumulator and super capacitor, a kind of desirably electrokinetic cell system, there is safety, energy density is high, power density is high, charging rate is fast, the long-life, low cost, electricity estimation accurately, can the advantage such as efficient recovery braking energy and operating temperature range width.
Accompanying drawing explanation
Fig. 1 is the circuit diagram that the electrokinetic cell system of separation is changed in a kind of storage according to the present invention.
In figure, 1. energy-storage module, 2. energy conversion module, 3. battery management system, 4. sub-energy-storage module, 5. lithium battery, 6. sub-energy conversion module, 7. super capacitor, 8. electronic switch array.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1: the electrokinetic cell system of separation is changed in a kind of storage, including energy-storage module 1, energy conversion module 2 and battery management system 3.Energy-storage module 1 is divided into the sub-energy-storage module 4 of several parallel connections, and sub-energy-storage module 4 is composed in parallel by lithium battery 5.Energy conversion module 2 includes minimum two sub-energy conversion module 6 in parallel, and sub-energy conversion module 6 is composed in series by several super capacitors 7.Each super capacitor 7 is connected in parallel to energy-storage module 1, and low pressure is charged；After charging complete, series connection produces high pressure and outwards powers.Charging and power supply are performed in turn by sub-energy conversion module 6.
When reclaiming braking energy, stop energy-storage module 1 and charge to energy conversion module 2, energy conversion module 2 receive braking energy.Fully charged sub-energy conversion module 6 is charged to energy-storage module 1, and sub-energy conversion module 6 adjusts the series connection number of super capacitor 7, to mate the charging voltage of energy-storage module 1.Receive braking energy and charging to energy-storage module 1 to be performed in turn by sub-energy conversion module 6.
The charging of energy conversion module 2, power supply, reception braking energy and the circuit to energy-storage module 1 charging are controlled dynamic formation by electronic switch array 8.During the sub-energy conversion module 6 that switching is powered, first that new sub-energy conversion module 6 is in parallel with old sub-energy conversion module 6, it is then turned off the power supply circuits of old sub-energy conversion module 6, to avoid the interruption of power supply.
Sub-energy-storage module 4 can take turns to operate as required, and the rotation of sub-energy-storage module 4 is controlled by electronic switch array 8.
All parallel circuits of this scheme are assembled with fusing unit, can when there is internal short-circuit in parallel circuit, the circuit of quick fuse short circuit, protect electrokinetic cell system general safety.
Battery management system 3 is connected to energy-storage module 1 and energy conversion module 2, comprehensive management electrokinetic cell system.
Claims (10)
1. an electrokinetic cell system for separation is changed in storage, it is characterized in that, including energy-storage module, energy conversion module and battery management system；Described energy-storage module composition low-voltage circuit, described energy conversion module completes the high-low pressure bi-directional conversion between described energy-storage module and external high pressure circuit.
2. electrokinetic cell system according to claim 1, it is characterized in that, described energy-storage module is mainly composed in parallel by accumulator, and described energy conversion module includes minimum two sub-energy conversion module in parallel, and described sub-energy conversion module is composed in series by several super capacitors.
3. electrokinetic cell system according to claim 2, is characterized in that, described super capacitor is connected in parallel to described energy-storage module, and low pressure is charged；After described super capacitor charging complete, series connection produces high pressure and outwards powers；Charging and power supply are performed in turn by described sub-energy conversion module.
4. electrokinetic cell system according to claim 2, is characterized in that, described energy-storage module is divided into the sub-energy-storage module of several parallel connections, and described sub-energy-storage module is composed in parallel by accumulator；Described sub-energy-storage module can take turns to operate as required；The rotation of described sub-energy-storage module is by electronic switch array control.
5. electrokinetic cell system according to claim 2, is characterized in that, when reclaiming braking energy, stops described energy-storage module and charges to described energy conversion module, energy conversion module receive braking energy.
6. electrokinetic cell system according to claim 5, it is characterized in that, fully charged described sub-energy conversion module is charged to described energy-storage module, and described sub-energy conversion module adjusts the series connection number of described super capacitor, to mate the charging voltage of described energy-storage module；Receive braking energy and performed in turn by described sub-energy conversion module to the charging of described energy-storage module.
7. the electrokinetic cell system according to claim 3 or 5 or 6, is characterized in that, the charging of described energy conversion module, power supply, reception braking energy and the circuit charged to described energy-storage module, electronic switch array control dynamic formation.
8. electrokinetic cell system according to claim 3, it is characterized in that, during the described sub-energy conversion module that switching is powered, first that new sub-energy conversion module is in parallel with old sub-energy conversion module, it is then turned off the power supply circuits of old sub-energy conversion module, to avoid the interruption of power supply.
9. the electrokinetic cell system according to claim 3 or 4, is characterized in that, all parallel circuits are assembled with fusing unit, can when internal short-circuit occurs in parallel circuit, and the circuit of quick fuse short circuit protects electrokinetic cell system general safety.
10. electrokinetic cell system according to claim 1, is characterized in that, described battery management system is connected to described energy-storage module and described energy conversion module, comprehensive management electrokinetic cell system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288176.0A CN105790382A (en) | 2016-05-04 | 2016-05-04 | Energy storage and energy conversion separated power battery system |
| PCT/CN2017/081555 WO2017190600A1 (en) | 2016-05-04 | 2017-04-22 | Power battery system having separated energy storage and energy conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288176.0A CN105790382A (en) | 2016-05-04 | 2016-05-04 | Energy storage and energy conversion separated power battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105790382A true CN105790382A (en) | 2016-07-20 |
Family
ID=56401480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610288176.0A Pending CN105790382A (en) | 2016-05-04 | 2016-05-04 | Energy storage and energy conversion separated power battery system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105790382A (en) |
| WO (1) | WO2017190600A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017190600A1 (en) * | 2016-05-04 | 2017-11-09 | 周哲明 | Power battery system having separated energy storage and energy conversion |
| CN108233512A (en) * | 2016-12-15 | 2018-06-29 | 中国科学院大连化学物理研究所 | A kind of fuel cell hybrid power system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271423A (en) * | 2019-04-03 | 2019-09-24 | 苏州阿福机器人有限公司 | The series-parallel brake energy recovery circuit and recovery method of electric vehicle |
| CN110161991A (en) * | 2019-05-07 | 2019-08-23 | 湖南科技大学 | A kind of super capacitor mould group backup power supply distributed management system for pitch system of wind driven generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280940A (en) * | 2011-09-06 | 2011-12-14 | 天宝电子（惠州）有限公司 | new energy distributed energy storage application control system |
| CN104901326A (en) * | 2015-06-04 | 2015-09-09 | 中国核动力研究设计院 | Control rod drive mechanism static power supply system and energy storage system and power supply method thereof |
| WO2015195321A1 (en) * | 2014-06-20 | 2015-12-23 | Ioxus, Inc. | Engine start and battery support module |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1094182A (en) * | 1996-09-13 | 1998-04-10 | Honda Motor Co Ltd | Power unit and electric motorcar |
| JP2006025569A (en) * | 2004-07-09 | 2006-01-26 | Nissan Motor Co Ltd | Power supplying device |
| CN105790382A (en) * | 2016-05-04 | 2016-07-20 | 周哲明 | Energy storage and energy conversion separated power battery system |
-
2016
- 2016-05-04 CN CN201610288176.0A patent/CN105790382A/en active Pending
-
2017
- 2017-04-22 WO PCT/CN2017/081555 patent/WO2017190600A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280940A (en) * | 2011-09-06 | 2011-12-14 | 天宝电子（惠州）有限公司 | new energy distributed energy storage application control system |
| WO2015195321A1 (en) * | 2014-06-20 | 2015-12-23 | Ioxus, Inc. | Engine start and battery support module |
| CN104901326A (en) * | 2015-06-04 | 2015-09-09 | 中国核动力研究设计院 | Control rod drive mechanism static power supply system and energy storage system and power supply method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017190600A1 (en) * | 2016-05-04 | 2017-11-09 | 周哲明 | Power battery system having separated energy storage and energy conversion |
| CN108233512A (en) * | 2016-12-15 | 2018-06-29 | 中国科学院大连化学物理研究所 | A kind of fuel cell hybrid power system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017190600A1 (en) | 2017-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105790382A (en) | Energy storage and energy conversion separated power battery system | |
| CN104578316A (en) | Battery pack distribution multi-mode equalizing charge method and equalizing charge circuit | |
| KR20130138611A (en) | Energy storage system | |
| CN201328023Y (en) | Back-up power for electric pitch system of wind turbine | |
| CN102769333B (en) | Standby power system for wind power generation electric variable pitch propeller | |
| CN101394101A (en) | Charging and discharging balance device for lithium ion power battery group | |
| CN101222078A (en) | Charging battery package for electric car | |
| CN103683456B (en) | A kind of hybrid power public transport super-capacitor and lithium battery parallel circuit | |
| CN201887525U (en) | Hybrid energy storage system for photovoltaic power generation system | |
| CN204407961U (en) | Battery pack distribution multi-mode equalization charging circuit | |
| CN203761142U (en) | Vehicle composite energy storage system | |
| JP2008029064A (en) | Apparatus and method of charging electric double-layer capacitor | |
| CN103072488B (en) | Composite power source | |
| CN102555825A (en) | High-voltage power distribution unit of hybrid electric bus | |
| CN105201722B (en) | A kind of power bag start-up circuit of Diesel Multiple Unit | |
| CN201290017Y (en) | Equilibrium device for charging and discharging power lithium ion battery set | |
| CN103715728B (en) | Equalizing circuit and device for series battery pack | |
| CN105634102B (en) | A kind of supply unit and its startup control method for starting automobile | |
| CN201118265Y (en) | Battery combined form transfer switch | |
| CN103888029A (en) | Motor starting method for micro-grid composite energy storage system | |
| Sertkaya et al. | Comparison of power and energy density after full shunting-balancing in serial connected lithium-ion batteries and serial-connected supercapacitors | |
| CN203827004U (en) | Automobile starting power source device | |
| Silva et al. | Charging electric vehicles from photovoltaic generation with intermediate energy storage | |
| Vignesh et al. | Industrial manufacturing of supercapacitors | |
| Stepanov et al. | Development of supercapacitor based uninterruptible power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |