CN101582517A - Charging and discharging battery pack and control method thereof - Google Patents
Charging and discharging battery pack and control method thereof Download PDFInfo
- Publication number
- CN101582517A CN101582517A CNA2008100280740A CN200810028074A CN101582517A CN 101582517 A CN101582517 A CN 101582517A CN A2008100280740 A CNA2008100280740 A CN A2008100280740A CN 200810028074 A CN200810028074 A CN 200810028074A CN 101582517 A CN101582517 A CN 101582517A
- Authority
- CN
- China
- Prior art keywords
- battery
- battery unit
- switch
- battery pack
- grouping
- 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
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000007599 discharging Methods 0.000 title abstract description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052744 lithium Inorganic materials 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000005520 electrodynamics Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/19—Switching between serial connection and parallel connection of battery modules
-
- 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
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a charging and discharging battery pack and a control method thereof, aiming to solve various technical problems of the high-capacity rechargeable lithium battery used on a vehicle as the pure electrodynamic force. The charging and discharging battery pack comprises at least two battery units, between two battery units in the battery pack, the anode tandem-connection end of the first battery unit is connected with the cathode tandem-connection end of the second battery unit, N battery units can be continuously connected, and the demands of a series of power supplies of damaged battery unit shielding, rapid high-voltage charging, strong-current starting, braking energy charging and voltage regulating by charging and discharging are met.
Description
Technical field
The present invention relates to a kind of battery pack, more particularly, it relates to a kind of battery pack and control method thereof of charging and discharging.
Background technology
Present stage, the power density and the fail safe hexyl instinct of lithium battery reached on the vehicle requirement of using as pure electric power; but can big capacity chargeable lithium battery use as pure electric power on the vehicle vessel maturely; key is the problem of the scope width of high power lithium battery charging and discharging balance and charge power supply; but current electronic component technology is difficult to discharge and recharge monitoring and protecting and use with what low cost realized big capacity chargeable lithium battery reliably, and battery life is short, and oneself is that big capacity chargeable lithium battery occupies high main cause as pure electric power use cost on the vehicle vessel.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, provide a kind of cost lower, use a kind of flexibly battery pack and control method thereof of charging and discharging, use as electric power to solve big capacity chargeable battery.
The present invention seeks to be achieved by following technical scheme:
One, a kind of battery pack that charges and discharge comprises at least two battery units;
Described battery unit by
The positive pole of battery 1 and ganged switch 2 often open that fixed contact is connected, the moving contact of the negative pole of the normally closed fixed contact of ganged switch 2 and battery 1 and ganged switch 3 connects altogether, the moving contact of ganged switch 2 connects altogether with an end and the anodal series side 8 of switch 4, the other end of switch 4 is connected with battery anode 6, ganged switch 3 often open that fixed contact is connected with battery pack negative pole 7, the normally closed fixed contact of ganged switch 3 is connected with negative pole series side 9, constitute a battery unit;
Between two battery units in the battery pack, the anodal series side 8 of first battery unit is connected with the negative pole series side 9 of second battery unit, the anodal series side 8 of second battery unit is connected with the negative pole series side 9 of the 3rd battery unit, continues to connect and can insert N battery unit.
Two, aforesaid a kind of control method that charges and discharge battery pack:
The described battery pack that charges and discharge can be by the different on off states of the ganged switch 2 in the control battery pack, ganged switch 3, switch 4, and with the sum of batteries in battery set unit, dividing equally is 1 grouping or the grouping of a plurality of equal portions;
From the moving contact of the ganged switch (3) of battery unit and its normally opened contact is closed connects (7) with the battery pack negative pole, the positive terminal of the moving contact of the ganged switch of the battery unit in the grouping (2) and battery (1) is connected, closed the connection with battery anode (6) of switch (4) to battery unit finished, and is a grouping;
When the existence of battery unit during the equal portions grouping, control the positive pole disconnection that ganged switch 2 in the battery unit of equal portions packet partial not makes moving contact and battery 1;
Battery pack obtains various different voltages, electric current by the multiple different number of batteries series connection of battery unit, multiple different grouping parallel connection.
The present invention compared with prior art has following beneficial effect:
1. the voltage adaptation limit of power of charge power supply is wide.
2. discharging current adapts to dynamic start, climbing needs by force.
3. voltage is stable, controllable voltage regulating.
4. adapt to quick charge under the multiple situation.
5. a certain element cell breaks down, and can shield fast, does not influence to continue to use.
6. meet emergencies battery whole distributing outages of moment in the battery pack.
7. can be according to practical situation combination in any.
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention;
Among the figure: battery 1; Ganged switch 2,3; Switch 4; Battery anode 6; Battery pack negative pole 7; Anodal series side 8; Negative pole series side 9.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
Embodiment:
As shown in Figure 1: battery pack comprises 2520 battery units, and battery 1 uses the 3.7V/3.6Ah lithium ion battery, and ganged switch 2,3 adopts one often to open a normally closed relay, and switch 4 adopts normally opened relay.
Battery unit is connected with the fixed contact of often opening of ganged switch 2 by the positive pole of battery 1; The moving contact of the normally closed fixed contact of ganged switch 2 and the negative pole of battery 1 and ganged switch 3 connects altogether; Directly be connected with the moving contact of ganged switch 3; One end of the moving contact of ganged switch 2 and switch 4 connects and composes the anodal series side 8 of battery unit; The other end of switch 4 is connected with battery anode 6; The fixed contact of often opening of ganged switch 3 is connected with battery pack negative pole 7; The normally closed fixed contact of ganged switch 3 constitutes the negative pole series side 9 of battery unit; In the battery pack between per two battery units, the anodal series side 8 of first battery unit is connected with the negative pole series side 9 of second battery unit, the anodal series side 8 of second battery unit is connected with the negative pole series side 9 of the 3rd battery unit, continues to connect 2520 battery units of access.
Charge and discharge battery pack, by the different on off states of the ganged switch 2 in the control battery pack, ganged switch 3, switch 4, with the sum of 2520 battery units in the battery pack, dividing equally is 1 grouping or the grouping of a plurality of equal portions;
Grouping connects 7 from moving contact and its normally opened contact closure of the ganged switch 3 of battery unit with the battery pack negative pole, the moving contact of the ganged switch 2 of the battery unit in the grouping and the positive terminal of battery 1 are connected, switch 4 closed connections with battery anode 6 to battery unit are finished, and are a grouping;
When the existence of battery unit during the equal portions grouping, control the positive pole disconnection that ganged switch 2 in the battery unit of equal portions packet partial not makes moving contact and battery 1;
Battery pack obtains various different voltages, electric current by multiple different number of batteries series connection, the multiple different grouping parallel connection of 2520 battery units.
The present invention charges and discharge battery pack and control method thereof, and is as shown in table 1 according to pure electronic proud car example practical application Control Parameter:
Table 1
Remarks: it is example that present embodiment is selected pure electric sedan for use, and rated direct voltage 300V only enumerates the part voltage status of battery in the table, only with the canonical parameter explanation.
The present invention can be applicable to, electric automobile, stand-by power supply, military project department, telecommunication power department, electronic vessel etc.
Claims (2)
1. one kind charges and discharge battery pack, it is characterized in that:
Comprise at least two battery units;
Described battery unit by
The positive pole of battery (1) is connected with the fixed contact of often opening of ganged switch (2), the moving contact of the negative pole of the normally closed fixed contact of ganged switch (2) and battery (1) and ganged switch (3) connects altogether, one end of the moving contact of ganged switch (2) and switch (4) and anodal series side (8) connect altogether, the other end of switch (4) is connected with battery anode (6), the fixed contact of often opening of ganged switch (3) is connected with battery pack negative pole (7), the normally closed fixed contact of ganged switch (3) and negative pole series side (9) connect and compose;
Between two battery units in the battery pack, the anodal series side (8) of first battery unit is connected with the negative pole series side (9) of second battery unit, the anodal series side (8) of second battery unit is connected with the negative pole series side (9) of the 3rd battery unit, continues to connect and can insert N battery unit.
2. a kind of control method that charges and discharge battery pack as claimed in claim 1 is characterized in that:
The described battery pack that charges and discharge can be by the ganged switch (2,3) in the control battery pack, the different on off states of switch (4), and with the sum of batteries in battery set unit, dividing equally is 1 grouping or the grouping of a plurality of equal portions;
Grouping is connected (7) from moving contact and its normally opened contact closure of the ganged switch (3) of battery unit with the battery pack negative pole, the positive terminal of the moving contact of the ganged switch of the battery unit in the grouping (2) and battery (1) is connected, closed the connection with battery anode (6) of switch (4) to battery unit finished, and is a grouping;
When the existence of battery unit during the equal portions grouping, control the positive pole disconnection that ganged switch (2) in the battery unit of equal portions packet partial not makes moving contact and battery (1);
Battery pack obtains various different voltages, electric current by the multiple different number of batteries series connection of battery unit, multiple different grouping parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100280740A CN101582517A (en) | 2008-05-14 | 2008-05-14 | Charging and discharging battery pack and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100280740A CN101582517A (en) | 2008-05-14 | 2008-05-14 | Charging and discharging battery pack and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101582517A true CN101582517A (en) | 2009-11-18 |
Family
ID=41364546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100280740A Pending CN101582517A (en) | 2008-05-14 | 2008-05-14 | Charging and discharging battery pack and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101582517A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983596A (en) * | 2011-09-05 | 2013-03-20 | 耿军 | N+1 storage battery pack on-line detection maintenance seamless power supply device |
| CN103051019A (en) * | 2012-12-10 | 2013-04-17 | 王奉瑾 | A series-parallel switching control system between battery packs and a charging and discharging control method thereof |
| CN103682233A (en) * | 2013-12-17 | 2014-03-26 | 力帆实业(集团)股份有限公司 | Moving contact component of power battery pack of full electric vehicle |
| CN103700802A (en) * | 2013-12-17 | 2014-04-02 | 力帆实业(集团)股份有限公司 | Elastic contact on end face of powder battery of full electric vehicle |
| CN106130190A (en) * | 2016-07-28 | 2016-11-16 | 蔚来汽车有限公司 | Household energy storage system with multiple voltage outputs |
| CN106160145A (en) * | 2016-08-01 | 2016-11-23 | 国家电网公司 | Charging device for household electric vehicles |
| CN108110335A (en) * | 2017-11-16 | 2018-06-01 | 国机智骏（北京）汽车科技有限公司 | The control method of the battery system of electric vehicle, electric vehicle and battery system |
| CN110550157A (en) * | 2019-09-24 | 2019-12-10 | 赵建和 | Zero-emission electric barge |
| CN111313109A (en) * | 2020-02-25 | 2020-06-19 | 中国科学院电工研究所 | An improved battery network system and method |
| EP3793056A1 (en) * | 2019-09-12 | 2021-03-17 | Kabushiki Kaisha Toyota Jidoshokki | Secondary battery system and connection circuit |
| CN114268157A (en) * | 2021-12-30 | 2022-04-01 | 重庆长安汽车股份有限公司 | Power battery, power battery series-parallel connection control method and automobile |
-
2008
- 2008-05-14 CN CNA2008100280740A patent/CN101582517A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983596A (en) * | 2011-09-05 | 2013-03-20 | 耿军 | N+1 storage battery pack on-line detection maintenance seamless power supply device |
| CN103051019A (en) * | 2012-12-10 | 2013-04-17 | 王奉瑾 | A series-parallel switching control system between battery packs and a charging and discharging control method thereof |
| CN103682233A (en) * | 2013-12-17 | 2014-03-26 | 力帆实业(集团)股份有限公司 | Moving contact component of power battery pack of full electric vehicle |
| CN103700802A (en) * | 2013-12-17 | 2014-04-02 | 力帆实业(集团)股份有限公司 | Elastic contact on end face of powder battery of full electric vehicle |
| CN103700802B (en) * | 2013-12-17 | 2015-08-12 | 力帆实业(集团)股份有限公司 | Elastic contact on end face of powder battery of full electric vehicle |
| CN103682233B (en) * | 2013-12-17 | 2015-09-02 | 力帆实业(集团)股份有限公司 | Battery of full electric vehicle bag moving contact component |
| WO2018019133A1 (en) * | 2016-07-28 | 2018-02-01 | 蔚来汽车有限公司 | Household energy storage system for multi-voltage output |
| CN106130190A (en) * | 2016-07-28 | 2016-11-16 | 蔚来汽车有限公司 | Household energy storage system with multiple voltage outputs |
| CN106160145A (en) * | 2016-08-01 | 2016-11-23 | 国家电网公司 | Charging device for household electric vehicles |
| CN108110335A (en) * | 2017-11-16 | 2018-06-01 | 国机智骏（北京）汽车科技有限公司 | The control method of the battery system of electric vehicle, electric vehicle and battery system |
| EP3793056A1 (en) * | 2019-09-12 | 2021-03-17 | Kabushiki Kaisha Toyota Jidoshokki | Secondary battery system and connection circuit |
| US11462919B2 (en) | 2019-09-12 | 2022-10-04 | Kabuskiki Kaisha Toyota Jidoshokki | Secondary battery system and connection circuit |
| CN110550157A (en) * | 2019-09-24 | 2019-12-10 | 赵建和 | Zero-emission electric barge |
| CN111313109A (en) * | 2020-02-25 | 2020-06-19 | 中国科学院电工研究所 | An improved battery network system and method |
| CN111313109B (en) * | 2020-02-25 | 2021-06-04 | 中国科学院电工研究所 | Improved battery network system and method |
| CN114268157A (en) * | 2021-12-30 | 2022-04-01 | 重庆长安汽车股份有限公司 | Power battery, power battery series-parallel connection control method and automobile |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091118 |