CN202487685U - Battery/capacitor bank - Google Patents
Battery/capacitor bank Download PDFInfo
- Publication number
- CN202487685U CN202487685U CN2012200073193U CN201220007319U CN202487685U CN 202487685 U CN202487685 U CN 202487685U CN 2012200073193 U CN2012200073193 U CN 2012200073193U CN 201220007319 U CN201220007319 U CN 201220007319U CN 202487685 U CN202487685 U CN 202487685U
- Authority
- CN
- China
- Prior art keywords
- battery
- switch
- monomer
- capacitance group
- electric capacity
- 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.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 title abstract description 14
- 239000000178 monomer Substances 0.000 claims description 47
- 239000011449 brick Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
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
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a battery/capacitor bank which is formed by connecting at least one single battery/capacitor in parallel. The battery/capacitor bank further comprises a controller, switches and current samplers, wherein the quantity of the switches is no less than that of the single batteries/capacitors. Power terminals of the switches are connected with the single batteries/capacitors in series, control electrodes of the switches are connected with the controller, and the on-off of the switches and the duty ratio of the switches can be controlled through the control electrodes. The quantity of the current samplers is the same as the quantity of the single batteries/capacitors, and the current samplers are connected with the single batteries/capacitors in series in a one-to-one correspondence mode. Signal terminals of the current samplers are connected with the controller, and on-off movements of the current samplers are controlled through current. According to the structure, the failure of the whole battery/capacitor bank, caused by certain single batteries/capacitors when a plurality of single batteries/capacitors are connected in series, is avoided, and overlarge impulse current in charging and discharging processes can be inhibited simultaneously, so that the service life of the battery/capacitor bank can be prolonged.
Description
Technical field
The utility model relates to series connection and the parallel-connection structure that a kind of battery/electric capacity monomer is assembled into battery/capacitance group, is meant the higher battery of a kind of current-sharing performance/capacitance group structure especially.
Background technology
The also linked method of battery all is the direct parallel connection through battery cell in the current battery group, and this type of attachment exists following problem:
(1) because the internal resistance of battery cell and the difference of capacity cause battery in charging and discharging process, to exist serious inequality to press uneven flow phenomenon;
(2) the parallelly connected uneven flow problem that causes owing to the individual difference of battery causes some batteries to be operated in overload always, thereby has quickened the decay in battery cell life-span;
(3) if a battery short circuit, the module of whole parallel connection will all lose efficacy.
Capacitance group also is that some electric capacity monomers are carried out parallel connection usually, therefore exists the problems referred to above equally.
Based on this, the design people improves the parallel form of battery/electric capacity monomer in existing battery pack and the capacitance group, and this case produces thus.
The utility model content
The purpose of the utility model; Be to provide a kind of battery/capacitance group; It can evade the current unevenness weighing apparatus problem in the charge or discharge process that monomer causes owing to the difference on capacity or the inner equiva lent impedance; Evade entire cell/capacitance group inefficacy of when a plurality of monomers are parallelly connected, lost efficacy and causing, can be suppressed at the excessive problem of impulse current in charging and the discharge process simultaneously through control to tandem tap owing to certain monomer, thus the life-span of raising battery/capacitance group.
In order to reach above-mentioned purpose, the solution of the utility model is:
A kind of battery/capacitance group; Said battery/capacitance group forms by at least one monomer is parallel with one another, also comprises controller, switch and current sampler, wherein; The quantity of switch is no less than the quantity of monomer; The power terminal of said switch and monomer series-connected, and the control utmost point of switch connects controller, through controlling the control that the utmost point carries out switch and opens duty ratio; The quantity of current sampler is identical with the quantity of monomer, and connects with monomer is corresponding one by one, and the signal terminal of current sampler is connected with controller, according to the action of current-controlled switch.
Above-mentioned monomer is that battery cell, electric capacity monomer or battery cell mix the mixing module that is connected with the electric capacity monomer.
Above-mentioned battery cell is single battery, at least two batteries in series or in parallel with each other or the power brick of mixing connection.
Above-mentioned electric capacity monomer is single electric capacity, at least two electric capacity in series or in parallel with each other or mixes the electric capacity bag that connects.
Above-mentioned switch is mechanical switch or electronic switch.
Suppress the impulse current excessive problem of battery/electric capacity in charging and discharge process through control to tandem tap.
Above-mentioned switch can be operated in direct conducting state, also can be operated in the closed loop adjustment duty ratio state of being controlled by the control system of power brick or battery cell.
Can package through parallel connection and the series connection of carrying out more massive power brick behind the series connection power switch by the power brick after a plurality of battery cell parallel connections.
External control system can be optimized processing according to the difference of battery cell and the analysis of sampled signal, adopts different driving and control strategy to prolong battery or electric capacity life-span to reach best charging and discharging state to different monomers.
The switch that is connected in the monomer can be operated in following three kinds of operating states: on off state, closed-loop adjustment particular duty cycle state and linear regulation state.
After adopting such scheme; When the utility model has thoroughly changed tradition to the parallel connection of battery or electric capacity to the conforming dependence of monomer; Fundamentally solved the persistent ailment that causes the direct batteries in parallel connection of not current-sharing to damage because of the battery consistency difference; Thereby each batteries can both and be discharged its maximum capacity storage, thereby improved the utilization ratio of battery or capacitor system.In addition; If some battery infringements; Switch is peeled off it automatically from system; Thereby greatly improve the reliability of battery pack, can reduce in battery recharge and the discharge process surge current significantly to the impact of battery and electric capacity through control simultaneously, improve the reliability of system tandem tap.Through can control the equiva lent impedance of different batteries or electric capacity effectively to the switch of inside battery; Battery can be connected in parallel several batteries and carry out the current-sharing of cell or electric capacity easily; Thereby greatly reduce conforming dependence, the reliability of elevator system to battery.
Description of drawings
Fig. 1 is the sketch map of the utility model first embodiment;
Fig. 2 is the sketch map of the utility model second embodiment;
Fig. 3 is the sketch map of the utility model the 3rd embodiment;
Fig. 4 is the sketch map of the utility model the 4th embodiment.
Embodiment
Below will combine accompanying drawing, the technical scheme of the utility model will be elaborated.
The utility model provides a kind of battery/capacitance group; Said battery/capacitance group forms by at least one monomer is parallel with one another; Wherein, said monomer can be a battery cell, and this battery cell can be a single battery; Also can be to connect or be formed in parallel, or even mix the power brick that is formed by connecting through series connection and parallel connection on a plurality of batteries by at least two batteries; Monomer can be the electric capacity monomer, and said monomer electric capacity can be single electric capacity, also can be by at least two capacitances in series or is formed in parallel, or mix the electric capacity bag that is formed by connecting a plurality of electric capacity through series connection and parallel connection; Said monomer can also be to mix the mixing module that is formed by connecting aforementioned battery cell and electric capacity monomer through series connection and parallel connection.
The improvement of the utility model is: said battery/capacitance group also comprises controller, switch and current sampler; The quantity of said switch is no less than the quantity of monomer in battery/capacitance group; Said switch can be a mechanical switch, also can be electronic switch, like power semiconductor components such as MOSFET, JEFET, triode, IGBT or controllable silicons; Aforementioned switches and monomer series-connected, each monomer one or more switches of can connecting; The control utmost point of each switch connects controller respectively, controls the control that utmost point carries out switch and opens duty ratio through it; And the quantity of current sampler is identical with the quantity of monomer in battery/capacitance group, connects with monomer is corresponding one by one, and wherein, the signal of current sampler is connected with controller through signal terminal.
Cooperate shown in Figure 1; Be first embodiment of the utility model; It is that wherein E1 is a battery with the structure chart of the monomer of single battery formation, and the positive pole of battery E1 links to each other with the lead terminal BAR+ of battery pack; Negative pole links to each other with a power terminal of switch S 1, and the control terminal of switch S 1 links to each other with PWM1; The input of current sampler CS1 links to each other with another power terminal of switch S 1, and lead-out terminal links to each other with the lead terminal BAR-of battery pack, and the signal terminal of said current sampler CS1 links to each other with the CS1 control terminal.
Controller outside is controlled the voltage at battery cell two ends through the driving pulse of control PWM1, thereby reaches the conforming purpose of accurate control battery pack voltage.Simultaneously; Controller outside comes monitoring flow to cross the electric current of battery E1 through the voltage of sampling CS1; In case it is too high to flow through the electric current of battery E1, controller will recently reach the purpose of regulating cell E1 electric current through the driving duty of adjustment PWM1, thereby realize the control to battery E1 charging and discharging current.
With reference to Fig. 2; Second embodiment for the utility model; It is the structure chart with a plurality of battery cells formation battery pack parallel with one another, and wherein E2, E3, E4 are battery, and the positive pole of battery E2, E3, E4 links to each other with the lead terminal BAR+ of battery pack respectively; Negative pole links to each other with the power terminal of switch S 2, S3, S4 respectively, and the control terminal of switch S 2, S3, S4 links to each other with PWM2, PWM3, PWM4 respectively; The input of current sampler CS2, CS3, CS4 links to each other with another power terminal of switch S 2, S3, S4 respectively; Lead-out terminal then links to each other with the lead terminal BAR-of battery pack, and the signal terminal of current sampler CS2, CS3, CS4 links to each other with corresponding controling end of controller U1 respectively.U1 is the battery pack master controller of being made up of control chips such as DSP, MCU, CPU.
Controller outside U1 comes to control respectively the voltage at each monomer two ends through the driving pulse of control PWM output channel, thereby reaches the conforming purpose of accurate control battery pack voltage.Simultaneously; Controller outside U1 comes monitoring flow to cross the electric current of each battery through the current signal of sample rate current sampler; In case it is too high to flow through the electric current of each battery; Controller will recently reach the purpose of regulating each battery current through the driving duty of adjustment PWM, thereby realize the charging of each battery and the control of discharging current.
With reference to Fig. 3; The 3rd embodiment for the utility model; It is the structure chart with a plurality of electric capacity monomers formation capacitance group parallel with one another, and wherein C2, C3, C4 are electric capacity, and the positive pole of capacitor C 2, C3, C4 links to each other with the lead terminal BAR+ of capacitance group; Negative pole links to each other with the power terminal of switch S 2, S3, S4 respectively, and the control terminal of switch S 2, S3, S4 links to each other with PWM2, PWM3, PWM4 respectively; The input of current sampler CS2, CS3, CS4 links to each other with another power terminal of switch S 2, S3, S4 respectively; Lead-out terminal links to each other with the lead terminal BAR-of capacitance group, and the signal terminal of current sampler CS2, CS3, CS4 links to each other with corresponding controling end of controller U1 respectively.U1 is the capacitance group master controller of being made up of control chips such as DSP, MCU, CPU.
Controller outside U1 comes to control respectively the voltage at each monomer two ends through the driving pulse of control PWM output channel, thereby reaches the conforming purpose of accurate control capacitance group voltage.Simultaneously; Controller outside U1 comes monitoring flow to cross the electric current of each electric capacity through the current signal of sample rate current sampler; In case it is too high to flow through the electric current of each electric capacity; Controller U1 will recently reach the purpose of regulating each condenser current through the driving duty of adjustment PWM, thereby realize the charging of each electric capacity and the control of discharging current.
With reference to Fig. 4; Be the 4th embodiment of the utility model, it is the structure chart with a plurality of battery cells formation battery pack parallel with one another, and wherein E2, E3, E4 are battery; The positive pole of battery E2, E3, E4 links to each other with the lead terminal BAR+ of battery pack respectively; Negative pole links to each other with the drain electrode of MOSFET S2, S3, S4 respectively, and the grid of MOSFETS2, S3, S4 links to each other with PWM2, PWM3, PWM4 respectively, and then is connected with the control terminal of controller; The input of current sampler CS2, CS3, CS4 links to each other with the source electrode of MOSFET S2, S3, S4 respectively; Lead-out terminal then links to each other with the lead terminal BAR-of battery pack, and the signal terminal of current sampler CS2, CS3, CS4 links to each other with corresponding controling end of controller U1 respectively.U1 is the battery pack master controller of being made up of control chips such as DSP, MCU, CPU.
Need to prove, a kind of battery/capacitance group of the utility model, switch wherein both can be operated in direct conducting state, also can be operated in the closed loop adjustment duty ratio state of being controlled by controller; Controller can be according to the feedback signal of current sampler, through carrying out the adjusting of duty ratio with monomer series-connected switch, thereby realizes specific output voltage or equivalent internal resistance; Controller can be optimized processing according to the difference of monomer and the analysis of sampled signal, and different monomer is adopted different driving and control strategy, reaching best charging and discharging state, thereby prolongs battery or electric capacity life-span; In addition, based on the technological thought of the utility model, by the battery pack after a plurality of battery cell parallel connections, can be through carrying out more massive parallel connection and series connection behind the tandem tap, thus constitute bigger power brick.
More than be merely the utility model illustration, can not limit its protection range with this, that is every technological thought that proposes according to the utility model, any change of on the technical scheme basis, being done all falls within the utility model protection range.
Claims (8)
1. battery/capacitance group, said battery/capacitance group forms by at least one monomer is parallel with one another; It is characterized in that: also comprise controller, switch and current sampler; Wherein, the quantity of switch is no less than the quantity of monomer, the power terminal of said switch and monomer series-connected; And the control utmost point of switch connects controller, through controlling the control that the utmost point carries out switch and opens duty ratio; The quantity of current sampler is identical with the quantity of monomer, and connects with monomer is corresponding one by one, and the signal terminal of current sampler is connected with controller, according to the action of current-controlled switch.
2. a kind of battery/capacitance group as claimed in claim 1 is characterized in that: said monomer is that battery cell, electric capacity monomer or battery cell mix the mixing module that is connected with the electric capacity monomer.
3. a kind of battery/capacitance group as claimed in claim 2 is characterized in that: said battery cell is single battery, at least two batteries in series or in parallel with each other or the power brick of mixing connection.
4. a kind of battery/capacitance group as claimed in claim 2 is characterized in that: said electric capacity monomer is single electric capacity, at least two electric capacity in series or in parallel with each other or mixes the electric capacity bag that connects.
5. a kind of battery/capacitance group as claimed in claim 1 is characterized in that: said switch is mechanical switch or electronic switch.
6. a kind of battery/capacitance group as claimed in claim 1 is characterized in that: said switch is operated in direct conducting state, or is operated in the closed loop adjustment duty ratio state of being controlled by the control system of power brick or battery cell.
7. a kind of battery/capacitance group as claimed in claim 1 is characterized in that: parallel connection and the series connection of carrying out more massive power brick behind the power switch through series connection by the power brick after a plurality of battery cell parallel connections package.
8. a kind of battery/capacitance group as claimed in claim 1 is characterized in that: the switch that is connected in the monomer is operated in following three kinds of operating states: on off state, closed-loop adjustment particular duty cycle state and linear regulation state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200073193U CN202487685U (en) | 2012-01-09 | 2012-01-09 | Battery/capacitor bank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200073193U CN202487685U (en) | 2012-01-09 | 2012-01-09 | Battery/capacitor bank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202487685U true CN202487685U (en) | 2012-10-10 |
Family
ID=46962079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200073193U Expired - Fee Related CN202487685U (en) | 2012-01-09 | 2012-01-09 | Battery/capacitor bank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202487685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447292A (en) * | 2012-01-09 | 2012-05-09 | 张从峰 | Battery/capacitor bank current sharing control circuit |
| CN104253460A (en) * | 2013-06-28 | 2014-12-31 | 东莞钜威新能源有限公司 | Battery stack and power supply control method thereof |
-
2012
- 2012-01-09 CN CN2012200073193U patent/CN202487685U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447292A (en) * | 2012-01-09 | 2012-05-09 | 张从峰 | Battery/capacitor bank current sharing control circuit |
| CN104253460A (en) * | 2013-06-28 | 2014-12-31 | 东莞钜威新能源有限公司 | Battery stack and power supply control method thereof |
| CN104253460B (en) * | 2013-06-28 | 2016-09-14 | 东莞钜威动力技术有限公司 | A kind of battery pile and method for controlling power supply thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102447292A (en) | Battery/capacitor bank current sharing control circuit | |
| CN105576719B (en) | A kind of voltage balance circuit | |
| CN101552479B (en) | Direct-current voltage reducing circuit | |
| CN104079052B (en) | Electric automobile DC charging system | |
| CN201298737Y (en) | Battery equalizing device | |
| CN106786880A (en) | A kind of Novel layered equalizing circuit | |
| CN202564995U (en) | Multichannel battery pack charge-discharge control device | |
| CN105515117B (en) | A kind of battery charging and discharging intelligent management system | |
| CN103887836A (en) | Battery management system and method | |
| CN102593893A (en) | System for realizing balanced discharging of battery sets | |
| CN201821125U (en) | Lithium ion battery equalizing circuit | |
| CN203104011U (en) | Charge/discharge managing and equalizing system for storage battery or capacitor | |
| CN101916888A (en) | Intelligent charging equalization method and device of power battery for hybrid power vehicle and pure electric vehicle | |
| CN102013710B (en) | Solar energy charging method with efficient charging and voltage balance function | |
| CN108054807A (en) | A kind of master passively combines buck battery equalizing circuit | |
| CN202487685U (en) | Battery/capacitor bank | |
| CN202749870U (en) | Storage battery intelligent uniform charging controller for grid-disconnection type wind and light complementary power generation system | |
| CN106712168A (en) | Parallel battery pack two-way lossless equalization circuit based on inductance energy storage | |
| CN104300640A (en) | Novel storage battery pack charging control circuit and method thereof | |
| CN104682529A (en) | Charger automatically adaptive to lead-acid battery pack voltage | |
| CN115622187B (en) | Active equalization circuit and active equalization method of battery pack | |
| CN204947672U (en) | The two-way non-dissipative equalizing circuit of series battery based on inductive energy storage | |
| CN207819499U (en) | It is main passively to combine buck battery equalizing circuit | |
| CN207819500U (en) | Main passive mixing decompression equalizing circuit | |
| CN202949218U (en) | Cell/capacitor set serially connecting escape circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: INNOEV NEW ENERGY TECHNOLOGY NANJING CO., LTD. Free format text: FORMER OWNER: ZHANG CONGFENG Effective date: 20130620 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130620 Address after: Dong Qi Road Nanjing City, Jiangsu province 210000 kylin Technology Park No. 666 Patentee after: Innoev New Energy Technology Nanjing Co., Ltd. Address before: Dong Qi Road Nanjing City, Jiangsu province 210000 kylin Technology Park No. 666 Patentee before: Zhang Congfeng |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200918 Address after: Gate 2, Huaqiang Industrial Park, 3 / F, building 5, 188 Hongye North Road, Tangxia Town, Dongguan City, Guangdong Province 523710 Patentee after: Guangdong bode New Energy Technology Co.,Ltd. Address before: Dong Qi Road Nanjing City, Jiangsu province 210000 kylin Technology Park No. 666 Patentee before: INNOEV NEW ENERGY TECHNOLOGY NANJING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20210109 |