CN205429784U - Be applied to lithium ion capacitor's management module - Google Patents
Be applied to lithium ion capacitor's management module Download PDFInfo
- Publication number
- CN205429784U CN205429784U CN201521046660.XU CN201521046660U CN205429784U CN 205429784 U CN205429784 U CN 205429784U CN 201521046660 U CN201521046660 U CN 201521046660U CN 205429784 U CN205429784 U CN 205429784U
- Authority
- CN
- China
- Prior art keywords
- module
- voltage
- ion capacitor
- lithium
- battery core
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a be applied to lithium ion capacitor's management module, including the electric core of connecting the lithium ion capacitor module just, the signal input part of negative pole, a voltage equalization module for gathering in the lithium ion capacitor module each electric core voltage and make the judgement, a voltage acquisition module for gathering the voltage and the output of each electric core in the lithium ion capacitor module, the logic control module of the signal that can handle the signal conversion of voltage acquisition module and voltage equalization module output for external controller, the signal output part who connects external controller, the main current -limiting resistor module of playing the electric current size of restriction vehicle -mounted storage battery in to lithium ion capacitor module charging process, main prevents lithium ion capacitor module unidirectional diode module to vehicle -mounted storage battery reverse charge in the discharge process, when detect logic control module output cell voltage value is above the rated voltage value in the lithium ion capacitor module in the charging process time, the overcharge protection module that will break off charging circuit.
Description
Technical field
This utility model relates to a kind of power management module, a kind of management module being applied to lithium-ion capacitor.
Background technology
Owing to the production technology of lithium ion battery limits, there is the inconsistent of capacity, voltage, internal resistance etc. between lithium-ion battery monomer, even if also can there are differences in a collection of battery.Even it addition, set of cells comparison of coherence dispatching from the factory when is good, during use afterwards, this inconsistent meeting increases along with the increase of the cycle-index of set of cells.In Li-ion batteries piles, the inconsistent meeting of monomer causes set of cells cannot play heap(ed) capacity, and can greatly shorten the service life of set of cells.Further, since the particularity of lithium ion battery, in use if it occur that overcharge, cross and put and cross stream etc., battery can be caused irreversible damage, even cause security incident.So, before the use, one of problem first having to solution is exactly the management to set of cells to Li-ion batteries piles.
The Main Function of battery management system is detection and protects battery, improves its service efficiency and service life, thus improves the equipment time limit using battery.
Battery management system is to meet the requirement needs that battery uses to have a following function: (1) high-precision single battery voltage Quick Acquisition and process.(2) battery voltage of degree of precision and electric current Quick Acquisition and process.(3) charging overvoltage (higher than upper voltage limit value) and electric discharge overvoltage (less than voltage lower limit value) protection.(4) charging and discharging overcurrent protection；The relation trend specifically numeral of the size of its electric current and SOC should be according to Experimental Calibration.(5) temperature detection and overtemperature protection in battery case.(6) all cell SOC in set of cells and electric voltage equalization.(7) with external device communication function.
Based on the function that battery management system is to be possessed, the module that system should comprise has: for eliminating the equalizing circuit module that each electric quantity of single batteries of set of cells is inconsistent；For cell voltage, electric current and thermometric measurement module；For realizing the interface module of intermodule communication；It is responsible for the management module that the data of modules in system are processed and monitored；For the human-machine interface module of man-machine interaction, and the protection module etc. of battery.
Along with progress and the demand of environmental conservation of science and technology, ultracapacitor because its capacity is big, life-span length, the velocity of discharge are fast, operating temperature range width, extensive concern can be obtained with advantages such as connection in series-parallel uses in the field such as electric automobile, intelligent micro-grid.
The rated voltage of monomer ultracapacitor is low, for obtaining high voltage, it is therefore desirable to many monomer ultracapacitors are used in series.But, each monomer ultracapacitor is complicated due to internal structure particularity, it is difficult to ensure that the highest concordance in technique, therefore there is the inconsistent of capacity tolerance, leakage current deviation and ESR, these reasons all can cause each monomer ultracapacitor charging voltage unbalanced, if not taking necessity all to press measure, the energy storage efficiency of whole capacitor module can be caused to reduce.It addition, too high voltage, temperature all can reduce the life-span of ultracapacitor.Therefore, ultracapacitor module management system is the most necessary for service life and the energy storage efficiency of raising ultracapacitor.
Ultracapacitor module management system should have the detections of information such as the monomer voltage to ultracapacitor module and temperature, electric voltage equalization, overvoltage and the function such as overcurrent protection and data communication.
Lithium-ion capacitor is a kind of emerging new forms of energy energy storage device, it is to use lithium ion battery and ultracapacitor mixed structure, its positive pole uses the positive pole of ultracapacitor, negative pole uses the negative pole structure of lithium ion battery, has high power density (its power density is much larger than lead-acid accumulator), long-life characteristics and the characteristic of lithium ion battery high-energy-density of ultracapacitor concurrently.Itself having the highest voltage holding capability, room temperature 25 DEG C is placed 3 months, and voltage declines≤5%；The safety in operation of wide use temperature range (-40 DEG C～70 DEG C), reliability.Therefore, it should the management module of comprehensive lithium ion battery management system and ultracapacitor designs the management module of lithium-ion capacitor, and lithium-ion capacitor can be allowed preferably to play its effect.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of management module being applied to lithium-ion capacitor, applies this management module can quickly realize the equilibrium of energy, makes full use of the energy of each battery core.
For solving above technical problem, the management module being applied to lithium-ion capacitor described in the utility model, including
Connect the battery core positive and negative electrode of lithium-ion capacitor module, detect the signal input part of the voltage of each battery core；
For gathering the voltage of each battery core in lithium-ion capacitor module and judging, then decide whether the voltage balancing module worked；If the pressure reduction i.e. having battery core voltage to exceed between equalizing voltage threshold value or two battery cores exceedes certain value, then voltage balancing module works, and the signal that voltage balancing module sends transmits a signal to peripheral control unit by following Logic control module, signal output part；
For gathering the voltage of each battery core in lithium-ion capacitor module and exporting, prevent the voltage of each battery core from overvoltage or the voltage acquisition module of under-voltage situation occurring；If be detected that the voltage of battery core occurs abnormal, then can transmit a signal to peripheral control unit by following Logic control module, signal output part；
The signal that voltage acquisition module and voltage balancing module export is converted to the Logic control module of the accessible signal of peripheral control unit；
Connect peripheral control unit, voltage signal is transferred to the signal output part of peripheral control unit；
Act primarily as the current-limiting resistance module limiting Vehicular accumulator cell size of current in lithium-ion capacitor module charging process；This current-limiting resistance module mainly limits Vehicular accumulator cell size of current in lithium-ion capacitor module charging process, will not burn out because electric current is excessive for protection circuit plate；
Act primarily as the unilateral diode module preventing lithium-ion capacitor module to Vehicular accumulator cell reverse charge in discharge process；
When detect that Logic control module exports when in charging process, in lithium-ion capacitor module, battery core magnitude of voltage exceedes load voltage value, will be switched off charging circuit overcharges protection module.
Further, described management module also includes for battery core in lithium-ion capacitor module is carried out the power-consuming component of discharge process.
Further, described whole system power supply circuits are all from signal input part.
Module volume is little in lithium-ion capacitor of the present utility model management, stable performance, acquisition precision height, low cost, the feature such as highly reliable, can be applicable to the occasion that charging battery discharges soon.
The management module being applied to lithium-ion capacitor of the present utility model can quickly realize the equilibrium of energy, makes full use of the energy of each battery core.
The management module being applied to lithium-ion capacitor of the present utility model is possible to prevent overcharging or excessively putting phenomenon of lithium-ion capacitor, especially can be automatically obtained and overcharge protection, improve the safety and stability of lithium-ion capacitor module.
The lithium-ion capacitor module of application this utility model management module can be applicable to the occasion that charging battery discharges soon.And this management module can mass production.
Accompanying drawing explanation
Fig. 1 is that lithium-ion capacitor of the present utility model manages modular circuit schematic diagram；
Fig. 2 is signal input part circuit theory diagrams；
Fig. 3 is voltage balancing module circuit theory diagrams；
Fig. 4 is voltage acquisition module circuit theory diagrams；
Fig. 5 A is the control circuit schematic diagram overcharging protection module in Logic control module；
Fig. 5 B is the control circuit schematic diagram of the Cross prevention module in Logic control module；
Fig. 6 is signal output part circuit theory diagrams；
Fig. 7 is current-limiting resistance modular circuit schematic diagram；
Fig. 8 is unilateral diode modular circuit schematic diagram；
Fig. 9 is for overcharging protection modular circuit schematic diagram.
Wherein, in Fig. 1,1-signal input part, 2-voltage balancing module, 3-voltage acquisition module, 4-Logic control module, 5-signal output part, 6-current-limiting resistance module, 7-unilateral diode module, 8 overcharge protection module.
Detailed description of the invention
Embodiment: the management module being applied to lithium-ion capacitor that the utility model proposes; as it is shown in figure 1, this management module specifically includes that signal input part 1, voltage balancing module 2, voltage acquisition module 3, Logic control module 4, signal output part 5, current-limiting resistance module 6, unilateral diode module 7, overcharges protection module 8 eight major part.
Signal input part 1, as in figure 2 it is shown, this signal input part 1 connects the battery core positive and negative electrode of lithium-ion capacitor module, detects the voltage of each battery core.
Voltage balancing module 2 is as shown in Figure 3, this voltage balancing module 2 is to gather the voltage of each battery core in lithium-ion capacitor module and judge, if the pressure reduction having battery core voltage to exceed between equalizing voltage threshold value or two battery cores exceedes certain value, then voltage balancing module works, and the signal that voltage balancing module sends transmits a signal to peripheral control unit by Logic control module 4, signal output part 5.
As shown in Figure 4, this voltage acquisition module 3 is to gather the voltage of each battery core in lithium-ion capacitor module and export to voltage acquisition module 3, prevents the voltage of each battery core from overvoltage or under-voltage situation occur.If be detected that the voltage of battery core occurs abnormal, then can transmit a signal to peripheral control unit by Logic control module, signal output part.For gathering the voltage of each battery core in lithium-ion capacitor module and exporting, prevent the voltage of each battery core from overvoltage or the voltage acquisition module of under-voltage situation occurring；If be detected that the voltage of battery core occurs abnormal, then can transmit a signal to peripheral control unit by following Logic control module, signal output part；
Logic control module 4 is as it is shown in figure 5, this Logic control module 4 is that the signal that voltage acquisition module 3 and voltage balancing module 2 export is converted to the accessible signal of peripheral control unit.
As shown in Figure 6, this signal output part 5 connects peripheral control unit to signal output part 5, and voltage signal is transferred to peripheral control unit.
Current-limiting resistance module 6, as it is shown in fig. 7, this current-limiting resistance module 6 mainly limits Vehicular accumulator cell size of current in lithium-ion capacitor module charging process, will not burn out because electric current is excessive for protection circuit plate.
As shown in Figure 8, the Main Function of this unilateral diode module 7 is to prevent lithium-ion capacitor module to Vehicular accumulator cell reverse charge in discharge process to unilateral diode module 7.
Overcharge protection module 8 as it is shown in figure 9, this overcharge protection module 8 be when detect that Logic control module 4 exports when in charging process, in lithium-ion capacitor module, battery core magnitude of voltage exceedes load voltage value, will be switched off charging circuit.
Wherein, the B4+ end of signal input part 1 is come from for whole system power supply circuits.
The management module being applied to lithium-ion capacitor of the present utility model, its management process is as follows:
(1) in charging process, Vehicular accumulator cell by signal output part 5, overcharge protection module 8, unilateral diode module 7, current-limiting resistance module 6, signal input part 1 for lithium-ion capacitor module charging.
The voltage of each battery core is transferred to voltage balancing module 2 and voltage acquisition module 3 by signal input part 1.
Voltage balancing module 2 determines whether that the voltage difference that in lithium-ion capacitor module, the voltage of battery core exceedes between equalizing voltage threshold value or two battery cores exceedes certain value, if this phenomenon occurs, then Logic control module 4 will be transferred to peripheral control unit by signal output part 5 after the signal processing from voltage balancing module 2, then peripheral control unit can make charging circuit disconnect, after the battery core of the electric voltage exception power-consuming component discharge process by setting, the voltage of each battery core in lithium-ion capacitor module is made to have homogeneity.
Voltage acquisition module 3 then judges in lithium-ion capacitor module, whether each battery core has the generation of overvoltage phenomenon; if there being abnormal phenomena to occur; then Logic control module 4 overcharges protection module 8 by being transferred to after the signal processing from voltage acquisition module 3; overcharging protection module 8 makes lithium-ion capacitor module charging circuit disconnect, and the battery core of electric voltage exception is in normal voltage range after the power-consuming component discharge process set.
The power-consuming component of described setting is the resistance such as metal-oxide-semiconductor.
(2) in discharge process, the voltage of each battery core is transferred to voltage acquisition module 3 by signal input part 1.
Voltage acquisition module 3 then judges in lithium-ion capacitor module whether each battery core had and puts the generation causing under-voltage phenomenon, if there being abnormal phenomena to occur, then Logic control module 4 will be transferred to peripheral control unit by signal output part 5 after the signal processing from voltage acquisition module 3, peripheral control unit makes lithium-ion capacitor module discharge circuit disconnect, and makes whole system in a dormant state.
(3) in its natural state, the voltage of each battery core is transferred to voltage acquisition module 3 by signal input part 1.
If voltage acquisition module 3 judges that the battery core having in lithium-ion capacitor module reaches minimum permission magnitude of voltage, then Logic control module 4 will be transferred to peripheral control unit by signal output part 5 after the signal processing from voltage acquisition module 3, and peripheral control unit makes whole system in a dormant state.
Claims (2)
1. the management module being applied to lithium-ion capacitor, it is characterised in that: include
Connect the battery core positive and negative electrode of lithium-ion capacitor module, detect the signal input part of the voltage of each battery core；
For gathering the voltage of each battery core in lithium-ion capacitor module and judging, then decide whether the voltage balancing module worked；
For gathering the voltage of each battery core in lithium-ion capacitor module and exporting, prevent the voltage of each battery core from overvoltage or the voltage acquisition module of under-voltage situation occurring；
The signal that voltage acquisition module and voltage balancing module export is converted to the Logic control module of the accessible signal of peripheral control unit；
Connect peripheral control unit, voltage signal is transferred to the signal output part of peripheral control unit；
Act primarily as the current-limiting resistance module limiting Vehicular accumulator cell size of current in lithium-ion capacitor module charging process；
Act primarily as the unilateral diode module preventing lithium-ion capacitor module to Vehicular accumulator cell reverse charge in discharge process；
When detect that Logic control module exports when in charging process, in lithium-ion capacitor module, battery core magnitude of voltage exceedes load voltage value, will be switched off charging circuit overcharges protection module.
It is applied to the management module of lithium-ion capacitor the most according to claim 1, it is characterised in that: described management module also includes for battery core in lithium-ion capacitor module is carried out the power-consuming component of discharge process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046660.XU CN205429784U (en) | 2015-12-16 | 2015-12-16 | Be applied to lithium ion capacitor's management module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046660.XU CN205429784U (en) | 2015-12-16 | 2015-12-16 | Be applied to lithium ion capacitor's management module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205429784U true CN205429784U (en) | 2016-08-03 |
Family
ID=56536845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521046660.XU Active CN205429784U (en) | 2015-12-16 | 2015-12-16 | Be applied to lithium ion capacitor's management module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205429784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329667A (en) * | 2016-10-26 | 2017-01-11 | 宁德时代新能源科技股份有限公司 | Battery equalization circuit, system and method |
| CN107139865A (en) * | 2017-06-06 | 2017-09-08 | 江阴弘远新能源科技有限公司 | A kind of efficient automobile starts super capacitor module |
-
2015
- 2015-12-16 CN CN201521046660.XU patent/CN205429784U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329667A (en) * | 2016-10-26 | 2017-01-11 | 宁德时代新能源科技股份有限公司 | Battery equalization circuit, system and method |
| WO2018076813A1 (en) * | 2016-10-26 | 2018-05-03 | 宁德时代新能源科技股份有限公司 | Battery equalization circuit, system and method |
| CN107139865A (en) * | 2017-06-06 | 2017-09-08 | 江阴弘远新能源科技有限公司 | A kind of efficient automobile starts super capacitor module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204012834U (en) | A kind of lithium iron phosphate dynamic battery management system | |
| CN104104137A (en) | Lithium iron phosphate power battery management system and management method | |
| CN103972869A (en) | Dual-protection system and method for batteries | |
| CN103701171A (en) | Equalizing charge control system for battery pack of HEV (Hybrid Electric Vehicle) | |
| CN107618397A (en) | Battery management system | |
| CN102437603A (en) | Lithium battery management system balance control method | |
| CN104201654A (en) | Battery pack balance protecting system and method | |
| CN105490327A (en) | Three-layer protection system for lithium battery pack and control method of three-layer protection system | |
| CN202616757U (en) | Protective device of lithium-ion battery pack | |
| CN203504219U (en) | Parallel charging maintenance device of battery group | |
| CN205429784U (en) | Be applied to lithium ion capacitor's management module | |
| CN107294163B (en) | Storage battery state inspection method and device with storage battery monomer balancing function | |
| CN206242904U (en) | A kind of novel power supply system of hybrid vehicle | |
| CN205195249U (en) | Digit BMS protection shield with data storage function | |
| CN204012756U (en) | Dynamic lithium battery group administrative protection device | |
| CN201290017Y (en) | Equilibrium device for charging and discharging power lithium ion battery set | |
| CN203607887U (en) | Composite energy storage device | |
| CN203607876U (en) | A battery equalization management apparatus | |
| CN202260560U (en) | Machine-mounted lithium battery charger | |
| CN106711521B (en) | Battery pack balancing control method and control circuit | |
| CN213124538U (en) | Novel battery module initiative is balanced device | |
| CN204947675U (en) | A kind of layer-build cell group equalizing circuit | |
| CN204046240U (en) | A kind of motor vehicle lithium battery with equalization charging circuit | |
| CN205304299U (en) | Lithium ion capacitor's management module | |
| CN204481531U (en) | A kind of electric automobile lithium battery active equalization management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220614 Address after: 333000 north of Zhihang Road, high tech Zone, Changjiang District, Jingdezhen City, Jiangxi Province (within Jingdezhen Weihang Technology Co., Ltd.) Patentee after: Jiangxi Zhanxiao New Energy Technology Co.,Ltd. Address before: 201199 room C307, huilide Industrial Park, No. 1-7, Lane 1356, Xinyuan Road, Minhang District, Shanghai Patentee before: SHANGHAI CAPENERGY TECHNOLOGY Co.,Ltd. |