CN104300660A - Composite power supply management system - Google Patents
Composite power supply management system Download PDFInfo
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- CN104300660A CN104300660A CN201410537502.8A CN201410537502A CN104300660A CN 104300660 A CN104300660 A CN 104300660A CN 201410537502 A CN201410537502 A CN 201410537502A CN 104300660 A CN104300660 A CN 104300660A
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- Prior art keywords
- module
- super capacitor
- storage battery
- control
- control module
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Provided is a composite power supply management system. The composite power supply management system comprises a master control module 1, a storage battery slave control module 2, a super-capacitor slave control module 3, a bus voltage and current monitoring sensor module 4, a bidirectional DC/DC conversion module 5, an internal bus 6, an external bus 7, a storage battery 8, a super-capacitor 9 and a direct current bus 10. The composite power supply management system can achieve high-voltage output; when the system needs high-power output, a super-capacitor set can work to protect the storage battery and prevent the storage battery from over-charge and over-discharge, and therefore the performance of the system is improved.
Description
Technical field
The present invention relates to a kind of composite power source management system, particularly relate to the composite power source management system being applied to storage battery and super capacitor and forming.
Background technology
At present, usually adopt in electric automobile power supply system and multiple cell is combined composition battery pack by connection in series-parallel power.The energy density of battery is high, can be that electric automobile is powered as the main power source of electric automobile.But battery is when heavy-current discharge, and the life-span will sharply shorten.Compared to battery, the advantages such as it is high that super capacitor has power density, and operating temperature range is wide, long service life.When battery cannot provide transient high-current, its shortcoming can well be made up, play the effect of peak load shifting.Battery and super capacitor are combined and forms hybrid power system and will effectively improve the performance of system.
Each Battery pack is all connected with reversible transducer with super capacitor with super capacitor hybrid energy-storing management system (patent No.: 201210356596.X) by a kind of secondary cell of existing patent, although improve the ability of regulation and control of system, but too much reversible transducer not only increases cost, also make complex structure, controlling difficulty increases.Battery pack and super capacitor group being staggered in this patent is connected on DC bus, and according to the quantity that the state adjustment of battery pack and super capacitor group is received on bus, the defect of this structure is if load is not often work in heavy condition, just have a large amount of battery pack, super capacitor group idle, cause the waste of energy.The existing patent electric vehicle energy storage device management system (patent No.: only use one group of super capacitor 200920204489.9), if realize high voltage output just to need to be connected in series a large amount of super capacitor, from controller, over-burden like this, makes complex structure, and controlling difficulty increases.And do not have bus current voltage monitor in this patent, bus current information of voltage accurately cannot be obtained, and then accurately can not estimate dump energy.
Summary of the invention
The present invention, according to complex structure in existing power supply management system, controls difficulty large, should not realize high voltage and export, provide a kind of composite power source management system, realize high voltage, high-power output.
In order to solve the problem, the technical solution used in the present invention is: this system comprises main control module 1, storage battery is from control module 2, super capacitor is from control module 3, busbar voltage current monitoring sensor assembly 4, two-way DC/DC conversion module 5, internal bus 6, external bus 7, storage battery 8, super capacitor 9, DC bus 10, described storage battery is made up of from control submodule from control module 2 N number of storage battery, super capacitor is made up of from control submodule from control module 3 N number of super capacitor, storage battery 8 is made up of N number of batteries, super capacitor 9 is made up of N number of super capacitor group, described storage battery is from control module 2, super capacitor is from control module 3, two-way DC/DC conversion module 5 is by internal bus 6 and main control module 1 communication, main control module 1 is by external bus 7 and external equipment 11 communication, described storage battery is connected from control submodule is corresponding with batteries, N number of batteries is connected in series, then link on DC bus 10, described each batteries is at least 2 storage battery series connection and/or compose in parallel, described super capacitor is connected from control submodule is corresponding with super capacitor group, N number of super capacitor group is connected in series, then be connected with two-way DC/DC conversion module 5, then link on DC bus 10, described each super capacitor group is at least 2 super capacitor series connection and/or compose in parallel, described busbar voltage current monitoring sensor assembly 4 is electrically connected with main control module 1, N in above-mentioned symbol is 1, 2, N, N is natural number.
The further technical scheme that the present invention adopts is: described main control module 1 comprises busbar voltage current acquisition module 1.1, internal bus interface module 1.2, external bus interface module 1.3, SOC estimation block 1.4, security protection module 1.5, power module 1.6, master control module controls unit 1.7.
The further technical scheme that the present invention adopts is: described storage battery is from control module 2, comprise voltage signal acquisition module 2.1, temperature signal collection module 2.2, internal bus interface module 2.3, electric fan driver module 2.4, equalization control module 2.5, security protection module 2.6, power module 2.7, storage battery is from control submodule control unit 2.8, wherein voltage signal acquisition module 2.1, temperature signal collection module 2.2, internal bus interface module 2.3, electric fan driver module 2.4, equalization control module 2.5, security protection module 2.6, power module 2.7 is all electrically connected from controlling submodule control unit 2.8 with storage battery.
The further technical scheme that the present invention adopts is: described super capacitor is from control module 3, comprise voltage signal acquisition module 3.1, temperature signal collection module 3.2, internal bus interface module 3.3, electric fan driver module 3.4, power module 3.5, super capacitor from control submodule control unit 3.6, wherein voltage signal acquisition module 3.1, temperature signal collection module 3.2, internal bus interface module 3.3, electric fan driver module 3.4, power module 3.5 are all electrically connected from controlling submodule control unit 3.6 with super capacitor.
The present invention, compared with existing power supply management system, has the following advantages:
1. because N number of batteries is connected in series; then link on DC bus; N number of super capacitor group is connected in series; then be connected with two-way DC/DC conversion module, then link on DC bus, therefore not only can meet high voltage and export; and super capacitor group plays a role when system needs high-power output; protection storage battery, prevents its super-charge super-discharge, improves systematic function.
2. system only connects a two-way DC/DC converter after all super capacitor group series connection, also saves cost while decreasing power loss, controls simple.
Accompanying drawing explanation
Fig. 1 is a kind of structured flowchart of composite power source management system;
Fig. 2 is a kind of main control module structured flowchart of composite power source management system;
Fig. 3 is that a kind of storage battery of composite power source management system is from one of control submodule structured flowchart;
Fig. 4 is that a kind of super capacitor of composite power source management system is from one of control submodule structured flowchart.
Embodiment
Below in conjunction with the drawings and specific embodiments, content of the present invention is described in further details.
As shown in Figure 1, this system comprises main control module 1, storage battery from control module 2, super capacitor from control module 3, busbar voltage current monitoring sensor assembly 4, two-way DC/DC conversion module 5, internal bus 6, external bus 7, storage battery 8, super capacitor 9, DC bus 10.Wherein storage battery is the best with lithium-ions battery especially, but is not limited only to lithium-ions battery.
Main control module 1, storage battery carry out communication from control module 3, two-way DC/DC conversion module 5 by internal bus 6 from control module 2, super capacitor, and main control module 1 is by external bus 7 and external equipment 11 communication.Its peripheral equipment mainly refers to entire car controller, charger, panel board etc.
Storage battery is connected from control submodule 1 with storage battery 1, and storage battery is connected from control submodule 2 with batteries 2, and by that analogy, storage battery is connected from control submodule N with batteries N.Storage battery controls batteries from control submodule and can gather batteries data.N number of batteries is connected in series, and then links on DC bus 10, is wherein connected in series between each cell batteries in batteries.
Super capacitor is connected from control submodule 1 with super capacitor 1, and super capacitor is connected from control submodule 2 with super capacitor group 2, and by that analogy, super capacitor is connected from control submodule N with super capacitor group N.Super capacitor controls super capacitor group from control submodule and can gather super capacitor group data, and N number of super capacitor group is connected in series, and is then connected with two-way DC/DC conversion module 5, then links on DC bus 10.Wherein be connected in series between each monomer super capacitor in super capacitor group.
Busbar voltage current monitoring sensor assembly 4 is electrically connected with main control module 1, and can by main control module 1 image data, and DC bus two ends are connected with charger by charging inlet and are connected to feeding electric motors with electric machine controller by loading interfaces.
Two-way DC/DC conversion module 5 controls by main control module 1, or controls from control submodule 1 by super capacitor, or controls from control submodule 2 by super capacitor, by that analogy, or controls from control submodule N by super capacitor.
As shown in Figure 2, main control module 1 comprises busbar voltage current acquisition module 1.1, internal bus interface module 1.2, external bus interface module 1.3, SOC estimation block 1.4, security protection module 1.5, power module 1.6, master control module controls unit 1.7.
Master control module controls unit 1.7 receives the bulk temperature of each cell batteries that storage battery sends from control module 2, super capacitor from control module 3 and each monomer super-capacitor voltage, each batteries and each super capacitor group total voltage and each casing by internal bus interface module 1.2.Monitor bus total voltage and total current by busbar voltage current acquisition module 1.1, when receiving busbar voltage or electric current exceedes secure threshold, by control relay, emergency treatment being carried out to system by security protection module 1.5, guaranteeing system safety.And the total voltage utilizing real-time reception to arrive and total current data, in conjunction with other parameter values, carry out analytical estimating by SOC estimation block 1.4 pairs of SOC value.Power module 1.6 is for master control module controls unit 1.7 provides stable power supply.
As shown in Figure 3, storage battery comprises voltage signal acquisition module 2.1, temperature signal collection module 2.2, internal bus interface module 2.3, electric fan driver module 2.4, equalization control module 2.5, security protection module 2.6, power module 2.7, storage battery from control submodule control unit 2.8 from control submodule.
Voltage signal acquisition module 2.1 and temperature signal collection module 2.2 are used for gathering the bulk temperature of each cell batteries and each batteries total voltage and each casing, and carry out communication by internal bus interface module 2.3 and main control module 1.When temperature exceedes setting threshold, electric fan driver module 2.4 drives electric fan to be casing cooling.Equalization control module 2.5 is used for ensureing the equilibrium between cell, prevents batteries from occurring overcharge and overdischarge phenomenon, with increasing storage battery service life.In order to prevent batteries from causing system failure because of large voltage and big current, security protection module 2.6 will carry out open circuit by control relay and realize emergency safeguard measure.Power module 2.7 provides power supply from control submodule control unit 2.8 for storage battery.
As shown in Figure 4, super capacitor, from control submodule, comprises voltage signal acquisition module 3.1, temperature signal collection module 3.2, internal bus interface module 3.3, electric fan driver module 3.4, power module 3.5, super capacitor from control submodule control unit 3.6.
Voltage signal acquisition module 3.1 and temperature signal collection module 3.2 are used for gathering the bulk temperature of each monomer super capacitor and each super capacitor group total voltage and each casing, and carry out communication by internal bus interface module 3.3 and master control module controls unit 1.7.When temperature exceedes setting threshold, electric fan driver module 2.4 drives electric fan to be casing cooling.Power module 3.5 is for super capacitor provides stable power supply from control submodule control unit 3.6.
Claims (4)
1. a composite power source management system, it is characterized in that: this system comprises main control module (1), storage battery is from control module (2), super capacitor is from control module (3), busbar voltage current monitoring sensor assembly (4), two-way DC/DC conversion module (5), internal bus (6), external bus (7), storage battery (8), super capacitor (9), DC bus (10), described storage battery is made up of from control submodule from control module (2) N number of storage battery, super capacitor is made up of from control submodule from control module (3) N number of super capacitor, storage battery (8) is made up of N number of batteries, super capacitor (9) is made up of N number of super capacitor group, described storage battery is from control module (2), super capacitor is from control module (3), two-way DC/DC conversion module (5) is by internal bus (6) and main control module (1) communication, main control module (1) is by external bus (7) and external equipment (11) communication, described storage battery is connected from control submodule is corresponding with batteries, N number of batteries is connected in series, then link on DC bus (10), described each batteries is at least 2 storage battery series connection and/or compose in parallel, described super capacitor is connected from control submodule is corresponding with super capacitor group, N number of super capacitor group is connected in series, then be connected with two-way DC/DC conversion module (5), then link on DC bus (10), described each super capacitor group is at least 2 super capacitor series connection and/or compose in parallel, described busbar voltage current monitoring sensor assembly (4) is electrically connected with main control module (1), N in above-mentioned symbol is 1, 2, N, N is natural number.
2. a kind of composite power source management system according to claim 1, is characterized in that: described main control module (1) comprises busbar voltage current acquisition module (1.1), internal bus interface module (1.2), external bus interface module (1.3), SOC estimation block (1.4), security protection module (1.5), power module (1.6), master control module controls unit (1.7).
3. a kind of composite power source management system according to claim 1, it is characterized in that: described storage battery is from control submodule, comprise voltage signal acquisition module (2.1), temperature signal collection module (2.2), internal bus interface module (2.3), electric fan driver module (2.4), equalization control module (2.5), security protection module (2.6), power module (2.7), storage battery is from control submodule control unit (2.8), wherein voltage signal acquisition module (2.1), temperature signal collection module (2.2), internal bus interface module (2.3), electric fan driver module (2.4), equalization control module (2.5), security protection module (2.6), power module (2.7) is all electrically connected from controlling submodule control unit (2.8) with storage battery.
4. a kind of composite power source management system according to claim 1, it is characterized in that: described super capacitor is from control submodule, comprise voltage signal acquisition module (3.1), temperature signal collection module (3.2), internal bus interface module (3.3), electric fan driver module (3.4), power module (3.5), super capacitor is from control submodule control unit (3.6), wherein voltage signal acquisition module (3.1), temperature signal collection module (3.2), internal bus interface module (3.3), electric fan driver module (3.4), power module (3.5) is all electrically connected from controlling submodule control unit (3.6) with super capacitor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410537502.8A CN104300660A (en) | 2014-10-13 | 2014-10-13 | Composite power supply management system |
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| CN201410537502.8A CN104300660A (en) | 2014-10-13 | 2014-10-13 | Composite power supply management system |
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| CN104300660A true CN104300660A (en) | 2015-01-21 |
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| CN201410537502.8A Pending CN104300660A (en) | 2014-10-13 | 2014-10-13 | Composite power supply management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183848A (en) * | 2016-07-10 | 2016-12-07 | 安庆新景技电子科技有限公司 | Vehicle-mounted super capacitor controls device |
| CN110412477A (en) * | 2019-06-27 | 2019-11-05 | 广东电网有限责任公司佛山供电局 | A kind of control system of battery and super capacitor hybrid energy-storing |
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| CN1835328A (en) * | 2006-04-10 | 2006-09-20 | 中国科学院电工研究所 | Hybrid accumulator for elevator and control method thereof |
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| CN203747469U (en) * | 2014-03-06 | 2014-07-30 | 江苏大学 | Composite power supply for hybrid electric vehicles with adaptive filter power split control |
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2014
- 2014-10-13 CN CN201410537502.8A patent/CN104300660A/en active Pending
Patent Citations (7)
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| CN1835328A (en) * | 2006-04-10 | 2006-09-20 | 中国科学院电工研究所 | Hybrid accumulator for elevator and control method thereof |
| JP3176361U (en) * | 2009-06-15 | 2012-06-21 | ホン チャウ，ハク | Fault tolerant module battery management system |
| JP2012115031A (en) * | 2010-11-24 | 2012-06-14 | Toyota Motor Corp | Vehicle power supply system |
| CN203301211U (en) * | 2013-06-14 | 2013-11-20 | 江苏大学 | A composite power supply for hybrid electric vehicles based on an improved filter power dividing control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183848A (en) * | 2016-07-10 | 2016-12-07 | 安庆新景技电子科技有限公司 | Vehicle-mounted super capacitor controls device |
| CN110412477A (en) * | 2019-06-27 | 2019-11-05 | 广东电网有限责任公司佛山供电局 | A kind of control system of battery and super capacitor hybrid energy-storing |
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