CN103730677A - Intelligent control system of vanadium redox battery - Google Patents
Intelligent control system of vanadium redox battery Download PDFInfo
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- CN103730677A CN103730677A CN201410037137.4A CN201410037137A CN103730677A CN 103730677 A CN103730677 A CN 103730677A CN 201410037137 A CN201410037137 A CN 201410037137A CN 103730677 A CN103730677 A CN 103730677A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04992—Processes for controlling fuel cells or fuel cell systems characterised by the implementation of mathematical or computational algorithms, e.g. feedback control loops, fuzzy logic, neural networks or artificial intelligence
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Abstract
The invention relates to an intelligent control system of a vanadium redox battery. The intelligent control system comprises a battery pile and a control device, wherein the positive end and negative end of the battery pile are respectively connected with a positive electrode electrolyte tank and a negative electrode electrolyte tank by virtue of a pipeline and an electrolyte circulating pump to ensure that an electrolyte circularly flows between the positive electrode electrolyte tank and the negative electrode electrolyte tank and the battery pile; the control device comprises a power supply management module, a control module, a communication module, a signal processing module and a power unit; the input end of the power supply management module is connected with the battery pile, the output end of the power supply management module is connected with the control module and the signal processing module; the input end of the signal processing module is connected with the battery pile, the output end of the signal processing module is connected with the control module; the control module is connected with the power unit, and also connected with the communication module used for communicating with outside. According to the intelligent control system, by virtue of an independent design of all modules, the system expansion and maintenance are facilitated, the running condition of the battery pile can be monitored and controlled in real time, the stability and the reliability can be effectively improved, and thus the intelligent control system adapts to arrangement of vanadium redox batteries of different specifications.
Description
Technical field
The present invention relates to vanadium flow battery, relate in particular to a kind of vanadium flow battery intelligent control system.
Background technology
At present, vanadium flow battery is one of state-of-the art technology in large-capacity battery field.Vanadium flow battery is to make both positive and negative polarity electrolyte flow between two half-cells under external electrolyte circulating pump effect, completes the conversion of electric energy and chemical energy, by the mode of monocell series and parallel connections, forms high-power jumbo battery pile.Vanadium cell is electrochemical reaction appts, its operating state changes at any time, in order to meet load to power of battery requirement, offer the stable power supply of load performance, vanadium flow battery intelligent control system need to be monitored in real time to key parameter, as stack voltage, electric current, temperature, flow of electrolyte etc., with the operation that guarantees that vanadium cell is reliable, effective and safe.
China starts late to the research and development of vanadium cell, vanadium flow battery industry does not also have the standard of Erecting and improving, the model specification of the vanadium flow battery of each research and development unit research and development is different, need to configure exclusive a set of vanadium flow battery control system, there is following problem in these control system: (1) control system versatility is not strong, and each research and development unit needs to research and develop control system; (2) do not there is visualized operation, control system complexity, manipulation utilization personnel be difficult for grasping, and processing speed is slower, and especially state conversion time is longer; (3) do not have system autodiagnosis function and debug function, be difficult to judge internal system fault or external fault, system reliability is reduced, Check System problem time is long; (4) system configuration underaction is not strong to vanadium flow battery heap product diversification adaptability.
Summary of the invention
In order to solve these problems that exist in prior art, the invention provides a kind of vanadium flow battery intelligent control system, this system can adapt to the vanadium flow battery of all size, and installation and maintenance is convenient, can effectively improve stability and the reliability of system.
The technical solution used in the present invention is:
A kind of vanadium flow battery intelligent control system, comprise battery pile and a control cubicle, the positive and negative end of this battery pile connects anode electrolyte tank and negative pole electrolyte tank by pipeline, electrolyte circulating pump respectively, and electrolyte can be circulated between positive and negative electrode electrolyte tank and battery pile; Described control cubicle includes power management module, control module, communication module, signal processing module and power unit; The input of this power management module connects battery pile, output link control module, signal processing module; This signal processing module input connects battery pile, output link control module; This control module is connected with power unit, and this control module also connect for the communication module of extraneous communication.
Further being improved to of such scheme, described signal processing module is connected with battery pile by sensor assembly, and this sensor assembly is arranged in battery pile.
Further being improved to of such scheme, described control module also connects human-computer interaction interface by input/output bus, this human-computer interaction interface is provided with manual/auto switching push button, run indicator, warning light, status indicator lamp, electrolyte circulating pump operation conditions picture, realize visualized operation, floor manager can get information about battery pile operating condition in real time, and this control system can realize manually by switching push button, the conversion automatically, between debugging, four kinds of operational modes of diagnosis.
Further being improved to of such scheme, described control module is connected with Industrial PC Computer by communication module.
Described power management module external AC power supply and battery pile DC power supply, and two power supplys detect switching, the required all size power supply of output control equipment automatically.
Described control module is comprised of DSP and PLC and peripheral component, receive the digital signal of signal processing module, use internal algorithm to its logical operation, calculate the real-time working parameter such as SOC value, power, efficiency of battery pile and be sent to human-computer interaction interface and Industrial PC Computer shows, output control signal and logical variable are adjusted battery operation operating mode to power unit.
Described signal processing module adopts single-chip microcomputer make front-end collection controller and use multiplexing technique, by the signal of telecommunication filter shape of sensor assembly output, the analog electrical signal after adjustment is converted into the receptible digital signal of control module by A/D convertor circuit.
Described sensor assembly is converted into analog electrical signal by tested physical signalling and passes to signal processing module, and this sensor assembly comprises stack voltage transducer, single battery voltage transducer, stack current transducer, battery pile temperature sensor, electrolyte temperature transducer, anode electrolyte pressure sensor, anode electrolyte flow sensor, negative pole electrolyte pressure transducer, negative pole flow of electrolyte transducer.
Described power unit comprises and drives the frequency converter of electrolyte circulating pump and the electromagnetically operated valve of pipeline control, accepts the control signal that control module is sent, and by regulating frequency converter output, thereby regulates circulate electrolyte speed pump operation, fan operation speed; By electromagnetic valve for adjusting, open ratio and regulate pipeline flow of electrolyte.
Described communication module is responsible for changing communication signal and is transmitted stipulations, the transmission of communication smoothly and signal between assurance control module, Industrial PC Computer.
The all modules of vanadium flow battery intelligent control system of the present invention are all independent design, can be configured to different schemes and select for user, as:
Control module, power management module, signal processing module, communication module, power unit are connected to basic module, can form base control system unit, and the vanadium flow battery of independent operating is carried out to Based Intelligent Control;
Control module, power management module, signal processing module, communication module, power unit, human-computer interaction interface, can form visual control system unit, and floor manager can observe battery operated present situation in scene intuitively;
More than two base control system unit or visual control system unit link together by communication module, form complicated control system; Communication module is connected to Industrial PC Computer, and user can telemonitoring control system, and realizes operation history data record and preserve and printing function;
User can, according to self-demand custom-built system, also can change control strategy simultaneously, starts the module adaptive load of different capacity under different operating modes.
The invention has the beneficial effects as follows, the present invention is adapted to the vanadium flow battery of any specification, easy for installation, simple in structure, control stable, by human-computer interaction interface, can monitor and adjust relevant parameters, adapt to the requirement of various operating conditions, the operation that Reliable guarantee cell safety is stable, reaches ideal battery performance.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of vanadium flow battery intelligent control system of the present invention.
Fig. 2 is the electric scheme of installation of vanadium flow battery intelligent control system of the present invention.
Embodiment
Below in conjunction with Fig. 1, Fig. 2, technical solution of the present invention is elaborated.
As shown in Figure 1 and Figure 2, vanadium flow battery intelligent control system one embodiment of the present invention comprises battery pile 01 and a control cubicle 23.The positive and negative end of this battery pile 01 connects anode electrolyte tank A and negative pole electrolyte tank B by pipeline 21 respectively, in pipeline 21, be connected in series electrolyte circulating pump 02,10 and heat exchanger 13,17, electrolyte can be circulated between positive and negative electrode electrolyte tank A, B and battery pile 01.This control cubicle 23 includes power management module 21, control module 11, communication module 71, signal processing module 51 and power unit 31.The input of this power management module 21 connects the load end of battery pile 01, output link control module 11, signal processing module 51.These signal processing module 51 inputs connect battery pile 01, output link control module 11; This control module is connected with power unit 31 through I/O module, and this control module 11 also connects through output input bus the communication module 71 being used for extraneous communication.In the present embodiment, signal processing module 51 is connected with battery pile 01 by sensor assembly 41, and this sensor assembly 41 is arranged in battery pile 01.This control module 11 also connects human-computer interaction interface 61 by input/output bus, this human-computer interaction interface 61 is provided with manual/auto switching push button, run indicator, warning light, status indicator lamp, electrolyte circulating pump operation conditions picture, and the present invention can realize manually by switching push button, the conversion automatically, between debugging, four kinds of operational modes of diagnosis.This control module 11 is also connected with Industrial PC Computer 81 by communication module 71.
This sensor assembly 41 comprises stack voltage transducer 20, single battery voltage transducer (not shown), stack current transducer 15, battery pile temperature sensor 19, electrolyte temperature transducer (03,18,09,12), anode electrolyte pressure sensor 16, anode electrolyte flow sensor 04, negative pole electrolyte pressure transducer 14, negative pole flow of electrolyte transducer 08.First signal processing module 51 carries out filter shape processing by sensor signal, and signal after treatment is by gathering Single-chip Controlling A/D conversion order and speed, and the digital quantity after conversion is passed to control module 11 by serial data bus.Signal input side is provided with overvoltage crowbar and multiplex electronics.
Power unit 31 comprises the frequency converter that drives electrolyte circulating pump (02,10), heat exchanger (13,17) and the electromagnetically operated valve (05,07) of realizing pipeline control, the signal that receives control module 11 is adjusted, by regulating frequency converter output frequency and voltage, regulate electrolyte circulating pump (02, the 10) speed of service, fan operation speed; By electromagnetic valve for adjusting (05,07), open ratio and regulate pipeline flow of electrolyte, thereby change vanadium flow battery operating condition, battery operation operating mode feeds back to vanadium flow battery intelligent control system by sensor measurement again, thereby forms closed-loop regulating system.
Claims (9)
1. a vanadium flow battery intelligent control system, comprise battery pile (01) and a control appliance, it is characterized in that: the positive and negative end of described battery pile connects anode electrolyte tank and negative pole electrolyte tank by pipeline, electrolyte circulating pump respectively, and electrolyte can be circulated between positive and negative electrode electrolyte tank and battery pile; Described control appliance includes power management module (21), control module (11), communication module (71), signal processing module (51) and power unit (31); The input of this power management module connects battery pile, output link control module, signal processing module; This signal processing module input connects battery pile, output link control module; This control module is connected with power unit, and this control module also connect for the communication module of extraneous communication.
2. vanadium flow battery intelligent control system according to claim 1, is characterized in that: described signal processing module is connected with battery pile by sensor assembly, this sensor assembly is arranged in battery pile.
3. vanadium flow battery intelligent control system according to claim 1, it is characterized in that: described control module also connects human-computer interaction interface by input/output bus, this human-computer interaction interface is provided with manual/auto switching push button, run indicator, warning light, status indicator lamp, electrolyte circulating pump operation conditions picture, by switching push button, can realize the conversion of system manually, automatically, between debugging, four kinds of operational modes of diagnosis.
4. vanadium flow battery intelligent control system according to claim 1, is characterized in that: described control module is connected with Industrial PC Computer by communication module.
5. vanadium flow battery intelligent control system according to claim 1, is characterized in that: described power management module (21) external AC power supply and battery pile DC power supply, and two power supplys detect switching, the required all size power supply of output control equipment automatically.
6. vanadium flow battery intelligent control system according to claim 4, it is characterized in that: described control module (11) is comprised of DSP and PLC and peripheral component, receive the digital signal of signal processing module (51), use internal algorithm to its logical operation, calculate the real-time working parameter of battery pile and be sent to human-computer interaction interface (61) and Industrial PC Computer (81) demonstration, output control signal and logical variable are adjusted battery operation operating mode to power unit (31).
7. vanadium flow battery intelligent control system according to claim 2, it is characterized in that: described signal processing module (51) adopts single-chip microcomputer to make front-end collection controller, by the signal of telecommunication filter shape of sensor assembly (41) output, the analog electrical signal after adjustment is converted into the receptible digital signal of control module (11) by A/D convertor circuit.
8. vanadium flow battery intelligent control system according to claim 2, is characterized in that: described sensor assembly (41) comprises stack voltage transducer, single battery voltage transducer, stack current transducer, battery pile temperature sensor, electrolyte temperature transducer, anode electrolyte pressure sensor, anode electrolyte flow sensor, negative pole electrolyte pressure transducer, negative pole flow of electrolyte transducer.
9. vanadium flow battery intelligent control system according to claim 1, it is characterized in that: described power unit (31) comprises and drives the frequency converter of electrolyte circulating pump and the electromagnetically operated valve of pipeline control, accept the control signal that control module (11) is sent, by regulating frequency converter output, thereby regulate circulate electrolyte speed pump operation, fan operation speed; By electromagnetic valve for adjusting, open ratio and regulate pipeline flow of electrolyte.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103985893A (en) * | 2014-06-01 | 2014-08-13 | 上海采科实业有限公司 | Automatic controller for intermittent work of liquid flow pump of lithium ion flow battery |
| CN104113115A (en) * | 2014-07-17 | 2014-10-22 | 中国科学院金属研究所 | Vanadium battery management system and achieving method thereof |
| CN104132691A (en) * | 2014-07-31 | 2014-11-05 | 国网上海市电力公司 | Operating parameter acquisition circuit of flow battery charging and discharging system |
| CN105742668A (en) * | 2014-12-09 | 2016-07-06 | 中国科学院大连化学物理研究所 | Electrolyte flow optimization control method of all-vanadium redox flow battery system |
| CN106299493A (en) * | 2015-05-18 | 2017-01-04 | 恩力能源科技（南通）有限公司 | A kind of recoverable electrochemical energy storing device |
| CN106537675A (en) * | 2014-07-25 | 2017-03-22 | 住友电气工业株式会社 | Electrolytic solution circulation type battery |
| CN107168148A (en) * | 2017-04-18 | 2017-09-15 | 杭州金秋汽车储能科技有限公司 | A kind of lithium battery data acquisition device and system |
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| CN102315465A (en) * | 2011-08-04 | 2012-01-11 | 深圳市金钒能源科技有限公司 | Vanadium redox flow battery control system based on PLC, control method and control device thereof |
| CN102427140A (en) * | 2011-12-21 | 2012-04-25 | 东方电气集团东方汽轮机有限公司 | Control system for all-vanadium redox flow energy storage cell stack |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985893A (en) * | 2014-06-01 | 2014-08-13 | 上海采科实业有限公司 | Automatic controller for intermittent work of liquid flow pump of lithium ion flow battery |
| CN104113115A (en) * | 2014-07-17 | 2014-10-22 | 中国科学院金属研究所 | Vanadium battery management system and achieving method thereof |
| CN104113115B (en) * | 2014-07-17 | 2017-02-15 | 中国科学院金属研究所 | Vanadium battery management system and achieving method thereof |
| CN106537675A (en) * | 2014-07-25 | 2017-03-22 | 住友电气工业株式会社 | Electrolytic solution circulation type battery |
| CN104132691A (en) * | 2014-07-31 | 2014-11-05 | 国网上海市电力公司 | Operating parameter acquisition circuit of flow battery charging and discharging system |
| CN105742668A (en) * | 2014-12-09 | 2016-07-06 | 中国科学院大连化学物理研究所 | Electrolyte flow optimization control method of all-vanadium redox flow battery system |
| CN106299493A (en) * | 2015-05-18 | 2017-01-04 | 恩力能源科技（南通）有限公司 | A kind of recoverable electrochemical energy storing device |
| CN106299493B (en) * | 2015-05-18 | 2019-07-12 | 恩力能源科技（南通）有限公司 | A kind of recoverable electrochemical energy storing device |
| US10797300B2 (en) | 2015-05-18 | 2020-10-06 | Enpower Energy Corp. | Repairable electrochemical energy storage device |
| CN107168148A (en) * | 2017-04-18 | 2017-09-15 | 杭州金秋汽车储能科技有限公司 | A kind of lithium battery data acquisition device and system |
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Application publication date: 20140416 |