CN102427242B - Lithium battery energy storage monitoring system - Google Patents
Lithium battery energy storage monitoring system Download PDFInfo
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- CN102427242B CN102427242B CN201010576823.0A CN201010576823A CN102427242B CN 102427242 B CN102427242 B CN 102427242B CN 201010576823 A CN201010576823 A CN 201010576823A CN 102427242 B CN102427242 B CN 102427242B
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 127
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 238000004146 energy storage Methods 0.000 title claims abstract description 85
- 238000012544 monitoring process Methods 0.000 title claims abstract description 80
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 6
- 150000002641 lithium Chemical class 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a lithium battery energy storage monitoring system which comprises a battery energy storage monitoring system, a lithium battery energy storage monitoring unit connected with the battery energy storage monitoring system, a lithium battery management system connected with the lithium battery energy storage monitoring unit through a serial port bus, a plurality of lithium battery packs connected with the lithium battery management system in a circuit mode, and a power grid access device connected with the lithium battery energy storage monitoring unit through a serial port bus, wherein the power grid access device is connected with an external power grid system. By the lithium battery energy storage monitoring system, a power management department can master battery energy storage data and information immediately and issue various charging and discharging control commands and power grid information timely, and electric energy can be transmitted to a power grid at the charge peak of the power grid; by the mode, loss of a system power transmission network is reduced, and peak and off-peak load regulation is performed on charges, so that economic benefits are obtained.
Description
Technical field
The present invention relates to a kind of battery energy storage monitoring technique, be specifically related to a kind of lithium battery energy storage monitoring system.
Background technology
At present, China Power load growth is rapid, there is the contradiction of power supply and demand in many areas, particularly during meeting the summer in kurtosis winter, peak load is often subject to the restriction of generating capacity and power grid security, need by area and time reasonable arrangement electric load, allotment supply of electric power is to make full use of electric energy, alleviate electrical network pressure and battery energy storage system is one of important component part of current network system, and battery energy storage system needs the excellent means control of effective management, control, supervision, dispatching of power netwoks operation.
Summary of the invention
The invention provides a kind of lithium battery energy storage monitoring system, make more efficiency, stable of operation of power networks, improve the efficiency of management simultaneously, reduce the loss of system electric power transmission network, obtain economic benefit.
For achieving the above object, the invention provides a kind of lithium battery energy storage monitoring system, it is characterized in that, this system comprises battery energy storage supervisory control system, the lithium battery energy storage battery monitoring unit being connected with this battery energy storage supervisory control system network, the lithium battery management system being connected by serial interface bus with this lithium battery energy storage battery monitoring unit, the some lithium battery groups that are connected with this lithium battery management system circuit, and the electrical network access device being connected by serial interface bus with this lithium battery energy storage battery monitoring unit, this electrical network access device connects external network system.
Above-mentioned lithium battery energy storage battery monitoring unit comprises mainboard module, the memory module, mixed-media network modules mixed-media and the device interface module that are connected with this mainboard module circuit respectively, and the control module being connected with this device interface module circuit; Device interface module is also connected with mixed-media network modules mixed-media circuit; Mainboard module also circuit is connected with external input-output equipment.
Above-mentioned lithium battery management system comprises main control module, the display screen being connected with this main control module communication respectively and several sub-control modules, the contactor and the power module that are connected with this main control module circuit respectively, with the balanced conversion electric power that this power module circuitry connects, this equilibrium conversion electric power is also connected with several above-mentioned sub-control modular circuits respectively.
Between above-mentioned contactor and power module, circuit is connected; Between this contactor and power module, be also provided with starting switch; Between this starting switch and control module, communication is connected.
Above-mentioned main control module is also connected with electrical network access device circuit; Each sub-control modular circuit connects a lithium battery group.
Between each above-mentioned lithium battery group, series winding connects, and accesses electrical network access device by contactor.
Above-mentioned power module comprises two AC power that are connected in parallel and DC power supply.
When lithium battery energy storage monitoring system is normally worked, in real time with monitoring flow range monitoring lithium battery group, sub-control module detects in real time temperature information and the information of voltage of lithium battery group and transfers to main control module, main control module transfers to display screen by monitoring information and shows, and transmit it to device interface module, monitor signal is sent to mainboard module and mixed-media network modules mixed-media by device interface module, and mainboard module is transferred to input-output equipment by monitoring information and shows, is sent to storage mould simultaneously and preserves.Monitor signal is uploaded to battery energy storage supervisory control system by mixed-media network modules mixed-media, the battery pack monitoring information under unified management energy-storage system.
When lithium battery group is charged, battery energy storage supervisory control system sends charging instruction to lithium battery energy storage battery monitoring unit, charging instruction is sent to lithium battery management system, electrical network access device and control module by lithium battery energy storage battery monitoring unit, lithium battery group and the conducting of electrical network access device.Main control module sends charging to electrical network access device and enables, and electrical network access device charges to lithium battery group by its external equipment.In the time of charging, the excessively above-mentioned monitoring flow process of the information exchange of lithium battery group transfers to battery energy storage supervisory control system unified monitoring.
Lithium battery group is during to mains supply, battery energy storage supervisory control system sends electric discharge instruction to lithium battery energy storage battery monitoring unit, electric discharge instruction is sent to lithium battery management system, electrical network access device and control module by lithium battery energy storage battery monitoring unit, conducting between lithium battery group and electrical network access device.Main control module sends electric discharge to electrical network access device and enables, and electrical network access device control lithium battery group is carried out emergency service to the network system of civil power.In the time of electric discharge, the excessively above-mentioned monitoring flow process of the information exchange of lithium battery group transfers to battery energy storage supervisory control system unified monitoring.
The energy storage monitor system of lithium battery energy storage monitoring system of the present invention and prior art is compared, its advantage is, the present invention has illustrated a kind of supervisory control system of battery energy storage system, be convenient to electric administrative department and grasp in time battery energy storage electric weight, battery charging and discharging ability, the various battery energy storage data such as network load and information, information is carried out to Treatment Analysis, formation control strategy, issue in time the various control commands that discharge and recharge, electric network information, in the time of network load peak value to electrical network transmission of electric energy, this mode contributes to reduce the loss of system electric power transmission network, load is implemented to peak load shifting, thereby the economic benefit of obtaining.And can be policymaker and carry out medium-term and long-term macro-management, planning, scheduling foundation is provided.
Accompanying drawing explanation
Fig. 1 is the general module schematic diagram of lithium battery energy storage monitoring system of the present invention;
Fig. 2 is the circuit module figure of the lithium battery energy storage battery monitoring unit of lithium battery energy storage monitoring system of the present invention;
Fig. 3 is the circuit module figure of the lithium battery management system of lithium battery energy storage monitoring system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, the present invention has illustrated a kind of lithium battery energy storage monitoring system, this system comprises battery energy storage supervisory control system 1, the lithium battery energy storage battery monitoring unit 2 being connected with this battery energy storage supervisory control system 1 network, the lithium battery management system 3 being connected by RS485 serial interface bus with this lithium battery energy storage battery monitoring unit 2, the some lithium battery groups 4 that are connected with these lithium battery management system 3 circuit, and the electrical network access device 5 being connected by RS485 serial interface bus with this lithium battery energy storage battery monitoring unit 2, electrical network access device 5 connects external utility grid system.The information of lithium battery energy storage battery monitoring unit 2 to the each lithium battery management system 3 of lower collection and electrical network access device 5, and upload to battery energy storage supervisory control system 1, forward the control command of battery energy storage supervisory control system 1 simultaneously.Lithium battery management system 3 is responsible for gathering the service data such as voltage, temperature of each lithium battery group 4, to being uploaded to lithium battery energy storage battery monitoring unit 2 after the data processing gathering.
As shown in Figure 2, lithium battery energy storage battery monitoring unit 2 comprises mainboard module 21, the memory module 22, mixed-media network modules mixed-media 23 and the device interface module 24 that are connected with these mainboard module 21 circuit respectively, and the control module 25 being connected with these device interface module 24 circuit.Device interface module 24 also and between mixed-media network modules mixed-media 23 circuit be connected, mainboard module 21 is gone back circuit and is connected with external input-output equipment 26.Mainboard module 21 is core cells of lithium battery energy storage battery monitoring unit 2, each functional module is linked to be to an entirety, and in real time communication to input-output equipment 26, this input-output equipment 26 comprises display device and command input device, by display device, information is shown to user, respond user's various operations simultaneously by command input device, control command is transferred to mainboard module 21.Memory module 22 adopts SSD(electric board), complete the storage of parameter and historical data.Mixed-media network modules mixed-media 23 is realized lithium battery energy storage battery monitoring unit 2 by the interconnected communication of LAN/WAN and long-range other system.Control module 25 adopts PLC system, and it completes the operation control of protection and remote control for controlling the switch control of lithium battery management system 3 inside.Device interface module 24 provides different interconnecting interfaces, realize the access of different intelligent equipment, its inside is provided with stipulations storehouse, can realize the function of different agreement conversion, device interface module 24 connects lithium battery management system 3, send and control or arrange order to lithium battery management system 3, and receive the detection information to lithium battery group 4 being sent by lithium battery management system 3.Lithium battery energy storage battery monitoring unit 2 also comprises a power module, and it connects 220V(AC) or 110V(DC), provide power supply to the each functional module in lithium battery energy storage battery monitoring unit 2.
As shown in Figure 3, lithium battery management system 3 comprises the main control module 31 being connected by RS485 serial interface bus with device interface module 24, display screen 32 and several sub-control modules 33 of being connected by wire communication with this main control module 31 respectively, the contactor 34 and the power module 35 that are connected with main control module 31 circuit respectively, the balanced conversion electric power 36 connecting with power module 35 circuit, this equilibrium conversion electric power 36 is also connected with several sub-control module 33 circuit respectively, the 220V alternating current of input or 110V direct current are divided into some circuits by balanced conversion electric power 36, power to each sub-control module 33 by equilibrium line.Main control module 31 is also connected with electrical network access device 5 circuit, sends that charging enables, discharging enables, and carries out communication transfer by RS485 serial ports simultaneously to electrical network access device 5.Contactor 34 also and between power module 35 circuit be connected, between contactor 34 and power module 35, be also provided with starting switch 37, between this starting switch 37 and the control module 25 of lithium battery energy storage battery monitoring unit 2, communication is connected, and control module 25 is controlled the folding of starting switch 37.Power module 35 provides power supply to main control module 31, balanced conversion electric power 36, contactor 34 in lithium battery management system 3.It comprises two AC power that are connected in parallel and DC power supply, AC power receives external 220V alternating current, change and export the direct voltage of 24V, DC power supply receives external 110V direct current, change and export the direct voltage of 24V, when assurance system Yi road power supply has a power failure, can change to another road, improve the reliability of system.
Each sub-control module 33 is connected by temperature acquisition line and voltage acquisition line circuit with a lithium battery group 4, and sub-control module 33 gathers temperature and the voltage of lithium battery group 4, and by communication to main control module 31.Between these several lithium battery groups 4, series winding connects, and accesses electrical network access device 5 by contactor 34.In accessing the circuit of electrical network access device 5, lithium battery group 4 is also connected with safeties and the voltameter of a 200A.When electric current in the circuit of lithium battery group 4 exceedes 200A, safeties start and open circuit, the safety of protection lithium battery group 4, electrical network access device 5 and utility grid system.Voltameter connects main control module 31 by wire communication, records the electric weight that lithium battery group 4 is exported and charged, and is sent to main control module 31.
The operation workflow of lithium battery energy storage monitoring system of the present invention is below described:
When lithium battery energy storage monitoring system of the present invention is normally worked, its monitoring flow process is monitored lithium battery group 4 in real time, sub-control module 33 detects in real time temperature information and the information of voltage of lithium battery group 4 and transfers to main control module 31, main control module 31 transfers to display screen 32 by monitoring information and shows, and transmit it to device interface module 24 by RS485 serial interface bus, monitor signal is sent to mainboard module 21 and mixed-media network modules mixed-media 23 by device interface module 24, monitoring information is transferred to input-output equipment 26 demonstration information by mainboard module 21, be sent to memory module 22 as storage of history data P monitoring information simultaneously.Mixed-media network modules mixed-media 23 uploads to battery energy storage supervisory control system 1 by network by monitor signal, the battery pack monitoring information under unified management energy-storage system.
In the time that lithium battery group 4 is charged, battery energy storage supervisory control system 1 sends charging instruction to lithium battery energy storage battery monitoring unit 2, mixed-media network modules mixed-media 23 receives charging instruction and transfers to device interface module 24, charging instruction is sent to lithium battery management system 3, electrical network access device 5 and control module 25 by device interface module 24, control module 25 is controlled starting switch 37 closures, contactor 34 closures of lithium battery management system 3, make conducting between lithium battery group 4 and electrical network access device 5.Main control module 31 sends charging to electrical network access device 5 and enables, and electrical network access device 5 for example, charges to lithium battery group 4 by its external equipment (: charger or electrical network).In the time of charging, voltameter detects the charge capacity of lithium battery group 4, temperature information and the information of voltage of detection lithium battery group 4 send to main control module 31 to sub-control module 33 in real time simultaneously, main control module 31 is sent to display screen 32 by the monitoring information of lithium battery group 4 and charge capacity information and shows, be sent to lithium battery energy storage battery monitoring unit 2 simultaneously, by above-mentioned monitoring flow process, the monitoring information unified monitoring when lithium battery group 4 is charged.
When needs lithium battery group 4 is during to mains supply, battery energy storage supervisory control system 1 sends electric discharge instruction to lithium battery energy storage battery monitoring unit 2, mixed-media network modules mixed-media 23 receives electric discharge command to device interface module 24, electric discharge instruction is sent to lithium battery management system 3, electrical network access device 5 and control module 25 by device interface module 24, control module 25 is controlled starting switch 37 closures, contactor 34 closures of lithium battery management system 3, make conducting between lithium battery group 4 and electrical network access device 5.Main control module 31 sends electric discharge to electrical network access device 5 and enables, and electrical network access device 5 is controlled lithium battery group 4 network system of civil power is carried out to emergency service.In the time of electric discharge, the discharge electricity amount that voltameter detects lithium battery group 4 is sent to main control module 31, temperature information and the information of voltage of detection lithium battery group 4 send to main control module 31 to sub-control module 33 in real time simultaneously, main control module 31 is sent to display screen 32 by the monitoring information of lithium battery group 4 and discharge electricity amount information and shows, be sent to lithium battery energy storage battery monitoring unit 2 simultaneously, by above-mentioned monitoring flow process, monitoring information unified monitoring when lithium battery group 4 is powered to network system.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Read after foregoing those skilled in the art, for multiple modification of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (5)
1. a lithium battery energy storage monitoring system, it is characterized in that, this system comprises battery energy storage supervisory control system (1), the lithium battery energy storage battery monitoring unit (2) being connected with described battery energy storage supervisory control system (1) network, the lithium battery management system (3) being connected by RS485 serial interface bus with described lithium battery energy storage battery monitoring unit (2), the some lithium battery groups (4) that are connected with described lithium battery management system (3) circuit, and the electrical network access device (5) being connected by RS485 serial interface bus with described lithium battery energy storage battery monitoring unit (2), described electrical network access device (5) connects external utility grid system,
The information of lithium battery energy storage battery monitoring unit (2) to the each lithium battery management system of lower collection (3) and electrical network access device (5), and upload to battery energy storage supervisory control system (1), forward the control command of battery energy storage supervisory control system (1) simultaneously;
Lithium battery management system (3) is responsible for gathering the voltage of each lithium battery group (4), the service data of temperature, to being uploaded to lithium battery energy storage battery monitoring unit (2) after the data processing gathering;
Described lithium battery energy storage battery monitoring unit (2) comprises mainboard module (21), the memory module (22), mixed-media network modules mixed-media (23) and the device interface module (24) that are connected with described mainboard module (21) circuit respectively, and the control module (25) being connected with described device interface module (24) circuit; Described device interface module (24) is also connected with mixed-media network modules mixed-media (23) circuit; Described mainboard module (21) is gone back circuit and is connected with external input-output equipment (26);
Mainboard module (21) in real time communication to input-output equipment (26), this input-output equipment (26) comprises display device and command input device, by display device, information is shown to user, respond user's various operations simultaneously by command input device, control command is transferred to mainboard module (21);
Memory module (22) adopts electric board, completes the storage of parameter and historical data;
Mixed-media network modules mixed-media (23) is realized lithium battery energy storage battery monitoring unit (2) by the interconnected communication of LAN/WAN and long-range other system;
Described lithium battery management system (3) comprises the main control module (31) being connected by RS485 serial interface bus with device interface module (24), the display screen (32) and several sub-control modules (33) that are connected with described main control module (31) wire communication respectively, the contactor (34) and the power module (35) that are connected with described main control module (31) circuit respectively, the balanced conversion electric power (36) connecting with described power module (35) circuit, described balanced conversion electric power (36) is also connected with several described sub-control module (33) circuit respectively,
The 220V alternating current of input or 110V direct current are divided into some circuits by balanced conversion electric power (36), powers to each sub-control module (33) by equilibrium line;
Main control module (31) is also connected with electrical network access device (5) circuit, to electrical network access device (5) send charging enable, discharging enables, and carries out communication transfer by RS485 serial ports simultaneously;
Contactor (34) also and between power module (35) circuit be connected, between contactor (34) and power module (35), be also provided with starting switch (37), between the control module (25) of this starting switch (37) and lithium battery energy storage battery monitoring unit (2), communication is connected, and control module (25) is controlled the folding of starting switch (37);
Power module (35) provides power supply to main control module (31), balanced conversion electric power (37), contactor (34) in lithium battery management system (3).
2. lithium battery energy storage monitoring system as claimed in claim 1, is characterized in that, between described contactor (34) and power module (35), circuit is connected; Between described contactor (34) and power module (35), be also provided with starting switch (37); Between described starting switch (37) and described control module (25), communication is connected.
3. lithium battery energy storage monitoring system as claimed in claim 1, is characterized in that, described main control module (31) is also connected with described electrical network access device (5) circuit;
The lithium battery group (4) of each described sub-control module (33) circuit described in connecting one.
4. lithium battery energy storage monitoring system as claimed in claim 1, is characterized in that, between each described lithium battery group (4), series winding connects, and by described contactor (34) access electrical network access device (5).
5. lithium battery energy storage monitoring system as claimed in claim 1, is characterized in that, described power module (35) comprises two AC power that are connected in parallel and DC power supply;
AC power receives external 220V alternating current, change and export the direct voltage of 24V, DC power supply receives external 110V direct current, changes and export the direct voltage of 24V, and the system that realizes can be changed to another road at direct current or in exchanging in any road power supply power failure.
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| CN103236707A (en) * | 2013-04-27 | 2013-08-07 | 许继集团有限公司 | Large-scale energy storage system and monitoring platform thereof |
| CN105119313A (en) * | 2015-09-02 | 2015-12-02 | 国网上海市电力公司 | Energy storage device of power station |
| CN107230994B (en) * | 2016-03-23 | 2019-09-27 | 北京睿能世纪科技有限公司 | A kind of method and device of control energy-storage system power output |
| DE102018114405A1 (en) * | 2018-06-15 | 2019-12-19 | Liebherr-Components Biberach Gmbh | Energy storage device for electrical drive systems |
| CN114301141B (en) * | 2022-01-04 | 2022-11-08 | 中山东菱威力电器有限公司 | Automatic energy storage device and energy storage method for lithium battery |
| CN116130804B (en) * | 2022-12-30 | 2024-04-09 | 安徽固太新能源有限公司 | Battery management system for energy storage system |
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| JP2006320099A (en) * | 2005-05-12 | 2006-11-24 | Matsushita Electric Ind Co Ltd | Electric power storage system |
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Owner name: STATE GRID CORPORATION OF CHINA SHANGHAI JIULONG E Free format text: FORMER OWNER: SHANGHAI JIULONG ELECTRIC POWER SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20121211 |
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Effective date of registration: 20121211 Address after: 200002 Nanjing East Road, Shanghai, No. 181, No. Applicant after: Shanghai Electric Power Corporation Applicant after: State Grid Corporation of China Applicant after: Shanghai Jiulong Electric Power Co., Ltd. Address before: 200002 Nanjing East Road, Shanghai, No. 181, No. Applicant before: Shanghai Electric Power Corporation Applicant before: Shanghai Jiulong Electric Power Co., Ltd. |
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