CN220874240U - Intelligent management system for electrochemical energy storage application - Google Patents
Intelligent management system for electrochemical energy storage application Download PDFInfo
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- CN220874240U CN220874240U CN202322403412.7U CN202322403412U CN220874240U CN 220874240 U CN220874240 U CN 220874240U CN 202322403412 U CN202322403412 U CN 202322403412U CN 220874240 U CN220874240 U CN 220874240U
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- 238000012983 electrochemical energy storage Methods 0.000 title claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 17
- 230000003993 interaction Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000012423 maintenance Methods 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 abstract description 20
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000007726 management method Methods 0.000 description 23
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an intelligent management system for electrochemical energy storage application, and belongs to the technical field of energy storage battery management. The intelligent management system comprises a CSU battery acquisition unit, a BCU unit, a switch matrix, a DC-DC2 module, a DSP module and a DCDC1-1 module; the two-way transmission of CAN signals and daisy chain communication signals is carried out between the CSU battery acquisition unit and the BCU unit for realizing information reporting and control command interaction, the output end of the BCU unit is connected with the input end of the switch matrix for realizing control of the switch matrix according to the system state and the operation result, and the two-way transmission between the BCU unit and the DSP module is used for realizing the interaction of the demand and control signals. The utility model adopts innovative technologies such as battery module level energy optimization, battery single-cluster energy control, full modular design and the like to realize the values of higher discharge, better investment, high Jian Yunwei, safety and reliability of the whole life cycle of the energy storage system.
Description
Technical Field
The utility model belongs to the technical field of energy storage battery management, and particularly relates to an intelligent management system for electrochemical energy storage application.
Background
As global electrification progresses, power demand will continue to rise. Because renewable energy power generation such as wind energy and solar energy has the characteristics of discontinuity, instability and uncontrollable, the large-scale integration of renewable energy into a power grid can bring serious impact to the safe and stable operation of the power grid, energy storage is applied to the field of power transmission and distribution, and the renewable energy power generation device participates in frequency modulation, voltage support, peak shaving, spare capacity reactive power support, relieves line blockage, delays the capacity expansion and upgrading of power transmission and distribution and is used as a direct current power supply of a transformer substation, and can well relieve a series of problems brought by new energy grid connection. The energy storage is configured on the new energy power generation side under the application scenes of stable power output of the new energy, planned output tracking and the like; in the application scenarios of power grid frequency adjustment, network power flow optimization and the like, the energy storage is configured on the power transmission side; in the application scenarios of distributed energy storage, mobile energy storage and the like, the energy storage is configured on the power distribution side. Therefore, the energy storage technology is a key core technology for promoting popularization and application of renewable energy sources and realizing energy conservation and emission reduction. For example, test equipment, data servers, and devices such as a hospital vitamin apparatus, which have very high requirements on the stability of electricity, are usually designed in a redundancy manner, so that situations such as data loss caused by power failure of the servers under the condition of sudden power failure of the mains supply are prevented. On the other hand, there are also cases where the load is automatically stopped due to the fluctuation of the frequency or the voltage amplitude of the power grid. At this time, the energy storage system is installed to smooth the fluctuation of the power grid, so that the electric energy quality is improved.
The existing BMS management scheme has the defects that the intelligent electricity supplement of the module cannot be realized, the cluster-merging circulation management cannot be realized, the mixed operation and maintenance difficulty of new and old batteries cannot be realized, and the like.
Disclosure of utility model
The utility model aims to: an intelligent management system for electrochemical energy storage applications is provided to solve the above-mentioned problems of the prior art.
The technical scheme is as follows: an intelligent management system for electrochemical energy storage application comprises a CSU battery acquisition unit, a BCU unit, a switch matrix, a DC-DC2 module, a DSP module and a DCDC1-1 module;
The device comprises a CSU battery acquisition unit, a BCU unit, a DSP module, a DC-DC2 module, a DC-DC 1-1 module, a DC-DC power supply and a DC-DC power supply, wherein CAN signals and daisy chain communication signals are transmitted between the CSU battery acquisition unit and the BCU unit in a bidirectional manner, the output end of the BCU unit is connected with the input end of the switch matrix, the BCU unit and the DSP module are transmitted in a bidirectional manner, the output end of the DSP module transmits PWM control signals to the DC-DC2 module and the DC-DC 1-1 module, the output end of the DC-DC2 module transmits voltage and current feedback signals to the DSP module, and the output end of the DC-1 module is also connected with the input end of the switch matrix for transmitting an output power supply.
Further, the input end of the CSU battery acquisition unit receives a battery signal of a battery, wherein the battery signal comprises a single voltage and a single temperature of a battery PACK.
Further, the input end of the BCU unit receives data of the battery cluster, and the output end of the BCU unit sends an on-off control signal to the battery cluster.
Further, the output end of the switch matrix is connected with a battery for realizing battery power supply.
Further, the BCU unit and the DSP module adopt a high-speed bus for information interaction, and are used for controlling the DC-DC2 module and the DCDC1-1 module in real time.
Further, the BCU unit judges the battery state of the battery according to the data of the battery cluster, wherein the battery state comprises an operation mode and a maintenance mode.
The beneficial effects are that: the intelligent management scheme energy storage management system is based on a centralized energy storage system architecture, adopts innovative technologies such as battery module level energy optimization, battery single-cluster energy control, full-modular design and the like, and achieves the values of higher discharge, better investment, high Jian Yunwei and safety and reliability in the full life cycle of the energy storage system. The novel and old batteries are supported to be used together, the barrel effect is avoided, the energy storage system is used for maximizing charge and discharge, and a staged power supply mode can be realized. When the new battery is automatically optimized to be charged and discharged, the standby battery does not need to be manually adjusted, and an operation and maintenance person on the station can directly replace the battery module, so that the related operation and maintenance cost is reduced by more than 90%.
Drawings
Fig. 1 is a block diagram of an intelligent management system for electrochemical energy storage applications provided by the present utility model.
Fig. 2 is a topology diagram of an intelligent management system for electrochemical energy storage applications provided by the present utility model.
Fig. 3 is a flow chart of an intelligent management system for electrochemical energy storage applications provided by the present utility model.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
As shown in fig. 1 and 3, an intelligent management system for electrochemical energy storage application comprises a CSU battery acquisition unit, a BCU unit, a switch matrix, a DC-DC2 module, a DSP module and a DCDC1-1 module;
The device comprises a CSU battery acquisition unit, a BCU unit, a DSP module, a DC-DC2 module, a DC-DC 1-1 module, a DC-DC power supply and a DC-DC power supply, wherein CAN signals and daisy chain communication signals are transmitted between the CSU battery acquisition unit and the BCU unit in a bidirectional manner, the output end of the BCU unit is connected with the input end of the switch matrix, the BCU unit and the DSP module are transmitted in a bidirectional manner, the output end of the DSP module transmits PWM control signals to the DC-DC2 module and the DC-DC 1-1 module, the output end of the DC-DC2 module transmits voltage and current feedback signals to the DSP module, and the output end of the DC-1 module is also connected with the input end of the switch matrix for transmitting an output power supply.
The input end of the CSU battery acquisition unit receives a battery signal of a battery, wherein the battery signal comprises a single voltage and a single temperature of a battery PACK.
In the embodiment, the CSU battery acquisition unit adopts a common slave control module model TP-CSU11A-16S18T-P-M-12/24V, and the CSU battery acquisition unit is not limited to the model and has the main functions of acquiring information such as the single voltage, the single temperature and the like of a battery when in specific implementation, and is matched with the previous stage to complete automatic addressing and basic DI/DO identification and control; interaction is carried out on the outside through CAN communication, basic statistical calculation and SOX calculation are carried out on the battery pack by combining information such as current issued by the previous stage, and the calculated relevant results are reported and output according to addresses through a CAN bus; the BCU unit adopts a conventional control chip for the battery cluster management unit, such as: the GD32F427 series, the switch matrix adopts MOS pair tube switch, the DSP module adopts C2000 series control chip, the PCS module adopts third-party finished product equipment. IPE_BMS intelligent power supply energy storage battery management system is main core part, model: TP_IPE_BCU05A is a management and control total unit of a battery cluster, a data controller receiving a CSU battery acquisition unit can carry out battery data statistics, total voltage and total current acquisition needs to open a channel switch of a power supply module and inform a DSP module to supply power to the power supply module to ensure the consistency of each module of the system, and meanwhile, the power supply module interacts with the outside and identifies external equipment such as the external equipment. The state of the system is regulated by signals of equipment such as PCS, temperature control and fire control, and the like, a charge-discharge mode is entered after an instruction of a previous-stage system is received, and at the moment, the power DCDC is regulated according to the external state of the system to regulate the voltage of the cluster system, so that the maximum power output of the system is ensured; and meanwhile, the state calculation and fault management of the battery cluster are carried out to ensure the stable operation of the system.
It should be noted that the present utility model is not limited to the specific model details in the above embodiment, and various equivalent changes may be performed on the module/unit model of the present utility model within the scope of the technical concept of the present utility model, and these equivalent changes all fall within the scope of the present utility model.
And the input end of the BCU unit receives the data of the battery cluster and realizes SOX estimation of the battery pack according to the data of the battery cluster, and the output end of the BCU unit sends an on-off control signal to the battery cluster.
In this embodiment, the E-BMS is a stack management unit, and is mainly configured to manage each cluster of the second stage, ensure that the external power of the system meets the requirements, accurately schedule and manage the power grid in combination with the requirements, and control the PCS to perform ac-dc conversion. The IPE_BMS mainly realizes intelligent management of a battery system, wherein the BCU unit acquires data of a battery cluster, and performs main functions of the battery cluster management unit such as total voltage, total current and external temperature acquisition of the battery cluster, collects information such as voltage and temperature of single batteries in the cluster, realizes SOX estimation (SOC/SOH/SOE/SOP) of a battery pack, and performs equalization strategy judgment, insulation resistance detection, data storage, fault diagnosis, charge and discharge control and the like. And data interaction is carried out with CSU battery acquisition units, E-BMS, PCS and other devices through buses such as a daisy chain, CAN, RS485, ethernet and the like, and parameter configuration and historical data checking CAN be carried out through an upper computer. When the battery pack has serious abnormal faults such as overvoltage, undervoltage, overcurrent (short circuit), electric leakage (insulation) and the like, the BCU can effectively control the disconnection of the battery cluster, avoid the overcharge, overdischarge and overcurrent of the battery and ensure the high-efficiency, reliable and safe operation of the energy storage system.
And the output end of the switch matrix is connected with a battery for realizing battery power supply.
And the BCU unit and the DSP module carry out information interaction by adopting a high-speed bus and are used for controlling the DC-DC2 module and the DCDC1-1 module in real time.
In the embodiment, the BCU unit and the DSP module in the pair adopt a high-speed bus to perform information interaction, so that the balanced DCDC and the compensated DCDC are controlled in real time, and the effective management of the battery module and the battery cluster is realized.
The BCU unit judges the battery state of the battery according to the data of the battery cluster, wherein the battery state comprises an operation mode and a maintenance mode.
In this embodiment, the battery cluster is made up of multiple groups of batteries, and the BCU unit controls the switch matrix according to the battery module state to realize reasonable switching between modules, and divides into an operation mode and a maintenance mode according to the battery state, so as to realize effective management of the battery cluster, ensure that the operation of the whole centralized energy storage cabinet is not affected, and under the premise of ensuring safety, improve the service life of the batteries, reduce the maintenance cost, and improve the economic benefit brought by the system.
As shown in FIG. 2, the whole energy storage container is composed of a plurality of parallel battery cluster systems, the energy of the cluster systems is required to be summarized and connected to a later energy storage converter (PCS) to realize the parallel connection with a power grid, and meanwhile, the parallel connection of the battery cluster systems is required to be scheduled and managed by an upper-level controller (E-BMS) to realize the charge and discharge management and protection of the whole stored energy (Ctrl) container.
The scheme of combining the embedded type and the power electronics is adopted, the application of the system is simplified maximally under the condition of minimum cost investment, and the utilization value and maintainability of the system are provided.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various equivalent changes can be made to the technical solutions of the present utility model within the scope of the technical concept of the present utility model, and these equivalent changes all fall within the protection scope of the present utility model.
Claims (6)
1. An intelligent management system for electrochemical energy storage application is characterized by comprising a CSU battery acquisition unit, a BCU unit, a switch matrix, a DC-DC2 module, a DSP module and a DCDC1-1 module;
The device comprises a CSU battery acquisition unit, a BCU unit, a DSP module, a DC-DC2 module, a DC-DC 1-1 module, a DC-DC power supply and a DC-DC power supply, wherein CAN signals and daisy chain communication signals are transmitted between the CSU battery acquisition unit and the BCU unit in a bidirectional manner, the output end of the BCU unit is connected with the input end of the switch matrix, the BCU unit and the DSP module are transmitted in a bidirectional manner, the output end of the DSP module transmits PWM control signals to the DC-DC2 module and the DC-DC 1-1 module, the output end of the DC-DC2 module transmits voltage and current feedback signals to the DSP module, and the output end of the DC-1 module is also connected with the input end of the switch matrix for transmitting an output power supply.
2. An intelligent management system for electrochemical energy storage applications according to claim 1, wherein the input of the CSU battery acquisition unit receives a battery signal from a battery, wherein the battery signal comprises a cell voltage and a cell temperature of a battery PACK.
3. An intelligent management system for electrochemical energy storage applications as in claim 1, wherein the input of the BCU unit receives data from the battery cluster and the output of the BCU unit sends an on/off control signal to the battery cluster.
4. An intelligent management system for electrochemical energy storage applications as in claim 1, wherein the output of the switch matrix is connected to a battery for battery recharging.
5. An intelligent management system for electrochemical energy storage applications as in claim 3, wherein said BCU unit and said DSP module use a high speed bus for information interaction for real time control of the DC-DC2 module and the DCDC1-1 module.
6. An intelligent management system for an electrochemical energy storage application as in claim 5, wherein said BCU unit determines battery status of a battery based on data from a battery cluster, wherein battery status includes an operational mode and a maintenance mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322403412.7U CN220874240U (en) | 2023-09-05 | 2023-09-05 | Intelligent management system for electrochemical energy storage application |
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| CN202322403412.7U CN220874240U (en) | 2023-09-05 | 2023-09-05 | Intelligent management system for electrochemical energy storage application |
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| CN220874240U true CN220874240U (en) | 2024-04-30 |
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2023
- 2023-09-05 CN CN202322403412.7U patent/CN220874240U/en active Active
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