CN108550930B - Bridging manager, bridging system and bridging method based on retired power battery pack - Google Patents
Bridging manager, bridging system and bridging method based on retired power battery pack Download PDFInfo
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- CN108550930B CN108550930B CN201810557853.3A CN201810557853A CN108550930B CN 108550930 B CN108550930 B CN 108550930B CN 201810557853 A CN201810557853 A CN 201810557853A CN 108550930 B CN108550930 B CN 108550930B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 97
- 238000004146 energy storage Methods 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 238000007726 management method Methods 0.000 claims description 19
- 238000013523 data management Methods 0.000 claims description 10
- 238000011065 in-situ storage Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 3
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 description 3
- 102100021133 Nuclear protein 1 Human genes 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
-
- 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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention is applicable to the technical field of resource regeneration, and provides a bridge manager, a bridge system and a bridge method based on a retired power battery pack, wherein the bridge manager comprises the following components: a processor; a CAN interface, a LAN interface, and a serial interface extended on the processor; and MODBUS-RTU protocol, DL/T645-2007 protocol, IEC101 communication protocol, IEC103 communication protocol, IEC104 communication protocol, MODBUS-TCP communication protocol embedded on the process. According to the invention, communication between the retired power battery pack and the energy storage system is realized without changing the original battery management system BMS in advance, namely, the retired power battery pack can be directly applied to the energy storage system through the bridge manager provided by the invention, and in addition, various types of communication protocols are embedded in the bridge manager, so that the bridge manager can adapt to different types of retired power batteries and also adapt to different types of communication protocols of the energy storage monitoring system.
Description
Technical Field
The invention belongs to the technical field of resource regeneration, and provides a communication bridging manager, a bridging system and a bridging method based on the echelon utilization of retired power battery packs.
Background
After the power battery for the new energy electric automobile is used for a certain time or circulated for a certain number of times, the capacity or power characteristic of the power battery is obviously declined, the requirement of the automobile cannot be met, and the power battery needs to be retired from the automobile. However, the retired power battery still has huge residual value, and the capacity and the power of the retired power battery can still meet the requirements of other energy storage occasions with low requirements on dynamic property, such as UPS (uninterrupted Power supply), communication base stations, data centers, electric bicycles, wind-solar power generation energy storage and other applications. The reutilization of the retired battery on the electric automobile to other occasions is called as 'echelon utilization', the research of cascade utilization technology is carried out, the residual value of the power battery is fully exerted, and the method is the field of national important support, wherein wind-light power generation and energy storage are the most important application occasions, but wind-light power generation and energy storage need a certain scale, less than tens of kilowatts, more than megawatts and thousands of battery cores are required to be connected in series and parallel.
Because the battery pack is used on the automobile, the battery pack adopts a communication interface of a CAN bus and a special communication protocol of the automobile, and the energy storage industry generally adopts a MODBUS-RTU or a network bus, the battery pack after retirement CAN be directly used for an energy storage system, the problem of incompatibility in communication must be solved, the existing problems of disassembling and reorganizing the retired power battery pack and realizing the communication between the retired power battery and the energy storage system by being provided with a Battery Management System (BMS) which is applicable are solved, but the problems of large workload in the disassembling and reorganizing processes exist, the resource waste exists in the BMS is newly provided, and the production cost of the energy storage system is increased.
Disclosure of Invention
The embodiment of the invention provides a bridge manager based on a retired power battery pack, which aims to bridge the retired power battery pack and an energy storage system so as to realize communication between the retired power battery pack and the energy storage system.
The present invention is embodied in a communication bridge manager based on retired power battery packs, the bridge manager comprising:
a processor;
a CAN interface, a LAN interface, and a serial interface extended on the processor;
and MODBUS-RTU protocol, DL/T645-2007 protocol, IEC101 communication protocol, IEC103 communication protocol, IEC104 communication protocol, MODBUS-TCP communication protocol embedded on the process.
Further, a WIFI/Bluetooth interface is expanded on the processor.
Further, the processor adopts a Cortex-A7 processor.
Further, all communication protocols employ dynamic library calls.
The present invention is embodied in a bridging system based on a bridging manager, the bridging system comprising:
the system comprises a retired power battery pack, an energy storage system and a bridging manager for connecting the retired power battery pack and the energy storage system;
the retired power battery pack includes: battery module, and battery management system BMS that battery module communication is connected, energy storage system includes: a supervisory control and control system SCADA, an in-situ human-machine interface HMI, and a charge-discharge power controller PCS; the bridge manager is extended with a CAN interface, a LAN interface and two RS-485 serial interfaces, wherein,
the charge-discharge power controller PCS is in communication connection with an RS-485 serial interface of the bridging manager through an RS485 communication bus;
the battery management system BMS is in communication connection with a CAN interface of the bridging manager through a CAN bus;
the SCADA is in communication connection with the LAN interface of the bridging manager through the LAN bus;
the in-situ human-machine interface HMI is in communication connection with another RS-485 serial interface of the bridging manager through an RS485 communication bus.
Further, a data management module is further arranged on the processing, and the data management module reorganizes battery information read from the battery management system BMS based on the communication interface-data parameter index table;
the communication interface-data parameter index table is pre-stored in the data management module.
The invention is realized in such a way that a bridging method based on a bridging management system comprises the following steps:
s1, a bridge manager reads battery information in a battery management system BMS through a CAN bus, and respectively reconstructs the battery information into battery information I, battery information II and battery information III according to data parameter requirements of a supervisory control system SCADA, an on-site human-machine interface HMI and a charge-discharge power controller PCS;
s2, converting the first battery information, the second battery information and the third battery information into corresponding transmission communication protocol data, and respectively transmitting the corresponding transmission communication protocol data to a supervisory control system SCADA, an in-situ human-machine interface HMI and a charge-discharge power controller PCS;
the first battery information is the battery information which is recombined based on the data parameter requirement of the charge-discharge power controller PCS;
the second battery information is battery information which is recombined based on the data parameter requirement of the human-machine interface HMI;
and thirdly, battery information is reorganized based on the data parameter requirements of the SCADA of the monitoring control system.
Further, the bridging manager invokes a corresponding communication protocol from the dynamic library based on the enabled communication interface type.
According to the invention, communication between the retired power battery pack and the energy storage system is realized without changing the original battery management system BMS in advance, namely, the retired power battery pack can be directly applied to the energy storage system through the bridge manager provided by the invention, and in addition, various types of communication protocols are embedded in the bridge manager, so that the bridge manager can adapt to different types of retired power batteries and also adapt to different types of communication protocols of the energy storage monitoring system.
Drawings
Fig. 1 is a schematic structural diagram of a bridge manager according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a bridge system structure based on a bridge manager according to an embodiment of the present invention;
fig. 3 is a flowchart of a bridging method based on a bridging system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a schematic structural diagram of a bridge manager according to an embodiment of the present invention, which is only shown in relevant portions of the embodiment of the present invention for convenience of explanation.
The system comprises:
a processor;
a CAN interface, a LAN interface, and a serial interface extended on the processor;
MODBUS-RTU protocol, SC-1801 protocol and IEC-103 protocol embedded in the processor;
in the embodiment of the invention, all communication interfaces of the retired power battery pack are CAN communication interfaces, common communication buses of the energy storage system are an RS-485 communication bus and a LAN communication bus, the communication interfaces of the RS-485 communication bus are serial interfaces, a MODBUS-RTU protocol and a DL/T645-2007 protocol are adopted, the communication interfaces of the LAN communication bus are LAN interfaces, and IEC101 communication protocols, IEC103 communication protocols, IEC104 communication protocols and MODBUS-TCP communication are adopted;
therefore, in order to realize bridging between different buses, in terms of hardware, a CAN interface is expanded on a processor and is connected with a retired power battery pack through a CAN bus, a LAN interface and a serial interface are also expanded on the processor and are respectively connected with an energy storage system through an RS-485 communication bus and a LAN communication bus, the retired power battery pack is connected with the CAN bus in a communication way, a MODBUS-RTU protocol and/or a DL/T645-2007 protocol are also embedded in the processor and are connected with the energy storage system in a communication way through the RS-485 communication bus, an IEC101 communication protocol and/or an IEC103 communication protocol and/or an IEC104 communication protocol and/or a MODBUS-TCP communication are also embedded in the processor, and the retired power battery pack is connected with the energy storage system in a communication way through the LAN communication bus.
In the embodiment of the invention, all the communication protocols adopt dynamic library dynamic call, and the added and deleted communication protocols can directly add and delete independent protocol dynamic file libraries under the protocol catalogue, and the protocol is modified by modifying the protocol dynamic file libraries, so that the protocol modification is realized, an ontology program is not required to be changed, and the activity of the program is increased while the maintenance is convenient.
In the embodiment of the invention, the WIFI/Bluetooth interface is also extended on the processor, so that the wireless area covered by the WIFI can be accessed.
In the embodiment of the invention, the processor is the Cortex-A7 processor optimally.
Fig. 2 is a schematic diagram of a bridge system based on a bridge manager according to an embodiment of the present invention, which is only shown in relevant portions of the embodiment of the present invention for convenience of explanation.
The bridging system includes:
the system comprises a retired power battery pack, an energy storage system and a bridging manager for connecting the retired power battery pack and the energy storage system;
the retired power battery pack includes: battery module, and battery management system BMS that battery module communication is connected, energy storage system includes: a supervisory control and control system SCADA, an in-situ human-machine interface HMI, and a charge-discharge power controller PCS; the bridge manager is extended with a CAN interface, a LAN interface, and two RS-485 serial interfaces (i.e., COM1 and COM 2), wherein,
the charge-discharge power controller PCS is in communication connection with an RS-485 serial interface of the bridging manager through an RS485 communication bus;
the battery management system BMS is in communication connection with a CAN interface of the bridging manager through a CAN bus;
the SCADA is in communication connection with the LAN interface of the bridging manager through the LAN bus;
the in-situ human-machine interface HMI is in communication connection with another RS-485 serial interface of the bridging manager through an RS485 communication bus.
In the embodiment of the invention, a data management module is further arranged on the processor, and the data management module reorganizes battery information read from the battery management system BMS based on the communication interface-data parameter index table. For example, the battery parameters read from the battery management system BMS are ordered into D1, D2, … …, D100, and the battery information is recombined according to the communication interface by the data management module of the bridge manager, and the CAN interface is equipped with 3 parameters: d3, D5, D44; COM1 is equipped with 5 parameters: d9, D14, D44, D50, D87; COM1 is equipped with 7 parameters: d18, D23, D49, D58, D87, D91, D100, the parameter types provided for each communication interface are obtained by a communication interface-data parameter index table stored in advance in the manager.
Fig. 3 is a flowchart of a bridging method based on a bridging system according to an embodiment of the present invention, where the method includes the following steps:
s1, a bridge manager reads battery information in a battery management system BMS through a CAN bus, and respectively reconstructs the battery information into battery information I, battery information II and battery information III according to data parameter requirements of a supervisory control system SCADA, an on-site human-machine interface HMI and a charge-discharge power controller PCS;
s2, converting the first battery information, the second battery information and the third battery information into corresponding transmission communication protocol data, and respectively transmitting the corresponding transmission communication protocol data to a supervisory control system SCADA, an in-situ human-machine interface HMI and a charge-discharge power controller PCS;
the first battery information is the battery information which is recombined based on the data parameter requirement of the charge-discharge power controller PCS;
the second battery information is battery information which is recombined based on the data parameter requirement of the human-machine interface HMI;
and thirdly, battery information is reorganized based on the data parameter requirements of the SCADA of the monitoring control system.
According to the bridge system provided by the invention, the battery management system BMS is not required to be disassembled, the original battery management system BMS of the retired battery pack is utilized, communication between the retired power battery pack and the energy storage system is realized on hardware and software through the bridge manager, and the information removed from the battery management system BMS is recombined through the data management module, so that the retired power battery pack and the energy storage system are in seamless connection, the waste of original resources is reduced, the battery pack is not required to be disassembled, and time, labor and wire are saved.
In the embodiment of the invention, all the communication protocols are called in a dynamic library combination mode, namely, the corresponding communication protocol is called from the dynamic library based on the type of the communication interface which is started, the protocol is modified by modifying the protocol dynamic file library, an ontology program is not required to be changed, and the activity of the program is increased while the maintenance is convenient.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. A bridging system, the bridging system comprising:
the system comprises a retired power battery pack, an energy storage system and a bridging manager for connecting the retired power battery pack and the energy storage system;
the retired power battery pack includes: battery module, and battery management system BMS that battery module communication is connected, energy storage system includes: a supervisory control and control system SCADA, an in-situ human-machine interface HMI, and a charge-discharge power controller PCS; the bridge manager is extended with a CAN interface, a LAN interface and two RS-485 serial interfaces, wherein,
the charge-discharge power controller PCS is in communication connection with an RS-485 serial interface of the bridging manager through an RS485 communication bus;
the battery management system BMS is in communication connection with a CAN interface of the bridging manager through a CAN bus;
the SCADA is in communication connection with the LAN interface of the bridging manager through the LAN bus;
the in-situ human-machine interface HMI is in communication connection with the other RS-485 serial interface of the bridging manager through an RS485 communication bus;
the manager includes:
a processor;
a CAN interface, a LAN interface, and a serial interface extended on the processor;
and MODBUS-RTU protocol, DL/T645-2007 protocol, IEC101 communication protocol, IEC103 communication protocol, IEC104 communication protocol, MODBUS-TCP communication protocol embedded on the process;
the processing is also provided with a data management module, and the data management module reorganizes battery information read from the battery management system BMS based on a communication interface-data parameter index table;
the communication interface-data parameter index table is pre-stored in the data management module.
2. The bridging system of claim 1 wherein a WIFI/bluetooth interface is extended on the processor.
3. The bridging system of claim 1, wherein the processor is a Cortex-A7 processor.
4. The bridging system of claim 1, wherein all communication protocols are invoked using a dynamic library configuration.
5. A bridging method based on the bridging system of claim 1, the method comprising the steps of:
s1, a bridge manager reads battery information in a battery management system BMS through a CAN bus, and respectively reconstructs the battery information into battery information I, battery information II and battery information III according to data parameter requirements of a supervisory control system SCADA, an on-site human-machine interface HMI and a charge-discharge power controller PCS;
s2, converting the first battery information, the second battery information and the third battery information into corresponding transmission communication protocol data, and respectively transmitting the corresponding transmission communication protocol data to a supervisory control system SCADA, an in-situ human-machine interface HMI and a charge-discharge power controller PCS;
the first battery information is the battery information which is recombined based on the data parameter requirement of the charge-discharge power controller PCS;
the second battery information is battery information which is recombined based on the data parameter requirement of the human-machine interface HMI;
and thirdly, battery information is reorganized based on the data parameter requirements of the SCADA of the monitoring control system.
6. The bridging method of claim 5, wherein the bridging manager invokes the corresponding communication protocol from the dynamic library based on the type of communication interface enabled.
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| CN109901071A (en) * | 2019-03-15 | 2019-06-18 | 中国农业大学 | A kind of dynamic can recombinate energy-storage battery detection system |
| CN112440816B (en) * | 2019-08-31 | 2022-07-15 | 比亚迪股份有限公司 | Battery management system and electric automobile |
| GB2584920B (en) * | 2019-09-03 | 2021-08-18 | Future Transp Systems Ltd | Energy Storage apparatus |
| CN110535163A (en) * | 2019-09-29 | 2019-12-03 | 安徽瑞赛克再生资源技术股份有限公司 | A kind of energy storage control system and method based on retired power battery pack |
| CN114006061A (en) * | 2021-11-01 | 2022-02-01 | 富奥汽车零部件股份有限公司 | Battery control system |
| CN114421580B (en) * | 2022-03-30 | 2022-07-01 | 北京胜能能源科技有限公司 | Control device and control method for realizing butt joint of power battery and energy storage system |
| WO2023206481A1 (en) * | 2022-04-29 | 2023-11-02 | 时代电服科技有限公司 | Communication method and apparatus |
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