CN212572139U - Large energy storage battery management system based on three-level architecture of double controllers - Google Patents
Large energy storage battery management system based on three-level architecture of double controllers Download PDFInfo
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- CN212572139U CN212572139U CN202021478789.9U CN202021478789U CN212572139U CN 212572139 U CN212572139 U CN 212572139U CN 202021478789 U CN202021478789 U CN 202021478789U CN 212572139 U CN212572139 U CN 212572139U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a large-scale energy storage battery management system of tertiary framework based on double controller, include: the battery cluster management system BAMS is a first controller and is respectively in communication connection with the battery cluster management units BCMU through an Ethernet switch and an Ethernet; the auxiliary management system TMS is a second controller and is in communication connection with the BAMS through the Ethernet; each battery cluster management unit BCMU is in communication connection with the plurality of battery module management units BLMU through the CAN bus respectively; wherein the first controller is an industrial personal computer; the second controller is a real-time controller board card; the BAMS is provided with an Ethernet interface and an RS485 interface; and a CAN BUS interface, an RS485 interface, a dry contact input interface and a dry contact output interface are arranged on the TMS. The utility model discloses a BMS framework of dual controller has richened the external interface greatly and has improved the ability of BMS.
Description
Technical Field
The utility model relates to an energy storage technology field especially relates to a large-scale energy storage battery management system of tertiary framework based on double controller.
Background
Currently, a large energy storage battery system generally refers to a system formed by connecting a plurality of battery clusters in parallel to form a battery stack. The system is characterized in that the data volume is huge, and the BMS (battery management system) of the battery system not only needs to detect the cell data (temperature, voltage, current and the like) of each battery, but also needs to communicate and logically interact with an SCADA (supervisory control and data acquisition) system, an EMS (energy management system) and a PCS (power control system); in addition, a general BMS (battery management system) performs environmental management such as air conditioning, fire protection, and the like.
For a general BMS (battery management system), the basic function of battery management can be achieved, but there is a problem that the interface with other devices is not abundant.
In addition, a general BMS (battery management system) has a problem that a data processing or logic control function is not strong enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a large-scale energy storage battery management system of tertiary framework based on double controller to the technical defect that prior art exists.
For this, the utility model provides a large-scale energy storage battery management system of tertiary framework based on double control ware, including battery cluster management system BAMS, supplementary management system TMS, a plurality of battery cluster management unit BCMU and a plurality of battery module management unit BLMU, wherein:
the battery cluster management system BAMS is a first controller and is respectively in communication connection with the battery cluster management units BCMU through an Ethernet switch and an Ethernet;
the auxiliary management system TMS is a second controller and is in communication connection with the battery cluster management system BAMS through the Ethernet;
each battery cluster management unit BCMU is in communication connection with the plurality of battery module management units BLMU through the CAN bus respectively;
wherein the first controller is an industrial personal computer;
the second controller is a real-time controller board card;
the battery cluster management system BAMS is provided with an Ethernet interface and an RS485 interface;
and the TMS is provided with a CAN BUS interface, an RS485 interface, a dry contact input interface and a dry contact output interface.
Each battery cluster management unit BCMU is also in communication connection with an SOC calculation and insulation detection function board through a CAN bus.
Each battery module management unit BLMU is respectively connected with a voltage sensor and a temperature sensor which are installed in one battery module.
The SOC calculation and insulation detection function board is further connected with an external current sensor and an external voltage sensor.
By the above the utility model provides a technical scheme is visible, compares with prior art, the utility model provides a large-scale energy storage battery management system based on double controller's tertiary framework, its BMS framework that adopts double controller has richened external tapping greatly.
Furthermore, the utility model discloses an adopt the BMS framework of dual controller, improved BMS's ability greatly, except possessing powerful data processing ability, still possess powerful algorithm and logic control ability.
The utility model discloses a system can combine the advantage that these two controllers of industrial computer and real-time embedded controller have separately, and reasonable division of labor cooperates to better management battery system.
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Fig. 1 is the utility model provides a connection structure diagram of a large-scale energy storage battery management system based on tertiary framework of dual controller.
Detailed Description
In order to make the technical field of the invention better understand, the invention is described below with reference to the accompanying drawings and embodiments
Referring to fig. 1, the utility model provides a large-scale energy storage Battery Management System (BMS) of tertiary framework based on double controller, including battery cluster management system (BAMS), supplementary management system (TMS), a plurality of Battery Cluster Management Unit (BCMU) and a plurality of battery module management unit (BLMU), wherein:
the battery cluster management system (BAMS) is a first controller (namely a main controller) and is respectively in communication connection with a plurality of Battery Cluster Management Units (BCMU) through an Ethernet switch and an Ethernet;
the auxiliary management system (TMS) is a second controller and is in communication connection with the battery cluster management system (BAMS) through the Ethernet;
each battery cluster management unit BCMU is respectively in communication connection with the plurality of battery module management units BLMU through a CAN (controller area network) bus;
wherein the first controller is an industrial personal computer;
the second controller is a real-time controller board card;
wherein, the battery cluster management system (BAMS) is provided with an Ethernet interface and an RS485 interface;
and the auxiliary management system (TMS) is provided with a CAN BUS interface, an RS485 interface, a dry contact input interface and a dry contact output interface.
In the utility model, in the concrete implementation, the first controller is an industrial personal computer, is provided with a larger memory and a storage disc, and can be provided with a display; the second controller is selected from a real-time controller card. The first controller and the second controller are in work division cooperation to manage and control the BMS system.
The utility model discloses in, on specifically realizing, every battery cluster management unit BCMU still through the CAN bus, calculates and insulating detection function board (be high voltage control unit HVCU, wherein SOC is the state of charge value) looks communication connection with an SOC.
It should be noted that, referring to fig. 1, the large energy storage Battery Management System (BMS) of the present invention has a three-layer structure: the first layer is a BLMU (Module BMS) layer; the second layer is a BCMU (Cluster level BMS) layer, which comprises a battery cluster management unit BCMU and an HVCU (SOC calculation and insulation detection function board); the third layer is a main control layer and comprises a battery cluster management system (BAMS) and a TMS (auxiliary management system).
In the utility model, in particular, the energy storage Battery Management System (BMS) of the utility model has rich communication and dry contact interfaces, and the battery cluster management system BAMS can provide Ethernet, RS485 and the like to the outside; and the TMS auxiliary management system expands CAN and RS485 communication interfaces, a dry contact input interface and a dry contact output interface.
It should be noted that, to the utility model discloses, battery cluster management system BAMS is as main control unit, is as data server, is used for gathering system batch data, regularly records data and event, graphical interface display, and parameter setting carries out some logical operation etc..
In particular, the battery cluster management system BAMS may be pre-installed with a desktop system, such as windows, and may perform its powerful desktop system function.
In the concrete implementation, the auxiliary management system TMS is used as an auxiliary controller and communicates with the battery cluster management system BAMS as a main controller through the ethernet, and the auxiliary management system TMS is used for reading preset key data of the battery cluster management system BAMS in real time and forwarding a protocol and logic of the battery cluster management system BAMS.
In particular, the auxiliary management system TMS is an embedded controller, and can design a control algorithm and a control logic in a modular graphical manner. And the auxiliary battery cluster management system BAMS performs auxiliary logic control.
In the concrete implementation, the auxiliary management system TMS CAN forward the standard communication protocol of the BAMS ethernet of the battery cluster management system through the CAN and RS485 interfaces, and CAN also convert the interface protocol.
In specific implementation, the auxiliary management system TMS can implement signal detection of the dry contact, and can also perform emergency signal control to the outside through the dry contact, or perform charge and discharge logic control to give a charge prohibition signal.
The utility model discloses in, on specifically realizing, every battery module administrative unit BLMU is connected (through the signal line) with the voltage sensor and the temperature sensor of installation in the battery module respectively for the voltage detection data and the temperature detection data of reading the battery module.
It should be noted that, the battery module management unit BLMU is used to detect the voltage and the temperature of the battery and perform the balance control of the battery cell through the voltage sensor and the temperature sensor.
The utility model discloses in, on specifically realizing, SOC calculates and insulating detection function board (HVCU promptly), still is connected with external current sensor and voltage sensor, and it detects SOC calculation and insulation resistance through external current sensor and voltage sensor to through CAN bus (controller area network bus), realize and battery cluster management unit BCMU's information data transmission.
In order to more clearly understand the technical solution of the present invention, the following description is made with reference to specific embodiments.
Referring to fig. 1, the battery module management unit BLMU serves as a BMS for the module, passes through a voltage sensor and a temperature sensor disposed inside the battery module, and directs their signals to the BLMU board via a wire harness. The BLMU is an integrated microcontroller and can be programmed.
In the concrete implementation, the HVCU is a high-voltage control unit, is a functional unit for SOC calculation and insulation detection, and is externally connected with a current sensor and a voltage sensor, wherein the current sensor detects the current of a battery cluster, and the voltage sensor detects the voltage of the battery cluster. The HVCU integrates a microcontroller and can write programs.
In the concrete implementation, a plurality of battery module management units BLMU are cascaded together through CAN bus, and simultaneously, the CAN bus connects battery cluster management units BCMU and HVCU, wherein the battery cluster management units BCMU is used as superior management and is used for reading the acquisition and calculation information of each battery module management unit BLMU and HVCU in real time and also CAN control and set parameters of the battery module management units BLMU and HVCU.
In the concrete implementation, the battery cluster management system BAMS, the auxiliary management system TMS and the battery cluster management unit BCMU are connected together through a network cable through an Ethernet switch. Can realize mutual communication and data exchange.
In particular, the battery cluster management system BAMS is a controller of an industrial computer architecture, is externally connected with at least two ethernet interfaces, and simultaneously has external communication interfaces such as RS485 and RS232, and has a certain docking capability with external equipment.
In the concrete implementation, the battery cluster management system BAMS is generally pre-installed with a Windows desktop system, and an application program of the BAMS is a set of program developed by a Windows platform.
In particular, the TMS is a real-time embedded microcontroller architecture, and has a relatively rich communication interface to the outside, such as CAN, RS485, ethernet, dry contact, and the like.
In a specific implementation, the auxiliary management system TMS transfers data through the ethernet and the battery cluster management system BAMS.
In particular, the auxiliary management system TMS is used as an auxiliary controller for implementing auxiliary control, implementing protocol forwarding or reprocessing, and implementing logic control externally through its own communication interface or dry contact.
In the present invention, it should be noted that the battery cluster management system (BAMS), the auxiliary management system (TMS), the Battery Cluster Management Unit (BCMU), the battery module management unit (BLMU), and the HVCU are existing module units and existing finished equipment, for example, the battery cluster management system (BAMS) may adopt an industrial tablet computer product of TPC-1251T model manufactured by the sambucus company; the auxiliary management system (TMS), the Battery Cluster Management Unit (BCMU), the battery module management unit (BLMU) and the HVCU can adopt the existing embedded board card independently and independently designed by the power battery system company Limited.
The utility model discloses in, BLMU is battery module management unit for data such as voltage, temperature of the inside battery electricity core of collection battery module, its integrated heat management and the balanced management control function of electric core provide external communication interface, can transmit data, accept higher level's battery cluster management unit BCMU's control.
The utility model discloses in, HVCU is the high voltage control unit, and the primary function is that the insulation that carries out the battery cluster detects, detects the insulation resistance value of battery cluster to ground, detects the current value of battery cluster, calculates the SOC SOE etc. of battery cluster, provides external communication interface, and transmission data accepts higher level's battery cluster management unit BCMU's control.
The HVCU mainly functions include current detection, SOC calculation, and insulation detection. The HVCU is used for detecting the charging and discharging current of the battery cluster and receiving data (such as the maximum voltage and the minimum voltage of the battery cell and the maximum temperature and the minimum temperature of the battery cell) transmitted by the BCMU through the CAN bus. According to the charging and discharging current and the voltage and temperature data of the battery, the SOC of the battery cluster can be calculated. The insulation detection function is integrated on the HVCU, the input signals are the positive pole and the negative pole of the battery cluster, and the protective earth PE. of the system calculates the insulation resistance by using a bridge method.
In particular, the BCMU is connected with the HVCU through the CAN bus and used for reading the charging and discharging current, the SOC and the insulation resistance value of the battery.
The utility model discloses in, BCMU is battery cluster management unit, can read battery module management unit BLMU's data and HVCU's data through communication bus, carries out supervisory control to battery cluster system, for example, through the threshold value that sets up in advance, analysis and judgment, reports warning or trouble, and to serious trouble, accessible cut-off switch device carries out initiative protection, also can spread alarm signal through the communication, and relevant protection operation is carried out to associated device. BCMU can also be used as a real-time control unit to analyze and process data in real time and control the battery cluster in real time.
The utility model discloses in, battery cluster management system BAMS is the battery stack management unit that a plurality of battery cluster formed, is in the topmost layer of battery management system BMS, can receive the data that gathers battery cluster management unit BCMU and upload, also can issue control command to battery cluster management unit BCMU. The battery cluster management system BAMS can receive external system control through a communication interface. The battery cluster management system BAMS can set a local mode and a remote mode, wherein the local mode does not accept external system control, the remote mode accepts external control, and some operations are prohibited locally. Important functions of the battery cluster management system BAMS are: data summarization interface display, alarm fault display, parameter setting, event and historical data recording, communication protocol integration and the like; in the concrete implementation, the battery cluster management system BAMS is implemented by taking an industrial computer with a built-in operating system as a carrier and by using built-in application software.
It should be noted that, to the utility model discloses, the utility model relates to a possess abundant external interface, powerful data processing and logic control function's Battery Management System (BMS).
For the utility model, the industrial personal computer (industrial computer) has the advantages of large internal memory and storage, strong data processing function and suitability for running computer software; the real-time embedded controller has the advantages of high real-time performance and suitability for compiling control algorithms and control logics. So a single controller all has a shortcoming, the utility model relates to a BMS system with two controllers, first controller are the industrial computer, and the second controller is real-time embedded controller. Therefore, the utility model discloses a system can combine two respective advantages of controller, and reasonable division of labor cooperation to better management battery system.
Compared with the prior art, the utility model provides a large-scale energy storage battery management system based on tertiary framework of double controller has following beneficial technological effect:
1. the BMS architecture with the double controllers greatly improves the BMS capacity, and has strong algorithm and logic control capacity besides strong data processing capacity; the dual controller architecture greatly enriches external interfaces.
2. The main controller BAMS is pre-installed with the desktop system, and can exert powerful functions of the desktop system. And meanwhile, the TMS can exert the advantages of an embedded system.
3. The communication network is simple and efficient.
4. The communication interface is abundant, and is very easy to expand, is convenient for with other system matchings.
5. The BAMS is an industrial computer as a main controller, and can exert the advantage of strong performance of the computer, and can install other software such as debugging software besides BMS software, so as to realize in-situ observation, diagnosis, debugging and the like.
6. As the BAMS is a desktop system, as long as the BAMS is networked, remote desktop access of the BAMS can be realized, and remote access, remote diagnosis and remote debugging are achieved.
7. TMS CAN realize backup of BAMS key data, transfer of CAN or RS485 interface according to logic result of BAMS, and CAN be processed into new interface protocol for butt joint with other standard devices.
8. The TMS is an embedded controller, and a real-time control algorithm can be conveniently developed and transplanted.
9. Through the dry contact detection and control, the signal can be quickly detected and quickly controlled, so that the method is simple, quick and reliable.
10. The BLMU realizes real-time monitoring and control of signals of the battery module.
11. The HVCU can realize the functions of calculating the SOC of the battery cluster and detecting the insulation of the battery cluster.
To sum up, compare with prior art, the utility model provides a large-scale energy storage battery management system based on tertiary framework of dual controller, its BMS framework that adopts dual controller has greatly enriched external interface.
Furthermore, the utility model discloses an adopt the BMS framework of dual controller, improved BMS's ability greatly, except possessing powerful data processing ability, still possess powerful algorithm and logic control ability.
The utility model discloses a system can combine the advantage that these two controllers of industrial computer and real-time embedded controller have separately, and reasonable division of labor cooperates to better management battery system.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a large-scale energy storage battery management system of tertiary framework based on double controller, includes battery cluster management system (BAMS), supplementary management system (TMS), a plurality of Battery Cluster Management Unit (BCMU) and a plurality of battery module management unit (BLMU), wherein:
the battery cluster management system (BAMS) is a first controller and is respectively in communication connection with a plurality of Battery Cluster Management Units (BCMU) through an Ethernet switch and an Ethernet;
the auxiliary management system (TMS) is a second controller and is in communication connection with the battery cluster management system (BAMS) through the Ethernet;
each Battery Cluster Management Unit (BCMU) is in communication connection with a plurality of battery module management units (BLMU) through a CAN bus respectively;
wherein the first controller is an industrial personal computer;
the second controller is a real-time controller board card;
wherein, the battery cluster management system (BAMS) is provided with an Ethernet interface and an RS485 interface;
and the auxiliary management system (TMS) is provided with a CAN BUS interface, an RS485 interface, a dry contact input interface and a dry contact output interface.
2. The large energy storage battery management system based on the dual-controller three-level architecture as claimed in claim 1, wherein each Battery Cluster Management Unit (BCMU) is further connected to a SOC calculation and insulation detection function board through a CAN bus in a communication manner.
3. The system according to claim 1, wherein each battery module management unit (BLMU) is connected to a voltage sensor and a temperature sensor installed in one battery module.
4. The large energy storage battery management system based on the three-level architecture of the double controllers as claimed in any one of claims 1 to 3, wherein the SOC calculation and insulation detection function board is further connected with an external current sensor and an external voltage sensor.
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| CN202021478789.9U CN212572139U (en) | 2020-07-24 | 2020-07-24 | Large energy storage battery management system based on three-level architecture of double controllers |
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| CN202021478789.9U CN212572139U (en) | 2020-07-24 | 2020-07-24 | Large energy storage battery management system based on three-level architecture of double controllers |
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Effective date of registration: 20220124 Address after: 300384 No. 10, Haitai innovation Third Road, Huayuan Industrial Zone (outside the ring), Binhai high tech Zone, Binhai New Area, Tianjin Patentee after: TIANJIN LISHEN NEW ENERGY TECHNOLOGY CO.,LTD. Address before: 300384 Tianjin Binhai New Area Binhai high tech Industrial Development Zone Huayuan science and Technology Park (outer ring) 38 Haitai South Road Patentee before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd. |