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WO2012033248A1 - Système et procédé de stockage d'énergie intelligents - Google Patents

Système et procédé de stockage d'énergie intelligents Download PDF

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Publication number
WO2012033248A1
WO2012033248A1 PCT/KR2010/006372 KR2010006372W WO2012033248A1 WO 2012033248 A1 WO2012033248 A1 WO 2012033248A1 KR 2010006372 W KR2010006372 W KR 2010006372W WO 2012033248 A1 WO2012033248 A1 WO 2012033248A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
power
energy storage
module
individual
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2010/006372
Other languages
English (en)
Korean (ko)
Inventor
황상문
고병욱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PRO-POWER COMMUNICATION Co Ltd
Original Assignee
PRO-POWER COMMUNICATION Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PRO-POWER COMMUNICATION Co Ltd filed Critical PRO-POWER COMMUNICATION Co Ltd
Publication of WO2012033248A1 publication Critical patent/WO2012033248A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • 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
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
    • 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
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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
    • H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00302—Overcharge protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00304—Overcurrent protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306—Overdischarge protection
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present invention relates to an energy storage system, and more particularly, to an intelligent energy storage system and method that provides a control function and a communication function for power control of a battery module.
  • Electricity must be consumed at the moment it is produced. Thus, electricity has stored the power produced and has used batteries as an auxiliary means for use where and when needed.
  • Batteries can be divided into primary battery and secondary battery.
  • UPS uninterruptible power supply
  • Prior art UPS is mainly focused on the function of simply storing the power in case of power failure and supplying power when necessary, and has a problem that does not have a detailed control function and communication function to increase the user's convenience and system efficiency.
  • an object of the present invention is to provide an intelligent energy storage system for performing integrated control and monitoring of the assembly of battery modules.
  • An intelligent energy storage system for achieving the technical problem is to form a plurality of battery modules and to monitor the status information including the voltage, current and temperature of the plurality of battery cells formed in each of the battery modules
  • a module assembly unit configured to form individual battery management systems in each of the battery modules to control overcurrent, overdischarge, and overcharge during charging and discharging of battery cells
  • a central control unit for receiving state information of each battery cell of each battery module from the plurality of individual battery management systems and transmitting a control command for controlling the state information of each battery cell to the respective battery management systems;
  • a power converter configured to store power received from the outside in each of the battery modules according to the control of the central controller, or transmit the stored power to the outside by performing cross-flow conversion and step-up / down-voltage. Selecting one of the power source of the power source and stores the power received from the selected power source in the battery cell of the selected individual battery module based on the energy remaining amount of each individual battery module.
  • An intelligent energy storage method forms a plurality of battery modules, and monitors state information including voltages, currents, and temperatures of a plurality of battery cells formed in each battery module, thereby charging and discharging the battery cells.
  • a central control apparatus for managing the plurality of individual battery management systems, the method comprising: receiving status information of each battery cell of each battery module from each individual battery management system; And the central controller selects one power source among a plurality of power sources, and analyzes the state information of each battery cell based on the power received from the selected power source based on the energy remaining amount of each individual battery module. Storing in each battery cell of an individual battery module.
  • the present invention has the effect of providing an energy storage system as an assembly of battery modules and an intelligent energy storage system capable of controlling and monitoring power through communication with each battery module.
  • the present invention can be carried separately by separating a plurality of battery modules in each individual battery module unit has an effect that can be used easily regardless of the place.
  • the intelligent energy storage system can be installed in several places, and each network can be networked as a distributed auxiliary power device, thereby establishing a stable power distribution policy.
  • the present invention has the effect of enabling the use of power and state management by controlling the intelligent energy storage system even in remote locations through wired and wireless communication.
  • the intelligent energy storage system of the present invention having such an effect is an electric vehicle, such as an electric bicycle, an electric bicycle, an electric motorcycle, an electric tricycle, an electric vehicle, and other hybrid electric vehicles, which are driven by electric two-wheel, three-wheel, four-wheel. It can be widely used as a charging system such as means.
  • FIG. 1 is a front view of an intelligent energy storage system according to an embodiment of the present invention.
  • FIG. 2 is a view showing the rear portion of the intelligent energy storage system according to an embodiment of the present invention.
  • FIG 3 is a front view of a battery module according to an embodiment of the present invention.
  • FIG. 4 is a view showing the rear portion of the battery module according to an embodiment of the present invention.
  • FIG. 5 is a view showing a front portion of the panel coupled to the rear portion of the battery module according to an embodiment of the present invention.
  • FIG. 6 is a view illustrating each battery module being connected when the rear part of the intelligent energy storage system of FIG. 2 is opened, that is, the rear part of the panel of FIG. 5.
  • FIG. 7 is a view showing an intelligent energy storage method according to an embodiment of the present invention.
  • FIG. 1 is a view showing a front portion of the intelligent energy storage system according to an embodiment of the present invention
  • Figure 2 is a view showing a rear portion of the intelligent energy storage system according to an embodiment of the present invention.
  • An intelligent energy storage system includes a module assembly unit 100, a power converter 200, a power output unit 300, and a central control unit 400.
  • the module assembly unit 100 combines n secondary battery modules directly and in parallel to form a plurality of battery modules 110.
  • each battery module 110 implements a plurality of secondary cells of the battery cells in n series connections and m parallel connections.
  • the secondary battery includes all secondary batteries capable of performing charging and discharging, such as lead-acid batteries, nickel-hydrogen batteries, lithium ion batteries, lithium polymer batteries, and iron phosphate batteries.
  • Each battery module 110 may be connected continuously and in parallel to increase energy storage capacity.
  • Each battery module 110 has a battery management system (BMS) 130 formed on one side and controls overcurrent control, overdischarge control, overcharge control, and operating temperature of each cell during charging and discharging.
  • BMS battery management system
  • the BMS 130 controls a voltage / current path of each battery cell by controlling a voltage / current path in which each battery cell is drawn or drawn by placing a separate electric circuit in a cell external BMS formed in each battery cell.
  • the BMS 130 stores the amount of power introduced into all battery cells during charging and measures the amount of power consumed during discharge to show the energy remaining amount (State of Charge, SOC) of the battery module 110.
  • the BMS 130 may monitor the state of each battery cell, that is, the voltage and current amount, and monitor the state of the battery module (whole battery cell) 110.
  • the BMS 130 receives and transmits the state information of the battery cell including the power amount, voltage, current state, energy remaining amount, etc. of each battery cell to the central control unit 400 and controls the central control unit 400. Each battery cell is controlled by receiving a command.
  • the BMS 130 monitors the state of the plurality of battery cells to monitor and maintain the voltage, current, and temperature of the battery cells so that they can be maintained and used under optimum conditions, optimal maintenance by diagnosis of the battery cells, and safe operation. Includes alarms and precautions, data integrity, and system diagnostics.
  • the power converter 200 is an integrated unit of the inverter and the converter to receive power from the outside to store in the module assembly unit 100 and output the stored power in direct current or alternating current DC, AC conversion and boost, Perform decompression.
  • the power output unit 300 is provided with a connector and a socket for outputting direct current and alternating current, and in the case of alternating current, 110 volt and 220 volt sockets are installed.
  • the central control unit 400 assigns the BMS 130 of each battery module 110 as a slave as a master, controls each component module of the intelligent energy storage system based on the embedded module, and controls each battery module ( The BMS 130 of 110 is controlled through communication.
  • the central control unit 400 is a monitoring unit 410 using an LCD panel having a touch screen function to display the status information of the intelligent energy storage system on the front side of the intelligent energy storage system, and is connected to the internal sleeping mode in an emergency to stop the system operation. However, it includes an emergency switch 420 and a power switch 430 that perform a function of preserving the monitored data.
  • the monitoring unit 410 may select and view necessary information through a touch screen function.
  • the central control unit 400 may program the control process of the intelligent energy storage system through the monitoring unit 410.
  • the central control unit 400 may communicate with the plurality of BMSs 130 to designate a charging or discharging time point of each battery module 110 for each time zone or to variably perform the amount of input / output power.
  • the central control unit 400 conforms to the ZigBee protocol, which enables home networking within a predetermined area, enables wireless LAN connection when moving, and provides remote intelligent energy storage system for status information of a plurality of battery cells via wired or wireless Internet. Transmission is possible.
  • Intelligent energy storage systems are installed in multiple locations and distributed as auxiliary power units, each connected to a Supervisory Control and Data Acquisition (SCADA) and controlled through SCADA to control power exchange between intelligent energy storage systems and each intelligent
  • SCADA Supervisory Control and Data Acquisition
  • the components of the energy storage system can be controlled to create an energy network.
  • the central control unit 400 is composed of a PC base is programmable and provides a wired / wireless communication method so that state management can be performed at a remote location.
  • FIG 3 is a view showing a front portion of a battery module according to an embodiment of the present invention
  • Figure 4 is a view showing a rear portion of a battery module according to an embodiment of the present invention.
  • the front part of the battery module 110 has a handle 112 at the top and bottom and is mounted to the battery module 110 at the center to facilitate the detachment and movement in an industrial standard 19 inch rack to which the plurality of battery modules 110 are mounted. It includes a module monitoring unit 114 and a function selection button that can observe the state of the plurality of battery cells in real time.
  • the plurality of battery modules 110 operate as one module, but if necessary, the battery modules 110 may be separately separated and used.
  • the function selection button includes a CD (Cell Display) 116 and a MO (Mode) 118.
  • the CD 116 has N or N ⁇ M battery cells in one battery module 110.
  • the LED of the back panel is turned on every time the battery module is pressed to see the status information of each battery cell.
  • the number of battery cells is increased by one, so that the entire battery cells in the battery module 110 can be selected. In this way, when each battery cell is selected, the status information such as the number, voltage, and current of the selected battery cells can be displayed and displayed. Button.
  • the MO 118 is a button for selecting a display mode, and each time the mode button is pressed in the state of the battery module 110, the MO 118 is switched in the order of a unique ID, voltage, current, remaining capacity, and temperature assigned to the module, and displays the corresponding information. This button is displayed and displayed on the module monitoring unit 114.
  • the rear part of the battery module 110 is a module control terminal 124 through which control signals for controlling the charging terminal 120, the discharge terminal 122, and the battery module 110 used for charging and discharging the battery cell are transmitted and received. Include.
  • FIG. 5 is a diagram illustrating a front portion of a panel to which a rear portion of a battery module according to an embodiment of the present invention is coupled
  • FIG. 6 is a view of each battery when the rear portion of the intelligent energy storage system of FIG. 2 is opened according to an embodiment of the present invention. That is, the module is connected, that is, a view showing the rear portion of the panel of FIG.
  • the rear panel of the module assembly 100 of the industrial standard 19-inch rack has a panel that matches the size of each battery module 110.
  • the panel includes a second charging terminal, a second discharge terminal, and a second module control terminal that are joined to the rear portion of each battery module 110.
  • the second charging terminal, the second discharge terminal, and the second module control terminal are male terminals of the charging terminal 120, the discharge terminal 122, and the module control terminal 124 formed on the rear surface of the battery module 110 of FIG. 4. Coupling with the female terminal.
  • FIG. 6 is a rear view of the panel of FIG. 5 and is seen from the wiring terminal side of FIG. 5.
  • FIG. 7 is a view showing an intelligent energy storage method according to an embodiment of the present invention.
  • the central control unit 400 selects one power source among the plurality of power sources (S100).
  • the light sensor and the wind sensor are determined as inputs to enable selection of a power source.
  • the central control unit 400 may set a time zone in which power consumption is limited for each time zone, and may receive power from the selected power source when the load power is consumed below a preset reference value.
  • the central control unit 400 receives the state information of each battery cell of each battery module 110 from the plurality of BMS 130 and transmits a control command for controlling the state information of each battery cell to each BMS 130. (S102).
  • the central control unit 400 analyzes the state information of each battery cell based on the power received from the selected power source and supplies the power to each battery cell of the selected individual battery module 110 based on the energy remaining amount of each individual battery module 110. Save (S104).
  • the central control unit 400 may exchange power by networking with a remote intelligent energy storage system and a wired / wireless internet, and exchange state information of its battery cell with a remote intelligent energy storage system (S106). .

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention porte sur un procédé de fonctionnement d'un système de stockage d'énergie intelligent qui comporte les étapes suivantes : la fabrication d'une pluralité de modules de batterie et la création d'un système de gestion de batterie individuel dans chaque module de batterie, le système de gestion de batterie individuel supprimant une surintensité, une charge et une décharge excessives pendant la charge et la décharge de multiples cellules de batterie formées dans chaque module de batterie par surveillance des informations d'état des cellules de batterie qui comprennent la tension, le courant et la température ; l'autorisation, à un dispositif de commande central qui gère une pluralité de systèmes de gestion de batterie individuels, de recevoir les informations d'état de chaque cellule de batterie dans chaque module de batterie provenant de chaque système de gestion de batterie individuel ; l'autorisation, au dispositif de commande central, de sélectionner une source d'énergie parmi une pluralité de sources d'énergie et de stocker de l'énergie reçue de la source d'énergie sélectionnée dans chaque cellule de batterie d'un module de batterie individuel qui est sélectionné sur la base de la quantité d'énergie restant dans chaque module de batterie individuel par analyse des informations d'état de chaque cellule de batterie.
PCT/KR2010/006372 2010-09-07 2010-09-17 Système et procédé de stockage d'énergie intelligents Ceased WO2012033248A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0087331 2010-09-07
KR1020100087331A KR101170489B1 (ko) 2010-09-07 2010-09-07 지능형 에너지 저장 시스템 및 방법

Publications (1)

Publication Number Publication Date
WO2012033248A1 true WO2012033248A1 (fr) 2012-03-15

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PCT/KR2010/006372 Ceased WO2012033248A1 (fr) 2010-09-07 2010-09-17 Système et procédé de stockage d'énergie intelligents

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KR (1) KR101170489B1 (fr)
WO (1) WO2012033248A1 (fr)

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CN115833366A (zh) * 2021-09-17 2023-03-21 比亚迪股份有限公司 智能控制柜

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KR101418173B1 (ko) * 2012-12-18 2014-07-10 넥스콘 테크놀러지 주식회사 에너지 저장 시스템의 입출력 제어 장치
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KR102246451B1 (ko) * 2019-11-11 2021-04-30 주식회사 에스제이 테크 모듈 배터리 시스템
KR102356504B1 (ko) * 2020-04-29 2022-01-28 주식회사 스타리온 재사용 배터리 운송 및 노화 고속측정용 컨테이너 시스템

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