WO2012044125A2 - 배터리 시스템의 가변적 단선 장치 및 가변적 단선 제어 방법 - Google Patents
배터리 시스템의 가변적 단선 장치 및 가변적 단선 제어 방법 Download PDFInfo
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- WO2012044125A2 WO2012044125A2 PCT/KR2011/007279 KR2011007279W WO2012044125A2 WO 2012044125 A2 WO2012044125 A2 WO 2012044125A2 KR 2011007279 W KR2011007279 W KR 2011007279W WO 2012044125 A2 WO2012044125 A2 WO 2012044125A2
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- disconnection
- battery
- control module
- command
- variable
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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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
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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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/579—Devices or arrangements for the interruption of current in response to shock
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04492—Humidity; Ambient humidity; Water content
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04955—Shut-off or shut-down of fuel cells
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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
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the present invention relates to a variable disconnection device and a variable disconnection control method of a battery system that detects an external situation in a battery system and variably disconnects the physical connection of individual battery units according to the detected dangerous situation to switch to a stable state of low capacity and low voltage. It is about.
- the smart grid system is an intelligent grid system that tries to increase the efficiency of power utilization through the interaction of power supply and consumption by integrating information communication technology in the process of power generation, transportation and consumption.
- One or more large battery systems are installed in the power storage system used in the smart grid or the micro grid to control the storage and supply of power.
- the large battery system consists of a cell that is the minimum unit of power storage and supply, a module that is a collection of a plurality of cells, a battery pack that is a collection of a plurality of modules, a system that is a collection of battery packs, and a plant that is a collection of a plurality of systems. do.
- Such large battery systems are capable of storing and supplying high-capacity and high-voltage power as the physical connections of cells, cells, modules, battery packs, and systems increase.
- a large battery system may adjust power capacity and voltage by increasing or decreasing a physical connection of a battery unit as described above. As a period elapses after initial installation, a large battery system may increase in size and form a high voltage. Accordingly, the stability of large battery systems is further demanded.
- the risk is increased if it is exposed to natural disasters (earthquake, flooding, typhoon) or other accidents such as fire or short circuit.
- a minor problem in some battery units of a battery system can affect surrounding batteries, leading to large-scale accidents such as electric shock, fire and explosion.
- a battery system requires a technology capable of switching between states of high capacity, high voltage, low voltage, and low voltage by controlling connection and disconnection between battery units individually and locally as necessary.
- the present invention has been made in view of the foregoing, and an object thereof is to switch to a low capacity low voltage state by variably disconnecting control of a physical connection of a battery unit in a battery system.
- the disconnection control is a manual control by the administrator and the purpose of the automatic control of the degree of disconnection in accordance with the detected situation through a sensor for detecting an external dangerous situation.
- variable disconnection device of the battery system of the present invention for solving the above problems, in the variable disconnection device for variably disconnecting control of the physical connection of the battery assembly unit, the variable disconnection device is provided in the connection wiring of the battery assembly unit Electrically connected or disconnected switches; A switch control module for applying an on or off signal to the switch; And a disconnection control module for controlling the switch control module according to the sensed risk level to vary the position and number of open / close switches and the disconnection interval.
- the battery assembly unit may include: a battery cell configured to receive and store external power and supply stored power to the outside; A battery module corresponding to an assembly of a plurality of battery unit cells; A battery pack corresponding to an assembly of a plurality of battery unit modules; A battery system corresponding to an assembly of a plurality of battery packs; And a battery plant corresponding to an assembly of a plurality of battery systems, or a combination thereof.
- variable disconnection device may further include a sensor module configured to detect a current situation in real time and transmit sensing data to the disconnection control module.
- the sensor module is installed inside or outside the structure of the battery assembly unit or installed at a long distance to detect a dangerous situation including any one of temperature, humidity, leakage, flooding and earthquake, and detected by wire or wireless connection. Sends one dangerous situation information to disconnection control module.
- the disconnection control module outputs a control signal of a variable disconnection or a connection to a switch control module, and the control signal includes identification information of at least one switch to open and control.
- the disconnection control module shortens the disconnection interval of the battery assembly unit as the disconnection level determined as a dangerous situation.
- the disconnection control module receives a manual command or an external network command of an administrator and transmits a corresponding connection command or a disconnection command to the switch control module.
- the disconnection control module is connected to an input / output interface connected to a screen output means and a data input means, and receives a manual input of a related party inputted from the data input means through the input / output interface and receives a corresponding connection command and a disconnection command. Transmitting to the switch control module; And a function of being connected to a communication means and receiving a connection command and a disconnection command from the central control station through the communication means in a wired or wireless manner and transmitting the received command to the switch control module.
- the disconnection control module may include a disconnection command for disconnecting the battery cell in order to prevent an electric shock accident when a flooding condition is detected; A disconnection command for disconnecting a part of the parallel connection, in order to alternately connect to a sequentially disconnected battery configuration module when a dangerous situation is detected but there is no problem in power supply;
- the disconnection command When the operator enters the maintenance mode to the battery system for the maintenance of the battery configuration module, the disconnection command to disconnect in the voltage unit below the operator safety limit by the administrator's manual command; A disconnection command for automatically disconnecting the sensor at a voltage unit below an operator safety limit when receiving detection data of the door opening from the sensor module in association with the door of the battery system structure;
- a disconnection command for arbitrarily disconnecting the parallel connection may be issued to be used as a spare battery in the battery system.
- variable disconnection device including the variable disconnection device and the battery assembly unit controls the variable disconnection for any combination of the battery assembly unit and the battery assembly unit.
- variable disconnection control method for performing a variable disconnection device for the variable disconnection control of the physical connection of the battery assembly unit performs the following steps In (S11) the sensor module of the variable disconnection device detects a current situation and transmits to the disconnection control module; (S12) determining, by the disconnection control module, the disconnection level after receiving the sensing data of the current situation from the sensor module to determine a dangerous situation; (S13) when the determined disconnection level applies disconnection of the previously connected switch control module, transmitting the disconnection command to the switch control module; (S14) the switch control module receiving the disconnection command to switch the physical connection of the corresponding switch to the disconnection; (S15) after the step S12, when the determined disconnection level releases disconnection of the previously disconnected switch control module, the disconnection control module transmitting a connection command to the switch control module; And (S16) the switch control module receives the connection command to switch the physical connection of
- the present invention it is possible to stabilize the low-capacity and low-voltage state by detecting an electric shock, explosion risk situation such as flooding, fire, and the like for the large battery system and variably disconnecting and controlling the physical connection of the battery unit.
- the operator can work in a safe state of low capacity and low voltage through disconnection and connection control.
- FIG. 1 and 2 are conceptual diagrams of situational variable disconnection of a battery system according to an exemplary embodiment of the present invention.
- FIG. 3 is a conceptual diagram of a battery assembly unit according to an embodiment of the present invention.
- FIG 4 is an exemplary view of a battery system according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of a variable disconnection apparatus according to an embodiment of the present invention.
- FIG. 6 is a block diagram of a disconnection control module according to an embodiment of the present invention.
- FIG. 7 is a conceptual view illustrating a sensor module according to an embodiment of the present invention.
- FIG. 8 is a schematic flowchart of a variable disconnection control method according to an embodiment of the present invention.
- FIG. 1 and 2 illustrate a technical concept of a situation-specific variable disconnection device of a battery system according to an exemplary embodiment of the present invention.
- the minimum unit of the power storage and supply subject is the battery cell 101.
- units of battery cells 101 may be connected in series or in parallel to each other to supply a large amount of high voltage power.
- variable disconnection device when an emergency situation such as earthquake, flooding, fire, etc. occurs in a large battery system, if it is determined that the situation is dangerous, it is a variable battery cell to prevent accidents such as electric shock or explosion Disconnect the connection between the 101 to switch to the state of low capacitance low voltage.
- the variable disconnection device may be disconnected by variably adjusting the disconnection interval of the battery cell 101 when necessary, such as when maintenance of a large battery system is required, when applying a rest period to some battery units, and the like.
- the "situation C” disconnects the parallel connection between the grouped battery cells 101 and the battery system. Stabilize.
- the "situation C” after the total 8 battery cells 101 are completely disconnected and disconnected in parallel, 4 upper battery cells 101 are used and the lower 4 battery cells 101 disconnected are reserved. It can be left as a battery and used as a new power source after a disconnected parallel connection is restored.
- FIG. 3 is a conceptual diagram hierarchically illustrating a battery assembly unit 100 according to an exemplary embodiment of the present invention.
- the battery assembly unit 100 is divided into battery units constituting the inside thereof, and the minimum unit is the battery cell 101.
- the battery cell is a unit cell including a positive electrode, a negative electrode, and a separator, and is a minimum unit of power storage and supply.
- the plurality of battery cells 101 are connected to each other to form an aggregate, the plurality of battery cells 101 become a unit of the battery module 102.
- the battery pack 103 is formed.
- the battery system 104 becomes. Individual battery assembly units and any combination thereof constitute the battery assembly.
- This battery system 104 corresponds to the large battery system 104 to which the present invention is applied and is the smallest unit that can be installed in the smart grid (micro grid) area.
- the battery plant 105 becomes a battery plant 105.
- battery plant 105 is the power source with the largest capacity and voltage.
- the variable disconnection apparatus includes a battery cell 101, a battery module 102, a battery pack 103, a battery system 104, a battery plant 105, and the like corresponding to the battery assembly unit 100.
- the stability of the large battery system is secured by variably disconnecting the connection for each lower battery unit.
- the disconnection unit of the battery is illustrated as the battery cell 101, but the actual disconnection unit is a battery module corresponding to the battery assembly unit 100 as well as the battery cell 101. 102, battery pack 103, battery system 104, and battery plant 105, respectively.
- FIG. 4 illustrates a battery system 104 in accordance with one embodiment of the present invention.
- the battery system 104 has a wiring structure in which a plurality of battery units are accommodated in an accommodating device so that each battery unit is connected in parallel or in series.
- three battery modules 102 are connected to each other to form a battery pack 103 of one layer, and three layers of battery pack 103 are connected to each other to constitute a battery system 104.
- the battery system 104 is only an example and is not limited to this configuration.
- FIG. 5 is a device configuration diagram showing a schematic configuration of a variable disconnection device 1 according to an embodiment of the present invention.
- variable disconnection device includes a plurality of switches 11, a switch control module 12, and a disconnection control module 14.
- the switch 11 is installed in the wiring connecting the battery assembly unit 100, and is selectively installed in the wiring to perform a variable disconnect and disconnection (connect).
- the individual switch 11 can be used as long as it is known switch means known to control the electrical connection of the wiring, such as a semiconductor switch or a mechanical relay switch.
- the battery assembly unit 100 includes at least one selected from the group consisting of a battery cell 101, a battery module 102, a battery pack 103, a battery system 104, and a battery plant 105, or a combination thereof.
- the switch 11 is connected between the battery cell 101 and the cell 101, between the battery module 102 and the module 102, between the battery pack 103 and the pack 103, the battery system 104, and the like. It may be installed with a predetermined placement period between the systems 104 and between the battery plant 105 and the plant 105.
- the arrangement cycle means an interval at which the switch 11 is installed. For example, if the arrangement period is 3, it means that one switch 11 is installed for every three battery assembly units 100.
- the batch cycle may be variably adjusted as necessary, such as stability and filling capacity.
- the switch control module 12 receives an operation control signal of on or off of the switch 11 from the disconnection control module 13 to apply an open / close signal to each switch 11 to provide electrical Disconnect or disconnect (connect) the connection.
- the switch control module 12 can be implemented using conventional analog circuitry, such as analog front end circuitry. However, the present invention is not limited thereto.
- the disconnection control module 14 determines the disconnection level and transmits a disconnection command to the switch control module 12 according to the determined disconnection level to control the variable disconnection according to the situation-specific level.
- the disconnection command includes information for identifying the individual switch 11 to be controlled to open and close, and is information for applying an open / close operation signal (connect or disconnect) of the switch 11 to the switch control module 12.
- variable disconnection device 1 may further include a sensor module 13 composed of a plurality of sensors.
- the sensor module 13 detects a dangerous situation including temperature, humidity, leakage, flooding, earthquake, etc. and transmits it to the disconnection control module 14 in real time.
- the sensor module 13 may be installed at the structure door of the battery system to transmit the door open / closed state to the disconnection control module 14.
- data communication between the sensor module 13 and the disconnection control module 14 may be wired or wireless communication.
- the disconnection control module 14 may receive a manual input from an administrator and control the opening and closing of the switch 11.
- the disconnection control module 14 is connected to the input / output I / F 15 and the input / output I / F 15 is connected to the screen output means 16 and the data input means 17. Therefore, the administrator inputs data input means 17 (eg, if necessary) in the process of monitoring battery operation information such as sensor values and battery operation status of the sensor module 13 through the screen output means 16 (eg, a monitor). : You can input the disconnection command with the keyboard).
- the disconnection control module 14 may control the opening and closing of the switch 11 by receiving a disconnection command from an external terminal through a network.
- the disconnection control module 14 is connected to the wired or wireless communication module 18 for external network control, and receives the disconnection command wired or wirelessly transmitted from the communication module 18.
- FIG 6 illustrates the operation of the disconnection control module 14 according to an embodiment of the present invention.
- the disconnection control module 14 controls disconnection and connection of the interconnection wire according to an event occurrence situation such as an operation strategy of the variable disconnection device 1, an internal / external risk level, system maintenance, and the like.
- the disconnection control module 14 determines the disconnection level according to the event occurrence situation detected by the sensor module 13 and commands the disconnection command or the connection command to the switch control module 13.
- the disconnection control module 14 can receive a manual input from the administrator and transmit the corresponding connection command and disconnection command to the switch control module 13 (local command), and can be connected by wired or wireless network connection from a remote central control station.
- the command and the disconnection command can be received and transmitted to the switch control module 13 (remote command).
- the wired / wireless network typically includes all communication networks capable of data communication using various protocols such as mobile communication networks, wired and wireless public networks such as the Internet, or dedicated networks.
- the disconnection command includes identification information of the switch 11 to be disconnected according to the disconnection level, and the disconnection interval of the battery assembly unit 110 is shortened in a dangerous situation.
- the disconnection interval of the “state A” is shorter than that of the “state B”, and thus, the “state A” has been described as having a low capacity and a low power stabilization state.
- the disconnection control module 14 may command various situational disconnection commands as follows.
- a disconnection command is issued in units of the battery cell 101 which is the minimum unit in order to prevent an electric shock accident. If a dangerous situation is detected but there is no problem with the continuous use of the battery, disconnect part of the parallel connection, use only the remaining connected battery, and replace it with a battery that is disconnected in sequence to issue a connection command.
- a disconnection command may be issued to arbitrarily disconnect the parallel connection (see FIG. 2).
- the operator when the operator enters the maintenance mode into the battery system for the maintenance of the battery assembly unit 100, it is disconnected to the voltage level (for example 30 volts or less) required to ensure safety or the door and the door of the battery system structure
- the voltage level for example 30 volts or less
- a disconnection command that automatically switches below the safety level allowance can be issued.
- FIG 7 shows an embodiment of the sensor module 13 according to an embodiment of the present invention.
- the sensor module 13 may be directly installed in the battery assembly 110.
- the battery assembly 110 is a concept including a battery system controlled by the installation of the variable disconnect device of the present invention.
- the battery assembly 110 may be extended to a concept including a structure in which a plurality of battery assembly units 100 are located.
- the installation position of the sensor module 13 can be anywhere as long as it is a suitable point for detecting a dangerous situation.
- the sensor module 13 may be installed on the inner surface, the outer surface, and the door of the structure as well as the battery to detect a dangerous situation including temperature, humidity, leakage, flooding, earthquake, and the like, and disconnect the detection data. To send).
- a door sensor for opening and closing detection in the door that the operator enters and exits.
- the disconnection control module 14 may take the disconnection action of lowering the voltage below a stable level (for example, 30 volts or less) after receiving the detection data of the open state from the door sensor.
- the battery assembly 110 is a battery plant in which a plurality of battery systems are assembled.
- the battery plant is built in a space that can protect the battery system from the external environment.
- the battery assembly an air conditioning apparatus for maintaining the temperature and humidity of the battery plant at an appropriate level, and a fire extinguishing apparatus for extinguishing the fire are installed.
- the battery plant is provided with a disconnection control module 14 for performing charge / discharge control, screen monitoring, various protection operations, communication with the outside, and variable disconnection operation according to the present invention of each battery system constituting the battery plant. It is desirable to be.
- variable disconnection device of the large battery system Detailed functions and operations of the individual components constituting the variable disconnection device of the large battery system will be described through the method configuration described below.
- variable disconnection control method of the battery system may be preferably realized through the construction of the variable disconnection apparatus described above.
- FIG. 8 is a schematic flowchart of a variable disconnection control method according to an embodiment of the present invention.
- the battery system controls and monitors power storage and supply for the individual battery assembly unit 100.
- the control and monitoring may be operated according to the automation operation strategy, or may be operated according to a command received from the central control center through the administrator's manual input and wired or wireless network.
- An example of the battery assembly unit 100 has been described above with reference to FIGS. 3 and 4.
- the sensor module 13 of the variable disconnection device disconnects detection data such as a dangerous situation including a temperature, humidity, an electric leak, a flood, an earthquake, and an open / closed state of a door.
- the control module 14 transmits (S11).
- the sensor module 13 may be configured of a plurality of sensors, and individual sensors may be installed at different positions, and transmit sensing data by wired / wireless communication with the disconnection control module 14.
- the disconnection control module 14 receives the sensing data from the sensor module 13 in real time or at a predetermined cycle to determine a dangerous situation and then determines the disconnection level (S12).
- the disconnection level is information for determining the disconnection command and the connection command including information such as the switch 11, disconnection or connection, disconnection interval, etc. of the control target.
- disconnection control of the switch 11 in the unit of the battery cell 101 which is the minimum unit, occurs, and the disconnection interval is shortened.
- the disconnection control module 14 sends the disconnection command to the switch control module 13, and the switch control module 13 receives the disconnection command from the disconnection control module 14 ( S13).
- the switch control module 13 applies a disconnection signal (switch-off) to the switch 11 to be controlled, and the switch 11 disconnects the wiring connection (S14).
- the disconnection control module 14 transmits the connection command to the switch control module 13, and the switch control module 13 receives the connection command from the disconnection control module 14. (S15).
- the switch control module 13 applies a connection signal (switch-on) to the switch 11 to be controlled, and the switch 11 connects the wire connection (S16). After connection, the battery system is restored to the state before disconnection.
- the disconnection command and the connection command may be transmitted for each battery unit of the battery assembly unit 100 illustrated in FIG. 3.
- the command in the unit of the battery cell 101 may control the capacity and voltage of the power in more detail than the command in the unit of the battery system 104.
- the shorter the disconnection interval the more stable the low-capacity, low-voltage unit can be.
- the disconnection control module 14 is capable of automatic control according to the disconnection level of external situation data sensed by the sensor module 13, and receives the manual input from the administrator to control disconnection and connection of the switch control module 13. It is possible. Furthermore, after receiving a command from the central control station via the network, it is possible to control disconnection or connection.
- variable disconnection device As described above, embodiments of the variable disconnection device and the variable disconnection control method of the large battery system according to the present invention are configured.
- present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical idea of the present invention and claims to be described below by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents.
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Abstract
Description
Claims (19)
- 배터리 집합 단위의 물리적 연결을 가변적으로 단선 제어하는 가변적 단선 장치에 있어서,배터리 집합 단위의 연결 배선에 설치되어 배선을 전기적으로 연결 또는 단선시키는 스위치;상기 스위치에 온 또는 오프 신호를 인가하는 스위치 제어 모듈; 및감지된 위험 수준에 따라 상기 스위치 제어 모듈을 통제하여 개폐 스위치의 위치 및 수와 단선 간격을 가변시키는 단선 제어 모듈을 포함하는 것을 특징으로 하는 가변적 단선 장치.
- 제 1항에 있어서,상기 배터리 집합 단위는,외부 전력을 공급받아 저장하고 저장된 전력을 외부로 공급하는 배터리 셀;복수개 배터리 단위 셀의 집합체에 해당하는 배터리 모듈;복수개 배터리 단위 모듈의 집합체에 해당하는 배터리 팩;복수개 배터리 팩의 집합체에 해당하는 배터리 시스템; 및복수개 배터리 시스템의 집합체에 해당하는 배터리 플랜트중 어느 하나 또는 이들의 조합에 해당하는 것을 특징으로 하는 가변적 단선 장치.
- 제 1항 또는 제 2항에 있어서,실시간으로 현재 상황을 감지하여 감지 데이터를 단선 제어 모듈로 전송하는 센서 모듈을 더 포함하는 것을 특징으로 하는 가변적 단선 장치.
- 제 3항에 있어서,상기 센서 모듈은,배터리 집합 단위의 구조체 내부 또는 외부에 설치되거나 또는 원거리에 설치되어 온도, 습도, 누전, 침수 및 지진 중 어느 하나를 포함하는 위험 상황을 감지하고 유, 무선 연결에 의하여 감지한 위험 상황 정보를 단선 제어 모듈로 전송하는 것을 특징으로 하는 가변적 단선 장치.
- 제 4에 있어서,상기 단선 제어 모듈은 스위치 제어 모듈로 가변적 단선 또는 접속의 제어 신호를 출력하고,상기 제어 신호는 개폐 제어할 적어도 하나 이상의 스위치의 식별 정보를 포함하는 것을 특징으로 하는 가변적 단선 장치.
- 제 5항에 있어서,상기 단선 제어 모듈은,위험 상황으로 판단된 단선 레벨일수록 배터리 집합 단위의 단선 간격을 짧게 하는 것을 특징으로 하는 가변적 단선 장치.
- 제 6항에 있어서,상기 단선 제어 모듈은,관리자의 매뉴얼 명령 또는 외부 네트워크 명령을 받고 대응하는 접속 명령 또는 단선 명령을 스위치 제어 모듈로 전송할 수 있는 것을 특징으로 하는 가변적 단선 장치.
- 제 7항에 있어서,상기 단선 제어 모듈은,화면 출력 수단 및 데이터 입력 수단과 연결된 입출력 인터페이스와 연결되어, 상기 데이터 입력 수단에서 입력된 관련자의 매뉴얼 입력을 상기 입출력 인터페이스를 통하여 입력받고 대응하는 접속 명령 및 단선 명령을 상기 스위치 제어 모듈로 전송하는 기능; 및통신 수단과 연결되어, 중앙 통제소로부터 상기 통신 수단을 통하여 유, 무선 방식으로 접속 명령 및 단선 명령을 수신하여 상기 스위치 제어 모듈로 전송하는 기능중에서 적어도 하나의 기능을 구비하는 것을 특징으로 하는 가변적 단선 장치.
- 제 8항에 있어서,상기 단선 제어 모듈은,침수 상황이 감지되는 경우, 감전 사고를 예방하기 위하여 배터리 셀 단위로 단선하는 단선 명령;위험 상황이 감지되었으나 전력 공급에 문제가 없는 경우, 순차적으로 단선된 배터리 구성 모듈로 교체 접속하기 위하여, 병렬 연결의 일부를 단선하는 단선 명령;배터리 구성 모듈의 유지 보수를 위하여 배터리 시스템에 작업자가 정비 모드로 진입하는 경우, 관리자의 매뉴얼 명령으로 작업자 안전 허용치 이하의 전압 단위로 단선하는 단선 명령;배터리 시스템 구조물의 출입문과 연동하여 센서 모듈로부터 출입문 열림의 감지 데이터를 수신하면 자동으로 작업자 안전 허용치 이하의 전압 단위로 단선하는 단선 명령; 및배터리 시스템에서 예비용 배터리로 활용하기 위하여 병렬 연결을 임의로 단선하는 단선 명령중에서 적어도 하나의 명령을 내릴 수 있는 것을 특징으로 하는 가변적 단선 장치.
- 가변적 단선 장치와 배터리 집합 단위를 포함하여가변적 단선 장치가 배터리 집합 단위 및 배터리 집합 단위의 임의 조합에 대하여 가변적 단선을 제어하는 것을 특징으로 하는 배터리 집합체.
- 배터리 집합 단위의 물리적 연결을 가변적으로 단선 제어하는 가변적 단선 장치가 하기의 단계들을 실행하는 가변적 단선 제어 방법에 있어서,(S11)상기 가변적 단선 장치의 센서 모듈이 현재 상황을 감지하여 단선 제어 모듈로 전송하는 단계;(S12)단선 제어 모듈이 상기 센서 모듈로부터 현재 상황의 감지 데이터를 수신하여 위험 상황을 판단한 후 단선 레벨을 결정하는 단계;(S13)결정된 단선 레벨이 기 접속된 스위치 제어 모듈의 단선을 적용하는 경우, 단선 제어 모듈이 스위치 제어 모듈로 단선 명령을 전송하는 단계;(S14)스위치 제어 모듈이 단선 명령을 수신하여 대응하는 스위치의 물리적 연결을 단선으로 전환하는 단계;(S15)상기 단계(S12) 이후에, 결정된 단선 레벨이 기 단선된 스위치 제어 모듈의 단선을 해제하는 경우, 단선 제어 모듈이 스위치 제어 모듈로 접속 명령을 전송하는 단계; 및(S16)스위치 제어 모듈이 접속 명령을 수신하여 대응하는 스위치의 물리적 연결을 접속으로 전환하는 단계를 포함하는 것을 특징으로 하는 가변적 단선 제어 방법.
- 제 11항에 있어서,상기 배터리 집합 단위는,외부 전력을 공급받아 저장하고 저장된 전력을 외부로 공급하는 배터리 셀;복수개 배터리 단위 셀의 집합체에 해당하는 배터리 모듈;복수개 배터리 단위 모듈의 집합체에 해당하는 배터리 팩;복수개 배터리 팩의 집합체에 해당하는 배터리 시스템; 및복수개 배터리 시스템의 집합체에 해당하는 배터리 플랜트중 어느 하나 또는 이들의 조합에 해당하는 것을 특징으로 하는 가변적 단선 제어 방법.
- 제 12항에 있어서,센서 모듈은,배터리 집합 단위의 구조체 내부 또는 외부에 설치되거나 또는 원거리에 설치되어 온도, 습도, 누전, 침수 및 지진 중 어느 하나를 포함하는 위험 상황을 감지하고, 유, 무선 연결에 의하여 감지한 위험 상황 정보를 단선 제어 모듈로 전송하는 것을 특징으로 하는 가변적 단선 제어 방법.
- 제 13에 있어서,상기 단선 제어 모듈은 스위치 제어 모듈로 가변적 단선 또는 접속의 제어 신호를 출력하고,상기 제어 신호는 개폐 제어할 적어도 하나 이상의 스위치의 식별 정보를 포함하는 것을 특징으로 하는 가변적 단선 제어 방법.
- 제 14항에 있어서,상기 단선 제어 모듈은,위험 상황으로 판단된 단선 레벨일수록 배터리 집합 단위의 단선 간격을 짧게 하는 것을 특징으로 하는 가변적 단선 제어 방법.
- 제 15항에 있어서,상기 단선 제어 모듈은,관리자의 매뉴얼 명령 또는 외부 네트워크 명령을 받고 대응하는 접속 명령 또는 단선 명령을 스위치 제어 모듈로 전송할 수 있는 것을 특징으로 하는 가변적 단선 제어 방법.
- 제 16항에 있어서,상기 단선 제어 모듈은,화면 출력 수단 및 데이터 입력 수단과 연결된 입출력 인터페이스와 연결되어, 상기 데이터 입력 수단에서 입력된 관련자의 매뉴얼 입력을 상기 입출력 인터페이스를 통하여 입력받고 대응하는 접속 명령 및 단선 명령을 상기 스위치 제어 모듈로 전송하는 기능; 및통신 수단과 연결되어, 중앙 통제소로부터 상기 통신 수단을 통하여 유, 무선 방식으로 접속 명령 및 단선 명령을 수신하여 상기 스위치 제어 모듈로 전송하는 기능중에서 적어도 하나의 기능을 구비하는 것을 특징으로 하는 가변적 단선 제어 방법.
- 제 17항에 있어서,상기 단선 제어 모듈은,침수 상황이 감지되는 경우, 감전 사고를 예방하기 위하여 배터리 셀 단위로 단선하는 단선 명령;위험 상황이 감지되었으나 전력 공급에 문제가 없는 경우, 순차적으로 단선된 배터리 구성 모듈로 교체 접속하기 위하여, 병렬 연결의 일부를 단선하는 단선 명령;배터리 구성 모듈의 유지 보수를 위하여 배터리 시스템에 작업자가 정비 모드로 진입하는 경우, 관리자의 매뉴얼 명령으로 작업자 안전 허용치 이하의 전압 단위로 단선하는 단선 명령;배터리 시스템 구조물의 출입문과 연동하여 센서 모듈로부터 출입문 열림의 감지 데이터를 수신하면 자동으로 작업자 안전 허용치 이하의 전압 단위로 단선하는 단선 명령; 또는배터리 시스템에서 예비용 배터리로 활용하기 위하여 병렬 연결을 임의로 단선하는 단선 명령을 내릴 수 있는 것을 특징으로 하는 가변적 단선 제어 방법.
- 제 11항 또는 제 12항에 있어서,가변적 단선 장치가 배터리 집합 단위 및 배터리 집합 단위의 임의 조합에 대하여 가변적 단선을 제어하는 것을 특징으로 하는 가변적 단선 제어 방법.
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2010
- 2010-09-30 KR KR1020100095338A patent/KR101579195B1/ko active IP Right Grant
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2011
- 2011-09-30 JP JP2013531501A patent/JP5843208B2/ja active Active
- 2011-09-30 EP EP11829631.8A patent/EP2634855B1/en active Active
- 2011-09-30 CN CN201180047802.2A patent/CN103140981B/zh active Active
- 2011-09-30 WO PCT/KR2011/007279 patent/WO2012044125A2/ko active Application Filing
- 2011-09-30 BR BR112013007827A patent/BR112013007827B1/pt active IP Right Grant
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2013
- 2013-03-27 US US13/851,239 patent/US9362741B2/en active Active
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2015
- 2015-07-09 JP JP2015137943A patent/JP6198778B2/ja active Active
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Also Published As
Publication number | Publication date |
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CN103140981B (zh) | 2015-08-05 |
BR112013007827B1 (pt) | 2019-11-26 |
WO2012044125A3 (ko) | 2012-07-19 |
BR112013007827A2 (pt) | 2016-06-14 |
JP2015228790A (ja) | 2015-12-17 |
US20130207476A1 (en) | 2013-08-15 |
EP2634855A4 (en) | 2016-10-12 |
JP2013546119A (ja) | 2013-12-26 |
KR20120033680A (ko) | 2012-04-09 |
JP6198778B2 (ja) | 2017-09-20 |
KR101579195B1 (ko) | 2015-12-21 |
US9362741B2 (en) | 2016-06-07 |
EP2634855B1 (en) | 2019-08-21 |
CN103140981A (zh) | 2013-06-05 |
EP2634855A2 (en) | 2013-09-04 |
JP5843208B2 (ja) | 2016-01-13 |
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