WO2023013907A1 - 배터리 제어 장치, 그것의 동작 방법 및 배터리 제어 시스템 - Google Patents
배터리 제어 장치, 그것의 동작 방법 및 배터리 제어 시스템 Download PDFInfo
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- WO2023013907A1 WO2023013907A1 PCT/KR2022/010029 KR2022010029W WO2023013907A1 WO 2023013907 A1 WO2023013907 A1 WO 2023013907A1 KR 2022010029 W KR2022010029 W KR 2022010029W WO 2023013907 A1 WO2023013907 A1 WO 2023013907A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
- H02J7/52—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially for charge balancing, e.g. equalisation of charge between batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/13—Maintaining the SoC within a determined range
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- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/22—Balancing the charge of battery modules
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- H—ELECTRICITY
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- 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
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- 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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- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1446—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle in response to parameters of a vehicle
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- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
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- H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
- H02J7/663—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements using battery or load disconnect circuits
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- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
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- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/971—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
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- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
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- H02J2105/32—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles for aircrafts
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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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- 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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Definitions
- Embodiments disclosed in this document relate to a battery control device, an operating method thereof, and a battery control system.
- the secondary battery is a battery capable of charging and discharging, and includes all of the conventional Ni/Cd batteries, Ni/MH batteries, and recent lithium ion batteries.
- lithium ion batteries have the advantage of much higher energy density than conventional Ni/Cd batteries and Ni/MH batteries.
- lithium ion batteries can be manufactured in a small size and light weight, so they are used as a power source for mobile devices. Recently, the use range has been expanded as a power source for electric vehicles, and it is attracting attention as a next-generation energy storage medium.
- Mobility is a general term for transportation with mobility.
- batteries used in mobility it is essential to manage the deterioration of batteries in order to increase their lifespan.
- air mobility since it is operated in the sky, it is impossible to stop unlike mobility that operates on the ground, so problems may occur in an emergency.
- One object of the embodiments disclosed in this document is to provide a battery control device capable of efficiently controlling the operation of a battery included in mobility, an operating method thereof, and a battery control system.
- the battery control device is based on information about mobility, information about a first battery that supplies power to each of the modules included in the mobility, and provided in each of the modules and based on the operation of the mobility.
- an information acquisition unit for obtaining information about a second battery that supplies power to the module as an auxiliary power source for the first battery and controlling operations of the first battery and the second battery based on the obtained information It may include a controller for generating a control signal to.
- the controller may generate a control signal for assisting power supply of the first battery by charging or discharging the second battery based on the speed or instantaneous speed of the mobility.
- the controller generates a control signal for controlling balancing between the second batteries when the deviation of state of charge (SOC) or state of health (SOH) between the second batteries is greater than or equal to a reference value can do.
- SOC state of charge
- SOH state of health
- the controller when an abnormality occurs in at least one of the second batteries, the emergency operation mode of the mobility based on the operation of the second battery other than the first battery and the second battery in which the abnormality occurs. It is possible to generate a control signal for controlling the operation of the first battery and the second battery to perform.
- the controller may perform an emergency operation mode of the mobility based on the operation of the first battery when the number of second batteries in which an abnormality has occurred among the second batteries is equal to or greater than a predetermined value.
- a control signal for controlling the operation of the battery and the second battery may be generated.
- the controller controls the operation of the first battery and the second battery to perform an emergency operation mode of the mobility based on the operation of the second battery when a problem occurs in the first battery.
- a control signal can be generated.
- a method of operating a battery control device includes information about mobility, information about a first battery that supplies power to each of the modules included in the mobility, and provided in each of the modules. Acquiring information about a second battery that supplies power to the module as an auxiliary power source for the first battery based on an operation, and controlling operations of the first battery and the second battery based on the obtained information. It may include generating a control signal for controlling.
- generating a control signal for controlling the operation of the first battery and the second battery based on the obtained information may include charging the second battery based on the speed or instantaneous speed of the mobility.
- a control signal for controlling power supply of the first battery to be assisted by discharging may be generated.
- generating a control signal for controlling the operation of the first battery and the second battery based on the obtained information may include state of charge (SOC) or state of charge (SOH) between the second battery. health) may include determining whether the deviation is greater than or equal to a reference value and generating a control signal for controlling balancing between the second batteries.
- SOC state of charge
- SOH state of charge
- generating a control signal for controlling the operation of the first battery and the second battery based on the obtained information may include determining whether or not an abnormality has occurred in at least one of the second batteries. and a control signal for controlling the operation of the first battery and the second battery to perform an emergency operation mode of the mobility based on the operation of the second battery other than the first battery and the second battery in which the error occurred. It may include generating steps.
- the generating of a control signal for controlling the operation of the first battery and the second battery based on the obtained information may include the number of second batteries having an abnormality among the second batteries set in advance. Determining whether the value is greater than or equal to a value and generating a control signal for controlling operations of the first battery and the second battery to perform an emergency operation mode of the mobility based on the operation of the first battery. can do.
- generating a control signal for controlling the operation of the first battery and the second battery based on the obtained information includes determining whether an abnormality has occurred in the first battery and the The method may include generating a control signal for controlling operations of the first battery and the second battery to perform an emergency driving mode of the mobility based on an operation of the second battery.
- a battery control system includes a first battery for supplying power to each of the modules included in the mobility, provided in each of the modules, and assisting the first battery based on the operation of the mobility. Acquiring information about a second battery that supplies power to the module as a power source, the mobility, the first battery, and the second battery, and operations of the first battery and the second battery based on the obtained information It may include a control device for controlling.
- control device may charge or discharge the second battery based on the speed or instantaneous speed of the mobility to assist power supply of the first battery.
- control device may perform balancing between the second batteries when a deviation of state of charge (SOC) or state of health (SOH) between the second batteries is equal to or greater than a reference value.
- SOC state of charge
- SOH state of health
- control device when an abnormality occurs in at least one of the second batteries, emergency operation of the mobility based on operations of the second batteries other than the first battery and the second battery in which the abnormality occurs. mode can be performed.
- control device may perform an emergency driving mode of the mobility based on the operation of the first battery when the number of second batteries having an abnormality among the second batteries is equal to or greater than a preset value.
- control device may perform an emergency driving mode of the mobility based on an operation of the second battery when a problem occurs in the first battery.
- the battery control device may manage the degree of deterioration of the battery by controlling the operation of the battery based on the information about the mobility and the information about the battery included in the mobility.
- the battery control device can control the operation of a battery based on information about mobility and information about a battery included in the mobility so that the mobility can efficiently reach a target speed or an instantaneous speed. .
- the battery control device controls the operation of a battery based on information about mobility and information about a battery included in the mobility, and performs an emergency operation mode when an error occurs in the battery included in the mobility. can make it
- FIG. 1 is a diagram showing mobility according to an embodiment disclosed in this document.
- FIG. 2 is a block diagram showing a battery control system according to an embodiment disclosed in this document.
- FIG. 3 is a diagram showing a battery control device according to an embodiment disclosed in this document.
- FIG. 4 is a diagram illustrating an example of controlling a battery based on a speed of mobility in a battery control device according to an embodiment disclosed in this document.
- 5 and 6 are diagrams illustrating an example of controlling a battery based on an instantaneous speed of mobility in a battery control device according to an embodiment disclosed in this document.
- FIG. 7 is a flowchart illustrating an operating method of a battery control device according to an exemplary embodiment disclosed herein.
- FIGS. 8 to 10 are diagrams additionally illustrating an operating method of a battery control device according to an exemplary embodiment disclosed in this document.
- FIG. 1 is a diagram showing mobility according to an embodiment disclosed in this document.
- mobility 1000 may mean a means having mobility.
- the mobility 1000 may include at least one of a vehicle, an electric quickboard, an airplane, a drone, a helicopter, a train, a bicycle, and a two-wheeled vehicle.
- the mobility 1000 may include a means for having mobility through at least one energy of electricity, hydrogen, or fuel.
- the mobility 1000 is shown in the shape of an airplane in FIG. 1, it is not limited thereto.
- Mobility 1000 may include module 1100 .
- mobility 1000 may include a plurality of modules 1100 .
- the module 1100 is shown in the shape of a propeller, but is not limited thereto. That is, the module may include a device driven by using energy so that the mobility 1000 can move.
- the mobility 1000 may be powered by a battery.
- each of the modules 1100 may include a battery and may be driven based on the energy of the included battery.
- the mobility 1000 may include a battery capable of supplying energy to the mobility 1000 and the module 1100 .
- the mobility 1000 may include a battery control device capable of controlling the operation of the battery in order to efficiently manage and use (charge or discharge) the battery.
- the mobility 1000 may control the operation of the battery through a battery control device so that each module 1100 and the mobility 1000 can operate efficiently.
- FIG. 2 is a block diagram showing a battery control system according to an embodiment disclosed in this document.
- the battery control system 100 may include a first battery 110 , a second battery 120 and a control device 130 .
- Module 1100 may be substantially the same as module 1100 of FIG. 1 .
- each module 1100 may include a driving device 1110 and a second battery 120 .
- the driving device 1110 may include a motor (not shown) and an inverter (not shown).
- the driving device 1110 may receive power from the first battery 110 and the second battery 120 in parallel.
- the first battery 110 may supply power to each of the modules 1100 included in the mobility.
- the first battery 110 may supply power to all modules 1100 included in the mobility as a base battery.
- the first battery 110 may be, for example, a lithium-ion (Li-ion) battery, a lithium-ion polymer (Li-ion polymer) battery, a nickel cadmium (Ni-Cd) battery, a nickel-metal hydride (Ni-MH) battery, or the like. and is not limited thereto.
- the first battery 110 may include at least one of a plurality of battery cells (not shown), a plurality of battery modules (not shown), and a plurality of battery packs (not shown).
- the second battery 120 may be provided in each module 1100 .
- each module 1100 may include a second battery 120 .
- the second battery 120 may be, for example, a lithium-ion (Li-ion) battery, a lithium-ion polymer (Li-ion polymer) battery, a nickel cadmium (Ni-Cd) battery, a nickel-metal hydride (Ni-MH) battery, or the like. and is not limited thereto.
- the second battery 120 may supply power to the module 1100 as an auxiliary power source for the first battery 110 based on the operation of the mobility.
- the second battery 120 may supply power to each of the modules 1100 when charging or discharging of additional power is required in addition to the power supplied from the first battery 110 to the module 1100 .
- the second batteries 120 included in each of the modules 1100 may supply power of different sizes to the modules 1100 connected to each other.
- the number of second batteries 120 may be plural, and may have the same number as the number of modules 1100 .
- the control device 130 may control operations of the first battery 110 and the second battery 120 .
- the control device 130 may obtain information about the first battery 110, the second battery 120, and mobility, and the first battery 110 and the second battery based on the obtained information.
- the operation of (120) can be controlled.
- the control device 130 may receive power from the first battery 110 .
- the control device 130 may control the output (power supply) of the first battery 110 and the second battery 120 .
- the control device 130 may charge or discharge the second battery 120 based on the speed or instantaneous speed of the mobility to assist power supply (output, operation) of the first battery 110 .
- the controller 130 discharges the second battery 120 when the target speed of the mobility to be reached is higher than the maximum speed obtained by supplying power to the module 1100 from the first battery 110.
- the outputs of the first battery 110 and the second battery 120 can be controlled so that the mobility can reach a target speed.
- the control device 130 first controls the second battery 120 to recover (charge) power from the module 1100 so that the second battery 120 is included in the module 1100.
- the speed of the driving device 1110 can be lowered, and then the output of the first battery 110 is controlled to be lowered so that the mobility can quickly reach the target speed of the first battery 110 and the second battery 120. You can control the output.
- the control device 130 first controls the second battery 120 to supply (discharge) power to the driving device 1110 included in the module 1100.
- the operation of the first battery 110 and the second battery 120 can be controlled so that the speed of the battery can be lowered, and then the output of the first battery 110 can be controlled to increase so that the mobility can quickly reach the target speed. there is.
- the control device 130 may perform balancing between the second batteries 120 when the deviation of state of charge (SOC) or state of health (SOH) between the second batteries 120 is equal to or greater than a reference value.
- the control device 130 is a driving device connected to a module corresponding to the other second battery when one second battery has an SOC or SOH value that is different from that of the other second battery by a reference value or more. It is possible to control the operation of the second battery 120 so that SOC and SOH between the second batteries 120 are balanced while normal operation of the mobility is performed by using additionally. That is, the control device 130 may control the operation of the second batteries 120 so that the difference in degeneration between the second batteries 120 is less than or equal to a reference value.
- the control device 130 When a problem occurs in at least one of the second batteries 120, the control device 130 operates an emergency driving mode for mobility based on operations of the second batteries other than the first battery 110 and the second battery in which the problem occurs. can be performed. For example, if the control device 130 can operate at the target speed only with the output of the second battery and the first battery except for the second battery in which the fault occurs, the control device 130 supplies power to the driving device connected to the faulty second battery. It can be turned off to perform emergency operation. That is, the emergency driving mode may be a mode for turning off the power of a driving device connected to the second battery in which an abnormality occurs when the mobility can be operated at a conventional speed.
- the control device 130 may perform an emergency operation mode of the mobility based on the operation of the first battery when the number of second batteries having an abnormality among the second batteries is equal to or greater than a preset value. For example, the control device 130 may set a preset value based on the target speed of the mobility, and since the number of second batteries having an abnormality is greater than or equal to the preset value, the operation of the mobility at the target speed may be performed. If it is impossible, it is possible to control the mobility to operate using only the first battery 110 . That is, the control device 130 can turn off the power of driving devices connected to all the second batteries 120 and can control the mobility to operate only with the output of the first battery 110 . In one embodiment, the control device 130 may perform an emergency operation mode of the mobility based on location information of the second battery in which an abnormality has occurred among the second batteries.
- the control device 130 may perform an emergency operation mode of mobility based on the operation of the second battery 120. For example, when it is determined that an error has occurred in the first battery 110, the control device 130 stops using the first battery 110 and removes one of the second batteries 120 from the second battery. It may be possible to continuously operate by receiving power, and control to operate the mobility based on the operation of the second battery 120 .
- the control device 130 controls the operation of the first battery 110 and the second battery 120 so that the mobility is a target speed or a target instantaneous speed. , it is possible to balance the degree of degeneration between the second batteries 120, and it is possible to perform an emergency operation mode in case of an emergency of mobility.
- FIG. 3 is a diagram showing a battery control device according to an embodiment disclosed in this document.
- the battery control device 200 may include an information acquisition unit 210 and a controller 220 .
- the battery control device 200 may be substantially the same as the control device 130 of FIG. 2 .
- the information acquisition unit 210 may acquire information about mobility.
- the information acquisition unit 210 may acquire at least one of a target speed, a target instantaneous speed, a current speed, a maximum speed, and a minimum speed of mobility.
- the information acquisition unit 210 may acquire information about a first battery that supplies power to each module included in the mobility.
- the first battery may be substantially the same as the first battery 110 of FIG. 2 .
- the information about the first battery includes at least one of voltage, current, temperature, insulation resistance, state of charge (SOC), state of health (SOH), and information about failure of the first battery. can do.
- the information obtaining unit 210 may acquire information about a second battery that supplies power to the module as an auxiliary power source for the first battery based on the operation of the mobility.
- the second battery may be substantially the same as the second battery 120 of FIG. 2 .
- the information on the second battery includes at least one of information about voltage, current, temperature, insulation resistance, state of charge (SOC), state of health (SOH), and failure of the second battery. can do.
- the controller 220 may generate a control signal for controlling operations of the first battery and the second battery based on the obtained information. For example, the controller 220 generates a control signal for controlling the operation of the first battery and the second battery based on information about the mobility, the first battery, and the second battery, thereby controlling the mobility to operate normally.
- the controller 220 may generate a control signal for controlling to charge or discharge the second battery based on the speed or instantaneous speed of the mobility to assist the output of the first battery. For example, the controller 220 additionally supplies power from the second battery to the module based on the target speed or target instantaneous speed of the mobility, or supplies power to the first battery by using the power supplied to the module by the second battery. It is possible to generate a control signal that controls to assist (output).
- FIG. 4 is a diagram illustrating an example of controlling a battery based on a speed of mobility in a battery control device according to an embodiment disclosed in this document.
- the controller 220 when a speed that cannot be reached with the output of the first battery is the target speed of mobility, the controller 220 additionally supplies the output of the second battery to the module so that the mobility can reach the target speed.
- a control signal for controlling the operation of the second battery may be generated.
- 5 and 6 are diagrams illustrating an example of controlling a battery based on an instantaneous speed of mobility in a battery control device according to an embodiment disclosed in this document.
- the controller 220 in order for the mobility to quickly reach the target speed v1 from the initial speed v0, the controller 220 additionally supplies the output of the second battery to the module (by discharging the second battery) so that the first It is possible to generate a control signal for controlling to increase the instantaneous speed by assisting the output of the battery.
- the controller 220 increases the output of the second battery to reach the target speed v1 of the mobility and at the same time increases the output of the first battery to gradually reduce the use of the first battery and the second battery. It is possible to generate a control signal for controlling the output of.
- the controller 220 may discharge the second battery to quickly reach the target speed v1 of mobility, and if the target speed v1 of mobility can be maintained only with the output of the first battery, the second battery It is possible to generate a control signal for controlling to stop the discharging operation of.
- the controller 220 charges the second battery based on the voltage supplied to the module to supply power to the first battery ( output) to generate a control signal that controls to reduce the instantaneous speed.
- the controller 220 operates the first battery and the second battery to gradually reduce the charging of the second battery by charging the second battery to reach the target speed v1 of the mobility and simultaneously reducing the output of the first battery. It is possible to generate a control signal for controlling.
- the controller 220 may charge the second battery to quickly reach the target speed v1 of mobility, and when the target speed v1 of mobility can be maintained only with the output of the first battery, the second battery It is possible to generate a control signal for controlling to stop the power recovery operation of the.
- the controller 220 may generate a control signal for controlling balancing between the second batteries when the SOC or SOH deviation between the second batteries is greater than or equal to a reference value. For example, the controller 220 may determine whether the deviation of SOC or SOH of each of the second batteries obtained by the information acquisition unit 210 is greater than or equal to a reference value, and may determine a second battery having a deviation greater than or equal to the reference value. there is. The controller 220 generates a control signal to increase the output of the remaining second batteries except for the second battery having a deviation greater than or equal to a reference value, thereby additionally using a module including the remaining second batteries to control the mobility to operate normally. and balancing between the second batteries.
- the controller 220 when a problem occurs in at least one of the second batteries, performs an emergency operation mode of the mobility based on the operation of the second batteries other than the first battery and the second battery in which the problem occurs, so as to perform the first battery and the second battery in which the problem occurs.
- a control signal for controlling the operation of the second battery may be generated.
- the controller 220 may determine whether or not an abnormality has occurred in at least one of the second batteries, and can identify the second battery in which the abnormality has occurred.
- the controller 220 when it is possible to operate the mobility at the existing target speed based on the outputs of the first battery and the second battery excluding the second battery in which the abnormality occurs, stops using the second battery in which the abnormality occurs, A control signal for controlling the operation of the first battery and the second battery may be generated so that the mobility can run in an emergency based on outputs of the first battery and the second battery excluding the second battery in which an error occurs.
- the controller 220 provides a control signal for controlling the operation of the first battery to perform an emergency driving mode of mobility based on the output of the first battery when the number of second batteries having an abnormality among the second batteries is equal to or greater than a preset value.
- the controller 220 when the number of second batteries with an abnormality is greater than a preset value, it is difficult to operate the mobility at the existing driving speed with the output of the first battery and the second battery without an abnormality.
- a control signal for controlling operations of the first battery and the second battery may be generated so that the use of the second battery is stopped and the mobility is operated in an emergency using only the output of the first battery.
- the controller 220 may generate a control signal for controlling the operation of the first battery and the second battery to perform an emergency driving mode of mobility based on the operation of the second battery when a problem occurs in the first battery. For example, when a problem occurs in the first battery, the controller 220 may operate by receiving power from any one of the second batteries, stop using the first battery, and perform mobility only with the output of the second battery. A control signal for controlling the operation of the first battery and the second battery for emergency operation may be generated.
- the battery control device 200 generates a control signal for controlling the operation of the first battery and the second battery in the controller 220 based on the information acquired by the information acquisition unit 210. By doing so, the mobility can reach the target speed and the target instantaneous speed, the degree of deterioration between the second batteries can be matched, and the emergency operation mode of the mobility can be performed. That is, the battery control device 200 can efficiently operate mobility and use the battery by controlling the operation of the first battery and the second battery.
- FIG. 7 is a flowchart illustrating an operating method of a battery control device according to an exemplary embodiment disclosed herein.
- the operating method of the battery control device 200 includes information about mobility, information about a first battery that supplies power to each module included in the mobility, and each module. Obtaining information about a second battery provided in the battery and supplying power to the module as an auxiliary power source for the first battery based on the operation of the mobility (S110), and the first battery and the second battery based on the obtained information It may include generating a control signal for controlling the operation of (S120).
- the information acquisition unit 210 may acquire information about mobility, information about the first battery, and information about the second battery.
- information about mobility may include at least one of a target speed, a target instantaneous speed, a current speed, a maximum speed, and a minimum speed of the mobility.
- each of the information about the first battery and the second battery is the voltage, current, temperature, insulation resistance, state of charge (SOC), state of health (SOH), and failure of the first battery and the second battery. It may include at least one of information about.
- the controller 220 includes the mobility acquired from the information acquisition unit 210, the first battery and the second battery. Operations of the first battery and the second battery may be controlled based on battery information. For example, in step S120, the controller 220 may charge or discharge the second battery based on the speed or instantaneous speed of the mobility to generate a control signal for controlling power supply (output) of the first battery. .
- FIGS. 8 to 10 are diagrams additionally illustrating an operating method of a battery control device according to an exemplary embodiment disclosed in this document.
- the operating method of the battery control device 200 includes determining whether the SOC or SOH deviation between the second batteries is greater than or equal to a reference value (S210) and the second batteries. It may include generating a control signal for controlling to perform balancing between them (S220). In one embodiment, steps S210 and S220 may be included in step S120 of FIG. 7 .
- step S210 of determining whether the SOC or SOH deviation between the second batteries is greater than or equal to a reference value the controller 220 may determine whether the SOC or SOH deviation between the second batteries is greater than or equal to a reference value. For example, the controller 220 may identify a second battery having an SOC or SOH deviation greater than or equal to a reference value.
- the controller 220 may generate a control signal for controlling balancing between the second batteries. For example, the controller 220 may adjust the degree of deterioration between the second batteries by increasing the outputs of the second batteries except for the second batteries having SOC or SOH deviations greater than or equal to a reference value.
- the operating method of the battery control device 200 includes determining whether an abnormality has occurred in at least one of the second batteries (S310), among the second batteries. Determining whether the number of second batteries with an error is greater than or equal to a preset value (S320), and selecting an emergency operation mode of the mobility based on the operation of the second batteries other than the first battery and the second battery with an error. Generating a control signal for controlling the operation of the first battery and the second battery to be performed (S330) and a control signal for controlling the operation of the first battery to perform an emergency driving mode of mobility based on the operation of the first battery It may include generating (S340). In one embodiment, steps S310 and S330 may be included in step S120 of FIG. 7 . In another embodiment, step S120 of FIG. 7 may further include steps S320 and S340.
- step S310 of determining whether an abnormality has occurred in at least one of the second batteries the controller 220 may determine whether or not an abnormality has occurred in at least one of the second batteries. For example, the controller 220 may determine whether or not an abnormality has occurred in at least one of the second batteries based on failure information acquired by the information acquisition unit 210 or a specific physical quantity.
- step S320 of determining whether the number of second batteries having an abnormality among the second batteries is greater than or equal to a preset value the controller 220 may set a preset value based on the target speed of the mobility, and the second battery It may be determined whether or not the number of second batteries in which the middle failure has occurred is greater than or equal to a preset value.
- the controller 220 may perform step S340 when the number of second batteries with an error is equal to or greater than a preset value, and may perform step S330 when the number of second batteries with an error is less than the preset value.
- the controller 220 controls the operation of the first battery and the second battery to perform the emergency operation mode of the mobility based on the operation of the second battery and the operation of the first battery except for the second battery in which the error occurs.
- signal can be generated. For example, since the target speed of the mobility can be reached based on the output of the first battery and the outputs of the second batteries other than the second battery in which the fault occurs, the controller 220 determines the speed of the second battery in which the fault occurs. Mobility can be operated in an emergency by stopping use and generating a control signal for controlling the operation of the remaining second battery and first battery.
- the controller 220 In the step of generating a control signal for controlling the operation of the first battery and the second battery to perform the emergency operation mode of the mobility based on the operation of the first battery (S340), the controller 220 is based only on the output of the first battery. Thus, a control signal for controlling the operation of the first battery and the second battery to perform the emergency driving mode of the mobility may be generated. For example, since the target speed of the mobility cannot be reached based on the output of the first battery and the outputs of the second batteries other than the second battery having an error, the controller 220 uses all of the second batteries. may be stopped, and a control signal for controlling the mobility to operate only with the output of the first battery may be generated.
- the operating method of the battery control device 200 is based on determining whether an abnormality has occurred in the first battery (S410) and the operation of the second battery It may include generating a control signal for controlling the operation of the first battery and the second battery to perform the emergency driving mode of the mobility (S420). In one embodiment, steps S410 and S420 may be included in step S120 of FIG. 7 .
- the controller 220 may determine whether an abnormality has occurred in the first battery based on the information acquired by the information obtaining unit 210 . For example, when there is no abnormality in the first battery, the controller 220 may generate a control signal for controlling the operation of the first battery and the second battery so that the mobility operates normally.
- the controller 220 uses the output of the first battery. Since it is not possible to do so, the operation of the first battery and the second battery is performed so that power is supplied from one of the second batteries, the use of the first battery is stopped, and the mobility is operated based on the output of the second battery. It is possible to generate a control signal to control.
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Abstract
Description
Claims (18)
- 모빌리티에 관한 정보, 상기 모빌리티에 구비된 모듈에 전원을 공급하는 제1 배터리에 관한 정보 및 상기 모듈 각각에 마련되고 상기 모빌리티의 동작에 기반하여 상기 제1 배터리에 대한 보조 전원으로서 상기 모듈에 전원을 공급하는 제2 배터리에 관한 정보를 획득하는 정보 획득부; 및상기 모빌리티, 상기 제1 배터리 및 상기 제2 배터리에 관한 정보를 기초로 상기 제1 배터리와 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 컨트롤러를 포함하는 배터리 제어 장치.
- 제 1 항에 있어서,상기 컨트롤러는,상기 모빌리티의 속도 또는 순간 속도에 기반하여 상기 제2 배터리를 충전 또는 방전하여 상기 제1 배터리의 전원 공급을 보조하도록 제어하는 제어신호를 생성하는 것을 특징으로 하는 배터리 제어 장치.
- 제 1 항에 있어서,상기 제2 배터리는 복수개이고,상기 컨트롤러는,상기 제2 배터리 간의 SOC(state of charge) 또는 SOH(state of health) 편차가 기준치 이상인 경우, 상기 제2 배터리들 사이에 밸런싱을 수행하도록 제어하는 제어신호를 생성하는 것을 특징으로 하는 배터리 제어 장치.
- 제 1 항에 있어서,상기 제2 배터리는 복수개이고,상기 컨트롤러는,상기 제2 배터리 중 적어도 하나에 이상이 발생한 경우, 상기 제1 배터리와 이상이 발생한 제2 배터리를 제외한 나머지 제2 배터리의 동작에 기반하여 상기 모빌리티의 비상 운전 모드를 수행하도록 상기 제1 배터리 및 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 것을 특징으로 하는 배터리 제어 장치.
- 제 4 항에 있어서,상기 컨트롤러는,상기 제2 배터리 중 이상이 발생한 제2 배터리의 개수가 기 설정값 이상인 경우, 상기 제1 배터리의 동작에 기반하여 상기 모빌리티의 비상 운전 모드를 수행하도록 상기 제1 배터리 및 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 것을 특징으로 하는 배터리 제어 장치.
- 제 1 항에 있어서,상기 컨트롤러는,상기 제1 배터리에 이상이 발생한 경우, 상기 제2 배터리의 동작에 기반하여 상기 모빌리티의 비상 운전 모드를 수행하도록 상기 제1 배터리 및 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 것을 특징으로 하는 배터리 제어 장치.
- 모빌리티에 관한 정보, 상기 모빌리티에 구비된 모듈 각각에 전원을 공급하는 제1 배터리에 관한 정보 및 상기 모듈 각각에 마련되고 상기 모빌리티의 동작에 기반하여 상기 제1 배터리에 대한 보조 전원으로서 상기 모듈에 전원을 공급하는 제2 배터리에 관한 정보를 획득하는 단계; 및상기 모빌리티, 상기 제1 배터리 및 상기 제2 배터리에 관한 정보를 기초로 상기 제1 배터리와 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 단계; 를 포함하는 배터리 제어 장치의 동작 방법.
- 제 7 항에 있어서,상기 획득된 정보를 기초로 상기 제1 배터리와 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 단계는,상기 모빌리티의 속도 또는 순간 속도에 기반하여 상기 제2 배터리를 충전 또는 방전하여 상기 제1 배터리의 전원 공급을 보조하도록 제어하는 제어신호를 생성하는 것을 특징으로 하는 배터리 제어 장치의 동작 방법.
- 제 7 항에 있어서,상기 제2 배터리는 복수개이고,상기 획득된 정보를 기초로 상기 제1 배터리와 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 단계는,상기 제2 배터리 간의 SOC(state of charge) 또는 SOH(state of health) 편차가 기준치 이상인지 여부를 판단하는 단계; 및상기 제2 배터리들 사이에 밸런싱을 수행하도록 제어하는 제어신호를 생성하는 단계; 를 포함하는 것을 특징으로 하는 배터리 제어 장치의 동작 방법.
- 제 7 항에 있어서,상기 제2 배터리는 복수개이고,상기 획득된 정보를 기초로 상기 제1 배터리와 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 단계는,상기 제2 배터리 중 적어도 하나에 이상이 발생한지 여부를 판단하는 단계; 및상기 제1 배터리와 이상이 발생한 제2 배터리를 제외한 나머지 제2 배터리의 동작에 기반하여 상기 모빌리티의 비상 운전 모드를 수행하도록 상기 제1 배터리 및 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 단계; 를 포함하는 것을 특징으로 하는 배터리 제어 장치의 동작 방법.
- 제 10 항에 있어서,상기 획득된 정보를 기초로 상기 제1 배터리와 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 단계는,상기 제2 배터리 중 이상이 발생한 제2 배터리의 개수가 기 설정값 이상인지 여부를 판단하는 단계; 및상기 제1 배터리의 동작에 기반하여 상기 모빌리티의 비상 운전 모드를 수행하도록 상기 제1 배터리 및 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 단계; 를 더 포함하는 것을 특징으로 하는 배터리 제어 장치의 동작 방법.
- 제 7 항에 있어서,상기 획득된 정보를 기초로 상기 제1 배터리와 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 단계는,상기 제1 배터리에 이상이 발생한지 여부를 판단하는 단계; 및상기 제2 배터리의 동작에 기반하여 상기 모빌리티의 비상 운전 모드를 수행하도록 상기 제1 배터리 및 상기 제2 배터리의 동작을 제어하는 제어신호를 생성하는 단계; 를 포함하는 것을 특징으로 하는 배터리 제어 장치의 동작 방법.
- 모빌리티에 구비된 모듈에 전원을 공급하는 제1 배터리;상기 모듈 각각에 마련되고, 상기 모빌리티의 동작에 기반하여 상기 제1 배터리에 대한 보조 전원으로서 상기 모듈에 전원을 공급하는 제2 배터리; 및상기 모빌리티, 상기 제1 배터리 및 상기 제2 배터리에 관한 정보를 획득하고, 상기 획득된 정보를 기초로 상기 제1 배터리와 상기 제2 배터리의 동작을 제어하는 제어 장치를 포함하는 배터리 제어 시스템.
- 제 13 항에 있어서,상기 제어 장치는,상기 모빌리티의 속도 또는 순간 속도에 기반하여 상기 제2 배터리를 충전 또는 방전하여 상기 제1 배터리의 전원 공급을 보조하도록 제어하는 것을 특징으로 하는 배터리 제어 시스템.
- 제 13 항에 있어서,상기 제2 배터리는 복수개이고,상기 제어 장치는,상기 제2 배터리 간의 SOC(state of charge) 또는 SOH(state of health) 편차가 기준치 이상인 경우, 상기 제2 배터리들 사이에 밸런싱을 수행하도록 제어하는 것을 특징으로 하는 배터리 제어 시스템.
- 제 13 항에 있어서,상기 제2 배터리는 복수개이고,상기 제어 장치는,상기 제2 배터리 중 적어도 하나에 이상이 발생한 경우, 상기 제1 배터리와 이상이 발생한 제2 배터리를 제외한 나머지 제2 배터리의 동작에 기반하여 상기 모빌리티의 비상 운전 모드를 수행하는 것을 특징으로 하는 배터리 제어 시스템.
- 제 16 항에 있어서,상기 제어 장치는,상기 제2 배터리 중 이상이 발생한 제2 배터리의 개수가 기 설정값 이상인 경우, 상기 제1 배터리의 동작에 기반하여 상기 모빌리티의 비상 운전 모드를 수행하는 것을 특징으로 하는 배터리 제어 시스템.
- 제 13 항에 있어서,상기 제2 배터리는 복수개이고,상기 제어 장치는,상기 제1 배터리에 이상이 발생한 경우, 상기 제2 배터리의 동작에 기반하여 상기 모빌리티의 비상 운전 모드를 수행하는 것을 특징으로 하는 배터리 제어 시스템.
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| EP22853286.7A EP4236022B1 (en) | 2021-08-02 | 2022-07-11 | Battery control apparatus, operation method thereof, and battery control system |
| ES22853286T ES3066375T3 (en) | 2021-08-02 | 2022-07-11 | Battery control device, operation method thereof, and battery control system |
| CN202280007859.8A CN116529980A (zh) | 2021-08-02 | 2022-07-11 | 电池控制装置、其操作方法以及电池控制系统 |
| US18/039,924 US20240039300A1 (en) | 2021-08-02 | 2022-07-11 | Battery control apparatus, operating method thereof, and battery control system |
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| KR1020210101623A KR20230019741A (ko) | 2021-08-02 | 2021-08-02 | 배터리 제어 장치, 그것의 동작 방법 및 배터리 제어 시스템 |
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| AU2024351198A1 (en) * | 2023-09-29 | 2026-04-09 | Parko Energeias Papanaklis M.I.K.E. | Modular removable battery system and method for powering an electric watercraft |
| KR20260053945A (ko) * | 2024-10-14 | 2026-04-21 | 삼성에스디아이 주식회사 | 배터리 셀 밸런싱 시스템 및 방법 |
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| EP4236022B1 (en) | 2026-03-04 |
| JP2023552739A (ja) | 2023-12-19 |
| EP4236022A1 (en) | 2023-08-30 |
| ES3066375T3 (en) | 2026-05-12 |
| JP7679944B2 (ja) | 2025-05-20 |
| KR20230019741A (ko) | 2023-02-09 |
| US20240039300A1 (en) | 2024-02-01 |
| CN116529980A (zh) | 2023-08-01 |
| EP4236022A4 (en) | 2024-10-02 |
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