WO2023068771A1 - 배터리의 충격 측정 방법 및 이를 적용한 배터리 시스템 - Google Patents
배터리의 충격 측정 방법 및 이를 적용한 배터리 시스템 Download PDFInfo
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- WO2023068771A1 WO2023068771A1 PCT/KR2022/015887 KR2022015887W WO2023068771A1 WO 2023068771 A1 WO2023068771 A1 WO 2023068771A1 KR 2022015887 W KR2022015887 W KR 2022015887W WO 2023068771 A1 WO2023068771 A1 WO 2023068771A1
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000000691 measurement method Methods 0.000 title abstract description 4
- 230000001133 acceleration Effects 0.000 claims abstract description 92
- 230000008859 change Effects 0.000 claims abstract description 39
- 230000035939 shock Effects 0.000 claims description 51
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 101150045592 RSC1 gene Proteins 0.000 description 1
- 101100094096 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RSC2 gene Proteins 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/0891—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values with indication of predetermined acceleration values
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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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- 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
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
Definitions
- the present invention relates to a method for measuring an impact of a battery and a battery system to which the same is applied.
- Battery performance may be degraded depending on external shocks.
- the battery system may include an acceleration sensor to measure an external shock to the battery.
- the battery system may use the signal received from the accelerometer to measure an external shock and use the signal received from the accelerometer to analyze the battery condition.
- an impact measurement method capable of reducing power consumption by counting an external impact applied to a battery according to an operation mode of the battery system is provided.
- a method for measuring an impact on a battery includes the steps of a main control unit (MCU) storing an operation mode of a previous battery system in a first area of a memory; Storing, by an MCU, an operation mode of the current battery system in a second area of the memory; determining, by the MCU, whether an operation mode stored in the first area and an operation mode stored in the second area are the same; storing, by the MCU, a change flag as a first value in the third area of the memory when the operation mode stored in the first area and the operation mode stored in the second area are different from each other based on the determination result; Receiving, by an MCU, an acceleration sensor signal from an acceleration sensor when the operation mode stored in the second area is a sleep mode and the change flag is the first value; and receiving the acceleration sensor signal from the acceleration sensor when the stored operation mode is not a sleep mode.
- MCU main control unit
- a step of adding 1 to the count may be further included.
- Determining, by the MCU, whether the shock count reaches a predetermined shock threshold, and performing, by the MCU, a protective operation against shock if the shock count reaches a predetermined shock threshold as a result of the determination can do.
- the method may further include storing the stored operation mode in the first area.
- a battery system is a battery system for measuring an impact on a battery, an acceleration sensor for measuring acceleration and generating an acceleration sensor signal, and an operation mode of a previous battery system previously stored in a first region.
- the current operation mode is stored in the second area, and as a result of comparing the operation mode stored in the first area with the operation mode stored in the second area, if they are different, the change flag is stored in the third area as the first value. and when the operation mode stored in the second area is a sleep mode and the change flag stored in the third area is the first value or when the operation mode stored in the second area is not a sleep mode, the acceleration and a main control unit (MCU) receiving the acceleration sensor signal from a sensor.
- MCU main control unit
- the MCU further includes a memory including the first area, the second area, the third area, and the fourth area, and the MCU determines that an acceleration value indicated by the acceleration sensor signal exceeds a reference value.
- An impact count indicating the number of times may be stored in the fourth area.
- the MCU adds 1 to the shock count when the acceleration value indicated by the received acceleration sensor signal exceeds the reference value, and if the acceleration value indicated by the received acceleration sensor signal is less than or equal to the reference value, the third area
- the stored change flag may be set to a second value and stored, and an operation mode stored in the second area may be stored in the first area.
- the MCU may determine whether the shock count reaches a predetermined shock threshold, and as a result of the determination, if the shock count reaches the predetermined shock threshold, a protective operation against shock may be performed.
- the MCU sets and stores the change flag stored in the third area as a second value, and sets the operation mode stored in the second area to the first 1 area can be stored.
- an external shock applied to a battery is counted according to an operating mode of the battery system, thereby enabling shock measurement capable of reducing power consumption.
- FIG. 1 is a diagram illustrating a battery system according to an exemplary embodiment.
- FIG. 2 is a flowchart illustrating a method for measuring an impact of a battery according to an exemplary embodiment.
- FIG. 3 is a diagram schematically illustrating a memory included in an MCU.
- FIG. 4 is a diagram schematically illustrating a process in which a value stored in a memory included in an MCU is changed according to time according to an embodiment.
- a program implemented as a set of commands embodying control algorithms necessary for controlling other components may be installed in a component that controls another component under a specific control condition among components according to an embodiment.
- the control component may generate output data by processing input data and stored data according to an installed program.
- the control component may include a non-volatile memory for storing programs and a memory for storing data.
- the method of measuring the impact applied to the battery system may be implemented as software installed in the battery management system or a program including a combination of software.
- the program may be stored in a storage medium of the battery management system.
- Storage media may be implemented as various types of memory, including non-volatile memory such as high-speed random access memory, flash memory devices, and other non-volatile solid-state memory devices.
- FIG. 1 is a diagram illustrating a battery system according to an exemplary embodiment.
- the battery system 1 includes a battery pack 10 , a battery management system 20 , an acceleration sensor 30 , and relays 40 and 41 .
- the battery management system 20 is hereinafter referred to as a battery management system (BMS).
- BMS battery management system
- the number of battery packs 10 is illustrated in FIG. 1 as one, the invention is not limited thereto, and the battery system 1 may include two or more battery packs.
- the external device 2 may include a load and charging device such as an inverter or converter.
- a load and charging device such as an inverter or converter.
- both ends of the battery system 1 may be connected to the charger and supplied with power from the charger to be charged.
- both ends of the battery system 1 are connected to the load so that power supplied by the battery pack 10 can be discharged through the load.
- a wire 400 is connected between the positive electrode of the battery pack 10 and one end (P+), and a wire 401 is connected between the negative electrode of the battery pack 10 and the other end (P ⁇ ).
- the relays 40 and 41 are positioned on the wirings 400 and 401 to electrically control current paths during charging and discharging of the battery pack 10 .
- the closing and opening of the relays 40 and 41 are controlled according to the relay control signals RSC1 and RSC2 supplied from the MCU 200 .
- the battery pack 10 includes a plurality of battery cells 11-15. 1 shows that the number of the plurality of battery cells 11-15 is five, but the invention is not limited thereto, and the battery pack 10 includes two or more battery cells connected in series and two or more battery cells connected in parallel. The plurality of battery cells connected in series or two or more battery cells connected in parallel may be implemented.
- the BMS 20 includes a battery monitoring integrated circuit 100 and a main controller 200 .
- the battery monitoring integrated circuit is hereinafter referred to as a battery monitoring integrated circuit (BMIC).
- the main control unit is hereinafter referred to as a Main Control Unit (MCU).
- the acceleration sensor 30 is provided in the battery system 1 .
- the acceleration sensor 30 measures and generates acceleration or deceleration, and transmits the generated acceleration sensor signal SS to the MCU 200 .
- the BMIC 100 is connected to each of the plurality of battery cells 11-15 and measures a plurality of voltages measured from both ends of the plurality of battery cells 11-15 through a plurality of input terminals P1-P6. Acquire signals VS1-VS6.
- the BMIC 100 may derive cell voltages of each of the plurality of battery cells 11 to 15 from the plurality of voltage measurement signals VS1 to VS6 .
- the BMIC 100 may transmit a signal indicating a plurality of cell voltages to the MCU 200.
- the request signal may include a request for cell voltages, cell temperatures, and the like of the plurality of battery cells 11 to 15 .
- the MCU 200 may control an operation of measuring an impact applied to the battery system 1 based on an operation mode of the battery system 1 and an acceleration sensor signal SS received from the acceleration sensor 30 .
- the MCU 200 may include a memory 2000 that stores a previous operating mode and a current operating mode of the battery system 1, a flag indicating whether the operating mode has changed, and an impact count.
- a flag indicating whether the operation mode has been changed is referred to as a change flag.
- the operation mode of the battery system 1 may be divided into at least one of a SLEEP mode and an ON mode.
- the relays 40 and 41 are open, the BMIC 100 is off, and the MCU 200 is off.
- the relays 40 and 41 are closed, the BMIC 100 is on, and the MCU 200 is on.
- FIG. 2 is a flowchart illustrating a method for measuring an impact of a battery according to an exemplary embodiment.
- the previous operation mode is an operation mode of the battery system 1 previously stored in the previous mode area 2001, and may be at least a sleep mode or an on mode.
- the previous operation mode may be an operation mode of the battery system 1 last stored in the current mode area 2002 before the time when step S1 is performed.
- FIG. 3 is a diagram schematically illustrating a memory included in an MCU.
- the memory 2000 may include a previous mode area 2001 , a current mode area 2002 , a flag area 2003 , and a shock count area 2004 .
- Operation modes of the battery system 1 are stored in the previous mode area 2001 and the current mode area 2002 .
- a change flag is stored in the flag area 2003, and the change flag may be a variable indicating whether the operation mode of the memory system 1 has changed.
- a shock count is stored in the shock count area 2004 , and the shock count may be a variable indicating the number of shocks that are greater than or equal to a predetermined reference value recognized as being applied to the battery system 1 .
- the MCU 200 may store the current operation mode of the battery system 1 in the current mode area 2002 (S1).
- the current operation mode is an operation mode of the battery system 1 at a specific point in time for the MCU 200 to store data in the current mode area 2002, and may be at least a sleep mode or an on mode.
- the MCU 200 compares the operation mode stored in the previous mode area 2001 with the operation mode stored in the current mode area 2002 (S2).
- the MCU 200 sets the change flag stored in the flag area 2003 to 0 (S3). For example, if the current operating mode is different from the previous operating mode, the change flag is 0, and if the current operating mode is the same as the previous operating mode, the change flag is 1.
- step S3 if the operation mode stored in the previous mode area 2001 and the operation mode stored in the current mode area 2002 are the same, the MCU 200 returns to the current mode area 2002. It is determined whether the stored operation mode is the sleep mode (S4).
- the MCU 200 determines whether the change flag stored in the flag area 2003 is 0 (S5).
- the MCU 200 determines the acceleration An acceleration sensor signal SS is received from the sensor 30 (S6).
- the acceleration sensor signal SS received by the MCU 200 may include a signal indicating an acceleration value measured by the acceleration sensor 30 .
- the MCU 200 receives the acceleration sensor signal SS only when the change flag indicates 0 to determine whether an impact is applied to the battery system 1. can
- the MCU 200 may determine whether or not to receive the acceleration sensor signal SS according to the operating mode of the battery system 1 .
- the MCU 200 determines whether the acceleration value indicated by the acceleration sensor signal SS exceeds a reference value (S7).
- the reference value may be preset in the MCU 200 as initial information. The MCU 200 may recognize that no shock is applied to the battery system 1 when the acceleration value is less than or equal to the reference value.
- the MCU 200 adds 1 to the shock count stored in the shock count area 2004 (S8).
- the MCU 200 may recognize that the acceleration value exceeds the reference value as an impact applied to the battery pack 10 .
- the MCU 200 determines whether the shock count reaches a predetermined shock threshold (S9).
- the impact threshold may be preset in the MCU 200 as initial information.
- step S9 if the shock count is equal to the shock threshold, the MCU 200 may perform a protective operation and external notification for the shock (S10).
- the MCU 200 displays a flag area
- the change flag stored in (2003) is set to 1 (S11).
- the MCU 200 may determine that the operation mode has changed, and thus may initialize the change flag to 1.
- the MCU 200 stores the operation mode stored in the current mode area 2002 in the previous mode area 2001 (S12).
- FIG. 4 is a diagram schematically illustrating a process in which a value stored in a memory included in an MCU is changed over time in one embodiment.
- the time sequence is shown in the column including time.
- Operation modes stored in the previous mode area 2001 are shown in the column including the previous mode area
- operation modes stored in the current mode area 2002 are shown in the column including the current mode area
- operation modes stored in the current mode area 2002 are shown in the column including the flag area.
- a change flag stored in the flag area 2003 is shown
- a shock count stored in the shock count area 2004 is shown in a column including the impact count area.
- an acceleration value indicated by an acceleration sensor signal SS received by the MCU 200 from the acceleration sensor 30 is shown in a column including the acceleration.
- a reference value to which acceleration values are compared is shown in the column including the reference value.
- An impact threshold to which the impact count value is compared is shown in the column including the impact threshold.
- Time T1 to time T5 sequentially represent specific time periods during which the impact measurement method according to an embodiment proceeds.
- each step of FIG. 2 can be described based on each time zone from time T2 after time T1.
- the current operation mode stored in the current mode area 2002 is a sleep mode (S1).
- the previous operation mode stored in the previous mode area 2001 at time T2 is an on mode identical to the operation mode stored in the current operation area 2002 at time T1. Since the on mode, which is the operation mode stored in the previous mode area 2001 at time T2, and the sleep mode, which is the operation mode stored in the current mode area 2002, are not the same (S2), the MCU 200 sets the change flag to 0. (S3). Also, since the operation mode stored in the current mode area 2002 is the sleep mode (S4) and the change flag stored in the flag area 2003 is 0 (S5), the acceleration sensor signal SS is received from the acceleration sensor 30. (S6).
- the MCU 200 Since 5 acceleration, which is the acceleration value indicated by the acceleration sensor signal SS, is less than or equal to 10 acceleration, which is the reference value, the MCU 200 does not increase the shock count stored in the shock count area 2004. Then, the change flag is set to 1 (S11). At this time, at time T3 after the change flag changes from 0 to 1, the MCU 200 stores the sleep mode, which is an operation mode stored in the current mode area 2002 at time T2, in the previous mode area 2001. Do (S12).
- the current operation mode stored in the current mode area 2002 is the sleep mode (S1).
- the sleep mode, which is the operation mode stored in the previous mode area 2001 at time T3, and the sleep mode, which is the operation mode stored in the current mode area 2002, are the same (S2), and the operation mode stored in the current mode area 2002 is the sleep mode. (S4), and since the change flag stored in the flag area 2003 is not 0 (S5), the MCU 200 converts the sleep mode, which is an operation mode stored in the current mode area 2002 at time T3, to a sleep mode at time T4. It is stored in the previous mode area (2001) (S12).
- the current operation mode stored in the current mode area 2002 is the sleep mode (S1).
- the sleep mode, which is the operation mode stored in the previous mode area 2001 at time T4, and the sleep mode, which is the operation mode stored in the current mode area 2002, are the same (S2), and the operation mode stored in the current mode area 2002 is the sleep mode. (S4), and since the change flag stored in the flag area 2003 is not 0 (S5), the MCU 200 converts the sleep mode, which is an operation mode stored in the current mode area 2002 at time T4, into a sleep mode at time T5. It is stored in the previous mode area (2001) (S12).
- the current operation mode stored in the current mode area 2002 is an on mode (S1). Since the sleep mode, which is the operation mode stored in the previous mode area 2001 at time T4, and the sleep mode, which is the operation mode stored in the current mode area 2002, are not the same (S2), the MCU 200 sets the change flag to 0. (S3). Also, since the operation mode stored in the current mode area 2002 is not the sleep mode (S4), the acceleration sensor signal SS is received from the acceleration sensor 30 (S6). Since the acceleration value of 13 acceleration indicated by the acceleration sensor signal SS exceeds the reference value of 10 acceleration, the MCU 200 increases the shock count stored in the shock count area 2004 from 5 to 6 (S8). . Since the increased shock count reaches the shock threshold of 6, the MCU 200 performs a protective operation and an external notification for the shock (S10).
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Abstract
Description
Claims (10)
- 배터리에 대한 충격을 측정하는 방법에 있어서,MCU(Main Control Unit)가 메모리의 제1 영역에 이전의 배터리 시스템의 동작 모드를 저장하는 단계;상기 MCU가, 현재 배터리 시스템의 동작 모드를 상기 메모리의 제2 영역에 저장하는 단계;상기 MCU가, 상기 제1 영역에 저장된 동작 모드와 상기 제2 영역에 저장된 동작 모드가 서로 동일한지를 판단하는 단계;상기 MCU가, 상기 판단한 결과에 기초하여 상기 제1 영역에 저장된 동작 모드와 상기 제2 영역에 저장된 동작 모드가 서로 다르면 상기 메모리의 상기 제3 영역에 변경 플래그를 제1 값으로 저장하는 단계;상기 MCU가, 상기 제2 영역에 저장된 동작 모드가 슬립(Sleep) 모드이고, 상기 변경 플래그가 상기 제1 값이면, 가속도 센서로부터 가속도 센서 신호를 수신하는 단계; 및상기 MCU가, 상기 제2 영역에 저장된 동작 모드가 슬립 모드가 아니면, 상기 가속도 센서로부터 상기 가속도 센서 신호를 수신하는 단계를 포함하는, 배터리의 충격 측정 방법.
- 제1항에 있어서,상기 MCU가, 상기 가속도 센서 신호가 가리키는 가속도 값이 기준 값을 초과하는지를 판단하는 단계; 및상기 MCU가, 상기 판단 결과 상기 가속도 값이 상기 기준 값을 초과하면, 상기 메모리의 제4 영역에 저장된 충격 카운트에 1을 더하는 단계를 더 포함하는, 배터리의 충격 측정 방법.
- 제1항에 있어서,상기 MCU가, 상기 가속도 센서 신호가 가리키는 가속도 값이 기준 값을 초과하는지를 판단하는 단계;상기 MCU가, 상기 판단 결과 상기 가속도 값이 상기 기준 값 이하이면, 상기 제3 영역에 저장된 변경 플래그를 제2 값으로 설정하여 저장하는 단계; 및상기 MCU가, 상기 제2 영역에 저장된 동작 모드를 상기 제1 영역에 저장하는 단계를 더 포함하는, 배터리의 충격 측정 방법.
- 제2항에 있어서,상기 MCU가, 상기 충격 카운트가 소정의 충격 임계치에 도달하였는지를 판단하는 단계; 및상기 MCU가, 상기 판단 결과 상기 충격 카운트가 소정의 충격 임계치에 도달하였으면 충격에 대한 보호 동작을 수행하는 단계를 더 포함하는, 배터리의 충격 측정 방법.
- 제4항에 있어서,상기 MCU가, 상기 판단 결과 상기 충격 카운트가 소정의 충격 임계치에 도달하지 않았으면, 상기 제3 영역에 저장된 변경 플래그를 제2 값으로 설정하여 저장하는 단계; 및상기 MCU가, 상기 제2 영역에 저장된 동작 모드를 상기 제1 영역에 저장하는 단계를 더 포함하는, 배터리의 충격 측정 방법.
- 배터리에 대한 충격을 측정하는 배터리 시스템에 있어서,가속도를 측정하여 가속도 센서 신호를 생성하는 가속도 센서; 및제1 영역에 이전의 배터리 시스템의 동작 모드가 기 저장되어 있고, 현재 동작 모드를 제2 영역에 저장하며, 상기 제1 영역에 저장된 동작 모드와 상기 제2 영역에 저장된 동작 모드를 비교한 결과, 서로 다르면 제3 영역에 변경 플래그를 제1 값으로 저장하고, 상기 제2 영역에 저장된 동작 모드가 슬립(Sleep) 모드이고 상기 제3 영역에 저장된 변경 플래그가 상기 제1 값인 경우 또는 상기 제2 영역에 저장된 동작 모드가 슬립 모드가 아닌 경우에, 상기 가속도 센서로부터 상기 가속도 센서 신호를 수신하는 MCU(Main Control Unit)를 포함하는, 배터리 시스템.
- 제6항에 있어서,상기 MCU는, 상기 제1 영역, 상기 제2 영역, 상기 제3 영역, 및 제4 영역을 포함하는 메모리를 더 포함하고,상기 MCU가, 상기 가속도 센서 신호가 가리키는 가속도 값이 기준 값을 초과하는 횟수를 나타내는 충격 카운트를 상기 제4 영역에 저장하는, 배터리 시스템.
- 제7항에 있어서,상기 MCU는,상기 수신한 가속도 센서 신호가 가리키는 가속도 값이 기준 값을 초과하면, 상기 충격 카운트에 1을 더하고, 상기 수신한 가속도 센서 신호가 가리키는 가속도 값이 기준 값 이하이면, 상기 제3 영역에 저장된 변경 플래그를 제2 값으로 설정하여 저장하며, 상기 제2 영역에 저장된 동작 모드를 상기 제1 영역에 저장하는, 배터리 시스템.
- 제7항에 있어서,상기 MCU는,상기 충격 카운트가 소정의 충격 임계치에 도달하였는지를 판단하고, 상기 판단 결과 상기 충격 카운트가 소정의 충격 임계치에 도달하였으면 충격에 대한 보호 동작을 수행하는, 배터리 시스템.
- 제7항에 있어서,상기 MCU는,상기 판단 결과 상기 충격 카운트가 소정의 충격 임계치에 도달하지 않았으면, 상기 제3 영역에 저장된 변경 플래그를 제2 값으로 설정하여 저장하고, 상기 제2 영역에 저장된 동작 모드를 상기 제1 영역에 저장하는 단계를 더 포함하는, 배터리 시스템.
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KR20130061964A (ko) * | 2011-12-02 | 2013-06-12 | 현대모비스 주식회사 | 차량용 배터리 관리시스템 및 관리방법 |
KR20180048098A (ko) * | 2016-11-02 | 2018-05-10 | 삼성전자주식회사 | 배터리의 정보를 제공하는 전자 장치와 이의 동작 방법 |
KR20180073764A (ko) * | 2016-12-22 | 2018-07-03 | 주식회사 엘지화학 | 배터리 팩 충격 보호방법 및 장치 |
KR20190108379A (ko) * | 2018-03-14 | 2019-09-24 | 주식회사 엘지화학 | 릴레이의 고장을 진단하기 위한 장치 및 방법 |
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KR20180073764A (ko) * | 2016-12-22 | 2018-07-03 | 주식회사 엘지화학 | 배터리 팩 충격 보호방법 및 장치 |
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