WO2022060044A1 - 전력 저장 장치 - Google Patents
전력 저장 장치 Download PDFInfo
- Publication number
- WO2022060044A1 WO2022060044A1 PCT/KR2021/012446 KR2021012446W WO2022060044A1 WO 2022060044 A1 WO2022060044 A1 WO 2022060044A1 KR 2021012446 W KR2021012446 W KR 2021012446W WO 2022060044 A1 WO2022060044 A1 WO 2022060044A1
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- WIPO (PCT)
- Prior art keywords
- cooling water
- coolant
- battery
- unit
- battery rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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
- H01M10/48—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
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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
- H01M2200/00—Safety devices for primary or secondary batteries
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
Definitions
- the present invention relates to a power storage device.
- Secondary batteries that are easy to apply according to product groups and have electrical characteristics such as high energy density are not only portable devices, but also electric vehicles (EVs) or hybrid vehicles (HEVs) driven by an electric drive source. It is universally applied. These secondary batteries are attracting attention as a new energy source for improving eco-friendliness and energy efficiency in that not only the primary advantage of being able to dramatically reduce the use of fossil fuels but also the fact that no by-products are generated from the use of energy.
- EVs electric vehicles
- HEVs hybrid vehicles
- the types of secondary batteries currently widely used include a lithium ion battery, a lithium polymer battery, a nickel cadmium battery, a nickel hydrogen battery, a nickel zinc battery, and the like.
- the unit secondary battery cell that is, the operating voltage of the unit battery cell is about 2.5V ⁇ 4.5V. Accordingly, when a higher output voltage is required, a plurality of battery cells are connected in series to form a battery pack. In addition, a plurality of battery cells may be connected in parallel to form a battery pack according to the charge/discharge capacity required for the battery pack. Accordingly, the number of battery cells included in the battery pack may be variously set according to a required output voltage or charge/discharge capacity.
- a battery module including at least one battery cell is first configured, and other components are added using the at least one battery module. It is common to configure battery packs or battery racks. In the case of a battery pack, it is generally provided as an energy source, such as an electric vehicle, and recently, as a home or industrial energy source, a power storage device including a plurality of battery racks is attracting attention.
- a temperature of the battery cell or the area around the battery cell is managed by using an air conditioner for heating and cooling, for example, an air conditioner.
- an object of the present invention is to provide a power storage device capable of more efficiently managing the temperature of a battery cell or a region surrounding the battery cell.
- Another object of the present invention is to provide a power storage device capable of maintaining an appropriate battery cell temperature according to a battery cell management temperature.
- the present invention as a power storage device, including at least one battery cell, the battery rack having a cooling passage for cooling the at least one battery cell; a cooling water tank spaced apart from the battery rack by a predetermined distance and having a predetermined cooling water; a piping unit connecting the cooling water tank and the battery rack and circulating the cooling water between the battery rack and the cooling water tank; and a pump unit connected to the piping unit, disposed between the coolant tank and the battery rack, and configured to control the supply of the coolant to the battery rack.
- the battery rack may include an inlet port through which the coolant is introduced and communicated with the cooling passage; and a discharge port disposed to be spaced apart from the inlet port by a predetermined distance and communicated with the cooling passage, wherein the cooling water tank includes: a cooling water discharge port for discharging the cooling water toward the battery rack; at least one cooling water inlet port spaced apart from the cooling water discharge port and into which the cooling water discharged from the battery rack is introduced, wherein the pump unit includes, the inlet port of the battery rack and the cooling water discharge of the cooling water tank It can be placed between ports.
- the power storage device may include an on/off valve connected to the piping unit and provided between the pump unit and the coolant discharge port of the coolant tank.
- the power storage device may include; at least one heat exchange unit disposed between the discharge port of the battery rack and the at least one coolant inlet port of the coolant tank.
- the power storage device may include a branch valve connected to the piping unit and provided between the at least one heat exchange unit and the coolant tank.
- the heat exchange unit is provided in plurality, and the plurality of heat exchange units may include: a first heat exchanger disposed between the battery rack and the branch valve; and a second heat exchanger spaced apart from the first heat exchanger by a predetermined distance and disposed between the branch valve and the coolant tank.
- the power storage device may include at least one fan unit for cooling the at least one heat exchange unit.
- the battery rack at least one rack temperature sensor for sensing the temperature of the at least one battery cell; may be provided.
- a fire detection sensor for detecting a fire in the at least one battery cell may be provided in the battery rack.
- the cooling water tank may include a heater unit capable of increasing the temperature of the cooling water.
- a power storage device capable of more efficiently managing a temperature of a battery cell or a region surrounding the battery cell.
- FIG. 1 is a view for explaining a power storage device according to an embodiment of the present invention.
- Figure 2 is a view for explaining a battery rack of the power storage device according to an embodiment of the present invention.
- 3 and 4 are diagrams for explaining a coolant tank according to various embodiments of the power storage device according to an embodiment of the present invention.
- FIG. 5 is a view for explaining a branch valve of a power storage device according to an embodiment of the present invention.
- 6 and 7 are diagrams for explaining a cooling mechanism of the power storage device according to an embodiment of the present invention.
- FIG. 8 is a flowchart illustrating a cooling mechanism of a power storage device according to an embodiment of the present invention.
- FIG. 9 is a view for explaining a cooling water tank heating mechanism of the power storage device according to an embodiment of the present invention.
- FIG. 1 is a view for explaining a power storage device according to an embodiment of the present invention.
- the power storage device 10 may include a battery rack 100 , a coolant tank 200 , a piping unit 300 , and a pump unit 400 .
- the battery rack 100 may include at least one battery cell 110 (refer to FIG. 2), and may include a cooling passage 130 for cooling the at least one battery cell 110 (refer to FIG. 2). there is.
- Figure 2 is a view for explaining a battery rack of the power storage device according to an embodiment of the present invention.
- the battery rack 100 includes a battery cell 110 , a rack case 120 , a cooling passage 130 , a rack temperature sensor 140 , a fire detection sensor 150 and a control unit 160 . ) may be included.
- the battery cell 110 as a secondary battery, may be provided as a pouch-type secondary battery, a prismatic secondary battery, or a cylindrical secondary battery.
- the battery cell 110 will be described by limiting it to a pouch-type secondary battery.
- At least one battery cell 110 may be provided in plurality.
- the battery cell 110 is limited to a plurality of the description will be provided.
- the plurality of battery cells 110 may be provided as high-temperature battery cells.
- the management temperature is 45 degrees to 55 degrees, which may mean battery cells that are optimal in terms of battery performance and lifespan in a high-temperature region where the management temperature is.
- the battery rack 10 including the plurality of battery cells 110 for example, it may be used in a tropical climate region.
- the rack case 120 includes the plurality of battery cells 110 , the cooling passage 130 , the rack temperature sensor 140 , the fire detection sensor 150 , the control unit and the battery rack 100 ). It can accommodate various electronic components constituting the .
- the rack case 120 includes the plurality of battery cells 110 , the cooling passage 130 , the rack temperature sensor 140 , the fire detection sensor 150 , the control unit and the battery rack ( 100) may be provided with an accommodating space capable of accommodating various electronic components constituting the same.
- the rack case 120 may include a case body 122 , an inlet port 124 and an outlet port 126 .
- the case body 122 may have an internal space of a predetermined size so that the accommodating space may be provided.
- the case body 120 includes the plurality of battery cells 110 , the cooling passage 130 , the rack temperature sensor 140 , the fire detection sensor 150 , the control unit and the battery rack 100 . ), various electronic components constituting it can be accommodated.
- the inlet port 124, the coolant 220 of the coolant tank 200 to be described later flows in, and may be formed on one side of the case body 122 .
- the inlet port 124 may communicate with a cooling passage 130 to be described later.
- the discharge port 126 may be formed on the other side of the case body 122 and may be disposed to be spaced apart from the inlet port 124 by a predetermined distance.
- the discharge port 126 communicates with a cooling flow path 130 to be described later, and may discharge the cooling water 220 that has passed through the cooling flow path 130 to be described later to the outside of the case body 122 .
- the cooling passage 130 may be provided in the case body 122 and may communicate with the inlet port 124 and the discharge port 126 .
- the cooling passage 130 may cool the plurality of battery cells 110 .
- the cooling water 220 to be described later may pass through the cooling passage 130 .
- the rack temperature sensor 140 is provided inside the case body 122 and can detect or measure the temperature of the at least one or more of the plurality of battery cells 110 in the case body 122 . there is.
- the fire detection sensor 150 is provided inside the case body 122 , and may detect abnormal conditions of the plurality of battery cells 110 in the case body 122 . For example, when a fire situation of the plurality of battery cells 110 occurs, the fire detection sensor 150 may detect a fire in the at least one or more of the plurality of battery cells 110 . Specifically, the fire detection sensor 150 may detect a flame or smoke generated in the battery cells 110 .
- the control unit 160 is for managing and controlling the battery rack 100 , and is electrically connected to the plurality of battery cells 110 , the rack temperature sensor 140 and the fire detection sensor 150 . can
- the control unit 160 includes a coolant tank 200 , a pump unit 400 , a heat exchange unit 600 , a branch valve 700 , and a fan unit 800 to be described later provided outside the battery rack 100 . And it may be provided to be electrically connected to the temperature sensor (900).
- control unit 160 The detailed operation of the control unit 160 will be described in more detail in the following related description.
- the cooling water tank 200 is spaced apart from the battery rack 100 by a predetermined distance, and may include a predetermined cooling water 220 .
- cooling water tank 200 will be described in more detail with reference to FIGS. 3 and 4 below.
- 3 and 4 are diagrams for explaining a coolant tank according to various embodiments of the power storage device according to an embodiment of the present invention.
- the coolant tank 200 may include a tank body 210 , a coolant 220 , a coolant discharge port 230 , and a coolant inlet port 240 .
- the tank body 210 may accommodate the coolant 220 .
- an accommodating space for accommodating the coolant 220 may be provided in the tank body 210 .
- the coolant 220 may be provided as a cooling fluid capable of cooling the plurality of battery cells 110 of the battery rack 100 .
- the cooling water 220 will be described as limited to provided with water.
- the cooling water discharge port 230 is for discharging the cooling water 220 toward the battery rack 100 , and may be provided in the tank body 210 to communicate with the internal space of the tank body 210 .
- the cooling water discharge port 230 communicates with a first pipe 330 of a piping unit 300 to be described later, and the cooling water 220 inside the tank body 210 is described later in a piping unit 300 . of the first pipe 330 side.
- the coolant inlet port 240 is spaced apart from the coolant outlet port 230 , and the coolant 220 discharged from the battery rack 100 side may be introduced therein.
- the coolant inlet port 240 may be provided in the tank body 210 to communicate with the internal space of the tank body 210 .
- the coolant inlet port 240 may include a first inlet port 243 and a second inlet port 245 .
- the first inlet port 243 communicates with a third pipe 370 of a piping unit 300 to be described later, and is to be provided in the tank body 210 to communicate with the internal space of the tank body 210 .
- the first inlet port 243 may guide the coolant 220 coming from the third pipe 370 side of the piping unit 300 to be described later to the inside of the tank body 210 .
- the second inlet port 245 communicates with a fourth pipe 390 of a piping unit 300 to be described later and communicates with the internal space of the tank body 210 to be provided in the tank body 210 .
- the second inlet port 245 may guide the coolant 220 coming from the fourth pipe 390 side of the piping unit 300 to be described later to the inside of the tank body 210 .
- the coolant tank 200 may further include a heater unit 250 .
- the heater unit 250 is mounted on the tank body 210 of the coolant tank 200 , and heats the coolant 220 inside the tank body 210 to increase the temperature of the coolant 220 .
- the third temperature sensor unit 900 to be described later for sensing or measuring the temperature of the coolant 200 inside the tank body 210 .
- a temperature sensor 970 may be provided.
- the piping unit 300 is for circulating the coolant 220 between the battery rack 100 and the coolant tank 200 , and the coolant tank 200 and the battery The rack 100 can be connected.
- the pipe unit 300 may include a first pipe 330 , a second pipe 350 , a third pipe 370 , and a fourth pipe 390 .
- the first pipe 330 may connect the battery rack 100 and the coolant tank 200 .
- a pump unit 400 and an on/off valve 500 to be described later may be connected to the first pipe 330 .
- the second pipe 350 may connect the battery rack 100 and a first heat exchanger 630 of a heat exchange unit 600 to be described later.
- the third pipe 370 may connect a first heat exchanger 630 of a heat exchange unit 600 to be described later and the coolant tank 200 . Specifically, the third pipe 370 may be connected to the first inlet port 243 of the coolant inlet port 240 of the coolant tank 200 . A branch valve 700 to be described later and a first temperature sensor 930 of a temperature sensor unit 900 to be described later may be connected to the third pipe 370 .
- the fourth pipe 390 may connect a branch valve 700 to be described later and the coolant tank 200 . Specifically, the fourth pipe 390 may be connected to the second inlet port 245 of the coolant inlet port 240 of the coolant tank 200 . A second heat exchanger 650 of a heat exchange unit 600 to be described later and a second temperature sensor 950 of a temperature sensor unit 900 to be described later may be connected to the fourth pipe 390 .
- the pump unit 400 is for regulating the supply of the coolant 220 to the battery rack 100 , and is connected to the piping unit 300 , and the coolant tank 200 and the battery rack 100 . ) can be placed between
- the pump unit 400 may be disposed between the inlet port 124 of the battery rack 100 and the coolant outlet port 230 of the coolant tank 200 .
- the pump unit 400 is connected to the first pipe 330 of the pipe unit 300 , and may be disposed between the on-off valve 500 and the battery rack 100 .
- the power storage device 10 may further include an on/off valve 500 , a heat exchange unit 600 , and a branch valve 700 .
- the opening/closing valve 500 supplies or stops the supply of the coolant 220 of the coolant tank 200 to the battery rack 100 side through an on-off operation according to a manual or automatic method through a user operation, etc. It is possible to determine whether to supply the cooling water 200 to the battery rack 100 side, such as.
- the on-off valve 500 is connected to the piping unit 300 and may be provided between the pump unit 400 and the coolant discharge port 230 of the coolant tank 200 .
- the heat exchange unit 600 is for managing the temperature of the coolant 220 that has passed through the battery rack 100 , and the discharge port 126 of the battery rack 100 and the coolant tank 200 . It may be disposed between the at least one coolant inlet port 240 of At least one or more of the heat exchange units 600 may be provided. Hereinafter, in the present embodiment, the heat exchange unit 600 will be described as being provided in plurality.
- the plurality of heat exchange units 600 may include a first heat exchanger 630 and a second heat exchanger 650 .
- the first heat exchanger 630 may be disposed between the battery rack 100 and the branch valve 700 . Specifically, the first heat exchanger 630 may guide cooling of the coolant 220 delivered through the second pipe 350 of the pipe unit 300 .
- the first heat exchanger 630 may be provided as a radiator.
- the second heat exchanger 650 may be disposed to be spaced apart from the first heat exchanger 630 by a predetermined distance, and may be disposed between the branch valve 700 and the coolant tank 200 . Specifically, the second heat exchanger 650 may guide cooling of the coolant 220 delivered through the fourth pipe 390 of the pipe unit 300 .
- the second heat exchanger 650 may be provided as a radiator.
- the branch valve 700 is connected to the piping unit 300 and may be provided between the at least one heat exchange unit 600 and the coolant tank 200 .
- the branch valve 700 will be described in more detail with reference to FIG. 5 below.
- FIG. 5 is a view for explaining a branch valve of a power storage device according to an embodiment of the present invention.
- the branch valve 700 may include an inlet 710 , an outlet 730 , and a second branch 750 .
- the inlet 710 may be provided at one side of the branch valve 700 .
- the cooling water 220 (refer to FIG. 1 ) that has passed through the first heat exchanger 630 (refer to FIG. 1 ) of the heat exchange unit 600 (refer to FIG. 1 ) may be introduced into the inlet 710 .
- the discharge unit 730 operates to be opened and closed, and the cooling water 220 (refer to FIG. 1 ) introduced from the inflow unit 710 is supplied to the third pipe 370 of the piping unit 300 (refer to FIG. 1 ). side can be exported.
- the cooling water 220 (refer to FIG. 1 ) discharged through the discharge unit 730 may be reintroduced into the cooling water tank 200 through the third pipe 370 .
- the branch 750 may be opened and closed, and may be provided between the inlet 710 and the outlet 730 .
- the branch 750 may discharge the coolant 220 (refer to FIG. 1 ) flowing in from the inlet 710 toward the fourth pipe 390 of the piping unit 300 (refer to FIG. 1 ).
- the coolant 220 (refer to FIG. 1 ) discharged through the branch part 750 may be reintroduced into the coolant tank 200 through the fourth pipe 390 .
- the power storage device 10 may further include a fan unit 800 and a temperature sensor 900 .
- the fan unit 800 is for cooling the at least one heat exchange unit 600 , and may be provided in a number corresponding to the number of the at least one heat exchange unit 600 .
- the fan unit 800 may include a first blowing fan 830 and a second blowing fan 850 .
- the first blowing fan 830 may be disposed near the first heat exchanger 630 of the heat exchange unit 600 .
- a cooling fan of the first blowing fan 830 may be provided.
- the first blower fan 830 may send cooling wind toward the first heat exchanger 630 , and the cooling capacity may be appropriately changed as needed by adjusting the rotational speed (RPM) of the cooling fan.
- RPM rotational speed
- the second blowing fan 850 may be disposed near the second heat exchanger 650 of the heat exchange unit 600 .
- a cooling fan of the second blowing fan 850 may be provided.
- the first blower fan 850 may send out cooling wind toward the second heat exchanger 650 , and the cooling capacity may be appropriately changed as needed by adjusting the rotational speed (RPM) of the cooling fan.
- RPM rotational speed
- the temperature sensor unit 900 is for measuring or sensing temperature, and may be provided at a specific point or specific component of the power storage device 10 .
- At least one or more of the temperature sensor units 900 may be provided.
- the temperature sensor 900 will be described by limiting it to being provided in plurality.
- the plurality of temperature sensor units 900 may include a first temperature sensor 930 , a second temperature sensor 950 , and a third temperature sensor 970 .
- the first temperature sensor 930 is provided in the third pipe 370 of the pipe unit 370 , and the first heat exchanger 630 and the branch valve 700 of the heat exchange unit 600 . can be placed between them.
- the first temperature sensor 930 may sense or measure the temperature of the coolant 200 that has passed through the first heat exchanger 630 of the heat exchange unit 600 .
- the second temperature sensor 950 is provided in the fourth pipe 390 of the pipe unit 370 , and the second heat exchanger 650 and the coolant tank 200 of the heat exchange unit 600 . can be placed between them.
- the second temperature sensor 950 may sense or measure the temperature of the coolant 200 that has passed through the second heat exchanger 650 of the heat exchange unit 600 .
- the third temperature sensor 970 may be provided inside the tank body 210 of the coolant tank 200 .
- the third temperature sensor 970 may sense or measure the temperature of the coolant 220 in the tank body 210 .
- 6 and 7 are diagrams for explaining a cooling mechanism of the power storage device according to an embodiment of the present invention.
- the control unit 160 of the battery rack 100 of the power storage device 10 sets the temperature of the plurality of battery cells 110 of the battery rack 100 to a preset temperature. You can control it to stay in range.
- the control unit 160 may control the on/off valve 500 to move the coolant 220 of the coolant tank 200 toward the battery rack 110 .
- the control unit 160 may control the pump unit 400 to control a supply amount or a supply rate of the cooling water 220 and C1 .
- the cooling water 220 and C1 exits the cooling water tank 200 and passes through the cooling passage 130 of the battery rack 100 through the first pipe 330 of the piping unit 300 while passing through the battery. Cooling the plurality of battery cells 110 of the rack 100 or guide the temperature of the plurality of battery cells 110 to be maintained at a preset temperature.
- the control unit 160 through the temperature information obtained through the rack temperature sensor 140, so that the battery cells 110 to be maintained in a preset temperature range, the cooling passage 130, the It is possible to adjust the supply amount or supply speed of the cooling water 220 .
- control unit 160 may increase the supply amount or supply speed of the coolant 220 passing through the cooling passage 130 .
- control unit 160 detects a flame or smoke from the fire detection sensor 150, the cooling passage 130 ), the supply amount or supply rate of the cooling water 220 passing through it can be increased.
- the cooling water 220 , C2 that has passed through the cooling passage 130 of the battery rack 100 is the first of the heat exchange unit 600 through the second pipe 350 of the piping unit 300 . It may move toward the heat exchanger 630 .
- the cooling water 220 and C2 passing through the cooling passage 130 of the battery rack 100 may have a higher temperature than the cooling water 220 and C1 before passing through the cooling passage 130 .
- the control unit 160 may lower the temperature of the cooling water 220 and C2 that has passed through the cooling passage 130 of the battery rack 100 so that the cooling water 220 and C2 is the heat exchange unit 600 . ), when passing through the first heat exchanger 630 , the first blowing fan 830 of the fan unit 800 may be driven.
- the first blowing fan 830 of the fan unit 800 may be electrically connected to the control unit 160 , the rack temperature sensor 140 , and the temperature sensor unit 900 .
- the control unit 160 varies the fan rotation amount of the first blowing fan 830 according to the temperature information of the rack temperature sensor 140 and the temperature sensor unit 900, so that the cooling water 220, C2) cooling amount can be adjusted.
- the control unit 160 controls the inlet 710 and the outlet of the branch valve 700 when the coolant 220 and C3 that has passed through the first heat exchanger 630 is lower than a preset temperature.
- the part 730 may be opened and the branch part 750 of the branch valve 700 may be closed.
- the coolant 220 and C3 that has passed through the first heat exchanger 630 passes through the inlet 710 and the outlet 730 of the branch valve 700 to the coolant tank 200 .
- the coolant 220 and C3 that has passed through the first heat exchanger 630 may have a lower temperature than the coolant 220 and C2 that has passed through the first heat exchanger 630 .
- the cooling water 220 , C3 that has passed through the first heat exchanger 630 may be higher than a preset temperature.
- the control unit 160 , the inlet 710 and the branch 750 of the branch valve 700 may be opened, and the outlet 730 of the branch valve 700 may be closed.
- the coolant 220 and C3 that has passed through the first heat exchanger 630 passes through the inlet 710 and the branch 750 of the branch valve 700 to the heat exchange unit 600 .
- the control unit 160 is configured to lower the temperature of the coolant 220 and C4 from the branch 750 of the branch valve 700 so that the coolant 220 and C4 is transferred to the heat exchange unit 600 . of the second heat exchanger 650 , the second blowing fan 850 of the fan unit 800 may be driven.
- the second blowing fan 850 of the fan unit 800 may be electrically connected to the control unit 160 , the rack temperature sensor 140 , and the temperature sensor unit 900 .
- the control unit 160 according to the temperature information of the rack temperature sensor 140 and the temperature sensor unit 900, like the first blowing fan 830, the fan of the second blowing fan 850 By varying the amount of rotation, the amount of cooling of the cooling water 220 and C4 can be adjusted.
- the cooling water 220 and C3 that has passed through the first heat exchanger 630 in the power storage device 10 is higher than a preset temperature
- the cooling water 220 and C3 is Branches toward the second heat exchanger 650 through the branch 750 of the branch valve 700 , and the coolant 220 through the second heat exchanger 650 and the second blowing fan 850 , C4) can be additionally cooled, or additional temperature control can be guided.
- the cooling water 220 and C4 that has passed through the second heat exchanger 650 may be reintroduced into the cooling water tank 200 through the fourth pipe 390 of the pipe unit 300 .
- the cooling water 220 and C4 passing through the second heat exchanger 650 may have a lower temperature than the cooling water 220 and C3 passing through the first heat exchanger 630 .
- the branch valve 700 may be controlled to appropriately perform additional cooling through the second heat exchanger 650 .
- the cooling water 220 is directly moved to the cooling water tank 200 without passing through the second heat exchanger 650, and the cooling water ( Only when the temperature of 220 ) is higher than the preset temperature range, additional cooling may be performed through the second heat exchanger 650 .
- the efficiency of the entire cooling system can be significantly improved.
- FIG. 8 is a flowchart illustrating a cooling mechanism of a power storage device according to an embodiment of the present invention.
- cooling water may be cooled through the first heat exchanger ( S10 ). Thereafter, the control unit may compare the temperature of the cooling water measured through the first temperature sensor with a preset cooling water temperature ( S20 ). If the temperature of the coolant measured through the first temperature sensor is lower than the preset coolant temperature, the control unit may open the outlet of the branch valve ( S21 ).
- the cooling water may flow into the third pipe of the pipe unit (S23) and flow into the coolant tank (S30).
- control unit may open the branch portion of the branch valve ( S25 ).
- the cooling water may flow to the fourth pipe of the pipe unit (S27), be further cooled through the second heat exchanger (S29), and then be introduced into the cooling water tank (S30).
- the branch valve 700 and the second heat exchanger 650 As such, in the power storage device 10 according to the present embodiment, through the branch valve 700 and the second heat exchanger 650 , according to the temperature of the coolant 220 , Since optional additional cooling can be performed, the overall cooling efficiency or temperature management efficiency can be maximized.
- FIG. 9 is a view for explaining a cooling water tank heating mechanism of the power storage device according to an embodiment of the present invention.
- the coolant 220 inside the coolant tank 200 when the outside temperature is low, such as in winter, the coolant 220 inside the tank body 210 of the coolant tank 200 . may be subcooled or frozen.
- the control unit 160 determines that the temperature of the coolant 220 inside the tank body 210 of the coolant tank 200 measured by the third temperature sensor 970 is higher than the preset temperature.
- the heater unit 250 may be operated. The heater unit 250 may heat the coolant 220 in the tank body 210 of the coolant tank 200 until it reaches the preset temperature.
- control unit 160 (unit of FIG. 2) operates the on-off valve 300 and the pump unit 400, etc. when the outside temperature is low, such as in winter, and is heated to the predetermined temperature. Coolant can be circulated. According to the circulation of the cooling water heated to the predetermined temperature, freezing of the piping unit 300 may be prevented.
- the power storage device 10 capable of more efficiently managing the battery cell 110 or the temperature of the area around the battery cell 110 .
- the power storage device 10 capable of maintaining an appropriate temperature of the battery cell 110 according to the management temperature of the battery cell 110 .
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Abstract
Description
Claims (10)
- 전력 저장 장치에 있어서,적어도 하나의 배터리 셀을 포함하며, 상기 적어도 하나의 배터리 셀의 냉각을 위한 냉각 유로를 구비하는 배터리 랙;상기 배터리 랙과 소정 거리 이격 배치되며, 소정의 냉각수를 구비하는 냉각수 탱크;상기 냉각수 탱크와 상기 배터리 랙을 연결하며, 상기 배터리 랙과 상기 냉각수 탱크 사이에서 상기 냉각수를 순환시키기 위한 배관 유닛; 및상기 배관 유닛과 연결되고, 상기 냉각수 탱크와 상기 배터리 랙 사이에 배치되며, 상기 배터리 랙 측으로 상기 냉각수의 공급을 조절하기 위한 펌프 유닛;을 포함하는 것을 특징으로 하는 전력 저장 장치.
- 제1항에 있어서,상기 배터리 랙은,상기 냉각수가 유입되며, 상기 냉각 유로로 연통되는 유입 포트; 및상기 유입 포트와 소정 거리 이격 배치되며, 상기 냉각 유로와 연통되는 배출 포트;를 포함하며,상기 냉각수 탱크는,상기 배터리 랙 측으로 상기 냉각수를 내보내기 위한 냉각수 배출 포트;상기 냉각수 배출 포트와 이격되며, 상기 배터리 랙 측에서 배출된 냉각수가 유입되는 적어도 하나의 냉각수 유입 포트;를 포함하며,상기 펌프 유닛은,상기 배터리 랙의 상기 유입 포트와 상기 냉각수 탱크의 상기 냉각수 배출 포트 사이에 배치되는 것을 특징으로 하는 전력 저장 장치.
- 제2항에 있어서,상기 배관 유닛과 연결되며, 상기 펌프 유닛과 상기 냉각수 탱크의 상기 냉각수 배출 포트 사이에 구비되는 개폐 밸브;를 포함하는 것을 특징으로 하는 전력 저장 장치.
- 제2항에 있어서,상기 배터리 랙의 상기 배출 포트와 상기 냉각수 탱크의 상기 적어도 하나의 냉각수 유입 포트 사이에 배치되는 적어도 하나의 열교환 유닛;를 포함하는 것을 특징으로 하는 전력 저장 장치.
- 제4항에 있어서,상기 배관 유닛과 연결되며, 상기 적어도 하나의 열교환 유닛와 상기 냉각수 탱크 사이에 구비되는 분기 밸브;를 포함하는 것을 특징으로 하는 전력 저장 장치.
- 제5항에 있어서,상기 열교환 유닛은,복수 개로 구비되며,상기 복수 개의 열교환 유닛은,상기 배터리 랙과 상기 분기 밸브 사이에 배치되는 제1 열교환기; 및상기 제1 열교환기와 소정 거리 이격 배치되며, 상기 분기 밸브와 상기 냉각수 탱크 사이에 배치되는 제2 열교환기;를 포함하는 것을 특징으로 하는 전력 저장 장치.
- 제4항에 있어서,상기 적어도 하나의 열교환 유닛을 냉각하기 위한 적어도 하나의 팬 유닛;을 포함하는 것을 특징으로 하는 전력 저장 장치.
- 제1항에 있어서,상기 배터리 랙에는,상기 적어도 하나의 배터리 셀의 온도를 감지하는 적어도 하나의 랙 온도 센서;가 구비되는 것을 특징으로 하는 전력 저장 장치.
- 제1항에 있어서,상기 배터리 랙에는,상기 적어도 하나의 배터리 셀의 화재를 감지하는 화재 감지 센서;가 구비되는 것을 특징으로 하는 전력 저장 장치.
- 제1항에 있어서,상기 냉각수 탱크에는,상기 냉각수의 온도를 높일 수 있는 히터 유닛;이 구비되는 것을 특징으로 하는 전력 저장 장치.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21869666.4A EP4175023B1 (en) | 2020-09-21 | 2021-09-13 | Power storage apparatus |
| PL21869666.4T PL4175023T3 (pl) | 2020-09-21 | 2021-09-13 | Urządzenie do magazynowania energii |
| JP2022567403A JP7551776B2 (ja) | 2020-09-21 | 2021-09-13 | 電力貯蔵装置 |
| AU2021344154A AU2021344154A1 (en) | 2020-09-21 | 2021-09-13 | Power storage apparatus |
| US17/924,195 US12506194B2 (en) | 2020-09-21 | 2021-09-13 | Power storage apparatus |
| ES21869666T ES3038291T3 (en) | 2020-09-21 | 2021-09-13 | Power storage apparatus |
| CN202180046329.XA CN115735295A (zh) | 2020-09-21 | 2021-09-13 | 电力存储设备 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2020-0121707 | 2020-09-21 | ||
| KR1020200121707A KR102932324B1 (ko) | 2020-09-21 | 2020-09-21 | 전력 저장 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022060044A1 true WO2022060044A1 (ko) | 2022-03-24 |
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ID=80777142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2021/012446 Ceased WO2022060044A1 (ko) | 2020-09-21 | 2021-09-13 | 전력 저장 장치 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US12506194B2 (ko) |
| EP (1) | EP4175023B1 (ko) |
| JP (1) | JP7551776B2 (ko) |
| KR (1) | KR102932324B1 (ko) |
| CN (1) | CN115735295A (ko) |
| AU (1) | AU2021344154A1 (ko) |
| ES (1) | ES3038291T3 (ko) |
| HU (1) | HUE072403T2 (ko) |
| PL (1) | PL4175023T3 (ko) |
| WO (1) | WO2022060044A1 (ko) |
Cited By (1)
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|---|---|---|---|---|
| CN121035498A (zh) * | 2025-09-22 | 2025-11-28 | 深圳市天盛泰科技有限公司 | 一种具有加强结构的储能电池塑胶壳体 |
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| WO2022245336A1 (en) * | 2021-05-18 | 2022-11-24 | Wärtsilä North America, Inc. | Apparatus, device and computer implemented method for controlling cooling of energy storage module |
| KR102916713B1 (ko) * | 2023-10-18 | 2026-01-23 | 주식회사 새한산업 | 배터리 온도조절장치 |
| CN118983552A (zh) * | 2024-07-05 | 2024-11-19 | 华为数字能源技术有限公司 | 储能柜及其消防方法 |
| CN119092893B (zh) * | 2024-09-13 | 2025-03-04 | 中国标准化研究院 | 一种用于新能源汽车电池管理的散热机构 |
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Also Published As
| Publication number | Publication date |
|---|---|
| HUE072403T2 (hu) | 2025-11-28 |
| EP4175023B1 (en) | 2025-07-23 |
| ES3038291T3 (en) | 2025-10-10 |
| CN115735295A (zh) | 2023-03-03 |
| JP2023525011A (ja) | 2023-06-14 |
| AU2021344154A1 (en) | 2023-02-23 |
| US12506194B2 (en) | 2025-12-23 |
| US20230178822A1 (en) | 2023-06-08 |
| JP7551776B2 (ja) | 2024-09-17 |
| EP4175023A1 (en) | 2023-05-03 |
| KR102932324B1 (ko) | 2026-02-27 |
| EP4175023A4 (en) | 2023-12-20 |
| KR20220039909A (ko) | 2022-03-30 |
| PL4175023T3 (pl) | 2025-09-29 |
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