WO2012015001A1 - Support de système de stockage de batteries secondaires - Google Patents

Support de système de stockage de batteries secondaires Download PDF

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Publication number
WO2012015001A1
WO2012015001A1 PCT/JP2011/067348 JP2011067348W WO2012015001A1 WO 2012015001 A1 WO2012015001 A1 WO 2012015001A1 JP 2011067348 W JP2011067348 W JP 2011067348W WO 2012015001 A1 WO2012015001 A1 WO 2012015001A1
Authority
WO
WIPO (PCT)
Prior art keywords
secondary battery
storage system
system rack
block
battery storage
Prior art date
Application number
PCT/JP2011/067348
Other languages
English (en)
Japanese (ja)
Inventor
健二 内橋
浩人 永野
良行 石塚
Original Assignee
三洋電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三洋電機株式会社 filed Critical 三洋電機株式会社
Publication of WO2012015001A1 publication Critical patent/WO2012015001A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • 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
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • H01M10/465—Accumulators structurally combined with charging apparatus with solar battery as charging system
    • 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
    • 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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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 secondary battery storage system rack, and more particularly, to a secondary battery storage system rack that stores therein a circuit device and a secondary battery block including a plurality of secondary batteries.
  • Energy is effectively used by using power storage devices such as secondary batteries.
  • power storage devices such as secondary batteries.
  • photovoltaic power generation systems have been actively developed as environmentally friendly clean energy, but photoelectric conversion modules that convert sunlight into electric power do not have a storage function, so they can be combined with secondary batteries. May be used.
  • energy is effectively used by charge / discharge control in which electric power generated by a photoelectric conversion module is once charged in a secondary battery and discharged from the secondary battery in response to a request from an external load or the like.
  • the secondary battery for example, a lithium ion secondary battery can be used. Since secondary batteries are used for a long period of time under various environments, it is desirable that various safety measures be taken. Therefore, for example, various safety measures have been taken for a lithium ion secondary battery alone, but it is preferable to further improve safety when the secondary battery is housed in a rack or the like.
  • Patent Document 1 discloses a power supply device that houses a plurality of batteries including a safety valve in a case as a power supply device, the battery chamber having a partition wall and a plurality of batteries, and the battery.
  • a configuration is disclosed in which an exhaust chamber for exhausting gas discharged from a safety valve of a battery housed in the chamber is partitioned.
  • a fire extinguisher that injects a fire extinguisher or an inert fluid into the exhaust chamber and a pressure sensor that detects the internal pressure of the exhaust chamber are provided.
  • the fire extinguisher is controlled by the pressure sensor so that the internal pressure of the exhaust chamber is greater than the set pressure.
  • a configuration is disclosed in which the fire extinguisher injects a fire extinguisher or an inert fluid into the exhaust chamber.
  • the solar power generation system described above includes a secondary battery block in addition to a secondary battery block including a secondary battery.
  • a charge / discharge control circuit that performs charge / discharge control on the battery
  • a DC / AC conversion circuit that performs power conversion to convert the DC power generated by the photoelectric conversion module into AC power and supply it to system power such as an electric power company
  • a circuit block including various devices such as a shut-off circuit for shutting off charging / discharging of the secondary battery block is provided. And it is convenient to store the circuit block and the secondary battery block together in the secondary battery storage system rack, but heat may be generated when each element of the circuit block is operated.
  • An object of the present invention is to provide a secondary battery storage system rack that makes it possible to keep an abnormality in a secondary battery even when an abnormality occurs in one of a plurality of secondary batteries. Another object is to provide a secondary battery storage system rack that can supply a fire extinguishing agent to the secondary battery block more suitably.
  • a secondary battery storage system rack includes a circuit block connected to a power line for exchanging power with the outside, and a secondary battery in which a plurality of secondary batteries connected to the circuit block are arranged.
  • a block, and a storage main body for storing the circuit block and the secondary battery block therein, and the secondary battery block includes a plate material disposed between the adjacent secondary batteries, Each of the secondary batteries is spaced apart from the plate material and is disposed through a gap.
  • the secondary battery storage system rack includes a circuit block connected to a power line for exchanging power with the outside, and is disposed below the circuit block along the direction of gravity, the circuit block A secondary battery block in which a plurality of secondary batteries respectively connected to the block is disposed, and has a refractory heat insulating material plate disposed between the adjacent secondary batteries, each of the secondary batteries, A secondary battery block that is spaced apart from the refractory heat insulating material plate in a vertical direction along the gravitational direction and is disposed via a gap, and the circuit block and the secondary battery block are accommodated therein. And a fire extinguishing device capable of injecting a fire extinguishing agent toward a gap between the fireproof heat insulating material plate of the secondary battery block and the secondary battery.
  • the storage main body portion has an outflow amount of air in a region where the circuit block is arranged in the internal space of the storage main body portion before supplying the fire extinguishing agent. It is preferable to be configured to be larger than the outflow amount of air in a region where the secondary battery block is disposed in the internal space of the storage main body when supplying the extinguishing agent.
  • the secondary battery storage system rack stores the circuit block and the secondary battery block in the storage main body, and the secondary battery block is disposed between the adjacent secondary batteries. Even if an abnormality such as heat generation or ignition occurs in one secondary battery, the adjacent secondary battery is separated by the plate material, and there is a spatial gap between the plate material. The occurrence of abnormality can be stopped only in the secondary battery in which has occurred.
  • the secondary battery storage system rack stores the circuit block and the secondary battery block in the storage main body, and the secondary battery block is interposed between the adjacent secondary batteries. Since there is a fire extinguishing device that has a fire resistant heat insulating material plate arranged and can inject a fire extinguishing agent toward the gap between the fire resistant heat insulating material plate of the secondary battery block and the secondary battery, tentatively to one secondary battery Even if an abnormality such as heat generation or ignition occurs, the abnormality can be stopped only in the secondary battery in which the abnormality has occurred.
  • the outflow amount of air in the area where the circuit block is arranged in the internal space of the storage main body before supplying the fire extinguishing agent from the fire extinguishing device to the secondary battery block is reduced. More than the outflow amount of air in the region where the secondary battery block is arranged in the internal space of the storage main body when supplying the extinguishing agent. Thereby, since it can suppress that a fire extinguisher is discharged
  • FIG. 1 it is a figure which shows the front view and top view when the front door is closed in the secondary battery storage system rack. In embodiment which concerns on this invention, it is a figure which shows the front view and top view when the front door is opened in the secondary battery storage system rack. In embodiment which concerns on this invention, it is a figure which shows the arrangement
  • FIG. 1 it is a figure which shows the front view and top view when the front door is closed in the secondary battery storage system rack. In embodiment which concerns on this invention, it is a figure which shows the front view and top view when the front door is opened in the secondary battery storage system rack. In embodiment which concerns on this invention, it is a figure which shows the arrangement
  • a lithium ion battery assembly will be described as a secondary battery.
  • a battery that can be charged / discharged and generates heat by an electrochemical reaction may be used.
  • a nickel hydride assembled battery, a nickel cadmium assembled battery, a manganese assembled battery, or the like may be used.
  • the reason for using the assembled battery is to combine the single cells to obtain a desired high voltage. Therefore, the number of cells constituting the assembled battery can be appropriately determined according to the specification.
  • the calcium silicate board which is a fireproof heat insulation board is demonstrated as a board
  • what is necessary is just a board of the material which has suitable fire resistance, suitable heat insulation, and suitable intensity
  • a ceramic plate made of an appropriate material can be used.
  • CF 3 CF 2 C (O) CF (CF 3 ) 2 will be described as a fire extinguishing agent, but other fire extinguishing agents may be used as long as they can extinguish the ignition of the secondary battery.
  • the dimensions, shapes, numbers, materials, and the like described below are examples for explanation, and can be appropriately changed according to the specifications of the secondary battery storage system rack.
  • the size, shape, number of secondary batteries housed in the secondary battery block described below, the size, shape, number, etc. of the refractory heat insulating plate are examples.
  • FIG. 1 shows a front view and a top view when the front door 14 is closed in the secondary battery storage system rack 10.
  • FIG. 2 shows a front view and a top view when the front door 14 is opened in the secondary battery storage system rack 10.
  • the secondary battery storage system rack 10 includes a storage main body 12 and a fire extinguishing device 20.
  • the storage body 12 has a function as a rack for storing therein the circuit block 40 and the secondary battery block 120 including the plurality of secondary batteries 140.
  • the storage main body 12 has a box shape elongated in the vertical direction, the bottom surface in contact with the installation surface has a substantially square shape, three sides are surrounded by side wall members as outer wall portions, and the other one is a front door 14 that can be opened and closed.
  • the vertical direction indicates the gravity direction G as shown in FIGS.
  • the side wall member and the front door 14 are formed using a material having an appropriate strength, for example, a stainless steel material.
  • a material having an appropriate strength for example, a stainless steel material.
  • the bottom surface is about 70 cm ⁇ about 70 cm, and the height is about 240 cm.
  • the height dimension of the fire extinguishing apparatus 20 is about 50 cm. Of course, other dimensions may be used.
  • FIG. 3 is a diagram showing a state in which the front door 14 is opened in the storage main body 12, and shows the overall configuration of the secondary battery storage system rack 10 including the fire extinguishing device 20.
  • the fire extinguishing apparatus 20 placed on the upper side of the ceiling part of the storage main body 12 is a fire extinguishing facility having a function of supplying a fire extinguishing agent when the secondary battery block 120 needs to be extinguished.
  • the fire extinguisher 20 includes a fire extinguisher control unit 22, a fire extinguisher tank 24, a fire extinguisher supply valve 26, and a fire extinguisher supply pipe 28.
  • the fire extinguisher tank 24 is a tank that stores a fire extinguisher whose mass per unit volume is larger than the mass per unit volume of air.
  • the fire extinguisher supply pipe 28 is a pipe for supplying the fire extinguisher in the fire extinguisher tank 24 to the secondary battery block 120. It is arranged to extend toward the secondary battery block 120 to be arranged.
  • the plurality of injection ports 150 provided in the fire extinguishing agent supply pipe 28 are nozzles that inject a fire extinguishing agent.
  • the fire extinguishing agent supply valve 26 allows the extinguishing agent to be supplied from the extinguishing agent tank 24 to the extinguishing agent supply pipe 28 when the valve is opened, and when the valve is closed, the extinguishing agent supply pipe 28 from the extinguishing agent tank 24. Has the function of stopping the supply of fire extinguishing agent.
  • the fire extinguisher supply valve 26 is controlled to be opened and closed by the fire extinguisher control unit 22.
  • the fire extinguisher control unit 22 opens the fire extinguisher supply valve 26 when there is an external alarm signal to be described later or a fire extinguishing start signal from the control unit 44 of the circuit block 40, and the fire extinguishing end from the control unit 44 is completed.
  • the control device has a function of closing the extinguishing agent supply valve 26.
  • the intake fan unit 32 provided at the lower part of the front door 14 of the storage main body 12 has a function of taking air into the interior of the secondary battery storage system rack 10 from the outside.
  • the exhaust fan part 30 provided in the upper part of the front door 14 has a function which discharges
  • the intake fan unit 32 and the exhaust fan unit 30 each include an opening provided in the front door 14 and a fan attached to the front door 14 in accordance with the opening. The operations of the intake fan unit 32 and the exhaust fan unit 30 are controlled under the control unit 44 of the circuit block 40.
  • a space surrounded by the three side wall members, the bottom, and the ceiling includes a first smoke sensor 90, a second smoke sensor 92, an intake valve 94, an exhaust valve 96, a pressure relief valve 98, Elements such as the circuit block 40 and the secondary battery block 120 are arranged.
  • the first smoke sensor 90 and the second smoke sensor 92 are configured to detect smoke generated by the secondary battery 140 when the secondary battery 140 exceeds a predetermined allowable temperature and ignites in an abnormal state. It is.
  • the first smoke sensor 90 is disposed in the upper region of the secondary battery block 120 inside the storage body 12, and the second smoke sensor 92 is disposed in the vicinity of the uppermost portion inside the storage body 12. The detection results of the first smoke sensor 90 and the second smoke sensor 92 are transmitted to the control unit 44 of the circuit block 40.
  • the intake valve 94 and the exhaust valve 96 are attached to the upper part of the storage main body 12, and after the fire extinguishing device 20 is activated after an abnormality occurs in the secondary battery block 120, the used extinguishing agent after the extinguishing is not shown It is an on-off valve used for suction and exhaust by a suction pump.
  • the operation of the intake valve 94 and the exhaust valve 96 is controlled under the control unit 44 of the circuit block 40. Specifically, in normal times, the intake valve 94 and the exhaust valve 96 are both closed, and after the fire is extinguished, the intake valve 94 is opened to the air, and the exhaust valve 96 is opened to a suction pump (not shown). As a result, air is taken into the storage main body 12 from the intake valve 94, and the used extinguishing agent together with the air is discharged to the outside through the exhaust valve 96 by the suction pump.
  • the pressure-reducing valve 98 is a valve that opens to normalize the pressure value of the storage body 12 when the internal pressure of the storage body 12 exceeds a predetermined pressure value.
  • the power terminal portion that guides the power line 100 for exchanging power with the outside to the inside of the storage main body portion 12 is provided on the ceiling portion of the storage main body portion 12.
  • four power lines 100 are shown: a DC power input line and output line, and an AC power input line and output line. This is an example, and the power line 100 having a configuration other than this may be used.
  • a signal terminal portion that guides signal lines 102, 104, and 106 for exchanging signals with the outside to the inside of the storage main body portion 12 is provided on the ceiling portion of the storage main body portion 12.
  • a charge / discharge command signal line 102, an external alarm signal line 104, and an abnormal signal line 106 are shown.
  • the charge / discharge command signal line 102 is a signal for instructing the control unit 44 of the circuit block 40 of the storage main body unit 12 to charge / discharge the secondary battery block 120 from a control device outside the secondary battery storage system rack 10.
  • the external alarm signal line 104 is a signal line that transmits to the control unit 44 an alarm signal that is generated when a fire has occurred outside the secondary battery storage system rack 10.
  • the abnormal signal line 106 is a signal line that generates an abnormal signal in the control unit 44 when an abnormal temperature rise or the like occurs in the secondary battery block 120 and transmits it to an external control device or the like.
  • these signal lines are examples, and of course, other signal lines can be provided.
  • the circuit block 40 housed in the housing body 12 includes a power distributor unit 46, a control unit 44 described in relation to signal lines, and a breaker unit 42.
  • the power distributor unit 46 is suitable for receiving power from the outside through the power line led from the power terminal unit and charging each secondary battery 140 of the secondary battery block 120 by voltage conversion or AC / DC conversion. And a function of performing power conversion for supplying power to an external load by voltage conversion, orthogonal conversion, or the like for the discharged power from the secondary battery block 120. Specifically, it includes a DC / DC conversion circuit that converts DC voltage, an AC / DC conversion circuit that converts DC power to AC power, a DC / AC conversion circuit that converts AC power to DC power, and the like. The The power distributor unit 46 also includes a switching circuit that selects these conversion circuits and switches power paths according to the types of input power and output power. The power distributor unit 46 is connected to the control unit 44 described below by a signal line 108 and operates under the control of the control unit 44.
  • the control unit 44 includes a charge / discharge control unit and a fire extinguishing control unit.
  • the charge / discharge control unit has a function of controlling the operation of the power distributor unit 46 based on a charge / discharge command transmitted by the charge / discharge command signal line 102 guided from the signal terminal unit.
  • the fire extinguishing control unit includes a secondary battery temperature signal transmitted from the secondary battery block 120 via the signal line 112, a signal from the first smoke sensor 90, a signal from the second smoke sensor 92, and the signal terminal unit described above. It has a function of controlling the operation of the fire extinguishing device 20 based on an external alarm signal transmitted by an external alarm signal line 104 led from the above.
  • the fire extinguishing control unit stops the operation of the intake fan unit 32 and the exhaust fan unit 30 when the fire extinguishing device 20 is operated, and opens the intake valve 94 and the exhaust valve 96 as described above after extinguishing the fire. It has a function to perform control.
  • the breaker unit 42 is a power interrupting device having a function of interrupting charge / discharge power between the power distributor unit 46 and the secondary battery block 120.
  • the breaker unit 42 is connected to the control unit 44 by the signal line 110, and the control of the shut-off operation is controlled under the control unit 44. For example, when an abnormality occurs in the secondary battery block 120, charging to the secondary battery block 120 or discharging from the secondary battery block 120 is interrupted.
  • the secondary battery block 120 includes a plurality of secondary batteries 140 and a plurality of refractory heat insulating material plates 134 disposed between the secondary batteries 140.
  • a plurality of secondary batteries 140 and a plurality of refractory heat insulating material plates 134 disposed between the secondary batteries 140.
  • six rectangular parallelepiped secondary batteries 140 and six refractory insulation plates 134 are alternately arranged in the vertical direction along the direction of gravity. That is, a first refractory heat insulating material plate 134 is arranged immediately below the breaker unit 42 with the plate surface parallel to the horizontal direction, and below that, the first secondary battery 140 has the upper and lower surfaces of the rectangular parallelepiped parallel to the horizontal direction.
  • the second refractory heat insulating material plate 134 is disposed further below, and the second secondary battery 140, the third refractory heat insulating material plate 134, the third secondary battery 140, 4 are disposed below.
  • the battery 140 and the battery are sequentially arranged. If necessary, a seventh refractory heat insulating material plate 134 may be disposed under the sixth secondary battery 140.
  • the secondary battery 140 is a lithium ion assembled battery including an assembled battery case and a plurality of lithium ion single cells housed therein, and has a rectangular parallelepiped outer shape as described above.
  • the positive terminal and the negative terminal of the secondary battery 140 are connected to the breaker unit 42 by the power line 114.
  • a temperature sensor for detecting the secondary battery temperature is provided inside the assembled battery case, and the detection data is transmitted to the control unit 44 through the signal line 112.
  • the refractory heat insulating material plate 134 is a plate material for thermally separating the adjacent secondary batteries 140. Specifically, a calcium silicate plate having excellent fire resistance, heat insulating effect, and strength is used.
  • the refractory heat insulating material plate 134 has a gas barrier property in the plate thickness direction so that even if one secondary battery 140 ignites, the ignition does not reach the adjacent secondary battery 140, and the processing hole It is the shielding flat plate which does not have openings, such as.
  • FIG. 4 is a detailed view showing the arrangement of the secondary battery 140 and the refractory insulation board 134.
  • the lower part of FIG. 4 shows the state of the lower part of the storage main body 12 with the front door 14 open, and the upper part of FIG. 4 shows 1 in the storage main body 12 with the front door 14 closed.
  • the top view which looked at the downward direction from the upper direction of the two secondary batteries 140 is shown.
  • the pillars 122, 124, 126, and 128 are column members that are respectively set up at four corners inside the storage body 12 and are firmly fixed to the bottom surface of the storage body 12.
  • the support columns 122, 124, 126, and 128 have a function as mounting columns for arranging the elements constituting the secondary battery block 120 and the circuit block 40.
  • the support columns 122, 124, 126, and 128 can be extended to the ceiling portion of the storage main body portion 12 as necessary to improve the fixing property as a pillar material.
  • a material having fire resistance and appropriate strength formed into a column shape for example, a metal column, a pipe, or the like can be used. In the example of FIG. 4, a prism is used, but a polygonal column, a cylinder, or the like may be used.
  • the shelf support members 130 and 132 are bar members that have a function of supporting a shelf board when placed on two pillar members facing each other and placing a shelf board thereon.
  • the shelf support member 130 is passed and fixed between the support column 122 and the support column 126
  • the shelf support material 132 is passed and fixed between the support column 124 and the support column 128.
  • the fireproof heat insulating plate 134 described later is placed horizontally between the pair of shelf receiving materials 130 and 132 as a shelf plate. it can.
  • the shelf receiving materials 130 and 132 are attached at predetermined intervals along the height direction of the columns 122, 124, 126, and 128.
  • the predetermined interval is set as an interval having a dimension sufficiently larger than the height of the rectangular parallelepiped of the secondary battery 140.
  • a bar made of a fire-resistant material can be used as the shelf boards 130 and 132.
  • a metal round bar can be used as the shelf boards 130 and 132.
  • a plurality of shelf boards can be arranged at predetermined intervals in the vertical direction.
  • three pairs of shelf support members 130 and 132 are illustrated.
  • the fireproof heat insulating material board 134 is a shelf board arrange
  • FIG. As shown in the upper part of FIG. 4, the refractory heat insulating material plate 134 is large enough to cover the other part from the space area inside the storage body 12 while leaving an appropriate space on the side wall member side.
  • Have Appropriate space is used for the intake and exhaust when the intake valve 94 and the exhaust valve 96 are operated through the signal line 112, the power line 114, and the fire extinguisher supply pipe 28 described with reference to FIG. It is enough room. For example, a gap of several centimeters is formed from the side wall member side, and this gap space can be set as the appropriate space.
  • the fire-resistant heat insulating material plate 134 has a shape in which the planar shape is a rectangular shape with four corners cut out. The cutouts at the four corners are provided to pass through the columns 122, 124, 126, and 128.
  • the size of the rectangular shape is set sufficiently larger than the planar dimension of the rectangular parallelepiped of the secondary battery 140.
  • the planar size of the rectangular parallelepiped of the secondary battery 140 is about 45 cm ⁇ about 45 cm, and in the above example, the bottom surface size of the storage main body 12 is about 70 cm ⁇ about 70 cm, the thickness of the side wall member is several mm, When the marginal space is several centimeters, the rectangular shape of the refractory insulation board 134 can be about 60 cm ⁇ about 60 cm. Of course, other dimensions can be used.
  • a calcium silicate plate excellent in fire resistance, heat insulating effect and strength can be formed or processed into the above shape. Since the fireproof heat insulating material plate 134 needs to have fire resistance, heat insulating properties, and appropriate strength, as described above, it is a flat plate that does not have unnecessary openings such as processed holes in the plate thickness direction. . In addition, in order to reinforce the strength of the calcium silicate plate, a laminated structure may be used by using a metal thin plate having an appropriate thickness to the extent that the heat insulation is not impaired.
  • the refractory heat insulating material plate 134 is also arranged in the vertical direction in the secondary battery block 120 inside the storage body 12.
  • a plurality of sheets can be arranged at predetermined intervals.
  • the secondary battery block 120 inside the storage main body 12 can be divided into a plurality of spaces partitioned vertically by the refractory heat insulating material plate 134.
  • FIG. 4 shows an example in which one sheet of the fireproof heat insulating material board 134 is also laid on the bottom surface of the storage main body 12. For example, when signal lines, circuit components, etc. are arranged on the bottom surface side. It is preferable to do this.
  • the secondary battery 140 is a lithium ion assembled battery that is arranged one by one in a space partitioned by an upper and lower sides by a fireproof heat insulating material plate 134.
  • “One by one” means one unit that can be controlled by the control unit 44, for example, a unit that can be distinguished from other secondary batteries 140 by the breaker unit 42.
  • six secondary batteries 140 are arranged one by one in a space partitioned by the refractory heat insulating material plate 134, and each of the six secondary batteries 140 includes The charge / discharge state can be interrupted by the breaker unit 42 one by one.
  • the support members 136 and 138 are arranged between the battery support surface that is the top surface and the fireproof heat insulating material plate 134 so that the secondary battery 140 is spatially spaced from the fireproof heat insulating material plate 134 and disposed through a gap. It is an L-shaped bending board member which has a leg part for separation.
  • the support member 136 has legs attached to the columns 122 and 126 so that the battery support surface, which is an L-shaped top surface, is horizontal, and the support member 138 has legs so that the battery support surface is horizontal. Attached to the columns 124 and 128. At the time of attachment, the height position of the battery support surface of the support member 136 and the height position of the battery support surface of the support member 138 are set to be the same. Accordingly, the bottom surface side of the secondary battery 140 can be supported by the battery support surfaces of the pair of support members 136 and 138.
  • the mounting positions of the support members 136 and 138 with respect to the columns 122, 124, 126, and 128 are arranged above and above the secondary battery 140 when the secondary battery 140 is placed and supported on the battery support surface.
  • the upper surface of the secondary battery 140 and the upper surface of the refractory heat insulating material plate 134 disposed below the secondary battery 140 are formed so that an appropriate upper spatial gap is formed between the lower surface of the refractory heat insulating material plate 134.
  • An appropriate lower spatial gap is formed between them.
  • the secondary battery 140 is arrange
  • the secondary battery 140 is separated from other elements including the refractory heat insulating material plate 134 by the upper spatial gap and the lower spatial gap, and the thermal conductivity of air is smaller than that of the solid. Therefore, even if heat is generated in one secondary battery 140, heat conduction to the other secondary batteries 140 can be effectively suppressed.
  • the secondary batteries 140 are arranged one by one in the space partitioned by the fireproof heat insulating material plate 134, even if one secondary battery 140 is ignited, the fireproof heat insulating material plate 134 can effectively suppress other secondary batteries 140 from being affected.
  • a plurality of two secondary batteries 140 are spatially separated from the refractory heat insulating material plate 134 in the space partitioned by the refractory heat insulating material plate 134 and separated from each other. Even when a heat generation abnormality occurs in one of the secondary batteries 140, the heat generation abnormality of the secondary battery 140 can be suppressed by suppressing the heat generation abnormality of the secondary battery 140. In addition, when a heat generation abnormality occurs in one secondary battery 140, the abnormality is detected by the secondary battery temperature sensor, and the abnormality is transmitted to the control unit 44 by the signal line 112. The breaker unit 42 can block the charging / discharging of the secondary battery 140 that has occurred.
  • the ignition of the secondary battery 140 is caused by the fire resistance of the refractory insulation board 134. However, it is possible to suppress the ignition from progressing to the other secondary battery 140.
  • the fire extinguishing device 20 When one secondary battery 140 is ignited in this way, in addition to the action of the fireproof heat insulating plate 134 and the action of the breaker unit 42, the fire extinguishing device 20 is operated to Fire extinguishing agent can be supplied to quickly extinguish the fire.
  • the operation of the fire extinguishing device 20 can be performed by an external alarm signal, but is based on the abnormality of the secondary battery temperature, which is the temperature of the secondary battery 140, or the detection of smoke by the first smoke sensor 90 or the second smoke sensor 92. Then, the control unit 44 opens the fire extinguisher supply valve 26 of the fire extinguishing device 20.
  • the injection port 150 is a nozzle provided in the fire extinguishing agent supply pipe 28 extending toward the secondary battery block 120 from the fire extinguishing agent tank 24 of the fire extinguishing device 20 via the fire extinguishing agent supply valve 26 as described above. And when the fire extinguisher supply valve 26 is operated under the control of the control unit 44, the function of injecting the digestive agent supplied from the fire extinguisher tank 24 to the digestive agent supply pipe 28 into the secondary battery block 120 is provided. Have.
  • the injection port 150 is arranged one by one for each space partitioned by the fireproof heat insulating material plate 134. That is, one battery is disposed for each secondary battery 140 disposed in a space partitioned by the refractory heat insulating material plate 134. However, a plurality of injection ports 150 may be provided for one secondary battery 140. For example, a plurality of extinguishing agent supply pipes 28 may be provided, and one injection port 150 for one secondary battery 140 may be provided for each digestive agent supply pipe 28.
  • the arrangement position of the injection port 150 is set so that the fire extinguishing agent can be injected from the side surface side of the secondary battery 140 toward the gap between the fireproof heat insulating material plate 134 of the secondary battery block 120 and the secondary battery 140.
  • the specific height position of the injection port 150 is set in consideration of the mass per unit volume of the extinguishing agent.
  • the extinguishing agent is a substance that fills the extinguishing agent tank 24, and has a mass per unit volume at the time of injection larger than a mass per unit volume of air and has electrical insulation.
  • CF 3 CF 2 C (O) CF (CF 3 ) 2 that generates a volatile trifluoromethyl group (CF 3 * ) by thermal decomposition after injection can be used.
  • the product name Remora manufactured by Koatsu Co., Ltd. can be used as the fire extinguishing device 20, and the fire extinguishing agent model number FK-5-1-12 and trademark registration Novec 1230 filled in the remora can be used as the fire extinguishing agent.
  • the Novec 1230 is in an electrically insulating liquid state in which the mass per unit volume is larger than the mass per unit volume of air when the fire extinguisher tank 24 is filled. Since the mass per unit volume is larger than the mass per unit volume of air due to the injection into the air, it moves downward and touches the secondary battery 140, which is the object to be ignited, to generate heat. Decomposes to generate volatile trifluoromethyl groups (CF 3 * ).
  • This trifluoromethyl group (CF 3 * ) reacts with OH * and H * , which are active free radicals generated from the fuel material in the course of combustion, and this free radical is converted into a relatively inert H 2 molecule or H By changing to 2 O molecules, it has the effect of suppressing chain generation of OH * and H * which are active free radicals during combustion.
  • the specific height position of the injection port 150 is the upper surface of the secondary battery 140 and above It is set so as to correspond to the upper side spatial gap between the lower surface of the refractory heat insulating material plate 134 arranged in the above. More specifically, the position is set higher than the upper surface position of the secondary battery 140 and lower than the lower surface of the refractory heat insulating material plate 134 disposed above the secondary battery 140.
  • the injection port 150 is arranged one by one for each space partitioned by the fireproof heat insulating material plate 134, and the height position thereof is the height of the upper surface of the secondary battery 140 disposed in the partitioned space.
  • the position is set slightly higher than the position.
  • the slightly higher position means that when the extinguishing agent injected from the injection port 150 is sprayed on the upper surface of the secondary battery 140 due to the property that the mass per unit volume is larger than the mass per unit volume of air.
  • the position is such that the entire upper surface of 140 can be covered.
  • This height position can be set by the jetting speed of the digestive agent from the injection port 150, the distance from the injection port 150 to the secondary battery 140, and the like.
  • the extinguishing agent 152 injected from the injection port 150 descends downward from the injection port 150 because the mass per unit volume is larger than the mass per unit volume of air. Sprayed while. Then, it reaches the upper surface of the secondary battery 140 and thermally decomposes, volatilizes and vaporizes depending on the temperature, and flows toward the gap space on the left side of the storage main body 12.
  • the fire extinguishing agent 152 is injected from all the injection ports 150, and all the secondary batteries 140 are extinguished. This is because the ignition of the secondary battery 140 is in a special abnormal state, and it may be too late to extinguish only the secondary battery 140 that has ignited.
  • the operation of the intake fan unit 32 and the exhaust fan unit 30 is stopped by the function of the control unit 44 as described above, and the storage main body unit 12 is sealed.
  • the intake valve 94 and the exhaust valve 96 are opened, air is introduced from the intake valve 94 into the storage main body 12, and the extinguished volatile gas inside the storage main body 12 is combined with the air.
  • the exhaust valve 96 is discharged to the outside by an exhaust device.
  • the mass per unit volume of the digestive agent is assumed to be larger than the mass per unit volume of air. Conversely, when the mass per unit volume of the digestive agent is smaller than the mass per unit volume of air. Changes the height position of the injection port accordingly.
  • the specific height position in this case is set so as to correspond to the lower spatial gap between the lower surface of the secondary battery 140 and the upper surface of the refractory heat insulating material plate 134 disposed below the secondary battery 140. Is good. More specifically, it may be set at a position lower than the lower surface position of the secondary battery 140 and higher than the upper surface of the refractory heat insulating material plate 134 disposed below the secondary battery 140. Good.
  • FIG. 6 shows a front view and a top view when the front door 14 is closed in the secondary battery storage system rack 10.
  • FIG. 7 shows a front view and a top view when the front door 14 is opened in the secondary battery storage system rack 10.
  • FIG. 8 is a view showing the arrangement relationship of specific elements of the secondary battery storage system rack 10 when the front door 14 is opened.
  • the secondary battery storage system rack 10 includes a storage main body 12 and a fire extinguishing device 20.
  • the housing body 12 houses the intake valve 94, the exhaust valve 96, the pressure-reducing valve 98, the first smoke sensor 90, the second smoke sensor 92, the circuit block 40, and the secondary battery block 120 inside. Function as a rack.
  • the storage body 12 is a box shape having a substantially square bottom surface and elongated along the direction of gravity G.
  • the storage body 12 is surrounded by side walls 222, 224, and 226, and the other one is a front that can be opened and closed.
  • a door 14 is provided.
  • the side wall members 222, 224, 226 and the front door 14 are formed using a material having appropriate strength, for example, a stainless steel material.
  • the operation of the intake fan unit 32 provided at the lower part of the front door 14 of the storage body 12 is controlled by the control unit 44 and has a function of taking air into the interior from the outside of the storage body 12.
  • the intake fan unit 32 includes an intake port provided in the front door 14 and a fan attached to the front door 14 according to the intake port.
  • the intake-side shutter 182 is a shutter that can be slid along the gravity direction G so that the operation is controlled by the control unit 44 and the intake port of the intake fan unit 32 is closed.
  • the exhaust fan unit 30 provided at the upper part of the front door 14 of the storage body 12 is controlled by the control unit 44 and has a function of discharging air from the inside of the storage body 12 to the outside.
  • the exhaust fan unit 30 includes an exhaust port provided in the front door 14 and a fan attached to the front door 14 according to the exhaust port.
  • the exhaust-side shutter 180 is a shutter that is controlled by the control unit 44 and can slide along the gravity direction G so as to close the exhaust port of the exhaust fan unit 30.
  • the arrangement relationship of the elements arranged inside the storage main body 12 is that the secondary battery block 120 having a large mass is arranged below the circuit block 40 in the gravity direction G.
  • the circuit block 40 having a smaller mass than the secondary battery block 120 is disposed above the secondary battery block 120 in the gravity direction G.
  • the secondary battery block 120 may be disposed below so that the center of gravity of the storage main body 12 is at the bottom, and another device may be provided below the secondary battery block 120.
  • a power terminal part for guiding the power line 100 for exchanging power with the outside to the inside of the storage body part 12 is placed on the upper side of the ceiling part of the storage body part 12.
  • four power lines 100 are shown: a DC power input line and output line, and an AC power input line and output line. This is an example, and the power line 100 having a configuration other than this may be used.
  • a signal terminal portion that guides signal lines 102, 104, and 106 for exchanging signals with the outside to the inside of the storage main body portion 12 is placed on the upper side of the ceiling portion of the storage main body portion 12.
  • a charge / discharge command signal line 102, an external alarm signal line 104, and an abnormal signal line 106 are shown on the upper side of the ceiling portion of the storage main body portion 12.
  • the charge / discharge command signal line 102 is used to instruct the control unit 44 of the circuit block 40 of the storage main body unit 12 to charge / discharge the secondary battery block 120 from a control device or the like outside the secondary battery storage system rack 10.
  • This is a signal line for transmitting the signal.
  • the external alarm signal line 104 is a signal line for transmitting to the control unit 44 an alarm signal generated when a fire has occurred outside the secondary battery storage system rack 10.
  • the abnormal signal line 106 is a signal line for generating an abnormal signal in the control unit 44 when an abnormal temperature rise or the like occurs in the secondary battery block 120 and transmitting it to an external control device or the like.
  • these signal lines are examples, and of course, other signal lines can be provided.
  • the circuit block 40 includes a power distributor unit 46, a control unit 44, and a breaker unit 42.
  • Each of these elements is a power distributor unit 46 connected to the power line 100 so as to follow the flow of power when charging / discharging between the secondary battery block 120 of the secondary battery storage system rack 10 and the outside.
  • the breaker unit 42 connected to the secondary battery block 120 is disposed at the lowermost position, with the control unit 44 controlling the power distributor unit 46 and the breaker unit 42 in the middle. Thereby, since the wiring which connects each element can be shortened, the power loss by wiring resistance can be suppressed.
  • the power distributor unit 46 converts input power input from the outside via the power line 100 as charging power, converts the discharge power of the secondary battery block 120 as output power, and outputs the power via the power line 100 to the outside. It has a function to output.
  • the control unit 44 disposed below the power distributor unit 46 includes a charge / discharge control unit 80 and a fire extinguishing control unit 82.
  • the charge / discharge control unit 80 controls the power distributor unit 46 so that power is charged / discharged between the outside and the secondary battery block 120 according to the charge / discharge command transmitted through the charge / discharge command signal line 102. It has a function to control.
  • the fire extinguishing control unit 82 has a function of controlling the fire extinguishing device 20 so that the fire extinguishing device 20 supplies the secondary battery block 120 with the fire extinguishing agent based on an external alarm signal transmitted from the external alarm signal line 104 or the like. Have.
  • the control unit 44 and the power distributor unit 46 are connected by a signal line 108, and the control unit 44 and the breaker unit 42 are connected by a signal line 110.
  • the breaker unit 42 arranged below the control unit 44 is connected / disconnected by the control of the control unit 44.
  • the secondary battery block 120 disposed below the breaker unit 42 includes a plurality of secondary batteries 140 that perform charging and discharging, and a refractory heat insulating plate 134 for suppressing heat conduction between the secondary batteries 140. Consists of including.
  • the secondary battery 140 for example, a lithium ion secondary battery having a negative electrode made of a carbon material, an electrolytic solution for moving lithium ions, and a positive electrode active material capable of reversing lithium ions can be used. Can do.
  • As the fireproof heat insulating plate 134 for example, a calcium silicate plate excellent in fire resistance, heat insulating effect, and strength can be used.
  • the secondary battery block 120 has been described as including a plurality of secondary batteries 140 and the refractory heat insulating plate material 134, the secondary battery block 120 may include only the secondary battery 140 without including the refractory heat insulating plate material 134.
  • Each secondary battery 140 includes an electrode connected to the breaker unit 42 via the power line 114, and a temperature sensor 142 that detects an internal temperature state.
  • the temperature sensors 142 are connected to the control unit 44 by signal lines 112 and transmit temperature signals (temperature information) to the control unit 44.
  • the first smoke sensor 90 and the second smoke sensor 92 are configured to detect smoke generated by the secondary battery 140 when the secondary battery 140 exceeds a predetermined allowable temperature and ignites in an abnormal state. It is.
  • the first smoke sensor 90 is disposed in the upper region where the secondary battery block 120 is disposed inside the storage body 12, and the second smoke sensor 92 is disposed in the vicinity of the uppermost portion inside the storage body 12.
  • the detection results of the first smoke sensor 90 and the second smoke sensor 92 are transmitted to the control unit 44 of the circuit block 40.
  • the fire extinguishing device 20 functions as a fire extinguishing facility placed on the upper side of the ceiling portion of the storage main body 12.
  • the fire extinguisher 20 includes a fire extinguisher control unit 22, a fire extinguisher tank 24, a fire extinguisher supply valve 26, and a fire extinguisher supply pipe 28.
  • the fire extinguisher tank 24 is a tank for storing a fire extinguisher.
  • the extinguishing agent supply pipe 28 extends toward the secondary battery block 120 and is a pipe for supplying the extinguishing agent in the extinguishing agent tank 24 to the secondary battery block 120 from the injection port 150 attached to the tip portion thereof. It is.
  • the extinguishing agent filled in the extinguishing agent tank 24 one having a mass per unit volume larger than the mass per unit volume of air and having electrical insulation is used, for example, by thermal decomposition after injection.
  • CF 3 CF 2 C (O) CF (CF 3 ) 2 that generates a volatile trifluoromethyl group (CF 3 * ) can be used.
  • the fire extinguishing agent supply valve 26 allows the extinguishing agent to be supplied from the extinguishing agent tank 24 to the extinguishing agent supply pipe 28 when the valve is opened, and when the valve is closed, the extinguishing agent supply pipe 28 from the extinguishing agent tank 24. Stop supplying the extinguishing agent to the machine.
  • the fire extinguisher supply valve 26 is controlled to be opened and closed by the fire extinguisher control unit 22.
  • the fire extinguisher control unit 22 opens the fire extinguisher supply valve 26 when an external alarm signal indicating a fire extinguishing start signal input via the external alarm signal line 104 or a fire extinguishing start signal from the control unit 44 is received. To do.
  • the fire extinguisher control unit 22 closes the fire extinguisher supply valve 26 when a fire extinguishing end signal is received from the control unit 44.
  • the intake valve 94 and the exhaust valve 96 are attached to the ceiling of the storage main body 12, and after the fire extinguishing device 20 is activated after the secondary battery block 120 is abnormal, the used fire extinguisher after the extinguishing is not illustrated. It is an on-off valve used for suctioning and exhausting by a suction pump.
  • the operation of the intake valve 94 and the exhaust valve 96 is controlled under the control unit 44 of the circuit block 40. Specifically, the intake valve 94 and the exhaust valve 96 are normally closed at the normal time, and after the fire is extinguished, the intake valve 94 is opened and released to the air, and the exhaust valve 96 is opened and the suction pump is not shown. Connected. As a result, air is taken into the storage main body 12 from the intake valve 94, and the used extinguishing agent together with the air is discharged to the outside through the exhaust valve 96 by the suction pump.
  • the pressure-reducing valve 98 is a valve that opens to normalize the pressure value of the storage body 12 when the internal pressure of the storage body 12 exceeds a predetermined pressure value.
  • FIG. 9 is a timing chart showing a procedure for extinguishing a fire when the secondary battery block 120 is ignited in the secondary battery storage system rack 10.
  • BTA Battery Temperature Abnormal
  • BTN Battery Temperature Normal
  • FIG. 9 BTN (Battery Temperature Normal) is arranged in the vicinity of the secondary battery 140 in which an abnormality has occurred, in order to compare the temperature change of the secondary battery 140 while maintaining a normal state with BTA. As shown.
  • T 0 indicates a charge / discharge stop threshold temperature
  • T 1 indicates an abnormal signal generation threshold temperature that is higher than T 0
  • T 2 is a temperature higher than T 1.
  • the threshold temperature for fire extinguishing is shown.
  • BTA abnormal state
  • BTN normal state
  • the BTA indicating the temperature change of the secondary battery 140 that has malfunctioned among the secondary batteries 140 of the secondary battery block 120 is the threshold temperature T for charging / discharging stop at time t 1. Higher than 0 .
  • the fire extinguishing control unit 82 determines that at least one of the temperature signals transmitted through the signal line 112 is in an abnormal state. And the fire extinguishing control part 82 stops charging / discharging control with respect to the secondary battery block 120 by carrying out cutoff control of the breaker unit 42 supposing that the abnormality may have generate
  • the breaker unit 42 is controlled to be cut off at the time when the charge / discharge stop threshold temperature T 0 is reached at the earliest time.
  • the fire extinguishing control unit 82 resumes the charge / discharge control for the secondary battery block 120 by controlling the connection of the breaker unit 42, assuming that there is no possibility of abnormality in the secondary battery block 120. .
  • the charge / discharge control is resumed when the charge / discharge stop threshold temperature T 0 is once again lower than the charge / discharge stop threshold temperature T 0 after the temperature exceeds the charge / discharge stop threshold temperature T 0 once.
  • BTA again becomes higher than the charge / discharge stop threshold temperature T 0 at time t 3 .
  • the fire extinguishing control unit 82 stops charging / discharging control for the secondary battery block 120 by controlling the breaker unit 42 again, assuming that the secondary battery block 120 may be abnormal.
  • the BTA becomes higher than the abnormal signal generation threshold temperature T 1 at time t 4 .
  • the charge / discharge stop threshold temperature T 0 it is assumed that there is some abnormality in the secondary battery block 120 and an abnormal signal indicating that an abnormality has occurred in the secondary battery block 120 is abnormal.
  • an abnormal signal is output at the time when the abnormal signal generation threshold temperature T 1 is reached at the earliest time.
  • the fire extinguishing control unit 82 stops the fan of the intake fan unit 32 and slides the intake side shutter 182 so that the intake side shutter 182 closes the intake port of the intake fan unit 32. Further, the fire extinguishing control unit 82 stops the fan of the exhaust fan unit 30 and slides the exhaust side shutter 180 so that the exhaust side shutter 180 closes the exhaust port of the exhaust fan unit 30.
  • the fire extinguishing control unit 82 outputs a fire extinguishing start signal to the fire extinguisher control unit 22. Even if the first smoke sensor 90 and the second smoke sensor 92 do not detect smoke, the BTA temperature exceeds the fire extinguishing threshold temperature T 2 at time t 6 , so the fire extinguishing control unit 82 is the same as above. Perform the process. When the plurality of secondary batteries 140 change to an abnormal temperature, a fire extinguishing start signal is output at the time when the fire extinguishing threshold temperature T 2 is reached at the earliest time.
  • the fire extinguishing control unit 82 outputs a fire extinguishing end signal to the fire extinguisher control unit 22 at a time t 9 when it is considered that a sufficient time has elapsed since the start of extinguishing by the fire extinguishing device 20.
  • the fan of the intake fan unit 32 is stopped to suck the intake port.
  • the side shutter 182 is closed, the fan of the exhaust fan unit 30 is stopped, and the exhaust port is closed by the exhaust side shutter 180.
  • the amount of air outflow in the region where the circuit block 40 before the extinguishing agent is disposed is larger than the amount of air outflow in the region where the secondary battery block 120 is disposed when supplying the extinguishing agent.
  • the internal space of the storage main body 12 in which the secondary battery block 120 is stored is sealed, and the flow of air between the region where the secondary battery block 120 is disposed and the outside of the storage main body 12 is stopped.
  • FIG. 10 is a diagram showing the arrangement relationship of specific elements of the secondary battery storage system rack 11 when the front door 14 is opened.
  • the difference between the secondary battery storage system rack 11 and the secondary battery storage system rack 10 is that a plurality of ventilation openings 186 are provided instead of the intake fan unit 32, the exhaust fan unit 30, the intake side shutter 182, and the exhaust side shutter 180. Therefore, the difference will be mainly described because the intake passage 170, the exhaust passage 172, and the partition wall 177 are provided.
  • the partition wall 177 is a member for partitioning the internal space of the storage main body 12 into two regions in the middle of the gravity direction G. Of the two areas, one area is a circuit block arrangement side area 178 that is an area for arranging the circuit block 40, and the other area is a secondary battery that is an area for arranging the secondary battery block 120. This is a block arrangement side area 179.
  • the first smoke sensor 90 is provided in the upper part of the secondary battery block arrangement side region 179
  • the second smoke sensor 92 is provided in the upper part of the circuit block arrangement side region 178.
  • the intake passage 170 is a pipe having one side connected to the intake valve 94 and the other side passing through the partition wall 177 and connected to the secondary battery block arrangement side region 179.
  • the exhaust passage 172 is a pipe having one side connected to the exhaust valve 96 and the pressure-reducing valve 98 and the other side passing through the partition wall 177 and connected to the secondary battery block arrangement side region 179.
  • the extinguishing agent supply pipe 28 for supplying the extinguishing agent from the extinguishing agent tank 24 to the secondary battery block 120 also extends through the partition wall 177, and each of the injection ports 150 provided at the front end portion thereof has an injection port 150. Arranged to face the secondary battery 140.
  • the plurality of ventilation openings 186 are openings provided in a portion of the front door 14 corresponding to an area where the circuit block arrangement side area 178 is provided. Thereby, the heat generated by the operation of each element of the circuit block 40 can be radiated to the outside of the storage main body 12.
  • the plurality of ventilation openings 186 are provided in a portion corresponding to the region where the circuit block arrangement side region 178 is provided, but the region corresponding to the secondary battery block arrangement side region 179. Is not provided. That is, in the internal space of the storage main body 12, the secondary battery block arrangement side region 179 is in a sealed state. As described above, in the secondary battery storage system rack 11, air is sufficiently taken into the circuit block arrangement side region 178 in the internal space of the storage main body 12 from the outside. Air is not taken into the secondary battery block arrangement side region 179 in the 12 internal spaces.
  • the outflow amount of air in the circuit block arrangement side region 178 before supplying the extinguishing agent is larger than the outflow amount of air in the secondary battery block arrangement side region 179 when supplying the extinguishing agent. Therefore, since it can prevent that a fire extinguisher is discharged
  • the secondary battery storage system rack according to the present invention can be used as a storage device that stores therein a circuit device and a plurality of secondary batteries.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention porte sur un support de système de stockage de batteries secondaires (10) qui est pourvu d'un bloc de circuit (40) qui est connecté à une ligne électrique pour un échange d'énergie avec l'extérieur, d'un bloc de batteries secondaires (120) dans lequel de multiples batteries secondaires (140) sont connectées chacune au bloc de circuit (40), et d'une unité de stockage principale (12) qui stocke de manière interne le bloc de circuit (40) et le bloc de batteries secondaires (120). Le bloc de batteries secondaires (120) possède des panneaux isolants résistants au feu (134), agencés entre des batteries secondaires (140) adjacentes, et chaque batterie secondaire (140) du bloc de batteries secondaires (120) est positionnée de manière à être spatialement séparée des panneaux isolants résistants au feu (134) par un écartement.
PCT/JP2011/067348 2010-07-30 2011-07-28 Support de système de stockage de batteries secondaires WO2012015001A1 (fr)

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JP2010172112 2010-07-30
JP2010172125 2010-07-30
JP2010172123 2010-07-30
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JP2013171673A (ja) * 2012-02-20 2013-09-02 Denso Corp 蓄電装置およびそのキャビネット
JP2014061218A (ja) * 2012-09-24 2014-04-10 Ngk Insulators Ltd 組み合わせ製品
JP2014061202A (ja) * 2012-09-24 2014-04-10 Ngk Insulators Ltd 電力貯蔵装置
WO2014103038A1 (fr) * 2012-12-28 2014-07-03 株式会社日立製作所 Appareil de stockage de puissance
JP2016092007A (ja) * 2014-10-29 2016-05-23 日本ドライケミカル株式会社 二次電池の熱暴走抑止システム
JP2016189317A (ja) * 2015-03-30 2016-11-04 株式会社Ｇｓユアサ コンテナ型蓄電ユニット
JP2017098032A (ja) * 2015-11-20 2017-06-01 パナソニックＩｐマネジメント株式会社 収納盤、蓄電装置、及び蓄電システム
WO2017154462A1 (fr) * 2016-03-08 2017-09-14 パナソニックＩｐマネジメント株式会社 Dispositif de stockage d'électricité
JP2020198962A (ja) * 2019-06-06 2020-12-17 株式会社東芝 直流電源盤
WO2021136875A1 (fr) * 2019-12-30 2021-07-08 Latauspolku Oy Armoire de batterie et procédé de stockage en toute sécurité d'une batterie
CN113795107A (zh) * 2021-09-17 2021-12-14 箭和自动化工程江苏有限公司 一种基于工业自动化控制仪表系统的控制柜及控制方法
CN115350420A (zh) * 2022-07-01 2022-11-18 青岛鸿鹄航空科技有限公司 用于航空集装箱控制的方法及装置、航空集装箱
EP4009414A4 (fr) * 2019-09-19 2022-12-28 Lg Energy Solution, Ltd. Bloc-batterie comprenant une unité d'extinction
WO2023157258A1 (fr) * 2022-02-18 2023-08-24 三菱自動車工業株式会社 Équipement de stockage électrique

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JP2013171673A (ja) * 2012-02-20 2013-09-02 Denso Corp 蓄電装置およびそのキャビネット
JP2014061218A (ja) * 2012-09-24 2014-04-10 Ngk Insulators Ltd 組み合わせ製品
JP2014061202A (ja) * 2012-09-24 2014-04-10 Ngk Insulators Ltd 電力貯蔵装置
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CN115350420B (zh) * 2022-07-01 2024-01-12 青岛鸿鹄航空科技有限公司 用于航空集装箱控制的方法及装置、航空集装箱

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