WO2022210515A1 - Battery unit - Google Patents

Battery unit Download PDF

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Publication number
WO2022210515A1
WO2022210515A1 PCT/JP2022/014929 JP2022014929W WO2022210515A1 WO 2022210515 A1 WO2022210515 A1 WO 2022210515A1 JP 2022014929 W JP2022014929 W JP 2022014929W WO 2022210515 A1 WO2022210515 A1 WO 2022210515A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
bracket
inflow
outflow
heat transfer
Prior art date
Application number
PCT/JP2022/014929
Other languages
French (fr)
Japanese (ja)
Inventor
寛之 菅原
Original Assignee
いすゞ自動車株式会社
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 いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Publication of WO2022210515A1 publication Critical patent/WO2022210515A1/en

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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
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • 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
    • 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
    • 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
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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 battery units.
  • Patent Literature 1 discloses a structure in which a plurality of batteries are housed in a case body, and are attached to the case body by pressing them down from above with battery holders.
  • a vehicle may be provided with a battery unit having a plurality of batteries and a heat transfer medium flow path provided outside the plurality of batteries and through which a heat transfer medium for cooling the plurality of batteries flows.
  • a battery unit having a plurality of batteries and a heat transfer medium flow path provided outside the plurality of batteries and through which a heat transfer medium for cooling the plurality of batteries flows.
  • an object of the present invention is to provide a heat transfer medium flow path while increasing the battery capacity of the vehicle.
  • a battery unit having a plurality of batteries, a housing portion housing the plurality of batteries, and a plurality of brackets for fixing the plurality of batteries to the housing portion, respectively.
  • the battery has a battery inflow portion into which a heat transfer medium flows and a battery outflow portion into which the heat transfer medium that has flowed into the battery inflow portion flows out, and the bracket is external to the battery unit.
  • an inflow path through which the heat transfer medium that has flowed in from the The inflow path includes a first inflow portion into which the heat transfer medium flows from the outside of the battery unit or from another first bracket, and the heat transfer medium that has flowed into the first inflow portion flows out toward the battery inflow portion.
  • the bracket is provided below a first region having a first flow path of either the inflow path or the outflow path and the first area in the height direction of the battery, and a second region having a second channel different from the first channel provided in the first region of the inflow channel or the outflow channel.
  • the bracket may further have a third region into which a bolt for fixing the bracket to the vehicle is inserted between the first region and the second region.
  • the bolt may fix the bracket for fixing the battery to the housing portion to another bracket for fixing another battery adjacent to the battery to the housing portion.
  • the bracket extends in the height direction of the battery and has another vertical region facing the battery, the vertical region including the first region, the second region, and the third region may be formed.
  • the length between the first inflow portion and the other first bracket is smaller than the length between the first outflow portion and the other first bracket
  • the third outflow portion and the A length between the other first brackets may be smaller than a length between the second inflow portion and the other first brackets.
  • the battery inlet and the battery outlet are provided at positions facing a space between the battery and another battery provided in the other first bracket, and the first inlet, The first outflow part, the second outflow part, the second inflow part, the third inflow part, and the third outflow part are exposed in the space toward the battery inflow part and the battery outflow part.
  • FIG. 4 shows a state in which the battery unit according to the present embodiment is installed in a vehicle; 4 shows the structure of the battery unit according to the embodiment; FIG. 4 is a schematic diagram of part of the battery unit; The state where the lid is removed from the battery unit is shown.
  • Figure 2 shows the flow of the heat-carrying medium; 4 shows the structure of the housing body.
  • Fig. 3 shows structures of a plurality of batteries, a plurality of brackets, and a fixing portion of a housing main body;
  • FIG. 4 shows a state in which a plurality of batteries, a plurality of brackets, and a fixing portion of a housing portion main body are separated; The structure near the fixing part of the inner bracket is shown.
  • 4 shows a state in which the inner bracket main body and the fixing part are separated;
  • FIG. 1 is a diagram showing a state in which a battery unit S according to this embodiment is provided in a vehicle A. As shown in FIG.
  • the battery unit S is used as a power battery for driving a motor for driving a hybrid vehicle or an EV (Electric Vehicle) vehicle.
  • the battery unit S is provided in the vehicle A.
  • Vehicle A has multiple side members 1 .
  • the side member 1 extends in the front-rear direction of the vehicle A.
  • the vehicle A is provided with a left side member 1L and a right side member 1R as a plurality of side members 1.
  • the left side member 1L extends in the longitudinal direction of the vehicle A.
  • the left side member 1L is provided on the left side of the vehicle A in the vehicle width direction.
  • the right side member 1R extends in the longitudinal direction of the vehicle A.
  • the right side member 1R is provided on the right side of the vehicle A in the vehicle width direction.
  • the battery unit S is provided between the left side member 1L and the right side member 1R in the vehicle width direction of the vehicle A. As shown in FIG.
  • FIG. 2 is a diagram showing the structure of the battery unit S according to this embodiment.
  • FIG. 3 is a schematic diagram of part of the battery unit S. As shown in FIG. Arrows shown in FIG. 3 indicate directions in which the heat transfer medium flows.
  • FIG. 4 is a diagram showing a state in which the lid portion 32 is removed from the battery unit S.
  • FIG. 5 is a diagram showing the flow of the heat transfer medium. Arrows shown in FIG. 5 indicate directions in which the heat transfer medium flows. A region surrounded by a dotted line shown in FIG. 5 corresponds to the region of the schematic diagram shown in FIG.
  • FIG. 6A and 6B are diagrams showing the structure of the housing portion main body 31.
  • FIG. 7A and 7B are diagrams showing structures of the plurality of batteries 2, the plurality of brackets 4, and the fixing portion 311 of the housing portion main body 31.
  • FIG. 8 is a diagram showing a state in which the plurality of batteries 2, the plurality of brackets 4, and the fixing portion 311 of the housing portion main body 31 are separated.
  • FIG. 9 is a diagram showing the structure of the inner bracket 6 near the fixing portion 65.
  • FIG. 10 is a diagram showing a state in which the inner bracket main body 61 and the fixing portion 65 are separated.
  • the battery unit S has a plurality of batteries 2, a housing portion 3, and a plurality of brackets 4, as shown in FIG.
  • the battery 2 stores electric power.
  • the battery unit S has six batteries 2 arranged in three rows in the longitudinal direction of the vehicle A and two rows in the width direction of the vehicle A. As shown in FIG. The arrangement and number of batteries 2 are arbitrary.
  • the battery 2 has a storage battery and a housing that accommodates it. Since the battery 2 generates heat during charging and discharging, it needs to be cooled.
  • the battery 2 incorporates a channel through which a heat transfer medium for cooling the battery 2 flows.
  • the heat-carrying medium is, for example, cooling water.
  • the battery 2 has a battery inlet 21 and a battery outlet 22 .
  • the battery inlet 21 has an opening through which the heat transfer medium flows.
  • the battery outflow portion 22 has an opening through which the heat transfer medium that has flowed into the battery inflow portion 21 flows out.
  • the housing portion 3 houses a plurality of batteries 2.
  • the housing portion 3 is a case having a housing portion main body 31 and a lid portion 32, as shown in FIGS.
  • the housing portion main body 31 houses a plurality of batteries 2 and a plurality of brackets 4 to be described later.
  • the accommodation section main body 31 has a plurality of fixing sections 311 .
  • a bracket 4 which will be described later, is fixed to the fixed portion 311 .
  • the fixing portion 311 is provided on the bottom surface of the housing portion main body 31 .
  • the fixed portion 311 extends in the vehicle width direction of the vehicle A. As shown in FIG. A plurality of fixing portions 311 are arranged side by side in the vehicle A front-rear direction.
  • the housing body 31 has an opening (not shown).
  • a heat transfer medium channel through which a heat transfer medium flows is inserted into the opening.
  • the heat-carrying medium flow paths include, for example, pipes or hoses.
  • the lid portion 32 covers the plurality of batteries 2 housed in the housing portion main body 31 and the plurality of brackets 4 described later.
  • a plurality of brackets 4 are parts for fixing a plurality of batteries 2 to the housing portion 3 respectively.
  • the battery unit S has six brackets 4, as shown in FIG. The number of brackets 4 is arbitrary.
  • the battery unit S is provided with an outer bracket 5 and an inner bracket 6 as the bracket 4 .
  • the outer bracket 5 is a part for fixing the battery 2 to the housing portion 3.
  • the outer bracket 5 is fixed to the outer side surface of the vehicle A of the battery 2 in the vehicle width direction. Also, the outer bracket 5 is fixed to the fixing portion 311 of the housing portion 3 .
  • the outer bracket 5 has an outer bracket main body 51 and a plurality of fixing portions 52, as shown in FIGS.
  • the outer bracket main body 51 is fixed to the outer side surface of the vehicle A of the battery 2 in the vehicle width direction.
  • the outer bracket main body 51 extends in the longitudinal direction of the vehicle A, as an example.
  • the fixing part 52 is a part for fixing the outer bracket 5 to the fixing part 311 of the housing part 3 .
  • the fixed portions 52 are provided at both ends of the outer bracket main body 51 in the front-rear direction of the vehicle A, respectively.
  • the fixed part 52 has, for example, a hole (not shown) extending in the vertical direction. This hole is the hole into which the bolt is inserted.
  • the outer bracket 5 is fixed to the fixing portion 311 of the housing portion 3 by inserting a bolt into the hole of the fixing portion 52 and tightening the inserted bolt into a hole (not shown) of the fixing portion 311 of the housing portion 3 .
  • the inner bracket 6 is a part for fixing the battery 2 to the housing portion 3.
  • the inner bracket 6 is fixed to the inner side surface of the vehicle A of the battery 2 in the vehicle width direction. Also, the inner bracket 6 is fixed to the fixing portion 311 of the housing portion 3 .
  • the inner bracket 6 has an inner bracket main body 61 and a plurality of fixing parts 65 .
  • the inner bracket body 61 is fixed to the inner side surface of the vehicle A of the battery 2 in the vehicle width direction.
  • the fixing part 65 is a part for fixing the inner bracket 6 to the fixing part 311 of the housing part 3 .
  • the fixed portions 65 are provided at both ends of the inner bracket main body 61 in the front-rear direction of the vehicle A, respectively. Details of the fixing portion 65 will be described later.
  • the inner bracket body 61 has an inflow path 611 and an outflow path 615, as shown in FIG.
  • the inflow path 611 is a flow path through which the heat transfer medium that has flowed in from the outside of the battery unit S flows toward the battery inflow portion 21 (details will be described later with reference to FIG. 10).
  • the outflow path 615 is a flow path through which the heat transfer medium that has flowed out from the battery outflow portion 22 flows toward the outside of the battery unit S. As shown in FIG.
  • the inflow path 611 has a first inflow portion 612 , a first outflow portion 613 and a second outflow portion 614 .
  • the first inlet 612 has an opening through which the heat transfer medium flows from the outside of the battery unit S or another first bracket.
  • the first outflow portion 613 has an opening through which the heat transfer medium that has flowed into the first inflow portion 612 flows out toward the battery inflow portion 21 .
  • the second outflow portion 614 has an opening through which the heat transfer medium that has flowed into the first inflow portion 612 flows out toward the other second bracket.
  • the outflow path 615 has a second inflow portion 616 , a third inflow portion 617 and a third outflow portion 618 .
  • the second inflow part 616 has an opening into which the heat transfer medium flowing out from the battery outflow part 22 flows.
  • the third inflow part 617 has an opening through which the heat transfer medium flows from the other second bracket.
  • the third outflow portion 618 has an opening through which the heat transfer medium that has flowed in from the second inflow portion 616 or the third inflow portion 617 flows out toward the outside of the battery unit S or another first bracket.
  • the inflow path 611 and the outflow path 615 are formed in the bracket 4 for fixing the battery 2 as described above. Having a second outlet 614 , the outlet channel 615 has a second inlet 616 , a third inlet 617 and a third outlet 618 . Therefore, in the battery unit S, the inflow path 611 and the outflow path 615 of the bracket 4 can be used as flow paths for the heat transfer medium. As a result, in the battery unit S, the space in which the heat transfer medium flow path is provided in the housing portion 3 can be reduced. Therefore, in the battery unit S, the amount of the battery 2 of the vehicle A can be increased while providing the heat transfer medium flow path.
  • inner bracket body 61 has longitudinal region 621 and lateral region 641 .
  • Vertical region 621 extends in the height direction of battery 2 .
  • the vertical region 621 is fixed to the inner side surface of the vehicle A of the battery 2 in the vehicle width direction.
  • the vertical region 621 faces another adjacent battery 2 side. Since the vertical region 621 in which the flow path for the heat transfer medium is formed is positioned between the adjacent batteries 2 in this manner, heat is less likely to be transferred between the adjacent batteries 2 . Details of the vertical region 621 will be described later.
  • the horizontal region 641 is connected to the upper end of the vertical region 621.
  • the lateral region 641 is a plate-shaped region extending in the horizontal direction perpendicular to the height direction of the battery 2 .
  • the lateral region 641 is in contact with the top surface of the battery 2 .
  • the end of the lateral region 641 opposite to the side connected to the longitudinal region 621 is fixed to the upper surface of the outer bracket 5 .
  • the vertical region 621 has an upper plate portion 631, a lower plate portion 632, an inner side plate portion 633, an outer side plate portion 635, a first plate portion 637, and a second plate portion 638.
  • the upper surface plate portion 631 is an area that forms an upper side surface of the vertical area 621 in the height direction of the battery 2 .
  • the upper plate portion 631 extends in a horizontal direction perpendicular to the height direction of the battery 2 .
  • the lower surface plate portion 632 is a region that forms a surface on the lower side of the vertical region 621 in the height direction of the battery 2 .
  • the lower plate portion 632 is parallel to the upper plate portion 631 .
  • the inner side plate portion 633 is a region that forms the inner side of the vertical region 621 in the vehicle width direction of the vehicle A.
  • the inner side plate portion 633 is orthogonal to the upper surface plate portion 631 and the lower surface plate portion 632 .
  • the upper end of the inner side surface plate portion 633 is connected to the inner end portion of the upper surface plate portion 631 in the vehicle width direction of the vehicle A.
  • a lower end of the inner surface plate portion 633 is connected to an inner end portion of the lower surface plate portion 632 in the vehicle width direction of the vehicle A.
  • the inner side plate portion 633 has a plurality of holes 634 .
  • a plurality of holes 634 are formed between a first plate portion 637 and a second plate portion 638 to be described later in the height direction of the battery 2 of the inner side plate portion 633 .
  • a hole 634 is a hole into which a bolt, which will be described later, is inserted.
  • the outer side plate portion 635 is a region that forms the outer side of the vertical region 621 in the vehicle width direction of the vehicle A.
  • the outer surface plate portion 635 is orthogonal to the upper surface plate portion 631 and the lower surface plate portion 632 .
  • the upper end of the outer side plate portion 635 is connected to the outer end portion of the upper surface plate portion 631 in the vehicle width direction of the vehicle A.
  • a lower end of the outer surface plate portion 635 is connected to an outer end portion of the lower surface plate portion 632 in the vehicle width direction of the vehicle A.
  • a second inflow portion 616, a third inflow portion 617, and a third outflow portion 618 are provided between the upper surface plate portion 631 of the outer side plate portion 635 in the height direction of the battery 2 and a second plate portion 638 described later. It is A first inflow portion 612, a first outflow portion 613, and a second outflow portion 614 (Fig. 3) is provided.
  • the outer side plate portion 635 has a plurality of holes 636 .
  • a plurality of holes 636 are formed between a first plate portion 637 and a second plate portion 638 described later in the height direction of the battery 2 of the outer side plate portion 635 .
  • a hole 636 is a hole through which a bolt (specifically, the head of the bolt), which will be described later, passes.
  • the first plate portion 637 is provided between the upper plate portion 631 and the lower plate portion 632 .
  • the first plate portion 637 is parallel to the upper plate portion 631 and the lower plate portion 632 .
  • the inner end of the first plate portion 637 in the vehicle width direction of the vehicle A is connected to the outer surface of the inner side plate portion 633 .
  • An outer end portion of the first plate portion 637 in the vehicle width direction of the vehicle A is connected to an inner surface of the outer side plate portion 635 .
  • the second plate portion 638 is provided between the upper plate portion 631 and the first plate portion 637 .
  • the second plate portion 638 is parallel to the upper plate portion 631 and the lower plate portion 632 .
  • the inner end portion of the second plate portion 638 in the vehicle width direction of the vehicle A is connected to the outer surface of the inner side plate portion 633 .
  • the outer end of the second plate portion 638 in the vehicle width direction of the vehicle A is connected to the inner surface of the outer side plate portion 635 .
  • Fixing portions 65 are provided at both end portions of the upper surface plate portion 631, the lower surface plate portion 632, the inner surface plate portion 633, the outer surface plate portion 635, the first plate portion 637, and the second plate portion 638 in the longitudinal direction of the vehicle A. is provided.
  • the fixed portion 65 forms an inflow passage 611 and an outflow passage 615 of the inner bracket main body 61 .
  • the fixed part 65 has a hole 651 .
  • a hole 651 is a hole into which a bolt is inserted.
  • the fixing part 65 inserts a bolt into the hole 651 of the fixing part 65 and the hole (not shown) of the fixing part 311 of the housing part 3, and tightens the inserted bolt into the hole of the fixing part 311 of the housing part 3. It is fixed to the fixing portion 311 of the housing portion 3 .
  • the vertical area 621 has a first area 622 , a second area 623 and a third area 624 .
  • the first region 622 has a first flow path.
  • the first channel is either one of the inflow channel 611 and the outflow channel 615 .
  • the first region 622 has an outflow channel 615 .
  • the first region 622 is the region between the top plate portion 631 , the second plate portion 638 , and the inner side plate portion 633 in the height direction of the battery 2 and the outer side plate portion 635 .
  • the second area 623 is provided below the first area 622 in the height direction of the battery 2 .
  • the second region 623 has a second flow path.
  • the second channel is a channel different from the first channel provided in the first region 622 of the inflow channel 611 or the outflow channel 615 .
  • the second region 623 has an inflow channel 611 .
  • the second region 623 includes the first plate portion 637, the lower plate portion 632, the region between the first plate portion 637 and the lower plate portion 632 in the height direction of the battery 2 of the inner side plate portion 633, and the outer side plate portion 635. 2 is an area between the first plate portion 637 and the bottom plate portion 632 in the height direction of the battery 2 and an area having the inflow path 611 formed by the plurality of fixing portions 65 .
  • the bracket 4 has the first area 622 and the second area 623 as described above. Therefore, the length between the inflow path 611 and the outflow path 615 in the bracket 4 can be increased in the height direction of the battery 2 . As a result, in the bracket 4, heat exchange between the heat transfer medium in the inflow path 611 and the heat transfer medium in the outflow path 615 can be prevented.
  • the third area 624 is provided between the first area 622 and the second area 623 .
  • a third area 624 is the area into which the bolt is inserted.
  • a bolt is a part for fixing the bracket 4 to the vehicle A. As shown in FIG. In this embodiment, the bolt is a part for fixing the bracket 4 for fixing the battery 2 to the housing portion 3 to the bracket 4 for fixing the battery 2 adjacent to the battery 2 to the housing portion 3. .
  • the third region 624 is a region between the first plate portion 637, the second plate portion 638, and the inner side plate portion 633 in the height direction of the battery 2 and the outer side plate portion. A region 635 between the first plate portion 637 and the second plate portion 638 in the height direction of the battery 2 and a region having a space formed by the plurality of fixing portions 65 .
  • the bolt passed through the hole 636 of the outer side plate portion 635 is inserted into the hole 634 of the inner side plate portion 633 .
  • the bolt is passed through the hole 636 of the outer side plate portion 635 and inserted into the hole 634 of the inner side plate portion 633 and the hole 634 of the inner side plate portion 633 of the adjacent inner bracket 6, and the inserted bolt is fitted with a nut. is fixed to the adjacent inner bracket 6 by tightening the . In this manner, adjacent inner brackets 6 are connected to each other in the configuration of this embodiment.
  • the bracket 4 thus has the third region 624. Therefore, the bracket 4 can be provided with an area into which a bolt for fixing the bracket 4 to the vehicle A is inserted while providing the inflow path 611 and the outflow path 615 in the bracket 4 . As a result, in the battery unit S, it is possible to prevent the bracket 4 from becoming large.
  • the length between the first inlet portion 612 and the other first bracket is smaller than the length between the first outlet portion 613 and the other first bracket, and the third outlet portion 618 and the other first bracket are shorter than the length between the first outlet portion 613 and the other first bracket. is smaller than the length between the second inflow portion 616 and the other first bracket.
  • the bracket 4 is provided with the first inflow portion 612, the first outflow portion 613, the third outflow portion 618, and the second inflow portion 616 as described above.
  • the heat transfer medium flow path connecting the first inflow portion 612 and the second outflow portion 614 of the other first bracket, and the first outflow portion 613 and the battery inflow portion 21 are connected. Intersection with the heat transfer medium flow path can be prevented.
  • the heat transfer medium flow path connecting the third outflow portion 618 and the third inflow portion 617 of the other first bracket, and the second inflow portion 616 and the battery outflow portion 22 are connected. It is possible to prevent the heat transfer medium flow path to intersect. As a result, in the battery unit S, it is possible to prevent the length of the heat transfer medium channel from increasing.
  • the battery inflow part 21 and the battery outflow part 22 are provided at positions facing the space between the battery 2 and the other battery 2 provided on the other first bracket.
  • the first inflow portion 612, the first outflow portion 613, the second outflow portion 614, the second inflow portion 616, the third inflow portion 617, and the third outflow portion 618 form the battery inflow portion 21 and the battery outflow portion 21 in the space. It is exposed toward the portion 22 .
  • the battery unit S has the length of the heat transfer medium flow path connecting the first inlet portion 612 and the second outlet portion 614 of the other first bracket, the length of the first outlet portion 613 and the The length of the heat transfer medium flow path connecting the battery inlet 21, the length of the heat transfer medium flow path connecting the second inlet 616 and the battery outlet 22, and the third outlet 618 and other third It is possible to prevent the length of the heat transfer medium flow path connecting the third inflow part 617 of one bracket from increasing.
  • first region 622 has the outflow channel 615 and the second region 623 has the inflow channel 611 in the above embodiment, the present invention is not limited to this.
  • a first region 622 may have an inflow channel 611 and a second region 623 may have an outflow channel 615 .
  • the battery unit S according to this embodiment includes a plurality of batteries 2, a housing portion 3 housing the plurality of batteries 2, and a plurality of brackets 4 for fixing the plurality of batteries 2 to the housing portion 3. It is a battery unit S. 7 and 8, the battery 2 has a battery inlet 21 into which the heat transfer medium flows and a battery outlet 22 through which the heat transfer medium that has flowed into the battery inlet 21 flows out. .
  • the bracket 4 has an inflow passage 611 through which the heat transfer medium that has flowed in from the outside of the battery unit S flows toward the battery inflow portion 21, and a heat transfer medium that has flowed out from the battery outflow portion 22 toward the outside of the battery unit S. and a flowing outflow channel 615 .
  • the inflow path 611 has a first inflow portion 612 into which the heat transfer medium flows from the outside of the battery unit S or another first bracket, and the heat transfer medium flowing in the first inflow portion 612 flows toward the battery inflow portion 21 . and a second outflow portion 614 through which the heat transfer medium that has flowed into the first inflow portion 612 flows out toward the other second bracket.
  • the outflow path 615 includes a second inflow portion 616 into which the heat transfer medium flowing out from the battery outflow portion 22 flows, a third inflow portion 617 into which the heat transfer medium flows from the other second bracket, and a second inflow portion. 616 or a third outflow part 618 through which the heat transfer medium that has flowed in from the third inflow part 617 flows out to the outside of the battery unit S or to another first bracket.
  • the bracket 4 thus has the inflow path 611 and the outflow path 615, and the inflow path 611 includes the first inflow part 612, the first outflow part 613, and the second outflow part 612. Having a portion 614 , the outlet channel 615 has a second inlet portion 616 , a third inlet portion 617 and a third outlet portion 618 . Therefore, the inflow path 611 and the outflow path 615 of the bracket 4 can be used as flow paths for the heat transfer medium. As a result, in the battery unit S, the space in which the heat transfer medium flow path is provided in the housing portion 3 can be reduced. Therefore, in the battery unit S, the amount of the battery 2 of the vehicle A can be increased while providing the heat transfer medium flow path.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

A battery unit according to the present invention comprises a plurality of batteries, an accommodation unit, and a plurality of brackets. Each of the batteries has an inflow part and an outflow part. Each of the brackets has an inflow path through which a heat transfer medium that has flowed from the outside flows toward the inflow part and an outflow path through which the heat transfer medium that has flowed out from the outflow part flows toward the outside. The inflow path has a first inflow part into which the heat transfer medium flows from the outside or from a first other bracket, a first outflow part from which the heat transfer medium that has flowed into the first inflow part flows out toward the inflow part, and a second outflow part from which the heat transfer medium that has flowed into the first inflow part flows out toward a second other bracket. The outflow path has a second inflow part into which the heat transfer medium that has flowed out from the outflow part flows, a third inflow part into which the heat transfer medium flows from the second other bracket, and a third outflow part from which the heat transfer medium that has flowed into from the second inflow part or the third inflow part flows out toward the outside or toward the first other bracket.

Description

バッテリーユニットbattery unit
　本発明は、バッテリーユニットに関する。 The present invention relates to battery units.
　従来、車両にはバッテリーが設けられている。特許文献１には、複数のバッテリーがケース本体に収容されており、バッテリー押さえによって上側から押さえ付けることでケース本体に取り付けられている構造が開示されている。 Conventionally, vehicles are equipped with batteries. Patent Literature 1 discloses a structure in which a plurality of batteries are housed in a case body, and are attached to the case body by pressing them down from above with battery holders.
特開２０２０－１９１１６３号公報JP 2020-191163 A
　車両には、複数のバッテリーと、複数のバッテリーの外部に設けられた、複数のバッテリーを冷却する熱搬送媒体が流れる熱搬送媒体流路と、を有するバッテリーユニットが設けられている場合がある。この場合、収容部内に熱搬送媒体流路を設ける空間を確保する必要があるため、車両に搭載可能なバッテリーの量が減少する。搭載可能な量が減少すると車両の航続距離が短くなってしまうため改善が望まれていた。 A vehicle may be provided with a battery unit having a plurality of batteries and a heat transfer medium flow path provided outside the plurality of batteries and through which a heat transfer medium for cooling the plurality of batteries flows. In this case, since it is necessary to secure a space for providing the heat transfer medium flow path in the housing portion, the amount of batteries that can be mounted on the vehicle is reduced. Since the cruising range of the vehicle will be shortened if the amount that can be carried is reduced, improvement was desired.
　そこで、本発明はこれらの点に鑑みてなされたものであり、熱搬送媒体流路を設けつつ、車両のバッテリーの量を増加させることを目的とする。 Therefore, the present invention has been made in view of these points, and an object of the present invention is to provide a heat transfer medium flow path while increasing the battery capacity of the vehicle.
　本発明の第１の態様においては、複数のバッテリーと、前記複数のバッテリーを収容する収容部と、前記複数のバッテリーをそれぞれ前記収容部に固定するための複数のブラケットと、を有するバッテリーユニットであって、前記バッテリーは、熱搬送媒体が流入するバッテリー流入部と、前記バッテリー流入部に流入した前記熱搬送媒体が流出するバッテリー流出部と、を有し、前記ブラケットは、前記バッテリーユニットの外部から流入した前記熱搬送媒体が前記バッテリー流入部に向けて流れる流入路と、前記バッテリー流出部から流出した前記熱搬送媒体が前記バッテリーユニットの外部に向けて流れる流出路と、を有し、前記流入路は、前記バッテリーユニットの外部又は他の第１ブラケットから前記熱搬送媒体が流入する第１流入部と、前記第１流入部に流入した前記熱搬送媒体が前記バッテリー流入部に向かって流出する第１流出部と、前記第１流入部に流入した前記熱搬送媒体が他の第２ブラケットに向かって流出する第２流出部と、を有し、前記流出路は、前記バッテリー流出部から流出した前記熱搬送媒体が流入する第２流入部と、前記他の第２ブラケットから前記熱搬送媒体が流入する第３流入部と、前記第２流入部又は前記第３流入部から流入した前記熱搬送媒体が前記バッテリーユニットの外部又は前記他の第１ブラケットに向かって流出する第３流出部と、を有するバッテリーユニットを提供する。 In a first aspect of the present invention, a battery unit having a plurality of batteries, a housing portion housing the plurality of batteries, and a plurality of brackets for fixing the plurality of batteries to the housing portion, respectively. The battery has a battery inflow portion into which a heat transfer medium flows and a battery outflow portion into which the heat transfer medium that has flowed into the battery inflow portion flows out, and the bracket is external to the battery unit. an inflow path through which the heat transfer medium that has flowed in from the The inflow path includes a first inflow portion into which the heat transfer medium flows from the outside of the battery unit or from another first bracket, and the heat transfer medium that has flowed into the first inflow portion flows out toward the battery inflow portion. and a second outflow portion through which the heat transfer medium that has flowed into the first inflow portion flows out toward another second bracket, wherein the outflow path extends from the battery outflow portion. a second inflow portion into which the heat transfer medium that has flowed out flows; a third inflow portion into which the heat transfer medium flows in from the other second bracket; a third outlet through which a heat transfer medium flows out of the battery unit or toward the other first bracket.
　また、前記ブラケットは、前記流入路又は前記流出路のうちのいずれか一方の第１流路を有する第１領域と、前記バッテリーの高さ方向における前記第１領域の下方に設けられており、前記流入路又は前記流出路のうちの前記第１領域に設けられている前記第１流路とは異なる第２流路を有する第２領域と、を有していてもよい。 In addition, the bracket is provided below a first region having a first flow path of either the inflow path or the outflow path and the first area in the height direction of the battery, and a second region having a second channel different from the first channel provided in the first region of the inflow channel or the outflow channel.
　また、前記ブラケットは、前記第１領域と前記第２領域との間に、前記ブラケットを車両に固定するためのボルトが挿入される第３領域をさらに有していてもよい。また、前記ボルトは、前記バッテリーを前記収容部に固定するための前記ブラケットを、前記バッテリーと隣接する他の前記バッテリーを前記収容部に固定するための他の前記ブラケットに固定してもよい。また、前記ブラケットは、前記バッテリーの高さ方向において延在しており、他の前記バッテリー側に面している縦領域を有し、前記縦領域に、前記第１領域、前記第２領域、及び前記第３領域が形成されていてもよい。 Further, the bracket may further have a third region into which a bolt for fixing the bracket to the vehicle is inserted between the first region and the second region. Further, the bolt may fix the bracket for fixing the battery to the housing portion to another bracket for fixing another battery adjacent to the battery to the housing portion. Further, the bracket extends in the height direction of the battery and has another vertical region facing the battery, the vertical region including the first region, the second region, and the third region may be formed.
　また、前記第１流入部と前記他の第１ブラケットとの間の長さは、前記第１流出部と前記他の第１ブラケットとの間の長さよりも小さく、前記第３流出部と前記他の第１ブラケットとの間の長さは、前記第２流入部と前記他の第１ブラケットとの間の長さよりも小さくてもよい。また、前記バッテリー流入部及び前記バッテリー流出部は、前記バッテリーと前記他の第１ブラケットに設けられた他のバッテリーとの間の空間に面する位置に設けられており、前記第１流入部、前記第１流出部、前記第２流出部、前記第２流入部、前記第３流入部、及び前記第３流出部は、前記空間において前記バッテリー流入部及び前記バッテリー流出部に向かって露出していてもよい。 Further, the length between the first inflow portion and the other first bracket is smaller than the length between the first outflow portion and the other first bracket, and the third outflow portion and the A length between the other first brackets may be smaller than a length between the second inflow portion and the other first brackets. Further, the battery inlet and the battery outlet are provided at positions facing a space between the battery and another battery provided in the other first bracket, and the first inlet, The first outflow part, the second outflow part, the second inflow part, the third inflow part, and the third outflow part are exposed in the space toward the battery inflow part and the battery outflow part. may
　本発明によれば、熱搬送媒体流路を設けつつ、車両のバッテリーの量を増加させることができるという効果を奏する。 According to the present invention, it is possible to increase the battery capacity of the vehicle while providing the heat transfer medium flow path.
本実施形態に係るバッテリーユニットが車両に設けられている状態を示す。4 shows a state in which the battery unit according to the present embodiment is installed in a vehicle; 本実施形態に係るバッテリーユニットの構造を示す。4 shows the structure of the battery unit according to the embodiment; バッテリーユニットにおける一部の模式図である。FIG. 4 is a schematic diagram of part of the battery unit; バッテリーユニットから蓋部が取り外された状態を示す。The state where the lid is removed from the battery unit is shown. 熱搬送媒体の流れを示す。Figure 2 shows the flow of the heat-carrying medium; 収容部本体の構造を示す。4 shows the structure of the housing body. 複数のバッテリー、複数のブラケット、及び収容部本体の固定部の構造を示す。Fig. 3 shows structures of a plurality of batteries, a plurality of brackets, and a fixing portion of a housing main body; 複数のバッテリー、複数のブラケット、及び収容部本体の固定部が分離された状態を示す。FIG. 4 shows a state in which a plurality of batteries, a plurality of brackets, and a fixing portion of a housing portion main body are separated; 内側ブラケットの固定部付近の構造を示す。The structure near the fixing part of the inner bracket is shown. 内側ブラケット本体、及び固定部が分離された状態を示す。4 shows a state in which the inner bracket main body and the fixing part are separated;
［バッテリーユニットＳが車両Ａに設けられている状態］
　図１は、本実施形態に係るバッテリーユニットＳが車両Ａに設けられている状態を示す図である。 [State in which battery unit S is provided in vehicle A]
FIG. 1 is a diagram showing a state in which a battery unit S according to this embodiment is provided in a vehicle A. As shown in FIG.
　バッテリーユニットＳは、ハイブリッド車又はＥＶ（Ｅｌｅｃｔｒｉｃ　Ｖｅｈｉｃｌｅ）車の走行用モーター駆動用の電源バッテリーとして用いられる。バッテリーユニットＳは、車両Ａに設けられている。 The battery unit S is used as a power battery for driving a motor for driving a hybrid vehicle or an EV (Electric Vehicle) vehicle. The battery unit S is provided in the vehicle A.
　車両Ａは、複数のサイドメンバ１を有する。サイドメンバ１は、車両Ａの前後方向において延在している。車両Ａには、複数のサイドメンバ１として、左サイドメンバ１Ｌ、及び右サイドメンバ１Ｒが設けられている。左サイドメンバ１Ｌは、車両Ａの前後方向において延在している。左サイドメンバ１Ｌは、車両Ａの車幅方向における左側に設けられている。右サイドメンバ１Ｒは、車両Ａの前後方向において延在している。右サイドメンバ１Ｒは、車両Ａの車幅方向における右側に設けられている。バッテリーユニットＳは、車両Ａの車幅方向において左サイドメンバ１Ｌと右サイドメンバ１Ｒとの間に設けられている。 Vehicle A has multiple side members 1 . The side member 1 extends in the front-rear direction of the vehicle A. As shown in FIG. The vehicle A is provided with a left side member 1L and a right side member 1R as a plurality of side members 1. As shown in FIG. The left side member 1L extends in the longitudinal direction of the vehicle A. As shown in FIG. The left side member 1L is provided on the left side of the vehicle A in the vehicle width direction. The right side member 1R extends in the longitudinal direction of the vehicle A. As shown in FIG. The right side member 1R is provided on the right side of the vehicle A in the vehicle width direction. The battery unit S is provided between the left side member 1L and the right side member 1R in the vehicle width direction of the vehicle A. As shown in FIG.
［バッテリーユニットＳの構成］
　図２は、本実施形態に係るバッテリーユニットＳの構造を示す図である。図３は、バッテリーユニットＳにおける一部の模式図である。図３中に示す矢印は、熱搬送媒体が流れる向きを示す。図４は、バッテリーユニットＳから蓋部３２が取り外された状態を示す図である。図５は、熱搬送媒体の流れを示す図である。図５中に示す矢印は、熱搬送媒体が流れる向きを示す。なお、図５中に示す点線で囲まれた領域は、図３で示す模式図の領域に相当する。 [Configuration of battery unit S]
FIG. 2 is a diagram showing the structure of the battery unit S according to this embodiment. FIG. 3 is a schematic diagram of part of the battery unit S. As shown in FIG. Arrows shown in FIG. 3 indicate directions in which the heat transfer medium flows. FIG. 4 is a diagram showing a state in which the lid portion 32 is removed from the battery unit S. As shown in FIG. FIG. 5 is a diagram showing the flow of the heat transfer medium. Arrows shown in FIG. 5 indicate directions in which the heat transfer medium flows. A region surrounded by a dotted line shown in FIG. 5 corresponds to the region of the schematic diagram shown in FIG.
　図６は、収容部本体３１の構造を示す図である。図７は、複数のバッテリー２、複数のブラケット４、及び収容部本体３１の固定部３１１の構造を示す図である。図８は、複数のバッテリー２、複数のブラケット４、及び収容部本体３１の固定部３１１が分離された状態を示す図である。図９は、内側ブラケット６の固定部６５付近の構造を示す図である。図１０は、内側ブラケット本体６１、及び固定部６５が分離された状態を示す図である。 6A and 6B are diagrams showing the structure of the housing portion main body 31. FIG. 7A and 7B are diagrams showing structures of the plurality of batteries 2, the plurality of brackets 4, and the fixing portion 311 of the housing portion main body 31. FIG. FIG. 8 is a diagram showing a state in which the plurality of batteries 2, the plurality of brackets 4, and the fixing portion 311 of the housing portion main body 31 are separated. FIG. 9 is a diagram showing the structure of the inner bracket 6 near the fixing portion 65. As shown in FIG. FIG. 10 is a diagram showing a state in which the inner bracket main body 61 and the fixing portion 65 are separated.
　バッテリーユニットＳは、図４に示すように、複数のバッテリー２、収容部３、及び複数のブラケット４を有する。バッテリー２は、電力を蓄電する。バッテリーユニットＳは、車両Ａの前後方向において３列、及び車両Ａの車幅方向において２列からなる６つのバッテリー２を有する。バッテリー２の配置及び数は任意である。 The battery unit S has a plurality of batteries 2, a housing portion 3, and a plurality of brackets 4, as shown in FIG. The battery 2 stores electric power. The battery unit S has six batteries 2 arranged in three rows in the longitudinal direction of the vehicle A and two rows in the width direction of the vehicle A. As shown in FIG. The arrangement and number of batteries 2 are arbitrary.
　バッテリー２は、蓄電池と、それを収容するハウジングとを有する。バッテリー２は、充放電時に発熱するため、冷却する必要がある。バッテリー２は、バッテリー２を冷却するための熱搬送媒体を流す流路を内蔵している。熱搬送媒体は、例えば冷却水である。バッテリー２は、バッテリー流入部２１、及びバッテリー流出部２２を有する。バッテリー流入部２１は、熱搬送媒体が流入する開口部を有する。バッテリー流出部２２は、バッテリー流入部２１に流入した熱搬送媒体が流出する開口部を有する。 The battery 2 has a storage battery and a housing that accommodates it. Since the battery 2 generates heat during charging and discharging, it needs to be cooled. The battery 2 incorporates a channel through which a heat transfer medium for cooling the battery 2 flows. The heat-carrying medium is, for example, cooling water. The battery 2 has a battery inlet 21 and a battery outlet 22 . The battery inlet 21 has an opening through which the heat transfer medium flows. The battery outflow portion 22 has an opening through which the heat transfer medium that has flowed into the battery inflow portion 21 flows out.
　収容部３は、複数のバッテリー２を収容する。収容部３は、図２及び図３に示すように、収容部本体３１及び蓋部３２を有するケースである。収容部本体３１は、複数のバッテリー２、及び後述する複数のブラケット４を収容する。図６に示すように、収容部本体３１は、複数の固定部３１１を有する。固定部３１１には、後述するブラケット４が固定される。固定部３１１は、収容部本体３１の底面に設けられている。固定部３１１は、車両Ａの車幅方向において延在している。複数の固定部３１１が車両Ａの前後方向において並べて配置されている。 The housing portion 3 houses a plurality of batteries 2. The housing portion 3 is a case having a housing portion main body 31 and a lid portion 32, as shown in FIGS. The housing portion main body 31 houses a plurality of batteries 2 and a plurality of brackets 4 to be described later. As shown in FIG. 6 , the accommodation section main body 31 has a plurality of fixing sections 311 . A bracket 4 , which will be described later, is fixed to the fixed portion 311 . The fixing portion 311 is provided on the bottom surface of the housing portion main body 31 . The fixed portion 311 extends in the vehicle width direction of the vehicle A. As shown in FIG. A plurality of fixing portions 311 are arranged side by side in the vehicle A front-rear direction.
　収容部本体３１は、開口（不図示）を有する。開口には、熱搬送媒体が流れる熱搬送媒体流路が挿入される。熱搬送媒体流路は、例えば配管又はホースを含む。 The housing body 31 has an opening (not shown). A heat transfer medium channel through which a heat transfer medium flows is inserted into the opening. The heat-carrying medium flow paths include, for example, pipes or hoses.
　蓋部３２は、収容部本体３１に収容された、複数のバッテリー２、及び後述する複数のブラケット４を覆う。 The lid portion 32 covers the plurality of batteries 2 housed in the housing portion main body 31 and the plurality of brackets 4 described later.
　複数のブラケット４は、複数のバッテリー２をそれぞれ収容部３に固定するための部品である。バッテリーユニットＳは、図４に示すように、６つのブラケット４を有する。ブラケット４の数は任意である。バッテリーユニットＳには、ブラケット４として、外側ブラケット５、及び内側ブラケット６が設けられている。 A plurality of brackets 4 are parts for fixing a plurality of batteries 2 to the housing portion 3 respectively. The battery unit S has six brackets 4, as shown in FIG. The number of brackets 4 is arbitrary. The battery unit S is provided with an outer bracket 5 and an inner bracket 6 as the bracket 4 .
　外側ブラケット５は、バッテリー２を収容部３に固定するための部品である。外側ブラケット５は、バッテリー２の車両Ａの車幅方向における外側の側面に固定されている。また、外側ブラケット５は、収容部３の固定部３１１に固定されている。 The outer bracket 5 is a part for fixing the battery 2 to the housing portion 3. The outer bracket 5 is fixed to the outer side surface of the vehicle A of the battery 2 in the vehicle width direction. Also, the outer bracket 5 is fixed to the fixing portion 311 of the housing portion 3 .
　外側ブラケット５は、図７及び図８に示すように、外側ブラケット本体５１、及び複数の固定部５２を有する。外側ブラケット本体５１は、バッテリー２の車両Ａの車幅方向における外側の側面に固定されている。外側ブラケット本体５１は、一例として、車両Ａの前後方向に延在している。 The outer bracket 5 has an outer bracket main body 51 and a plurality of fixing portions 52, as shown in FIGS. The outer bracket main body 51 is fixed to the outer side surface of the vehicle A of the battery 2 in the vehicle width direction. The outer bracket main body 51 extends in the longitudinal direction of the vehicle A, as an example.
　固定部５２は、外側ブラケット５を収容部３の固定部３１１に固定するための部位である。固定部５２は、外側ブラケット本体５１の車両Ａの前後方向における両端にそれぞれ設けられている。 The fixing part 52 is a part for fixing the outer bracket 5 to the fixing part 311 of the housing part 3 . The fixed portions 52 are provided at both ends of the outer bracket main body 51 in the front-rear direction of the vehicle A, respectively.
　固定部５２は、例えば上下方向に延びる穴（不図示）を有する。この穴は、ボルトが挿入される穴である。外側ブラケット５は、固定部５２の穴にボルトを挿入し、挿入したボルトを収容部３の固定部３１１の穴（不図示）に締め付けることで収容部３の固定部３１１に固定されている。 The fixed part 52 has, for example, a hole (not shown) extending in the vertical direction. This hole is the hole into which the bolt is inserted. The outer bracket 5 is fixed to the fixing portion 311 of the housing portion 3 by inserting a bolt into the hole of the fixing portion 52 and tightening the inserted bolt into a hole (not shown) of the fixing portion 311 of the housing portion 3 .
　内側ブラケット６は、バッテリー２を収容部３に固定するための部品である。内側ブラケット６は、バッテリー２の車両Ａの車幅方向における内側の側面に固定されている。また、内側ブラケット６は、収容部３の固定部３１１に固定されている。 The inner bracket 6 is a part for fixing the battery 2 to the housing portion 3. The inner bracket 6 is fixed to the inner side surface of the vehicle A of the battery 2 in the vehicle width direction. Also, the inner bracket 6 is fixed to the fixing portion 311 of the housing portion 3 .
　内側ブラケット６は、内側ブラケット本体６１、及び複数の固定部６５を有する。内側ブラケット本体６１は、バッテリー２の車両Ａの車幅方向における内側の側面に固定されている。 The inner bracket 6 has an inner bracket main body 61 and a plurality of fixing parts 65 . The inner bracket body 61 is fixed to the inner side surface of the vehicle A of the battery 2 in the vehicle width direction.
　固定部６５は、内側ブラケット６を収容部３の固定部３１１に固定するための部位である。固定部６５は、内側ブラケット本体６１の車両Ａの前後方向における両端にそれぞれ設けられている。固定部６５の詳細は後述する。 The fixing part 65 is a part for fixing the inner bracket 6 to the fixing part 311 of the housing part 3 . The fixed portions 65 are provided at both ends of the inner bracket main body 61 in the front-rear direction of the vehicle A, respectively. Details of the fixing portion 65 will be described later.
　内側ブラケット本体６１は、図３に示すように、流入路６１１、及び流出路６１５を有する。流入路６１１は、バッテリーユニットＳの外部から流入した熱搬送媒体がバッテリー流入部２１に向けて流れる流路である（詳細は図１０を参照して後述する）。流出路６１５は、バッテリー流出部２２から流出した熱搬送媒体がバッテリーユニットＳの外部に向けて流れる流路である。 The inner bracket body 61 has an inflow path 611 and an outflow path 615, as shown in FIG. The inflow path 611 is a flow path through which the heat transfer medium that has flowed in from the outside of the battery unit S flows toward the battery inflow portion 21 (details will be described later with reference to FIG. 10). The outflow path 615 is a flow path through which the heat transfer medium that has flowed out from the battery outflow portion 22 flows toward the outside of the battery unit S. As shown in FIG.
　流入路６１１は、第１流入部６１２、第１流出部６１３、及び第２流出部６１４を有する。第１流入部６１２は、バッテリーユニットＳの外部又は他の第１ブラケットから熱搬送媒体が流入する開口部を有する。第１流出部６１３は、第１流入部６１２に流入した熱搬送媒体がバッテリー流入部２１に向かって流出する開口部を有する。第２流出部６１４は、第１流入部６１２に流入した熱搬送媒体が他の第２ブラケットに向かって流出する開口部を有する。 The inflow path 611 has a first inflow portion 612 , a first outflow portion 613 and a second outflow portion 614 . The first inlet 612 has an opening through which the heat transfer medium flows from the outside of the battery unit S or another first bracket. The first outflow portion 613 has an opening through which the heat transfer medium that has flowed into the first inflow portion 612 flows out toward the battery inflow portion 21 . The second outflow portion 614 has an opening through which the heat transfer medium that has flowed into the first inflow portion 612 flows out toward the other second bracket.
　流出路６１５は、第２流入部６１６、第３流入部６１７、及び第３流出部６１８を有する。第２流入部６１６は、バッテリー流出部２２から流出した熱搬送媒体が流入する開口部を有する。第３流入部６１７は、他の第２ブラケットから熱搬送媒体が流入する開口部を有する。第３流出部６１８は、第２流入部６１６又は第３流入部６１７から流入した熱搬送媒体がバッテリーユニットＳの外部又は他の第１ブラケットに向かって流出する開口部を有する。 The outflow path 615 has a second inflow portion 616 , a third inflow portion 617 and a third outflow portion 618 . The second inflow part 616 has an opening into which the heat transfer medium flowing out from the battery outflow part 22 flows. The third inflow part 617 has an opening through which the heat transfer medium flows from the other second bracket. The third outflow portion 618 has an opening through which the heat transfer medium that has flowed in from the second inflow portion 616 or the third inflow portion 617 flows out toward the outside of the battery unit S or another first bracket.
　バッテリーユニットＳにおいては、前述したようにバッテリー２を固定するためのブラケット４に、流入路６１１及び流出路６１５が形成され、流入路６１１は、第１流入部６１２、第１流出部６１３、及び第２流出部６１４を有し、流出路６１５は、第２流入部６１６、第３流入部６１７、及び第３流出部６１８を有する。したがって、バッテリーユニットＳにおいては、ブラケット４の流入路６１１及び流出路６１５を熱搬送媒体が流れる流路として利用することができる。その結果、バッテリーユニットＳにおいては、収容部３内に熱搬送媒体流路を設ける空間を小さくすることができる。よって、バッテリーユニットＳにおいては、熱搬送媒体流路を設けつつ、車両Ａのバッテリー２の量を増加させることができる。 In the battery unit S, the inflow path 611 and the outflow path 615 are formed in the bracket 4 for fixing the battery 2 as described above. Having a second outlet 614 , the outlet channel 615 has a second inlet 616 , a third inlet 617 and a third outlet 618 . Therefore, in the battery unit S, the inflow path 611 and the outflow path 615 of the bracket 4 can be used as flow paths for the heat transfer medium. As a result, in the battery unit S, the space in which the heat transfer medium flow path is provided in the housing portion 3 can be reduced. Therefore, in the battery unit S, the amount of the battery 2 of the vehicle A can be increased while providing the heat transfer medium flow path.
［内側ブラケット６の構造］
　図７及び図８に示すように、内側ブラケット本体６１は、縦領域６２１、及び横領域６４１を有する。縦領域６２１は、バッテリー２の高さ方向において延在している。縦領域６２１は、バッテリー２の車両Ａの車幅方向における内側の側面に固定されている。縦領域６２１は、隣接する他のバッテリー２側に面している。熱搬送媒体が流れる流路が形成された縦領域６２１が、このように隣接するバッテリー２どうしの間に位置していることで、隣接するバッテリー２どうしの間で熱が伝わりづらくなる。縦領域６２１の詳細は後述する。 [Structure of inner bracket 6]
As shown in FIGS. 7 and 8, inner bracket body 61 has longitudinal region 621 and lateral region 641 . Vertical region 621 extends in the height direction of battery 2 . The vertical region 621 is fixed to the inner side surface of the vehicle A of the battery 2 in the vehicle width direction. The vertical region 621 faces another adjacent battery 2 side. Since the vertical region 621 in which the flow path for the heat transfer medium is formed is positioned between the adjacent batteries 2 in this manner, heat is less likely to be transferred between the adjacent batteries 2 . Details of the vertical region 621 will be described later.
　横領域６４１は、縦領域６２１の上端に接続されている。横領域６４１は、バッテリー２の高さ方向と直交する水平方向において延在している板状の領域である。横領域６４１は、バッテリー２の上面に接している。横領域６４１の縦領域６２１と接続されている側とは反対側の端部は、外側ブラケット５の上面に固定されている。 The horizontal region 641 is connected to the upper end of the vertical region 621. The lateral region 641 is a plate-shaped region extending in the horizontal direction perpendicular to the height direction of the battery 2 . The lateral region 641 is in contact with the top surface of the battery 2 . The end of the lateral region 641 opposite to the side connected to the longitudinal region 621 is fixed to the upper surface of the outer bracket 5 .
　図９及び図１０に示すように、縦領域６２１は、上面板部６３１、下面板部６３２、内側面板部６３３、外側面板部６３５、第１板部６３７、及び第２板部６３８を有する。上面板部６３１は、縦領域６２１のバッテリー２の高さ方向における上方側の面を形成する領域である。上面板部６３１は、バッテリー２の高さ方向と直交する水平方向において延在している。下面板部６３２は、縦領域６２１のバッテリー２の高さ方向における下方側の面を形成する領域である。下面板部６３２は、上面板部６３１と平行である。 9 and 10, the vertical region 621 has an upper plate portion 631, a lower plate portion 632, an inner side plate portion 633, an outer side plate portion 635, a first plate portion 637, and a second plate portion 638. The upper surface plate portion 631 is an area that forms an upper side surface of the vertical area 621 in the height direction of the battery 2 . The upper plate portion 631 extends in a horizontal direction perpendicular to the height direction of the battery 2 . The lower surface plate portion 632 is a region that forms a surface on the lower side of the vertical region 621 in the height direction of the battery 2 . The lower plate portion 632 is parallel to the upper plate portion 631 .
　内側面板部６３３は、縦領域６２１の車両Ａの車幅方向における内側の面を形成する領域である。内側面板部６３３は、上面板部６３１及び下面板部６３２と直交している。内側面板部６３３の上端は、上面板部６３１の車両Ａの車幅方向における内側の端部と接続されている。内側面板部６３３の下端は、下面板部６３２の車両Ａの車幅方向における内側の端部と接続されている。内側面板部６３３は、複数の穴６３４を有する。複数の穴６３４は、内側面板部６３３のバッテリー２の高さ方向における後述する第１板部６３７と第２板部６３８との間に形成されている。穴６３４は、後述するボルトが挿入される穴である。 The inner side plate portion 633 is a region that forms the inner side of the vertical region 621 in the vehicle width direction of the vehicle A. The inner side plate portion 633 is orthogonal to the upper surface plate portion 631 and the lower surface plate portion 632 . The upper end of the inner side surface plate portion 633 is connected to the inner end portion of the upper surface plate portion 631 in the vehicle width direction of the vehicle A. As shown in FIG. A lower end of the inner surface plate portion 633 is connected to an inner end portion of the lower surface plate portion 632 in the vehicle width direction of the vehicle A. The inner side plate portion 633 has a plurality of holes 634 . A plurality of holes 634 are formed between a first plate portion 637 and a second plate portion 638 to be described later in the height direction of the battery 2 of the inner side plate portion 633 . A hole 634 is a hole into which a bolt, which will be described later, is inserted.
　外側面板部６３５は、縦領域６２１の車両Ａの車幅方向における外側の面を形成する領域である。外側面板部６３５は、上面板部６３１及び下面板部６３２と直交している。外側面板部６３５の上端は、上面板部６３１の車両Ａの車幅方向における外側の端部と接続されている。外側面板部６３５の下端は、下面板部６３２の車両Ａの車幅方向における外側の端部と接続されている。 The outer side plate portion 635 is a region that forms the outer side of the vertical region 621 in the vehicle width direction of the vehicle A. The outer surface plate portion 635 is orthogonal to the upper surface plate portion 631 and the lower surface plate portion 632 . The upper end of the outer side plate portion 635 is connected to the outer end portion of the upper surface plate portion 631 in the vehicle width direction of the vehicle A. As shown in FIG. A lower end of the outer surface plate portion 635 is connected to an outer end portion of the lower surface plate portion 632 in the vehicle width direction of the vehicle A. As shown in FIG.
　外側面板部６３５のバッテリー２の高さ方向における上面板部６３１と後述する第２板部６３８との間には、第２流入部６１６、第３流入部６１７、及び第３流出部６１８が設けられている。外側面板部６３５のバッテリー２の高さ方向における下面板部６３２と後述する第１板部６３７との間には、第１流入部６１２、第１流出部６１３、及び第２流出部６１４（図３参照）が設けられている。外側面板部６３５は、複数の穴６３６を有する。複数の穴６３６は、外側面板部６３５のバッテリー２の高さ方向における後述する第１板部６３７と第２板部６３８との間に形成されている。穴６３６は、後述するボルト（具体的には、ボルトの頭部）が通過する穴である。 A second inflow portion 616, a third inflow portion 617, and a third outflow portion 618 are provided between the upper surface plate portion 631 of the outer side plate portion 635 in the height direction of the battery 2 and a second plate portion 638 described later. It is A first inflow portion 612, a first outflow portion 613, and a second outflow portion 614 (Fig. 3) is provided. The outer side plate portion 635 has a plurality of holes 636 . A plurality of holes 636 are formed between a first plate portion 637 and a second plate portion 638 described later in the height direction of the battery 2 of the outer side plate portion 635 . A hole 636 is a hole through which a bolt (specifically, the head of the bolt), which will be described later, passes.
　第１板部６３７は、上面板部６３１と下面板部６３２との間に設けられている。第１板部６３７は、上面板部６３１及び下面板部６３２と平行である。第１板部６３７の車両Ａの車幅方向における内側の端部は、内側面板部６３３の外側の面に接続されている。第１板部６３７の車両Ａの車幅方向における外側の端部は、外側面板部６３５の内側の面に接続されている。 The first plate portion 637 is provided between the upper plate portion 631 and the lower plate portion 632 . The first plate portion 637 is parallel to the upper plate portion 631 and the lower plate portion 632 . The inner end of the first plate portion 637 in the vehicle width direction of the vehicle A is connected to the outer surface of the inner side plate portion 633 . An outer end portion of the first plate portion 637 in the vehicle width direction of the vehicle A is connected to an inner surface of the outer side plate portion 635 .
　第２板部６３８は、上面板部６３１と第１板部６３７との間に設けられている。第２板部６３８は、上面板部６３１及び下面板部６３２と平行である。第２板部６３８の車両Ａの車幅方向における内側の端部は、内側面板部６３３の外側の面に接続されている。第２板部６３８の車両Ａの車幅方向における外側の端部は、外側面板部６３５の内側の面に接続されている。 The second plate portion 638 is provided between the upper plate portion 631 and the first plate portion 637 . The second plate portion 638 is parallel to the upper plate portion 631 and the lower plate portion 632 . The inner end portion of the second plate portion 638 in the vehicle width direction of the vehicle A is connected to the outer surface of the inner side plate portion 633 . The outer end of the second plate portion 638 in the vehicle width direction of the vehicle A is connected to the inner surface of the outer side plate portion 635 .
　上面板部６３１、下面板部６３２、内側面板部６３３、外側面板部６３５、第１板部６３７、及び第２板部６３８の車両Ａの前後方向における両側の端部には、それぞれ固定部６５が設けられている。固定部６５は、内側ブラケット本体６１の流入路６１１、及び流出路６１５を形成している。固定部６５は、穴６５１を有する。穴６５１は、ボルトが挿入される穴である。固定部６５は、固定部６５の穴６５１と収容部３の固定部３１１の穴（不図示）とにボルトを挿入し、挿入したボルトを収容部３の固定部３１１の穴に締め付けることで、収容部３の固定部３１１に固定されている。 Fixing portions 65 are provided at both end portions of the upper surface plate portion 631, the lower surface plate portion 632, the inner surface plate portion 633, the outer surface plate portion 635, the first plate portion 637, and the second plate portion 638 in the longitudinal direction of the vehicle A. is provided. The fixed portion 65 forms an inflow passage 611 and an outflow passage 615 of the inner bracket main body 61 . The fixed part 65 has a hole 651 . A hole 651 is a hole into which a bolt is inserted. The fixing part 65 inserts a bolt into the hole 651 of the fixing part 65 and the hole (not shown) of the fixing part 311 of the housing part 3, and tightens the inserted bolt into the hole of the fixing part 311 of the housing part 3. It is fixed to the fixing portion 311 of the housing portion 3 .
　縦領域６２１は、第１領域６２２、第２領域６２３、及び第３領域６２４を有する。第１領域６２２は、第１流路を有する。第１流路は、流入路６１１又は流出路６１５のうちのいずれか一方の流路である。本実施形態においては、第１領域６２２は、流出路６１５を有する。第１領域６２２は、上面板部６３１、第２板部６３８、内側面板部６３３のバッテリー２の高さ方向における上面板部６３１と第２板部６３８との間の領域、外側面板部６３５のバッテリー２の高さ方向における上面板部６３１と第２板部６３８との間の領域、及び複数の固定部６５によって形成される流出路６１５を有する領域である。 The vertical area 621 has a first area 622 , a second area 623 and a third area 624 . The first region 622 has a first flow path. The first channel is either one of the inflow channel 611 and the outflow channel 615 . In this embodiment, the first region 622 has an outflow channel 615 . The first region 622 is the region between the top plate portion 631 , the second plate portion 638 , and the inner side plate portion 633 in the height direction of the battery 2 and the outer side plate portion 635 . A region between the upper plate portion 631 and the second plate portion 638 in the height direction of the battery 2 and a region having the outflow path 615 formed by the plurality of fixing portions 65 .
　第２領域６２３は、バッテリー２の高さ方向における第１領域６２２の下方に設けられている。第２領域６２３は、第２流路を有する。第２流路は、流入路６１１又は流出路６１５のうちの第１領域６２２に設けられている第１流路とは異なる流路である。本実施形態においては、第２領域６２３は、流入路６１１を有する。第２領域６２３は、第１板部６３７、下面板部６３２、内側面板部６３３のバッテリー２の高さ方向における第１板部６３７と下面板部６３２との間の領域、及び外側面板部６３５のバッテリー２の高さ方向における第１板部６３７と下面板部６３２との間の領域、及び複数の固定部６５によって形成される流入路６１１を有する領域である。 The second area 623 is provided below the first area 622 in the height direction of the battery 2 . The second region 623 has a second flow path. The second channel is a channel different from the first channel provided in the first region 622 of the inflow channel 611 or the outflow channel 615 . In this embodiment, the second region 623 has an inflow channel 611 . The second region 623 includes the first plate portion 637, the lower plate portion 632, the region between the first plate portion 637 and the lower plate portion 632 in the height direction of the battery 2 of the inner side plate portion 633, and the outer side plate portion 635. 2 is an area between the first plate portion 637 and the bottom plate portion 632 in the height direction of the battery 2 and an area having the inflow path 611 formed by the plurality of fixing portions 65 .
　バッテリーユニットＳにおいては、前述したように、ブラケット４は、第１領域６２２及び第２領域６２３を有する。したがって、バッテリー２の高さ方向において、ブラケット４内の流入路６１１と流出路６１５との間の長さを大きくすることができる。その結果、ブラケット４においては、流入路６１１内の熱搬送媒体と流出路６１５内の熱搬送媒体が熱交換するのを防ぐことができる。 In the battery unit S, the bracket 4 has the first area 622 and the second area 623 as described above. Therefore, the length between the inflow path 611 and the outflow path 615 in the bracket 4 can be increased in the height direction of the battery 2 . As a result, in the bracket 4, heat exchange between the heat transfer medium in the inflow path 611 and the heat transfer medium in the outflow path 615 can be prevented.
　第３領域６２４は、第１領域６２２と第２領域６２３との間に設けられている。第３領域６２４は、ボルトが挿入される領域である。ボルトは、ブラケット４を車両Ａに固定するための部品である。本実施形態においては、ボルトは、バッテリー２を収容部３に固定するためのブラケット４を、バッテリー２と隣接するバッテリー２を収容部３に固定するためのブラケット４に固定するための部品である。第３領域６２４は、第１板部６３７、第２板部６３８、内側面板部６３３のバッテリー２の高さ方向における第１板部６３７と第２板部６３８との間の領域、外側面板部６３５のバッテリー２の高さ方向における第１板部６３７と第２板部６３８との間の領域、及び複数の固定部６５によって形成される空間を有する領域である。 The third area 624 is provided between the first area 622 and the second area 623 . A third area 624 is the area into which the bolt is inserted. A bolt is a part for fixing the bracket 4 to the vehicle A. As shown in FIG. In this embodiment, the bolt is a part for fixing the bracket 4 for fixing the battery 2 to the housing portion 3 to the bracket 4 for fixing the battery 2 adjacent to the battery 2 to the housing portion 3. . The third region 624 is a region between the first plate portion 637, the second plate portion 638, and the inner side plate portion 633 in the height direction of the battery 2 and the outer side plate portion. A region 635 between the first plate portion 637 and the second plate portion 638 in the height direction of the battery 2 and a region having a space formed by the plurality of fixing portions 65 .
　外側面板部６３５の穴６３６を通過させたボルトは、内側面板部６３３の穴６３４に挿入されている。内側ブラケット６は、ボルトを外側面板部６３５の穴６３６を通過させて、内側面板部６３３の穴６３４、及び隣接する内側ブラケット６の内側面板部６３３の穴６３４に挿入し、挿入したボルトにナットを締め付けることで、隣接する内側ブラケット６に固定されている。このようにして、本実施形態の構成においては、隣接する内側ブラケット６どうしが互いに接続される。 The bolt passed through the hole 636 of the outer side plate portion 635 is inserted into the hole 634 of the inner side plate portion 633 . For the inner bracket 6, the bolt is passed through the hole 636 of the outer side plate portion 635 and inserted into the hole 634 of the inner side plate portion 633 and the hole 634 of the inner side plate portion 633 of the adjacent inner bracket 6, and the inserted bolt is fitted with a nut. is fixed to the adjacent inner bracket 6 by tightening the . In this manner, adjacent inner brackets 6 are connected to each other in the configuration of this embodiment.
　バッテリーユニットＳにおいては、ブラケット４は、このように第３領域６２４を有する。したがって、ブラケット４においては、ブラケット４に流入路６１１及び流出路６１５を設けつつ、ブラケット４を車両Ａに固定するためのボルトが挿入される領域を設けることができる。その結果、バッテリーユニットＳにおいては、ブラケット４が大きくなるのを防ぐことができる。 In the battery unit S, the bracket 4 thus has the third region 624. Therefore, the bracket 4 can be provided with an area into which a bolt for fixing the bracket 4 to the vehicle A is inserted while providing the inflow path 611 and the outflow path 615 in the bracket 4 . As a result, in the battery unit S, it is possible to prevent the bracket 4 from becoming large.
　第１流入部６１２と他の第１ブラケットとの間の長さは、第１流出部６１３と他の第１ブラケットとの間の長さよりも小さく、第３流出部６１８と他の第１ブラケットとの間の長さは、第２流入部６１６と他の第１ブラケットとの間の長さよりも小さい。バッテリーユニットＳにおいては、このようにブラケット４に第１流入部６１２、第１流出部６１３、第３流出部６１８、及び第２流入部６１６が設けられている。 The length between the first inlet portion 612 and the other first bracket is smaller than the length between the first outlet portion 613 and the other first bracket, and the third outlet portion 618 and the other first bracket are shorter than the length between the first outlet portion 613 and the other first bracket. is smaller than the length between the second inflow portion 616 and the other first bracket. In the battery unit S, the bracket 4 is provided with the first inflow portion 612, the first outflow portion 613, the third outflow portion 618, and the second inflow portion 616 as described above.
　したがって、バッテリーユニットＳにおいては、第１流入部６１２と他の第１ブラケットの第２流出部６１４とを接続する熱搬送媒体流路と、第１流出部６１３とバッテリー流入部２１とを接続する熱搬送媒体流路とが交差するのを防ぐことができる。同様に、バッテリーユニットＳにおいては、第３流出部６１８と他の第１ブラケットの第３流入部６１７とを接続する熱搬送媒体流路と、第２流入部６１６とバッテリー流出部２２とを接続する熱搬送媒体流路とが交差するのを防ぐことができる。その結果、バッテリーユニットＳにおいては、熱搬送媒体流路の長さが大きくなるのを防ぐことができる。 Therefore, in the battery unit S, the heat transfer medium flow path connecting the first inflow portion 612 and the second outflow portion 614 of the other first bracket, and the first outflow portion 613 and the battery inflow portion 21 are connected. Intersection with the heat transfer medium flow path can be prevented. Similarly, in the battery unit S, the heat transfer medium flow path connecting the third outflow portion 618 and the third inflow portion 617 of the other first bracket, and the second inflow portion 616 and the battery outflow portion 22 are connected. It is possible to prevent the heat transfer medium flow path to intersect. As a result, in the battery unit S, it is possible to prevent the length of the heat transfer medium channel from increasing.
　バッテリー流入部２１及びバッテリー流出部２２は、バッテリー２と他の第１ブラケットに設けられた他のバッテリー２との間の空間に面する位置に設けられている。そして、第１流入部６１２、第１流出部６１３、第２流出部６１４、第２流入部６１６、第３流入部６１７、及び第３流出部６１８は、当該空間においてバッテリー流入部２１及びバッテリー流出部２２に向かって露出している。 The battery inflow part 21 and the battery outflow part 22 are provided at positions facing the space between the battery 2 and the other battery 2 provided on the other first bracket. The first inflow portion 612, the first outflow portion 613, the second outflow portion 614, the second inflow portion 616, the third inflow portion 617, and the third outflow portion 618 form the battery inflow portion 21 and the battery outflow portion 21 in the space. It is exposed toward the portion 22 .
　バッテリーユニットＳは、このような構造を有することで、第１流入部６１２と他の第１ブラケットの第２流出部６１４とを接続する熱搬送媒体流路の長さ、第１流出部６１３とバッテリー流入部２１とを接続する熱搬送媒体流路の長さ、第２流入部６１６とバッテリー流出部２２とを接続する熱搬送媒体流路の長さ、及び第３流出部６１８と他の第１ブラケットの第３流入部６１７とを接続する熱搬送媒体流路の長さが大きくなるのを防ぐことができる。 By having such a structure, the battery unit S has the length of the heat transfer medium flow path connecting the first inlet portion 612 and the second outlet portion 614 of the other first bracket, the length of the first outlet portion 613 and the The length of the heat transfer medium flow path connecting the battery inlet 21, the length of the heat transfer medium flow path connecting the second inlet 616 and the battery outlet 22, and the third outlet 618 and other third It is possible to prevent the length of the heat transfer medium flow path connecting the third inflow part 617 of one bracket from increasing.
［変形例］
　上記実施形態においては、第１領域６２２は、流出路６１５を有し、第２領域６２３は、流入路６１１を有する例を示したが、これに限定されない。第１領域６２２は、流入路６１１を有し、第２領域６２３は、流出路６１５を有していてもよい。 [Modification]
Although the first region 622 has the outflow channel 615 and the second region 623 has the inflow channel 611 in the above embodiment, the present invention is not limited to this. A first region 622 may have an inflow channel 611 and a second region 623 may have an outflow channel 615 .
［本実施形態に係るバッテリーユニットＳによる効果］
　本実施形態に係るバッテリーユニットＳは、複数のバッテリー２と、複数のバッテリー２を収容する収容部３と、複数のバッテリー２をそれぞれ収容部３に固定するための複数のブラケット４と、を有するバッテリーユニットＳである。そして、バッテリー２は、図７及び図８に示したように、熱搬送媒体が流入するバッテリー流入部２１と、バッテリー流入部２１に流入した熱搬送媒体が流出するバッテリー流出部２２と、を有する。また、ブラケット４は、バッテリーユニットＳの外部から流入した熱搬送媒体がバッテリー流入部２１に向けて流れる流入路６１１と、バッテリー流出部２２から流出した熱搬送媒体がバッテリーユニットＳの外部に向けて流れる流出路６１５と、を有する。 [Effects of the battery unit S according to the present embodiment]
The battery unit S according to this embodiment includes a plurality of batteries 2, a housing portion 3 housing the plurality of batteries 2, and a plurality of brackets 4 for fixing the plurality of batteries 2 to the housing portion 3. It is a battery unit S. 7 and 8, the battery 2 has a battery inlet 21 into which the heat transfer medium flows and a battery outlet 22 through which the heat transfer medium that has flowed into the battery inlet 21 flows out. . In addition, the bracket 4 has an inflow passage 611 through which the heat transfer medium that has flowed in from the outside of the battery unit S flows toward the battery inflow portion 21, and a heat transfer medium that has flowed out from the battery outflow portion 22 toward the outside of the battery unit S. and a flowing outflow channel 615 .
　そして、流入路６１１は、バッテリーユニットＳの外部又は他の第１ブラケットから熱搬送媒体が流入する第１流入部６１２と、第１流入部６１２に流入した熱搬送媒体がバッテリー流入部２１に向かって流出する第１流出部６１３と、第１流入部６１２に流入した熱搬送媒体が他の第２ブラケットに向かって流出する第２流出部６１４と、を有する。また、流出路６１５は、バッテリー流出部２２から流出した熱搬送媒体が流入する第２流入部６１６と、他の第２ブラケットから熱搬送媒体が流入する第３流入部６１７と、第２流入部６１６又は第３流入部６１７から流入した熱搬送媒体がバッテリーユニットＳの外部又は他の第１ブラケットに向かって流出する第３流出部６１８と、を有する。 The inflow path 611 has a first inflow portion 612 into which the heat transfer medium flows from the outside of the battery unit S or another first bracket, and the heat transfer medium flowing in the first inflow portion 612 flows toward the battery inflow portion 21 . and a second outflow portion 614 through which the heat transfer medium that has flowed into the first inflow portion 612 flows out toward the other second bracket. In addition, the outflow path 615 includes a second inflow portion 616 into which the heat transfer medium flowing out from the battery outflow portion 22 flows, a third inflow portion 617 into which the heat transfer medium flows from the other second bracket, and a second inflow portion. 616 or a third outflow part 618 through which the heat transfer medium that has flowed in from the third inflow part 617 flows out to the outside of the battery unit S or to another first bracket.
　本実施形態に係るバッテリーユニットＳにおいては、このようにブラケット４は、流入路６１１及び流出路６１５を有し、流入路６１１は、第１流入部６１２、第１流出部６１３、及び第２流出部６１４を有し、流出路６１５は、第２流入部６１６、第３流入部６１７、及び第３流出部６１８を有する。したがって、ブラケット４の流入路６１１及び流出路６１５を熱搬送媒体が流れる流路として利用することができる。その結果、バッテリーユニットＳにおいては、収容部３内に熱搬送媒体流路を設ける空間を小さくすることができる。よって、バッテリーユニットＳにおいては、熱搬送媒体流路を設けつつ、車両Ａのバッテリー２の量を増加させることができる。 In the battery unit S according to this embodiment, the bracket 4 thus has the inflow path 611 and the outflow path 615, and the inflow path 611 includes the first inflow part 612, the first outflow part 613, and the second outflow part 612. Having a portion 614 , the outlet channel 615 has a second inlet portion 616 , a third inlet portion 617 and a third outlet portion 618 . Therefore, the inflow path 611 and the outflow path 615 of the bracket 4 can be used as flow paths for the heat transfer medium. As a result, in the battery unit S, the space in which the heat transfer medium flow path is provided in the housing portion 3 can be reduced. Therefore, in the battery unit S, the amount of the battery 2 of the vehicle A can be increased while providing the heat transfer medium flow path.
　以上、本発明を実施の形態を用いて説明したが、本発明の技術的範囲は上記実施の形態に記載の範囲には限定されず、その要旨の範囲内で種々の変形及び変更が可能である。例えば、装置の全部又は一部は、任意の単位で機能的又は物理的に分散・統合して構成することができる。また、複数の実施の形態の任意の組み合わせによって生じる新たな実施の形態も、本発明の実施の形態に含まれる。組み合わせによって生じる新たな実施の形態の効果は、もとの実施の形態の効果を併せ持つ。 Although the present invention has been described above using the embodiments, the technical scope of the present invention is not limited to the scope described in the above embodiments, and various modifications and changes are possible within the scope of the gist thereof. be. For example, all or part of the device can be functionally or physically distributed and integrated in arbitrary units. In addition, new embodiments resulting from arbitrary combinations of multiple embodiments are also included in the embodiments of the present invention. The effect of the new embodiment caused by the combination has the effect of the original embodiment.
Ａ・・・車両
１、１Ｌ、１Ｒ・・・サイドメンバ
Ｓ・・・バッテリーユニット
２・・・バッテリー
２１・・・バッテリー流入部
２２・・・バッテリー流出部
３・・・収容部
３１・・・収容部本体
３１１・・・固定部
３２・・・蓋部
４・・・ブラケット
５・・・外側ブラケット
５１・・・外側ブラケット本体
５２・・・固定部
６・・・内側ブラケット
６１・・・内側ブラケット本体
６１１・・・流入路
６１２・・・第１流入部
６１３・・・第１流出部
６１４・・・第２流出部
６１５・・・流出路
６１６・・・第２流入部
６１７・・・第３流入部
６１８・・・第３流出部
６２１・・・縦領域
６２２・・・第１領域
６２３・・・第２領域
６２４・・・第３領域
６３１・・・上面板部
６３２・・・下面板部
６３３・・・内側面板部
６３４・・・穴
６３５・・・外側面板部
６３６・・・穴
６３７・・・第１板部
６３８・・・第２板部
６４１・・・横領域
６５・・・固定部
６５１・・・穴
  A... Vehicles 1, 1L, 1R... Side member S... Battery unit 2... Battery 21... Battery inflow part 22... Battery outflow part 3... Housing part 31... Housing portion main body 311 Fixing portion 32 Lid portion 4 Bracket 5 Outer bracket 51 Outer bracket main body 52 Fixing portion 6 Inner bracket 61 Inside Bracket body 611 Inflow path 612 First inflow part 613 First outflow part 614 Second outflow part 615 Outflow path 616 Second inflow part 617 Third inflow portion 618 Third outflow portion 621 Vertical region 622 First region 623 Second region 624 Third region 631 Upper surface plate portion 632 Lower surface plate portion 633...Inner surface plate portion 634...Hole 635...Outer surface plate portion 636...Hole 637...First plate portion 638...Second plate portion 641...Lateral region 65 . . . Fixing portion 651 .

Claims (7)

  1. 　複数のバッテリーと、前記複数のバッテリーを収容する収容部と、前記複数のバッテリーをそれぞれ前記収容部に固定するための複数のブラケットと、を有するバッテリーユニットであって、
    　前記バッテリーは、
    　熱搬送媒体が流入するバッテリー流入部と、
    　前記バッテリー流入部に流入した前記熱搬送媒体が流出するバッテリー流出部と、
    　を有し、
    　前記ブラケットは、
    　前記バッテリーユニットの外部から流入した前記熱搬送媒体が前記バッテリー流入部に向けて流れる流入路と、
    　前記バッテリー流出部から流出した前記熱搬送媒体が前記バッテリーユニットの外部に向けて流れる流出路と、
    　を有し、
    　前記流入路は、
    　前記バッテリーユニットの外部又は他の第１ブラケットから前記熱搬送媒体が流入する第１流入部と、
    　前記第１流入部に流入した前記熱搬送媒体が前記バッテリー流入部に向かって流出する第１流出部と、
    　前記第１流入部に流入した前記熱搬送媒体が他の第２ブラケットに向かって流出する第２流出部と、
    　を有し、
    　前記流出路は、
    　前記バッテリー流出部から流出した前記熱搬送媒体が流入する第２流入部と、
    　前記他の第２ブラケットから前記熱搬送媒体が流入する第３流入部と、
    　前記第２流入部又は前記第３流入部から流入した前記熱搬送媒体が前記バッテリーユニットの外部又は前記他の第１ブラケットに向かって流出する第３流出部と、
    　を有するバッテリーユニット。     A battery unit comprising: a plurality of batteries; a housing for housing the plurality of batteries; and a plurality of brackets for fixing the plurality of batteries to the housing,
    The battery is
    a battery inlet into which the heat transfer medium flows;
    a battery outflow part from which the heat transfer medium flowing into the battery inflow part flows out;
    has
    The bracket is
    an inflow path through which the heat transfer medium that has flowed in from the outside of the battery unit flows toward the battery inflow part;
    an outflow path through which the heat transfer medium flowing out from the battery outflow portion flows toward the outside of the battery unit;
    has
    The inflow path is
    a first inlet into which the heat transfer medium flows from the outside of the battery unit or from another first bracket;
    a first outflow part through which the heat transfer medium that has flowed into the first inflow part flows out toward the battery inflow part;
    a second outflow portion through which the heat transfer medium that has flowed into the first inflow portion flows out toward another second bracket;
    has
    The outflow path is
    a second inflow portion into which the heat transfer medium flowing out from the battery outflow portion flows;
    a third inflow portion into which the heat transfer medium flows from the other second bracket;
    a third outflow portion through which the heat transfer medium that has flowed in from the second inflow portion or the third inflow portion flows out toward the outside of the battery unit or the other first bracket;
    A battery unit with
  2. 　前記ブラケットは、
    　前記流入路又は前記流出路のうちのいずれか一方の第１流路を有する第１領域と、
    　前記バッテリーの高さ方向における前記第１領域の下方に設けられており、前記流入路又は前記流出路のうちの前記第１領域に設けられている前記第１流路とは異なる第２流路を有する第２領域と、
    　を有する、
    　請求項１に記載のバッテリーユニット。     The bracket is
    a first region having a first channel of either the inflow channel or the outflow channel;
    A second flow path provided below the first area in the height direction of the battery and different from the first flow path provided in the first area of the inflow path or the outflow path a second region having
    having
    The battery unit according to claim 1.
  3. 　前記ブラケットは、前記第１領域と前記第２領域との間に、前記ブラケットを車両に固定するためのボルトが挿入される第３領域をさらに有する、
    　請求項２に記載のバッテリーユニット。     The bracket further has a third region into which a bolt for fixing the bracket to the vehicle is inserted between the first region and the second region,
    The battery unit according to claim 2.
  4. 　前記ボルトは、前記バッテリーを前記収容部に固定するための前記ブラケットを、前記バッテリーと隣接する他の前記バッテリーを前記収容部に固定するための他の前記ブラケットに固定する、
    　請求項３に記載のバッテリーユニット。     the bolts fix the bracket for fixing the battery to the receiving portion to another bracket for fixing the other battery adjacent to the battery to the receiving portion;
    The battery unit according to claim 3.
  5. 　前記ブラケットは、前記バッテリーの高さ方向において延在しており、他の前記バッテリー側に面している縦領域を有し、
    　前記縦領域に、前記第１領域、前記第２領域、及び前記第３領域が形成されている、
    　請求項４に記載のバッテリーユニット。     the bracket extends in the height direction of the battery and has a longitudinal region facing the other battery side;
    The first region, the second region, and the third region are formed in the vertical region,
    The battery unit according to claim 4.
  6. 　前記第１流入部と前記他の第１ブラケットとの間の長さは、前記第１流出部と前記他の第１ブラケットとの間の長さよりも小さく、
    　前記第３流出部と前記他の第１ブラケットとの間の長さは、前記第２流入部と前記他の第１ブラケットとの間の長さよりも小さい、
    　請求項１から５のいずれか一項に記載のバッテリーユニット。     the length between the first inflow portion and the other first bracket is smaller than the length between the first outflow portion and the other first bracket;
    the length between the third outflow portion and the other first bracket is smaller than the length between the second inflow portion and the other first bracket;
    The battery unit according to any one of claims 1 to 5.
  7. 　前記バッテリー流入部及び前記バッテリー流出部は、前記バッテリーと前記他の第１ブラケットに設けられた他のバッテリーとの間の空間に面する位置に設けられており、
    　前記第１流入部、前記第１流出部、前記第２流出部、前記第２流入部、前記第３流入部、及び前記第３流出部は、前記空間において前記バッテリー流入部及び前記バッテリー流出部に向かって露出している、
    　請求項１から６のいずれか一項に記載のバッテリーユニット。
          the battery inflow portion and the battery outflow portion are provided at positions facing a space between the battery and another battery provided on the other first bracket;
    The first inflow portion, the first outflow portion, the second outflow portion, the second inflow portion, the third inflow portion, and the third outflow portion are configured to form the battery inflow portion and the battery outflow portion in the space. exposed towards
    The battery unit according to any one of claims 1 to 6.
PCT/JP2022/014929 2021-03-29 2022-03-28 Battery unit WO2022210515A1 (en)

Applications Claiming Priority (2)

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JP2021054547A JP2022151970A (en) 2021-03-29 2021-03-29 battery unit
JP2021-054547 2021-03-29

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012195210A (en) * 2011-03-17 2012-10-11 Toyota Industries Corp Battery temperature controller
WO2019026676A1 (en) * 2017-07-31 2019-02-07 パナソニックＩｐマネジメント株式会社 Battery module, battery pack, and integrated battery pack
WO2019221376A1 (en) * 2018-05-16 2019-11-21 삼성에스디아이 주식회사 Battery pack comprising frame profile having integral refrigerant circuit member
JP2020136077A (en) * 2019-02-20 2020-08-31 日本電産株式会社 Battery module

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012195210A (en) * 2011-03-17 2012-10-11 Toyota Industries Corp Battery temperature controller
WO2019026676A1 (en) * 2017-07-31 2019-02-07 パナソニックＩｐマネジメント株式会社 Battery module, battery pack, and integrated battery pack
WO2019221376A1 (en) * 2018-05-16 2019-11-21 삼성에스디아이 주식회사 Battery pack comprising frame profile having integral refrigerant circuit member
JP2020136077A (en) * 2019-02-20 2020-08-31 日本電産株式会社 Battery module

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