WO2016110886A1 - 蓄電ユニット - Google Patents
蓄電ユニット Download PDFInfo
- Publication number
- WO2016110886A1 WO2016110886A1 PCT/JP2015/005494 JP2015005494W WO2016110886A1 WO 2016110886 A1 WO2016110886 A1 WO 2016110886A1 JP 2015005494 W JP2015005494 W JP 2015005494W WO 2016110886 A1 WO2016110886 A1 WO 2016110886A1
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- WIPO (PCT)
- Prior art keywords
- power storage
- case
- storage unit
- holder
- unit according
- Prior art date
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- 230000005611 electricity Effects 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 12
- 230000035882 stress Effects 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 6
- 239000003566 sealing material Substances 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/10—Housing; Encapsulation
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
-
- 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
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a power storage unit used in various electronic devices, electrical devices, industrial devices, automobiles and the like.
- an electric double layer capacitor has been developed as a power storage device for the purpose of power assist or backup of electronic equipment.
- studies are being conducted on power storage units that combine a plurality of capacitors.
- FIG. 13 is a perspective view showing a conventional capacitor module as an example of a conventional power storage unit.
- a conventional capacitor module includes a lower case 101 and an upper case 102 that contain a plurality of capacitors and a control board (not shown) electrically connected to these capacitors so as to be sandwiched from above and below, and the lower case 101 and the upper case.
- a connector 103 exposed to the outside from 102, a lower case 101, and a screw 104 for fixing the upper case 102 at an end portion are provided.
- Patent Document 1 is known as prior document information relating to this application.
- the power storage unit can surely obtain a certain hermeticity and can prevent foreign matter from entering the case.
- further studies were necessary to prevent water droplets from entering the case from the outside.
- an object of the present invention is to provide a power storage unit that can easily prevent water droplets from entering.
- a power storage unit of the present invention covers a power storage device, a holder that holds the power storage device, a bottomed cylindrical case that houses the power storage device and the holder, and an opening of the case
- the lid is characterized in that at least a part of the lid is inserted into the case.
- the power storage unit of the present invention suppresses foreign matter from entering the case and improves reliability. This is because with this configuration, the surface on which the boundary between the case and the lid is formed can be only on one side (the case opening side). Thereby, it becomes possible to restrict the entrance of foreign substances (particularly water droplets).
- FIG. 1 is an exploded perspective view showing a power storage unit in an embodiment of the present invention.
- FIG. 2 is an external perspective view showing the power storage unit in the embodiment of the present invention.
- FIG. 3 is a perspective view showing a power storage device, a holder, a control board, and a connector in the embodiment of the present invention.
- FIG. 4 is a plan view showing the power storage unit in the embodiment of the present invention except for a part of the side wall of the case.
- FIG. 5 is a cross-sectional view of the power storage unit in the embodiment of the present invention cut along the cutting line AA in FIG.
- FIG. 6 is a cross-sectional view showing the power storage unit according to the embodiment of the present invention cut along the cutting line BB in FIG.
- FIG. 7 is a cross-sectional view showing the power storage unit according to the embodiment of the present invention cut along the step cutting line CC in FIG.
- FIG. 8 is a cross-sectional plan view showing a case and a lid used in the power storage unit in the embodiment of the present invention.
- FIG. 9 is a schematic diagram showing a method of fixing the power storage unit to another member in the embodiment of the present invention.
- FIG. 10 is a partial perspective view showing the vicinity of the opening and lid of the case of the electricity storage unit in another embodiment of the present invention.
- FIG. 11 is a partial cross-sectional view on the opening side showing a power storage unit according to another embodiment of the present invention cut along the cutting line DD in FIG.
- FIG. 12 is a partial front view of a power storage unit according to another embodiment of the present invention.
- FIG. 13 is an external perspective view showing a conventional power storage unit.
- FIG. 1 is an exploded perspective view showing a power storage unit in the present embodiment.
- FIG. 2 is an external perspective view showing the power storage unit in the present embodiment.
- the power storage unit of the present embodiment is electrically connected to a plurality of power storage devices 1 that perform charging and discharging, a holder 2 that supports these power storage devices 1, and the power storage device 1.
- the control board 3 supported by the holder 2, the connector 4 electrically connected to the power storage device 1 by being electrically connected to the control board 3, the power storage device 1, the holder 2, and the control board 3.
- a bottomed cylindrical case 5 for housing the connector 4 and a lid 6 for sealing the case 5.
- the connector 4 is an example of the “external connection terminal” in the present invention.
- the side wall portion of the case 5 has a cylindrical shape with a rectangular cross section, and includes a side wall 5a facing in the horizontal direction (x direction in the figure) and a side wall 5h facing in the vertical direction (z direction in the figure). Moreover, it has the bottom face part 5i which closed the edge part of one side (back) of the y direction (refer FIG. 1) of the side wall part (side wall 5a, 5h), and the other edge part (front side) of the side wall part in the y direction. Is formed with an opening 5j.
- the power storage device 1, the holder 2, the control board 3, and the connector 4 are inserted in the y direction in the figure from the front (opening 5 j side) to the rear (bottom surface 5 i side) of the case 5.
- the direction in which the bottom surface portion 5i and the opening 5j face each other is an example of the “first direction” in the present invention.
- FIG. 3 is a perspective view showing the power storage device 1, the holder 2, the control board 3, and the connector 4 of this embodiment.
- FIG. 3 (a) is an upper perspective view
- FIG. 3 (b) is a lower perspective view. is there.
- the power storage device 1 is composed of an electric double layer capacitor as an example.
- the power storage device 1 of the present embodiment includes a bottomed cylindrical outer container 1 a that stores a power storage element and an electrolyte (both not shown), and an opening of the outer container 1 a.
- a sealing material 1b to be sealed and a pair of linear external terminals 1c extending to the outside from through holes (not shown) provided in the sealing material 1b are provided.
- the external terminal 1c is made of a conductive material, and is electrically connected to a pair of electrodes of the storage element in the outer container 1a.
- the exterior container 1a is comprised from the metal, for example, and the sealing material 1b is comprised from the rubber
- the direction (y direction in the figure) from the bottom surface of the outer container 1a toward the sealing material 1b is defined as the height direction of the power storage device 1.
- the holder 2 is made of an insulating material.
- the holder 2 includes a plurality of storage chambers 2a that respectively store a plurality of (five) power storage devices 1, a tongue-shaped fixed claw 2b extending from the open end of the storage chamber 2a, and the above And a tongue-like fixed claw 2c formed at the bottom of the storage chamber 2a.
- the fixing claws 2b are formed in three pairs on both sides of each storage chamber 2a.
- the fixed claw 2c is formed by forming a U-shaped slit hole at the bottom of the storage chamber 2a.
- the fixing claws 2b and 2c are in contact with and pressed against the cylindrical peripheral side surface of the outer container 1a so as to sandwich the side surface of the outer container 1a of the power storage device 1.
- the plurality of storage chambers 2a are provided side by side such that the height directions of the plurality of stored power storage devices 1 are parallel to each other.
- wiring (not shown) is formed on the plane of a plate-like resin base material. By electrically connecting the external terminals 1c of the plurality of power storage devices 1 and this wiring, the plurality of power storage devices 1 can be connected in series or in parallel.
- the holder 2 is fixed on a plane on which the wiring of the control board 3 is formed, and the control board 3 and the back surface of the surface of the holder 2 on which the storage chamber 2a is formed are partially opposed. .
- Substrate support portions 2g and 2h are formed on the surface of the holder 2 facing the control substrate 3.
- the substrate support portion 2 h is a boss, and the holder 2 and the control substrate 3 are positioned by inserting the substrate support portion 2 h into the guide hole 3 a formed in the control substrate 3.
- the substrate support portion 2g is snap-fit, and the holder 2 and the control substrate 3 are fixed by inserting the substrate support portion 2g into a fixing hole 3b formed in the control substrate 3.
- the holder 2 and the control board 3 of this embodiment are opposed to each other so as to protrude in opposite directions (y direction in the figure).
- the protruding direction is the same direction (a direction in which the lid 6 faces) as the direction from the bottom surface portion 5i of the case 5 toward the opening 5j (the direction in which the lid 6 faces).
- the power storage device 1 is accommodated in the storage chamber 2a such that the opening surface of the storage chamber 2a and the height direction of the power storage device 1 are parallel to each other.
- the linear external terminal 1c extends from the holder 2 in the height direction (y direction in the figure), and is bent in the z direction toward the plane of the control board 3 by a bent portion provided in the middle. Are electrically connected to the wiring formed on the plane of the control board 3.
- the portion of the external terminal 1 c according to the present embodiment extending in the z direction toward the control board 3 is sandwiched by the terminal support portion 2 d provided on the holder 2. With this configuration, it is possible to reduce the stress applied to the connection portion between the external terminal 1c and the control board 3 caused by the external stress.
- FIG. 4 is a plan view illustrating members housed in the case 5 with the illustration of the side wall 5h on the upper surface side (see FIGS. 1 and 2) of the case 5 omitted in the power storage unit of the present embodiment.
- FIG. 5 is a cross-sectional view showing the power storage unit of this embodiment cut along the cutting line AA in FIG. 4, and FIG. 6 shows the power storage unit of this embodiment cut along the cutting line BB in FIG.
- FIG. 7 is a cross-sectional view showing the power storage unit of the present embodiment cut along the step cutting line CC in FIG.
- FIG. 8 is a plan sectional view showing the case 5 and the lid 6 cut in the horizontal direction.
- the storage chamber 2 a of the holder 2 that stores the power storage device 1 is configured by a recess having a substantially semi-cylindrical gap.
- Case 5 is made of an insulating material.
- the side wall 5h has a larger area than the side wall 5a, and the end of the rectangular shape constituting the opening 5j of the case 5 is longer.
- the case 5 is provided with a plurality of fixing means for supporting the holder 2 and the control board 3 inside. As shown in FIGS. 1 and 5, in the case 5, the control board 3 of this embodiment is accommodated so that its plane is parallel to the side wall 5 h.
- a guide wall 5b that is parallel to the side wall 5a is erected on the inner surface of the lower side wall 5h.
- the guide walls 5b are provided as a pair and are parallel to the side walls 5a.
- linear guide grooves 5c are formed on surfaces facing each other.
- the guide groove 5c is formed in a direction (y direction in FIG. 1) from the bottom surface portion 5i of the case 5 toward the opening 5j.
- the guide groove 5c is an example of the “first groove” in the present invention. Both ends of the control board 3 are accommodated (inserted) in the guide groove 5c, and the position of the control board 3 in the case 5 is determined.
- the case 5 has a guide groove 5d at a position closer to the bottom surface portion 5i of the case 5 than the guide groove 5c.
- the guide groove 5d is an example of the “second groove” in the present invention.
- the leading end of a flange 2e (see FIG. 3) formed on the side surface of the holder 2 is inserted into the guide groove 5d.
- the flange 2e is an example of the “side end” in the present invention.
- a recess 5 e is formed inside the bottom surface portion 5 i of the case 5, and this recess 5 e is formed at the rear end portion of the holder 2 facing the bottom surface portion 5 i of the case 5.
- the flange 2f is clamped.
- the flange portion 2f is an example of the “projection” in the present invention.
- the guide groove 5c may increase the stress applied to both ends of the control board 3 by decreasing the depth of the groove toward the bottom surface portion 5i from the opening 5j of the case 5 and approaching the bottom surface portion 5i. it can.
- the control board 3 can be fixed by the guide groove 5c in the case 5, so that the integrated holder 2 and control board 3 can be fixed against stress from three axes. it can.
- the burden on the connection portion between the external terminal 1 c and the control board 3 can be reduced.
- the board support part 2h and the control board 3 are fixed by the stress necessary for fitting the recess 5e and the flange part 2f. It is characterized by higher strength. With this configuration, it is possible to suppress the stress applied from the holder 2 to the control board 3 when the recessed portion 5e and the flange portion 2f are fitted and fixed.
- adjusting the gap size between the two members to be fixed can be mentioned.
- the gap dimension between the guide hole 3a of the control board 3 and the board support part 2h to be inserted is the gap between the flange part 2f and the recessed part 5e. The structure is smaller than the dimensions.
- the guide grooves 5c and 5d are parallel to each other and are not positioned on the same plane, in other words, with reference to FIGS. 5 and 6, the guide grooves 5c and 5d are positioned on different planes in the z direction. This is because the integrated holder 2 and control board 3 can be more firmly fixed against stress in the vertical direction (opposite direction of the side wall 5h).
- the lid 6 is made of a plate-like insulating material. As shown in FIGS. 1, 7, and 8, the lid 6 of this embodiment is accommodated in a lid accommodating portion 5 g having a step shape provided on the opening 5 j side of the case 5. The lid 6 is fixed to the case 5 by screwing the screw hole provided in the lid accommodating portion 5g and the screw 7 together.
- the control board 3 can be fixed to the lid 6 with a screw (not shown).
- the boundary (seam) between the lid 6 and the case 5 is the side wall (side walls 5a, 5h). ) And does not appear on the side, but appears only on the opening 5 j side of the case 5.
- foreign matter cannot enter the inside of the case 5 from the outside except in the direction (y direction) where the lid 6 and the bottom surface portion 5i of the case 5 face each other.
- the opening 5j of the case 5 by orienting the opening 5j of the case 5 downward, the possibility that foreign matters such as water droplets enter from the boundary can be greatly reduced.
- the cover 6 does not have to be accommodated entirely inside the case 5 and may be a part. Further, the cover 6 of this embodiment is provided with a through hole 6a, and the connector 4 is exposed to the outside of the case 5 from the through hole 6a. With this configuration, the boundary (joint) between the connector 4 and the lid 6 can also be formed on the opening 5j side of the case 5, so that foreign matter can be prevented from entering the case 5 with higher reliability.
- the fixture connecting portion 8 is provided on the outer surface of the side wall 5a (side wall portion) and the bottom surface portion 5i.
- the fixture connecting portion 8 has a fitting surface 8a formed with a protrusion 8b in the center and a pair formed along the pair of opposite side edges of the fitting surface 8a (in the z direction in the figure).
- the clamping part 8c is provided.
- the sandwiching portion 8c is an example of the “third groove” in the present invention.
- FIG. 9 is a schematic view showing a method of fixing the power storage unit of this embodiment to another member. A method of fixing the power storage unit to another member will be described with reference to FIG.
- the fixture connecting portion 8 has the above-described configuration
- the fixture 9 having a flat portion as shown in FIG. 9 can be used. That is, the fixture 9 has a connection surface 9a with a support hole 9b formed in the center.
- the width of the connecting surface 9a in the y direction is substantially equal to the distance between the pair of holding portions 8c, and the thickness of the connecting surface 9a in the x direction is substantially equal to the holding width (groove width) of the holding portion 8c.
- the connecting surface 9a of the fixture 9 can be inserted between the clamping portions 8c from above while sliding the connecting surface 9a on the fitting surface 8a as shown by the arrow in the figure.
- the connection surface 9a can be easily held by the mating surface 8a and the clamping portion 8c.
- the protrusion 8b is formed on the fitting surface 8a and the support hole 9b is formed on the connecting surface 9a
- the connecting surface 9a and the fitting surface At least one of 8a is elastically deformed, but the elastic deformation is returned to the original by storing the protrusion 8b in the support hole 9b.
- the connection surface 9a becomes difficult to come off from the fixture connecting portion 8, the fixture 9 can be more firmly fixed to the fixture connecting portion 8.
- a gap 5f is provided between the guide wall 5b in which the guide groove 5c is formed and the side wall 5a.
- the guide groove 5d is formed further on the bottom surface portion 5i side than the inner surface of the side wall 5a facing the fixture connecting portion 8.
- the connection surface 9a can be easily inserted in the fixture connection part 8.
- the sandwiching portion 8c of the present embodiment is open at both ends in the vertical direction (z direction), the fixture 9 can be fitted from either the top or the bottom. Mounting flexibility can be increased.
- the configuration of the present invention is not limited to this, and is formed directly on the inner surface of the side wall 5a having a certain thickness. May be. That is, the guide groove 5 c can be formed on the inside of the case 5 as long as it is a pair of surfaces facing each other.
- the configuration provided in the guide wall 5b is preferable in providing the fixture connecting portion 8 because the gap 5f can be easily formed as described above.
- FIG. 10 is a partial perspective view showing the vicinity of the opening 15j and the lid 16 of the case 15 of the electricity storage unit in another embodiment of the present invention.
- FIG. 11 is a partial cross-sectional view on the side of the opening 15j, showing a power storage unit according to another embodiment of the present invention cut along the cutting line DD in FIG.
- the lid 16 is accommodated in the opening 15 i of the case 15.
- flanges 15k and 15m protruding outward from the lid 16 are formed at the ends of the side walls 15a and 15h on the opening 15j side.
- cover 16 and the case 15 can be arrange
- the length of the flanges 15k and 15m is 10 mm or less, preferably about 4 mm.
- the power storage unit has a raised portion 16 c around the through hole 16 a on the outer surface of the lid 16. Thereby, when a water droplet flows along the outer surface of the lid 16, it is possible to prevent the water droplet from entering the case 15 from the through hole 16 a.
- FIG. 12 is a partial front view of a power storage unit according to another embodiment of the present invention.
- a gap 15n is formed between the lid 16 and the inner surface of the side wall (side walls 15a, 15h) of the case 15.
- the gap portion 15n can function as a discharge hole.
- unnecessary foreign matter is likely to enter.
- the maximum opening width of the gap portion 15n can be set to 10 mm or less (for example, about 2 mm), and the shape can be appropriately selected from a substantially circular shape, a substantially triangular shape, and the like.
- a through hole may be formed in the lid 16 instead of cutting out a part of the lid 16 as described above.
- the gap 15n is preferably formed at a position along the inner surface of the side wall (side walls 15a, 15h) of the case 15, but in particular, when the case 15 has a rectangular tube shape, It is preferable to be provided at corners of the side wall 15a and the side wall 15h.
- the electricity storage unit of the present invention can reduce the boundary (seam) with the lid appearing on the outer surface of the case, it is possible to prevent foreign matter from entering the case. Thereby, it can suppress that an electrical storage unit fails by the penetration
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
1a 外装容器
1b 封口材
1c 外部端子
2 ホルダー
2a 収容室
2b、2c 固定爪
2d 端子支持部
2e 鍔部(側端部)
2f 鍔部(突出部)
2g、2h 基板支持部
3 制御基板
4 コネクタ(外部接続端子)
5、15 ケース
5a、5h、15a、15h 側壁
5b ガイド壁
5c ガイド溝(第1の溝)
5d ガイド溝(第2の溝)
5e 凹部
5f 空隙
5g 蓋収容部
5i 底面部
5j、15j 開口部
6、16 蓋
6a、16a 貫通孔
6b ビス孔
7 ビス
8 固定具接続部
8a 嵌合面
8b 突起
8c 挟持部(第3の溝)
15k、15m 庇部
15n 隙間部
16c 隆起部
16d 切欠部
Claims (13)
- 蓄電装置と、
前記蓄電装置を保持するホルダーと、
筒状の側壁部と前記側壁部の一方の端部を閉じた底面部とを有し、前記側壁部の他方の端部に開口部が形成されたケースと、
前記開口部を覆う蓋と、を備え、
前記ケース内には、前記蓄電装置と前記ホルダーとが収容されており、
前記蓋は、少なくとも一部が前記ケース内に挿入されている、
蓄電ユニット。 - 前記蓋は、前記開口部内に収容され、
前記側壁部の前記他方の端部には、前記蓋より外側に突出した庇部が形成されている、
請求項1に記載の蓄電ユニット。 - 前記蓋と前記側壁部の内面との間に、隙間部が形成されている、
請求項1または2に記載の蓄電ユニット。 - 前記蓄電装置と電気的に接続された配線が形成された制御基板を備え、
前記ケース内において、前記制御基板は、前記底面部および前記開口部が対向する第1の方向と平行に収容されている、
請求項1~3のいずれか1つに記載の蓄電ユニット。 - 前記制御基板上に、前記配線と電気的に接続された外部接続端子を備え、
前記蓋は、貫通孔を有し、
前記外部接続端子は、前記貫通孔を通って前記ケースの外部へ露出している、
請求項4に記載の蓄電ユニット。 - 前記蓋の外面上の前記貫通孔の周囲には、隆起部が設けられている、
請求項5に記載の蓄電ユニット。 - 前記ホルダーは、前記制御基板に固定され、
前記制御基板は、互いに対向する一対の側端辺が前記ケース内に当接することにより前記ケース内に支持され、
前記底面部と対向する前記ホルダーの後端部は、前記底面部の内面に当接することにより前記ケース内に支持されている、
請求項4に記載の蓄電ユニット。 - 前記ケース内には、前記第1の方向へ延びる一対の第1の溝が形成され、
前記第1の溝の中には、前記制御基板の前記側端辺の一部が挿入されている、
請求項7に記載の蓄電ユニット。 - 前記ケース内には、前記第1の方向へ延びる一対の第2の溝が形成され、
前記第2の溝の中には、前記ホルダーの側端部の一部が挿入されている、
請求項7または8に記載の蓄電ユニット。 - 前記ホルダーの前記後端部には、突出部が設けられ、
前記底面部の内面上には、前記突出部を挟持する凹部が設けられている、
請求項7~9のいずれか1つに記載の蓄電ユニット。 - 前記凹部と前記突出部との固定強度より、前記ホルダーと前記制御基板との固定強度の方が高い、
請求項10に記載の蓄電ユニット。 - 前記ケースの前記側壁部および前記底面部の少なくとも外面の一部上には、固定具接続部が設けられ、
前記固定具接続部は、突起部が形成された嵌合面と、前記嵌合面の互いに対向する一対の側端辺に沿って形成された一対の第3の溝とを含む、
請求項1~11のいずれか1つに記載の蓄電ユニット。 - 前記嵌合面と対向する前記ケースの内面と、前記第1の溝および前記第2の溝の少なくとも一方との間には、空隙が設けられている、
請求項12に記載の蓄電ユニット。
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CN201580071461.0A CN107112142B (zh) | 2015-01-08 | 2015-11-02 | 蓄电单元 |
DE112015005910.5T DE112015005910T5 (de) | 2015-01-08 | 2015-11-02 | Elektrizitätsspeichereinheit |
JP2016568168A JP6596673B2 (ja) | 2015-01-08 | 2015-11-02 | 蓄電ユニット |
US15/622,306 US10192691B2 (en) | 2015-01-08 | 2017-06-14 | Electricity storage unit |
US16/224,436 US10529499B2 (en) | 2015-01-08 | 2018-12-18 | Electricity storage unit |
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JP (1) | JP6596673B2 (ja) |
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Cited By (3)
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US11682810B2 (en) | 2018-03-27 | 2023-06-20 | Panasonic Intellectual Property Management Co., Ltd. | Power storage module |
WO2023166954A1 (ja) * | 2022-03-01 | 2023-09-07 | 住友電装株式会社 | 蓄電ユニット |
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JP6413637B2 (ja) * | 2014-10-30 | 2018-10-31 | 株式会社オートネットワーク技術研究所 | 蓄電ユニット |
CN110364364B (zh) * | 2015-01-08 | 2021-08-17 | 松下知识产权经营株式会社 | 蓄电单元以及蓄电模块 |
JP2019134044A (ja) * | 2018-01-30 | 2019-08-08 | トヨタ自動車株式会社 | コンデンサモジュール |
CN109346324A (zh) * | 2018-11-28 | 2019-02-15 | 铜陵市新洲电子科技有限责任公司 | 一种具有多层防爆结构的低压并联电容器 |
JP7335100B2 (ja) * | 2019-06-21 | 2023-08-29 | 本田技研工業株式会社 | 蓄電モジュール |
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US20190139712A1 (en) | 2019-05-09 |
US10192691B2 (en) | 2019-01-29 |
JPWO2016110886A1 (ja) | 2017-10-19 |
CN110364364B (zh) | 2021-08-17 |
CN107112142A (zh) | 2017-08-29 |
CN110364364A (zh) | 2019-10-22 |
DE112015005910T5 (de) | 2017-09-21 |
JP6596673B2 (ja) | 2019-10-30 |
CN107112142B (zh) | 2019-09-06 |
US10529499B2 (en) | 2020-01-07 |
US20170278645A1 (en) | 2017-09-28 |
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