CN106953134A - Electrical storage device - Google Patents

Electrical storage device Download PDF

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Publication number
CN106953134A
CN106953134A CN201610908003.4A CN201610908003A CN106953134A CN 106953134 A CN106953134 A CN 106953134A CN 201610908003 A CN201610908003 A CN 201610908003A CN 106953134 A CN106953134 A CN 106953134A
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CN
China
Prior art keywords
opposed portion
extension
pair
charge storage
storage element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610908003.4A
Other languages
Chinese (zh)
Other versions
CN106953134B (en
Inventor
西村洋介
岁冈芳昌
川田政夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
GS Yuasa International Ltd
Original Assignee
Honda Motor Co Ltd
GS Yuasa International Ltd
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 Honda Motor Co Ltd, GS Yuasa International Ltd filed Critical Honda Motor Co Ltd
Publication of CN106953134A publication Critical patent/CN106953134A/en
Application granted granted Critical
Publication of CN106953134B publication Critical patent/CN106953134B/en
Active legal-status Critical Current
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Classifications

    • 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
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • 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
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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

Abstract

The present invention relates to a kind of electrical storage device, its electrical storage device for being difficult to leak into outside for cooling wind, the cooling wind is used to supply to the ventilation path being formed between charge storage element.In the present embodiment, electrical storage device is characterised by, is possessed：At least one charge storage element；Dividing plate, it is the dividing plate abutted with charge storage element, and the ventilation path that cooling wind energy enough circulates is formed between charge storage element at it；The proximal position of the charge storage element led in the position towards ventilation path and the cooling airflow in ventilation path on direction, dividing plate has with clipping the charge storage element and the opposed opposed portion of adjacent dividing plate, the opposed portion configured in a pair of opposed portion opposite each other of the intermediate member of charge storage element both sides has the extension extended towards another opposed portion in a pair of opposed portion, and extension connects with another opposed portion.

Description

Electrical storage device
Technical field
The present invention relates to the electrical storage device for possessing charge storage element.
Background technology
For the various machines such as electric automobile, the power supply of Large Copacity is necessary, thus using possessing multiple charge storage elements Electrical storage device.As shown in Figure 13~Figure 15, this electrical storage device possesses：Charge storage element 50, with charge storage element 50 abut every Plate 51.The dividing plate 51 is configured with charge storage element 50 in its both sides, and formation cooling wind energy is reached between adjacent charge storage element 50 The ventilation path 510 of circulation.In addition, in the position towards ventilation path 510 and between adjacent charge storage element 50 is formed at The proximal position for the charge storage element 50 that cooling airflow in ventilation path 510 leads on direction, dividing plate 51 has with clipping charge storage element 50 and the opposed portion opposed with adjacent dividing plate 51.
In the charge storage element 5, formed between the mutual opposed portion 511 of dividing plate 51 for being configured at the both sides of charge storage element 50 There is gap 514, the ora terminalis 512 of the gap 514 from the side of ventilation path 510 of opposed portion 511 is extended to and the opposite side of ventilation path 510 Ora terminalis 513.Therefore, when being supplied to ventilation path 510 for cooling down the cooling wind of charge storage element 50, a part for cooling wind is led to Cross the gap and the cooling of the outside, the thus charge storage element 50 in electrical storage device 5 of electrical storage device 5 is leaked into from ventilation path 514 Effect declines.
Prior art literature
Patent document
Patent document 1：(Japan) JP 2010-157450 publications
The content of the invention
Invent problem to be solved
Therefore, in view of the above problems, problem of the invention is that the electric power storage for being difficult to leak into outside there is provided cooling wind is filled Put, the cooling wind is supplied to the ventilation path being formed between charge storage element.
Means for solving the problems
The electrical storage device of the present invention is characterised by possessing：
At least one charge storage element；
Dividing plate, it is the dividing plate abutted with the charge storage element, and cooling wind energy is formed between the charge storage element at it The ventilation path enough circulated；
The position towards the ventilation path and also in the ventilation path cooling wind circulating direction on it is described Charge storage element adjoining position, the dividing plate has with clipping the charge storage element and the opposed opposed portion of adjacent dividing plate,
Configure the opposed portion tool in a pair of opposed portion opposite each other of the dividing plate of the both sides of the charge storage element There is the extension towards another opposed portion extension in the pair of opposed portion,
The extension connects with another described opposed portion.
According to the structure, by the extension for extending to another opposed portion from an opposed portion between a pair of opposed portion Portion, can hinder air between the opposed portion from opposed portion ventilation trackside ora terminalis frontage and airiness road opposite side ora terminalis Flowing.Thereby, it is possible to suppress to cool down outside of the wind by leaking into electrical storage device between a pair of opposed portion.
In the electrical storage device, alternatively,
Another described opposed portion has relative to first direction and the inclined inclined plane of second direction, and the first direction is The pair of opposed portion direction opposite each other, the second direction is the direction orthogonal with the circulating direction of the cooling wind,
The extension connects with least a portion of the inclined plane.
According to the structure, extension connects with inclined plane so that extension and the contact site of inclined plane are along with second The direction extension that direction intersects.Thus, it is possible to more effectively hinder ventilation trackside of the air from opposed portion between the opposed portion Ora terminalis frontage and airiness road opposite side ora terminalis flowing.
In the electrical storage device, it is preferable that
The extension being capable of elastic deformation by the contact with the inclined plane.
According to the structure, extension can be along inclined plane elastic deformation, even if thus because the reasons such as foozle make The mutual narrower intervals of opposed portion, the variation at the interval can also be absorbed by the elastic deformation.Even if that is, opposed portion Mutual interval narrows due to foozle etc., and extension can also be along bearing surface elastic deformation, so as to maintain and inclined plane The state connected.
In the electrical storage device, it is preferable that
Another described opposed portion has inclined plane described in a pair,
The pair of inclined plane is relative in the second direction interval, with right each other along the pair of opposed portion The direction put is left and narrower intervals from one opposed portion,
One opposed portion has extension described in a pair in the position opposed with the pair of inclined plane,
The pair of extension is arranged in the second direction interval, and the front end in a pair of extensions is mutual Interval interval more mutual than the inclined plane of the end in one opposed portion side in the pair of inclined plane is small, and compares The mutual interval of the inclined plane of the end of the opposite side in one opposed portion in the pair of inclined plane is big.
According to the structure, a pair of extensions are narrower with the mutual interval of opposed portion, and the front end of a pair of extensions is mutual Interval narrower mode elastic deformation due to a pair of angled face, thus the active force change for restoring the mutual interval of opposed portion By force.So, adjacent dividing plate turns into due to elastomer each other can be equal to the state of link, thus in electrical storage device The resistance of vibration is improved.
In the electrical storage device, alternatively,
One opposed portion has multiple extensions,
Another described opposed portion has the inclined plane of quantity corresponding with multiple extensions.
According to the structure, by multiple extensions, ventilation of the air from opposed portion between a pair of opposed portion can be hindered The flowing of the ora terminalis of the opposite side on the ora terminalis frontage and airiness road of trackside.Thereby, it is possible to more effectively suppress cooling wind by a pair The outside of electrical storage device is leaked between opposed portion.
In the electrical storage device,
The extension has relative to first direction and the inclined inclined plane of second direction, and the first direction is described one The direction opposite each other to opposed portion, the second direction is the direction orthogonal with the circulating direction of the cooling wind,
Another described opposed portion connects with least a portion of the inclined plane of the extension.
According to the structure, extension connects with inclined plane so that the inclined plane of extension and the contact site edge of opposed portion The direction intersected with second direction to extend.Thus, it is possible to more effectively hinder air between the opposed portion from opposed portion The flowing of the ora terminalis of the opposite side on the ora terminalis frontage and airiness road of ventilation trackside.
In the electrical storage device, alternatively,
The extension has the first inclined plane inclined relative to first direction and second direction, and the first direction is institute A pair of opposed portion direction opposite each other is stated, the second direction is the direction orthogonal with the circulating direction of the cooling wind,
Another described opposed portion has the second inclined plane inclined relative to first direction and second direction, the first party To being the pair of opposed portion direction opposite each other, the second direction is the side orthogonal with the circulating direction of the cooling wind To,
First inclined plane connects with least a portion of second inclined plane.
According to the structure, extension (the first inclined plane) connects with another described opposed portion (the second inclined plane) so that The contact site of first inclined plane and the second inclined plane extends along with the direction that second direction is intersected.With this, can be more effective Ground hinder air between the opposed portion from opposed portion ventilation trackside ora terminalis frontage and airiness road opposite side ora terminalis stream It is dynamic.
In the electrical storage device, in the case of provided with first inclined plane and second inclined plane, it is preferable that
Second inclined plane is met relative to the angle [alpha] of first inclined plane：0 ° of ＜ α.
, may be due to system between the first inclined plane and the second inclined plane if the first inclined plane is parallel with the second inclined plane Foozle when making dividing plate and produce gap.But, such as above-mentioned structure, if angle [alpha] is more than 0 °, i.e. the first inclined plane and second Inclined plane is not parallel, then is prevented from producing gap due to the foozle.
In the electrical storage device, it is preferable that
The whole region of another opposed portion described on the circulating direction of the cooling wind, the extension is another with this One opposed portion contact.
According to the structure, the whole region between opposed portion on the circulating direction of cooling wind can hinder air to exist Between the opposed portion from opposed portion ventilation trackside ora terminalis frontage and airiness road opposite side ora terminalis flowing.Thereby, it is possible to More effectively suppress to cool down outside of the wind by leaking into electrical storage device between a pair of opposed portion.
Invention effect
By above-mentioned, it is difficult to leak into outside electrical storage device, the cooling wind in accordance with the invention it is possible to provide a kind of wind that cools down Supply to the ventilation path being formed between charge storage element.
Brief description of the drawings
Fig. 1 is the stereogram of the electrical storage device according to an embodiment of the invention.
Fig. 2 is the stereogram of the charge storage element of the electrical storage device according to same embodiment.
Fig. 3 is the front view of the charge storage element of the electrical storage device according to same embodiment.
Fig. 4 is the exploded perspective view of the electrical storage device according to same embodiment.
Fig. 5 is the stereogram of internal partition, outer bulkhead and the charge storage element of the electrical storage device according to same embodiment.
Fig. 6 is the side view of charge storage element according to the electrical storage device of same embodiment and dividing plate.
Fig. 7 is the enlarged drawing of the electrical storage device according to same embodiment, is the enlarged drawing of the region VII in Fig. 6.
Fig. 8 is the enlarged drawing of the electrical storage device according to same embodiment, is the enlarged drawing of the region VIII in Fig. 6.
Fig. 9 is the enlarged drawing of the electrical storage device according to same embodiment, is the enlarged drawing of the region IX in Fig. 6.
Figure 10 is the enlarged drawing for the electrical storage device for being related to the other embodiment of the present invention.
Figure 11 is the skeleton diagram for being illustrated to the state that pipeline is provided with electrical storage device.
Figure 12 is the outline illustrated for the flowing of the cooling wind in the state of to being provided with pipeline in electrical storage device Figure.
Figure 13 is the side view of existing electrical storage device.
Figure 14 is the enlarged drawing of existing electrical storage device, is the enlarged drawing in the region near the opposed portion in dividing plate.
Figure 15 is the exploded perspective view of existing electrical storage device.
Description of reference numerals
1 ... charge storage element, 2 ... dividing plates, 2A ... internal partitions, 2B ... outer bulkheads, 3 ... holding members, 4 ... insulators, 5 ... seal members, 6 ... pipelines, 10 ... housings, 11 ... outside terminals, 20 ... base portions, 20A ... base portions, 20B ... base portions, 21A ... Limiting unit, 21B ... limiting units, 22B ... fitting portions, 23B ... axle portions, 30 ... end fittings, 31 ... frameworks, the frameworks of 31A ... first, The frameworks of 31B ... second, 40 ... first insulation divisions, 41 ... second insulation divisions, 42 ... the 3rd insulation divisions, 100 ... housing bodies, 100a ... closures, 100b ... bodies, the walls of 100c ... first, the walls of 100d ... second, 101 ... cover plates, 200A ... first are abutted Portion, 200B ... protuberances (inner contact), the abutting parts of 201A ... second, 201B ... connection parts, 202A ... connection parts, 202B ... Ventilation path, 203A ... ventilation path, the margining tablets of 210A ... first, the margining tablets of 210B ... first, the margining tablets of 211A ... second, 211B ... Second margining tablet, 212A ... extensions, 212B ... extensions, 213A ... inclined planes (inclined plane of extension), 213B ... are tilted Face (inclined plane of extension), 214A ... extended surfaces, 214B ... extended surfaces, 215A ... bearing surfaces, 215B ... bearing surfaces, 216A ... Inclined plane, 216B ... inclined planes, 217A ... recesses, 217B ... recesses, 300 ... pressure contact portions, 300a ... patchholes, 300b ... insertions Hole, 310 ... first connecting portions, 311 ... second connecting portions, 312 ... supports, the supports of 312a ... first, 312b ... second Bearing portion, 313 ... fixed parts, the fixed parts of 313a ... first, the fixed parts of 313b ... second, the hole portions of 313c ... first, 313d ... second Hole portion, α ... angles
Embodiment
Hereinafter, an embodiment referring to the drawings to the electrical storage device of the present invention is illustrated.In addition, present embodiment The title of each component be title in present embodiment, there is a situation where different from the title of each component in background technology.
As shown in figure 1, electrical storage device possesses：Charge storage element 1, the dividing plate 2 adjacent with the charge storage element 1, by charge storage element 1 And dividing plate 2 remains the holding member 3 of an entirety.Holding member 3 is formed by conductive material.Also, electrical storage device possesses absolutely Edge body 4, insulator 4 is configured between charge storage element 1 and holding member 3.
As shown in Figures 2 and 3, charge storage element 1 possesses：Electrode body comprising positive pole and negative pole, the housing for storing electrode body 10th, it is configured at a pair of outer terminal 11 on the outer surface of housing 10.
Housing 10 has housing body 100 and cover plate 101, and housing body 100 has opening, the closure shell master of cover plate 101 The opening of body 100, is configured with a pair of outer terminal 11 on the outer surface of cover plate 101.
Housing body 100 possesses the body 100b of closure 100a (reference picture 3) and tubular, and body 100b is to surround Closure 100a mode, is connected with closure 100a periphery.
Body 100b possess a pair of first wall 100c and a pair of second wall 100d, a pair of first wall 100c intervals and Opposite one another, a pair of second wall 100d clip a pair of first wall 100c and opposite one another.
First wall 100c and the second wall 100d are respectively formed as rectangle.That is, the first wall 100c and the second wall 100d are respective Surface is tabular surface, constitutes the region of quadrilateral shape.First wall 100c and the second wall 100d are in the state of ora terminalis is mutually butted It is adjacent to.Also, the ora terminalis of the first adjacent wall 100c and the second wall 100d ora terminalis are connected in total length each other.Thus, Body 100b is formed as rectangular drum like.Body 100b one end is closed portion 100a closings.On the other hand, body 100b Another end opening.In the housing 10, the opening is closed by cover plate 101.
In the present embodiment, the first wall 100c the second wall of surface area ratio 100d surface area is big.Also, body 100b is formed as flattened rectangular tubular.
Multiple charge storage elements 1 are possessed according to the electrical storage device of present embodiment.Multiple difference of charge storage elements 1 are in the same direction Arrangement.In the present embodiment, multiple charge storage elements 1 make the first wall 100c of housing 10 be arranged towards same direction respectively.Store Electric installation possesses busbar, and the outside terminal 11 of two adjacent charge storage elements 1 is electrically connected to each other by the busbar.
In addition, in the following description, for convenience, the orientation (first direction) of charge storage element 1 is referred to as into X-axis side To.In addition, by two orthogonal and mutually orthogonal with the orientation (X-direction) of charge storage element 1 respectively direction of principal axis One direction (second direction) is referred to as Z-direction, and a remaining direction is referred to as into Y direction.Also, in the drawings, make Orthogonal three axle (reference axis) corresponding with X-direction, Y direction, Z-direction difference has been illustrated for auxiliary.
Dividing plate 2 has insulating properties.Dividing plate 2 has base portion and the limiting unit, (body of housing 10 of the base portion and charge storage element 1 Portion 100b the first wall 100c) it is adjacent, the limiting unit prevents the position deviation of the charge storage element 1 adjacent with the base portion.
More specific description is carried out to dividing plate 2.As described above, electrical storage device possesses multiple charge storage elements 1.Also, such as Fig. 4 institutes Show, electrical storage device possesses two kinds of dividing plates 2 (2A, 2B).That is, as dividing plate 2, electrical storage device possesses：It is configured at two charge storage elements 1 Between dividing plate (hereinafter referred to as internal partition) 2A, adjacent most by the charge storage element 1 of end with multiple charge storage elements 1 Dividing plate (hereinafter referred to as outer bulkhead) 2B.
First, internal partition 2A is illustrated.As shown in figure 5, internal partition 2A has base portion 20A, limiting unit 21A, Base portion 20A is adjacent with charge storage element 1 (the first wall 100c of housing body 100), and limiting unit 21A prevents adjacent with base portion 20A Two charge storage elements 1 position deviation.
Internal partition 2A base portion 20A is pressed from both sides between two charge storage elements 1.Therefore, dividing plate 2A base portion 20A has the Simultaneously with first face opposite side the second face, 1 pair of a charge storage element in first face and two neighboring charge storage element 1 Put, second face is opposed with another charge storage element 1 in described two charge storage elements 1.
Internal partition 2A base portion 20A has the second end of first end and the opposite side of the first end, first end configuration In the corresponding position of cover plate 101 with charge storage element 1, second end is configured corresponding with the closure 100a of charge storage element 1 Position.In addition, internal partition 2A base portion 20A has the 4th end of the opposite side at the 3rd end and the 3rd end, the 3rd end is matched somebody with somebody Put in position corresponding with charge storage element 1 second wall 100d, the configuration of the 4th end with charge storage element 1 another the The corresponding positions of two wall 100d.
Internal partition 2A base portion 20A has：It is connected with base portion 20A first end and part i.e. first jiao at the 3rd end Portion, part i.e. the second corner for being connected with first end and the 4th end.In addition, internal partition 2A base portion 20A has：It is connected with The part at two ends and the 3rd end is third corner, is connected to the second end and the part i.e. fourth angle portion at the 4th end.
In addition, internal partition 2A base portion 20A first end and the second end extend along Y direction.Moreover, internal partition 2A Base portion 20A the 3rd end and the 4th end extend along Z-direction.Therefore, internal partition 2A base portion 20A is formed as a generally rectangular Shape.In addition, internal partition 2A base portion 20A is formed with the size roughly equal with the first wall 100c of charge storage element 1.
In the electrical storage device of present embodiment, internally dividing plate 2A base portion 20A the first face and charge storage element 1 it Between, between internal partition 2A base portion 20A the second face and charge storage element 1 in either one, be formed with for making fluid (cooling With fluid) ventilation path that passes through.
More specifically illustrate.Internal partition 2A base portion 20A is formed as square wave shape.In the storage of present embodiment In electric device 1, internal partition 2A base portion 20A has the first abutting part 200A and the second abutting part 201A, the first abutting part 200A is only abutted with a charge storage element 1 in two adjacent charge storage elements 1, the second abutting part 201A only with adjacent two Another charge storage element 1 in charge storage element 1 is abutted.Also, internal partition 2A base portion 20A has connection part 202A, connection Portion 202A is connected with the first abutting part 200A and the second abutting part 201A.
First abutting part 200A long side is in the Y-axis direction.Second abutting part 201A long side is in the Y-axis direction.
Internal partition 2A base portion 20A has multiple first abutting part 200A and multiple second abutting part 201A.Moreover, each First abutting part 200A and each second abutting part 201A side that internally dividing plate 2A base portion 20A first end is arranged with the second end It is alternately arranged upwards.
Thus, as shown in fig. 6, in electrical storage device, ventilation path 203A is supported by the first abutting part 200A with charge storage element 1 The face of the opposite side in the face connect, a pair of connection part 202A being connected with the first abutting part 200A and formed.In addition, in electrical storage device In, ventilation path 203A by the second abutting part 201A and the opposite side in face that charge storage element 1 is abutted face, with the second abutting part Connected 201A a pair of connection part 202A and formed.Therefore, in electrical storage device, internally the first of dividing plate 2A base portion 20A Between face and charge storage element 1 and internal partition 2A base portion 20A the second face and charge storage element 1 between respectively formed cool down The ventilation path 203A that wind energy enough circulates.
As described above, internal partition 2A configurations are between two adjacent charge storage elements 1.Therefore, internal partition 2A, which possesses, answers Two limiting unit 21A that the relative movement of this pair two charge storage elements 1 adjacent with internal partition 2A is limited, it is described two Limiting unit 21A is towards limiting unit 21A, the court that the charge storage element 1 adjacent with internal partition 2A base portion 20A the first face extends The limiting unit 21A that the charge storage element 1 adjacent with internal partition 2A base portion 20A the second face extends.
More specifically illustrate.As shown in figure 5, limiting unit 21A forms each angle of dividing plate 2A base portion 20A internally Portion.
Each limiting unit 21A has：The first margining tablet 210A being connected along the outer rim that Z-direction extends with base portion 20A, with Second margining tablet 211A, the first margining tablet 210A of the base portion 20A outer rim extended along Y direction connection is from base portion 20 along X Direction of principal axis extends, and the second margining tablet 211A extends from base portion 20A along X-direction.
It is formed at the limiting unit 21A in the first corner the first margining tablet 210A and base portion 20A three-terminal link.It is formed at The limiting unit 21A in the first corner the second margining tablet 211A is connected with base portion 20A first end.
The the first margining tablet 210A for being formed at the limiting unit 21A in the second corner is connected with base portion 20A the 4th end.It is formed at The limiting unit 21A in the second corner the second margining tablet 211A is connected with base portion 20A first end.
It is formed at the limiting unit 21A of third corner the first margining tablet 210A and base portion 20A three-terminal link.It is formed at The limiting unit 21A of third corner the second margining tablet 211A is connected with base portion 20A the second end.
The the first margining tablet 210A for being formed at the limiting unit 21A in fourth angle portion is connected with base portion 20A the 4th end.It is formed at The limiting unit 21A in fourth angle portion the second margining tablet 211A is connected with base portion 20A the second end.
As described above, internal partition 2A possesses：The limit extended towards the charge storage element 1 adjacent with its base portion 20A the first face Portion 21A processed, the limiting unit 21A extended towards the charge storage element 1 adjacent with internal partition 2A base portion 20A the second face.Therefore, In each internal partition 2A, a pair of limiting unit 21A the first margining tablet 210A respectively constitutes in the X-axis direction two neighboring (Japanese：Taels O) opposed portion opposed on dividing plate 2.
Opposed portion 210A configurations are in the position towards ventilation path 203A and the logical side of the cooling airflow in ventilation path 203A Upwards with the adjoining position of charge storage element 1.In addition, opposed portion 210A is configured in the way of forming a line in the X-axis direction.
As shown in fig. 7, internally in dividing plate 2A, opposed portion 210A is in a side side of X-direction via charge storage element 1 and phase Adjacent internal partition 2A opposed portion 210A connects.
More specifically illustrate.One opposed portion 210A has extension 212A, and extension 212A is from the opposed portion 210A extends to a side side of X-direction.In addition, another opposed portion 210A has the inclined plane for being formed at opposed portion 210A Opposed portion 210A 216A, inclined plane 216A adjacent with the opposing party side in X-direction extension 212A connects.
Opposed portion 210A adjacent with the side in X-direction extension 212A inclined plane 216A connects.In addition, extension Portion 212A has the face that the opposed portion 210A adjacent with the side in X-direction inclined plane 216A at least a portion connects.
The extension 212A of present embodiment has inclined plane 213A, inclined plane 213A and side's phase in X-direction Adjacent opposed portion 210A inclined plane 216A is opposite in Z-direction.In addition, extension 212A has from inclined plane 213A along X-axis The extended surface 214A that direction extends straight.
Inclined plane 213A is relative to X-direction, the inclined face in the respective direction of both Z-directions.Extended surface 214A It is the face along X-direction and Y direction extension.
Therefore, in opposed portion 210A extension 212A, with the inclined plane in the adjacent opposed portion 210A of X-direction The half-way bending of the face that 216A at least a portion connects in the X-axis direction.In addition, in the present embodiment, exist by The situation of following explanation is carried out as bearing surface 215A comprising the face including inclined plane 213A and extended surface 214A.
And then, in the opposed portion 210A of present embodiment, a pair of extension 212A are configured in Z-direction interval. In Z-direction, a pair of extension 212A make mutual bearing surface 215A configure in the opposite direction respectively.In addition, a pair Extension 212A difference is flexible.
(relative to a pair of opposed portion 210A are opposed relative to X-direction, Z-direction by opposed portion 210A inclined plane 216A Direction, cool down the orthogonal direction in the respective direction of both circulating directions of wind) tilt.That is, opposed portion 210A inclined plane 216A is formed as relative to the planar tilt extended along X-direction and along Y direction, and extended straight along Y direction.
The inclined plane 216A of present embodiment is formed from another a first margining tablet 210A recess 217A part Constitute, recess 217A is towards in the adjacent opposed portion 210A openings of X-direction.Therefore, opposed portion 210A has in Z-direction Interval and opposed pairs inclined plane 216A.
In X-direction, a pair of angled face 216A is arranged respectively at each extension 212A arrangements with a pair of extension 212A Position.
A pair of angled face 216A is formed as at the adjacent opposed portion 210A of X-direction and mutual interval becoming with leaving It is narrow.
In addition, in opposed portion 210A, the part of the open side of the recess 217A in each inclined plane 216A is respectively with each other Interval more than a pair of extension 212A leading section it is mutual interval (the mutual intervals of bearing surface 215A) mode arrange.
Further, in opposed portion 210A, the bottom of the recess 217A in a pair of angled face 216A each inclined plane 216A The part of surface side is less than the mutual interval (bearing surface in end of a pair of extension 212A front with mutual interval respectively The mutual intervals of 215A) mode arrange.
Then, outer bulkhead 2B is illustrated.As shown in figure 5, outer bulkhead 2B has：With with (the shell of charge storage element 1 First wall 100c of phosphor bodies 100) opposed the first face and first face opposite side the second face base portion (hereinafter referred to as base Portion) 20B, determine the charge storage element 1 adjacent with base portion 20B position limiting unit (hereinafter referred to as limiting unit) 21B.
The outer bulkhead 2B of present embodiment base portion 20B is opposed with the end fitting described later 30 of holding member 3.That is, Outer bulkhead 2B is configured between charge storage element 1 and end fitting 30 (reference picture 4).
Also, in the position that base portion 20B is opposed with end fitting 30, outer bulkhead 2B has chimeric with end fitting 30 Fitting portion 22B.That is, outer bulkhead 2B has the fitting portion 22B for being used for determining position of the end fitting 30 relative to base portion 20B, Fitting portion 22B is formed at base portion 20B the second face.In addition, outer bulkhead 2B have be used for determine end fitting 30 relative to The axle portion 23B of base portion 20B position, axle portion 23B are protruded from base portion 20B the second face.
Outer bulkhead 2B base portion 20B extends along Y direction and Z-direction.That is, base portion 20B is formed as tabular.It is outside every Plate 2B base portion 20B has the second end of the opposite side of first end and the first end, first end configuration with charge storage element 1 The corresponding position of cover plate 101, second end is configured in position corresponding with the closure 100a of charge storage element 1.In addition, it is outside every Plate 2B base portion 20B has the 4th end of the opposite side at the 3rd end and the 3rd end, the configuration of the 3rd end with charge storage element 1 The corresponding positions of one the second wall 100d, the 4th end is configured in position corresponding with another second wall 100d of charge storage element 1 Put.
Outer bulkhead 2B base portion 20B has：It is connected with part i.e. first corner at first end and the 3rd end, is connected with The part at one end and the 4th end is the second corner.In addition, outer bulkhead 2B base portion 20B has：It is connected with the second end and the 3rd The part at end is third corner, is connected to the second end and the two parts i.e. fourth angle portion at the 4th end.
In addition, outer bulkhead 2B base portion 20B first end and the second end extend along Y direction.Moreover, outer bulkhead 2B Base portion 20B the 3rd end and the 4th end extend along the direction orthogonal with the Z-direction.Therefore, outer bulkhead 2B base portion 20B is substantially rectangular.In addition, outer bulkhead 2B base portion 20B size and the first wall 100c of charge storage element 1 are roughly equal.
Ventilation path is formed with outer bulkhead 2B base portion 20B the first face, the ventilation path is used to make fluid in the base portion Pass through between 20B the first face and charge storage element 1.
More specifically illustrate.Outer bulkhead 2B, which has from the first of base portion 20B, face toward the prominent of the protrusion of charge storage element 1 Go out portion 200B, protuberance 200B (hereinafter referred to as inner contact) is abutted with the charge storage element 1.Inner contact 200B from this The first of base portion 20B face toward housing 10 (the first wall 100c of the housing body 100) extension of charge storage element 1.
Inner contact 200B long side is in the Y-axis direction.As shown in fig. 6, the outer bulkhead 2B of present embodiment base Portion 20B has multiple inner contact 200B.Moreover, multiple inner contact 200B are respectively in direction orthogonal to the longitudinal direction It is separated from each other interval and configure.Also, outer bulkhead 2B base portion 20B has connection part 201B, connection part 201B respectively with It is connected in the adjacent protuberance 200B of Z-direction.Thus, it is formed between outer bulkhead 2B base portion 20B and charge storage element 1 Multiple ventilation path 202B that cooling wind energy enough circulates.
As described above, outer bulkhead 2B the first face is adjacent with charge storage element 1.Therefore, outer bulkhead 2B possess should pair with The limiting unit 21B that the relative movement of the adjacent charge storage element 1 in first face is limited, limiting unit 21B towards with outer bulkhead The charge storage element 1 that 2B base portion 20B the first face is adjacent extends.
More specifically illustrate.As shown in figure 5, limiting unit 21B is formed at outer bulkhead 2B base portion 20B each angle Portion.
Each limiting unit 21B has：The first margining tablet 210B being connected along the outer rim that Z-direction extends with base portion 20B, with Second margining tablet 211B, the first margining tablet 210B of the base portion 20B outer rim extended along Y direction connection is from base portion 20 along X Direction of principal axis extends, and the second margining tablet 211B extends from base portion 20B along X-direction.
It is formed at the limiting unit 21B in the first corner the first margining tablet 210B and base portion 20B three-terminal link.It is formed at The limiting unit 21B in the first corner the second margining tablet 211B is connected with base portion 20B first end.
The the first margining tablet 210B for being formed at the limiting unit 21B in the second corner is connected with base portion 20B the 4th end.It is formed at The limiting unit 21B in the second corner the second margining tablet 211B is connected with base portion 20B first end.
It is formed at the limiting unit 21B of third corner the first margining tablet 210B and base portion 20B three-terminal link.It is formed at The limiting unit 21B of third corner the second margining tablet 211B is connected with base portion 20B the second end.
The the first margining tablet 210B for being formed at the limiting unit 21B in fourth angle portion is connected with base portion 20B the 4th end.It is formed at The limiting unit 21B in fourth angle portion the second margining tablet 211B is connected with base portion 20B the second end.
As described above, outer bulkhead 2B possesses the limiting unit towards charge storage element 1 extension adjacent with base portion 20B the first face 21B.Therefore, in outer bulkhead 2B, limiting unit 21B the first margining tablet 210B respectively constitute with X-direction is adjacent Opposed portion 210A opposed portion dividing plate 2A.
Outer bulkhead 2B opposed portion 210B is configured in the position towards ventilation path 202B and in ventilation path 202B With the adjoining position of charge storage element 1 on the logical direction of cooling airflow.In addition, outer bulkhead 2B opposed portion 210B is with X-direction The mode that the upper opposed portion 210A with each internal partition 2A forms a line is configured.
As shown in fig. 6, in outer bulkhead 2B, outer bulkhead 2B opposed portion 210B with via charge storage element 1 in X-axis side Opposed portion 210A to adjacent internal partition 2A connects.
As described above, the outer bulkhead 2B of present embodiment is configured to adjacent with internal partition 2A via charge storage element 1. That is, electrical storage device possesses a pair of outer dividing plate 2B.
Therefore, as shown in figure 8, the outer bulkhead 2B of side opposed portion 210B has from the first margining tablet 210B to X-axis The extension 212B of the one side side extension in direction.
Extension 212B connects with the inclined plane 216A of the opposed portion 210A in the adjacent internal partition 2A of X-direction.Cause This, extension 212B has at least one with the inclined plane 216A of the opposed portion 210A in the adjacent internal partition 2A of X-direction The face that part connects.
The extension 212B of present embodiment has inclined plane 213B, inclined plane 213B with X-direction is adjacent Portion dividing plate 2A opposed portion 210A inclined plane 216A is opposite in Z-direction.In addition, extension 212B has from inclined plane 213B The extended surface 214B extended straight along X-direction.
Inclined plane 213B is relative to X-direction, the inclined face in the respective direction of both Z-directions.Extended surface 214B It is the face along X-direction and Y direction extension.
Therefore, in opposed portion 210B extension 212B, with the opposed portion in the adjacent internal partition 2A of X-direction The half-way bending of the face that 210A inclined plane 216A at least a portion connects in the X-axis direction.In addition, in this embodiment party In formula, there are the feelings using following explanation is carried out as bearing surface 215B comprising the face including inclined plane 213B and extended surface 214B Condition.
And then, in the present embodiment, in outer bulkhead 2B opposed portion 210B, a pair of extension 212B are in Z axis side Configured to interval.In Z-direction, a pair of extension 212B make respectively mutual bearing surface 215B in the opposite direction and Configuration.In addition, a pair of extension 212B difference are flexible.
As shown in figure 9, another outer bulkhead 2B opposed portion 210B is with adjacent with the opposing party side in X-direction The inclined plane 216B that internal partition 2A opposed portion 210A extension 212A connects, 216B is relative to X-direction for the inclined plane And Z-direction (opposed with internal partition 2A opposed portion 210A opposed portion 210B relative to outer bulkhead 2B direction, cooling The orthogonal direction in the respective direction of both circulating directions of wind) tilt.
As described above, another outer bulkhead 2B opposed portion 210B inclined plane 216B is relative to X-direction, Z-direction Both respective direction is tilted.That is, the inclined plane 216B of outer bulkhead 2B opposed portion 210B is formed as relative to along X-axis side The planar tilt extended to and along Y direction, and extended straight along Y direction.
The inclined plane 216B of present embodiment is formed from the first margining tablet 210B recess 217B part composition, should Recess 217B is open towards the opposed portion 210A in the adjacent internal partition 2A of X-direction.Therefore, outer bulkhead 2B opposed portion 210B has in Z-direction interval and opposed pairs inclined plane 216B.
In X-direction, a pair of angled face 216B is arranged respectively at respectively to be prolonged with internal partition 2A a pair of extension 212A The position of extending portion 212A arrangements.
A pair of angled face 216B is formed as with the opposed portion 210A left in the adjacent internal partition 2A of X-direction that This narrower intervals.
In addition, in outer bulkhead 2B opposed portion 210B, the portion of the open side of the recess 217B in each inclined plane 216B Divide the mutual interval in leading section (the bearing surface 215A for a pair of extension 212A for being more than internal partition 2A with mutual interval respectively Mutual interval) mode arrange.
Further, in outer bulkhead 2B opposed portion 210B, in a pair of angled face 216B each inclined plane 216B The part of recess 217B bottom surface side is less than internal partition 2A a pair of extension 212A front with mutual interval respectively End it is mutual interval (the mutual intervals of bearing surface 215A) mode formed.
In the present embodiment, holding member 3 is metal system.As shown in figure 4, holding member 3 possesses：Be arranged respectively at A pair of end fittings 30 of each outer bulkhead 2B adjacent positions, the framework 31 for connecting a pair of end fittings 30 respectively.
A pair of end fittings 30 have respectively：First face opposed with outer bulkhead 2B, the of the opposite side in first face Two faces.A pair of end fittings 30 have the pressure contact portion 300 abutted with outer bulkhead 2B base portion 20B respectively.
End fitting 30 has：Configuration with the first end of the corresponding position of cover plate 101 of charge storage element 1, the first end Opposite side the second end the second end of position corresponding with the closure 100a of charge storage element 1 (configure).In addition, terminal part Part 30 has：Configuration is in the 3rd end of position corresponding with charge storage element 1 second wall 100d, the opposite side at the 3rd end The 4th end the 4th end of position corresponding with another second wall 100d of charge storage element 1 (configure).
Also, end fitting 30 has：It is connected with part i.e. first corner at first end and the 3rd end, is connected with first end Part with the 4th end is the second corner.End fitting 30 also has：It is connected with the part i.e. the third angle at the second end and the 3rd end Portion, the part i.e. fourth angle portion for being connected to the second end and the 4th end.
Moreover, pressure contact portion 300 has the patchhole 300a formed in position corresponding with outer bulkhead 2B axle portion 23B. Pressure contact portion 300 also has multiple (being in the present embodiment four) the through hole 300b for being respectively formed at each corner.
Framework 31 has first connecting portion 310 and second connecting portion 311, and the first connecting portion 310 is across a pair of terminals Extend between part 30, configure in the corresponding position of cover plate 101 with charge storage element 1, the second connecting portion 311 is across one To between end fitting 30, configuring in position corresponding with the closure 100a of charge storage element 1.
In addition, framework 31 has the support 312 being connected with first connecting portion 310 and second connecting portion 311.
The framework 31 of present embodiment due to being connected with support 312 in first connecting portion 310 and second connecting portion 311 and Be formed as frame shaped.Also, in the electrical storage device of present embodiment, exist by with configuration in the side orthogonal with X-direction To the first connecting portion 310, second connecting portion 311, support of a side side of the charge storage element in (hereinafter referred to as Y direction) 312 part is as the first framework 31A, by the first connection of the opposing party side of the charge storage element with configuration in the Y-axis direction Portion 310, second connecting portion 311, the part of support 312 carry out following situation about illustrating as the second framework 31B.
Moreover, framework 31 has the fixed part 313 linked with end fitting 30.
First connecting portion 310 length direction have first end, the opposite side of the first end the second end.
In addition, first connecting portion 310 is bent along direction orthogonal to the longitudinal direction., will be curved in first connecting portion 310 Folding part is allocated as the corresponding position of cover plate 101 being partly arranged at charge storage element 1 of the side for border.In first connecting portion In 310, bending part is partly arranged at position corresponding with the second wall 100d of charge storage element 1 as the opposing party on border Put.
Second connecting portion 311 length direction have first end, the opposite side of the first end the second end.
Second connecting portion 311 is bent along direction orthogonal to the longitudinal direction.In second connecting portion 311, by kink The corresponding position of cover plate 101 being partly arranged at charge storage element 1 of the side for border is allocated as, bending part is regard as border The opposing party be partly arranged at position corresponding with the second wall 100d of charge storage element 1.
There is support 312 first support 312a and the second support 312b, the first support 312a and first to connect The first end of socket part 310 is connected with the first end of second connecting portion 311, the second support 312b and first connecting portion 310 Second end is connected with the second end of second connecting portion 311.
Fixed part 313 has：It is formed at the first end of first connecting portion 310 and a pair of first fixed parts at the second end 313a, the first end for being formed at second connecting portion 311 and a pair of second fixed part 313b at the second end.
The first fixed part 313a of one side is opposed with the part around the through hole 300b of the end fitting 30 of a side.It is another First fixed part 313a of side is opposed with the part around the through hole 300b of the end fitting 30 of the opposing party.Moreover, a pair One fixed part 313a is formed with the first hole portion 313c in position corresponding with through hole 300b respectively.
Therefore, the first hole portion by the through hole 300b of end fitting 30 and the first fixed part 313a is screwed by using nut The bolt of 313c inserts, first connecting portion 310 links with the end fitting 30.
The second fixed part 313b of one side is opposed with the part around the through hole 300b of the end fitting 30 of a side.It is another Second fixed part 313b of side is opposed with the part around the through hole 300b of the end fitting 30 of the opposing party.Moreover, a pair Two fixed part 313b are formed with the second hole portion 313d in position corresponding with through hole 300b respectively.
Therefore, the second hole portion by the through hole 300b of end fitting 30 and the second fixed part 313b is screwed by using nut The bolt of 313d inserts, second connecting portion 311 links with the end fitting 30.
Insulator 4 is made up of the material with insulating properties.Moreover, insulator 4 has：Configuration is in a pair of first connecting portions A pair of first insulation divisions 40, configuration between 310 each connecting portion 310 and dividing plate 2 (internal partition 2A and outer bulkhead 2B) exist A pair between each connecting portion 311 and dividing plate 2 (internal partition 2A and outer bulkhead 2B) of a pair of second connecting portions 311 are second exhausted Edge 41.
The long side of first insulation division 40 is in the X-axis direction.In addition, the first insulation division 40 is configured in charge storage element 1 and framework 3 First connecting portion 310 between.That is, the first insulation division 40 is bent along direction orthogonal to the longitudinal direction.Moreover, the first insulation division In 40 using bending part as the part of a side on border and first connecting portion 310 using bending part as border a side Part abut.In addition, regarding bending part as the part of the opposing party on border and first connecting portion in the first insulation division 40 310 using bending part as the opposing party on border part abut.
The long side of second insulation division 41 is in the X-axis direction.In addition, the second insulation division 41 is configured in charge storage element 1 and framework 3 Second connecting portion 311 between.That is, the second insulation division 41 is bent along direction orthogonal to the longitudinal direction.Moreover, the second insulation division In 41 using bending part as the part of a side on border and second connecting portion 311 using bending part as border a side Part abut.In addition, regarding bending part as the part of the opposing party on border and first connecting portion in the second insulation division 41 311 using bending part as the opposing party on border part abut.
The insulator 4 of present embodiment has two the 3rd insulation divisions 42.More specifically illustrate.In insulator 4, The first end and the second end of the first insulation division 40 of the first end of first insulation division 40 and the second insulation division 41 and the second insulation Second end in portion 41 is connected by the 3rd insulation division 42.
As described above, according to the electrical storage device of present embodiment, the extension 212A of the opposed portion 210A in internal partition 2A Extend to the opposed portion 210A or pair in the adjacent outer bulkhead 2B of X-direction in the adjacent internal partition 2A of X-direction Put portion 210B.Therefore, internal partition 2A extension 212A and the opposed portion 210A in the adjacent internal partition 2A of X-direction or Person connects in the adjacent outer bulkhead 2B of X-direction opposed portion 210B.
In addition, the extension 212B of the opposed portion 210B in outer bulkhead 2B extend to the adjacent inside of X-direction every Plate 2A opposed portion 210A.Therefore, outer bulkhead 2B opposed portion 210B extension 212B with the adjacent inside of X-direction Dividing plate 2A opposed portion 210A connects.
Thus, will flow through between the adjacent internal partition 2A of X-direction opposed portion 210A, it is adjacent in X-direction Internal partition 2A opposed portion 210A and outer bulkhead 2B opposed portion 210B between cooling wind by internal partition 2A Opposed portion 210A extension 212A and outer bulkhead 2B opposed portion 210B extension 212B are covered.
Therefore, in electrical storage device, ora terminalis of the air from the opposed portion 210A of each dividing plate 2 ventilation path 203A, 202B side Flowing towards the ora terminalis of the opposite side of the opposed portion 210A of each dividing plate 2 ventilation path 203A, 202B side is obstructed.Thus, exist In electrical storage device, the cooling wind for being supplied to ventilation path 203A, 202B being formed between charge storage element 1 is difficult to leak into outside Portion.
In addition, in the electrical storage device of present embodiment, internal partition 2A extension 212A and inclining for internal partition 2A The portion that the part and internal partition 2A extension 212A that inclined-plane 216A connects connect with outer bulkhead 2B inclined plane 216B It is respectively relative to Z-direction inclination.
Therefore, in electrical storage device, air can effectively be hindered from the opposed portion 210A of each dividing plate 2 ventilation path Stream of the ora terminalis of 203A, 202B side towards the ora terminalis of the opposite side of the opposed portion 210A of each dividing plate 2 ventilation path 203A, 202B side It is dynamic.
Moreover, the opposed portion 210A of internal partition 2 extension 212A and outer bulkhead 2B opposed portion 210B extension Portion 212B is flexible.Therefore, in electrical storage device, even if internal partition 2A opposed portion 210A is each other because of foozle etc. Interval or internal partition 2A opposed portion 210A and outer bulkhead 2B opposed portion 210B narrower intervals, due to inside every The extension 212B bullets of plate 2A opposed portion 210A extension 212A elastic deformation or outer bulkhead 2B opposed portion 210B Property deformation, the variation at the interval can also be absorbed.
So, in electrical storage device, though because of foozle etc. internal partition 2A opposed portion 210A it is mutual interval, Or internal partition 2A opposed portion 210A and outer bulkhead 2B opposed portion 210B narrower intervals, also it is able to maintain that internal partition State that 2A extension 212A and internal partition 2A opposed portion 210A or outer bulkhead 2B opposed portion 210B connect, outside The state that dividing plate 2B extension 212B and internal partition 2A opposed portion 210A connect.
Further, in each internal partition 2A opposed portion 210A, a pair of angled face 216A is formed as with gradually becoming Into recess 217A bottom surface side and mutual narrower intervals.Therefore, internal partition 2A opposed portion 210A with the another of X-direction The adjacent other internal partition 2A of one side opposed portion 210A interval or the interval with outer bulkhead 2B opposed portion 210B Become narrower, internal partition 2A a pair of extension 212A or outer bulkhead 2B a pair of extension 212B are with from each other The mode of the mutual narrower intervals in front end carries out elastic deformation.
In addition, in the outer bulkhead 2B of the opposing party opposed portion 210B, a pair of angled face 216B is formed as with gradually Become recess 217B bottom surface side and mutual narrower intervals.Therefore, the outer bulkhead 2B of the opposing party opposed portion 210B with X The adjacent other internal partition 2A of the opposing party of direction of principal axis opposed portion 210A interval becomes narrower, and the one of internal partition 2A Elastic deformation is carried out in the way of the mutual narrower intervals in front end from each other to extension 212A.
Therefore, in electrical storage device, with internal partition 2A opposed portion 210A and outer bulkhead 2B opposed portion 210B Narrower intervals, make internal partition 2A extension 212A, outer bulkhead 2B extension 212B effect that the interval restores Power becomes strong.Therefore, electrical storage device is turned into equivalent to the state linked each other due to elastomer in the adjacent dividing plate 2 of X-direction, Resistance to vibration is improved.
Moreover, internal partition 2A opposed portion 210A possesses multiple (being in the present embodiment two) extension 212A.
Therefore, in electrical storage device, air is between a pair of opposed portion 210A from opposed portion 210A ventilation path 203A sides Ora terminalis towards the ora terminalis of ventilation path 203A opposite side flowing by internal partition 2A two extension 212A hinder.By This, can more effectively suppress cooling wind and pass through between a pair of opposed portion 210A and to the External leakage of electrical storage device.
In addition, outer bulkhead 2B opposed portion 210B possesses multiple (being in the present embodiment two) extension 212B.
Therefore, in electrical storage device, opposed portion of the air in outer bulkhead 2B opposed portion 210B and internal partition 2A From the ora terminalis of opposed portion 210B ventilation path 202B sides towards the flowing quilt of the ora terminalis of ventilation path 202B opposite side between 210A Outer bulkhead 2B multiple extension 212B hinder.Thereby, it is possible to more effectively suppress to cool down pair of the wind by outer bulkhead 2B Put between portion 210B and internal partition 2A opposed portion 210A and to the External leakage of electrical storage device.
Further, the adjacent pair opposed portion 210A in each internal partition 2A delimit the gap extended along Z-direction.
Thus, with the expansion or shrinkage of charge storage element 1, the phases of a pair of opposed portion 210A in the X-axis direction can be changed To position.
In addition, the holding member 3 that charge storage element 1 and internal partition 2A are remained into an entirety has framework 31, the frame Frame 31 extends along X-direction opposite each other a pair of opposed portion 210A, configures in direction (Y direction or Z axis orthogonal to X-axis Direction) on charge storage element 1 a side side.In direction (Y direction or Z-direction) orthogonal to X-axis, a pair of opposed portion 210A It is sandwiched between charge storage element 1 and framework 31.Further, it is opposed in direction (Y direction or Z-direction) orthogonal to X-axis Portion 210A extension 212A and inclined plane 216A is sandwiched between charge storage element 1 and framework 31.
Thus, a pair of opposed portion 210A, extension 212A and inclined plane 216A are protected from being connects from outside physics Touch.Released as a result, it is possible to suppress extension 212A with inclined plane 216A contact condition due to physical contact.
In addition, electrical storage device has insulator 4 of the configuration between charge storage element 1 and framework 31, orthogonal with X-direction Direction (Y direction or Z-direction), a pair of opposed portion 210A are sandwiched between charge storage element 1 and insulator 4.Further, In direction (Y direction or Z-direction) orthogonal to X-axis, opposed portion 210A extension 212A and inclined plane 216A are sandwiched in Between charge storage element 1 and insulator 4.
Thus, even if being applied with stress from outside, a pair of opposed portion 210A, extension 212A, inclined plane 216A can also Buffered by insulator.As a result, it is possible to which the contact condition for suppressing extension 212A and inclined plane 216A is released from.
The electrical storage device of above-mentioned embodiment possesses：
At least one charge storage element 1, it is formed as rectangular drum like, with a pair of first wall 100c and a pair of second walls In X-direction opposite one another, a pair of second wall 100d clip a pair of first wall 100c and opposed by 100d, a pair of first wall 100c；
First dividing plate (internal partition 2A or outer bulkhead 2B), its be X-direction and charge storage element 1 abut first every Plate (internal partition 2A or outer bulkhead 2B), in the Y direction orthogonal with X-direction, forms cold at it between charge storage element 1 But the ventilation path that wind energy enough circulates；
Second partition (internal partition 2A or outer bulkhead 2B), its clip charge storage element 1 and with the first separator adjacent；
First dividing plate has the first opposed portion 210A opposed with second partition in X-direction, and second partition is in X-direction It is right with the first opposed portion (internal partition 2A opposed portion 210A or outer bulkhead 2B opposed portion 210B) with the first dividing plate The second opposed portion (internal partition 2A opposed portion 210A or outer bulkhead 2B opposed portion 210B) put,
First opposed portion has extension (internal partition 2A extension 212A or the outside extended towards the second opposed portion Dividing plate 2B extension 212B),
Extension connects with the second opposed portion.
Thus, in electrical storage device, will flow through between the adjacent internal partition 2A of X-direction opposed portion 210A, Cooling wind between the adjacent internal partition 2A of X-direction opposed portion 210A and outer bulkhead 2B opposed portion 210B is interior The extension 212A or outer bulkhead 2B of opposed portion 210A in portion dividing plate 2A opposed portion 210B extension 212B are covered.
The state that pipeline 6 is provided with electrical storage device 1 is shown in Figure 11 and Figure 12.In the electrical storage device of present embodiment In 1, scavenger fan (not shown) is installed in pipeline 6, thus cools down wind by the path shown in Figure 11 arrow adjacent Charge storage element 1 between flow.Here, in the case where extension does not connect with the second opposed portion, cooling wind can pass through figure Flow through between a pair of opposed portion in path shown in 12 arrow.Specifically, in the above-described embodiment, due in framework 31 and pipe Seal member 5 is configured between road 6, so almost do not have by the cooling wind between framework 31 and pipeline 6.On the other hand, exist In the case that extension does not connect with the second opposed portion, as shown in Figure 12 arrow, cooling wind can be sandwiched in charge storage element 1 Flowed between a pair of opposed portion between framework 31.It therefore, it can obtain a part for the fluid by scavenger fan institute air-breathing Do not pass through the state between charge storage element 1.In the above-described embodiment, connected by extension with the second opposed portion, can hidden Gear can pass through the cooling wind of flowing between a pair of opposed portion.
In addition, the second opposed portion has recess, extension connects with the inner surface of recess.The electric power storage of present embodiment Device has the recess 217B for being formed at each internal partition 2A recess 217A, being formed at the outer bulkhead 2B of the opposing party.Such as Fig. 7 Shown, internal partition 2A recess 217A delimited by a pair of angled face 216A and connection a pair of angled face 216A bottom.Such as Shown in Fig. 9, outer bulkhead 2B recess 217B delimited by a pair of angled face 216B and connection a pair of angled face 216B bottom.
Thus, the part that extension connects is incorporated in recess, thus can suppress extension and recess inner surface Contact condition from outside physical contact due to releasing.
Now, extension connects with the inner surface of the recess in Z-direction.
Thus, the feelings being subjected to displacement even in a pair of opposed portion due to the expansion or shrinkage of charge storage element 1 in X-direction Under condition, the contact condition that can also suppress extension and recess inner surface produces change.
In addition, the first opposed portion has multiple extensions, multiple extensions connect with the inner surface of recess respectively.
Can be by the cooling wind of flowing between a pair of opposed portion thereby, it is possible to effectively block.
Multiple extensions are configured in Z-direction interval, and delimit the gap extended along X-direction.
In the electrical storage device of present embodiment, each internal partition 2A has a pair of extension 212A, the outside of a side every Plate 2B has a pair of extension 212B.A pair of extension 212A are configured in Z-direction interval, and are delimited along X-axis side To gap.In addition, configuring the extension 212A in upside in extension 212A in Z-direction in a pair of extension 212A Upside connect with the inner surface of recess, configuring extension 212A in downside in Z-direction and exist in a pair of extension 212A Connect on the downside of extension 212A with the inner surface of recess.A pair of extension 212A delimit the gap extended along X-direction, so that A pair of extension 212A can produce displacement when Z-direction connects with the inner surface of recess in the gap delimited.Its result It is that can be relaxed by gap in the stress produced by a pair of extension 212A.Even in outer bulkhead 2B a pair of extensions 212B, can also obtain identical effect.
In addition, in X-direction, the leading section of extension and the inner surface of recess delimit gap.
Thus, with the expansion or shrinkage of charge storage element 1, it can change relative in the X-direction of extension and recess Position.
Further, the first opposed portion and the second opposed portion delimit the gap extended along Z-direction.
Thus, with the expansion or shrinkage of charge storage element 1, the X-axis side of the first opposed portion and the second opposed portion can be changed Upward relative position.
In addition, the holding member that charge storage element, the first dividing plate, second partition are remained into an entirety has along X-axis side To the frame of a side side of the charge storage element of extension and configuration on the direction (Y direction or Z-direction) orthogonal with X-direction Frame,
In the direction (Y direction or Z-direction) orthogonal with X-direction, the first opposed portion and the second opposed portion are sandwiched in Between charge storage element and framework.
Thus, the first opposed portion and the second opposed portion are protected from being from outside physical contact.As a result, it is possible to Suppress extension and the contact condition of the second opposed portion is released due to physical contact.
The electrical storage device of present embodiment is also equipped with configuring insulator between charge storage element and framework, with X-axis side To orthogonal direction (Y direction or Z-direction), the first opposed portion and the second opposed portion be sandwiched in charge storage element and insulator it Between.
Thus, even if being applied with stress from outside, the first opposed portion and the second opposed portion can also be obtained by insulator Buffering.As a result, it is possible to suppress extension and the contact condition of the second opposed portion is released from.
In addition, the electrical storage device of the present invention is not limited to said one embodiment, it is clear that master of the present invention can not departed from Various changes are carried out in the range of purport.
In the above-described embodiment, internal partition 2A base portion 20A is rectangular shape, in addition, its size and electric power storage First wall 100c of element 1 is substantially equivalent.As long as however, internal partition 2A base portion 20A can correspond to two neighboring electric power storage The respective posture of element 1, is not limited to substantially rectangular shape, in addition, being also not necessarily limited to the first wall 100c with charge storage element 1 Substantially equivalent size.
In the above-described embodiment, internal partition 2A base portion 20A by as square wave shape base portion 20A with Ventilation path 203A is formed between charge storage element 1.As long as however, internal partition 2A base portion 20A can make fluid the first face with By the way that be not limited to base portion 20A is shaped as square wave shape (between the second face and charge storage element 1) between charge storage element 1. In addition, in the case of it internally can not form ventilation path 203A between dividing plate 2A base portion 20A and charge storage element 1, it is internal Dividing plate 2A base portion 20A can also be formed as tabular.
In the above-described embodiment, internal partition 2A each limiting unit 21A is formed as base portion 20A each corner.However, interior As long as portion dividing plate 2A limiting unit 21A can determine position of the charge storage element 1 relative to base portion 20A, it is not limited in base portion The position that 20A is formed.
In the above-described embodiment, outer bulkhead 2B base portion 20B is rectangular shape, also, its size and electric power storage First wall 100c of element 1 is substantially equivalent.As long as however, base portion 20B can correspond to the posture and terminal of adjacent charge storage element 1 The posture of part 30, base portion 20B is not limited to substantially rectangular shape, in addition, being also not necessarily limited to the first wall with charge storage element 1 100c substantially equivalent sizes.
In the above-described embodiment, it is formed with limiting unit 21B in outer bulkhead 2B base portion 20B each corner.However, limit As long as portion 21B processed can determine to configure the position of charge storage element 1 relative to base portion 20B, it is not limited to be formed in base portion 20B Position.
In the above-described embodiment, internal partition 2A opposed portion 210A possesses a pair of extension 212A, but not limited to this. For example, internal partition 2A opposed portion 210A can also possess the extension 212A of an extension 212A or more than three.It is interior Portion dividing plate 2A opposed portion 210A can also possess multipair extension 212A.
In addition, outer bulkhead 2B opposed portion 210B possesses a pair of extension 212B, but not limited to this.For example, it is outside every Plate 2B opposed portion 210B can also possess the extension 212B of an extension 212B or more than three.Outer bulkhead 2B pair The portion 210B of putting can also possess multipair extension 212B.
In the above-described embodiment, internal partition 2A inclined plane 216A is each relative to X-direction, both Z-directions From direction tilt, but not limited to this.As long as the extension that internal partition 2A inclined plane 216A can be with internal partition 2A 212A or outer bulkhead 2B extension 212B connects, and incline direction is not particularly limited.
In addition, in the above-described embodiment, outer bulkhead 2B inclined plane 216B relative to X-direction, Z-direction this two The respective direction of person is tilted, but not limited to this.As long as the extension that outer bulkhead 2B inclined plane 216B can be with internal partition 2A Portion 212A connects, and incline direction is not particularly limited.
In the above-described embodiment, internal partition 2A extension 212A is configured to the inclined plane 216A with internal partition 2A Abut, but not limited to this.For example, internal partition 2A extension 212A can also be configured to its leading section and internal partition 2A's Opposed portion 210A (recess 217A bottom surface) is contacted in X-direction.
Even if so, because internal partition 2A extension 212A is abutted with opposed portion 210A, so cooling wind be difficult to from Leaked between the adjacent internal partition 2A of X-direction opposed portion 210A.
In addition, outer bulkhead 2B extension 212B is also configured to abut with internal partition 2A inclined plane 216A, but not It is limited to this.For example, outer bulkhead 2B extension 212B can also be configured to the opposed portion of its leading section and internal partition 2A 210A (recess 217A bottom surface) is contacted in X-direction.
Even if so, because outer bulkhead 2B extension 212B and internal partition 2A opposed portion 210A are abutted, so Cooling wind is difficult to leak between outer bulkhead 2B opposed portion 210B and internal partition 2A opposed portion 210A.
In the above-described embodiment, internal partition 2A inclined plane 216A is respectively relative to X-direction and Z-direction is inclined Tiltedly, but not limited to this.For example, internal partition 2A inclined plane 216A can also by its extension 212A with internal partition 2A or The plane that the part that outer bulkhead 2B extension 212B connects extends along X-direction and Y direction is constituted.
That is, as long as extension 212A or outer bulkhead 2B that internal partition 2A inclined plane 216A can be with internal partition 2A Extension 212B connect, can also be orthogonal relative to Z-direction.
Further, in the above-described embodiment, outer bulkhead 2B inclined plane 216B is respectively relative to X-direction and Z Direction of principal axis is tilted, but not limited to this.For example, in outer bulkhead 2B inclined plane 216B, its can also by with internal partition 2A The plane that is extended along X-direction and Y direction of the parts that connect of extension 212A constitute.
That is, as long as internal partition 2A inclined plane 216A connects with internal partition 2A extension 212A, can also Do not tilted relative to X-direction and Z-direction.
In the above-described embodiment, internal partition 2A extension 212A is flexible, but not limited to this.For example, internal Dividing plate 2A extension 212A can also be without elasticity.
In the above-described embodiment, the midways of internal partition 2A extension 212A bearing surface 215A in the X-axis direction Position is bent, but not limited to this.For example, internal partition 2A extension 212A can also be respectively relative to X-axis across entirety Direction and Z-direction are tilted.That is, internal partition 2A extension 212A bearing surface 215A can also be only by inclined plane 216A structures Into.
In the above-described embodiment, in outer bulkhead 2B extension 212B, bearing surface 215B in the X-axis direction in Way position is bent, but not limited to this.For example, outer bulkhead 2B extension 212B can also be respectively relative to X across entirety Direction of principal axis and Z-direction are tilted.That is, outer bulkhead 2B extension 212B bearing surface 215B can also be only by inclined plane 216B Constitute.
In the above-described embodiment, although not specifically mentioned, but internal partition 2A opposed portion 210A can also be constituted Connect for the inclined plane 213A with extension 212A.In addition, internal partition 2A opposed portion 210A is preferably configured as extension 212A inclined plane 213A is with the inclined plane 216A in the adjacent internal partition 2A of X-direction (or in the adjacent outside of X-direction Dividing plate 2B inclined plane 216B) connect mutually.
In addition, outer bulkhead 2B opposed portion 210B can also be configured to connect with extension 212B inclined plane 213B. In addition, the inclined plane 213B that outer bulkhead 2B opposed portion 210B is preferably configured as extension 212B is adjacent with X-direction Internal partition 2A inclined plane 216A connects mutually.
If it does, outer bulkhead 2B extension 212B connects with inclined plane 216A so that extension 212B inclined plane 213B and internal partition 2A opposed portion 210A contact site extends along with the direction that Z-direction is intersected.Thus, it is possible to more have Effect ground hinders air between opposed portion 212B, 210A from the ora terminalis of opposed portion 210A ventilation path 203A sides towards ventilation path The flowing of the ora terminalis of 203A opposite side.
In addition, making extension 212A inclined plane 213A and the inclined plane in the adjacent internal partition 2A of X-direction 216A (or in the adjacent outer bulkhead 2B of X-direction inclined plane 216B) is mutually abutted against, and makes outer bulkhead 2B opposed portion The inclined plane 216B of extension 212B in 210B is mutually abutted against with the adjacent internal partition 2A of X-direction inclined plane 216A In the case of, the direction extension intersected with inclined plane 213A, 216B and inclined plane 216A contact site edge with second direction Mode, extension (the first inclined plane) connects with another opposed portion 210A (the second inclined plane).Thus, it is possible to more effective Ground hinders ora terminalis of the air between opposed portion 210A from opposed portion 210A ventilation path 203A sides towards ventilation path 203A's The flowing of the ora terminalis of opposite side.
In this case, as shown in Figure 10, the inclined plane 213A in internal partition 2A extension 212A with X-direction Angle formed by adjacent internal partition 2A inclined plane 216A (or in the adjacent outer bulkhead 2B of X-direction inclined plane 216B) Degree α is preferably configured as 0 ° of ＜ α.
In addition, inclined plane 213B in outer bulkhead 2B extension 212B with the adjacent internal partition 2A of X-direction Inclined plane 216A angulations α be preferably configured as 0 ° of ＜ α.
In the case where inclined plane 212A, 213B are parallel with inclined plane 216A, in inclined plane 212A, 213B and inclined plane Be likely due between 216A manufacture dividing plate when foozle and produce gap.But, such as above-mentioned structure, as long as angle [alpha] is big In 0 °, i.e., first inclined plane 212A, 213B and inclined plane 216A are not parallel, it becomes possible to prevent due to the foozle The generation in gap.
Further, the inclined plane 213A in internal partition 2A extension 212A with the adjacent inside of X-direction every Plate 2A inclined plane 216A (or in the adjacent outer bulkhead 2B of X-direction inclined plane 216B) angulation α is further excellent Choosing is configured to 0 ° of ＜ α≤15 °.
In addition, inclined plane 213B in outer bulkhead 2B extension 212B with the adjacent internal partition 2A of X-direction Inclined plane 216A angulations α be further preferably configured to 0 ° of ＜ α≤15 °.
In the above-described embodiment, although no specifically mentioned, but preferably, internal partition 2A extension 212A is in The opposite side of one end to one end in portion dividing plate 2A inclined plane 216A or outer bulkhead 2B inclined plane 216B Y direction The other end and connect.
Furthermore it is preferred that outer bulkhead 2B extension 212B is from internal partition 2A inclined plane 216A Y direction One end connect across the other end of the opposite side of the one end with the other end.
In the above-described embodiment, one of internal partition 2A extension 212A and internal partition 2A inclined plane 216A Point or an outer bulkhead 2B inclined plane 216B part connect, but not limited to this.For example, internal partition 2A extension 212A Can also be with internal partition 2A inclined plane 216A whole region or outer bulkhead 2B inclined plane 216B whole region phase Connect.
If it does, cooling wind circulating direction on opposed portion 210A between whole region, air can be hindered to exist From the ora terminalis of opposed portion 210A ventilation path 203A sides towards the ora terminalis of ventilation path 203A opposite side between opposed portion 210A Flowing.Pass through thereby, it is possible to more effectively suppress cooling wind between a pair of opposed portion 210A and to the outside of electrical storage device Leakage.
In the above-described embodiment, being provided with makes the pressure in pipeline 6 reduce the exhaust wind of the flowing so as to produce fluid Fan, but it is also possible to which being provided with makes the pressure in pipeline 6 increase the drawing fan of the flowing so as to produce fluid.

Claims (21)

1. a kind of electrical storage device, it is characterised in that possess：
At least one charge storage element；
Dividing plate, it is the dividing plate abutted with the charge storage element, and cooling wind energy is formed between the charge storage element at it enough flows Logical ventilation path；
The position towards the ventilation path and also in the ventilation path cooling wind circulating direction on the electric power storage Element adjoining position, the dividing plate has with clipping the charge storage element and the opposed opposed portion of adjacent dividing plate,
The opposed portion configured in a pair of opposed portion opposite each other of the dividing plate of the both sides of the charge storage element has court The extension of another opposed portion extension in the pair of opposed portion,
The extension connects with another described opposed portion.
2. electrical storage device as claimed in claim 1, it is characterised in that
Another described opposed portion has relative to first direction and the inclined inclined plane of second direction, and the first direction is described A pair of opposed portion direction opposite each other, the second direction is the direction orthogonal with the circulating direction of the cooling wind,
The extension connects with least a portion of the inclined plane.
3. electrical storage device as claimed in claim 2, it is characterised in that
The extension being capable of elastic deformation by the contact with the inclined plane.
4. electrical storage device as claimed in claim 3, it is characterised in that
Another described opposed portion has inclined plane described in a pair,
The pair of inclined plane is relative in the second direction interval, with opposite each other along the pair of opposed portion Direction is left and narrower intervals from one opposed portion,
One opposed portion has extension described in a pair in the position opposed with the pair of inclined plane,
The pair of extension is arranged, the mutual interval in the front end in a pair of extensions in the second direction interval Interval more mutual than the inclined plane of the end in one opposed portion side in the pair of inclined plane is small, and than described The mutual interval of the inclined plane of the end of the opposite side in one opposed portion in a pair of angled face is big.
5. the electrical storage device as any one of claim 2~4, it is characterised in that
One opposed portion has multiple extensions,
Another described opposed portion has the inclined plane of quantity corresponding with multiple extensions.
6. such as electrical storage device according to any one of claims 1 to 5, it is characterised in that
The extension has relative to first direction and the inclined inclined plane of second direction, and the first direction is the pair of right Portion direction opposite each other is put, the second direction is the direction orthogonal with the circulating direction of the cooling wind,
Another described opposed portion connects with least a portion of the inclined plane of the extension.
7. electrical storage device as claimed in claim 1, it is characterised in that
The extension has the first inclined plane inclined relative to first direction and second direction, and the first direction is described one The direction opposite each other to opposed portion, the second direction is the direction orthogonal with the circulating direction of the cooling wind,
Another described opposed portion has the second inclined plane inclined relative to first direction and second direction, and the first direction is The pair of opposed portion direction opposite each other, the second direction is the direction orthogonal with the circulating direction of the cooling wind,
First inclined plane connects with least a portion of second inclined plane.
8. electrical storage device as claimed in claim 7, it is characterised in that
Second inclined plane is relative to the angle [alpha] of first inclined plane：0 ° of ＜ α.
9. such as electrical storage device according to any one of claims 1 to 8, it is characterised in that
The whole region of another opposed portion described on the circulating direction of the cooling wind, the extension with this another Opposed portion is contacted.
10. such as electrical storage device according to any one of claims 1 to 9, it is characterised in that
The pair of opposed portion delimit in the first direction and second direction extension gap, the first direction is the pair of opposed Portion direction opposite each other, the second direction is the direction orthogonal with the circulating direction of the cooling wind.
11. such as electrical storage device according to any one of claims 1 to 10, it is characterised in that possess：
Holding member, the charge storage element and dividing plate are remained an entirety by it,
The holding member, which to be had, extend along the pair of opposed portion first direction opposite each other and configure with described first The framework of one side side of the charge storage element on the orthogonal direction in direction,
In the direction orthogonal with the first direction, the pair of opposed portion be sandwiched in the charge storage element and the framework it Between.
12. electrical storage device as claimed in claim 11, it is characterised in that possess：
Insulator, it is configured between the charge storage element and the framework,
In the direction orthogonal with the first direction, the pair of opposed portion is sandwiched in the charge storage element and and the insulator Between.
13. a kind of electrical storage device, it is characterised in that possess：
At least one charge storage element, it is formed as rectangular drum like, with a pair of first walls and a pair of second walls, the pair of first In a first direction opposite one another, the pair of second wall clips the pair of first wall and opposed to wall；
First dividing plate, it is the dividing plate abutted in the first direction and the charge storage element, orthogonal with the first direction Second direction, the ventilation path that enough circulates of cooling wind energy is formed between the charge storage element at it；
Second partition, its clip the charge storage element and with first separator adjacent；
First dividing plate has first opposed portion opposed with the second partition, the second partition in the first direction There is second opposed portion opposed with first opposed portion of first dividing plate in the first direction,
First opposed portion has the extension extended towards second opposed portion,
The extension connects with second opposed portion.
14. electrical storage device as claimed in claim 13, it is characterised in that
Second opposed portion has recess,
The extension connects with the inner surface of the recess.
15. electrical storage device as claimed in claim 14, it is characterised in that
The extension connects with the inner surface of the recess in third direction, the third direction and the first direction and institute State second direction orthogonal.
16. the electrical storage device as described in claims 14 or 15, it is characterised in that
First opposed portion has multiple extensions,
Inner surface of multiple extensions respectively with the recess connects.
17. electrical storage device as claimed in claim 16, it is characterised in that
In the third direction orthogonal with the first direction and the second direction, multiple extension intervals and match somebody with somebody Put, and delimit the gap extended along the first direction.
18. the electrical storage device as any one of claim 13~17, it is characterised in that
In the first direction, the inner surface of the leading section of the extension and the recess delimit gap.
19. the electrical storage device as any one of claim 13~18, it is characterised in that
First opposed portion and second opposed portion delimited along orthogonal with the first direction and the second direction the The gap of three directions extension.
20. the electrical storage device as any one of claim 13~19, it is characterised in that possess：
Holding member, the charge storage element, first dividing plate, the second partition are remained an entirety by it,
The holding member, which has, extend along the first direction and configure the institute on the direction orthogonal with the first direction The framework of a side side of charge storage element is stated,
In the direction orthogonal with the first direction, first opposed portion and second opposed portion are sandwiched in the electric power storage member Between part and the framework.
21. electrical storage device as claimed in claim 20, it is characterised in that possess：
Insulator, it is configured between the charge storage element and the framework,
In the direction orthogonal with the first direction, first opposed portion and the second opposed portion be sandwiched in the charge storage element with Between the insulator.
CN201610908003.4A 2015-10-19 2016-10-18 Electricity storage device Active CN106953134B (en)

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