JPH081812B2 - Stacked fuel cell - Google Patents

Stacked fuel cell

Info

Publication number
JPH081812B2
JPH081812B2 JP4169304A JP16930492A JPH081812B2 JP H081812 B2 JPH081812 B2 JP H081812B2 JP 4169304 A JP4169304 A JP 4169304A JP 16930492 A JP16930492 A JP 16930492A JP H081812 B2 JPH081812 B2 JP H081812B2
Authority
JP
Japan
Prior art keywords
tightening
battery
drive shaft
transmission mechanism
plate
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.)
Expired - Fee Related
Application number
JP4169304A
Other languages
Japanese (ja)
Other versions
JPH0613101A (en
Inventor
高橋  宏
馨象 大塚
俊樹 加原
正 高島
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4169304A priority Critical patent/JPH081812B2/en
Publication of JPH0613101A publication Critical patent/JPH0613101A/en
Publication of JPH081812B2 publication Critical patent/JPH081812B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/24Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465Details of groupings of fuel cells
    • H01M8/247Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
    • H01M8/248Means for compression of the fuel cell stacks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/24Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2404Processes or apparatus for grouping fuel cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、積層型燃料電池に係
り、特に単位電池を複数個積層設置して形成される電池
ブロックを2ブロック以上積層した状態で、大面積セル
を均一に締付けられるようにした締付装置を備えた積層
型燃料電池に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stack type fuel cell, and more particularly to a large area cell which can be tightened uniformly in a state where two or more cell blocks formed by stacking a plurality of unit cells are stacked. The present invention relates to a laminated fuel cell including the tightening device.

【0002】[0002]

【従来の技術】従来、燃料電池の締付装置として、特開
平1−320777号公報に示すように、電池スタック
の4隅に締付ボルトを配設し、各締付ボルトの上端に上
締付板を固定すると共に、各締付ボルトをスリーブを介
して下締付板から貫通せしめ、この下締付板を締付用弾
力付勢機構でスリーブを介して押し上げ、電池スタック
の4隅4ヵ所を締付けるものがある。あるいは特開平1
−221865号公報に示すように、複数の締付棒を電
池本体の積層方向側面に沿って配置し、その一端を押え
板に固着させると共に、他端部を電池本体を収納した収
納容器から貫通して突出させ、その突出部を収納容器の
外部に設けた締付機構、例えばワイヤによって引張り、
この引張力により電池本体を積層方向に所定圧力で締付
けるものがある。または、特開平1−148770号公
報に示すように、コイルスプリングなどを用いて電池ス
タックを締付けるもの等、各電池ブロック毎に、締付け
る構造の装置が提案されている。
2. Description of the Related Art Conventionally, as a tightening device for a fuel cell, as shown in JP-A-1-320777, tightening bolts are arranged at four corners of a cell stack, and upper tightening is performed at the upper end of each tightening bolt. While fixing the attachment plate, each tightening bolt is penetrated from the lower tightening plate through the sleeve, and the lower tightening plate is pushed up through the sleeve by the elastic force urging mechanism for tightening, and the four corners 4 There are things that tighten the place. Alternatively, JP-A-1
As disclosed in Japanese Patent No. 221865, a plurality of tightening rods are arranged along the side surface of the battery main body in the stacking direction, one end thereof is fixed to a holding plate, and the other end is penetrated from a storage container storing the battery main body. Then, the protruding portion is pulled by a tightening mechanism provided outside the storage container, for example, a wire,
In some cases, the battery body is clamped in the stacking direction at a predetermined pressure by this tensile force. Alternatively, as disclosed in Japanese Patent Application Laid-Open No. 1-148770, an apparatus having a structure for tightening each battery block, such as one for tightening a battery stack by using a coil spring, has been proposed.

【0003】[0003]

【発明が解決しようとする課題】上述した各公報開示の
従来技術においては、単位電池を複数個積層して電池ブ
ロックを形成し、各電池ブロック毎に締付けてから複数
ブロック積層しているため、全体面圧の調整の関係から
ブロック積層後ボルトの増締めが行われているが、電池
ブロックを複数ブロック積層した後では、電池ブロック
の接触面を一致させるように設置しているため、電池ブ
ロックの中央部に配置されている締付ボルトの増締めが
不可能となる。そのため、電池スタックの大面積化に伴
い、中央部と周辺部とにおける電池締付面圧の不均一が
拡大するという問題が生じていた。
In the prior arts disclosed in the above publications, a plurality of unit batteries are laminated to form a battery block, and each battery block is fastened and then a plurality of blocks are laminated. The bolts are tightened after stacking the blocks due to the adjustment of the overall surface pressure, but after stacking multiple battery blocks, the battery blocks are installed so that the contact surfaces of the battery blocks are aligned. It becomes impossible to re-tighten the tightening bolt located in the center of the. Therefore, as the area of the battery stack is increased, there is a problem that the unevenness of the battery clamping surface pressure in the central portion and the peripheral portion increases.

【0004】本発明の目的は、複数の電池ブロックを積
層した状態であっても、中央部に配置された締付ボルト
の増締めを行うことができ、電池ブロックを均一な面圧
で締付けることのできる締付装置を備えた燃料電池を提
供するにある。
The object of the present invention is to tighten the tightening bolts arranged in the center even when a plurality of battery blocks are stacked, and to tighten the battery blocks with a uniform surface pressure. A fuel cell provided with a tightening device capable of

【0005】[0005]

【課題を解決するための手段】上記目的を達成するため
に、本発明に係る燃料電池は、電池ブロックを複数個積
んでなる積層型で、各電池ブロックの上下に締付板を配
置し、これら締付板を貫通する締付ボルトの端部を締付
板の外面にナットで締めて電池ブロックを締付ける構成
をもつものであって、各締付板の外面側で締付ボルトが
貫通する部位に凹部を形成し、この凹部内に締付ボルト
の端部とナットを収め、一方、電池ブロックの中央部に
配置された締付ボルトのいずれか一端、もしくは、両端
にこの締付ボルトに回動力を伝達するために組付けられ
た伝達機構と、この伝達機構に接続し外方に延出する駆
動軸とを設け、伝達機構は締付板の中央部に形成した凹
部内に収めと共に駆動軸は中央部の凹部内から周辺まで
延びて形成した凹溝内に収め、さらに駆動軸の延出部に
この駆動軸から伝達機構を介し中央部の締付ボルトを
回動させる外部操作用の駆動手段を設けた構成を採用し
ている。本発明の1つの技術手段によると、伝達機構
は、中央部の締付ボルトの一端と軸の一端にそれぞれ取
付けられた一対のかさ歯車から成る歯車機構で構成され
るが、その他の伝達機構例えばラック・ピニオンで構成
することも可能である
In order to achieve the above object, a fuel cell according to the present invention has a stack of a plurality of cell blocks.
It is a laminated type, and tightening plates are arranged above and below each battery block.
And tighten the ends of the tightening bolts that penetrate these tightening plates.
Configuration to tighten the battery block by tightening the nut on the outer surface of the plate
With tightening bolts on the outer surface side of each tightening plate.
A recess is formed in the penetrating portion, and the tightening bolt is
The end and the nut are housed, while one end or both ends of the tightening bolt located in the center of the battery block is assembled to transmit rotational force to this tightening bolt.
And a drive mechanism that connects to this transmission mechanism and extends outward.
And a transmission shaft, and the transmission mechanism is a recess formed in the center of the tightening plate.
Drive shaft from the central recess to the periphery
It is housed in a recessed groove formed by extension , and the drive shaft for extension is provided with drive means for external operation for rotating the tightening bolt in the central part from the drive shaft via a transmission mechanism. ing. According to one technical means of the present invention, the transmission mechanism comprises a gear mechanism consisting of a pair of bevel gears respectively attached to one end of the central tightening bolt and one end of the shaft, but other transmission mechanisms, for example, It is also possible to configure with a rack and pinion .

【0006】[0006]

【作用】上記の構成において、電池ブロックの外部から
駆動手段を操作し、又は作動すると、軸に接続された伝
達機構を介し、中央部に配置された中央部の締付ボルト
が所定量回動する。したがって、中央部の締付ボルトが
さらにネジ締めされ、その増締めが必要に応じて可能と
なる。その結果、電池ブロックを複数ブロック積層した
状態であっても、中央部の締付ボルトを含むすべての箇
所の締付ボルトの増締めが可能となる。
In the above structure, when the driving means is operated or operated from outside the battery block, the central tightening bolt arranged in the central portion is rotated by a predetermined amount via the transmission mechanism connected to the shaft. To do. Therefore, the tightening bolt at the central portion is further screwed, and the additional tightening can be performed as necessary. As a result, even when a plurality of battery blocks are stacked, the tightening bolts at all locations including the tightening bolt at the central portion can be retightened.

【0007】[0007]

【実施例】図1は本発明の一実施例を示す正面断面図で
あり、単位電池を複数個積層して形成された電池ブロッ
ク1は、上下を上締付板2と下締付板3とによって挾ま
れた構成になっている。なお、電池ブロック1は公知の
構造であり、各層の単位電池の電極は平面的に4つの区
画に分割形成され、各区画の境界はセパレータによりシ
ールされている。図2に示すように、上の締付板2の4
隅には凹部21…が、中央部には凹部22が形成され、
また下の締付板3の4隅には凹部31…が、中央部には
凹部32が形成されている。凹部21…、凹部22、及
び凹部31…、凹部32には電池積層方向に貫通する孔
23…、24、及び孔33…、34が形成されている。
上の締付板2の4隅の凹部21…の貫通穴23…と下の
締付板3の凹部31…の貫通孔33…とには、それぞれ
電池ブロック締付用の締付ボルト4…の上端部と下端部
が挿入され、また締付板2の中央の凹部22の貫通孔2
4と下の締付板3の中央の凹部32の貫通孔34とに
は、電池ブロック締付用の締付ボルト5の上端部と下端
部とがそれぞれ挿入され、ナットによりそれぞれ締付け
固定されている。各締付ボルト4…、5の上端と下端と
は、凹部21…、31…、及び凹部22、32の内部に
位置し、各ボルト4…、5の上端が上締付板2の上面か
ら上方に突出しないように、また、下端が下締付板3の
下面から下方に突出しないように、各凹部21…2、2
2、及び31…、32の深さ、各締付ボルト4…、5の
長さが設定されている。上下の締付板2、3の中央部の
凹部22、32は、溝25及び35を通して外側面に開
口している。
FIG. 1 is a front sectional view showing an embodiment of the present invention. A battery block 1 formed by stacking a plurality of unit batteries has an upper clamping plate 2 and a lower clamping plate 3 at the top and bottom. It is composed by and. The battery block 1 has a known structure, and the electrodes of the unit batteries in each layer are divided into four sections in plan view, and the boundaries between the sections are sealed by separators. As shown in FIG. 2, 4 of the upper tightening plate 2
The recesses 21 ... Are formed in the corners, and the recesses 22 are formed in the center.
Further, the lower fastening plate 3 has concave portions 31 ...
A recess 32 is formed. 24, and holes 33 ..., 34 penetrating in the battery stacking direction are formed in the recesses 21 ,.
The through holes 23 of the recesses 21 at the four corners of the upper tightening plate 2 and the lower holes
The upper end and the lower end of the tightening bolts 4 for tightening the battery block are inserted into the through holes 33 of the recesses 31 of the tightening plate 3 , respectively, and the central recess 22 of the tightening plate 2 is inserted. Through hole 2
4 and the through hole 34 of the recess 32 at the center of the lower tightening plate 3 , the upper end and the lower end of the tightening bolt 5 for tightening the battery block are respectively inserted, and fixed by nuts. There is. The upper and lower ends of the tightening bolts 4 and 5 are located inside the recesses 21 and 31 and the recesses 22 and 32, and the upper ends of the bolts 4 and 5 are located on the upper surface of the upper tightening plate 2. The recesses 21 ... 2, 2 are arranged so as not to project upward and the lower end thereof does not project downward from the lower surface of the lower tightening plate 3.
The depths of 2, 31 ... 32 are set, and the lengths of the tightening bolts 4 ... 5 are set. The recesses 22 and 32 in the central portions of the upper and lower tightening plates 2 and 3 are open to the outer side surface through the grooves 25 and 35.

【0008】上締付板2の溝25内には、軸6が電池ブ
ロックの積層方向、すなわち、中央部の締付ボルト5の
軸方向と直交した状態で配置されている。中央部の締付
ボルト5の上端と軸6の中央部側の一端とには、かさ歯
車71とかさ歯車72とがそれぞれ取付けられており、
互いにかみ合って一対の歯車機構から成る伝達機構を構
成している。
A shaft 6 is arranged in the groove 25 of the upper tightening plate 2 in a direction orthogonal to the stacking direction of the battery blocks, that is, the axial direction of the tightening bolt 5 in the central portion. A bevel gear 71 and a bevel gear 72 are attached to the upper end of the tightening bolt 5 in the central portion and one end on the central portion side of the shaft 6, respectively.
The transmission mechanism is composed of a pair of gear mechanisms that mesh with each other.

【0009】軸6の他端部は、溝25を通して上締付板
2の外方へ延出されている。その延出端には、手動操作
用のハンドル8が取付けられている。
The other end of the shaft 6 extends outside the upper tightening plate 2 through the groove 25 . A handle 8 for manual operation is attached to the extended end.

【0010】上記の締付構造において、上下の締付板
2、3は電池ブロック1を挾み付ける働きをする。ま
た、締付ボルト4…、5は、上下の締付板2、3を介し
て電池ブロック1に締付力を伝達する役割を果す。軸6
は、ハンドル8を回転させると、同方向に回転する。軸
6は不図示の支持機構、例えば軸受によって回転可能に
支持されている。軸6が回転すると、その回転は一対の
かさ歯車71、72を介して、締付ボルト5に伝達され
る。すなわち、一対のかさ歯車71、72は、軸6の回
転力を90度直交方向に転換して締付ボルト5に伝える
働きをしている。
In the above-mentioned tightening structure, the upper and lower tightening plates 2 and 3 serve to grip the battery block 1. The tightening bolts 4 ... 5 also play a role of transmitting a tightening force to the battery block 1 via the upper and lower tightening plates 2 and 3. Axis 6
When the handle 8 is rotated, it rotates in the same direction. The shaft 6 is rotatably supported by a support mechanism (not shown), such as a bearing. When the shaft 6 rotates, the rotation is transmitted to the tightening bolt 5 via the pair of bevel gears 71 and 72. That is, the pair of bevel gears 71 and 72 have a function of converting the rotational force of the shaft 6 into a 90-degree orthogonal direction and transmitting it to the tightening bolt 5.

【0011】図1に示す締付構造において、上下の締付
板2、3によって電池ブロック1を挾み付け、締付ボル
ト4…、5のナット締めにより、電池ブロック1を上下
の締付板2、3を介して締付け固定し、この状態で、手
動操作によってハンドル8を回転させると、その回転が
軸6及びかさ歯車71、72を介して締付ボルト5に伝
わり、締付ボルト5が増締め方向に回転される。これに
よって、中央部の締付ボルト5を外部操作によって所定
量増締めすることができる。この場合、周辺部の各締付
ボルト4は、両端部にネジ込まれたナットのネジ締めに
より、外部から任意に増締めできることは勿論である。
したがって、中央部の締付ボルト5を含むすべてのボル
トの増締めが可能となる。
In the tightening structure shown in FIG. 1, the battery block 1 is clamped by the upper and lower tightening plates 2 and 3, and the nuts of the tightening bolts 4 ... When the handle 8 is rotated by manual operation in this state by tightening and fixing via 2 and 3, the rotation is transmitted to the tightening bolt 5 via the shaft 6 and the bevel gears 71 and 72, and the tightening bolt 5 is It is rotated in the tightening direction. As a result, the tightening bolt 5 in the central portion can be tightened by a predetermined amount by an external operation. In this case, it is needless to say that the tightening bolts 4 in the peripheral portion can be arbitrarily tightened from the outside by screwing nuts screwed into both ends.
Therefore, all bolts including the tightening bolt 5 in the central portion can be tightened.

【0012】次に、図3は図1に示すブロックを積層し
た実施例を示す正面図で、このように電池ブロック1を
複数ブロック積層する場合は、下位ブロックの上締付板
2の上面と上位ブロックの下締付板3の下面とが合致す
るように積層する。この積層構造にあっても、上下各位
のブロックのハンドル8を所定量回転操作することによ
り、各位のブロックの中央部の締付ボルト5を外部操作
によって簡単に増締めすることができる。すなわち、複
数の電池ブロック1を積層した状態であっても、各位の
ブロックの中央部の締付ボルト5を外部操作によって増
締めすることが可能となる。
Next, FIG. 3 is a front view showing an embodiment in which the blocks shown in FIG. 1 are stacked. When stacking a plurality of battery blocks 1 in this way, the upper block 2 and the upper tightening plate 2 of the lower block are The upper block is laminated so that the lower clamping plate 3 and the lower surface of the upper block coincide with each other. Even in this laminated structure, by rotating the handles 8 of the upper and lower blocks by a predetermined amount, the tightening bolt 5 at the central portion of each block can be easily tightened by an external operation. That is, even when a plurality of battery blocks 1 are stacked, the tightening bolts 5 at the center of each block can be tightened by an external operation.

【0013】図4は本発明のさらに他の実施例を示す正
面断面図であり、図1の実施例と同一部分は同一符号を
付し、説明を省略する。軸6の上締付板2から外方への
延出部に回転駆動源8’が接続されている。回転駆動源
8’は、例えばステップモータなどのモータ類、あるい
はロータリーアクチュエータによって構成され、駆動電
源を受けて回転駆動されるようになっている。この実施
例の構成において、上下の締付板2、3によって電池ブ
ロック1を挾み、締付け保持した状態で、回転駆動源
8’を作動させると、軸6が回転し、この回転がかさ歯
車71、72のかみ合いを介して中央部の締付ボルト5
に伝わり、締付ボルト5が所定量回転する。これによっ
て、中央部の締付ボルト5を電池ブロック1の外部から
簡単に増締めすることができる。図4の実施例構造の場
合にも、図3と同様に複数の電池ブロック1を積層した
状態であっても、中央部の締付ボルト5を電池ブロック
の外方から自動的に簡単に増締めすることができる。
FIG. 4 is a front sectional view showing still another embodiment of the present invention. The same parts as those of the embodiment of FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. A rotary drive source 8'is connected to an outwardly extending portion of the shaft 6 from the upper tightening plate 2. The rotary drive source 8'is composed of, for example, a motor such as a step motor or a rotary actuator, and is rotationally driven by receiving drive power. In the structure of this embodiment, when the rotary drive source 8'is operated while the battery block 1 is sandwiched by the upper and lower clamping plates 2 and 3, and is clamped and held, the shaft 6 rotates, and this rotation causes a bevel gear. Tightening bolt 5 in the center through the engagement of 71 and 72
Then, the tightening bolt 5 rotates a predetermined amount. As a result, the tightening bolt 5 at the central portion can be easily tightened from the outside of the battery block 1. Also in the case of the structure of the embodiment of FIG. 4, even when a plurality of battery blocks 1 are stacked as in the case of FIG. 3, the tightening bolt 5 at the central portion is automatically and easily increased from outside the battery block. Can be tightened.

【0014】なお、一対のかさ歯車による歯車機構にか
えてウォームギヤによる歯車機構などを伝達機構として
用いることも可能である。また、軸6を回転させる駆動
手段は、手動であっても自動であっても、中央部の締付
ボルトを外部操作によって増締めするという点では同一
効果が得られる。
It is also possible to use a gear mechanism such as a worm gear as a transmission mechanism instead of the gear mechanism including a pair of bevel gears. Further, the same effect can be obtained in that the driving means for rotating the shaft 6 is manually or automatically operated and the tightening bolt at the central portion is additionally tightened by an external operation.

【0015】[0015]

【発明の効果】以上の説明に明らかなとおり、本発明に
よれば、複数の電池ブロックを積層した状態であって
も、中央部の締付ボルトを含むすべての箇所の締付ボル
トの増締めが可能となるため、大面積セルの電池ブロッ
クであっても均一に締付けることができる。
As is apparent from the above description, according to the present invention, even when a plurality of battery blocks are stacked, the tightening bolts at all locations including the tightening bolt at the central portion are retightened. Therefore, even a large-area cell battery block can be tightened uniformly.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明に係る締付装置を備えた燃料電池1ブロ
ックの実施例を示す正面断面図である。
FIG. 1 is a front sectional view showing an embodiment of a block of a fuel cell 1 equipped with a tightening device according to the present invention.

【図2】図1の装置で用いる上下の締付板を示す斜視図
である。
FIG. 2 is a perspective view showing upper and lower tightening plates used in the apparatus of FIG.

【図3】本発明の実施例を示す複数電池ブロック積層時
の正面図である。
FIG. 3 is a front view showing a plurality of battery blocks stacked according to an embodiment of the present invention.

【図4】本発明の他の実施例を示す1電池ブロックの正
面断面図である。
FIG. 4 is a front sectional view of one battery block showing another embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1 電池ブロック 2 上締付板 3 下締付板 4 (周辺部の)締付ボルト 5 (中央部の)締付ボルト 6 (伝達)軸 8 ハンドル(駆動手段) 8’ 回転駆動源(駆動手段) 71 かさ歯車(伝達機構) 72 かさ歯車(伝達機構) 1 Battery Block 2 Upper Tightening Plate 3 Lower Tightening Plate 4 Tightening Bolt 5 (in the peripheral part) Tightening Bolt 6 (in the central part) 6 (Transmission) Shaft 8 Handle (Driving Means) 8'Rotation Driving Source (Driving Means) ) 71 bevel gear (transmission mechanism) 72 bevel gear (transmission mechanism)

───────────────────────────────────────────────────── フロントページの続き (72)発明者 高島 正 茨城県日立市幸町3丁目1番1号 株式会 社 日立製作所 日立工場内 (56)参考文献 特開 昭59−108279(JP,A) 実開 昭60−60872(JP,U) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tadashi Takashima 3-1-1, Saiwaicho, Hitachi, Ibaraki Hitachi Ltd., Hitachi factory (56) References JP-A-59-108279 (JP, A) Actual development Sho 60-60872 (JP, U)

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 単位電池を複数個積層設置して形成され
た電池ブロックを少なくとも2積層してなり、各電池
ブロックの上下に締付板を配置すると共に、上下の締
付板を貫通する締付ボルトの各端部を該締付板の外面に
ナットで締めることにより電池ブロックを締付ける積
型燃料電池において、前記上下の締付板の外面側で前記締付ボルトが貫通する
部位に凹部を形成し、該凹部内にそれぞれの締付ボルト
の端部とナットを収めると共に、前記電池ブロック の中
央部に配置された締付ボルトのいずれか一端、もしく
両端に該締付ボルトに回動力を伝達するために組付
けられた伝達機構と、該伝達機構に接続し外方に延出す
る駆動軸とを設け、かつ前記伝達機構は前記上または下
の締付板の中央部に形成した凹部内に収め、前記駆動軸
は前記中央部の凹部内から周辺まで延びて形成した凹溝
内に収め、前記駆動軸の延出部には前記伝達機構を介し
前記中央部の締付ボルトを回動させる外部操作用の駆動
手段を設けたことを特徴とする積層型燃料電池。
1. A becomes the unit battery cell blocks formed by installing a plurality stacked with at least two stacked, up and down with the placing clamping plate of each battery block, through the upper and lower tightening plate Each end of the tightening bolt to the outer surface of the tightening plate.
In the product layer fuel cell Tighten the battery block by tightening a nut, the fastening bolt passing through the outer surface side of the biasing upper and lower clamping plate
A recess is formed in the part, and each tightening bolt is provided in the recess.
Together accommodate the end and the nut, one end of the battery fastening bolt disposed in a central portion of the block, Moshiku <br/> is set to transmit rotational force to該締bolts at both ends With
The eclipsed transmission mechanism and the connection to the transmission mechanism and the outward extension
And a drive shaft, and the transmission mechanism is
The drive shaft is housed in a recess formed in the center of the tightening plate
Is a groove formed by extending from the inside of the recess to the periphery.
A stacked fuel cell , which is housed in the drive shaft, is provided with an external operation drive means for rotating the tightening bolt at the central portion via the transmission mechanism at the extending portion of the drive shaft .
【請求項2】 前記伝達機構前記中央部に配置された
締付ボルトの一端に取付けられたかさ歯車と、該かさ歯
車とかみ合い前記駆動軸の一端に取付けられ別のかさ歯
車とから構成したことを特徴とする請求項1記載の積層
型燃料電池。
Wherein said transduction mechanism and a bevel gear or attached to one end of the deployed tie bolts to the central portion, said bevel
It engages with the car and is attached to one end of the drive shaft and has another bevel tooth.
Laminated type fuel cell according to claim 1, characterized by being configured of a car.
JP4169304A 1992-06-26 1992-06-26 Stacked fuel cell Expired - Fee Related JPH081812B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4169304A JPH081812B2 (en) 1992-06-26 1992-06-26 Stacked fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4169304A JPH081812B2 (en) 1992-06-26 1992-06-26 Stacked fuel cell

Publications (2)

Publication Number Publication Date
JPH0613101A JPH0613101A (en) 1994-01-21
JPH081812B2 true JPH081812B2 (en) 1996-01-10

Family

ID=15884050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4169304A Expired - Fee Related JPH081812B2 (en) 1992-06-26 1992-06-26 Stacked fuel cell

Country Status (1)

Country Link
JP (1) JPH081812B2 (en)

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JP2005259409A (en) * 2004-03-10 2005-09-22 Ricoh Co Ltd Fuel cell and electrical apparatus
KR100710274B1 (en) * 2005-12-29 2007-04-20 재단법인서울대학교산학협력재단 Fastening structure of a fuel cell stack
KR100746270B1 (en) * 2006-01-20 2007-08-03 재단법인서울대학교산학협력재단 Fastening apparatus for a fuel cell stack
KR100859957B1 (en) * 2007-04-06 2008-09-24 주식회사 미트 Metal air fuel stack cell
KR20080104566A (en) * 2007-05-28 2008-12-03 삼성에스디아이 주식회사 Stack for fuel cell
KR100887830B1 (en) * 2007-07-11 2009-03-09 현대자동차주식회사 Fuel-cell stack having center hole type stack assembly device
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CN103569569A (en) * 2012-08-02 2014-02-12 林海山 Conveyor
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JPS59108279A (en) * 1982-12-10 1984-06-22 Sanyo Electric Co Ltd Compression device for fuel cell stack and its compression method
JPS6060872U (en) * 1983-10-04 1985-04-27 三洋電機株式会社 Fuel cell tightening device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115275301A (en) * 2022-08-08 2022-11-01 浙江海盐力源环保科技股份有限公司 Fuel cell stack structure with pull rod fastening

Also Published As

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