JPH1083842A - Zinc-bromine battery - Google Patents
Zinc-bromine batteryInfo
- Publication number
- JPH1083842A JPH1083842A JP8240070A JP24007096A JPH1083842A JP H1083842 A JPH1083842 A JP H1083842A JP 8240070 A JP8240070 A JP 8240070A JP 24007096 A JP24007096 A JP 24007096A JP H1083842 A JPH1083842 A JP H1083842A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- casing
- magnet
- zinc
- way valve
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Multiple-Way Valves (AREA)
- Filling, Topping-Up Batteries (AREA)
- Hybrid Cells (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は亜鉛−臭素電池に関
し、四方弁を改良したものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a zinc-bromine battery, which is an improved four-way valve.
【０００２】[0002]
【従来の技術】亜鉛−臭素電池は正極活物質に臭素、負
極活物質に亜鉛を用いた２次電池であり、この電池は例
えば電力使用量の昼と夜のアンバランスを解決させるた
めに、電力需要が少ない夜間に電力を貯蔵して、昼間に
放出させるため等に使用される。2. Description of the Related Art A zinc-bromine battery is a secondary battery in which bromine is used as a positive electrode active material and zinc is used as a negative electrode active material. It is used for storing electric power at night when power demand is small and releasing it during the day.
【０００３】充電時に正極電極側で発生した臭素は、電
解液に添加した臭素錯化剤と反応し、オイル状の沈殿物
となって貯蔵タンクへ戻され、放電時はポンプで単電池
内へ送り込まれ還元される。電解液の成分はＺｎＢｒ2
水溶液と、抵抗を下げるためのＮＨ4Ｃｌ等の塩と、負
極亜鉛側のデンドライトを防止し、均一な電着を促進さ
せるためのＰｂ，Ｓｎ，４級アンモニウム塩類と、臭素
錯化剤とである。正極電極と負極電極の間にはセパレー
タを介挿してあり、正極電極で発生した臭素が負極電極
へ拡散して亜鉛と反応することによる自己放電を防止し
ている。[0003] The bromine generated on the positive electrode side during charging reacts with the bromine complexing agent added to the electrolytic solution, returns to the storage tank as an oily precipitate, and is discharged into the unit cell by a pump during discharging. It is sent and reduced. The component of the electrolyte is ZnBr 2
An aqueous solution, a salt such as NH 4 Cl for lowering resistance, Pb, Sn, quaternary ammonium salts for preventing dendrite on the negative electrode zinc side and promoting uniform electrodeposition, and a bromine complexing agent is there. A separator is interposed between the positive electrode and the negative electrode to prevent self-discharge caused by bromine generated at the positive electrode diffusing into the negative electrode and reacting with zinc.
【０００４】この亜鉛−臭素電池の化学反応は、The chemical reaction of this zinc-bromine battery is as follows:
【０００５】[0005]
【化１】 充電時…正極：２Ｂｒ-→Ｂｒ2＋２ｅ-，負極：Ｚｎ++＋２ｅ-→Ｚｎ 放電時…正極：２Ｂｒ-←Ｂｒ2＋２ｅ-，負極：Ｚｎ++＋２ｅ-←Ｚｎ で表される。During charging: Positive electrode: 2Br − → Br 2 + 2e − , Negative electrode: Zn ++ + 2e − → Zn Discharging: Positive electrode: 2Br − ← Br 2 + 2e − , Negative electrode: Zn ++ + 2e − ← Zn Is done.
【０００６】この亜鉛−臭素電池は、主に電極をバイポ
ーラ型とし、複数個の単電池（単セル）を電気的に直列
に積層した電池本体と、電解液タンクと、これらの間に
電解液を循環させるポンプおよび配管系とで構成されて
いる。This zinc-bromine battery mainly has a bipolar electrode, a battery body in which a plurality of single cells (single cells) are electrically stacked in series, an electrolyte tank, and an electrolyte solution between these. And a piping system for circulating water.
【０００７】図６の概要図に基づいて亜鉛−臭素電池の
作動原理を説明する。図中の１は正極側タンクであって
該正極側タンク１内に正極電解液２と臭素錯化合物３と
が貯蔵されている。４は負極側タンクであって該負極側
タンク４内に負極電解液５が貯蔵されている。そして正
極電解液２は正極側ポンプ６の駆動に伴って、四方弁７
を介して図中の矢印に示した如く電池本体の正極マニホ
ールド８から正極室内を流通し、正極側タンク１に還流
する一方、負極電解液５は負極側ポンプ９の駆動に伴っ
て、電池本体の負極マニホールド１０からセパレータ１
１に隔てられた負極室内を流通して負極側タンク４に還
流する。１２は中間電極、１３は集電電極である。The principle of operation of the zinc-bromine battery will be described with reference to the schematic diagram of FIG. In the drawing, reference numeral 1 denotes a positive electrode side tank in which a positive electrode electrolyte 2 and a bromine complex compound 3 are stored. Reference numeral 4 denotes a negative electrode side tank in which a negative electrode electrolyte 5 is stored. The positive electrode electrolyte 2 is supplied to the four-way valve 7 by driving the positive electrode pump 6.
As shown by an arrow in the drawing, the anode electrolyte 8 flows through the cathode chamber from the cathode manifold 8 of the battery body and returns to the tank 1 on the cathode side, while the anode electrolyte 5 is driven by the pump 9 on the anode side. From the negative electrode manifold 10 to the separator 1
1 and flows back to the negative electrode tank 4 through the negative electrode chamber. 12 is an intermediate electrode, and 13 is a current collecting electrode.
【０００８】この亜鉛−臭素電池は、充電時に正極側で
発生した臭素が電解液中に含まれる臭素錯化剤（４級ア
ンモニウム塩）と反応してオイル状の臭素コンプレック
スとして正極側タンク１の底に貯留され、コンプレック
ス化されない臭素は、Ｂｒ3 -イオンとなって電解液に溶
解し、亜鉛はカーボンプラスチック電極に電析する。カ
ーボンプラスチック電極とは、ポリエチレンとカーボン
グラファイトを混合して成形した部材であり、臭素に対
する耐腐食性を有している。In this zinc-bromine battery, bromine generated on the positive electrode side during charging reacts with a bromine complexing agent (quaternary ammonium salt) contained in the electrolyte to form an oily bromine complex in the positive electrode tank 1. The uncomplexed bromine stored at the bottom becomes Br 3 - ions and dissolves in the electrolyte, and zinc deposits on the carbon plastic electrode. The carbon plastic electrode is a member formed by mixing polyethylene and carbon graphite, and has corrosion resistance to bromine.
【０００９】ここで、四方弁７は亜鉛−臭素電池の運転
中に定期的に正極電解液２の流れる方向を切り換える必
要があることから、耐久性が求められる。この四方弁７
の構造を図７に示す。図７中、１５はケーシング、１６
はロータ、１７はモータ、１８はモータ１７の出力軸１
７ａとロータ１６の入力軸１６ａとを連動連結するカッ
プリング、１９は入力軸１６ａの外周面に形成した円周
溝に嵌め込んだシール材である。ロータ１６は、図８に
も示すように、一対の円板部１６ｂどうしを、その直径
方向へのびる仕切部１６ｃによって一体に連結した形状
になっている。Here, the four-way valve 7 is required to have durability since it is necessary to periodically switch the flow direction of the positive electrode electrolyte 2 during the operation of the zinc-bromine battery. This four-way valve 7
Is shown in FIG. 7, reference numeral 15 denotes a casing;
Is the rotor, 17 is the motor, 18 is the output shaft 1 of the motor 17
A coupling 19 for interlockingly connecting the input shaft 16a of the rotor 16 with the input shaft 7a, and a seal member 19 fitted in a circumferential groove formed on the outer peripheral surface of the input shaft 16a. As shown in FIG. 8, the rotor 16 has a shape in which a pair of disk portions 16b are integrally connected to each other by a partition portion 16c extending in the diameter direction.
【００１０】このため、仕切部１６ｃが図８で示す位置
を占めると、図６に示すように、正極側ポンプ６から正
極電解液２が正極マニホールド８へ向かって流れる一
方、電池本体の下方から正極側タンク１の上部へ戻る。
仕切部１６ｃが図８と直角な位置を占めると、正極電解
液２は正極ポンプ６から電池本体の下方へ流入する一
方、正極マニホールド８から正極側タンク１の上部へ戻
る。For this reason, when the partition 16c occupies the position shown in FIG. 8, as shown in FIG. 6, the cathode electrolyte 2 flows from the cathode side pump 6 toward the cathode manifold 8, and from below the battery body. Return to the upper part of the positive electrode tank 1.
When the partition 16c occupies a position perpendicular to FIG. 8, the positive electrode electrolyte 2 flows downward from the positive electrode pump 6 to the lower side of the battery main body, and returns from the positive electrode manifold 8 to the upper part of the positive electrode side tank 1.
【００１１】[0011]
【発明が解決しようとする課題】ところが、四方弁によ
る流路の切換時に図８中の仕切部１６ｃが水平になる
と、正極電解液の下方から上方へ向かう流れによってロ
ータが上方へ押し付けられて傾き、シール材１９から漏
れを生じる。However, when the partition 16c in FIG. 8 becomes horizontal when the flow path is switched by the four-way valve, the rotor is pressed upward by the upward flow of the positive electrode electrolyte and tilts. , Leakage from the sealing material 19.
【００１２】また、図７，図８に示すようにロータ１６
とケーシング１５との間にギャップＧ1〜Ｇ3があるた
め、ケーシング１５内の異なる流路間で漏れを生じる。Further, as shown in FIGS.
And since between the casing 15 there is a gap G 1 ~G 3, resulting in leakage between the different flow paths within the casing 15.
【００１３】そこで本発明は、斯かる課題を解決した亜
鉛−臭素電池を提供することを目的とする。Accordingly, an object of the present invention is to provide a zinc-bromine battery which has solved the above-mentioned problems.
【００１４】[0014]
【課題を解決するための手段】斯かる目的を達成するた
めの請求項１に係る四方弁の構成は、回転軸を貫通させ
ることなくケーシングの内部を気密に保持した状態でケ
ーシング内のロータが外部のモータによって駆動できる
ように、ロータに従動磁石を取り付ける一方、ケーシン
グの外部のモータの出力軸には駆動磁石を取り付けたこ
とを特徴とする。According to a first aspect of the present invention, there is provided a four-way valve, wherein a rotor in a casing is hermetically sealed while keeping the interior of the casing airtight without penetrating a rotary shaft. A driven magnet is attached to the rotor so that it can be driven by an external motor, and a driving magnet is attached to the output shaft of the motor outside the casing.
【００１５】請求項２に係る四方弁の構成は、ロータの
外周面に流路間を区切るためのシール材を取り付けたこ
とを特徴とする。A four-way valve according to a second aspect of the invention is characterized in that a seal member for separating between flow paths is attached to an outer peripheral surface of the rotor.
【００１６】請求項３に係る四方弁の構成は、ロータの
軸方向への漏れを防止するために、一対の回転リングを
ロータの端面に取り付ける一方、回転リングと摺動する
一対の固定リングをケーシングに取り付け、円周方向へ
の漏れを防止するために、ロータの外周面又はケーシン
グの内周面にシール材を設けたことを特徴とする。According to a third aspect of the present invention, in order to prevent the rotor from leaking in the axial direction, a pair of rotating rings are attached to the end face of the rotor, and a pair of fixed rings sliding with the rotating ring are provided. A seal member is provided on the outer peripheral surface of the rotor or the inner peripheral surface of the casing so as to be attached to the casing and prevent leakage in the circumferential direction.
【００１７】[0017]
【発明の実施の形態】以下、本発明を図面に示す実施例
に基づいて詳細に説明する。なお、本実施例は従来の亜
鉛−臭素電池の一部を改良したものなので、従来と同一
部分には同一符号を付して説明を省略し、異なる部分の
みを説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings. In this embodiment, since a part of the conventional zinc-bromine battery is improved, the same parts as those in the related art are denoted by the same reference numerals, and description thereof will be omitted. Only different parts will be described.
【００１８】（ａ）実施例１ 本発明による亜鉛−臭素電池の構成を、図１〜図２に示
す。本発明では、四方弁２０の構造が図１のようになっ
ている。(A) Example 1 FIGS. 1 and 2 show the structure of a zinc-bromine battery according to the present invention. In the present invention, the structure of the four-way valve 20 is as shown in FIG.
【００１９】ロータ１６の図中の左側には従動磁石２１
が嵌合して取り付けられ、従動磁石２１の軸心位置には
スリーブ２２を介して支持軸２３が嵌合されている。ケ
ーシング１５には、従動磁石２１を覆うようにして、非
金属からなるカバー２４がＯリング２５を介して気密に
取り付けられている。そして、カバー２４に形成された
穴２６に支持軸２３が回転自在に挿入されている。A driven magnet 21 is provided on the left side of the rotor 16 in the drawing.
The supporting shaft 23 is fitted via a sleeve 22 at the axial position of the driven magnet 21. A nonmetal cover 24 is hermetically attached to the casing 15 via an O-ring 25 so as to cover the driven magnet 21. The support shaft 23 is rotatably inserted into a hole 26 formed in the cover 24.
【００２０】カバー２４の外側には支持枠３６がケーシ
ング１５に取り付けて設けられ、支持枠３６に駆動手段
としてのモータ１７が取り付けられている。モータ１７
の出力軸１７ａには有底円筒形のホルダ２７が取り付け
られ、ホルダ２７の内面にはカバー２４を介して従動磁
石２１と対向する駆動磁石２８が従動磁石２１を囲繞す
るような位置に取り付けられている。駆動磁石２８と従
動磁石２１とは円周方向へ夫々同じ数だけ配置されると
ともに、円周方向に沿ってＳ極とＮ極とが交互配置にな
っている。A support frame 36 is provided on the outside of the cover 24 so as to be mounted on the casing 15, and the motor 17 as a driving means is mounted on the support frame 36. Motor 17
A cylindrical holder 27 with a bottom is attached to the output shaft 17a, and a driving magnet 28 opposed to the driven magnet 21 via a cover 24 is attached to an inner surface of the holder 27 at a position surrounding the driven magnet 21. ing. The driving magnet 28 and the driven magnet 21 are arranged by the same number in the circumferential direction, and the S pole and the N pole are alternately arranged along the circumferential direction.
【００２１】次に、流路間での電解液の漏れを防止する
ために、図２（ａ）のようなロータが用いられている。
従来は図２（ｂ）に示すように２つの流路を形成するた
めに切欠部１６ｄ，１６ｄが形成されるだけであった。
本発明では図２（ａ）に示すようにロータ１６の外周面
に端部のない閉じた形状を描く溝が形成され、この溝は
ロータ１６の外周面上において一対の切欠部１６ｄどう
しを区切るように設けられている。そして、この溝内に
シール材２９が嵌め込まれている。Next, a rotor as shown in FIG. 2A is used to prevent leakage of the electrolyte between the flow paths.
Conventionally, as shown in FIG. 2B, only notches 16d, 16d were formed to form two flow paths.
In the present invention, as shown in FIG. 2A, a groove having a closed shape without an end is formed on the outer peripheral surface of the rotor 16, and this groove separates a pair of notches 16d on the outer peripheral surface of the rotor 16. It is provided as follows. Then, a sealing material 29 is fitted into the groove.
【００２２】次に、斯かる四方弁の作用を説明する。電
解液の流れを切り換えたい場合は、モータ１７の出力軸
１７ａを回転させる。すると、駆動磁石２８が回転し、
駆動磁石２８に吸引される従動磁石２１が回転すること
から、ロータ１６が回転して流路の切り換えが行われ
る。ロータ１６の外周面上において切欠部１６ｄ，１６
ｄ間の境界位置にシール材２９が設けられていることか
ら、一方の流路から他方の流路へ電解液が漏れるような
ことはない。Next, the operation of the four-way valve will be described. When it is desired to switch the flow of the electrolyte, the output shaft 17a of the motor 17 is rotated. Then, the drive magnet 28 rotates,
Since the driven magnet 21 attracted by the drive magnet 28 rotates, the rotor 16 rotates and the flow path is switched. On the outer peripheral surface of the rotor 16, the notches 16d, 16
Since the seal member 29 is provided at the boundary position between d, the electrolyte does not leak from one flow path to the other flow path.
【００２３】（ｂ）実施例２ 次に、本発明による亜鉛−臭素電池の実施例２に用いる
四方弁を図３，図４に基づいて説明する。(B) Second Embodiment Next, a four-way valve used in a second embodiment of the zinc-bromine battery according to the present invention will be described with reference to FIGS.
【００２４】モータ１７の出力軸１７ａとロータ１６と
の動力の伝達に磁石を用いる点は実施例１と同じなので
説明を省略する。The point that a magnet is used for transmitting the power between the output shaft 17a of the motor 17 and the rotor 16 is the same as in the first embodiment, and the description is omitted.
【００２５】四方弁における２つの流路間で漏れが生じ
ないようにするための構成について説明する。図３に示
すようにロータ１６の軸方向での流路間での漏れを防止
するために、一対の固定リング３０と一対の回転リング
３１とからなる軸受が設けられる。回転リング３１は長
方形の断面形状を有し、ロータ１６の両端の外周面に埋
め込むようにして固着されている。一方、固定リング３
０は、回転リング３１の外周面及び片方の端面に摺動す
るように略Ｌ字形の断面形状を有し、ケーシング１５の
内周面に固着されている。固定リング３０と回転リング
３１とは、相対的な硬度が大きく異なる材料によって形
成されている。摩耗を抑制するためである。A configuration for preventing leakage from occurring between the two flow paths in the four-way valve will be described. As shown in FIG. 3, a bearing including a pair of fixed rings 30 and a pair of rotating rings 31 is provided to prevent leakage between the flow paths in the axial direction of the rotor 16. The rotating ring 31 has a rectangular cross-sectional shape, and is fixed so as to be embedded in the outer peripheral surfaces at both ends of the rotor 16. On the other hand, the fixing ring 3
Numeral 0 has a substantially L-shaped cross-sectional shape so as to slide on the outer peripheral surface and one end surface of the rotating ring 31, and is fixed to the inner peripheral surface of the casing 15. The fixed ring 30 and the rotating ring 31 are formed of materials having relatively different relative hardnesses. This is to suppress wear.
【００２６】ロータ１６の円周方向での流路からの漏れ
を防止するために、図４に示すようにロータ１６の外周
面にシール材３２が設けられる。円周方向における仕切
部１６ｃと対応するとともに相互に１８０°をなす２位
置であってロータ１６の軸心方向に沿う回転リング３１
間に溝３３が形成され、溝３３内に複数のバネ３４を介
してシール材３２が収容されている。In order to prevent leakage from the flow path in the circumferential direction of the rotor 16, a seal member 32 is provided on the outer peripheral surface of the rotor 16 as shown in FIG. The rotary ring 31 corresponding to the partition 16c in the circumferential direction and at two positions 180 ° from each other and along the axial direction of the rotor 16
A groove 33 is formed therebetween, and the sealing material 32 is accommodated in the groove 33 via a plurality of springs 34.
【００２７】斯かる四方弁の作用を説明する。図３にお
いてロータ１６が回動すると、固定リング３０と回動リ
ング３１との間で摺動することから、固定リング３０と
回転リング３１との間には電解液がほとんど流れず、二
対のリングで構成される軸受が各流路からの軸方向への
漏れに対するシールとして機能する。また、図４に示す
ようにシール材３２がバネ３４によってケーシング１５
の内周面に押圧されるので、各流路からの円周方向への
漏れも防止される。その他の作用は実施例１と同じなの
で説明を省略する。The operation of such a four-way valve will be described. In FIG. 3, when the rotor 16 rotates, the electrolyte slides between the fixed ring 30 and the rotating ring 31 because the fixed ring 30 slides between the fixed ring 30 and the rotating ring 31. A bearing composed of a ring functions as a seal against axial leakage from each flow path. Further, as shown in FIG.
Is pressed against the inner peripheral surface of the fluid passage, so that leakage in the circumferential direction from each flow path is also prevented. The other operations are the same as those in the first embodiment, and the description is omitted.
【００２８】（ｃ）実施例３ 最後に、本発明による亜鉛−臭素電池の実施例３に用い
る四方弁を図５に基づいて説明する。(C) Embodiment 3 Finally, a four-way valve used in Embodiment 3 of the zinc-bromine battery according to the present invention will be described with reference to FIG.
【００２９】モータ１７の出力軸１７ａとロータ１６と
の動力の伝達に磁石を用いる点は実施例１と同じなので
説明を省略する。Since the use of a magnet for transmitting power between the output shaft 17a of the motor 17 and the rotor 16 is the same as in the first embodiment, the description is omitted.
【００３０】電解液の漏れ対策であってロータ１６の軸
方向については、図３に示す実施例２と同じなので、説
明を省略する。The axial direction of the rotor 16 is the same as that in the second embodiment shown in FIG. 3 and is not described here.
【００３１】電解液の漏れ対策であってロータ１６の円
周方向については、図５のように構成される。即ち、図
５に示すように四方弁が２位置を占めるときのロータ１
６の仕切部１６ｃと対向するケーシング１５の内周面
に、実施例２でロータ１６に形成した溝と同じ長さの溝
が形成され、溝内にシール材３５が収容されている。FIG. 5 shows a structure for preventing leakage of the electrolyte and the circumferential direction of the rotor 16. That is, when the four-way valve occupies two positions as shown in FIG.
A groove having the same length as the groove formed in the rotor 16 in the second embodiment is formed on the inner peripheral surface of the casing 15 facing the partition part 16c of No. 6, and the sealing material 35 is accommodated in the groove.
【００３２】次に、斯かる亜鉛−臭素電池の作用を説明
する。図４においてシール材３２を設けたのと同様に、
シール材３５の存在によって夫々の流路からロータ１６
の円周方向への漏れが防止される。夫々の流路からロー
タ１６の軸心方向への漏れの防止と、モータ１７の出力
軸１７ａとロータ１６との動力伝達に磁石を用いた点に
ついては実施例２と同じなので、説明を省略する。Next, the operation of the zinc-bromine battery will be described. As in the case where the sealing material 32 is provided in FIG.
Due to the presence of the sealing material 35, the rotor 16
Is prevented from leaking in the circumferential direction. Embodiment 2 is the same as Embodiment 2 in that leakage is prevented from the respective flow paths in the axial direction of the rotor 16 and that a magnet is used to transmit power between the output shaft 17 a of the motor 17 and the rotor 16, and the description is omitted. .
【００３３】なお、実施例１〜３では駆動磁石を外側
に、従動磁石を内側に配置したが、相互に反対の配置に
してもよい。また、駆動磁石と従動磁石とを実施例１〜
３のように内側と外側とに配置するのではなく、軸心方
向の一方側と他方側とに配置するようにしてもよい。In the first to third embodiments, the driving magnet is arranged outside and the driven magnet is arranged inside, but they may be arranged opposite to each other. In addition, the driving magnet and the driven magnet were used in the first to fifth embodiments.
Instead of being arranged on the inside and outside as in 3, it may be arranged on one side and the other side in the axial direction.
【００３４】[0034]
【発明の効果】以上の説明からわかるように、請求項１
〜３による亜鉛−臭素電池によれば駆動磁石と従動磁石
とにより駆動力を伝達するので、ロータの軸がケーシン
グを貫通する部分に設けていたシールを廃止することが
でき、この部分からの電解液の漏れを皆無にすることが
できる。As can be seen from the above description, claim 1
According to the zinc-bromine battery of Nos. 1 to 3, since the driving force is transmitted by the driving magnet and the driven magnet, the seal provided at the portion where the rotor shaft passes through the casing can be eliminated, and the electrolysis from this portion can be eliminated. Liquid leakage can be completely eliminated.
【００３５】請求項２〜３による亜鉛−臭素電池によれ
ば、ロータとケーシングとの間にシール材等を設けたの
で、四方弁の流路間で電解液が漏れるようなことはな
い。According to the zinc-bromine battery of the second and third aspects, since a sealing material is provided between the rotor and the casing, the electrolyte does not leak between the flow paths of the four-way valve.
【図１】本発明による亜鉛−臭素電池の実施例１におけ
る四方弁の断面図。FIG. 1 is a cross-sectional view of a four-way valve in a first embodiment of a zinc-bromine battery according to the present invention.
【図２】本発明による亜鉛−臭素電池の実施例１におけ
る四方弁のロータを従来と比較して示す斜視図。FIG. 2 is a perspective view showing a four-way valve rotor in a first embodiment of a zinc-bromine battery according to the present invention, as compared with a conventional one.
【図３】本発明による亜鉛−臭素電池の実施例２におけ
る四方弁の断面図。FIG. 3 is a cross-sectional view of a four-way valve in Embodiment 2 of the zinc-bromine battery according to the present invention.
【図４】図３のＡ−Ａ矢視図。FIG. 4 is a view taken in the direction of arrows AA in FIG. 3;
【図５】本発明による亜鉛−臭素電池の実施例３におけ
る四方弁の要部断面図。FIG. 5 is a sectional view of a main part of a four-way valve in a third embodiment of the zinc-bromine battery according to the present invention.
【図６】亜鉛−臭素電池の構成図。FIG. 6 is a configuration diagram of a zinc-bromine battery.
【図７】亜鉛−臭素電池における四方弁の従来の構成
図。FIG. 7 is a conventional configuration diagram of a four-way valve in a zinc-bromine battery.
【図８】図７のＢ−Ｂ矢視図。8 is a view taken in the direction of arrows BB in FIG. 7;
１…正極側タンク １５…ケーシング １６…ロータ １７…モータ １７ａ…駆動軸 ２０…四方弁 ２１…従動磁石 ２４…カバー ２８…駆動磁石 ２９…シール材 ３０…固定リング ３１…回転リング ３２，３５…シール材 DESCRIPTION OF SYMBOLS 1 ... Positive electrode side tank 15 ... Casing 16 ... Rotor 17 ... Motor 17a ... Drive shaft 20 ... Four-way valve 21 ... Follower magnet 24 ... Cover 28 ... Drive magnet 29 ... Sealing material 30 ... Fixing ring 31 ... Rotating ring 32, 35 ... Seal Lumber
Claims (3)
を接続するとともに直交する流路の交点の位置に四方弁
を配置し、四方弁は、気密に構成されて夫々の流路に連
通するケーシングと、ケーシング内に回動自在に支持さ
れて流路間での接続交換を行うロータと、ケーシングの
外部に配置されてロータに連動連結された駆動手段とで
構成した亜鉛−臭素電池において、 前記ケーシング内のロータに従動磁石を装着する一方、
ケーシング外における駆動手段の出力軸には従動磁石と
対向する駆動磁石を装着し、ケーシングにおける駆動磁
石と従動磁石との間に位置する部分を非金属で形成した
ことを特徴とする亜鉛−臭素電池。An electrolyte tank is connected to a battery body via a four-way valve, and a four-way valve is arranged at a position of an intersection of orthogonal flow paths. The four-way valve is airtightly formed and communicates with each flow path. And a rotor rotatably supported in the casing to exchange connections between flow paths, and a driving means disposed outside the casing and interlocked with the rotor. While mounting a driven magnet in the rotor in the casing,
A zinc-bromine battery in which a driving magnet facing a driven magnet is mounted on an output shaft of a driving means outside a casing, and a portion of the casing located between the driving magnet and the driven magnet is formed of nonmetal. .
周面に形成された一対の切欠部をロータの外周面上で区
切るために、ロータの外周面に端部のない閉じた形状を
描く溝を形成し、当該溝の中にシール材を嵌め込んだ請
求項１に記載の亜鉛−臭素電池。2. A closed shape having no end on the outer peripheral surface of the rotor for separating a pair of cutouts formed on the outer peripheral surface of the rotor on the outer peripheral surface of the rotor to form a pair of flow paths. 2. The zinc-bromine battery according to claim 1, wherein a groove to be drawn is formed, and a sealing material is fitted into the groove.
回転リングを固着する一方、ケーシングには回転リング
と摺動する固定リングを固着してロータの軸受を構成
し、ロータの外周面とケーシングの内周面とのうちのい
ずれか一方における一対の流路間を区切る位置に、ロー
タの軸心と略平行なシール材を取り付けた請求項１に記
載の亜鉛−臭素電池。3. A rotating bearing is fixed to the casing in the vicinity of the outer peripheral surfaces of both ends of the substantially cylindrical rotor, and a fixed ring that slides with the rotating ring is fixed to the casing to constitute a rotor bearing. 2. The zinc-bromine battery according to claim 1, wherein a sealant substantially parallel to the axis of the rotor is attached to a position separating one of the pair of flow passages on one of the flow path and the inner peripheral surface of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8240070A JPH1083842A (en) | 1996-09-11 | 1996-09-11 | Zinc-bromine battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8240070A JPH1083842A (en) | 1996-09-11 | 1996-09-11 | Zinc-bromine battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1083842A true JPH1083842A (en) | 1998-03-31 |
Family
ID=17054051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8240070A Pending JPH1083842A (en) | 1996-09-11 | 1996-09-11 | Zinc-bromine battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1083842A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333223C (en) * | 2003-06-20 | 2007-08-22 | 丹福斯有限公司 | Refrigerator |
| JP2011007328A (en) * | 2009-06-23 | 2011-01-13 | Value Plastics Inc | Multiport valve |
| KR101209745B1 (en) | 2010-12-03 | 2012-12-07 | 현대자동차주식회사 | fuel cell system |
| CN109899334A (en) * | 2019-02-19 | 2019-06-18 | 南京南瑞水利水电科技有限公司 | A kind of hydrogovernor rotary valve main control valve |
-
1996
- 1996-09-11 JP JP8240070A patent/JPH1083842A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333223C (en) * | 2003-06-20 | 2007-08-22 | 丹福斯有限公司 | Refrigerator |
| JP2011007328A (en) * | 2009-06-23 | 2011-01-13 | Value Plastics Inc | Multiport valve |
| KR101209745B1 (en) | 2010-12-03 | 2012-12-07 | 현대자동차주식회사 | fuel cell system |
| CN109899334A (en) * | 2019-02-19 | 2019-06-18 | 南京南瑞水利水电科技有限公司 | A kind of hydrogovernor rotary valve main control valve |
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