JPS6324567A - Fuel cell - Google Patents
Fuel cellInfo
- Publication number
- JPS6324567A JPS6324567A JP61168723A JP16872386A JPS6324567A JP S6324567 A JPS6324567 A JP S6324567A JP 61168723 A JP61168723 A JP 61168723A JP 16872386 A JP16872386 A JP 16872386A JP S6324567 A JPS6324567 A JP S6324567A
- Authority
- JP
- Japan
- Prior art keywords
- coolant
- cooling medium
- fuel cell
- switch
- drain tank
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 18
- 239000002826 coolant Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 208000033748 Device issues Diseases 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 3
- 239000007800 oxidant agent Substances 0.000 abstract description 2
- 230000005779 cell damage Effects 0.000 abstract 1
- 208000037887 cell injury Diseases 0.000 abstract 1
- 230000005856 abnormality Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Fuel Cell (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は燃料電池の冷却装置に係り、冷却媒体の漏れ
を検出するものに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a cooling device for a fuel cell, and relates to a device for detecting leakage of a cooling medium.
第２図は例えば特公昭５８−３３６７０号公報に示され
た従来の燃料電池を示す断面図であり、図において、＋
１１は電池積層体、（２）は冷却媒体供給配管（２ａ）
と冷却媒体排出配管（２ｂ）に接続された冷ＪＪＩ器、
（３）は燃料および酸化剤を電池積層体ｉｌｌに供給・
排出するためのへノダ、（４）はへノダ（３）のガス配
管、＋５１は＋１１〜（４）を収納する収納タンクであ
る。FIG. 2 is a sectional view showing a conventional fuel cell disclosed in, for example, Japanese Patent Publication No. 58-33670.
11 is a battery stack, (2) is a cooling medium supply pipe (2a)
and a cold JJI device connected to the cooling medium discharge pipe (2b),
(3) Supplying fuel and oxidizer to the battery stack ill
The henoda for discharging, (4) is the gas pipe of the henoda (3), and +51 is the storage tank that stores +11 to (4).
次に動作について説明する。電池積層体！１１の冷却は
冷却媒体供給配管（２ａ）を通じて冷却媒体を冷却器（
２）に供給し、電池積層体（１）内を流通じて冷却した
後の冷却媒体を冷却媒体排出配管（２ｂ）から排出する
。このような動作を繰り返すことにより、電池積層体（
１）の冷却を行っている。Next, the operation will be explained. Battery laminate! 11, the cooling medium is supplied to the cooler (2a) through the cooling medium supply pipe (2a).
2) and after being cooled by flowing through the battery stack (1), the coolant is discharged from the coolant discharge pipe (2b). By repeating this operation, the battery stack (
1) is being cooled.
従来の燃料電池系では、冷却系統における冷却媒体の漏
れ検出機構を特に設置されておらず、冷却系統の冷却媒
体の漏れ検出は、冷却系統に配置した冷却媒体の流量、
圧力、積層電池の温度等の情報で判断していた。しかし
、流量並びに圧力は温度に対して変動し、積層電池の温
度は積層電池の負荷、出力特性に依存し、評価・判断が
複雑であり、かつ、漏れの評価の感度が低いこと等から
、冷却媒体の漏れの評価が不充分で、しばしば゛多量の
冷却媒体漏れから電池破損事故の原因となっていた。こ
の発明は上記のような問題点を解消するためになされた
もので、燃料電池の冷却媒体の漏れを迅速に把握し、燃
料電池本体の冷却媒体流出による電池波…を防止する燃
料電池を得ることを目的とする。In conventional fuel cell systems, there is no particular mechanism for detecting coolant leaks in the cooling system.
The judgment was based on information such as pressure and temperature of the laminated battery. However, the flow rate and pressure vary with temperature, and the temperature of a stacked battery depends on the load and output characteristics of the stacked battery, making evaluation and judgment complicated, and the sensitivity of leakage assessment is low. The evaluation of cooling medium leakage was insufficient, and battery damage accidents were often caused by large amounts of cooling medium leaking. This invention was made in order to solve the above-mentioned problems, and provides a fuel cell that quickly detects the leakage of the cooling medium of the fuel cell and prevents the cell wave due to the leakage of the cooling medium from the fuel cell main body. The purpose is to
この発明に係る燃料電池は、ヘッダ内又は収納タンク内
に漏出する冷却媒体を接続配管を通じて溜めるドレンタ
ンクと、スイッチが閉成されると信号を発する信号発生
装置と、一方側がドレンタンク内に位置し、ドレンタン
ク内に溜まる冷却媒体の液位の変動に連動して上下方向
に浮動し、他方側が信号発生装置のスイッチと係合され
、一方側が所定の上方向まで浮動すると他方側がスイッ
チを閉成するフロート機構を設けたものである。The fuel cell according to the present invention includes a drain tank that stores cooling medium leaking into the header or storage tank through connecting piping, a signal generator that emits a signal when a switch is closed, and one side of which is located inside the drain tank. It floats vertically in conjunction with fluctuations in the liquid level of the cooling medium accumulated in the drain tank, and the other side engages with the switch of the signal generator, and when one side floats to a predetermined upward direction, the other side closes the switch. It is equipped with a float mechanism.
この発明における燃料電池は、ヘッダ内又は収納タンク
内に漏出する冷却媒体はドレンタンクに溜められ、所定
液位に達するフロート機構の他方側によりスイッチが閉
成され、信号発生装置から漏れ異常の信号を発する。In the fuel cell according to the present invention, the cooling medium leaking into the header or the storage tank is stored in the drain tank, and when the other side of the float mechanism reaches a predetermined liquid level, the switch is closed, and the signal generator sends a signal indicating a leakage abnormality. emits.
以下、この発明の一実施例を図について説明する。第１
図において、（６）は冷却器（２）あるいは冷却系から
ヘッダ（３）内に漏出する冷却媒体を接続配管（７）を
通じて溜めるドレンタンク、（８）はスイッチ（８ａ）
が閉成されると漏れ異常を知らせる信号例えばブザー等
の警報を発する信号発生装置、（９）は一方側（９ａ）
がドレンタンク（６）内に位置し、ドレンタンク（６）
内に溜まる冷却媒体の液位の変動に連動して上下方向に
浮動し、他方側（９ｂ）が信号発生装置（８）のスイッ
チ（８ａ）と係合され、一方側（９ａ）が所定の上方向
まで浮動すると他方側（９ｂ）がスイッチ（８ａ）を閉
成するフロート機構、（６Ｉ）は冷却系から収納タンク
（５）内に漏出する冷却媒体を接続配管（７１）を通じ
て溜めるドレンタンク（８１）はスイッチ（８１ａ）
が閉成されると漏れ異常を知らせる信号例えばブザー等
の警報を発する信号発生装置、（９１）は一方側（９１
ａ） がドレンタンク（６１）内に位置し、ドレンタン
ク（６１）内に溜まる冷却媒体の液位の変動に連動して
上下方向に浮動し、他方側（９１ｂ）が信号発生装置（
８１）のスイッチ（８１ａ） と係合され、一方側（
９１ａ）が所定の上方向まで浮動すると他方側（９１ｂ
）がスイッチ（８１ａ）を閉成するフロート機構である
。An embodiment of the present invention will be described below with reference to the drawings. 1st
In the figure, (6) is a drain tank that collects the cooling medium leaking from the cooler (2) or cooling system into the header (3) through the connecting pipe (7), and (8) is the switch (8a).
A signal generator (9) is one side (9a) that emits a signal such as a buzzer to notify of leakage abnormality when the is closed.
is located inside the drain tank (6), and the drain tank (6)
The other side (9b) is engaged with the switch (8a) of the signal generator (8), and the one side (9a) is engaged with the switch (8a) of the signal generator (8). When floating upward, the other side (9b) closes the switch (8a), and (6I) is a drain tank that collects the cooling medium leaking from the cooling system into the storage tank (5) through the connecting pipe (71). (81) is a switch (81a)
A signal generator (91) is connected to one side (91), which emits a signal such as a buzzer to notify of leakage abnormality when the switch is closed.
a) is located in the drain tank (61) and floats in the vertical direction in conjunction with fluctuations in the liquid level of the cooling medium accumulated in the drain tank (61), and the other side (91b) is a signal generator (
81) is engaged with the switch (81a) of one side (
91a) floats to a predetermined upward direction, the other side (91b
) is a float mechanism that closes the switch (81a).
次に動作について説明する。冷却器（２）は接続部の経
年劣化や、腐食によるピンホールなどから、冷却媒体が
、ミストや液体状で流出する。流出した冷却媒体は、ヘ
ッダ（３）内の底部に溜まり、接続配管（７）を通って
、ドレンタンク（６）に溜まり、次第に水位が上昇する
。予め設定した水位に達すると、フロート機構（９）の
他方側（９ｂ）がスイッチ（８ａ）を閉成し、信号発生
装置（８）が動作し、警報あるいは緊急停止の信号が表
示される。また、上記実施例では、ヘッダ（３）内にお
ける冷却媒体の漏れについて説明したが、収納タンク（
５）内の冷却媒体が流れる配管からの漏れについても、
第１回に示すように接続配管（８１）を通じて冷却媒体
はドレンタンク（６１）に溜まり、次第に水位が上昇す
る。予め設定した水位に達するとフロー）１１構（９１
）の他方側（９１ｂ）がスイッチ（８１ａ）を閉成し、
信号発生装置（８１）が動作し、警報あるいは緊急停止
の信号が表示される。Next, the operation will be explained. In the cooler (2), the cooling medium flows out in the form of mist or liquid due to pinholes caused by deterioration of the connections over time or corrosion. The coolant that has flowed out collects at the bottom of the header (3), passes through the connecting pipe (7), and collects in the drain tank (6), where the water level gradually rises. When the preset water level is reached, the other side (9b) of the float mechanism (9) closes the switch (8a), the signal generator (8) is activated, and a warning or emergency stop signal is displayed. In addition, in the above embodiment, the leakage of the cooling medium in the header (3) was explained, but the storage tank (3)
5) Regarding leakage from the piping through which the cooling medium flows,
As shown in the first episode, the cooling medium accumulates in the drain tank (61) through the connecting pipe (81), and the water level gradually rises. Flow when the water level reaches the preset level) 11 structures (91
) closes the switch (81a),
The signal generator (81) is activated and a warning or emergency stop signal is displayed.
この発明は以上説明した通り、漏出する冷却媒体をドレ
ンタンク内に溜め、所定液位に達すると漏れ異常を信号
発生装置から発するようにしたので、ヘッダ内又は収納
タンク内の漏水を迅速に把握でき、冷却媒体の漏れによ
る損傷を最少に抑えられる効果がある。As explained above, in this invention, leaking cooling medium is stored in a drain tank, and when a predetermined level is reached, a leakage abnormality signal is emitted from a signal generator, so that water leakage in the header or storage tank can be quickly detected. This has the effect of minimizing damage caused by cooling medium leakage.
第１図はこの発明の一実施例による燃料電池を示す概略
＋：１４成図、第２図は、従来の燃料電池の構成を示す
概略構成図である。
図において、（２）は冷却器、（３）はへフグ（５）は
収納タンク、＋６１（６１）はドレンタンク、ｔ７Ｈ７
１）は接続配管、（８１（８１）は信号発生装置、＋９
１（９１）はフロート機構である。
尚、図中同一符号は同−又は相当部分を示す。FIG. 1 is a schematic +:14 diagram showing a fuel cell according to an embodiment of the present invention, and FIG. 2 is a schematic diagram showing the construction of a conventional fuel cell. In the figure, (2) is the cooler, (3) is the hefugu (5) is the storage tank, +61 (61) is the drain tank, t7H7
1) is the connection pipe, (81 (81) is the signal generator, +9
1 (91) is a float mechanism. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (2)
置してなる電池本体を収納タンク内に収納し、前記各単
位電池の積層体は燃料及び酸水剤ガスを供給及び排出す
るためのヘッダを有すると共に、前記冷却器は循環器を
有する冷却媒体の循環系統と接続するものにおいて、上
記ヘッダ内又は上記収納タンク内に漏出する冷却媒体を
接続配管を通じて溜めるドレンタンクと、スイッチが閉
成されると信号を発する信号発生装置と、一方側が上記
ドレンタンク内に位置し、上記ドレンタンク内に溜まる
冷却媒体の液位の変動に連動して上下方向に浮動し、他
方側が上記信号発生装置のスイッチと係合され、一方側
が所定の上方向まで浮動すると他方側が上記スイッチを
閉成するフロート機構を備えたことを特徴とする燃料電
池。(1) A battery body made by stacking a plurality of unit cells and appropriately arranging a cooler is stored in a storage tank, and the stack of unit cells supplies and discharges fuel and acid water gas. The cooler is connected to a cooling medium circulation system having a circulator, and the cooler includes a drain tank for collecting cooling medium leaking into the header or the storage tank through connecting piping, and a switch. A signal generating device that emits a signal when closed; one side is located in the drain tank and floats vertically in conjunction with fluctuations in the liquid level of the cooling medium accumulated in the drain tank, and the other side emits the signal. A fuel cell comprising a float mechanism that is engaged with a switch of a generator, and when one side floats to a predetermined upward direction, the other side closes the switch.
許請求の範囲第１項記載の燃料電池。(2) The fuel cell according to claim 1, wherein the signal generating device issues an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61168723A JPS6324567A (en) | 1986-07-16 | 1986-07-16 | Fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61168723A JPS6324567A (en) | 1986-07-16 | 1986-07-16 | Fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6324567A true JPS6324567A (en) | 1988-02-01 |
Family
ID=15873237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61168723A Pending JPS6324567A (en) | 1986-07-16 | 1986-07-16 | Fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6324567A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5731167A (en) * | 1992-01-17 | 1998-03-24 | The United States Of America As Represented By The Department Of Health And Human Services | Autotaxin: motility stimulating protein useful in cancer diagnosis and therapy |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59157965A (en) * | 1983-02-25 | 1984-09-07 | Hitachi Ltd | Fuel cell |
-
1986
- 1986-07-16 JP JP61168723A patent/JPS6324567A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59157965A (en) * | 1983-02-25 | 1984-09-07 | Hitachi Ltd | Fuel cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5731167A (en) * | 1992-01-17 | 1998-03-24 | The United States Of America As Represented By The Department Of Health And Human Services | Autotaxin: motility stimulating protein useful in cancer diagnosis and therapy |
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