JPS59215674A - Temperature control device of fuel cell - Google Patents
Temperature control device of fuel cellInfo
- Publication number
- JPS59215674A JPS59215674A JP58089481A JP8948183A JPS59215674A JP S59215674 A JPS59215674 A JP S59215674A JP 58089481 A JP58089481 A JP 58089481A JP 8948183 A JP8948183 A JP 8948183A JP S59215674 A JPS59215674 A JP S59215674A
- Authority
- JP
- Japan
- Prior art keywords
- impedance
- cell
- battery
- voltmeter
- load
- 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
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
- H01M8/04365—Temperature; Ambient temperature of other components of a fuel cell or fuel cell stacks
-
- 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
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04634—Other electric variables, e.g. resistance or impedance
- H01M8/04649—Other electric variables, e.g. resistance or impedance of fuel cell stacks
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04701—Temperature
- H01M8/04731—Temperature of other components of a fuel cell or fuel cell stacks
-
- 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
Abstract
Description
【発明の詳細な説明】
(イI 産業上の利用分野
本発明は燃料電池の湿度制御装置に係り、特に電池渇1
yの検出器に関Tるものである。DETAILED DESCRIPTION OF THE INVENTION (I) Field of Industrial Application The present invention relates to a humidity control device for a fuel cell, and particularly to a humidity control device for a fuel cell.
This is related to the detector of y.
(ロ)従来技術
燐酸電解液焔・料電池は、電池反応により発熱し約16
0℃〜″180℃の電池r「動渦度に維持下るため冷却
が盛替であ−る。(b) The conventional phosphoric acid electrolyte flame/recharge battery generates heat due to the battery reaction, approximately 16
Cooling is necessary to maintain the dynamic vorticity of the battery at 0°C to 180°C.
従来電池rFA Ifの制御は、第1図、及び?PJ2
B!jに夫々示Tように電池(イ)内に熱電灯などの渇
I¥検出器1o1を埋設Tるか或は電池への空気出入口
に設置し、それにより検出された温度信号によりダンバ
レ場やブロワに)を副節し、供給空気の温度や風量を制
御する・ことによって行ってい1こ。Conventional battery rFA If control is shown in Fig. 1 and ? PJ2
B! As shown in J and T, a thirst detector 1o1 such as a thermoelectric lamp is buried in the battery (A) or installed at the air inlet/outlet to the battery, and the temperature signal detected by it is used to detect the temperature This is done by attaching a blower (to the blower) and controlling the temperature and air volume of the supplied air.
しかし温度検出器(団を電池内に埋設する方法は、検出
部をカス分離板のガス流通溝に入れる1こめ極細のもの
を用いる必要があると共に直接電極に接する1こめ酸に
よる腐蝕で断線のおそれがあるなど哉械的強度と信頼性
に欠ける。また温度検出器(ロ)を空気の出入口に設置
下る方法も前記方法と同様に外部へ引出Tためのリード
線を8暢とTるなどの問題があっTこ。However, the method of embedding the temperature detector inside the battery requires the use of an extremely thin one that inserts the detection part into the gas flow groove of the waste separator plate, as well as the possibility of disconnection due to corrosion caused by the acid that comes in direct contact with the electrode. It lacks mechanical strength and reliability as there is a risk that the temperature sensor (b) may be installed at the air inlet/outlet. There is a problem.
し→発明の目的
本発明の目的は電池外で′准気的に電池温度を検出し、
従来の温度検出器を01いた場合の前記問題点を解消下
ることである。→Object of the Invention The object of the present invention is to detect the battery temperature in a quasi-air manner outside the battery,
The purpose is to eliminate the above-mentioned problems when using a conventional temperature detector.
に)発明のIfR成
本発明はti(池の内部インピーダンスを測定すること
により電池法九度を外部から検出下ることを特徴と下る
。IfR construction of the invention The present invention is characterized in that the nine degrees of the battery method are externally detected by measuring the internal impedance of the ti (ti).
7E池は等仙J的に433図の回路で示され、R1はタ
ーミナルなどの接続抵抗外、R2は主として燐酸電解液
の抵抗外、Cは神々の分極による容19分で、R4は渇
度依存性小さいか、R2、及びCは湿度依存性があり、
′「E油の内部インピーダンスと電池湿度の関係は弔4
図のように単調減少間γりで表Tことができる。本発明
はこの点に着目してなされ1こものである。7E Pond is shown in the circuit shown in Figure 433, R1 is outside the connection resistance such as the terminal, R2 is mainly outside the resistance of the phosphoric acid electrolyte, C is the capacity 19 minutes due to divine polarization, and R4 is the thirst. The dependence is small, or R2 and C are humidity dependent,
'The relationship between the internal impedance of E oil and battery humidity is
As shown in the figure, a table T can be obtained with a monotonically decreasing interval γ. The present invention has been made with this point in mind.
実施例
本発明による電池内部インピーダンス測定装置が第5図
、第61ス1に示され、第5Nは直流負荷の場合、ji
46図は交流負荷の場合である。Embodiment A battery internal impedance measuring device according to the present invention is shown in FIG.
Figure 46 shows the case of AC load.
杓j1記インピーダンス測足装閾(11は、焔、利電池
(FC)と負荷(L)との間に接続され、曲流゛電流計
(21%1+jr iAE屯圧針圧計I、交流′電圧計
111及び定周波・定電流(IKHz・10m A )
の交流発生融(51からなる。第5図の場合この交流発
生機151は電池(FC)及び直流負荷(L)に並列的
に交流を供給し交流電圧計(,11に表はれる交流電圧
は、炉材電池(PC)の内部インピーダンス(Z)及び
負荷抵抗(R)を合成しTこインピーダンス(2T)−
1上って生ずる。The impedance measuring device threshold (11 is connected between the flame, the battery (FC) and the load (L), and the curved current ammeter (21% 1 + jr iAE pressure stylus pressure meter I, AC' voltmeter) 111 and constant frequency/constant current (IKHz/10mA)
In the case of Fig. 5, this AC generator 151 supplies AC to the battery (FC) and the DC load (L) in parallel, and measures the AC voltage shown on the AC voltmeter (, 11). is the combination of the internal impedance (Z) and load resistance (R) of the furnace material battery (PC), and the T impedance (2T) -
1 rises.
この合成インピーダンス(ZT)は
1 1 1
TZR
であり、交流電圧計(/IIc生ずる電圧(v2)は、
交流発生機(5)の出力室1流を12(−足)と1−る
と、v2=I、、・zT
とr(る。よって、QJ Auの内部インピーダンス(
2)は
z== 2□・・・・・・・・・・・・(1)I21
(−V2
となる。こ\で、I2は一定、v2は交流電圧計(41
の測定値であるから、2は負荷抵47C(R)を測定下
ることにより容易に知り得る。This composite impedance (ZT) is 1 1 1 TZR, and the voltage (v2) generated by an AC voltmeter (/IIc) is
If the output chamber 1 flow of the AC generator (5) is 12 (- foot) and 1-, then v2 = I, .zT and r (ru. Therefore, the internal impedance of QJ Au (
2) is z== 2□・・・・・・・・・・・・(1) I21
(-V2.Here, I2 is constant and v2 is an AC voltmeter (41
2 can be easily found by measuring the load resistance 47C (R).
次に交流負荷(L)の場合、これfニインバータ(IV
)を含め1こものがniI紀直流負荷抵抗(+()と同
様に考えることができる。Next, in the case of AC load (L), this f inverter (IV
) can be considered in the same way as the niI DC load resistance (+()).
即ちインバータ及び負(i;[のインピーダンス(2L
)は、1(ソ流屯圧、4ft31及び的流軍流Jl’
+21の測定イ1貞から防1−出される抵イ几4fjH
=−tニインノ(−夕11問■
有の定数を乗じfこ ZL=ORとなる。That is, the impedance (2L
) is 1 (Soryu force, 4ft31 and target flow force Jl'
+21 measurement 1 defense to defense 1 - defense 4fjH
=-t Niinno (-E 11 questions) Multiply by the constant of f, and ZL=OR.
この場合電池インピーダンスとしてtよ、rl’J 4
己(l 1式と同様に算出し
がI57られる。In this case, the battery impedance is t, rl'J 4
Self(l) Calculated in the same way as formula 1 is I57.
従つ工、直流負荷又は交、Iシ負i’:rJb)づれの
J詰合も、内部インピーダンス測定装置νfill力\
らの各(黄出イ言吋を1liQ ?llI器(6)(二
人力して削式III又!Iま12++二もとづきπf算
し、重油内部インピーダンス(Z)を糎、出する。The internal impedance measurement device ν fill force can also be used to measure the following load, DC load or AC load, I-signal i': rJb)
For each of these (1liQ?llI device (6) (2 people) calculate πf based on the cutting formula III and 12++2, and calculate the heavy oil internal impedance (Z).
この2は印1述の如< I、Fj池編度C二依存する1
1αであるから、この2を出力伯吟として、ダンノ<
−171やブロワ(出を昌1節し、供給空電編成及び1
虱11をibl!鋼ITる。This 2 is as described in Mark 1.
1α, so using this 2 as the output factor, Danno <
-171 and blower (1 section of output, supply static electricity formation and 1
Ibl 11! Steel IT Ru.
弔7図の【::、料゛【1簿屯系統l閃で番71. ’
Ri 1屯湿度?ニスーしt単純減少関数で表はさルる
iq 711! l伺111ンピーダンス(Z)によっ
て供給空気温度及び風(迂ち” it;+ii![uす
る場合を示し1こが、il ni、i C)変り1を号
1;イ固の吟だ一1ン:;で検出してブロア(8)をf
frl]FJしても、Lシ1゜以上の実捲例は空冷式の
M″治(一つり!ゴ?、、’+、 tl、l L Tこ
が、水冷式の場合も同様であり、内1インピーダンス測
定装置fllT検出されTこ電7tl!r’lγクヘイ
ンピーダンス(Z)により冷却水のt高段及び〆(j
(:・“1をi:!i’d節し、電池温度を制砒するこ
とがでへる。71. '
Ri 1 ton humidity? The table is calculated using the simple decreasing function iq 711! Supply air temperature and wind (detour) depending on the impedance (Z) Detect the blower (8) with
frl] FJ, the actual winding example of L-shape of 1° or more is the air-cooled M'' treatment (, '+, tl, l L T, but the same is true for the water-cooled type. , one of which is detected by the impedance measuring device fllT, and the high-stage and (j
(:・“1 is i:!i'd clause, it is possible to control the battery temperature.
l−J@明の効果
本発明によれば電池湿度の検出は、;ji”IIII!
?R度と単純関数関係にあるη)池内部インピーダンス
を′nΣ気回yISで演算1−ること(1上1)行はA
しるσ)で、fe来のように熱電対などOパ晶度検11
4ル七i7′ビ宥+7111内fats にtlli設
し1こり、り貨ン′巾のン1ン131 ?’+tj休〕
山r体i二Vオ1:’s−rるN、を合(二比し、信頼
性及び安全性が著しく +!Q’5智9LるとJ((二
この;1χ池内部・[ンビーダンス(二もと一5≧’(
’)1; 7!l! Q)冷却度を変化すu ’C’l
’i、池温nl ヲjli!j ?:!I 77.+
、’lとfr−s テきる。Effect of l-J@light According to the present invention, the detection of battery humidity is ;ji”III!
? The internal impedance of the pond (η), which has a simple functional relationship with the degree of R, is calculated by 'nΣQiYIS.
11
4ru7i7'biyaku +7111 fats in tlli set up 1, 131? '+tj holiday〕
Yama r body i 2 V o 1: 's-r N, combined (2 comparison, reliability and safety are extremely high! Mbee Dance (Nimoto 15≧'(
') 1; 7! l! Q) Changing the degree of cooling u 'C'l
'I, Ikeon nl wojli! j? :! I 77. +
, 'l and fr-s tekiru.
弔1図及び第21凶はし)つれも従来例C−よる竹゛寥
:1電池の系統図、′2J3Z、図は電池内部インピー
ダンスな示T等価回路、第4図は′市油濡戻と電池内部
インピーダンスとの関係を示す図、第5図及び第6図は
いづれも本発明装置の電気回路り1、第7図は本発明装
置を備える燃料電池の系統図である。
FC・・・電池、L、L・・・負荷、%、Iv・・・イ
ンバータ、〕・・・インピーダンス測定装置、2・・・
直流電流計、3・・・吋流電圧計、4・・・交流電圧計
、5・・・交流発生融、6・・・制御器、7・・・ダン
パ、8・・・ブロワ。
第1図
第3.図
第4図Figures 1 and 21 are all taken from conventional example C-: System diagram of 1 battery, '2J3Z, Figure shows T equivalent circuit showing battery internal impedance, Figure 4 shows battery wetted with oil. 5 and 6 are electrical circuit diagrams 1 of the device of the present invention, and FIG. 7 is a system diagram of a fuel cell equipped with the device of the present invention. FC...Battery, L, L...Load, %, Iv...Inverter,]...Impedance measuring device, 2...
DC ammeter, 3... Current voltmeter, 4... AC voltmeter, 5... AC generator, 6... Controller, 7... Damper, 8... Blower. Figure 1 3. Figure 4
Claims (1)
置を接続し、盲11記測定装置からの各検出信号を制側
器に入力して前記インピーダンスを演算し、該演算用力
により電池の冷却度を変化せしめることを特徴とTる燃
料電池の温度制御装置。 ■ 74ii記インピーダ5ンス測定装置は、直流電流
計、直流電圧計、交流電圧計及び定周波定電流の交流発
生陵で構成され工いることを特徴とする特許請求の範囲
第1項紀蛾の燃料電池の温度制御装置。[Claims] ■ A battery internal impedance measuring device is connected between the battery and the load, and each detection signal from the blind 11 measuring device is input to a side controller to calculate the impedance, and the calculation power is A temperature control device for a fuel cell characterized by changing the degree of cooling of the cell. ■ The impedance measuring device described in 74ii is composed of a DC ammeter, a DC voltmeter, an AC voltmeter, and an AC generator of constant frequency and constant current. Battery temperature control device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58089481A JPS59215674A (en) | 1983-05-20 | 1983-05-20 | Temperature control device of fuel cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58089481A JPS59215674A (en) | 1983-05-20 | 1983-05-20 | Temperature control device of fuel cell |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59215674A true JPS59215674A (en) | 1984-12-05 |
Family
ID=13971924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58089481A Pending JPS59215674A (en) | 1983-05-20 | 1983-05-20 | Temperature control device of fuel cell |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59215674A (en) |
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-
1983
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