JP2000223140A5 - - Google Patents
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- JP2000223140A5 JP2000223140A5 JP1999023829A JP2382999A JP2000223140A5 JP 2000223140 A5 JP2000223140 A5 JP 2000223140A5 JP 1999023829 A JP1999023829 A JP 1999023829A JP 2382999 A JP2382999 A JP 2382999A JP 2000223140 A5 JP2000223140 A5 JP 2000223140A5
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- oxidizing gas
- amount
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- fuel cell
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- 239000007789 gas Substances 0.000 description 82
- 230000001590 oxidative Effects 0.000 description 79
- 239000000446 fuel Substances 0.000 description 53
- 239000002737 fuel gas Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 12
- 230000001133 acceleration Effects 0.000 description 6
- 238000002407 reforming Methods 0.000 description 6
- 230000004043 responsiveness Effects 0.000 description 3
- 230000003247 decreasing Effects 0.000 description 2
- 238000006057 reforming reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 燃料ガスと酸化性ガスとの反応によって電気的エネルギを出力する燃料電池が走行用動力源として車両に搭載され、その燃料電池に対する前記酸化性ガスの供給量を制御する燃料電池制御装置において、
前記車両の運転者による加減速操作に関連する操作関連量を検出する加減速操作量検出手段と、
その加減速操作量検出手段で検出された操作関連量に基づいて、前記燃料電池に対する酸化性ガスの供給量を決定する酸化性ガス量決定手段と
を備えていることを特徴とする燃料電池制御装置。
【請求項２】 酸化性ガスと改質器に供給された改質燃料の改質反応によって生じさせた燃料ガスとの反応によって電気的エネルギを出力する燃料電池に対する前記酸化性ガスの供給量を制御する燃料電池制御装置において、
前記改質器に供給される前記改質燃料の量を検出する改質燃料量検出手段と、
その改質燃料量に基づいて前記燃料電池に対する前記酸化性ガス供給量を決定する酸化性ガス供給量決定手段と、
前記改質器に供給された改質燃料に対する前記燃料ガスの発生状態である改質応答性に基づいて前記酸化性ガスの供給量を補正する酸化性ガス量補正手段と
を備えていることを特徴とする燃料電池制御装置。
【請求項３】 前記燃料電池における前記酸化性ガスの利用率に基づいて前記燃料電池に対する酸化性ガスの供給量を補正する酸化性ガス量補正手段を更に備えていることを特徴とする請求項１または２に記載の燃料電池制御装置。
【請求項４】 前記燃料電池が前記酸化性ガスを供給される電極を有し、
その電極での温度に関連する物理量を検出する温度関連量検出手段と、
その温度関連量検出手段で検出された前記電極での温度に関連する物理量に基づいて前記酸化性ガス供給量を補正する酸化性ガス量補正手段と
を更に備えていることを特徴とする請求項１または２に記載の燃料電池制御装置。
【請求項５】 前記燃料電池が前記酸化性ガスを供給される電極を有し、かつその酸化性ガスを供給するポンプが設けられ、
前記電極の近傍での圧力に関連する物理量を検出する圧力関連量検出手段と、
その圧力関連量検出手段で検出された前記電極近傍での圧力に関連する物理量に基づいて前記ポンプに対する指令値を補正する酸化性ガス供給指令値補正手段と
を更に備えていることを特徴とする請求項１または２に記載の燃料電池制御装置。
[Claims]
1. A fuel cells for outputting an electrical energy by a reaction between a fuel gas and an oxidizing gas is installed in a vehicle as a power source for running, and controls the supply amount of the oxidizing gas against its fuel cell In the fuel cell control device
A deceleration operation amount detecting means for detecting an operation-related quantity relating to the acceleration and deceleration operation by a driver before Symbol vehicle,
Characterized in that it comprises, based on the operation related quantity detected by the acceleration operating amount detecting means, and an oxidizing gas amount determination means for determining a supply amount of the acid-resistant gas to the previous SL fuel cell Fuel cell control device.
2. Fuel to control the supply amount of the oxidizing gas against the fuel cells for outputting an electrical energy by a reaction between the fuel gas caused by a reforming reaction of the supplied oxidizing gas and a reformer reforming fuel In the battery control device
A reforming fuel quantity detecting means for detecting the amount of the reforming fuel supplied before Kiaratame reformer,
Oxidizing gas supply amount determining means for determining the oxidizing gas supply amount to the fuel cell based on the reformed fuel amount, and
It and a oxidizing gas amount correction means to correct the feed amount of the oxidizing gas on the basis of a reforming response which is generated in the fuel gas to the reforming fuel supplied to the reformer A fuel cell control device characterized by.
3. The invention according to claim 1 or 2, further comprising an oxidizing gas amount correcting means for correcting the supply amount of the oxidizing gas to the fuel cell based on the utilization rate of the oxidizing gas in the fuel cell. fuel cell control device.
4. an electrode in which the fuel cells are supplied with the oxidizing gas,
A temperature-related quantity detecting means for detecting a physical quantity related to the temperature at the electrode, and
With the oxidizing gas amount correcting means for correcting the oxidizing gas supply amount based on the physical quantity related to the temperature at the electrode detected by the temperature-related amount detecting means.
The fuel cell control device according to claim 1 or 2, further comprising.
5. A pre-Symbol fuel cell has an electrode which is supplied to the oxidizing gas, and the pump supplies is provided the oxidizing gas,
A pressure-related quantity detecting means for detecting a pressure-related physical quantity in the vicinity of the electrode,
Oxidizing gas supply command value correcting means that corrects the command value for the pump based on the physical quantity related to the pressure in the vicinity of the electrode detected by the pressure-related amount detecting means.
The fuel cell control device according to claim 1 or 2, further comprising.
【０００７】
【課題を解決するための手段およびその作用】
上記の目的を達成するために、請求項１に記載された発明は、燃料ガスと酸化性ガスとの反応によって電気的エネルギを出力する燃料電池が走行用動力源として車両に搭載され、その燃料電池に対する前記酸化性ガスの供給量を制御する燃料電池制御装置において、前記車両の運転者による加減速操作に関連する操作関連量を検出する加減速操作量検出手段と、その加減速操作量検出手段で検出された操作関連量に基づいて、前記燃料電池に対する酸化性ガス供給量を決定する酸化性ガス量決定手段とを備えていることを特徴とするものである。
0007
[Means for Solving Problems and Their Actions]
To achieve the above object, the invention described in claim 1, fuel cells for outputting an electrical energy by a reaction between a fuel gas and an oxidizing gas is installed in a vehicle as a power source for running, its in the fuel cell controller for controlling the supply amount before Symbol oxidizing gas to the fuel cell, the acceleration operation quantity detecting means for detecting an operation-related quantity relating to the acceleration and deceleration operation by a driver of the vehicle, the acceleration or deceleration operation based on the operation-related quantity detected by the quantity detecting means, is characterized in that it comprises an oxidizing gas amount determining means for determining the oxidative gas supply amount to said fuel cell.
したがって請求項１の発明によれば、運転者が車両の加速操作もしくは減速操作をおこなうと、それに応じて燃料電池に対する酸化性ガスの供給量が増減され、そのため運転者の加減速要求に即した燃料電池の出力を得ることができる。 Therefore , according to the invention of claim 1, when the driver accelerates or decelerates the vehicle, the amount of oxidizing gas supplied to the fuel cell is increased or decreased accordingly, and therefore, the driver's acceleration / deceleration request is met. The output of the fuel cell can be obtained.
請求項２の発明は、酸化性ガスと改質器に供給された改質燃料の改質反応によって生じさせた燃料ガスとの反応によって電気的エネルギを出力する燃料電池に対する前記酸化性ガスの供給量を制御する燃料電池制御装置において、前記改質器に供給される前記改質燃料の量を検出する改質燃料量検出手段と、その改質燃料量に基づいて前記燃料電池に対する前記酸化性ガス供給量を決定する酸化性ガス供給量決定手段と前記改質器に供給された改質燃料に対する前記燃料ガスの発生状態である改質応答性に基づいて前記酸化性ガスの供給量を補正する酸化性ガス量補正手段とを備えていることを特徴とするものである。 The invention of claim 2 is the supply of the oxidizing gas to a fuel cell that outputs electrical energy by the reaction between the oxidizing gas and the fuel gas generated by the reforming reaction of the reformed fuel supplied to the reformer. In the fuel cell control device for controlling the amount, the reformed fuel amount detecting means for detecting the amount of the reformed fuel supplied to the reformer and the oxidizing property for the fuel cell based on the reformed fuel amount. The supply amount of the oxidizing gas is corrected based on the oxidizing gas supply amount determining means for determining the gas supply amount and the reforming responsiveness which is the generation state of the fuel gas to the reformed fuel supplied to the reformer. It is characterized in that it is provided with a means for correcting the amount of oxidizing gas.
したがって請求項２の発明によれば、改質器に供給される改質燃料の量に基づいて酸化性ガスの供給量を決定するにあたり、酸化性ガスの供給量が、燃料電池に供給される燃料ガスの量に対応しているべきところ、改質燃料が燃料ガスに改質される際の応答性を加味して酸化性ガスの供給量が決定されるので、酸化性ガスの供給量が燃料ガスの供給量に、より正確に対応することとなり、その結果、酸化性ガスの供給量の過不足が回避され、燃料電池の出力が安定する。 Therefore, according to the invention of claim 2, the supply amount of the oxidizing gas is supplied to the fuel cell in determining the supply amount of the oxidizing gas based on the amount of the reformed fuel supplied to the reformer. Where the amount of fuel gas should correspond, the amount of oxidizing gas supplied is determined by taking into account the responsiveness when the reformed fuel is reformed into fuel gas, so the amount of oxidizing gas supplied is It will correspond more accurately to the supply amount of fuel gas, and as a result, excess or deficiency of the supply amount of oxidizing gas will be avoided, and the output of the fuel cell will be stable.
請求項３の発明は、請求項１または２の発明における構成に加えて、前記燃料電池における前記酸化性ガスの利用率に基づいて前記燃料電池に対する酸化性ガスの供給量を補正する酸化性ガス量補正手段とを更に備えていることを特徴とするものである。 In the invention of claim 3, in addition to the configuration of the invention of claim 1 or 2, an oxidizing gas that corrects the supply amount of the oxidizing gas to the fuel cell based on the utilization rate of the oxidizing gas in the fuel cell. It is characterized in that it is further provided with an amount correction means.
したがって請求項３の発明によれば、燃料電池に供給された酸化性ガスの全量が反応の用に供されることはなく、その一部が燃料ガスとの反応に使用されるので、その利用率に基づいて酸化性ガスの供給量が補正され、その結果、酸化性ガスの供給量が、より適正化される。 Therefore , according to the invention of claim 3, the entire amount of the oxidizing gas supplied to the fuel cell is not used for the reaction, and a part of the oxidizing gas is used for the reaction with the fuel gas. The supply of oxidizing gas is corrected based on the rate, and as a result, the supply of oxidizing gas is more optimized.
そして、請求項４の発明は、請求項１または２に記載された発明の構成に加えて、前記燃料電池が前記酸化性ガスが供給される電極を有し、その電極での温度に関連する物理量を検出する温度関連量検出手段と、その温度関連量検出手段で検出された前記電極での温度に関連する物理量に基づいて前記酸化性ガス供給量を補正する酸化性ガス量補正手段とを更に備えていることを特徴とするものである。 In addition to the configuration of the invention according to claim 1 or 2 , the invention of claim 4 has an electrode to which the oxidizing gas is supplied, and the fuel cell has an electrode to which the oxidizing gas is supplied, and is related to the temperature at the electrode. A temperature-related amount detecting means for detecting a physical quantity and an oxidizing gas amount correcting means for correcting the oxidizing gas supply amount based on the physical quantity related to the temperature at the electrode detected by the temperature-related amount detecting means. Further, it is characterized in that it is provided.
したがって請求項４の発明によれば、酸化性ガスと燃料ガスとの実質的な反応が生じる電極における温度に関連する物理量に応じて酸化性ガスの供給量が補正されるので、酸化性ガスの膨張・収縮による供給量の誤差が是正され、その結果、酸化性ガスの供給量が更に正確になる。 Therefore , according to the invention of claim 4, the supply amount of the oxidizing gas is corrected according to the physical amount related to the temperature at the electrode where the substantial reaction between the oxidizing gas and the fuel gas occurs. The supply amount error due to expansion and contraction is corrected, and as a result, the supply amount of oxidizing gas becomes more accurate.
そして、請求項５の発明は、前記燃料電池が前記酸化性ガスを供給される電極を有し、かつその酸化性ガスを供給するポンプが設けられ、前記電極の近傍での圧力に関連する物理量を検出する圧力関連量検出手段と、その圧力関連量検出手段で検出された前記電極近傍での圧力に関連する物理量に基づいて前記ポンプに対する指令値を補正する酸化性ガス供給指令値補正手段とを更に備えていることを特徴とするものである。 Then, in the invention of claim 5, the fuel cell has an electrode to which the oxidizing gas is supplied, and a pump for supplying the oxidizing gas is provided, and a physical quantity related to pressure in the vicinity of the electrode is provided. The pressure-related amount detecting means for detecting the above, and the oxidizing gas supply command value correcting means for correcting the command value for the pump based on the physical amount related to the pressure in the vicinity of the electrode detected by the pressure-related amount detecting means. It is characterized by further providing.
したがって請求項５の発明によれば、酸化性ガスと燃料ガスとの実質的な反応が生じる電極の近傍すなわち酸化性ガスの供給箇所における圧力に関連する物理量に応じて酸化性ガスの供給量が補正されるので、酸化性ガスの膨張・収縮による供給量の誤差が是正され、その結果、酸化性ガスの供給量を更に正確なものとすることができる。 Therefore , according to the invention of claim 5, the supply amount of the oxidizing gas depends on the physical amount related to the pressure in the vicinity of the electrode where the substantial reaction between the oxidizing gas and the fuel gas occurs, that is, at the supply point of the oxidizing gas. Since it is corrected, the error in the supply amount due to the expansion / contraction of the oxidizing gas is corrected, and as a result, the supply amount of the oxidizing gas can be made more accurate.
一方、図１に示すステップＳ３の機能が請求項３の発明における酸化性ガス量補正手段に相当する。また、図１に示すステップＳ４の機能が、請求項２の発明における酸化性ガス量補正手段に相当する。そして、図１に示すステップＳ５の機能が、請求項４の発明における温度関連量検出手段と酸化性ガス量補正手段、ならびに請求項５の発明における圧力関連量検出手段と酸化性ガス量補正手段とに相当する。 On the other hand, the function of step S3 shown in FIG. 1 corresponds to the oxidizing gas amount correction means in the invention of claim 3. Further, the function of step S4 shown in FIG. 1 corresponds to the oxidizing gas amount correction means in the invention of claim 2. The function of step S5 shown in FIG. 1 is the temperature-related amount detecting means and the oxidizing gas amount correcting means in the invention of claim 4, and the pressure-related amount detecting means and the oxidizing gas amount correcting means in the invention of claim 5. Corresponds to.
【００４４】
【発明の効果】
以上説明したように請求項１の発明によれば、運転者が車両の加速操作もしくは減速操作をおこなうと、それに応じて燃料電池に対する酸化性ガスの供給量が増減されるから、運転者の加減速要求に即した燃料電池の出力を得ることができる。
[0044]
【Effect of the invention】
As described above, according to the invention of claim 1 , when the driver accelerates or decelerates the vehicle, the amount of oxidizing gas supplied to the fuel cell is increased or decreased accordingly. It is possible to obtain the output of the fuel cell that meets the deceleration request.
請求項２の発明によれば、改質器に供給される改質燃料の量に基づいて酸化性ガスの供給量を決定するにあたり、酸化性ガスの供給量が、燃料電池に供給される燃料ガスの量に対応しているべきところ、改質燃料が燃料ガスに改質される際の応答性を加味して酸化性ガスの供給量が決定されるので、酸化性ガスの供給量が燃料ガスの供給量に、より正確に対応することとなり、その結果、酸化性ガスの供給量の過不足が回避され、燃料電池の出力を安定させることができる。 According to the invention of claim 2, in determining the supply amount of the oxidizing gas based on the amount of the reformed fuel supplied to the reformer, the supply amount of the oxidizing gas is the fuel supplied to the fuel cell. Where the amount of gas should correspond, the amount of oxidizing gas supplied is determined by taking into account the responsiveness when the reformed fuel is reformed into fuel gas, so the amount of oxidizing gas supplied is the fuel. It corresponds to the gas supply amount more accurately, and as a result, the excess or deficiency of the oxidizing gas supply amount can be avoided, and the output of the fuel cell can be stabilized.
請求項３の発明によれば、燃料電池に供給された酸化性ガスの全量が反応の用に供されることはなく、その一部が燃料ガスとの反応に使用されるので、その利用率に基づいて酸化性ガスの供給量が補正され、その結果、酸化性ガスの供給量が、より適正化される。 According to the invention of claim 3, the entire amount of the oxidizing gas supplied to the fuel cell is not used for the reaction, and a part of the oxidizing gas is used for the reaction with the fuel gas. The supply amount of the oxidizing gas is corrected based on the above, and as a result, the supply amount of the oxidizing gas is more optimized.
請求項４の発明によれば、酸化性ガスと燃料ガスとの実質的な反応が生じる電極における温度に関連する物理量に応じて酸化性ガスの供給量が補正されるので、酸化性ガスの膨張・収縮による供給量の誤差が是正され、その結果、酸化性ガスの供給量が更に正確になる。 According to inventions of claims 4, the supply amount of the oxidizing gas is corrected in accordance with the physical quantity related to the temperature of substantial reaction occurs electrodes of an oxidizing gas and the fuel gas, the oxidizing gas The supply amount error due to expansion and contraction is corrected, and as a result, the supply amount of oxidizing gas becomes more accurate.
そして、請求項５の発明によれば、酸化性ガスと燃料ガスとの実質的な反応が生じる電極の近傍すなわち酸化性ガスの供給箇所における圧力に関連する物理量に応じて酸化性ガスの供給量が補正されるので、酸化性ガスの膨張・収縮による供給量の誤差が是正され、その結果、酸化性ガスの供給量を更に正確なものとすることができる。 Then, according to the invention of claim 5, the supply amount of the oxidizing gas according to the physical amount related to the pressure in the vicinity of the electrode where the substantial reaction between the oxidizing gas and the fuel gas occurs, that is, at the supply point of the oxidizing gas. Is corrected, the error in the supply amount due to the expansion and contraction of the oxidizing gas is corrected, and as a result, the supply amount of the oxidizing gas can be made more accurate.
【図１】 この発明による制御装置で実行される制御例を説明するためのフローチャートである。 FIG. 1 It is a flowchart for demonstrating the control example executed by the control apparatus by this invention.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11023829A JP2000223140A (en) | 1999-02-01 | 1999-02-01 | Fuel cell controller |
| US09/392,262 US6638652B1 (en) | 1998-10-02 | 1999-09-09 | Fuel cell control apparatus |
| CA002282192A CA2282192C (en) | 1998-10-02 | 1999-09-15 | Fuel cell control apparatus and method of controlling fuel cell using control apparatus |
| DE69938380T DE69938380T2 (en) | 1998-10-02 | 1999-09-15 | Fuel cell control apparatus and method of controlling a fuel cell using such a control apparatus |
| EP99118326A EP0993060B1 (en) | 1998-10-02 | 1999-09-15 | Fuel cell control apparatus and method of controlling fuel cell using control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11023829A JP2000223140A (en) | 1999-02-01 | 1999-02-01 | Fuel cell controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000223140A JP2000223140A (en) | 2000-08-11 |
| JP2000223140A5 true JP2000223140A5 (en) | 2006-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11023829A Pending JP2000223140A (en) | 1998-10-02 | 1999-02-01 | Fuel cell controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000223140A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5082220B2 (en) * | 2005-10-05 | 2012-11-28 | トヨタ自動車株式会社 | Fuel cell system |
| JP5848910B2 (en) * | 2011-07-28 | 2016-01-27 | 東芝燃料電池システム株式会社 | Fuel cell power generation system and control method for fuel cell power generation system |
| WO2013080410A1 (en) * | 2011-11-30 | 2013-06-06 | パナソニック株式会社 | Direct oxidation-type fuel cell system |
-
1999
- 1999-02-01 JP JP11023829A patent/JP2000223140A/en active Pending
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