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JP2006073446A - Fuel cell power generator - Google Patents

Fuel cell power generator Download PDF

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JP2006073446A
JP2006073446A JP2004257870A JP2004257870A JP2006073446A JP 2006073446 A JP2006073446 A JP 2006073446A JP 2004257870 A JP2004257870 A JP 2004257870A JP 2004257870 A JP2004257870 A JP 2004257870A JP 2006073446 A JP2006073446 A JP 2006073446A
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fuel cell
air
cell power
building
power generator
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Masakazu Hasegawa
雅一 長谷川
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Fuji Electric Co Ltd
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Fuji Electric Holdings Ltd
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    • 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

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Abstract

【目的】換気装置の設置所要スペースが狭く抑えられ、かつ換気のために必要な消費動力が低く抑えられる燃料電池発電装置を得る。
【構成】建物１の内部にパッケージ型の燃料電池発電装置５を配するものにおいて、建物１の内部の空気を導入する空気導入口６と換気空気を外部に排出する空気排出管９とを備え、さらに、外部の空気を吸気口２より導入し、空気導入口６を通して燃料電池発電装置５へと導き、空気排出管９より排出する換気ファン８を備える。
【選択図】 図１[Objective] To obtain a fuel cell power generation apparatus in which the required space for installation of a ventilation device is kept narrow and the power consumption required for ventilation is kept low.
[Structure] A package type fuel cell power generator 5 is arranged inside a building 1 and includes an air inlet 6 for introducing air inside the building 1 and an air exhaust pipe 9 for discharging ventilation air to the outside. Furthermore, a ventilation fan 8 is provided which introduces external air from the intake port 2, guides it to the fuel cell power generator 5 through the air inlet port 6, and discharges it from the air discharge pipe 9.
[Selection] Figure 1

Description

本発明は、建物の内部あるいは外部に据え付けられて運転される燃料電池発電装置に係り、特にその換気システムに関する。   The present invention relates to a fuel cell power generator that is installed and operated inside or outside a building, and more particularly to a ventilation system thereof.

燃料電池発電装置では電気化学反応によって発電が行われるが、この電気化学反応は発熱反応であり、多量の熱が発生するので、その除熱を行う必要がある。このため、燃料電池発電装置をパッケージ内に収納し、このパッケージ内に空気を導入して換気し、除熱することによって冷却している。図６は、建物に近接して据え付けられている従来の燃料電池発電装置５の換気システムの基本構成を示す説明図である。建物１には内部を換気するための換気空気を導入する吸気口２が設けられており、換気ファン４によって外部より空気を導入し、排気口３より排出することによって換気されている。一方、燃料電池発電装置５は、換気ファン８によってパッケージの空気導入口６より外気を導入し、空気排出口７より外部へと排出することによって換気している。
図７は、特許文献１に出願されている燃料電池発電装置の換気方法が適用される換気システムの構成図である。本構成では、燃料電池発電装置５の近傍にある建物１の換気システム２０から排気される換気空気を、ダクト３０を通してパッケージ型の燃料電池発電装置５の換気空気取り入れ口６へと導入し、燃料電池発電装置５の換気、冷却に用いたのち換気空気取り出し口７より排出するよう構成されており、建物１の換気システム２０を燃料電池発電装置の換気に有効に利用して効率を向上している。
特願 2003―418955号公報 In the fuel cell power generator, power generation is performed by an electrochemical reaction. This electrochemical reaction is an exothermic reaction, and a large amount of heat is generated. Therefore, it is necessary to remove the heat. For this reason, the fuel cell power generator is housed in a package, and air is introduced into the package to ventilate and cool by removing heat. FIG. 6 is an explanatory diagram showing a basic configuration of a ventilation system of a conventional fuel cell power generator 5 installed in the vicinity of a building. The building 1 is provided with an intake port 2 for introducing ventilation air for ventilating the inside, and is ventilated by introducing air from the outside by a ventilation fan 4 and exhausting it from the exhaust port 3. On the other hand, the fuel cell power generation device 5 is ventilated by introducing outside air from the air inlet 6 of the package by the ventilation fan 8 and discharging it outside through the air outlet 7.
FIG. 7 is a configuration diagram of a ventilation system to which the ventilation method of the fuel cell power generation device applied in Patent Document 1 is applied. In this configuration, ventilation air exhausted from the ventilation system 20 of the building 1 in the vicinity of the fuel cell power generation device 5 is introduced into the ventilation air intake 6 of the package type fuel cell power generation device 5 through the duct 30, The battery generator 5 is used for ventilation and cooling and then discharged from the ventilation air outlet 7. The ventilation system 20 of the building 1 is effectively used for ventilation of the fuel cell generator to improve efficiency. Yes.
Japanese Patent Application No. 2003-418955

上記のごとく、燃料電池発電装置では電気化学反応に伴って多量の熱が発生するので、換気空気を導入して換気し、その発熱を除去する必要がある。このため、一般に、燃料電池発電装置をパッケージ内に収納し、換気装置を付設して換気する方式が採られている。一方、燃料電池発電装置は、建物の内部、あるいは建物の外部の建物に近接する位置に設置される場合が多く、これらの建物にも換気が必要となるので、専用の換気装置が設置されているのが通例である。したがって、専用の換気装置を備えた建物の内部、あるいは外部の近接する位置に、換気装置を付設した燃料電池発電装置を備えつけ、２台の換気装置を個別に運転して換気を行うのが一般的である。このため従来の燃料電池発電装置においては、換気装置のために広い設置スペースが必要となり、かつ運転のために多量の動力が必要となるという難点があった。   As described above, in the fuel cell power generation device, a large amount of heat is generated with the electrochemical reaction. Therefore, it is necessary to introduce ventilation air to ventilate and remove the heat generation. For this reason, generally, a method is adopted in which the fuel cell power generation device is housed in a package and a ventilation device is attached for ventilation. On the other hand, fuel cell power generators are often installed in the vicinity of buildings inside or outside buildings, and these buildings also require ventilation, so a dedicated ventilation device is installed. It is customary. Therefore, it is common to provide a fuel cell power generator with a ventilator installed inside or outside a building with a dedicated ventilator and operate the two ventilators individually to ventilate. Is. For this reason, in the conventional fuel cell power generator, a large installation space is required for the ventilator, and a large amount of power is required for operation.

本発明は上記のごとき技術の現状を踏まえてなされたもので、本発明の目的は、換気して使用される建物の内部あるいは外部に据え付けられる燃料電池発電装置で、全体として狭いスペースに据え付け可能で、かつ少ない消費動力で運転可能な燃料電池発電装置を提供することにある。   The present invention has been made in view of the current state of the art as described above, and an object of the present invention is a fuel cell power generator installed inside or outside a building that is ventilated and can be installed in a narrow space as a whole. Another object of the present invention is to provide a fuel cell power generator that can be operated with less power consumption.

上記の目的を達成するために、本発明においては、
（１）吸気口を備えた建物の内部に設置して使用される燃料電池発電装置に、建物の内部の空気を燃料電池発電装置の内部へと導く空気導入口と、燃料電池発電装置の内部の空気を建物の外部へ排出する空気排出管と、建物外部の空気を上記の吸気口を介して建物の内部に導き、さらに上記の空気導入口を通して燃料電池発電装置の内部に導入し、さらに上記の空気排出管を通して建物の外部へと排出する換気手段、例えば換気ファンを備えることとする。
（２）また、吸気口を備えた建物の外部に設置して使用される燃料電池発電装置に、建物の内部の空気を燃料電池発電装置の内部へと導く空気導入口と、燃料電池発電装置の内部の空気を外部へ排出する空気排出管と、建物外部の空気を上記の吸気口を介して建物の内部に導き、さらに上記の空気導入口を通して燃料電池発電装置の内部に導入し、さらに上記の空気排出管を通して外部へと排出する換気手段、例えば換気ファンを備えることとする。 In order to achieve the above object, in the present invention,
(1) A fuel cell power generator installed and used inside a building having an air inlet, an air inlet for guiding the air inside the building to the inside of the fuel cell power generator, and the interior of the fuel cell power generator An air exhaust pipe that exhausts the air outside the building, the air outside the building is guided to the inside of the building via the intake port, and is further introduced into the fuel cell power generator through the air inlet port. Ventilation means for discharging to the outside of the building through the air discharge pipe, for example, a ventilation fan is provided.
(2) In addition, an air inlet that guides the air inside the building to the inside of the fuel cell power generator, and the fuel cell power generator for the fuel cell power generator installed and used outside the building having the air inlet An air discharge pipe for discharging the air inside the building to the outside, and the air outside the building is guided to the inside of the building through the intake port, and further introduced into the fuel cell power generator through the air inlet port, and Ventilation means for discharging to the outside through the air discharge pipe, for example, a ventilation fan is provided.

（３）さらに、上記の（１）あるいは（２）の燃料電池発電装置において、上記の空気排出管を、排出空気を下部から上部へと通流させる略鉛直方向に延伸する排気ダクトより構成することとする。   (3) Further, in the fuel cell power generator of the above (1) or (2), the air discharge pipe is composed of an exhaust duct extending in a substantially vertical direction for flowing the exhaust air from the lower part to the upper part. I will do it.

建物の内部に設置して用いられる燃料電池発電装置において、上記の（１）のごとく空気導入口と空気排出口と換気手段を備えることとすれば、建物の内部に導かれた外部の空気は、建物の内部と燃料電池発電装置の内部を順次換気したのち、建物の外部へと排出される。したがって、１台の換気設備により建物と燃料電池発電装置の双方の換気を行うことが可能となるので、建物用と燃料電池発電装置用にそれぞれ個別の換気ファンを設置していた従来の構成例に比べて所要設置スペースが抑制でき、かつ消費電力を低減させることができる。
また、建物の外部に設置して用いられる燃料電池発電装置の場合においても、上記の（２）のごとく空気導入口と空気排出口と換気手段を備えれば、上記と同様に、１台の換気設備により建物と燃料電池発電装置の双方の換気を行うことが可能となるので、従来の構成例に比べて所要設置スペースが抑制でき、かつ消費電力を低減させることができる。 In a fuel cell power generator installed and used inside a building, if it is provided with an air inlet, an air outlet and a ventilation means as described in (1) above, the external air led into the building is After the inside of the building and the inside of the fuel cell power generator are sequentially ventilated, they are discharged to the outside of the building. Therefore, since it is possible to ventilate both the building and the fuel cell power generator with a single ventilation facility, a conventional configuration example in which separate ventilation fans are installed for the building and the fuel cell power generator, respectively. The required installation space can be suppressed and power consumption can be reduced.
Also, in the case of a fuel cell power generator installed and used outside a building, if it is provided with an air inlet, an air outlet, and ventilation means as described in (2) above, Since the ventilation facility can ventilate both the building and the fuel cell power generator, the required installation space can be suppressed and the power consumption can be reduced as compared with the conventional configuration example.

また、さらに上記の（３）のごとくとすれば、下部から上部へと通流させる略鉛直方向に延伸する排気ダクトへ燃料電池発電装置から排出された温度の高い排気空気が送られるので、煙突効果が生じて換気がより促進されることとなる。したがって、換気ファンの動力の低減が可能となり、少ない消費動力で運転可能な燃料電池発電装置を得るのに有効である。   Further, as described in (3) above, since the high-temperature exhaust air discharged from the fuel cell power generator is sent to the exhaust duct extending in the substantially vertical direction that flows from the lower part to the upper part, the chimney An effect will be produced and ventilation will be further promoted. Therefore, the power of the ventilation fan can be reduced, which is effective for obtaining a fuel cell power generator that can be operated with less power consumption.

本発明の最良の実施形態は、吸気口を備えた建物の内部に設置して使用される燃料電池発電装置で、建物の内部の空気を燃料電池発電装置の内部へと導く空気導入口と、燃料電池発電装置の内部の空気を建物の外部へ排出する空気排出管と、外部の空気を上記の吸気口を介して建物の内部に導き、さらに上記の空気導入口を通して燃料電池発電装置の内部に導入し、さらに上記の空気排出管を通して建物の外部へと排出する換気手段、例えば換気ファンを備えた燃料電池発電装置にある。
また、本発明の他の最良の実施形態は、吸気口を備えた建物の外部に設置して使用される燃料電池発電装置で、建物の内部の空気を燃料電池発電装置の内部へと導く空気導入口と、燃料電池発電装置の内部の空気を外部へ排出する空気排出管と、外部の空気を上記の吸気口を介して建物の内部に導き、さらに上記の空気導入口を通して燃料電池発電装置の内部に導入し、さらに上記の空気排出管を通して外部へと排出する換気手段、例えば換気ファンを備えた燃料電池発電装置にある。 The best mode of the present invention is a fuel cell power generator installed and used inside a building having an air inlet, and an air inlet that guides air inside the building to the inside of the fuel cell power generator, An air discharge pipe for discharging the air inside the fuel cell power generation device to the outside of the building, and the outside air is guided to the inside of the building through the intake port, and the inside of the fuel cell power generation device through the air introduction port. In addition, the fuel cell power generation apparatus includes a ventilation means, for example, a ventilation fan, that is introduced into the building and further discharged to the outside of the building through the air discharge pipe.
Another embodiment of the present invention is a fuel cell power generator that is used by being installed outside a building having an air inlet, and air that guides air inside the building to the inside of the fuel cell power generator. An introduction port, an air discharge pipe for discharging the air inside the fuel cell power generation device to the outside, and the outside air is guided to the inside of the building through the intake port, and further, the fuel cell power generation device through the air introduction port. In the fuel cell power generator equipped with ventilation means, for example, a ventilation fan, which is introduced into the interior of the engine and further exhausted to the outside through the air exhaust pipe.

図１は、本発明の燃料電池発電装置の第１の実施例の換気システムの構成を示す説明図である。本実施例の特徴は、燃料電池発電装置５が建物１の内部に設置されているものにおいて、建物１に吸気口２が備えられ、パッケージ型の燃料電池発電装置５に空気導入口６と換気ファン６、空気排出管９が備えられていることにある。本構成では、換気ファン６を駆動することによって、外部の空気が吸気口２を通して建物１の内部に導かれ、さらに燃料電池発電装置５の内部に導入され、換気ののち、空気排出管９を通して建物１の外部へと排出される。したがって、本構成とすれば建物１と燃料電池発電装置５の双方が１台の換気ファン６によって換気されることとなるので、設置スペースが低減でき、換気に要する動力も低減される。   FIG. 1 is an explanatory diagram showing the configuration of a ventilation system according to a first embodiment of the fuel cell power generator of the present invention. The feature of this embodiment is that the fuel cell power generation device 5 is installed inside the building 1, the building 1 is provided with an intake port 2, and the package type fuel cell power generation device 5 has an air inlet 6 and ventilation. The fan 6 and the air discharge pipe 9 are provided. In this configuration, by driving the ventilation fan 6, external air is led into the building 1 through the air inlet 2 and further introduced into the fuel cell power generator 5, and after ventilation, through the air discharge pipe 9. It is discharged outside the building 1. Therefore, with this configuration, both the building 1 and the fuel cell power generation device 5 are ventilated by the single ventilation fan 6, so that the installation space can be reduced and the power required for ventilation is also reduced.

図２は、本発明の燃料電池発電装置の第２の実施例の換気システムの構成を示す説明図である。本実施例も建物１の内部に燃料電池発電装置５を設置した場合の実施例で、第１の実施例と同様に、１台の換気ファン６によって換気するよう構成されている。本実施例の第１の実施例との相違点は、燃料電池発電装置５を換気したのちに排出される換気空気の排気ダクトの構成にあり、本実施例の構成では、換気空気を排出する空気排出管９Ａが、排出空気を下部から上部へと通流させる鉛直方向に延伸する排気ダクトより構成されている。本構成では、燃料電池発電装置５より排出される温度の高い換気空気が空気排出管９Ａの内部を流れる際、煙突効果が生じて自然換気されるので換気ファン８の所要動力をより一層低減することができる。   FIG. 2 is an explanatory diagram showing the configuration of the ventilation system of the second embodiment of the fuel cell power generator of the present invention. This embodiment is also an embodiment in the case where the fuel cell power generation device 5 is installed inside the building 1 and is configured to be ventilated by one ventilation fan 6 as in the first embodiment. The difference of the present embodiment from the first embodiment is the configuration of the exhaust duct of the ventilation air that is discharged after the fuel cell power generator 5 is ventilated. In the configuration of the present embodiment, the ventilation air is discharged. The air discharge pipe 9A is composed of an exhaust duct extending in the vertical direction that allows the exhaust air to flow from the lower part to the upper part. In this configuration, when high-temperature ventilation air discharged from the fuel cell power generation device 5 flows through the air discharge pipe 9A, a chimney effect is generated and natural ventilation is performed, so that the required power of the ventilation fan 8 is further reduced. be able to.

図３は、本発明の燃料電池発電装置の第３の実施例の換気システムの構成を示す説明図である。本実施例の特徴は、燃料電池発電装置５が吸気口２を備えた建物１の外部に近接して設置されているものにおいて、建物１の内部の空気をパッケージ型の燃料電池発電装置５の内部へ導入する空気導入口６と、燃料電池発電装置５の内部の空気を外部へ排出する空気排出管９が備えられ、さらに、外部の空気を吸気口２を通して建物１の内部、さらには空気導入口６を通して燃料電池発電装置５の内部へと導き、換気ののち外部へ排出する換気手段としての換気ファン８が備えられている点にある。したがって、本構成においても１台の換気ファン６の駆動により建物１と燃料電池発電装置５の双方の換気が可能となり、換気システムの設置スペース、ならびに駆動電力が低減されることとなる。   FIG. 3 is an explanatory diagram showing the configuration of the ventilation system of the third embodiment of the fuel cell power generator of the present invention. The feature of this embodiment is that the fuel cell power generator 5 is installed in the vicinity of the outside of the building 1 having the air inlet 2, and the air inside the building 1 is used as the package type fuel cell power generator 5. An air introduction port 6 for introducing the air into the inside, an air discharge pipe 9 for discharging the air inside the fuel cell power generation device 5 to the outside, and the inside of the building 1 through the air inlet 2 and further the air A ventilating fan 8 is provided as a ventilating means that guides the fuel cell power generator 5 through the inlet 6 into the fuel cell power generator 5 and exhausts the air after ventilation. Therefore, also in this configuration, it is possible to ventilate both the building 1 and the fuel cell power generator 5 by driving one ventilation fan 6, and the installation space of the ventilation system and the driving power are reduced.

図４は、本発明の燃料電池発電装置の第４の実施例の換気システムの構成を示す説明図である。本実施例も、第３の実施例と同様に、燃料電池発電装置５を吸気口２を備えた建物１の外部に近接して設置し、建物１の内部と燃料電池発電装置５の内部を空気導入口６で連結して、１台の換気ファン６によって換気するよう構成されている。本実施例の第３の実施例との相違点は、燃料電池発電装置５を換気したのちに排出される換気空気の空気排出管９Ｂの構成にあり、本実施例では、排気空気を下部から上部へと通流させる鉛直方向に延伸するダクトにより空気排出管９Ｂが構成されている。したがって第２の実施例と同様に、温度の高い換気空気が排気ダクト９Ｂの内部を流れ、煙突効果が生じて自然換気されるので換気ファン８の所要動力がより一層低減される。   FIG. 4 is an explanatory diagram showing the configuration of the ventilation system of the fourth embodiment of the fuel cell power generator of the present invention. In the present embodiment, similarly to the third embodiment, the fuel cell power generation device 5 is installed in the vicinity of the outside of the building 1 having the air inlet 2, and the inside of the building 1 and the inside of the fuel cell power generation device 5 are arranged. It connects with the air inlet 6 and is comprised so that it may ventilate with the one ventilation fan 6. FIG. The difference of this embodiment from the third embodiment is the configuration of the air exhaust pipe 9B for the ventilation air discharged after the fuel cell power generator 5 is ventilated. In this embodiment, the exhaust air is supplied from the lower part. The air discharge pipe 9B is constituted by a duct extending in the vertical direction to flow to the upper part. Therefore, similarly to the second embodiment, the ventilation air having a high temperature flows through the inside of the exhaust duct 9B and the chimney effect is generated to naturally ventilate, so that the required power of the ventilation fan 8 is further reduced.

図５は、本発明の燃料電池発電装置の第５の実施例の換気システムの構成を示す説明図である。第１?}第４の実施例が家屋の内部あるいは外部に1台の燃料電池発電装置を設置した場合の実施例であったのに対して、本実施例は、複数の燃料電池発電装置を内部に設置した多層階の集合住宅における構成例である。図に見られるように、集合住宅１１の各層には、それぞれ吸気口１２が備えられ、それぞれ1台の燃料電池発電装置５が設置されている。各燃料電池発電装置５には、換気用の空気導入口６と換気空気取り出し口７が備えられ、空気導入口６の内側に換気ファン８が配されている。また、換気空気取り出し口７は集合住宅１１の下層から上層へと鉛直方向に延伸するダクトよりなる空気亜移出管１３に連結されている。なお、図５には４層よりなる集合住宅１１が例示されているが、その層数は４層に限定されるものではなく、複数層の集合住宅に広く適用されるものである。   FIG. 5 is an explanatory diagram showing the configuration of the ventilation system of the fifth embodiment of the fuel cell power generator of the present invention. 1st?} The fourth embodiment is an embodiment in which one fuel cell power generator is installed inside or outside the house, whereas this embodiment has a plurality of fuel cell power generators. It is a structural example in the apartment house of the multi-storey floor installed inside. As can be seen in the figure, each layer of the apartment house 11 is provided with an air inlet 12, and one fuel cell power generator 5 is installed in each layer. Each fuel cell power generator 5 is provided with a ventilation air inlet 6 and a ventilation air outlet 7, and a ventilation fan 8 is disposed inside the air inlet 6. The ventilating air outlet 7 is connected to an air sub-outlet pipe 13 formed of a duct extending vertically from the lower layer to the upper layer of the apartment house 11. In addition, although the apartment house 11 which consists of four layers is illustrated in FIG. 5, the number of the layers is not limited to four layers, but is widely applied to a multi-layer apartment house.

本構成において、集合住宅１１の、例えば第１層の換気ファン８を駆動すると、この層の内部に吸気口１２を通して外部の空気が取り込まれ、建物内部を流通したのち、空気導入口６から燃料電池発電装置５の内部へと導かれる。燃料電池発電装置５の内部を流れて、除熱、冷却し、温度が上昇した排気空気は、換気空気取り出し口７より空気排出管１３へと送られ、上端より外部へと排出される。同様に、他の層においても、その層の換気ファン８を駆動すれば、その層の建物と燃料電池発電装置５の内部が換気され、排気空気は空気排出管１３より排出される。したがって、本構成とすれば、１台の換気ファン８の駆動により建物の内部と燃料電池発電装置５の内部の双方を換気することができるので、換気ファンの設置所要スペースが小さくなり、かつ、所要動力が低く抑えられる。特に、本構成では、高温となった排気空気を空気排出管１３へ集めて上方に流し、排出するよう構成しているので、排気空気には煙突効果が作用して排出が促進されることとなる。したがって、本構成は所要動力の低減に特に有効である。   In this configuration, when the ventilation fan 8 of the first layer, for example, of the apartment house 11 is driven, outside air is taken into the layer through the air inlet 12 and circulates inside the building. It is led into the battery power generation device 5. Exhaust air that has flowed through the inside of the fuel cell power generation device 5 and removed heat and cooled to rise in temperature is sent from the ventilation air outlet 7 to the air exhaust pipe 13 and discharged from the upper end to the outside. Similarly, in the other layers, if the ventilation fan 8 in that layer is driven, the building in that layer and the inside of the fuel cell power generation device 5 are ventilated, and the exhaust air is discharged from the air discharge pipe 13. Therefore, with this configuration, since the inside of the building and the inside of the fuel cell power generation device 5 can be ventilated by driving one ventilation fan 8, the required space for installing the ventilation fan is reduced, and The required power is kept low. In particular, in this configuration, the exhaust air that has reached a high temperature is collected in the air discharge pipe 13 and flows upward to be discharged, so that the chimney effect acts on the exhaust air to promote the discharge. Become. Therefore, this configuration is particularly effective for reducing the required power.

なお、本実施例は複数の燃料電池発電装置を多層階の集合住宅の建物の内部に設置した構成例であるが、複数の燃料電池発電装置を多層階の集合住宅の建物の外部に設置する場合には、図４に示した第４の実施例のごとく、集合住宅の建物の各層の空間を流れた空気を燃料電池発電装置内の空間に導く構成とし、各燃料電池発電装置から排出された換気空気を第５の実施例に用いられている空気排出管１３と同様の鉛直方向に延伸するダクトを通して排出するよう構成すれば、第５の実施例と同様の効果が得られる。   The present embodiment is a configuration example in which a plurality of fuel cell power generators are installed inside a multi-storey apartment building, but a plurality of fuel cell power generators are installed outside a multi-storey apartment building. In such a case, as in the fourth embodiment shown in FIG. 4, the air flowing through the space of each layer of the apartment building is guided to the space in the fuel cell power generator, and is discharged from each fuel cell power generator. If the ventilation air is exhausted through a duct extending in the vertical direction similar to that of the air exhaust pipe 13 used in the fifth embodiment, the same effect as in the fifth embodiment can be obtained.

以上述べたように、燃料電池発電装置を請求項１あるいは２のごとく構成すれば、システム全体としての据付所要面積が狭く抑えられ、かつ換気に必要な消費動力が低く抑えられ、さらに請求項３のごとく構成すれば、換気に必要な消費動力がより一層低く抑えられるので、本発明は、各種のパッケージ型の燃料電池発電装置に広く利用されるものと期待される。   As described above, if the fuel cell power generator is configured as in claim 1 or 2, the required installation area of the entire system can be kept small, and the power consumption required for ventilation can be kept low. If configured as described above, the power consumption required for ventilation can be further reduced, and therefore the present invention is expected to be widely used in various package type fuel cell power generators.

本発明の燃料電池発電装置の第１の実施例の換気システムの構成を示す説明図Explanatory drawing which shows the structure of the ventilation system of 1st Example of the fuel cell electric power generating apparatus of this invention. 本発明の燃料電池発電装置の第２の実施例の換気システムの構成を示す説明図Explanatory drawing which shows the structure of the ventilation system of 2nd Example of the fuel cell power generator of this invention. 本発明の燃料電池発電装置の第３の実施例の換気システムの構成を示す説明図Explanatory drawing which shows the structure of the ventilation system of 3rd Example of the fuel cell power generator of this invention. 本発明の燃料電池発電装置の第４の実施例の換気システムの構成を示す説明図Explanatory drawing which shows the structure of the ventilation system of 4th Example of the fuel cell power generator of this invention. 本発明の燃料電池発電装置の第５の実施例の換気システムの構成を示す説明図Explanatory drawing which shows the structure of the ventilation system of 5th Example of the fuel cell power generator of this invention. 従来の燃料電池発電装置の換気システムの構成を示す説明図Explanatory drawing which shows the structure of the ventilation system of the conventional fuel cell power generator 従来の燃料電池発電装置の他の例の換気システムの構成を示す説明図Explanatory drawing which shows the structure of the ventilation system of the other example of the conventional fuel cell power generator.

符号の説明Explanation of symbols

１ 建物
２ 吸気口
５ 燃料電池発電装置
６ 空気導入口
８ 換気ファン
９，９Ａ，９Ｂ 空気排出口
１１ 集合住宅
１２ 吸気口
１３ 空気排出口 DESCRIPTION OF SYMBOLS 1 Building 2 Air inlet 5 Fuel cell power generation device 6 Air inlet 8 Ventilation fan 9, 9A, 9B Air outlet 11 Apartment house 12 Air inlet 13 Air outlet

Claims (5)

吸気口を備えた建物の内部に設置して使用される燃料電池発電装置で、前記建物の内部の空気を燃料電池発電装置の内部へと導く空気導入口と、燃料電池発電装置の内部の空気を前記建物の外部へ排出する空気排出管と、前記建物外部の空気を前記吸気口を介して前記建物の内部に導き、さらに前記空気導入口を通して燃料電池発電装置の内部に導入し、さらに前記空気排出管を通して建物の外部へと排出する換気手段を備えたことを特徴とする燃料電池発電装置。 A fuel cell power generator installed and used in a building having an air inlet, wherein the air introduction port guides the air inside the building to the fuel cell power generator, and the air inside the fuel cell power generator An air discharge pipe for discharging the air outside the building, air outside the building is guided to the inside of the building through the air inlet, and further introduced into the fuel cell power generator through the air inlet, A fuel cell power generator comprising a ventilation means for discharging to the outside of a building through an air discharge pipe. 吸気口を備えた建物の外部に設置して使用される燃料電池発電装置で、前記建物の内部の空気を燃料電池発電装置の内部へと導く空気導入口と、燃料電池発電装置の内部の空気を外部へ排出する空気排出管と、前記建物外部の空気を前記吸気口を介して前記建物の内部に導き、さらに前記空気導入口を通して燃料電池発電装置の内部に導入し、さらに前記空気排出管を通して外部へと排出する換気手段を備えたことを特徴とする燃料電池発電装置。 A fuel cell power generation device installed and used outside a building having an air inlet, wherein the air introduction port guides the air inside the building to the inside of the fuel cell power generation device, and the air inside the fuel cell power generation device An air discharge pipe for discharging the air to the outside, and the air outside the building is guided to the inside of the building through the air inlet, and further introduced into the fuel cell power generator through the air inlet, and further the air exhaust pipe A fuel cell power generator comprising a ventilation means for discharging to the outside through the fuel cell. 燃料電池発電装置の内部の空気を前記建物の外部へ排出する前記の空気排出管が、排出空気を下部から上部へと通流させる略鉛直方向に延伸する排気ダクトよりなることを特徴とする請求項１に記載の燃料電池発電装置。 The air discharge pipe for discharging the air inside the fuel cell power generator to the outside of the building is composed of an exhaust duct extending in a substantially vertical direction for allowing the discharged air to flow from the lower part to the upper part. Item 4. The fuel cell power generator according to Item 1. 前記建物は建物内部の空気を建物外部に排気するための略鉛直方向に延伸する排気ダクトを備え、前記燃料電池発電装置の内部の空気を外部へ排出する前記空気排出管が前記排気ダクトに接続されていることを特徴とする請求項２に記載の燃料電池発電装置。 The building includes an exhaust duct extending in a substantially vertical direction for exhausting air inside the building to the outside of the building, and the air exhaust pipe for discharging the air inside the fuel cell power generation device to the outside is connected to the exhaust duct The fuel cell power generator according to claim 2, wherein the fuel cell power generator is provided. 前記の換気手段が換気ファンであることを特徴とする請求項１乃至４のいずれかに記載の燃料電池発電装置。 5. The fuel cell power generator according to claim 1, wherein the ventilation means is a ventilation fan.
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