WO2019004031A1 - 燃料電池装置 - Google Patents
燃料電池装置 Download PDFInfo
- Publication number
- WO2019004031A1 WO2019004031A1 PCT/JP2018/023521 JP2018023521W WO2019004031A1 WO 2019004031 A1 WO2019004031 A1 WO 2019004031A1 JP 2018023521 W JP2018023521 W JP 2018023521W WO 2019004031 A1 WO2019004031 A1 WO 2019004031A1
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- WO
- WIPO (PCT)
- Prior art keywords
- panel
- fuel cell
- maintenance
- housing
- side panels
- Prior art date
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Classifications
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- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
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- 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
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
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- 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
- H01M8/04738—Temperature of auxiliary devices, e.g. reformer, compressor, burner
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- 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
- H01M8/04858—Electric variables
- H01M8/04925—Power, energy, capacity or load
- H01M8/0494—Power, energy, capacity or load of fuel cell stacks
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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
Definitions
- the present invention relates to a fuel cell device.
- a fuel cell module comprising, as a fuel cell device, a cell stack in which a plurality of fuel cells capable of obtaining power using fuel gas (hydrogen-containing gas) and oxygen-containing gas (air) in a storage container are stacked,
- a fuel cell device a cell stack in which a plurality of fuel cells capable of obtaining power using fuel gas (hydrogen-containing gas) and oxygen-containing gas (air) in a storage container are stacked
- an auxiliary device such as a heat exchanger required for the operation of a fuel cell module is housed in a housing such as an exterior case (casing).
- a housing of a fuel cell device five or six exterior panels for preventing rain wind etc. by screwing etc. are attached to the surface of a rectangular parallelepiped frame structure (strength member) made of metal frame. Is used.
- Patent Documents 1 to 3 the front side (front side) side exterior panel easy for maintenance workers to access is made removable, and on the side of this removable side exterior panel (also called maintenance panel) An arrangement in which connection ports for fluids such as gas and water used in the above, an exhaust port and the like are integrated is disclosed.
- a fuel cell device includes a case having a top panel and a plurality of side panels, and a fuel cell provided in the case and configured to store a cell stack that generates electric power using a fuel gas and an oxygen-containing gas.
- a module and a plurality of accessories provided in the housing and assisting the operation of the fuel cell module are provided.
- a plurality of panels except at least two are maintenance panels which can be detached at the time of maintenance.
- FIG. 1 It is a block diagram showing composition of a fuel cell device of this embodiment. It is an external appearance perspective view which shows the state which removed the exterior panel of the fuel cell apparatus of embodiment.
- FIG. 6 is an explanatory view showing a space area on the front side maintenance panel side (close to the front surface) in the fuel cell device of the embodiment. It is an external appearance perspective view which shows the state which removed the exterior panel of the fuel cell apparatus of embodiment. It is an external appearance perspective view which shows the state which removed the exterior panel of the fuel cell apparatus of other embodiment.
- FIG. 1 is a block diagram showing an example of the configuration of the fuel cell device of the present embodiment.
- the fuel cell device 10 includes a fuel cell module 1 including a cell stack device 103 having a reformer 101 and a cell stack 102 therein, and a plurality of accessories for operating the fuel cell module 1. ing.
- the plurality of auxiliary units are the heat exchanger 104, the radiator 105, the condensed water tank 106, the neutralization tank 107, the fuel supply device 108, the air supply device 109, the heat storage tank 2, the power conditioner 3, the desulfurizer 7 and the like. is there.
- the fuel cell module 1 and the accessories are housed in an outer case (case 20, illustrated in FIGS. 2 to 7).
- a raw fuel supply pipe for supplying the raw fuel desulfurized by the desulfurizer 7 and a water supply pipe for supplying reforming water.
- the reforming water is supplied from the condensed water tank 106 to the reformer 101 using a reforming water pump P1.
- the raw fuel supply pipe (flow path) is provided with a fuel supply device 108 for supplying the raw fuel to the reformer 101.
- the raw fuel is steam-reformed in the heated reformer 101 to become a reformed gas containing hydrogen.
- the reformed gas generated by the reformer 101 is supplied to the cell stack 102 through the reformed gas supply pipe M. Also, air taken in from the outside is supplied to the cell stack 102 via the air supply device 109.
- the electricity generated by the fuel cell module 1 is sent to the power conditioner 3 and used for power consumption, storage of electricity in the storage battery, and the like. Further, a control board 5 (shown in FIGS. 2 and 3) for controlling the fuel cell module 1 is provided.
- a heat exchanger 104 is connected to the fuel cell module 1 for treating exhaust gas exhausted from the inside.
- the exhaust gas generated in the fuel cell module 1 is introduced into the heat exchanger 104 through the exhaust gas flow path E.
- heat exchanger 104 heat exchange is performed between the heat medium (water) and the exhaust gas, the exhaust gas is cooled, and the heat medium is heated by the heat of the exhaust gas.
- the exhaust gas is cooled, and the contained steam is separated into water and gas by the steam separator.
- the gas is exhausted from the gas exhaust port (Vent) to the outside through the exhaust flow path V.
- the condensed water tank 106 has an ion exchange resin inside, and the condensed water is purified through the ion exchange resin and stored in the condensed water tank 106 as reforming water.
- the reforming water is supplied to the reformer 101 for steam reforming of the raw fuel, and the surplus reforming water is discharged from the drainage flow path (through the neutralization tank 107 containing the neutralizing agent). D: drained from the drain).
- a heat medium (such as tap water) circulates through the heat storage tank 2, the radiator 105 and the heat exchanger 104 in order by the heat medium circulation pump P2.
- Tap water and the like are stored in the heat storage tank 2.
- the heat medium is sent from the heat storage tank 2 to the radiator 105 to be cooled, and then sent to the heat exchanger 104.
- the heat medium exchanges heat with the exhaust gas to be heated.
- the heat medium (such as tap water) whose temperature has risen is returned to the heat storage tank 2.
- the heat storage tank 2 is connected to a hot water supply pipe HW for leading warm water (hot water) and a water supply pipe CW for supplying normal temperature water (cold water).
- FIGS. 2 to 7 are views showing a case in which the exterior panel is removed to show the internal structure in the fuel cell device of the present embodiment.
- the direction of the X-axis facing the back side (back side) from the installation front (front side) of the fuel cell device 10 and the housing 20 in each drawing is referred to as the front-rear direction of the housing.
- the direction of the Y-axis viewed from the front (front) side will be described as the left-right direction of the housing, and the Z-axis direction of the vertical top and bottom (top and bottom) as the vertical direction of the housing.
- the vertical direction (Z-axis direction) of the housing 20 may be referred to as the vertical direction
- a plane direction (direction of the X-axis and the Y-axis) orthogonal to the vertical direction may be referred to as the horizontal direction of the housing.
- FIG. 2 and FIG. 3 the fuel cell module 1 and the heat storage tank 2 are displayed, which are difficult to move or take out in the casing because their weight and volume are bulky, and other accessories and piping and wiring connecting these The illustration is omitted. These accessories and piping / wirings are disposed in the space excluding the fuel cell module 1 and the heat storage tank 2 described in FIGS. 2 and 3 or in the gaps between these devices.
- the fuel cell device 10 of the present embodiment includes a frame assembly 11 configured by combining each frame (12, 13, 14, etc.), and each surface (sixth surface) of the frame assembly 11. It has a housing 20 composed of the provided exterior panels (21 to 25 and the bottom plate 26 etc.).
- a fuel cell module 1 for housing a cell stack and a plurality of auxiliary devices for assisting the power generation operation of the fuel cell module 1 are accommodated.
- Each exterior panel may be provided with an unevenness such as a rib to improve its strength.
- the fuel cell device 10 In the fuel cell device 10, maintenance in accordance with the required frequency of each auxiliary device is essential. However, since the fuel cell device 10 is not installed in consideration of the workability and the like of a staff member at the time of maintenance, sometimes the fuel cell device 10 is installed at a place where the maintenance work by staff is not easy. is there.
- the fuel cell device 10 according to the present embodiment is the other exterior panel except the at least two of the exterior panels (in this example, the right side panel 24 and the rear panel 25 on the back side), that is, the upper panel 21 and the front panel
- the panel 22 and the left side panel 23 are maintenance panels which can be detached at the time of maintenance.
- the time of maintenance means the time of parts repair or replacement, inspection, etc.
- "removable" may be described as “removable”.
- the fuel cell device 10 of the present embodiment With this configuration, as shown in FIG. 2, in the fuel cell device 10 of the present embodiment, with the maintenance panels removed, a person in charge of the maintenance work can at a glance see the respective accessories in the case 20. It is possible to check the placement, status, connection status, etc. Furthermore, at the time of performing work such as replacement or repair, it is possible to easily access to the corresponding auxiliary device regardless of where the fuel cell device 10 is installed. Therefore, it can be said that the fuel cell device 10 of the present embodiment is a fuel cell device having high maintainability.
- the exterior panel attached to the frame assembly 11 is a side panel that constitutes one upper surface panel 21 and each side surface of the housing 20. It is. There are four side panels: a front panel 22, a left side panel 23, a right side panel 24, and a rear panel 25. As described above, the top panel 21 and two adjacent side panels of the side panels (in this example, the front panel 22 and the left side panel 23) are detachable maintenance panels.
- the auxiliary device to be preferentially maintained based on predetermined criteria is the aforementioned front panel 22 side or left side panel 23 side, or It is arrange
- the condensed water tank 106 and the neutralization tank 107 are disposed on the front panel 22 side.
- a desulfurizer 7, a radiator (radiator) 105, and the like are disposed on the left side panel 23 side.
- the other accessories are not shown.
- the accessories can be mounted not only on the bottom plate 26 as described above, but also on the side or top of the module 1. Thereby, the space above the inside of the housing 20 can be efficiently used.
- auxiliary equipment preferentially maintained based on predetermined criteria includes at least all auxiliary machinery in the first group with the highest priority shown below, and It may also include one or more of the accessories classified in the high second group, and may further include all accessories including the first and second groups.
- an accessory that is preferentially maintained based on predetermined criteria may be one or more or all or a plurality of other accessories other than the first group and the second group. May be included, and piping, wiring, joints, etc. for connecting accessories may also be included.
- the “predetermined reference” is a reference that is determined based on maintenance frequency (interval) by inspection, repair, replacement of expendable parts and the like, and can be appropriately set based on the maintenance frequency.
- maintenance frequency interval
- accessories with high maintenance frequency have a high maintenance priority.
- the first group which is the auxiliary machine group having high priority of maintenance, includes the condensed water tank 106 containing the ion exchange resin, the desulfurizer 7 containing the desulfurization catalyst, and the neutralizer. Sum tank 107, an air filter, and the like.
- the second group which is the accessory group having the second highest priority for maintenance, includes the pumps such as the reforming water pump P1 and the heat medium circulating pump P2, the control board 5, the reforming water, and the fuel gas. It refers to sensors (not shown) such as a flow rate sensor that measures the flow rate.
- the accessories belonging to the first group or the second group do not necessarily have to be the accessories listed in this embodiment.
- accessories other than the first group and the second group also include a solenoid valve (not shown), a radiator (radiator) 105, a power conditioner 3, a heat exchanger 104, and the like.
- the accessories preferentially maintained are easily reached by the attendants on the front panel 22 side, the left side panel 23 side, or the top panel 21 side. It is arrange
- the "maintenance panel detachable at the time of maintenance" is a panel that needs to be removed in order to access all the accessories that are preferentially maintained. Therefore, although the right side panel 24 and the back side rear panel 25 are detachable, they are not maintenance panels because they do not need to be removed at the time of maintenance.
- FIG. 6 is a view for explaining the above-mentioned “maintenance panel side” (close to the panel) in the case 20 of the present embodiment.
- the auxiliary machine to be preferentially maintained can be disposed on the maintenance panel side.
- to arrange on the maintenance panel side can be rephrased to arrange in the space area on the maintenance panel side.
- the front panel 22 (maintenance panel) side is a front panel when the space in the housing 20 is divided as shown in FIG. It can be a space area on the 22 side (space above the dot hatching part). That is, it can be rephrased as a section (space area) on the side of the front panel 22 from the middle point when the space in the case is divided into two in the front-rear direction (X-axis direction).
- the front panel 22 (maintenance panel) may be a section (space area) closest to the front panel 22 when the space in the housing is equally divided into three in the front-rear direction (X-axis direction) .
- the left side panel 23 (maintenance panel) side is a section on the left side panel 23 side from the middle point when the space in the housing is equally divided in the left and right direction (Y axis direction) It may mean a space area). Furthermore, the left side panel 23 (maintenance panel) side is a section (space area) on the most left side panel 23 side when the space in the housing is equally divided into three in the left and right direction (Y axis direction) It is also good.
- the top panel 21 (maintenance panel) side is a section (space area on the top panel 21 side from the middle point when the space in the case is divided into two in the vertical direction (Z axis direction) It may mean). Furthermore, the top panel 21 (maintenance panel) side may be the section (space area) closest to the top panel 1 when the space in the housing is equally divided into three in the vertical direction (Z-axis direction) .
- Each space area mentioned above refers to the space where the accessory can be installed except the position (place) of the fixed large-sized device (fuel cell module 1, heat storage tank 2), and the size of the accessory ( The size can be set as appropriate according to the relationship with other accessories that are connected or linked.
- the large-sized devices (the fuel cell module 1 and the heat storage tank 2) are disposed in the area on the side of the right side panel 24 and the rear panel 25 which is not a maintenance panel.
- the front panel 22 which is one of the side panels can be separated from the easily removable maintenance panel 22 main body and the maintenance panel 22 main body.
- a joint panel 27 supporting the plurality of fluid joints 4.
- the width in the horizontal direction (Y-axis direction) and the length in the vertical direction (Z-axis direction) are greater than the horizontal width and the vertical length of the maintenance panel (front panel 22) described above. , Formed short.
- the maintenance panel front panel 22
- the vertical frame 12A it is possible to confirm an accessory from between the joint panel 27 and the vertical frame 12A, or to put a hand in the housing 20 from this gap. Therefore, this configuration also improves the maintainability of the fuel cell device 10.
- the frame structure 11 constituting the housing 20 is configured by assembling each frame with the bottom plate 26 as a base.
- the vertical frames 12A, 12B, 12C, 12D are erected at the four corners of the bottom plate 26.
- the horizontal frames 13A, 13B, 13C, 13D located in the upper part (upper part) of the frame structure 11 and the horizontal frames 14A, 14B, 14C, 14D located in the middle part (middle part) cross between the respective vertical frames.
- the vertical frames are fixed by screwing (fastening), welding or the like.
- the horizontal frames 13A, 13B, 13C, 13D located at the upper portion support the upper surface panel 21 of the upper surface (upper surface) of the housing 20.
- the horizontal frames 14A, 14B, 14C, and 14D positioned in the middle support the front panel 22, the left side panel 23, the right side panel 24, and the rear panel 25 that constitute the respective side surfaces of the housing 20.
- Reference numeral 15 denotes a horizontal frame (corresponding to the lower part) around the bottom plate 26.
- each vertical frame and each horizontal frame supporting the removable maintenance panel in this example, three of the top panel 21, the front panel 22 and the left side panel 23
- the vertical frame 12A, the horizontal frame 13A, 13B, 14A, 14B, etc. may be detachable.
- the upper horizontal frame 13B and the middle horizontal frame 14B which become obstacles to access to the accessories at the time of maintenance, may be screws or the like that can be easily removed. This configuration makes it easier to access and easily access accessories that require maintenance.
- the fuel cell device 10 of this embodiment is a control board 5 for controlling the fuel cell module 1 as shown in FIGS. Is provided.
- the housing 20 is provided with a substrate base 6 for holding the control substrate 5 described above, and the control substrate 5 is located below the mounting surface on which the electronic component (not shown) is mounted (vertically downward and Z It is disposed inside the substrate table 6 so as to be directed downward in the axial direction.
- the substrate table 6 (substrate case) is in the form of a box having an opening on one side, and as shown in FIG. 2, the opening is attached downward (a side not visible in the figure). Further, the control substrate 5 is mounted in the downward recess of the substrate table 6 with the mounting surface facing downward as described above.
- One side of the substrate table 6 (substrate case) is connected to one of the horizontal frames (in this example, the upper horizontal frame 13D) via a hinge member (hinge). Therefore, while holding the control substrate 5 inside, the substrate table 6 can be pivoted in the vertical direction (Z-axis direction) by using the horizontal frame as a support shaft.
- the substrate table 6 may be connected to one of the vertical frames so as to be rotatable in the left-right direction (Y-axis direction).
- the four side panels (the front panel 22, the left side panel 23, the right side panel 24, and the rear panel 25) constituting the housing 20 face each other on two sides Can be divided into two pairs (a front panel 22 and a rear panel 25 and a left side panel 23 and a right side panel 24).
- the area of each side panel to be configured is different.
- the above-mentioned substrate stand 6 is connected to a frame (one side of horizontal frames 13B and 13D used as a long side in this example) which supports a side panel with a large area.
- the substrate stand 6 is connected to the lateral frames on the side panel side other than the maintenance panel, that is, the lateral frame 13D supporting the side panels having a large area.
- the substrate table 6 is provided with the horizontal frame 13D on the opposite side to the maintenance panel as a support shaft, the horizontal frame 13B on the maintenance panel side can be easily removed. Further, even if the substrate table 6 is rotated, the access to the other accessories is not disturbed, so the maintainability is not impaired.
- the power conditioner 3 may be configured to be able to be pulled out and taken out with the top panel 21 removed.
- a desulfurizer 7 having a relatively high maintenance frequency may be provided in the vicinity of the front panel 22 and the left side panel 23, which are maintenance panels, depending on the area.
- two (two) desulfurizers 7 are mounted, and like the power conditioner 3, the desulfurizer 7 can be pulled out and taken out with the top panel 21 removed.
- the fuel cell apparatus 10 of the present embodiment is provided with a breaker board 8 mounted with a cutoff circuit 8A as shown in FIGS. 8 and 9 in a housing 20 as an accessory.
- the breaker board 8 is an accessory arranged in the housing 20, and may or may not be included in the accessories to be preferentially maintained.
- the breaker board 8 may be, for example, a wiring breaker or a leakage breaker.
- the circuit breaker circuit 8A may have a function of detecting and interrupting an overcurrent generated due to an overload or a short circuit, and in the case of a leakage circuit breaker, the circuit breaker circuit 8A may It has only to have a function to detect and shut off the leakage current due to
- the breaker board 8 is provided, for example, on a power supply wiring between the power conditioner 3 and a load or a storage battery.
- the shutoff circuit 8A operates by detecting the current flowing through the power supply wiring.
- the breaker board 8 has, for example, a circuit necessary for a circuit breaker such as the circuit breaker 8A mounted on a substrate 8B, and is configured in a plate shape as a whole.
- the substrate 8B has, for example, a rectangular outer shape, but is not limited to this and may have another outer shape.
- the blocking circuit 8A may be mounted on either or both main surfaces on one side or the other side of the substrate 8B.
- the breaker board 8 is disposed on the side of the front panel 22 which is a maintenance panel, and one side of the substrate 8B is connected to one of the vertical frames, in this example, the vertical frame 12D via a hinge member (hinge). ing.
- the vertical frame 12D is one of the frames supporting the front panel 22.
- the breaker board 8 can be pivoted in the left-right direction (Y-axis direction) by using the vertical frame 12D as a support shaft.
- the breaker board 8 may be connected to one of the horizontal frames, for example, the horizontal frame 13A, so as to be rotatable in the vertical direction (Z-axis direction).
- the fuel cell device 10 is covered by the front panel 22 and kept in the frame while the fuel cell device 10 is in operation, and the fuel cell device 10 is stopped. While maintenance is performed while removing the frame, it can be in a state of being evacuated outside the frame.
- the breaker board 8 can be rotatably connected to one of the longitudinal frames 12A and 12D which are long sides among the frames supporting the side panel having a small area.
- the breaker board 8 is connected to the vertical frame on the side panel other than the maintenance panel, that is, to the vertical frame 12D supporting the side panel having a large area.
- the breaker board 8 may further be equipped with a switch or the like for manually performing a closing operation or an opening operation of the breaking circuit 8A.
- the switch may be mounted on either the surface facing outward or the surface facing inward of the substrate 8B in a state of being accommodated in the frame. When mounted on the surface facing outward, for example, a window may be provided on the front panel 22 to expose the switch. Even if the shutoff circuit 8A is automatically opened by an overcurrent or the like, the user can easily perform the closing operation by manually operating the switch without removing the front panel 22. When mounted on the surface facing inward, the switch can not be operated when the breaker board 8 is in the frame.
- shutoff circuit 8A When the shutoff circuit 8A is automatically opened, the front panel 22 is removed, the breaker board 8 is rotated, and the switch is manually operated to perform the closing operation. As a result, it is possible to reduce the erroneous operation of the switch by the user, and the clerk performs the opening operation, so that the operation can be performed safely.
- the configuration of the accessories in the housing 20 of the fuel cell device 10 is not limited to the example in the above embodiment.
- Fuel cell module 10 fuel cell device 12A vertical frame (removable) 12B, 12C, 12D vertical frame 13B horizontal frame (removable) 13A, 13C, 13D horizontal frame 14B horizontal frame (removable) 14A, 14C, 14D Horizontal frame 20 Case 21 Top panel (for maintenance) 22 Front panel (for maintenance) 23 Left side panel (for maintenance) 24 Right side panel 25 Rear panel
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Abstract
Description
図1は、本実施形態の燃料電池装置の構成の一例を示すブロック図である。燃料電池装置10は、改質器101およびセルスタック102を有するセルスタック装置103を内部に備えて構成される燃料電池モジュール1と、燃料電池モジュール1を作動させるための複数の補機とを備えている。複数の補機とは、熱交換器104、放熱器105、凝縮水タンク106、中和タンク107、燃料供給装置108、空気供給装置109、蓄熱タンク2、パワーコンディショナ3、脱硫器7等である。これら燃料電池モジュール1と各補機類とは、外装ケース〔筐体20、図2~図7に図示〕に収容されている。
本実施形態の燃料電池装置10は、先に述べた優先的にメンテナンスされる補機として、筐体20内に、図2、図3に示すような、燃料電池モジュール1を制御する制御基板5が配設されている。
本実施形態の燃料電池装置10は、補機として、筐体20内に、図8、図9に示すような、遮断回路8Aを搭載したブレーカ盤8が配設されている。ブレーカ盤8は、筐体20内に配置される補機であり、優先的にメンテナンスされる補機に含まれていてもいなくてもよい。
10 燃料電池装置
12A 縦フレーム(着脱可)
12B,12C,12D 縦フレーム
13B 横フレーム(着脱可)
13A,13C,13D 横フレーム
14B 横フレーム(着脱可)
14A,14C,14D 横フレーム
20 筐体
21 上面パネル(メンテナンス用)
22 前面パネル(メンテナンス用)
23 左側面パネル(メンテナンス用)
24 右側面パネル
25 後面パネル
Claims (9)
- 上面パネルと、複数の側面パネルと、を有する筐体と、
該筐体内に設けられ、燃料ガスと酸素含有ガスを用いて発電を行うセルスタックを収納する燃料電池モジュールと、
前記筐体内に設けられ、前記燃料電池モジュールの運転を補助する複数の補機と、を備え、
前記上面パネルおよび前記複数の側面パネルのうち、少なくとも2つを除く複数が、メンテナンス時に着脱可能なメンテナンス用パネルである燃料電池装置。 - 前記複数の補機は、メンテナンス時に、予め決められた基準に基づいて優先的にメンテナンスされる補機と、それ以外の補機と、を有し、
前記筐体は直方体であり、かつ、1つの前記上面パネルと4つの前記側面パネルと、を有しているとともに、
前記上面パネルと、前記各側面パネルのうち隣り合う2つの側面パネルとが、前記メンテナンス用パネルとされており、
前記優先的にメンテナンスされる補機が、前記メンテナンス用パネル側に配置されている請求項1に記載の燃料電池装置。 - 前記筐体は、
前記上面パネルおよび前記各側面パネルを支持する複数の縦フレームと、
該複数の縦フレームの間を横断して設けられ、前記上面パネルおよび前記各側面パネルのうち少なくとも1つを支持する横フレームと、をさらに備え、
前記メンテナンス用パネルを支持する前記縦フレームおよび前記横フレームの少なくとも一部は、着脱が可能である請求項1または2に記載の燃料電池装置。 - 前記複数の優先的にメンテナンスされる補機が、前記燃料電池モジュールを制御する制御基板を含み、
前記筐体は、前記制御基板を保持する基板台を備え、
前記制御基板は、一方の面が電子部品の実装された実装面であって、
前記基板台は、前記制御基板の実装面を下に向けて筐体内に配設されている請求項2を引用する請求項3に記載の燃料電池装置。 - 前記筐体は、過電流または漏れ電流を遮断する遮断回路を搭載したブレーカ盤を備え、
前記ブレーカ盤は、前記メンテナンス用パネル側に配置されている請求項2を引用する請求項3または請求項4に記載の燃料電池装置。 - 前記基板台および前記ブレーカ盤の少なくとも一方が、前記縦フレームまたは前記横フレームに接続され、回動が可能である請求項4を引用する請求項5に記載の燃料電池装置。
- 前記4つの側面パネルは、対向する2面を一対とするパネル組を2対有し、一方の一対を構成する前記各側面パネルの面積と、他方の一対を構成する前記各側面パネルの面積とが異なっており、
前記基板台および前記ブレーカ盤の少なくとも一方は、前記面積が大きい前記一対の側面パネルのいずれか1つを支持する前記横フレームまたは前記縦フレームに接続されている請求項6に記載の燃料電池装置。 - 前記基板台が、該基板台の1辺を支軸にして、前記メンテナンス用パネル以外の前記側面パネル側の前記横フレームの1つに接続されている請求項7に記載の燃料電池装置。
- 前記各側面パネルの1つが、前記メンテナンス用パネルと、該メンテナンス用パネルと分離可能であって前記筐体内を流れる流体の流通用継手を支持する継手用パネルと、を有し、
該継手用パネルは、横方向の幅および縦方向の長さが、前記メンテナンス用パネルの横方向の幅および縦方向の長さよりも短い、請求項1~8のいずれか1つに記載の燃料電池装置。
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US16/626,354 US20200119387A1 (en) | 2017-06-30 | 2018-06-20 | Fuel cell device |
CN201880038363.0A CN110741500A (zh) | 2017-06-30 | 2018-06-20 | 燃料电池装置 |
EP18825051.8A EP3648216A4 (en) | 2017-06-30 | 2018-06-20 | FUEL CELL DEVICE |
JP2019526835A JP6855576B2 (ja) | 2017-06-30 | 2018-06-20 | 燃料電池装置 |
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US20220173423A1 (en) * | 2020-11-30 | 2022-06-02 | Toyota Jidosha Kabushiki Kaisha | Fuel cell module and manufacturing method thereof |
WO2024075216A1 (ja) * | 2022-10-05 | 2024-04-11 | 日産自動車株式会社 | 定置用燃料電池システム及び発電プラント |
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JP7327365B2 (ja) * | 2020-11-30 | 2023-08-16 | トヨタ自動車株式会社 | 燃料電池モジュール |
JP2022132828A (ja) * | 2021-03-01 | 2022-09-13 | トヨタ自動車株式会社 | 燃料電池モジュールの製造方法 |
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