Power storage facility

Abstract

To provide a power storage facility that minimizes space requirements while being capable of suppressing any decline in air conditioning performance (cooling or heating capacity).SOLUTION: A power storage facility comprises an electrical panel accommodating at least one of a power storage device and a power converter, and a first air conditioner and a second air conditioner positioned above the electrical panel to circulate air within the panel's interior space, the first air conditioner comprises a first intake port and a first exhaust port communicating with the ambient air around the electrical panel, the second air conditioner comprises a second intake port and a second exhaust port that communicate with the ambient air around the electrical panel, and the first intake port is positioned at a location different from the position opposite the second exhaust port.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to an electricity storage facility. [Background technology]

[0002] Patent Document 1 discloses a power conditioner that includes a sealed storage panel and a heat exchanger that draws in air from inside the storage panel, dissipates heat into air drawn in from the outside to lower the temperature, and then discharges the heat into the storage panel. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 6345578 Summary of the Invention [Problem to be solved by the invention]

[0004] The power conditioner disclosed in Patent Document 1 above includes multiple heat exchangers on the side of the storage panel. Such conventional power conditioners require space on the side of the storage panel to accommodate the multiple heat exchangers, which can make it difficult to install the power conditioner in a small space. While it is possible to arrange multiple heat exchangers on the storage panel, this approach limits the space available for arranging the multiple heat exchangers, potentially reducing the cooling performance of the heat exchangers depending on their placement. Furthermore, if multiple storage panels are installed with heat exchangers arranged as described above in a storage panel that houses battery modules or the like, there are even more concerns about the negative effects of increased installation space and reduced cooling performance.

[0005] The present invention was made by the inventors of the present application by focusing on the above-mentioned problem, and aims to provide an energy storage facility that can reduce space while suppressing a decline in air conditioning performance (cooling performance or heating performance). [Means for solving the problem]

[0006] A power storage facility according to one embodiment of the present invention comprises an electrical panel that houses at least one of a power storage element and a power converter, and a first air conditioning unit and a second air conditioning unit that are arranged above the electrical panel and circulate air in the internal space of the electrical panel, the first air conditioning unit having a first air intake port and a first exhaust port that communicate with the ambient air of the electrical panel, the second air conditioning unit having a second air intake port and a second exhaust port that communicate with the ambient air of the electrical panel, and the first air intake port is arranged at a position different from the position opposite the second exhaust port. [Effects of the Invention]

[0007] According to the electricity storage facility of the present invention, it is possible to reduce space while suppressing a decrease in air conditioning performance. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a perspective view showing the configuration of an electricity storage facility according to an embodiment. [Figure 2] FIG. 2 is a perspective view showing the configuration of four electrical panels and four air conditioners included in the power storage facility according to the embodiment. [Figure 3] FIG. 3 is a perspective view showing the configuration of the electricity storage device provided in the electrical panel according to the embodiment. [Figure 4] FIG. 4 is a plan view showing the positional relationship between the external intake ports and the external exhaust ports of a plurality of air conditioners according to the embodiment. [Figure 5] FIG. 5 is a plan view showing the positional relationship between the external intake ports and the external exhaust ports of a plurality of air conditioners in the power storage facility according to the first modification of the embodiment. [Figure 6] FIG. 6 is a plan view showing the positional relationship between the external intake ports and the external exhaust ports of a plurality of air conditioners in an electricity storage facility according to a second modification of the embodiment. [Figure 7] FIG. 7 is a plan view showing the positional relationship between the external intake ports and the external exhaust ports of a plurality of air conditioners in an electricity storage facility according to a third modification of the embodiment. [Figure 8]FIG. 8 is a plan view showing the positional relationship between the external intake ports and the external exhaust ports of a plurality of air conditioners in an electricity storage facility according to a fourth modification of the embodiment. [Figure 9] FIG. 9 is a plan view showing the positional relationship between the external intake ports and the external exhaust ports of a plurality of air conditioners in a power storage facility according to a fifth modification of the embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] (1) A power storage facility according to one aspect of the present invention includes an electrical panel that houses at least one of a power storage element and a power converter, and a first air conditioning unit and a second air conditioning unit that are arranged above the electrical panel and circulate air in the interior space of the electrical panel, the first air conditioning unit having a first air intake port and a first exhaust port that communicate with the ambient air of the electrical panel, the second air conditioning unit having a second air intake port and a second exhaust port that communicate with the ambient air of the electrical panel, and the first air intake port is arranged at a position different from the position facing the second exhaust port.

[0010] According to one aspect of the present invention, a power storage facility includes a first air conditioner and a second air conditioner arranged above an electrical panel, and the first air intake of the first air conditioner is arranged in a position different from the position facing the second air exhaust of the second air conditioner. By arranging the first air conditioner and the second air conditioner above the electrical panel in this manner, space can be saved, such as by allowing the electrical panel to be arranged in a narrow space, such as a small lot. In this configuration, the first air intake of the first air conditioner is arranged in a position that does not face the second air exhaust of the second air conditioner. This prevents the first air intake of the first air conditioner from drawing in exhaust air from the second air exhaust of the second air conditioner, thereby preventing a decrease in performance of the first air conditioner. Therefore, the power storage facility can prevent a decrease in air conditioning performance (cooling performance or heating performance) while saving space.

[0011] (2) In the energy storage facility described in (1) above, the electrical panel may include a first electrical panel that houses an energy storage element, and a second electrical panel that houses at least one of an energy storage element and a power converter and is arranged adjacent to the first electrical panel, and the first air conditioning device may be arranged above the first electrical panel, and the second air conditioning device may be arranged above the second electrical panel.

[0012] According to the power storage equipment described in (2) above, in a configuration in which a first electrical panel accommodating power storage elements and a second electrical panel accommodating at least one of power storage elements and a power converter are adjacent to each other, the first air conditioner is disposed above the first electrical panel, and the second air conditioner is disposed above the second electrical panel. By disposing the first air conditioner and the second air conditioner above the adjacent first and second electrical panels, space can be saved. In this configuration, the first air intake port of the first air conditioner above the first electrical panel is positioned so as not to face the second air exhaust port of the second air conditioner above the second electrical panel, thereby preventing a decrease in performance of the first air conditioner.

[0013] (3) In the storage equipment described in (2) above, in a plan view, in a direction intersecting the arrangement direction of the first electrical panel and the second electrical panel, the center position of the first electrical panel and the center position of the first air conditioning device may be positioned differently, the center position of the second electrical panel and the center position of the second air conditioning device may be positioned differently, and the center position of the first air conditioning device and the center position of the second air conditioning device may be positioned differently.

[0014] According to the power storage equipment described in (3) above, the first electrical panel and the first air conditioner have different central positions, the second electrical panel and the second air conditioner have different central positions, and the first air conditioner and the second air conditioner have different central positions. In this way, by arranging the two air conditioners, the first air conditioner and the second air conditioner, at offset positions, it is possible to prevent one air conditioner from drawing in the exhaust gas from the other air conditioner.

[0015] (4) In the storage facility described in any one of (1) to (3) above, in a plan view, at least one of the first air intake port and the second air intake port may be open toward the outside of the top plate of the electrical panel.

[0016] According to the power storage equipment described in (4) above, at least one of the first air intake port of the first air conditioner and the second air intake port of the second air conditioner opens toward the outside of the top plate of the electrical panel. This allows the air intake port to draw in fresh air from the outside of the top plate of the electrical panel, thereby preventing the intake of exhaust air from the air conditioner. This prevents the air intake port from being blocked by snow during snowfall.

[0017] Hereinafter, with reference to the drawings, a description will be given of a power storage facility according to an embodiment of the present invention (including its modified examples). The embodiments described below are all comprehensive or specific examples. The numerical values, shapes, materials, components, component placement and connection configurations, manufacturing processes, and the order of manufacturing processes shown in the following embodiments are examples only and are not intended to limit the present invention. In each drawing, dimensions and the like are not strictly illustrated. In each drawing, the same or similar components are designated by the same reference numerals.

[0018] In the following description and drawings, the width direction of the electrical panel housing, or the direction in which the two side panels of the housing face each other, is defined as the X-axis direction. The depth direction of the electrical panel housing, or the direction in which the front and rear panels of the housing face each other, is defined as the Y-axis direction. The arrangement direction of the electrical panel and the air conditioning unit, the height direction of the electrical panel housing, the direction in which the top and bottom panels of the housing face each other, the arrangement direction of the power storage devices sandwiching the shelf panels of the housing, and the vertical direction or up-down direction are defined as the Z-axis direction. These X-axis, Y-axis, and Z-axis directions intersect each other (orthogonal in this embodiment).

[0019] In the following explanation, the positive X-axis direction refers to the direction of the arrow on the X-axis, and the negative X-axis direction refers to the direction opposite to the positive X-axis direction. When simply referring to the X-axis direction, it refers to both or either of the positive X-axis direction and the negative X-axis direction. The same applies to the Y-axis and Z-axis directions. Expressions indicating relative directions or attitudes, such as parallel and perpendicular, also include cases where the direction or attitude is not strictly that. When two directions are parallel (or perpendicular), it does not only mean that the two directions are completely parallel (or perpendicular), but also means that the directions are substantially parallel (or perpendicular), that is, there is a difference of, for example, a few percent. In the following explanation, when the term "insulation" is used, it means "electrical insulation." An insulating material has a volume resistivity of 1×10 6 Ωm or more, more preferably 1×10 7 Ωm or more, more preferably 1×10 10 It is preferable that the material be made of a material with a resistance of Ωm or more.

[0020] (Embodiment) [1 General description of the energy storage facility 1] First, an overall description of the power storage facility 1 according to the present embodiment will be given. FIG. 1 is a perspective view showing the configuration of the power storage facility 1 according to the present embodiment. FIG. 2 is a perspective view showing the configuration of four electrical panels 100 and four air conditioners 200 included in the power storage facility 1 according to the present embodiment. In FIG. 2, a front panel 113 is removed from a housing 110 of one electrical panel 100 (101) to show the internal configuration of the housing 110, and the housing 110 and the air conditioners 200 are appropriately seen through, with parts to be described indicated by dashed lines. FIG. 3 is a perspective view showing the configuration of a power storage device 120 included in the electrical panel 100 according to the present embodiment. In FIG. 3, an exterior body 121 of the power storage device 120 is seen through, and the internal configuration of the exterior body 121 is indicated by dashed lines.

[0021] The power storage facility 1 is a facility that charges and discharges electricity and supplies it to an external power load. The power storage facility 1 is a stationary battery used for business or home use, and is used for power storage or power supply purposes. In this embodiment, the power storage facility 1 is an outdoor-spec facility that is installed outdoors (can be installed outdoors), and has dustproof and waterproof properties to the extent necessary for outdoor installation. The power storage facility 1 is installed in a large mobile object such as a ship or a railway vehicle for an electric railway, and can also be used as a battery for driving the large mobile object or starting the engine. Examples of the above-mentioned railway vehicle for an electric railway include electric trains, monorails, linear motor cars, and hybrid trains equipped with both a diesel engine and an electric motor.

[0022] As shown in FIG. 1 , the power storage facility 1 includes an electrical panel 100, an air conditioner 200 arranged above the electrical panel 100, an electrical panel 300, and an air conditioner 400 arranged above the electrical panel 300. Specifically, the power storage facility 1 includes a plurality of electrical panels 100, a plurality of air conditioners 200 arranged above the plurality of electrical panels 100, one electrical panel 300, and a plurality of air conditioners 400 arranged above the single electrical panel 300. In this embodiment, ten electrical panels 100 are arranged in five sets of two electrical panels 100 arranged in the Y-axis direction in the X-axis direction, and one electrical panel 300 is located in the positive direction of the X-axis. These electrical panels 100 and 300 are arranged adjacent to each other in the X-axis direction or the Y-axis direction. "Adjacent to each other in the X-axis direction" refers to a state in which the panels are arranged relatively close to each other in the X-axis direction, and includes cases in which the panels are in contact with each other in the X-axis direction and cases in which the panels are close to each other but not in contact with each other in the X-axis direction. The same applies when they are arranged adjacently in the Y-axis direction. In each electrical panel 100, one air conditioner 200 is arranged above one electrical panel 100. Four air conditioners 400 are arranged above the electrical panel 300, with two air conditioners 400 lined up in the Y-axis direction forming two sets in the X-axis direction.

[0023] In this embodiment, the electrical panel 100 is a power storage panel that houses power storage elements. The electrical panel 300 is a power conversion panel that houses a power converter. Electric power received from the outside is converted by the electrical panel 300 and then supplied to the electrical panel 100, where it is charged. Electric power discharged by the electrical panel 100 is converted by the electrical panel 300 and then supplied to the outside.

[0024] Hereinafter, these multiple electrical panels 100 (storage panels) and electrical panels 300 (power conversion panels) will also be collectively referred to as electrical panels 10. The top panel of the electrical panel 100 (top panel 116 described below) and the top panel of the electrical panel 300 will also be collectively referred to as top panel 11. The multiple air conditioners 200 and the multiple air conditioners 400 will also be collectively referred to as air conditioners 20. In other words, the electrical panel 10 includes multiple electrical panels 100 (storage panels) and one electrical panel 300 (power conversion panel). The air conditioner 20 includes multiple air conditioners 200 and multiple air conditioners 400. The air conditioner 20 is arranged above the top panel 11 of the electrical panel 10. The numbers of electrical panels 100, electrical panels 300, air conditioners 200, and air conditioners 400 are not limited to those described above. As long as the configuration described below is satisfied, the electrical panel 10 may include any number of electrical panels 100, or may not include any electrical panels 100. The electrical panel 10 may include any number of electrical panels 300, or may not include any electrical panels 300. The air conditioner 20 may include any number of air conditioners 200, or may not include any air conditioners 200. The air conditioner 20 may include any number of air conditioners 400, or may not include any air conditioners 400.

[0025] [1.1 Description of Electrical Panels 100 and 300] Next, the configurations of the electrical panels 100 and 300 will be described in detail. First, the configuration of the electrical panel 100 will be described, and then the configuration of the electrical panel 300 will be described, focusing on the parts that differ from the electrical panel 100. Since the multiple electrical panels 100 provided in the power storage facility 1 (electrical panel 10) all have the same configuration, the configuration of one electrical panel 100 will be described in detail below.

[0026] The electrical panel 100 is a device that can charge electricity from an external source and discharge electricity to an external source, and has a rectangular parallelepiped shape. The electrical panel 100 is a stationary storage panel (battery panel) that stores various types of electricity, such as power from a commercial power system, power generated by generators, wind power, or solar power, and regenerative power from railway systems, and supplies stable power to external equipment. As described above, the electrical panel 100 is an outdoor-spec facility that is installed outdoors (can be installed outdoors) and has the dustproof and waterproof properties required for outdoor installation. Specifically, the electrical panel 100 has an IP2X, IP3X, IP4X, IP5X, or IP6X dustproof rating and an IPX3, IPX4, IPX5, IPX6, IPX7, or IPX8 waterproof rating according to the protection rating (IP code) defined by the IEC (International Electrotechnical Commission) standards.

[0027] As shown in FIG. 2, the electrical panel 100 includes a housing 110 and a plurality of power storage devices 120 arranged inside the housing 110. In addition to these components, the electrical panel 100 also includes electric wires and the like that connect the plurality of power storage devices 120 to one another, but these are not shown in the drawings and will not be described in detail. In this embodiment, within the housing 110, a plurality of (six) power storage devices 120 are arranged in the X-axis direction and are arranged in multiple tiers in the Z-axis direction. The number of power storage devices 120 arranged in the X-axis direction and the number of tiers arranged in the Z-axis direction are not particularly limited. The plurality of power storage devices 120 may all be connected in series, may be connected in a combination of series and parallel, or may all be connected in parallel.

[0028] The housing 110 is a rectangular parallelepiped (box-shaped) container (shelf, rack). The interior space of the housing 110 is partitioned into multiple sections, and multiple power storage devices 120 are housed within the partitioned spaces. The housing 110 is made of metal such as stainless steel, aluminum, aluminum alloy, iron, or plated steel. The housing 110 may be made of a material other than metal (such as resin), but is preferably made of a material that has high strength, heat resistance, and flame retardancy. The housing 110 includes side panels 111 and 112, a front panel 113, a rear panel 114, a bottom panel 115, a top panel 116, a first shelf panel 117, and a second shelf panel 118.

[0029] The side plates 111 and 112, the front plate 113, the rear plate 114, the bottom plate 115, and the top plate 116 are flat, rectangular wall portions that cover all six sides of the housing 110. Specifically, the side plate 111 is a wall of the housing 110 facing in the negative direction on the X axis, and the side plate 112 is a wall of the housing 110 facing in the positive direction on the X axis. The front plate 113 is a wall of the housing 110 facing in the negative direction on the Y axis. The front plate 113 is a cover member (door) that can be opened and closed (opened and closed freely) to close an opening on the surface (front face) of the housing 110 facing in the negative direction on the Y axis. The rear plate 114 is a wall of the housing 110 facing in the positive direction on the Y axis. The bottom plate 115 is a wall of the housing 110 facing in the negative direction on the Z axis. The top plate 116 is a wall of the housing 110 facing in the positive direction on the Z axis.

[0030] Through holes are formed in the lower parts of the side plates 111 and 112. As shown in FIG. 2 , of the four electrical boards 100, the electrical board 100 located in the positive direction of the X axis and the negative direction of the Y axis is also referred to as electrical board 101, and the electrical board 100 located in the negative direction of the X axis and the negative direction of the Y axis is also referred to as electrical board 102. The electrical boards 101 and 102 are adjacent to each other in the X axis direction. In this case, in the housing 110 provided for the electrical board 101, a through hole 111a is formed in the lower part of the side plate 111, and a through hole 112a is formed in the lower part of the side plate 112. In the housing 110 provided for the electrical board 102, a through hole 112b is formed in the lower part of the side plate 112 (the through hole in the lower part of the side plate 111 is not shown in the drawing).

[0031] As a result, through-hole 111a of electrical panel 101 and through-hole 112b of electrical panel 102 are arranged opposite each other, and a first member 30, which is wiring or piping, passes through through-holes 111a and 112b. First member 30 includes at least one of main circuit wiring, signal lines, grounding lines, commercial AC wiring, control power lines, cooling piping, heating piping, and fire extinguishing piping. Through-holes 111a and 112b are sealed by first cover 40 that covers the periphery of first member 30, thereby maintaining the above-mentioned dustproof and waterproof properties. The same applies to other through-holes such as through-hole 112a.

[0032] The top plate 116 is formed with a top plate first ventilation opening 116a and a top plate second ventilation opening 116b. The top plate first ventilation opening 116a and the top plate second ventilation opening 116b are through-holes formed in the top plate 116 to allow the air conditioner 200 to take in and exhaust air, and are arranged in a position facing the air conditioner 200. In the present embodiment, the top plate first ventilation opening 116a is arranged at the end of the top plate 116 in the negative direction of the Y axis, and the top plate second ventilation opening 116b is arranged at the end of the top plate 116 in the positive direction of the Y axis. The air conditioner 200, which is arranged above the top plate 116, circulates air in the internal space of the electrical panel 100 via the top plate first ventilation opening 116a and the top plate second ventilation opening 116b. That is, air whose temperature has been adjusted by the air conditioner 200 is exhausted from the top plate second vent 116b into the internal space of the electrical panel 100, the air circulates through the internal space of the electrical panel 100, and is then drawn into the air conditioner 200 from the top plate first vent 116a. From the perspective of the air conditioner 200, the top plate first vent 116a is an intake port, and the top plate second vent 116b is an exhaust port. From the perspective of the electrical panel 100, the top plate first vent 116a is an exhaust port, and the top plate second vent 116b is an intake port. The top plate first vent 116a and the top plate second vent 116b are sealed from the air conditioner 200, thereby maintaining the above-mentioned dustproofness and waterproofness.

[0033] The first shelf 117 and the second shelf 118 are walls that divide the space inside the housing 110. Each power storage device 120 is disposed inside the housing 110 by being supported by the first shelf 117 and the second shelf 118 within the space divided by the first shelf 117 and the second shelf 118. A plurality of power storage devices 120 are arranged in the X-axis direction on the first shelf 117, and a plurality of power storage devices 120 are arranged in the X-axis direction on the second shelf 118. A space in the negative Z-axis direction of the first shelf 117 where no power storage devices 120 are disposed is formed, and an electric unit (electrical component) that controls all of the power storage devices 120 is disposed therein. In this embodiment, the first shelf 117 and the second shelf 118 are flat, rectangular wall portions. An opening (not shown) is formed in the second shelf 118, and air circulating in the interior space of the electrical panel 100 can pass through the opening. No openings are formed in the first shelf 117, and the air circulating in the internal space of the electrical panel 100 cannot pass through the space in the negative Z-axis direction of the first shelf 117. The shapes of the first shelf 117 and the second shelf 118 are not particularly limited, and they may be narrow plate-like or rod-like members such as beams.

[0034] Next, the configuration of the energy storage device 120 will be described in detail. The energy storage device 120 is a battery module (battery assembly) having a substantially rectangular parallelepiped shape that is elongated in the Y-axis direction. The longitudinal direction of the energy storage device 120 is the Y-axis direction. As shown in FIG. 3, the energy storage device 120 includes an exterior body 121, a plurality of energy storage elements 122, and a substrate unit 123. In this embodiment, the plurality of energy storage elements 122 are arranged side by side in the Y-axis direction, but the arrangement direction and the number of the energy storage elements 122 are not particularly limited, and only one energy storage element 122 may be arranged. In addition to these components, the energy storage device 120 also includes bus bars and the like that connect terminals of the plurality of energy storage elements 122 to each other, but these are not shown in the drawings and detailed description will also be omitted. The energy storage device 120 may also include a pair of external terminals (positive and negative) for connecting to the outside, spacers arranged between the energy storage elements 122, restraining members (end plates, side plates, etc.) for restraining the energy storage elements 122, a bus bar frame for positioning the bus bar, etc., but these are not shown or described here.

[0035] The exterior body 121 is a box-shaped (rectangular parallelepiped) container (module case) that is elongated in the Y-axis direction and that constitutes the outer shell of the power storage device 120. The exterior body 121 houses the multiple energy storage elements 122, fixes the multiple energy storage elements 122 in predetermined positions, and protects them from impacts and the like. The exterior body 121 is formed from an insulating material such as resin, and prevents the energy storage elements 122 from coming into contact with external metal members and the like. The exterior body 121 may be formed from a conductive material such as metal, as long as the insulating properties of the energy storage elements 122 are maintained.

[0036] The energy storage element 122 is a secondary battery (single cell) that can charge and discharge electricity, and more specifically, is a non-aqueous electrolyte secondary battery such as a lithium ion secondary battery. In this embodiment, the energy storage element 122 has a flattened rectangular parallelepiped (square) shape, but the shape of the energy storage element 122 is not limited to a rectangular parallelepiped shape and may be a polygonal prism shape other than a rectangular parallelepiped, a cylindrical shape, an elongated cylindrical shape, an elliptical cylindrical shape, or the like. The energy storage element 122 may be a secondary battery other than a non-aqueous electrolyte secondary battery, or may be a capacitor. The energy storage element 122 may be a primary battery. The energy storage element 122 may be a battery using a solid electrolyte. The energy storage element 122 may be a pouch-type energy storage element.

[0037] The board unit 123 is a device that can monitor the states of the energy storage elements 122, such as the charge state and discharge state, and control the energy storage elements 122. The board unit 123 has electrical equipment such as a circuit board (CMU: Cell Management Unit) inside. In this embodiment, the board unit 123 is a flat rectangular member that is attached to the end of the exterior body 121 on the negative Y-axis direction, and is thereby disposed at the end of the energy storage device 120 on the negative Y-axis direction.

[0038] Next, a detailed description will be given of the configuration of the electrical panel 300. The electrical panel 300 is a stationary power conversion panel (PCS panel, power conditioner) that has a housing similar to the electrical panel 100 and has a power converter and copper bars (not shown) inside the housing.

[0039] The housing of the electrical panel 300, like the housing 110 of the electrical panel 100, has six flat, rectangular walls: two side panels, a front panel, a rear panel, a bottom panel, and a top panel. Of the two side panels of the housing of the electrical panel 300, the side panel facing the electrical panel 100 has a through-hole (not shown) formed in the lower part, like the side panels 111 and 112 of the housing 110 of the electrical panel 100. The top panel of the housing of the electrical panel 300 has a top panel first vent hole and a top panel second vent hole (not shown) formed therein for the intake and exhaust of air by the air conditioner 400, like the top panel 116 of the housing 110 of the electrical panel 100. As such, the housing of the electrical panel 300 has a similar configuration to the housing 110 of the electrical panel 100, and therefore a detailed description thereof will be omitted.

[0040] The power converter and copper bars included in the electrical panel 300 may be any known power converter and copper bar. The power converter is electrically connected to the power storage device 120 included in the electrical panel 100 and converts power to or from the electrical panel 100. The power converter converts AC power to DC power (AC-DC conversion), converts DC power to AC power (DC-AC conversion), or converts voltage or frequency to a different value (DC-DC conversion, AC-AC conversion). In this embodiment, the power converter converts power to the electrical panel 100 from AC power to DC power and adjusts the voltage of the power, and converts power from the electrical panel 100 from DC power to AC power and adjusts the voltage of the power. The electrical panel 300 may also include electrical equipment (electrical components) such as a breaker.

[0041] 1.2 Description of Air Conditioners 200 and 400 Next, the configurations of the air conditioners 200 and 400 will be described in detail. First, the configuration of the air conditioner 200 will be described, and then the configuration of the air conditioner 400 will be described, focusing on the differences from the air conditioner 200. The multiple air conditioners 200 included in the power storage facility 1 (air conditioners 20) all have the same configuration, and the multiple air conditioners 400 all have the same configuration.

[0042] The air conditioner 200 is a device having at least one of a cooling function and a heating function. In this embodiment, the air conditioner 200 has both a cooling function and a heating function, and performs cooling or heating by switching between cooling operation and heating operation. From the viewpoint of cost reduction, the air conditioner 200 may be equipped with an air conditioner (cooler) dedicated to cooling and a heater separate from the air conditioner. In this case, the air conditioner 200 may stop the exhaust fan when the heater is in use. In this embodiment, the air conditioner 200 is a heat exchange type air conditioner.

[0043] As shown in FIG. 2, the air conditioner 200 is disposed above the top plate 116 of the housing 110 of the electrical panel 100. Specifically, the air conditioner 200 includes an air conditioner main body 210, which is disposed in a position facing a top plate first vent opening 116a and a top plate second vent opening 116b formed in the top plate 116. As a result, the air conditioner 200 circulates air in the internal space of the electrical panel 100 via the top plate first vent opening 116a and the top plate second vent opening 116b formed in the top plate 116. In this embodiment, the air conditioner 200 is disposed above the top plate 116 with the air conditioner main body 210 in contact with (resting on) the top plate 116. The air conditioning device 200 may be placed above the top plate 116 with the air conditioning device main body 210 spaced apart from the top plate 116, for example, by placing other components between the air conditioning device main body 210 and the top plate 116.

[0044] During cooling, air conditioner 200 exhausts cooled air from top plate second vent 116b into the interior of electrical panel 100, uses the air to cool power storage device 120 located in the interior space of electrical panel 100, and then draws heated air into air conditioner 200 from top plate first vent 116a. During heating, air conditioner 200 exhausts heated air from top plate second vent 116b into the interior of electrical panel 100, uses the air to heat the interior space of electrical panel 100, and then draws cooled air into air conditioner 200 from top plate first vent 116a. Air conditioner 200 cools or heats power storage device 120 (particularly power storage element 122; the same applies below) inside electrical panel 100 by cooling or heating the interior space of electrical panel 100. In cold regions, the air conditioner 200 heats the power storage device 120 inside the electrical panel 100 with heating, and when the temperature of the power storage device 120 becomes high, cools the power storage device 120 with cooling.

[0045] The air conditioner 200 has a configuration in which the indoor unit and outdoor unit of a heat exchange type air conditioner are integrated into the same case. Therefore, the air conditioner 200 further includes an external air intake vent 220 and an external air exhaust vent 230 that communicate with the ambient air around the electrical panel 100. The external air intake vent 220 is an opening for drawing in ambient air around the electrical panel 100, and the external air exhaust vent 230 is an opening for exhausting air to the ambient air around the electrical panel 100. In other words, the top plate first air vent 116a and the top plate second air vent 116b are the air intake vent and the air exhaust vent that allow the air conditioner 200 to function as an indoor unit. The external air intake vent 220 and the external air exhaust vent 230 are the air intake vent and the air exhaust vent that allow the air conditioner 200 to function as an outdoor unit. The portion corresponding to the outdoor unit and the portion corresponding to the indoor unit are separated, so that the air inside the electrical panel 100 and the air around the electrical panel 100 do not mix.

[0046] The external air intake vent 220 and the external air exhaust vent 230 are disposed on the side or top surface (side surface in this embodiment) of the air conditioner body 210. Taking the air conditioner 201, which is the air conditioner 200 disposed above the electrical panel 101, as an example, the external air intake vent 220 of the air conditioner 201 is disposed on the surface of the air conditioner body 210 in the negative Y-axis direction (the surface facing outward). This prevents the external air intake vent 220 from being buried in snow during snowfall. The surface of the air conditioner body 210 of the air conditioner 201 in the negative Y-axis direction is preferably disposed in a position close to the front panel 113 of the housing 110 of the electrical panel 101 in the Y-axis direction, in order to prevent the external air intake vent 220 from being buried in snow during snowfall. For this reason, the surface of the air conditioner body 210 of the air conditioner 201 in the negative Y-axis direction may be disposed in the same position as the front panel 113 of the electrical panel 101 in the Y-axis direction. External exhaust port 230 is disposed on the surface of air conditioner main body 210 in the X-axis direction. Because warm air is exhausted from external exhaust port 230, even when snow has accumulated, the warm air melts the snow, preventing external exhaust port 230 from becoming buried in snow. External intake port 220 or external exhaust port 230 may be provided with a hood or the like to prevent snow accumulation or snow blowing from the side.

[0047] Like the air conditioner 200, the air conditioner 400 has both cooling and heating functions. The air conditioner 400 is disposed above the top plate of the electrical panel 300. The air conditioner 400 circulates air in the interior space of the electrical panel 300 through a first top plate vent (not shown) and a second top plate vent (not shown) formed in the top plate of the electrical panel 300. The air conditioner 400 cools or heats the interior space of the electrical panel 300, thereby cooling or heating the power converters and other components inside the electrical panel 300. The air conditioner 400 may be configured to have only a cooling function if it is not necessary to heat the power converters and other components inside the electrical panel 300. Like the air conditioner 200, the air conditioner 400 has an external air intake vent 420 and an external air exhaust vent 430 that communicate with the air surrounding the electrical panel 300 (see FIG. 1). The configurations of the external intake port 420 and the external exhaust port 430 provided in the air conditioner 400 are similar to the external intake port 220 and the external exhaust port 230 provided in the air conditioner 200, and therefore detailed description thereof will be omitted.

[0048] [2. Description of the Positional Relationship of the External Intake and Exhaust Ports of the Multiple Air Conditioners 200 and 400] Next, the positional relationship of the external intake and exhaust ports (external intake and exhaust ports) of the multiple air conditioners 200 and 400 will be described in detail. Fig. 4 is a plan view showing the positional relationship of the external intake and exhaust ports of the multiple air conditioners 200 and 400 according to this embodiment. Fig. 4 is a view of the four air conditioners 200 on the four electrical panels 100 and the four air conditioners 400 on the electrical panel 300 shown in Fig. 1 as viewed from the positive direction of the Z axis.

[0049] First, the positional relationship between the external intake ports 220 and the external exhaust ports 230 of the multiple air conditioners 200 will be described, and then the positional relationship between the external intake ports and the external exhaust ports including the multiple air conditioners 400 will be described. Below, the positional relationship between the external intake ports 220 and the external exhaust ports 230 of four air conditioners 200 will be described, but the positional relationship between the external intake ports 220 and the external exhaust ports 230 of the other air conditioners 200 is also similar.

[0050] [2.1 Description of the positional relationship between the external intake and exhaust ports of the multiple air conditioners 200] As shown in FIG. 4, the electrical panel 10 includes four electrical panels 100 (electrical panels 101 to 104). The electrical panel 101 is disposed in the negative X-axis direction of the electrical panel 300 and in the negative Y-axis direction of the electrical panel 103. The electrical panel 101 is disposed adjacent to the electrical panel 300 in the X-axis direction and adjacent to the electrical panel 103 in the Y-axis direction. The electrical panel 102 is disposed in the negative X-axis direction of the electrical panel 101 and in the negative Y-axis direction of the electrical panel 104. The electrical panel 102 is disposed adjacent to the electrical panel 101 in the X-axis direction and adjacent to the electrical panel 104 in the Y-axis direction. The electrical panel 103 is disposed in the negative X-axis direction of the electrical panel 300. The electrical panel 103 is disposed adjacent to the electrical panel 300 in the X-axis direction. The electrical panel 104 is disposed in the negative X-axis direction of the electrical panel 103. The electrical board 104 is disposed adjacent to the electrical board 103 in the X-axis direction.

[0051] The air conditioner 20 includes air conditioners 201 to 204 as four air conditioners 200 arranged above the electrical panels 101 to 104 included in the electrical panel 10. The air conditioner 201 is arranged above the electrical panel 101 and circulates air in the internal space of the electrical panel 101. The air conditioner 202 is arranged above the electrical panel 102 and circulates air in the internal space of the electrical panel 102. The air conditioner 203 is arranged above the electrical panel 103 and circulates air in the internal space of the electrical panel 103. The air conditioner 204 is arranged above the electrical panel 104 and circulates air in the internal space of the electrical panel 104.

[0052] Hereinafter, the electrical panel 101 will also be referred to as the first electrical panel 101, and the electrical panels 102 and 103 will also be referred to as the second electrical panel 102 and 103. The air conditioner 201 will also be referred to as the first air conditioner 201, and the air conditioners 202 and 203 will also be referred to as the second air conditioners 202 and 203. The external air intake port 220 and the external exhaust port 230 provided in the first air conditioner 201 will also be referred to as the first air intake port 221 and the first exhaust port 231. The external air intake port 220 and the external exhaust port 230 provided in the second air conditioner 202 will also be referred to as the second air intake port 222 and the second exhaust port 232. The external air intake port 220 and the external exhaust port 230 provided in the second air conditioner 203 will also be referred to as the second air intake port 223 and the second exhaust port 233. The external air intake port 220 and the external exhaust port 230 provided in the air conditioner 204 are also referred to as the external air intake port 224 and the external exhaust port 234. That is, the first air conditioner 201 has a first air intake port 221 and a first exhaust port 231 that communicate with the ambient air of the electrical panel 10. The second air conditioner 202 has a second air intake port 222 and a second exhaust port 232 that communicate with the ambient air of the electrical panel 10. The same applies to the second air conditioner 203.

[0053] The positional relationship between the external intake and exhaust ports of the first air conditioner 201 and the second air conditioner 203 is as follows. In the first air conditioner 201, the first air intake port 221 is arranged on a side surface of the air conditioner body 210 facing in the negative Y-axis direction and opens toward the negative Y-axis direction (outward). The first exhaust port 231 is arranged on a side surface of the air conditioner body 210 facing in the negative X-axis direction and opens toward the negative X-axis direction. In the second air conditioner 203, the second air intake port 223 is arranged on a side surface of the air conditioner body 210 facing in the positive Y-axis direction and opens toward the positive Y-axis direction (outward). The second exhaust port 233 is arranged on a side surface of the air conditioner body 210 facing in the positive X-axis direction and opens toward the positive X-axis direction. As such, in a plan view, at least one of the first air intake port 221 and the second air intake port 223 (both in this embodiment) opens toward the outside of the top plate 11 of the electrical panel 10. Planar view refers to the view from the positive Z-axis direction.

[0054] The first air intake port 221 is disposed at a position different from the position facing the second exhaust port 233. That is, the first air intake port 221 is disposed at a position not facing the second exhaust port 233. The first air intake port 221 faces a direction (negative Y-axis direction) different from the direction in which the second exhaust port 233 faces (positive X-axis direction). In this embodiment, the first air intake port 221 faces a direction intersecting (orthogonal to) the direction in which the second exhaust port 233 faces. The first air intake port 221 faces a direction (negative Y-axis direction) different from the direction in which the first exhaust port 231 faces (negative X-axis direction). In this embodiment, the first air intake port 221 faces a direction intersecting (orthogonal to) the direction in which the first exhaust port 231 faces. The second air intake port 223 is disposed at a position different from the position facing the first exhaust port 231 (non-facing position). The second air intake port 223 faces in a direction (positive direction of the Y axis) different from the direction (negative direction of the X axis) in which the first air exhaust port 231 faces. In this embodiment, the second air intake port 223 faces in a direction intersecting (orthogonal) the direction in which the first air exhaust port 231 faces. The second air intake port 223 faces in a direction (positive direction of the Y axis) different from the direction in which the second air exhaust port 233 faces (positive direction of the X axis). In this embodiment, the second air intake port 223 faces in a direction intersecting (orthogonal) the direction in which the second air exhaust port 233 faces.

[0055] The positional relationship between the external intake and exhaust ports of the first air conditioner 201 and the second air conditioner 202 is as follows. In the second air conditioner 202, the second air intake port 222 is arranged on a side surface of the air conditioner body 210 facing in the negative Y-axis direction, and opens in the negative Y-axis direction (outward). The second exhaust port 232 is arranged on a side surface of the air conditioner body 210 facing in the negative X-axis direction, and opens in the negative X-axis direction. In this way, in a plan view, at least one of the first air intake port 221 and the second air intake port 222 (both in this embodiment) opens outward from the top plate 11 of the electrical panel 10.

[0056] The first air intake port 221 is disposed at a position (non-opposing position) different from the position facing the second exhaust port 232. The first air intake port 221 faces a direction (negative Y-axis direction) different from the direction in which the second exhaust port 232 faces (negative X-axis direction). In this embodiment, the first air intake port 221 faces a direction intersecting (orthogonal) the direction in which the second exhaust port 232 faces. The second air intake port 222 is disposed at a position (non-opposing position) different from the position facing the first exhaust port 231. The second air intake port 222 faces a direction (negative Y-axis direction) different from the direction in which the first exhaust port 231 faces (negative X-axis direction). In this embodiment, the second air intake port 222 faces a direction intersecting (orthogonal) the direction in which the first exhaust port 231 faces. The second air intake port 222 faces a direction (negative Y-axis direction) different from the direction in which the second exhaust port 232 faces (negative X-axis direction). In this embodiment, the second intake port 222 faces in a direction intersecting (orthogonal to) the direction in which the second exhaust port 232 faces.

[0057] The positional relationship between the external intake and exhaust ports of the first air conditioner 201 and the air conditioner 204 is as follows: In the air conditioner 204, the external intake port 224 is arranged on the side surface of the air conditioner body 210 facing the positive direction of the Y axis, and opens toward the positive direction of the Y axis (outward). The external exhaust port 234 is arranged on the side surface of the air conditioner body 210 facing the positive direction of the X axis, and opens toward the positive direction of the X axis. In this way, in a plan view, at least one of the first intake port 221 and the external intake port 224 (both in this embodiment) opens toward the outside of the top plate 11 of the electrical panel 10.

[0058] The first air intake port 221 is disposed at a position (non-opposing position) different from a position facing the external exhaust port 234. The first air intake port 221 faces a direction (negative Y-axis direction) different from the direction in which the external exhaust port 234 faces (positive X-axis direction). In this embodiment, the first air intake port 221 faces a direction intersecting (orthogonal) the direction in which the external exhaust port 234 faces. The external air intake port 224 is disposed at a position (non-opposing position) different from a position facing the first exhaust port 231. The external air intake port 224 faces a direction (positive Y-axis direction) different from the direction in which the first exhaust port 231 faces (negative X-axis direction). In this embodiment, the external air intake port 224 faces a direction intersecting (orthogonal) the direction in which the first exhaust port 231 faces. The external air intake port 224 faces a direction (positive Y-axis direction) different from the direction in which the external exhaust port 234 faces (positive X-axis direction). In this embodiment, the external air intake port 224 faces in a direction intersecting (orthogonal to) the direction in which the external air exhaust port 234 faces.

[0059] [2.2 Explanation of the Positional Relationship between the External Intake and Exhaust Ports of the First Air Conditioner 201 and the Air Conditioner 400] The air conditioner 20 includes air conditioners 401 to 404 as four air conditioners 400 arranged above the electric panel 300 included in the electric panel 10. Air conditioner 401 is located on the negative X-axis and negative Y-axis side of the four air conditioners 400. Air conditioner 402 is located on the negative X-axis and positive Y-axis side of the four air conditioners 400. Air conditioner 403 is located on the positive X-axis and negative Y-axis side of the four air conditioners 400. Air conditioner 404 is located on the positive X-axis and positive Y-axis side of the four air conditioners 400. Hereinafter, the electric panel 300 will also be referred to as a second electric panel 300. Air conditioners 401 to 404 will also be referred to as second air conditioners 401 to 404. The external intake port 420 and the external exhaust port 430 provided in the second air conditioners 401 to 404 are also referred to as second intake ports 421 to 424 and second exhaust ports 431 to 434. In other words, the second air conditioners 401 to 404 are provided with the second intake ports 421 to 424 and second exhaust ports 431 to 434 that communicate with the ambient air of the electrical panel 10.

[0060] The positional relationship between the external intake and exhaust ports of the first air conditioner 201 and the second air conditioner 401 is as follows: In the second air conditioner 401, the second air intake port 421 is arranged on the side surface of the air conditioner body 410 facing in the negative Y-axis direction, and opens in the negative Y-axis direction (outward). The second exhaust port 431 is arranged on the side surface of the air conditioner body 410 facing in the negative X-axis direction, and opens in the negative X-axis direction. In this way, in a plan view, at least one of the first air intake port 221 and the second air intake port 421 (both in this embodiment) opens outward from the top plate 11 of the electrical panel 10.

[0061] The first air intake port 221 is disposed at a position (non-opposing position) different from the position facing the second exhaust port 431. The first air intake port 221 faces a direction (negative Y-axis direction) different from the direction in which the second exhaust port 431 faces (negative X-axis direction). In this embodiment, the first air intake port 221 faces a direction intersecting (orthogonal) the direction in which the second exhaust port 431 faces. The second air intake port 421 is disposed at a position (non-opposing position) different from the position facing the first exhaust port 231. The second air intake port 421 faces a direction (negative Y-axis direction) different from the direction in which the first exhaust port 231 faces (negative X-axis direction). In this embodiment, the second air intake port 421 faces a direction intersecting (orthogonal) the direction in which the first exhaust port 231 faces. The second air intake port 421 faces a direction (negative Y-axis direction) different from the direction in which the second exhaust port 431 faces (negative X-axis direction). In this embodiment, second intake port 421 faces in a direction intersecting (orthogonal to) the direction in which second exhaust port 431 faces.

[0062] The positional relationship between the external intake and exhaust ports of the first air conditioner 201 and the second air conditioner 402 is as follows: In the second air conditioner 402, the second air intake port 422 is arranged on a side surface of the air conditioner body 410 facing in the positive direction of the Y axis, and opens toward the positive direction of the Y axis (outward). The second exhaust port 432 is arranged on a side surface of the air conditioner body 410 facing in the positive direction of the X axis, and opens toward the positive direction of the X axis. In this way, in a plan view, at least one of the first air intake port 221 and the second air intake port 422 (both in this embodiment) opens toward the outside of the top plate 11 of the electrical panel 10.

[0063] The first air intake port 221 is disposed at a position (non-opposing position) different from the position facing the second exhaust port 432. The first air intake port 221 faces a direction (negative Y-axis direction) different from the direction in which the second exhaust port 432 faces (positive X-axis direction). In this embodiment, the first air intake port 221 faces a direction intersecting (orthogonal) the direction in which the second exhaust port 432 faces. The second air intake port 422 is disposed at a position (non-opposing position) different from the position facing the first exhaust port 231. The second air intake port 422 faces a direction (positive Y-axis direction) different from the direction in which the first exhaust port 231 faces (negative X-axis direction). In this embodiment, the second air intake port 422 faces a direction intersecting (orthogonal) the direction in which the first exhaust port 231 faces. The second air intake port 422 faces a direction (positive Y-axis direction) different from the direction in which the second exhaust port 432 faces (positive X-axis direction). In this embodiment, second intake port 422 faces in a direction intersecting (orthogonal to) the direction in which second exhaust port 432 faces.

[0064] The positional relationship between the external intake and exhaust ports of the first air conditioner 201 and the second air conditioner 403 is the same as the positional relationship between the external intake and exhaust ports of the first air conditioner 201 and the second air conditioner 401. The positional relationship between the external intake and exhaust ports of the first air conditioner 201 and the second air conditioner 404 is the same as the positional relationship between the external intake and exhaust ports of the first air conditioner 201 and the second air conditioner 402.

[0065] In the above, the positional relationship of the external intake and exhaust ports has been explained, with air conditioner 201 referred to as the first air conditioner and the other air conditioners (excluding air conditioner 204) referred to as second air conditioners, but an air conditioner 200 different from air conditioner 201 may be referred to as the first air conditioner and the other air conditioners may be referred to as second air conditioners. Even in this case, the positional relationship of the external intake and exhaust ports will be the same as that explained above. Even if air conditioner 400 is referred to as the first air conditioner and the other air conditioners are referred to as second air conditioners, the positional relationship will be the same as that explained above.

[0066] [3 Explanation of effects] As described above, the power storage facility 1 according to the embodiment of the present invention includes the first air conditioner 201 and the second air conditioner 203 arranged above the electrical panel 10, and the first air intake 221 of the first air conditioner 201 is arranged in a position different from the position facing the second air exhaust 233 of the second air conditioner 203. By arranging the first air conditioner 201 and the second air conditioner 203 above the electrical panel 10 in this manner, it is possible to save space, for example, by allowing the electrical panel 10 to be arranged on a small plot of land. In this configuration, the first air intake 221 of the first air conditioner 201 is arranged in a position that does not face the second air exhaust 233 of the second air conditioner 203. This prevents the first air intake 221 of the first air conditioner 201 from drawing in exhaust air from the second air exhaust 233 of the second air conditioner 203 (exhaust air G2 in FIG. 4 ), thereby preventing a decrease in performance of the first air conditioner 201. Therefore, according to the power storage equipment 1, it is possible to suppress a decrease in air conditioning performance (cooling performance or heating performance) while saving space. The same applies to the other second air conditioners other than the second air conditioner 203.

[0067] In a configuration in which a first electrical panel 101 accommodating an energy storage element 122 and a second electrical panel 103 accommodating at least one of the energy storage element 122 and the power converter (in the present embodiment, the energy storage element 122) are adjacent to each other, the first air conditioner 201 is disposed above the first electrical panel 101, and the second air conditioner 203 is disposed above the second electrical panel 103. In this manner, by disposing the first air conditioner 201 and the second air conditioner 203 above the adjacent first electrical panel 101 and second electrical panel 103, space can be saved. In this configuration, the first air intake 221 of the first air conditioner 201 above the first electrical panel 101 is disposed in a position that does not face the second air exhaust 233 of the second air conditioner 203 above the second electrical panel 103, and therefore a decrease in performance of the first air conditioner 201 can be suppressed. Adjacent first electrical panel 101 and second electrical panel 103 can be installed outdoors or the like to configure an electricity storage facility 1 without a structure such as a building or container. By employing an air conditioning structure based on a similar concept for first electrical panel 101 and second electrical panel 103, costs can be reduced. The same applies to other second air conditioners other than second air conditioner 203.

[0068] At least one (in this embodiment, both) of the external air intake ports of the first air intake port 221 of the first air conditioner 201 and the second air intake port 223 of the second air conditioner 203 opens toward the outside of the top plate 11 of the electrical panel 10. This allows the external air intake port to draw in fresh air (air A1 or A2 in FIG. 4) from outside the top plate 11 of the electrical panel 10, and prevents the external air intake port from drawing in exhaust air (exhaust air G1 or G2 in FIG. 4) from the air conditioner 200. When snow accumulates, the external air intake port is prevented from being blocked by snow. The same applies to the other second air conditioners other than the second air conditioner 203.

[0069] By orienting first air intake port 221 in a direction intersecting (orthogonal to) the direction in which second exhaust port 233 faces, it is possible to prevent first air intake port 221 from drawing in exhaust air from second exhaust port 233 (exhaust air G2 in FIG. 4). The same applies to other second air conditioners other than second air conditioner 203. By orienting first air intake port 221 in a direction different from that of first exhaust port 231, it is possible to prevent first air intake port 221 from drawing in exhaust air from first exhaust port 231 (exhaust air G1 in FIG. 4).

[0070] When an air conditioner 200 different from the air conditioner 201 is referred to as a first air conditioner, the above-described effects can be similarly applied to the first air conditioner. When the air conditioner 400 is referred to as a first air conditioner, the above-described effects can be similarly applied.

[0071] [4 Explanation of Variations] Although the energy storage facility 1 according to the embodiment of the present invention has been described above, the present invention is not limited to this embodiment. The embodiment disclosed herein is illustrative in all respects, and the scope of the present invention includes all modifications within the meaning and scope of the claims.

[0072] (Variations 1 and 2) In the above embodiment, the first air intake 221 of the first air conditioner 201 faces in a direction different from or intersecting with the direction in which the second air exhaust 233 of the second air conditioner 203 faces, but this is not limited to this. Fig. 5 is a plan view showing the positional relationship between the external air intake vents and external exhaust vents of the plurality of air conditioners 200 and 400 in the power storage facility 2 according to Modification 1 of the present embodiment. Fig. 6 is a plan view showing the positional relationship between the external air intake vents and external exhaust vents of the plurality of air conditioners 200 and 400 in the power storage facility 3 according to Modification 2 of the present embodiment. Figs. 5 and 6 correspond to Fig. 4.

[0073] As shown in FIGS. 5 and 6 , the positional relationship between the first air conditioner 201 and the second air conditioner 203 is as follows. In a plan view, in a direction (X-axis direction) intersecting the arrangement direction (Y-axis direction) of the first electric panel 101 and the second electric panel 103, the center position P1 of the first air conditioner 201 and the center position Q1 of the first air conditioner 201 are positioned differently. In this modified example, the center position Q1 of the first air conditioner 201 is positioned offset in the negative X-axis direction from the center position P1 of the first electric panel 101. In a plan view, in a direction (X-axis direction) intersecting the arrangement direction (Y-axis direction) of the first electric panel 101 and the second electric panel 103, the center position P2 of the second electric panel 103 and the center position Q2 of the second air conditioner 203 are positioned differently. In this modified example, the center position Q2 of the second air conditioner 203 is positioned offset in the positive X-axis direction from the center position P2 of the second electric panel 103.

[0074] As a result, in a plan view, the center position Q1 of the first air conditioner 201 and the center position Q2 of the second air conditioner 203 are positioned at different positions in the direction (X-axis direction) intersecting the arrangement direction (Y-axis direction) of the first electric panel 101 and the second electric panel 103. In other words, in the X-axis direction, the center position P1 of the first electric panel 101 and the center position P2 of the second electric panel 103 are positioned at the same position. Therefore, in the X-axis direction, the first air conditioner 201 and the second air conditioner 203 are positioned at offset positions. Specifically, the center position Q1 of the first air conditioner 201 is positioned offset in the negative X-axis direction from the center position Q2 of the second air conditioner 203.

[0075] As shown in Fig. 5, the power storage equipment 2 in Modification 1 differs from the power storage equipment 1 in the above-described embodiment in the following respects. The first exhaust port 231 of the first air conditioner 201 is arranged on the side surface of the air conditioner body 210 facing in the positive direction of the Y axis, and opens in the positive direction of the Y axis. The same applies to the second exhaust port 232 of the second air conditioner 202. The second exhaust port 233 of the second air conditioner 203 is arranged on the side surface of the air conditioner body 210 facing in the negative direction of the Y axis, and opens in the negative direction of the Y axis. The same applies to the external exhaust port 234 of the air conditioner 204.

[0076] With this configuration, the first air intake port 221 faces in the same direction (negative direction of the Y axis) as the second exhaust port 233, rather than in a direction intersecting the direction. Similarly, the first air intake port 221 faces in the opposite direction to the direction in which the first exhaust port 231 faces, rather than in a direction intersecting the direction in which the first exhaust port 231 faces. Although the second air intake port 223 is disposed at a position different from the position facing the first exhaust port 231 (a position that does not face the first exhaust port 231), the second air intake port 223 faces in the same direction (positive direction of the Y axis) as the first exhaust port 231, rather than in a direction intersecting the direction in which the first exhaust port 231 faces. The second air intake port 223 faces in the opposite direction to the direction in which the second exhaust port 233 faces, rather than in a direction intersecting the direction in which the second exhaust port 233 faces. The same applies to the other air conditioners 200. As in the above embodiment, the first air intake port 221 is disposed at a position different from the position facing the second exhaust port 233 (a position that does not face the second exhaust port 233).

[0077] 6, the power storage equipment 3 in Modification 2 differs from the power storage equipment 2 in Modification 1 in the following respects. In the first air conditioner 201, the first air intake port 221 is arranged on the side surface of the air conditioner body 210 facing the positive direction of the Y axis, and opens in the positive direction of the Y axis. The first air exhaust port 231 is arranged on the side surface of the air conditioner body 210 facing the negative direction of the Y axis, and opens in the negative direction of the Y axis. The same applies to the second air intake port 222 and the second air exhaust port 232 of the second air conditioner 202.

[0078] With this configuration, the first air intake port 221 faces in the opposite direction (positive direction of the Y-axis) rather than in a direction intersecting the direction in which the second exhaust port 233 faces (negative direction of the Y-axis). Similarly, the first air intake port 221 faces in the opposite direction rather than in a direction intersecting the direction in which the first exhaust port 231 faces. Although the second air intake port 223 is disposed at a position different from a position facing the first exhaust port 231 (a non-facing position), the second air intake port 223 faces in the opposite direction (positive direction of the Y-axis) rather than in a direction intersecting the direction in which the first exhaust port 231 faces (negative direction of the Y-axis). Similarly, the second air intake port 223 faces in the opposite direction rather than in a direction intersecting the direction in which the second exhaust port 233 faces. The same applies to the other air conditioners 200. The fact that the first air intake port 221 is disposed at a position different from a position facing the second exhaust port 233 (a non-facing position) is the same as in the above embodiment.

[0079] The other configurations of Modifications 1 and 2 are the same as those of the above-described embodiment, and therefore description thereof will be omitted. Modifications 1 and 2 can also achieve the same effects as those of the above-described embodiment. In Modifications 1 and 2, the direction in which first air intake port 221 faces does not intersect with the direction in which second exhaust port 233 faces and the direction in which first exhaust port 231 faces, but since first air intake port 221 is positioned so as not to face second exhaust port 233, it is possible to prevent a decrease in the air conditioning performance of first air conditioner 201. The same applies to the other air conditioners 200. In this way, external exhaust port 230 may be positioned on a side surface in the Y-axis direction of air conditioner main body 210.

[0080] In the X-axis direction, the first electrical panel 101 and the first air conditioner 201 have different central positions, the second electrical panel 103 and the second air conditioner 203 have different central positions, and the first air conditioner 201 and the second air conditioner 203 have different central positions. In this way, by arranging the two air conditioners 200, the first air conditioner 201 and the second air conditioner 203, at offset positions, it is possible to prevent the exhaust air of one air conditioner 200 from being sucked in by the other air conditioner 200. If the external exhaust ports of the two air conditioners 200 are arranged at offset positions, it is possible to prevent the exhaust air of one air conditioner 200 from affecting (making it difficult to emit) the exhaust air of the other air conditioner 200. Specifically, in Modification 1 (FIG. 5), it is possible to prevent exhaust air G3 from air conditioner 201 from affecting the discharge of exhaust air G4 from air conditioner 203, and it is possible to prevent exhaust air G4 from air conditioner 203 from affecting the discharge of exhaust air G3 from air conditioner 201. In Modification 2 (FIG. 6), it is possible to prevent air conditioner 201 from drawing in exhaust air G6 from air conditioner 203.

[0081] (Variations 3 and 4) In the above embodiment, the first air intake 221 of the first air conditioner 201 and the second air intake 223 of the second air conditioner 203 are open outward, but this is not limited to this. Fig. 7 is a plan view showing the positional relationship between the external air intakes and external exhausts of the plurality of air conditioners 200 and 400 in the power storage facility 4 according to the third modification of the present embodiment. Fig. 8 is a plan view showing the positional relationship between the external air intakes and external exhausts of the plurality of air conditioners 200 and 400 in the power storage facility 5 according to the fourth modification of the present embodiment. Figs. 7 and 8 correspond to Fig. 4.

[0082] As shown in Fig. 7, the power storage equipment 4 in Modification 3 differs from the power storage equipment 1 in the above-described embodiment mainly in the following respects. The first air intake port 221 of the first air conditioner 201 is arranged on the side surface of the air conditioner body 210 facing in the positive direction of the Y axis, and opens in the positive direction of the Y axis. The same applies to the second air intake port 222 of the second air conditioner 202. The second air intake port 223 of the second air conditioner 203 is arranged on the side surface of the air conditioner body 210 facing in the negative direction of the Y axis, and opens in the negative direction of the Y axis. The same applies to the external air intake port 224 of the air conditioner 204.

[0083] As shown in FIG. 8 , the power storage equipment 5 in Modification 4 differs from the power storage equipment 1 in the above-described embodiment in the following respects. In the first air conditioner 201, the positions of the first air intake port 221 and the first exhaust port 231 are swapped. That is, the first air intake port 221 of the first air conditioner 201 is disposed on the side surface of the air conditioner main body 210 facing in the negative direction of the X axis, and opens toward the negative direction of the X axis. In the second air conditioner 203, the positions of the second air intake port 223 and the second exhaust port 233 are swapped. That is, the second air intake port 223 of the second air conditioner 203 is disposed on the side surface of the air conditioner main body 210 facing in the positive direction of the X axis, and opens toward the positive direction of the X axis. The same applies to the other air conditioners 200 and 400.

[0084] Due to these configurations, in the above-described modified examples 3 and 4, in a plan view, the first air intake port 221 and the second air intake port 223 do not open outward from the top plate 11 of the electrical panel 10. As in the above-described embodiment, the first air intake port 221 is arranged in a position different from the position facing the second exhaust port 233 (a position that does not face the second exhaust port 233).

[0085] The rest of the configuration of Modifications 3 and 4 is the same as that of the above-described embodiment, and therefore description thereof will be omitted. Modifications 3 and 4 can also achieve the same effects as those of the above-described embodiment. In Modifications 3 and 4, the first air intake vent 221 and the second air intake vent 223 do not open outward from the top plate 11 of the electrical panel 10, but the first air intake vent 221 is positioned so as not to face the second exhaust vent 233, thereby preventing a decrease in the air conditioning performance of the first air conditioner 201. The same applies to the other air conditioners. In this way, the external air intake vent 220 may be positioned on the inner side surface of the air conditioner main body 210 in the Y-axis direction, or on the side surface of the air conditioner main body 210 in the X-axis direction.

[0086] (Variation 5) In the above embodiment, the external exhaust port 230 of the air conditioner 200 and the external exhaust port 430 of the air conditioner 400 are open in the horizontal direction, but this is not limited to this. Fig. 9 is a plan view showing the positional relationship between the external intake ports and external exhaust ports of the plurality of air conditioners 200 and 400 in the power storage facility 6 according to the fifth modification of the present embodiment. Fig. 9 is a view corresponding to Fig. 4.

[0087] As shown in FIG. 9 , the power storage equipment 6 in Modification 5 differs from the power storage equipment 1 in the above-described embodiment in the following respects. The external exhaust port 230 of the air conditioner 200 is disposed on a surface of the air conditioner body 210 in the positive Z-axis direction and opens in the positive Z-axis direction. The external exhaust port 430 of the air conditioner 400 is disposed on a surface of the air conditioner body 410 in the positive Z-axis direction and opens in the positive Z-axis direction. Even in this configuration, the first air intake port 221 is disposed in a position different from (not facing) the position facing the second exhaust port 233. The same applies to the other air conditioners 200 and 400.

[0088] The rest of the configuration of this modified example is the same as that of the above embodiment, so a description thereof will be omitted. This modified example can also achieve the same effects as those of the above embodiment. In this manner, the external exhaust ports 230, 430 may open upward (in the positive direction of the Z axis). In this modified example, instead of or in addition to the configuration of the external exhaust port 230 of the air conditioner 200, the external intake port 220 of the air conditioner 200 may open upward (in the positive direction of the Z axis). The same applies to the air conditioner 400.

[0089] (Other variations) In the above embodiment, the electrical panel 100 accommodates the energy storage element 122, but may accommodate a power converter, or may accommodate both the energy storage element 122 and the power converter. The electrical panel 300 accommodates the power converter, but may accommodate the energy storage element 122, or may accommodate both the energy storage element 122 and the power converter. In other words, it is sufficient for the electrical panel 100 or 300 to accommodate at least one of the energy storage element 122 and the power converter. Any of the multiple electrical panels 100 and 300 provided in the energy storage facility 1 may be configured not to accommodate both the energy storage element 122 and the power converter.

[0090] In the above embodiment, one air conditioner 200 is arranged above one electrical panel 100, but multiple air conditioners 200 (such as a first air conditioner 201 and a second air conditioner 203) may be arranged above one electrical panel 100.

[0091] In the above embodiment, the center position of the first electric panel 101 and the center position of the first air conditioner 201 are arranged at different positions in the X-axis direction, but these center positions may be arranged at the same position in the X-axis direction. The center position of the second electric panel 103 and the center position of the second air conditioner 203 are arranged at different positions in the X-axis direction, but these center positions may be arranged at the same position in the X-axis direction. The center position of the first air conditioner 201 and the center position of the second air conditioner 203 are arranged at different positions in the X-axis direction, but these center positions may be arranged at the same position in the X-axis direction.

[0092] In the above embodiment, all of the air conditioners 200 included in the power storage facility 1 have the above-described configuration, but any one of the air conditioners 200 may have a configuration different from the above-described configuration. The same applies to the air conditioner 400.

[0093] Any combination of the above-described embodiments and modifications is also included within the scope of the present invention. In the above-described various modifications, those applicable to the electrical panel 100 are also applicable to the electrical panel 300. Those applicable to the air conditioner 200 are also applicable to the air conditioner 400. [Industrial Applicability]

[0094] The present invention can be applied to an electricity storage facility equipped with an electrical panel. [Explanation of symbols]

[0095] 1, 2, 3, 4, 5, 6 Energy storage facilities 10, 100 Electrical panel 11, 116 Top plate 20, 200, 400 air conditioner 30 First member 40 First Cover 101 Electrical Panel (First Electrical Panel) 102, 103, 300 Electrical panel (second electrical panel) 104 Electrical Panel 110 Case 116a Top panel first ventilation hole 116b Top plate second vent 120 Power storage device 121 Exterior body 122 Energy storage element 123 PCB unit 201 Air conditioner (first air conditioner) 202, 203, 401, 402, 403, 404 Air conditioner (secondary air conditioner) 204 Air conditioning equipment 210, 410 Air conditioning unit body 220, 224, 420 External air intake 221 First intake 222, 223, 421, 422, 423, 424 Second intake port 230, 234, 430 External exhaust port 231 First exhaust outlet 232, 233, 431, 432, 433, 434 Second exhaust port

Claims

1. an electrical panel that houses at least one of the storage element and the power converter; a first air conditioner and a second air conditioner that are arranged above the electrical panel and circulate air in an internal space of the electrical panel; the first air conditioner includes a first intake port and a first exhaust port that communicate with ambient air around the electrical panel; the second air conditioner includes a second intake port and a second exhaust port that communicate with the ambient air of the electrical panel; The first intake port is disposed at a position different from a position facing the second exhaust port. Energy storage equipment.

2. The electrical panel is a first electrical panel that houses the storage element; a second electrical panel that houses at least one of a power storage element and a power converter and is disposed adjacent to the first electrical panel; The first air conditioner is disposed above the first electrical panel, The second air conditioner is disposed above the second electrical panel. The power storage facility according to claim 1.

3. In a plan view, in a direction intersecting an arrangement direction of the first electric panel and the second electric panel, a center position of the first electric panel and a center position of the first air conditioner are arranged differently, a center position of the second electric panel and a center position of the second air conditioner are arranged differently, and a center position of the first air conditioner and a center position of the second air conditioner are arranged differently. The power storage facility according to claim 2.

4. In a plan view, at least one of the first air intake port and the second air intake port is open toward the outside of the top plate of the electrical panel. The storage facility according to any one of claims 1 to 3.

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