Car port

Abstract

To provide a car port capable of controlling leakage of rainwater, etc. from between adjacent members without applying waterproofing treatment at joint positions.SOLUTION: A car port comprises a roof member and a first crosspiece provided along a first direction and installed inclined in the first direction. The first crosspiece comprises a plurality of crosspiece members 20 having a columnar portion 22 having a hollow portion 21 formed inside over its longitudinal direction and a pair of sidewalls 23 provided over its longitudinal direction at an edge of an upper surface of the columnar portion 22 in a short direction, and a joint member 30 that fits into the hollow portion 21 of the crosspiece member 20 and connects adjacent crosspiece members 20 together. The upper surface of the columnar portion 22 and the pair of sidewalls 23 constitute a recessed portion 40. Rising portions configured to be higher than the lowest position of the upper surface 311 of the joint member 30 are provided respectively at both ends of the upper surface 311 of the joint member 30 in the short direction, over the longitudinal direction of the joint member 30.SELECTED DRAWING: Figure 8

Description

[Technical field]

[0001] The present invention relates to a carport. [Background technology]

[0002] In a photovoltaic power generation system using a solar cell module, sufficient sunlight is required to generate a large amount of power. For this reason, solar cell modules installed on sunny roofs of houses and buildings have become widespread, but in recent years, solar cell modules installed on the roof of a carport have been proposed (for example, Patent Document 1).

[0003] In the carport with solar cell modules in Patent Document 1, the vertical rails are supported by a pair of posts so that they slope downward from the front to the rear of the parking lot, and multiple horizontal rails, which are holding members, hold each of the multiple solar cell modules so that there are no gaps in the vertical direction and gaps along the horizontal rails in the horizontal direction. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2021-14764 A Summary of the Invention [Problem to be solved by the invention]

[0005] Generally, when constructing a carport for back-to-back parking (where two cars are parked back to back), the length of the upper rail (vertical rail) that supports the solar cell module that forms the roof needs to be about 10 to 12 m to cover the entire length of two cars. However, a single upper rail would cause problems in manufacturing, transportation, and construction, so an upper rail made of multiple members using joints is used. However, water due to condensation may drip from the joint position between such members, or rainwater passing above the rail may enter the rail member through a small gap at the joint position between the members and drip from below. In this case, it is necessary to apply a sealant to the inner surface of the recess at the joint position to perform a waterproofing treatment, which is time-consuming to construct. As such, in conventional carports, the rails are made of multiple members, which causes the problem of water leakage even in places where there is a roof.

[0006] The present invention has been made in consideration of the above-mentioned problems, and aims to provide a carport that can suppress leakage of rainwater and the like from between adjacent members without applying waterproofing treatment to the joint positions when the crosspieces are made of multiple members. [Means for solving the problem]

[0007] The carport of the present invention comprises a roof member having a plurality of solar cell modules arranged in a first direction and a second direction intersecting the first direction, and a first batten arranged along the first direction and installed at an angle in the first direction, the first batten comprising a plurality of batten members having a columnar portion having a hollow portion formed therein along its longitudinal direction and a pair of side walls arranged along the longitudinal direction of the short-side edge of the upper surface of the columnar portion, and a coupling member that fits into the hollow portions of the batten members to connect adjacent batten members, the upper surface of the columnar portion and the pair of side walls forming a recess, and the coupling member has raised portions arranged at both ends in the short-side direction of the upper surface of the coupling member, the raised portions being configured to be higher than the lowest point of the upper surface of the coupling member, and extending along the longitudinal direction of the coupling member.

[0008] In the carport of the present invention, the first batten comprises a plurality of batten members each having a columnar portion with a hollow portion formed therein along its longitudinal direction and a pair of side walls provided along the longitudinal direction of the short edge of the upper surface of the columnar portion, and a joint member that fits into the hollow portions of the batten members to connect adjacent batten members, and at both ends of the short side of the upper surface of the joint member, raised portions are provided along the longitudinal direction of the joint member, each of which is configured to be higher than the lowest point of the upper surface of the joint member.As a result, even if water enters the batten members from the joint positions between the batten members, the water accumulates in the gaps on the recessed side of the joint members, and it is possible to prevent water from dripping directly below the carport from the joint positions of the batten members without the need for waterproofing treatment at the joint positions.

[0009] It is preferable that the crosspiece member further includes a side hollow portion in the side wall portion that is continuous with the hollow portion, and the rising portion is a joint wall portion that is fitted into the side hollow portion. With this configuration, the joint member and the crosspiece member are sufficiently fixed, and the joint member itself forms the wall surface of the gap by fitting the joint member into the side hollow portion, so that water can be further prevented from moving outward from the joint position of the crosspiece member and dripping directly below the carport.

[0010] The depth of the recess is preferably 20 to 50 mm. When the depth of the recess is 20 to 50 mm, fallen leaves can easily flow away without adhering to the recess, and the recess can function favorably as a drainage channel.

[0011] It is preferable that a side gap is provided between the inner wall surface constituting the side hollow portion of the side wall and the joint wall surface portion. Also, it is preferable that a recess is provided on the upper surface of the side wall. By providing such a side gap or recess, it is possible to prevent water from entering the joint due to capillary action. Effect of the Invention

[0012] According to the carport of the present invention, when the crosspieces are made up of multiple members, leakage of rainwater and the like from between adjacent members can be suppressed without applying waterproofing treatment to the joint positions. [Brief description of the drawings]

[0013] [Figure 1] FIG. 1 is a perspective view showing a carport according to a first embodiment of the present invention. [Diagram 2] 1 is a perspective view showing a state in which a solar cell module has been removed from a carport according to a first embodiment of the present invention. FIG. [Diagram 3] FIG. 2 is a schematic partial side view of the carport according to the first embodiment of the present invention. [Figure 4] FIG. 1 is a partial perspective view of a carport according to a first embodiment of the present invention. [Diagram 5] FIG. 2 is a schematic partial side view of the carport according to the first embodiment of the present invention. [Figure 6] FIG. 2 is a front view showing the rail member according to the first embodiment of the present invention. [Figure 7] FIG. 2 is a front view showing the joint member according to the first embodiment of the present invention. [Figure 8] FIG. 2 is a front view showing a state in which a joint member is inserted into a rail member according to the first embodiment of the present invention. [Figure 9] 5 is a schematic diagram for explaining where water passes in each region of the upper rail in the first embodiment of the present invention. FIG. [Figure 10] FIG. 11 is a front view showing a state in which a joint member is inserted into a rail member according to a second embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] Hereinafter, a carport according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, this embodiment is merely an example, and the present invention is not limited thereto.

[0015] In addition, the designations "first," "second," "third," and the like in this specification are used to distinguish a certain component from other components, and are not intended to limit the number, order, or priority of the components. For example, when there are descriptions of "first element" and "second element," it does not mean that only two elements, "first element" and "second element," are adopted, nor does it mean that the "first element" must precede the "second element." In addition, the same reference numbers are used for the same components in each embodiment, but when distinguishing between the same components based on the installation position of the components, the reference numbers are given the alphabet a, b, etc. to distinguish them from each other.

[0016] First embodiment A carport 1 of the first embodiment will be described with reference to Figures 1 to 5. In this embodiment, the carport 1 includes posts 11, lower rails 12 and upper rails (first rails) 13 as supporting members, and a roof member that functions as the roof of the carport 1 and is made up of a plurality of solar cell modules 14.

[0017] In this embodiment, the support columns 11 are installed in four rows along the first direction shown in FIG. 1 and three rows along the second direction perpendicular to the first direction, so that a total of twelve support columns 11 are installed vertically to the ground. Four lower rails 12 are fixed to the three support columns 11 installed in the second direction. That is, in the carport 1, as shown in FIG. 3, two lower rails 12a and 12b are fixed to the three support columns 11 via connectors 111a and 111b so as to be parallel to each other along the second direction. At this time, the connector 111a of the lower rail 12a is adjusted and installed so as to be higher than the connector 111b of the lower rail 12b by a desired height, so that the lower rail 12a is fixed at a higher position than the lower rail 12b.

[0018] Thirteen upper rails 13, which are parallel to each other and extend along the first direction, are fixed to the upper portions of the lower rails 12a and 12b by connecting members 121a and 121b (see FIG. 3) in a state in which they are suspended between the two lower rails 12a and 12b. The thirteen upper rails 13 are spaced apart from each other at predetermined intervals. Since the lower rails 12a and 12b extend along the second direction and the upper rails 13 extend along the first direction, the upper rails 13 and the lower rails 12 form a right angle when viewed from above.

[0019] Solar cell modules 14, each having a rectangular shape when viewed from above, are fixed onto the upper rails 13. In this embodiment, the solar cell modules 14 are arranged side by side along the first and second directions, so as to form five rows along the first direction and twelve rows along the second direction. Specifically, each long side of each solar cell module 14 is placed on an upper rail 13 and is installed between adjacent upper rails 13.

[0020] Each solar cell module 14 is provided with the upper rail 13 inclined in the first direction, so that the solar cell modules 14 are also provided so as to be continuously inclined in the first direction, as shown in FIG. 3. In FIG. 3, the same solar cell modules are designated as solar cell modules 14a, 14b, and 14c from the upper side of the incline. That is, in the carport 1, the solar cell modules are provided so that the left end of the solar cell module 14a in FIG. 3 is the highest, and the right end of the solar cell module 14c in FIG. 3 is the lowest. By providing the solar cell modules 14 in this manner, when it rains, the water flows along the inclination direction, that is, the rainwater flows on the surface of each solar cell module 14 from the solar cell module 14a on the upper side of the incline to the solar cell module 14c on the lower side of the incline.

[0021] In this embodiment, for the sake of explanation, the lower rails 12a, 12b are each a single rod-shaped member that is long in the second direction. However, the lower rails 12a, 12b may be formed by joining two or more short rod-shaped members, for example.

[0022] The upper rail 13 is installed on the lower rails 12a and 12b. At this time, the connector 111a of the lower rail 12a is adjusted and installed so that it is higher than the connector 111b of the lower rail 12b by a desired height, so that each upper rail 13 installed on the lower rails 12a and 12b is also inclined so that the lower rail 12a side is higher and the lower rail 12b side is relatively lower, and is fixed to the lower rails 12a and 12b. That is, the upper rail 13 is fixed so as to be inclined in the first direction. The inclination from the lower rail 12a side to the lower rail 12b side is the inclination direction in this embodiment, and the higher side is the inclination upper side and the lower side is the inclination lower side.

[0023] A small gap is provided between each solar cell module 14 to absorb the dimensional tolerance of the solar cell module 14 itself and to prevent the solar cell modules 14 from contacting each other due to shaking or vibration. The upper rail 13 faces through this gap. The upper rail 13 is composed of two rail members 20 in the first direction, and each rail member 20 is connected by fitting a joint member 30. That is, as shown in FIG. 5, the rail member 20a and the rail member 20b are connected by the joint member 30 to form the upper rail 13. The rail members 20 each have a recess 40 formed on the upper surface. The recess 40 functions as a continuous rain gutter in the upper rail 13 by connecting the upper rail 13 with the joint member 30. Rainwater passes through the recess 40 of each rail member 20 and is discharged from the lower end of the rail member 20 at the lowest position.

[0024] The configurations of the crosspiece member 20 and the joint member 30 constituting the upper crosspiece 13 will be described with reference to Figs. 6 to 8. The crosspiece member 20 constituting the upper crosspiece 13 includes a columnar portion 22 that is a hollow rectangular column with a hollow portion 21 formed therein along its longitudinal direction. A pair of side walls 23 are provided along the longitudinal direction at a short edge portion 222 of an upper surface 221 of the columnar portion 22. A plate-shaped portion 231 is provided on the upper portion of each of the side walls 23. The plate-shaped portion 231 is formed so that its upper surface is parallel to the bottom surface of the upper crosspiece 13, and the solar cell module 14 is placed on the plate-shaped portion 231. A recess 40 is defined by the pair of side walls 23 and the upper surface 221 of the columnar portion 22.

[0025] A side hollow portion 24 is also formed inside each side wall 23. The side hollow portions 24 and the hollow portion 21 are continuous to form one hollow region 25 inside the crosspiece member 20. The columnar portion 22 is provided with reinforcing portions 224 for reinforcing the corners on both sides in the short direction on the bottom surface 223 side. Therefore, the hollow portion 21 has a substantially hexagonal shape in cross section, and a hollow end hollow portion 225 is also formed between each reinforcing portion 224 and the columnar portion 22. Note that both ends of the crosspiece member 20 are open, so the hollow region 25 is also open at both ends of the crosspiece member 20.

[0026] The joint member 30 is configured so that adjacent crosspiece members 20 can be connected to each other by fitting into the hollow region 25. Therefore, the joint member 30 is configured to have a shape corresponding to the hollow region 25. That is, the joint member 30 includes a joint main body 31 having a substantially hexagonal shape in a front view and configured to be inserted into the hollow portion 21, and a pair of joint wall portions 32 provided on an upper surface 311 of the joint main body 31 and configured to be inserted into the side hollow portion 24. The pair of joint wall portions 32 are formed along the longitudinal direction of the joint member 30.

[0027] When the joint member 30 is inserted into adjacent crosspiece members 20 to join the crosspiece members 20, the joint member 30 is inserted into the hollow region 25 of one crosspiece member 20a, and in that state, the opposite end of the joint member 30 is inserted into the hollow region 25 of the other crosspiece member 20b, thereby fixing the adjacent crosspiece members 20 together. In this case, the recess 40 becomes locally discontinuous at the boundary between the crosspiece members 20a and 20b, and the joint member 30 is exposed at this boundary portion.

[0028] 8, the two can be fixed more firmly by a fixing member 33. When the joint member 30 is inserted into the crosspiece member 20, a gap 41 is formed between the crosspiece member 20 and the joint member 30, which is a clearance between the members. The gap 41 is U-shaped around the recess 40. The gap 41 between the crosspiece member 20 and the joint member 30 functions as a rain gutter, as will be described below.

[0029] 5 and 9, how rainwater flows from the upstream side to the downstream side of the upper rail 13 when it rains will be described. In FIG. 5, the inclination of the upper rail 13 is not shown for ease of understanding, but the upper side of the inclination is the left side in the figure, and the right side of the inclination is the right side in the figure. From the upstream side of the upper rail 13, the area where the joint member 30 of the rail member 20a is not inserted is referred to as area A, the area where the joint member 30 of the rail member 20a is inserted is referred to as area B, the area where the joint member 30 of the rail member 20b is inserted is referred to as area C, and the area where the joint member 30 of the rail member 20b is not inserted is referred to as area D. Each area corresponds to (A) to (D) in FIG. 9, respectively. Area A is located at the most upstream position, and area D is located at the most downstream position.

[0030] In regions A and B, as shown in Fig. 9, water W flows from the upstream side to the downstream side in the recess 40 regardless of whether or not the joint member 30 is present. When the water W moves from region B to region C, most of the water W flows directly through the recess 40, but some of the water W may leak downward and / or sideways from the joint (the discontinuous portion, the joint position) between the crosspiece members 20a and 20b. However, in this embodiment, the joint member 30 is present between the crosspiece members 20a and 20b, and the joint member 30 is configured to provide a gap 41 between the joint member 30 and the crosspiece member 20. Therefore, even if water leaks from the recess 40, the water W moves through this gap 41.

[0031] Of the water W that reaches region D from region C, the water W flowing through recess 40 in region D passes directly through recess 40. On the other hand, the water W flowing through gap 41 in region C falls directly into hollow portion 21 of crosspiece member 20 because there is no joint member 30 in region D, and flows within hollow portion 21, and is discharged to the outside at the most downstream side.

[0032] In the case of forming one upper rail 13 by connecting two rail members 20 as in the present embodiment, if the rail members 20 are connected to each other without providing the joint member 30 of the present invention, rainwater may leak downward from between the rail members 20a and 20b. However, in the present embodiment, the rail members 20a and 20b are connected by the joint member 30, and the joint member 30 forms a gap 41 that functions as a rain gutter through which water can pass under the recess 40, so that water leakage from the upper rail 13 in the carport 1 can be suppressed without waterproofing the joint position. Even if water leakage occurs between the rail members 20a and 20b due to hydrostatic pressure, when the water level in the gap 41 becomes equal to the water level in the recess 40, the water pressure difference disappears and it is possible to stop water leakage from the recess 40.

[0033] In addition, since the joint wall portion 32 is also inserted into the side hollow portion 24 formed in the side wall 23, the joint wall portion 32 acts as a wall to prevent the water W in the gap 41 from leaking outward. Therefore, water leakage is effectively suppressed.

[0034] The depth of the recess 40 is preferably 20 to 50 mm. When the depth is within this range, fallen leaves can easily flow away without adhering to the recess 40, and the recess 40 can preferably function as a drain. More preferably, the depth of the recess 40 is 30 to 50 mm, and in this embodiment, it is 34 mm.

[0035] Second Embodiment A second embodiment of the present invention is shown in Fig. 10. In the second embodiment, the same components as in the first embodiment are denoted by the same reference numerals.

[0036] The second embodiment differs from the first embodiment in that a side gap 52 larger than the play is provided between an inner wall surface 51 on the recess 40 side of the inner wall surface of the side hollow portion 24 of the side wall 23 and the joint wall surface portion 32, and that a depression 53 is provided in each of the plate-shaped portions 231 at the upper part of the pair of side walls 23. By providing the side gap 52 larger than the play and large enough not to cause capillary action, water (not shown in FIG. 10) can be retained and water can be prevented from leaking out from above to the side from between the upper end of the joint wall surface portion 32 and an inner wall surface 54 corresponding to the upper surface of the inner wall surface of the side wall 23 due to capillary action. If the depression 53 is not provided in the upper surface 231 of the side wall 23, the upper surface 231 and the lower surface of the outer frame of the solar cell module 14 are in close contact with each other, but in reality, a small gap exists due to unevenness of the contact surface. For this reason, this gap may cause a capillary phenomenon, and water that should flow into recess 40 may pass through the small gap due to the capillary phenomenon and be discharged to the outside from upper surface 231. In this embodiment, by providing depression 53 on upper surface 231 of side wall 23, this capillary phenomenon can be cut off, and water that is discharged to the outside from upper surface 231 can also be suppressed.

[0037] Moreover, the crosspiece member 20 is configured so that a side gap 52 is formed across the fitting region between the crosspiece member 20 and the joint member 30. In order to form the side gap 52, in this embodiment, the side wall 23 of the crosspiece member 20 is thicker than in the first embodiment, and as a result, the side wall 23 protrudes towards the recess 40.

[0038] The recesses 53 may be provided over the entire longitudinal direction of the plate-shaped portion 231, or may be provided only around the joint. Furthermore, the multiple recesses 53 may be provided spaced apart from each other in the longitudinal direction of the joint part 30, or may be provided spaced apart from each other in the lateral direction of the joint part 30.

[0039] Specifically, the distance between the inner wall surface 51 on the recess 40 side and the joint wall surface portion 32, i.e., the width of the side gap 52, is, for example, 2 to 10 mm, preferably 3 to 5 mm, and is 3 mm in this embodiment. If the width is greater than 10 mm, the volume that can hold water is increased, and there is an advantage that the occurrence of capillary action can be suppressed, but the width of the crosspiece member 20 becomes too large, which may lead to an increase in the price of the crosspiece member 20. On the other hand, if the width is narrower than 2 mm, there is a risk that the effect of suppressing the capillary action will be reduced. Furthermore, the width of the recess 53 is, for example, 2 mm to 10 mm in terms of structure, and is 3 mm in this embodiment. The depth of the recess 53 is, for example, 2 mm to 10 mm in terms of structure, and is 3 mm in this embodiment. In this embodiment, the recess 53 is substantially rectangular in cross section, but is not limited thereto, and may be, for example, arc-shaped.

[0040] The carport 1 according to the present invention has been described above, but the carport 1 according to the present invention is not limited to the above-mentioned embodiments. In each of the above-mentioned embodiments, the joint member 30 is configured to have the joint wall portion 32, but it is sufficient that a pair of rising portions configured to be higher than the lowest position of the upper surface 311 is formed at both ends of the upper surface 311 of the joint member 30 in the short direction. For example, a joint member without the joint wall portion 32 may have a curved shape as a whole, in a cross-sectional view in the longitudinal direction, with the center of the upper surface 311 of the joint member being low and both ends being high. In addition, for example, the shape of the hollow portion 21 is not limited, and it may be configured to be wider without providing the reinforcing portion 224. In addition, a groove portion that is concave with respect to the upper surface may be provided on the upper surface of the joint member 30 to enlarge the gap 41 having a larger volume. Furthermore, the shape of the side hollow portion 24 is not limited. [Explanation of symbols]

[0041] 1 Carport 11 Posts 12 Lower rail 13 Upper pier (first pier) 14 Solar cell module 20 Crosspieces 21 Hollow part 22 Columnar part 23 Side wall 24 Side hollow section 25 Hollow area 30 Joint members 31 Joint body 32 Joint wall part 33 Fixing member 40 Recess 41 Gap 51 Inner wall surface 52 Side gap 53 Depression 54 Inner wall surface W water

Claims

1. A roof member having a plurality of solar cell modules arranged in a first direction and a second direction intersecting the first direction; a first rail provided along the first direction and inclined in the first direction; the first rail includes a plurality of rail members each having a columnar portion with a hollow portion formed therein along its longitudinal direction, and a pair of side walls provided along the longitudinal direction of an edge portion in a short direction of an upper surface of the columnar portion; and a joint member that fits into the hollow portion of the rail member to connect adjacent rail members, a recess is formed by the top surface of the columnar portion and the pair of side walls, A carport characterized in that a raised portion configured to be higher than the lowest point of the upper surface of the joint member is provided along the longitudinal direction of the joint member at both ends of the upper surface of the joint member in the short direction.

2. The crosspiece member further includes a side hollow portion in the side wall portion, the side hollow portion being continuous with the hollow portion, 2. The carport according to claim 1, wherein the raised portion is a joint wall portion that is fitted into the side hollow portion.

3. 2. A carport as described in claim 1, characterized in that the depth of the recess is 20 to 50 mm.

4. 3. A carport as described in claim 2, characterized in that a side gap is provided between an inner wall surface constituting the side hollow portion of the side wall and the joint wall surface portion.

5. A carport as described in any one of claims 1 to 4, characterized in that a recess is provided on the upper surface of the side wall.

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