Concrete base for electric / electronic apparatus storage box

The concrete base with integrated wiring paths beneath the surface addresses cable-related tripping hazards and work complications by routing cables beneath the surface, ensuring safety and ease of management.

JP2025093419APending Publication Date: 2025-06-24NITTO KOGYO KK +2
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Patent Information

Application Number
JP2023209039
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-12-12
Publication Date
2025-06-24

AI Technical Summary

Technical Problem

Cables laid on the foundation block create obstacles for workers, increasing the risk of tripping and complicating work, especially when connecting to outlet pole bodies.

Method used

A concrete base for electrical and electronic equipment storage boxes with integrated wiring paths that allow cables to be routed beneath the surface, using multiple base portions with U-shaped cross-sections and angled inlets to manage cable connections.

Benefits of technology

Enables cable connection without laying on the concrete base, preventing tripping and maintaining aesthetic appearance while facilitating easy direction changes and management.

✦ Generated by Eureka AI based on patent content.

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Abstract

To connect a cable to an electric / electronic apparatus storage box, which is fixed to a concrete base, even without laying the cable on the concrete base.SOLUTION: A concrete base 1 for electric / electronic apparatus storage boxes comprising base parts configured using concrete comprises a first base part 11 and a second base part 12. The first base part includes a fixture portion, which is used for fixing an electric / electronic apparatus storage box, on a top face and a first wiring path portion 111 formed from the top face to a bottom face of the first base part. In the second base part installed on an installation surface, a second wiring path portion 121 which is communicable with the wiring path portion of the base part in contact with the top face is configured in such a manner that a cable can be wired lower than the top face. The cable can be introduced from a lateral side of the second base part and fed to the wiring path portion of the base part in contact with a support surface.SELECTED DRAWING: Figure 3
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Description

Technical Field

[0001] The present invention relates to a concrete base for a box for housing electrical and electronic equipment.

Background Art

[0002] A structure in which a charging facility is installed on a foundation block placed on the ground is known. In the structure disclosed in Patent Document 1, a cable is wired inside the outlet pole body through an opening provided in the outlet pole body. In the example disclosed in Patent Document 1, the wiring up to the opening of the outlet pole body lies on the upper surface of the foundation block.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

[0004] By the way, although workers sometimes work on the foundation block, the cable lying on the foundation block may make the work difficult. In addition, a worker may trip over the cable lying on the foundation block. In particular, when wiring the cable lying on the upper surface of the foundation block in an obliquely upward direction, such as connecting to the opening of the outlet pole body disclosed in Patent Document 1, a gap may be formed between the foundation block and the cable where a foot can enter. With such a gap, the possibility of a worker tripping increases.

Summary of the Invention

Problems to be Solved by the Invention

[0005] The inventor of the present case has tried to solve this problem by earnestly studying this point. The problem to be solved by the present invention is to enable the cable to be connected to the box for housing electrical and electronic equipment fixed to the concrete base without laying the cable on the concrete base.

Means for Solving the Problem

[0006] A concrete base for an electric and electronic equipment storage box having a base portion made of concrete for solving the above problems, comprising a first base portion which is the base portion located at the uppermost part of the concrete base, and a second base portion which is a base portion capable of supporting at least the first base portion. The first base portion is provided with a fixing portion used for fixing the electric and electronic equipment storage box on the upper surface, and a first wiring path portion which can be a wiring path portion for wiring a cable connecting the electric and electronic equipment storage box and an external device. And the first wiring path portion is formed from the upper surface to the lower surface of the first base portion. The second base portion installed on the installation surface can have an upper surface as a support surface for supporting other base portions, and is provided with a second wiring path portion capable of communicating with the wiring path portion of the base portion in contact with the support surface. The second wiring path portion is configured to be able to wire the cable below the support surface, and is a concrete base for an electric and electronic equipment storage box that enables the cable to be introduced from the side of the second base portion and sent to the wiring path portion of the base portion in contact with the support surface.

[0007] Also, it is preferable that at least one base portion is configured using a plurality of part members arranged in the horizontal direction.

[0008] Also, it is preferable that the second base portion has a configuration in which a horizontal cross section cut to include the second wiring path portion is substantially U-shaped.

[0009] Also, the second base portion is provided with a plurality of inlets capable of introducing the cable from the side of the second base portion, and at least one set of inlets is configured such that in a plan view, each inlet is located at a position shifted by an angle of 45 degrees or more and 315 degrees or less when viewed from a position directly below the wiring path portion of the base portion in contact with the support surface.

[0010] Further, a third base portion is provided between the first base portion and the second base portion. The third base portion includes a third wiring path portion that can be a wiring path portion through which a cable connecting an electric and electronic equipment storage box and an external device can be wired. Further, since the third wiring path portion has a portion formed from the upper surface to the lower surface of the third base portion, it can communicate with the wiring path portion of the base portion in contact with the upper surface of the third base portion and can communicate with the wiring path portion of the base portion in contact with the lower surface of the third base portion. The third wiring path portion is preferably configured to be able to introduce a cable different from the cable introduced into the second base portion below the first base portion and above the second base portion.

Advantages of the Invention

[0011] In the present invention, it becomes possible to connect a cable to an electric and electronic equipment storage box fixed to a concrete base without laying the cable on the concrete base.

Brief Description of the Drawings

[0012]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Mode for Carrying Out the Invention

[0013] The following shows a mode for carrying out the invention. As can be understood from FIGS. 1 to 4, the concrete base 1 for the electric and electronic equipment storage box 91 of the present embodiment includes a base part configured using concrete. This concrete base 1 includes a first base part 11 which is the base part located at the uppermost position of the concrete base 1, and a second base part 12 which is a base part capable of supporting at least the first base part 11. The first base part 11 includes a fixing part used for fixing the electric and electronic equipment storage box 91 on the upper surface, and a first wiring path part 111 which can be a wiring path part through which a cable 99 connecting the electric and electronic equipment storage box 91 and an external device can be wired. And the first wiring path part 111 is formed from the upper surface to the lower surface of the first base part 11. Also, the second base part 12 installed on the installation surface can have an upper surface as a support surface for supporting other base parts, and includes a second wiring path part 121 which can communicate with the wiring path part of the base part in contact with the support surface. The second wiring path part 121 is configured such that the cable 99 can be wired below the support surface, and it is possible to introduce the cable 99 from the side of the second base part 12 and send it to the wiring path part of the base part in contact with the support surface.

[0014] Therefore, even without laying the cable 99 on the concrete base 1, the cable 99 can be connected to the box 91 for housing electrical and electronic equipment fixed to the concrete base 1. Note that the cable 99 routed along the installation surface can be drawn into the box 91 for housing electrical and electronic equipment without being laid on the concrete base 1, which can prevent tripping on the concrete base 1. Also, if the cable 99 is not laid on the concrete base 1, it is possible to prevent damage to the aesthetic appearance. Since a location where the cable 99 can be drawn in is provided in a base portion different from the base portion to which the box 91 for housing electrical and electronic equipment is fixed, even if there is a request to change the drawing direction of the cable 99 at the installation site of the box 91 for housing electrical and electronic equipment, it can be easily handled.

[0015] Here, the box 91 for housing electrical and electronic equipment is, for example, a housing 92 that houses electrical and electronic equipment connected to an external device via the cable 99, such as a charging device for an electric vehicle, a distribution board, a switchboard, a control panel, high-voltage power reception equipment, a system rack, a delivery box, etc., and is fixed to the concrete base 1. The electrical and electronic equipment is not limited to power distribution equipment such as a circuit breaker, a terminal block, a switch, a circuit breaker, a transformer, a converter, a capacitor, an inverter, a converter, etc., but may also be driven by a power supply supplied from an external device via the cable 99, such as a sensor device, a communication device, an electric lock, etc., or may supply power to an external device via the cable 99, such as a storage battery.

[0016] Also, the box 91 for housing electrical and electronic equipment may be provided with a mounting member fixed to the concrete base 1, such as a support column, a pole, a mounting stand, etc. That is, in the present invention, the box 91 for housing electrical and electronic equipment may be directly fixed to the concrete base 1, or the housing 92 of the box 91 for housing electrical and electronic equipment may be fixed to the concrete base 1 via a mounting member 93 such as a pedestal.

[0017] The external device connected to the box 91 for housing electrical and electronic equipment via the cable 99 allows for the transfer of electricity, signals, etc. between itself and the box 91 for housing electrical and electronic equipment fixed to the concrete base 1. For example, it may be a power supply device that supplies power to the box 91 for housing electrical and electronic equipment (more specifically, examples include a storage battery, a power outlet, a distribution board connected to a commercial power supply, a switchboard, etc.). Alternatively, it may be a load device that is supplied with power from the box 91 for housing electrical and electronic equipment. Furthermore, it may be another box 91 for housing electrical and electronic equipment connected to the box 91 for housing electrical and electronic equipment by a communication cable or the like.

[0018] The concrete base 1 is mainly composed of a concrete material. Therefore, its weight can be utilized for preventing the box 91 for housing electrical and electronic equipment from tipping over. The concrete base 1 preferably has a configuration in which fastening members such as nuts and bolts are embedded. By embedding the fastening members, the ease of operations such as fixing and releasing the box 91 for housing electrical and electronic equipment and connecting the concrete bases 1 to each other can be enhanced. The concrete base 1 may be simply placed on the installation surface, or may be fixed to the installation surface using an anchor or the like.

[0019] The concrete base 1 includes a plurality of base portions configured using concrete. The base portions are stacked in the vertical direction, and the total weight of the concrete base 1 contributes to suppressing the movement of the box 91 for housing electrical and electronic equipment. The number of base portions may be two or more, but the simplest structure is when there are two base portions. Therefore, hereinafter, the case where there are two base portions will be mainly described.

[0020] Among the base portions to be stacked on the concrete base 1, the uppermost first base portion 11 will be supported by the second base portion 12 placed on an installation surface such as the ground or the floor. The first base portion 11 is provided with a fixing portion on the upper surface where a box 91 for housing electrical and electronic equipment can be fixed. In the example shown in FIGS. 1 to 3, the fastening member (not shown) located inside the hole portion 112 provided in the first base portion 11 is the fixing portion. Further, the first base portion 11 is provided with a first wiring path portion 111 formed from the upper surface to the lower surface for passing a cable 99 interposed between the attached electrical and electronic equipment housing box 91 and an external device. The first wiring path portion 111 is preferably provided so as to overlap with the position at the center of the first base portion 11 in plan view, but it may be provided at other positions. Also, not only one first wiring path portion 111 but a plurality of them may be provided.

[0021] Also, in the example shown in FIGS. 1 to 3, a plurality of recessed portions 81 that can be used to lift the first base portion 11 are provided on the side surface of the first base portion 11. Therefore, the convenience of transporting the first base can be enhanced. Also, the operation of overlapping the first base portion 11 with other base portions can be performed smoothly. Note that the recessed portions 81 are preferably provided not only on the first base portion 11 but also on other base portions. The recessed portions 81 may be provided on all side surfaces of the base portion, or may be provided on some side surfaces. Note that one recessed portion 81 may be provided for each side surface on which the recessed portion 81 is provided, or a plurality of them may be provided.

[0022] The first base portion 11 in the example shown in FIG. 3 is provided with a connecting portion used for connecting to the second base portion 12. In the example shown in FIG. 3, the hole portion 113 for inserting the fastened member used for fastening to the fastening member embedded in the second base portion 12 corresponds to this.

[0023] The second base portion 12 is located below the first base portion 11, and it is possible to secure a second wiring path portion 121 that enables, for example, pulling the cable 99 from below the first base portion 11 into the first wiring path portion 111 of the first base portion 11.

[0024] In the example shown in FIG. 3, the second wiring path portion 121 in the second base portion 12 is provided with an introduction port 121a through which the cable 99 can be introduced from the side of the second base portion 12 to the inside thereof. Further, it includes a connection portion 121b located directly below the first wiring path portion 111 of the first base portion 11 so as to face the upper surface of the second base portion 12, and an intermediate path portion 121c extending so as to connect the connection portion 121b and the introduction port 121a. With such a configuration, in the concrete base 1 in which the first base portion 11 and the second base portion 12 are laminated, the first wiring path portion 111 and the second wiring path portion 121 form a substantially L-shaped space.

[0025] In the example shown in FIG. 3, the second wiring path portion 121 is configured to be cut out from the side surface of the second base portion 12, and the introduction port 121a, the connection portion 121b, and the intermediate path portion 121c are all configured to have a height extending from the upper surface to the lower surface of the second base portion 12. However, such a configuration is not necessary. For example, the upper side of the connection portion 121b needs to be open, but the lower side does not necessarily need to be open. For the introduction port 121a and the intermediate path portion 121c, neither the upper side nor the lower side needs to be open.

[0026] For example, for the introduction port 121a and the intermediate path portion 121c, it is possible to configure such that the upper end is located below the upper surface of the second base portion 12 and the lower end reaches the lower surface of the second base portion 12. That is, by providing a groove in the lower portion of the second base portion 12, the introduction port 121a and the intermediate path portion 121c may be provided. Of course, for the introduction port 121a and the intermediate path portion 121c, it is also possible to configure such that neither the upper end nor the lower end reaches the upper surface or the lower surface of the second base portion 12. That is, it is also possible to configure such that a tunnel-shaped hole is dug from the side surface of the second base portion 12 toward the connection portion 121b.

[0027] To simplify the structure, as shown in FIG. 3 etc., it is preferable to adopt a configuration in which a second base portion 12 that is substantially rectangular in plan view is provided with a second wiring path portion 121 that linearly extends from an inlet 121a to a connection portion 121b in plan view. Further, it is preferable that the second base portion 12 has a configuration in which a horizontal cross-section cut to include the second wiring path portion 121 is substantially U-shaped.

[0028] A plurality of inlets 121a may be provided in the second base portion 12. In this case, it becomes possible to vary the inlets 121a used depending on the type of the cable 99. For example, a plurality of intermediate path portions 121c are provided for one connection portion 121b. The direction from the inlet 121a toward the connection portion 121b may be the same as or different from the direction from other inlets 121a toward the connection portion 121b. For example, if the intermediate path portions 121c are arranged vertically, the direction from the inlets 121a toward the connection portion 121b can be made the same even for different inlets 121a. Also, in a case where the connection portion 121b is provided larger, there may be a case where the direction from different inlets 121a toward the connection portion 121b can be made the same even if the intermediate path portions 121c are arranged horizontally.

[0029] Further, other inlets 121a may be provided on a side surface different from the side surface of the second base portion 12 having a certain inlet 121a. For example, inlets 121a are provided on respective side surfaces located at both ends, or inlets 121a are provided on adjacent side surfaces. In the case where inlets 121a are provided on respective side surfaces located at both ends, for example, it can be exemplified that each inlet 121a is provided on an end side of an intermediate path portion 121c that extends in a direction opposite to that seen from the connection portion 121b. In a typical example, it is a configuration in which the intermediate path portions 121c that extend in a direction opposite to that seen from the connection portion 121b are located in the same straight line. Also, in the case where inlets 121a are provided on adjacent side surfaces, it can be exemplified that the respective intermediate path portions 121c extend in a direction shifted by 90 degrees as seen from the connection portion 121b.

[0030] When the second base portion 12 has a plurality of inlets 121a that allow the cable 99 to be introduced from the side of the second base portion 12, it is preferable that at least one set of inlets 121a is positioned at an angle of 45 degrees or more and 315 degrees or less from a position directly below a wiring path portion (for example, the first wiring path portion 111) of the base portion that contacts the support surface in a plan view. It is more preferable that each of the inlets 121a is positioned at an angle of 90 degrees or more and 270 degrees or less.

[0031] A load is applied to the second base portion 12 from the first base portion 11 to which the electrical and electronic equipment storage box 91 is fixed, and in order to suppress movement of the electrical and electronic equipment storage box 91, it is preferable that the first base portion 11 and the second base portion 12 are fixed. This can be achieved by providing a connecting portion on the second base portion 12 for connecting with the first base portion 11. For example, a fastening member embedded in a hole 113 provided in the first base portion 11 for fastening with a fastened member inserted therethrough is exemplified as the connecting portion. In the example shown in FIG. 3, the fastened member is embedded so as to be located inside the hole 122.

[0032] Also, the second base portion 12 may be fixed to the installation surface. For example, in preparation for anchoring the concrete base 1 to the ground, a hole 123 that can be used for anchoring may be provided in the second base portion 12 as an anchor fixing portion. Note that, when the concrete base 1 is simply placed on the ground, the anchor fixing portion is not necessary, but as long as the anchor fixing portion is provided, it can be used in either case.

[0033] Incidentally, since the concrete base 1 has a configuration in which the base portions are stacked in the vertical direction, it is possible to change the orientation of the first base portion 11 and the second base portion 12. As can be understood from FIG. 4, with the orientation of the first base portion 11 fixed, the second base portion 12 can be rotated about the vertical axis. Also, with the orientation of the second base portion 12 fixed, the first base portion 11 can also be rotated about the vertical axis. Since such is possible, it becomes possible to change the direction of the inlet 121a with respect to the box 91 for housing electrical and electronic equipment fixed to the first base portion 11.

[0034] When providing a connecting portion used for connecting the first base portion 11 and the second base portion 12, assuming such rotation of the base portion, it is preferable to configure a plurality of connecting portions on a circle centered on the portion that becomes the rotation center of the base portion in plan view. At this time, the connecting portion may be provided at a position shifted from the portion that becomes the rotation center of the base portion by the angle by which the base portion rotates. In the examples shown in FIGS. 3 and 4, from the state where the base portions can be connected to each other, even when rotated 90 degrees, 180 degrees, or 270 degrees, the base portions can be connected to each other. Therefore, other connecting portions are provided at positions rotated 90 degrees, 180 degrees, or 270 degrees from the portion that becomes the rotation center of the base portion as viewed from a certain connecting portion. Therefore, it becomes possible to direct the inlet 121a in directions rotated 90 degrees, 180 degrees, or 270 degrees from a certain position.

[0035] Note that, regardless of which connecting portion is used for connection, it is aesthetically preferable to adopt a configuration in which the side surface of the first base portion 11 is positioned directly above the side surface of the second base portion 12. However, it is possible to ensure the function even without such a configuration.

[0036] The base portion may be configured using a plurality of component members. By doing so, while ensuring the total weight as the base portion, carrying and installation work can be performed for each lighter component member. In the example shown in FIG. 5, both the first base portion 11 and the second base portion 12 are configured to be composed of two component members arranged horizontally. However, it is not necessary for all base portions to be configured using a plurality of component members. For example, the first base portion 11 is a single piece, but the second base portion 12 may be configured by arranging a plurality of component members 125 horizontally. Conversely, the second base portion 12 is a single piece, but the first base portion 11 may be configured by arranging a plurality of component members 115 horizontally. In any case, it is preferable that at least one base portion be configured using a plurality of component members arranged horizontally.

[0037] When both adjacent base portions are configured by arranging a plurality of component members horizontally, in order to also suppress the occurrence of inclination or displacement of the component members located on the upper side, it is preferable to make the arrangement direction of the component members of one base portion different from the arrangement direction of the component members of another base portion adjacent to that base portion. For example, when the arrangement direction of the component members of a certain base portion is the left - right direction, the arrangement direction of the component members of another base portion adjacent to that base portion is made the front - back direction.

[0038] By the way, in the second base portion 12 of the examples shown in FIGS. 5 and 6, the inlet 121a, the communication portion 121b, and the intermediate path portion 121c are all configured to have a height extending from the upper surface to the lower surface of the second base portion 12. Also, the component members 125 are arranged in a direction orthogonal to the direction in which the intermediate path portion 121c extends. On the other hand, regarding the first base portion 11, the component members 115 are arranged in the direction in which the intermediate path portion 121c of the second base portion 12 extends. For this reason, all component members can be in a state of being in contact with other component members.

[0039] In the examples shown in FIGS. 7 and 8, the component members 125 that make up the second base portion 12 are not in contact with each other. If the arrangement direction of the component members of one base portion is made different from the arrangement direction of the component members of another base portion adjacent to that base portion, even in such an arrangement, the rigidity of the concrete base 1 can be ensured relatively easily. In the case of such an example, the portion including the component members arranged at intervals and the space therebetween serves as the base portion.

[0040] Of course, different from the above-described example, the inlet 121a and the intermediate path portion 121c may all be configured to be located below the upper surface of the second base portion 12 (see FIGS. 9 to 11). In this case, the contactable portion with the base portion adjacent to the second base portion 12 (the first base portion 11 in the example shown in FIG. 9) increases. Therefore, the stabilization of the component members constituting the base portion adjacent to the second base portion 12 can be expected. In the examples shown in FIGS. 9 and 11, while ensuring that the component members exercising the second base portion 12 are in contact with each other, the cable 99 can be drawn in from different side surfaces.

[0041] Next, an example in which the concrete base 1 is configured by stacking three base portions will be described. In addition to the first base portion 11 and the second base portion 12, it is necessary to prevent the third base portion 13 located therebetween from shifting. However, in the example shown in FIG. 12, the third base portion 13 is provided with a hole portion 133 similar to the hole portion 113 provided as a connecting portion in the first base portion 11, and the fastened member used for fastening to the fastening member embedded in the second base portion 12 can be inserted through both the hole portion 113 provided in the first base portion 11 and the hole portion 133 provided in the third base portion 13. The connecting portion is not limited to such a mode, and a connecting portion for connecting to the first base portion 11 and a connecting portion for connecting to the second base portion 12 may be separately provided in the third base portion 13. In addition, a plurality of recesses 81 that can be used to lift the third base portion 13 are provided on the side surface of the third base portion 13 in the example shown in FIG. 12.

[0042] Incidentally, the third base portion 13 shown in FIG. 12 enables securing a third wiring path portion 131 that enables, for example, drawing the cable 99 from below the first base portion 11 into the first wiring path portion 111 of the first base portion 11.

[0043] The third wiring path portion 131 in the example shown in FIG. 12 includes an inlet 131a through which the cable 99 can be introduced from the side of the third base portion 13 into the inside of the third base portion 13. Further, it includes a connection portion 131b located directly below the first wiring path portion 111 of the first base portion 11 so as to face the upper surface of the third base portion 13, and an intermediate path portion 131c extending so as to connect the connection portion 131b and the inlet 131a. Further, the second base portion 12 is located below the third base portion 13, and the third base portion 13 is sandwiched between the first base portion 11 and the second base portion 12. Note that the first wiring path portion 111 of the first base portion 11, the connection portion 121b of the second base portion 12, and the connection portion 131b of the third base portion 13 form a vertically extending path, and connect to the intermediate path portion 131c of the third wiring path portion 131 at an intermediate position in the vertical direction of the path, and connect to the intermediate path portion 121c of the second wiring path portion 121 below that.

[0044] By forming the concrete base 1 by stacking the base portions in three layers, the directions of the inlet 121a provided in the second base portion 12 and the inlet 131a provided in the third base portion 13 can be made different. Therefore, if the types of the cables 99 wired to the inlet 121a and the inlet 131a are made different, the wiring can be organized, and it is possible to suppress the management from becoming complicated.

[0045] As can be understood from these descriptions, it is preferable that the concrete base 1 includes a third base portion 13 between the first base portion 11 and the second base portion 12. Further, the third base portion 13 includes a third wiring path portion 131 that can be a wiring path portion through which a cable 99 connecting the box 91 for housing an electric and electronic device and an external device can be wired, and the third wiring path portion 131 has a portion formed from the upper surface to the lower surface of the third base portion 13, so that it can communicate with the wiring path portion of the base portion in contact with the upper surface of the third base portion 13 and can communicate with the wiring path portion of the base portion in contact with the lower surface of the third base portion 13. Further, it is preferable that the third wiring path portion 131 is configured to be able to introduce a cable 99 different from the cable 99 introduced into the second base portion 12 below the first base portion 11 and above the second base portion 12.

[0046] Furthermore, the concrete base 1 may be formed by stacking four or more base portions. In this case, the structure of the base portion interposed between the first base portion 11 and the second base portion 12 may generally be the above-described structure. However, it is preferable that the base portions interposed between the first base portion 11 and the second base portion 12 have a configuration having a connecting portion where they are connected.

[0047] As described above, the present invention has been described by taking the embodiments as examples, but the present invention is not limited to the above embodiments and can be implemented in various modes. For example, the third base portion may be configured not to have an inlet on the side surface side.

Explanation of reference numerals

[0048] 1 Concrete base 11 First base portion 111 First wiring path portion 115 Parts member 12 Second base portion 121 Second wiring path portion 121a Inlet 125 Parts member 13 Third base portion 91 Box for housing electric and electronic devices 99 cables

Claims

1. A concrete base for a box for housing electrical and electronic equipment, comprising a base portion made of concrete, comprising a first base portion which is the base portion located at the uppermost part of the concrete base, and a second base portion which is a base portion capable of supporting at least the first base portion, the first base portion is provided with a fixing portion used for fixing the box for housing electrical and electronic equipment on the upper surface, and a first wiring path portion which can be a wiring path portion through which a cable connecting the box for housing electrical and electronic equipment and an external device can be wired, and the first wiring path portion is formed from the upper surface to the lower surface of the first base portion, the second base portion installed on the installation surface can have an upper surface as a support surface for supporting other base portions, and is provided with a second wiring path portion capable of communicating with the wiring path portion of the base portion in contact with the support surface, the second wiring path portion is configured such that the cable can be wired below the support surface, and it is possible to introduce the cable from the side of the second base portion and send it to the wiring path portion of the base portion in contact with the support surface A concrete base for a box for housing electrical and electronic equipment.

2. At least one base portion is composed of a plurality of part members arranged horizontally. The concrete base for a box for housing electrical and electronic equipment according to Claim 1.

3. The second base portion has a portion where a horizontal cross-section cut to include the second wiring path portion is substantially U-shaped. The concrete base for a box for housing electrical and electronic equipment according to Claim 1.

4. The second base portion is provided with a plurality of inlets through which the cable can be introduced from the side of the second base portion, at least one set of inlets in a plan view, each inlet is located at a position shifted by an angle of 45 degrees or more and 315 degrees or less when viewed from a position directly below the wiring path portion of the base portion in contact with the support surface. The concrete base for a box for housing electrical and electronic equipment according to Claim 1.

5. A third base portion is provided between the first base portion and the second base portion, the third base portion is provided with a third wiring path portion which can be a wiring path portion through which a cable connecting the box for housing electrical and electronic equipment and an external device can be wired, and the third wiring path portion has a portion formed from the upper surface to the lower surface of the third base portion, so that it can communicate with the wiring path portion of the base portion in contact with the upper surface of the third base portion and can communicate with the wiring path portion of the base portion in contact with the lower surface of the third base portion, The third wiring path section can introduce a cable different from the cable introduced into the second base section, below the first base section and above the second base section. The concrete base for an electric and electronic equipment storage box according to claim 1.

Citation Information

Patent Citations

  • Installation structure of charging facility

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