Control panel

Abstract

To provide a control panel which can be efficiently installed.SOLUTION: The control panel has a housing including a housing body and first and second opening members. The housing body houses a device therein. The housing body includes a bottom portion provided with an insertion port through which an external line connected to the device is inserted from below. The first and second opening members are detachable from the housing main body. The first opening member is positioned on the front side of the housing when attached to the housing main body. By removing the first opening member from the housing main body, the external wire passing through the insertion port in the bottom portion can be drawn out forward. The second opening member is located on the rear side of the housing when attached to the housing main body. By removing the second opening member from the housing main body, the external wire passing through the insertion port in the bottom portion can be drawn out rearward. A reinforcing member for reinforcing the strength of the housing, which is reduced by removing the first opening member, is attached to the housing body.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] FIELD OF THE INVENTION An embodiment of the present invention relates to a control panel. [Background technology]

[0002] In the renewal engineering work to update some or all of the devices, equipment, and various facilities within a plant with new ones, construction work may be carried out to replace the existing control panels with new control panels.

[0003] Control panels for plants often have a complex configuration. For example, the wiring connected to devices, sensors, or power supplies installed in the plant is pulled into the control panel housing as external lines and connected to controllers and various IO devices inside the housing. The devices in the plant are connected to and controlled by the devices in the control panel via external lines.

[0004] External wiring within a plant is pulled into the control panel housing installed on the floor via a channel base and a pit. In control panel renewal engineering work, the replacement work is carried out with controllers and other devices installed inside both the old and new control panel housings. For example, the existing external wiring is temporarily stored in a pit under the floor, and the housing of the existing control panel is removed. After that, the housing of the new control panel is installed, and the external wiring that was temporarily stored inside the pit is pulled out again, and wiring work is carried out to the devices inside the housing of the new control panel.

[0005] The task of temporarily storing external lines in a pit and then pulling them out again can sometimes reduce the efficiency of control panel installation work. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Japanese Patent Application Publication No. 2019-47557 Summary of the Invention [Problem to be solved by the invention]

[0007] The present invention has been made to solve the above-mentioned problems, and has an object to provide a control panel that allows installation work to be performed efficiently. [Means for solving the problem]

[0008] A control panel according to an embodiment has a housing including a housing main body, a first opening member, and a second opening member. The housing main body houses a device inside. The housing main body includes a bottom portion provided with a first insertion opening through which an external line connected to the device is inserted from below. The first opening member and the second opening member are detachable from the housing main body. The first opening member is located at the front side of the housing when attached to the housing main body, and allows the external line passing through the first insertion opening to be pulled forward at the bottom portion when removed from the housing main body. The second opening member is located at the rear side of the housing when attached to the housing main body, and allows the external line passing through the first insertion opening to be pulled rearward at the bottom portion when removed from the housing main body. A reinforcing member is attached to the housing main body to reinforce the strength of the housing, which is reduced when the first opening member is removed. [Effects of the Invention]

[0009] According to the embodiment, a control panel is provided that allows efficient installation work. [Brief explanation of the drawings]

[0010] [Figure 1] FIG. 1 is a schematic perspective view illustrating a control panel according to an embodiment. [Figure 2] FIG. 2 is a schematic plan view illustrating the control panel according to the embodiment. [Figure 3] FIG. 3 is a schematic cross-sectional view illustrating the control panel according to the embodiment. [Figure 4] FIG. 4 is a schematic perspective view illustrating the control panel according to the embodiment. [Figure 5]FIG. 5 is a schematic perspective view illustrating a part of the control panel according to the embodiment. [Figure 6] FIG. 6 is a schematic perspective view illustrating a part of the control panel according to the embodiment. [Figure 7] 7(a) and 7(b) are schematic views illustrating the updating work of the control panel according to the embodiment. [Figure 8] 8(a) and 8(b) are schematic views illustrating the updating work of the control panel according to the embodiment. [Figure 9] 9(a) and 9(b) are schematic views illustrating the updating work of the control panel according to the embodiment. [Figure 10] 10(a) and 10(b) are schematic views illustrating the updating work of the control panel according to the embodiment. [Figure 11] FIG. 11 is a schematic perspective view illustrating a control panel according to the embodiment. [Figure 12] FIG. 12 is a schematic perspective view illustrating a channel base of the control panel according to the embodiment. [Figure 13] FIG. 13 is a schematic perspective view illustrating a channel base of the control panel according to the embodiment. [Figure 14] 14(a) and 14(b) are schematic views illustrating a control panel according to the embodiment. [Figure 15] 15(a) and 15(b) are schematic views illustrating a control panel according to the embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0011] Hereinafter, embodiments will be described with reference to the drawings. In the present specification and the drawings, elements similar to those described above with reference to the previous drawings are designated by the same reference numerals, and detailed descriptions thereof will be omitted as appropriate.

[0012] FIG. 1 is a schematic perspective view illustrating a control panel according to an embodiment. As shown in Fig. 1, a control panel 100 according to an embodiment has a housing 10. The housing 10 is composed of, for example, a main body (hereinafter referred to as housing main body 11) and an opening member, which will be described later. The housing main body 11 of the housing 10 houses devices (such as a controller, a power supply, various IO modules, and a terminal block) therein. In this example, the housing main body 11 has a general shape of a rectangular parallelepiped with a storage space therein for storing the devices.

[0013] The housing body 11 has a front part 14 provided with a front door 14a. The front part 14 is a part located in front of the storage space, and forms at least a part of the front surface of the housing 10.

[0014] Similarly, on the rear side, the housing body 11 has a rear section 15 provided with a rear door 15a. The rear section 15 is a portion located at the rear of the storage space, and forms at least a part of the rear surface of the housing 10.

[0015] FIG. 2 is a schematic plan view illustrating the control panel according to the embodiment. 2 shows the control panel 100 as viewed from above, and also shows the inside of the housing 10 in a schematic manner. 2, the front door 14a and the rear door 15a can be opened. By opening the front door 14a and the rear door 15a, the devices housed inside the housing 10 can be operated and checked from the front and rear of the housing 10.

[0016] FIG. 3 is a schematic cross-sectional view illustrating the control panel according to the embodiment. FIG. 3 shows a state in which the housing 10 of the control panel 100 is installed on the floor F1 of a plant or the like. A pit P1 is provided under the floor F1. The pit P1 is a space under the floor where electrical wiring (external lines) is arranged. External lines connected to external devices are drawn into the housing 10 from below through the pit P1. For example, electrical wiring between an electrical room or the like where a control panel or the like is installed and a manufacturing site or the like where motors, rollers that drive lines, etc. are installed is interconnected through culverts or underfloor provided within the plant. Electrical wiring is not limited to between an electrical room and a site; wiring between a control panel installed in the same electrical room or another electrical room, or wiring between a computer room or an office floor where computer terminals are installed, is also connected through underfloor or the like.

[0017] For example, multiple external lines E1 are drawn into the housing 10 (housing body 11), and each external line E1 is connected to a device such as a terminal block T1 inside the housing 10. The external lines E1 are electrically connected to the IO module M1, other control devices, etc., via the terminal block T1 inside the housing 10.

[0018] The housing body 11 has a bottom 12 provided with an insertion opening 12e (first insertion opening). The bottom 12 is a portion located below the storage space that stores devices inside the housing 10, and corresponds to the bottom plate of the housing 10. The bottom 12 has a part of the bottom surface 10b of the housing 10. The insertion opening 12e is, for example, a through-hole that passes through the bottom 12 (bottom plate) in the vertical direction. The insertion opening 12e is located directly above the pit P1. The storage space inside the housing 10 communicates with the pit P1 via the insertion opening 12e. The external wire E1 is inserted from the pit P1 below the insertion opening 12e through the insertion opening 12e and drawn into the storage space.

[0019] FIG. 4 is a schematic perspective view illustrating the control panel according to the embodiment. In FIG. 4, the front door 14a, the rear door 15a, and the devices and wiring inside the control panel are not shown. The housing 10 has a housing main body 11, and a first opening member 21 and a second opening member 22 that are detachable from the housing main body 11. Figure 4 shows the housing main body 11 with the opening members (first opening member 21 and second opening member 22) attached.

[0020] When attached to the housing body 11, the first opening member 21 is located at the lower front part of the housing 10. When attached to the housing body 11, the second opening member 22 is located at the lower rear part of the housing 10. The housing body 11 and the opening members form the box-shaped (rectangular parallelepiped) housing 10.

[0021] 5 and 6 are schematic perspective views illustrating a part of the control panel according to the embodiment. Fig. 5 corresponds to an enlarged view of the lower part of the housing 10 in Fig. 4. Fig. 6 shows a state in which the opening member has been removed from the state in Fig. 5.

[0022] As shown in FIG. 5, an insertion opening 12e is provided in the center of the bottom 12 (bottom plate) of the housing body 11. The bottom 12 is rectangular in plan view (when viewed from above), with the rectangular insertion opening 12e provided in the center. Furthermore, as shown in FIG. 6, the bottom 12 has cutouts in front of and behind the insertion opening 12e in plan view. In other words, in plan view, the bottom 12 is a rectangle with an open area from a portion (center) of the front side to the insertion opening 12e and an open area from a portion (center) of the rear side to the insertion opening 12e. In other words, the planar shape of the bottom 12 is two U-shaped parts facing each other.

[0023] The first opening member 21 is attached to and detached from an open area on the front side of the bottom 12. The second opening member 22 is attached to and detached from an open area on the rear side of the bottom 12. As shown in Fig. 5, the bottom 12 and the opening member form a rectangular bottom surface 10b of the housing.

[0024] In this example, the first opening member 21 has a portion with an L-shaped cross section. That is, as shown in Fig. 6, the first opening member 21 has a plate-shaped portion 21a and a plate-shaped rising portion 21b that rises upward from the end of the plate-shaped portion 21a.

[0025] When attached to the housing body 11, the plate-shaped portion 21a extends horizontally. As shown in FIG. 5, the plate-shaped portion 21a is disposed adjacent to the bottom portion 12 and forms part of the bottom surface of the housing. That is, the plate-shaped portion 21a closes the opening 12c (see FIG. 6) of the bottom portion 12. The opening 12c is located between the right and left sides of the bottom portion 12, from the insertion opening 12e to the space in front of the bottom portion 12.

[0026] The rising portion 21b is disposed adjacent to the lower portion 14b of the front portion 14 of the housing main body 11. As shown in FIG. 5, for example, the rising portion 21b is fixed to the lower portion 14b of the front portion 14 by a fastener B1. Any fastening means such as a screw or a bolt can be used as the fastener. The rising portion 21b connects the right and left sides of the lower portion 14b. That is, the rising portion 21b closes the opening 14c (see FIG. 6) between the right and left sides of the lower portion 14b. The opening 14c is located directly below the opening 14f that is opened and closed by the front door 14a, and is continuous with the lower end of the opening 14f. Note that, for example, as shown in FIG. 3, when the first opening member 21 is attached to the housing main body 11 and the front door 14a is closed, the first opening member 21 may be located behind the front door 14a and covered by the front door 14a from the front.

[0027] As shown in Fig. 6, by removing the first opening member 21 from the housing body 11, the space from the insertion opening 12e to the space in front of the bottom 12 is opened in the bottom 12 (bottom surface 10b). That is, the insertion opening 12e in the bottom 12 (bottom surface 10b) communicates with the space in front of the housing. This makes it possible to pull out the external wire E1 (see Fig. 3) passing through the insertion opening 12e in the bottom 12 (bottom surface 10b) forward via the detachable position of the first opening member 21.

[0028] 5, by attaching the first opening member 21 to the housing body 11, the space from the insertion opening 12e to the front space is closed at the bottom 12 (bottom surface 10b). In this case, the external line E1 (see FIG. 3) passing through the insertion opening 12e is blocked by the bottom 12 and the first opening member 21, and therefore cannot be drawn forward at the bottom 12.

[0029] The second opening member 22 is provided on the rear side of the housing 10 in a detachable manner, similar to the first opening member 21. That is, for example, second opening member 22 has an L-shaped cross section having plate-shaped portion 22a and rising portion 22b. When second opening member 22 is attached, plate-shaped portion 22a is disposed in opening 12d (see FIG. 6) behind insertion opening 12e of bottom portion 12 and forms part of the bottom surface of the housing. When second opening member 22 is attached, rising portion 22b is disposed in opening 15c (see FIG. 6) in lower portion 15b of rear portion 15 and is fixed to lower portion 15b with a fixing device. Opening 15c is continuous with the lower end of opening 15f that is opened and closed by rear door 15a. By removing the second opening member 22 from the housing body 11, the space from the insertion opening 12e to the rear space of the bottom 12 is opened at the bottom 12 (bottom surface 10b). That is, at the bottom 12 (bottom surface 10b), the external line E1 (see FIG. 3) passing through the insertion opening 12e can be drawn rearward via the detachable position of the second opening member 22. By attaching the second opening member 22 to the housing body 11, the space from the insertion opening 12e to the rear space at the bottom 12 (bottom surface 10b) is closed. In this case, the external line E1 (see FIG. 3) passing through the insertion opening 12e cannot be drawn rearward at the bottom 12 because it is blocked by the bottom 12 and the second opening member 22.

[0030] As will be described later, the housing 10 can be moved so that the external line E1 is outside the housing 10 by removing the front and rear opening members (first opening member 21 and second opening member 22).

[0031] It is conceivable that the strength of the housing 10 will decrease when the first opening member 21 and the second opening member 22 are detached from the housing main body 11. In response to this, reinforcing members 31 and 32 are attached to the housing main body 11, as shown in Fig. 4. The reinforcing members 31 and 32 reinforce the strength of the housing 10, which decreases when the first opening member 21 and the second opening member 22 are detached from the housing main body 11.

[0032] Specifically, the reinforcing members 31 and 32 are, for example, rod-shaped (or column-shaped) and are attached to the housing main body 11 so as to extend in the left-right direction. The reinforcing members 31 and 32 connect the right and left parts of the housing main body 11 relative to the attachment and detachment positions of the first opening member 21 and the second opening member 22.

[0033] The reinforcing member 31 is attached to, for example, an attachment portion f1 provided on the inner surface of the front portion 14, and is disposed along the inner surface of the front portion 14. In this example, the reinforcing member 31 is disposed directly above the attachment / detachment position of the first opening member 21 (opening 12c (FIG. 6)). Similarly, the reinforcing member 32 is attached to, for example, an attachment portion f2 provided on the inner surface of the rear portion 15, and is disposed so as to follow the inner surface of the rear portion 15. In this example, the reinforcing member 32 is disposed directly above the attachment / detachment position of the second opening member 22 (opening 12d (FIG. 6)).

[0034] The mounting portions f1, f2 are, for example, locking portions including protrusions, and hook-shaped ends of the reinforcing members 31, 32 are locked to the locking portions. Without being limited to this, the reinforcing members 31, 32 can be locked or fixed to the mounting portions f1, f2 to which the reinforcing members 31, 32 are attached by any means such as screws. Furthermore, the reinforcing members 31, 32 may be locked or fixed to the right side (right side plate) or left side (left side plate) of the housing body 11.

[0035] The reinforcing members 31 and 32 are detachable from the housing body 11. By attaching the reinforcing members 31 and 32 when removing the first opening member 21 and the second opening member 22 from the housing body 11, the strength of the housing 10 can be supplemented. When the reinforcing members 31 and 32 are removed, they do not get in the way when operating the devices inside the housing 10.

[0036] Next, a description will be given of the update work of the control panel 100. In the update work, the existing casing 10 (casing 10A) is replaced with a new casing 10 (casing 10B). 7(a) to 10(b) are schematic views illustrating the updating work of the control panel according to the embodiment. 7(a), 8(a), 9(a), and 10(a) are schematic cross-sectional views illustrating control panels and their installation locations. 7(b), 8(b), 9(b), and 10(b) are schematic top views illustrating the control panel and its installation location. In these figures, for ease of viewing, some elements such as the reinforcing members 31 and 32, the front door 14a, and the rear door 15a are omitted from the illustration.

[0037] 2 and 3, the existing housing 10A is placed above the pit P1. The external line E1 is drawn into the housing 10A through the pit P1 and the insertion port 12e and connected to the terminal block T1.

[0038] Although not shown, the outside lines E1 are processed to identify them. For example, a marking tube is placed near the tip of each outside line E1 so that each outside line E1 can be identified. The marking tube is provided with a signal name, coordinates on a drawing, a symbol indicating the connection destination, and the like. This identification information is not limited to text information, but is provided by a one-dimensional barcode, a two-dimensional barcode, a wireless tag, or the like. During the update work, the connection destination in the housing 10B of the new control panel is determined based on the information for identifying this outside line E1.

[0039] 7(a) and 7(b), in the update work, the front door 14a and the rear door 15a are opened, and the external line E1 is removed from the terminal block T1 inside the housing 10A. In the update work, the front door 14a and the rear door 15a are left open as appropriate. In this embodiment, the end of the external line E1 that was connected to the terminal block T1 inside the housing 10A is not stored in the pit P1, but remains above the floor F1.

[0040] After attaching the reinforcing members 31 and 32 described above with reference to Fig. 4, the first opening member 21 and the second opening member 22 are removed from the bottom 12 of the housing body 11. This opens the space between the insertion opening 12e and the front and rear spaces of the housing 10A at the bottom 12. The external line E1 is pulled out from the opened area onto the floor at the front and rear of the housing 10A, and the housing 10A is placed on the floor (Figs. 7(a) and 7(b)).

[0041] Next, the housing 10A is moved forward or backward so that the external line E1 is outside the housing 10A. As a result, the housing 10A is removed from the pit P1, as shown in FIGS. 8(a) and 8(b). Since housings containing devices are often heavy, a chill roller or the like is used to move the housing in a substantially horizontal direction (a direction substantially parallel to the floor F1). At this time, the external line E1 on the floor F1 can pass through the portions of the housing 10A opened by the first opening member 21 and the second opening member 22, so the housing 10A can be moved from the pit P1 without dropping the entire external line E1 into the pit P1.

[0042] Next, the new housing 10B is moved forward or backward and placed on the pit P1. For example, as shown in FIGS. 9(a) and 9(b), the housing 10B is moved forward. At this time, the reinforcing members 31 and 32 are attached to the housing 10B, and the first opening member 21 and the second opening member 22 are removed. In this case, the external line E1 on the floor F1 can pass through the portion of the housing 10B opened by the first opening member 21 and the second opening member 22, so the housing 10B can be moved over the pit P1 without dropping the entire external line E1 into the pit P1.

[0043] 10(a) and 10(b), the external line E1 held on the floor F1 is connected to the terminal block T1 inside the housing 10B. After that, the first opening member 21 and the second opening member 22 are attached to the housing body 11 of the housing 10B, and then the reinforcing members 31 and 32 are removed.

[0044] As described above, it is possible to move the housing 10 while keeping a part of the outside line E1 above the floor F1, thereby enabling the installation work of the control panel 100 to be carried out efficiently.

[0045] For example, in a conventional control panel without a removable opening member, when the housing of an existing control panel is moved horizontally across the floor, the outside line is temporarily stored in a pit. In this case, it is time-consuming to pull the outside line out of the pit and identify it. In particular, in a control panel for a complex plant with a large number of outside lines, identifying the outside lines can be time-consuming or the marking tube used for identification can be lost, making identification difficult. In contrast, according to the embodiment, the housing 10 can be moved while the outside line E1 remains pulled out of the pit P1. This can improve the efficiency of the installation work of the control panel 100. For example, it can eliminate the time spent searching for the outside line E1 in the pit P1, thereby shortening the installation time.

[0046] It is also possible to pull out the external lines E1 only from the front or rear. However, for example, if the external lines E1 are pulled out only from the front, the external lines E1 at the rear of the control panel will be pulled out forward, and if there are a large number of external lines E1, it may be difficult to pull out all the external lines E1. In response to this, the embodiment is provided with a first opening member 21 that opens the front and a second opening member 22 that opens the rear. This allows the external lines E1 to be pulled out both from the front and rear. This can improve efficiency compared to pulling out the external lines E1 only from the front or rear.

[0047] FIG. 11 is a schematic perspective view illustrating a control panel according to the embodiment. 11, the control panel 100 may include an upper housing 20 and a bottom member 30. The upper housing 20 is provided on the bottom member 30 and fixed to the bottom member 30. Although not shown in the figure, the upper housing 20 is provided with a front door and a rear door.

[0048] The bottom member 30 has a main member 30a including a bottom 12, and a first opening member 21 and a second opening member 22 that are detachable from the main member 30a. The main member 30a and the upper housing 20 form a box-shaped housing main body 11. The bottom member 30 is rectangular in plan view, with the outer edges of the rectangular steel plate member bent upward. The main member 30a has defects at the locations where it is bent upward on the front and rear sides of the rectangle of the bottom member 30. The first opening member 21 and the second opening member 22 are connected to the defective portions of the main member 30a.

[0049] 12 and 13 are schematic perspective views illustrating the channel base of the control panel according to the embodiment. Although not mentioned in the above description, the control panel 100 may include a channel base 40 that supports a housing 10 that houses equipment. The housing 10 is disposed on the channel base 40. The channel base 40 is provided on, for example, the floor F1. Alternatively, at least a portion of the channel base 40 may be disposed under the floor to provide space for laying external cables.

[0050] The channel base 40 has a base body 41, and a third opening member 23 and a fourth opening member 24 that are detachable from the base body 41. Fig. 12 shows a state in which the opening members (third opening member 23 and fourth opening member 24) are attached to the base body 41. Fig. 13 shows a state in which the opening members have been removed from the base body 41.

[0051] The base body 41 has an upper surface portion 42 provided with an insertion opening 42e (second insertion opening). The upper surface portion 42 is plate-shaped and extends horizontally, forming part of the upper surface of the channel base 40. The insertion opening 42e is a through-hole that passes vertically through the upper surface portion 42. The insertion opening 12e (see FIG. 5, etc.) of the housing 10 is arranged so as to overlap the insertion opening 42e in the vertical direction. The external wire E1 (see FIG. 14(b)) is inserted into the insertion opening 42e from below the insertion opening 42e (for example, from within a pit below the channel base 40), passes through the insertion opening 12e, and is drawn into the housing 10.

[0052] As shown in FIG. 12, the insertion opening 42e is located at the center of the upper surface portion 42 (e.g., a top plate) of the base main body 41. The upper surface portion 42 is rectangular in plan view, with the rectangular insertion opening 42e provided in the center. Furthermore, as shown in FIG. 13, the upper surface portion 42 has cutouts in front of and behind the insertion opening 42e in plan view. In other words, in plan view, the upper surface portion 42 is a rectangle with an open area from a portion of the front side (the center) to the insertion opening 42e and an open area from a portion of the rear side (the center) to the insertion opening 42e. In other words, the planar shape of the upper surface portion 42 is two U-shaped parts facing each other.

[0053] The third opening member 23 is attached to and detached from an open area on the front side of the top surface portion 42. The fourth opening member 24 is attached to and detached from an open area on the rear side of the top surface portion 42. As shown in Fig. 12, the top surface portion 42 and the opening member form a rectangular top surface 41t of the channel base.

[0054] In this example, the base body 41 and the opening member form a box-shaped (rectangular parallelepiped) channel base 40. The base body 41 has a lower surface portion 43 (e.g., a bottom plate) that is rectangular in plan view. An insertion opening 43e (through-hole) is provided in the center of the lower surface portion 43. An external wire E1 (see FIG. 14(b)) can be passed through the channel base 40 via the insertion openings 43e and 42e. The base body 41 may have a front surface portion 44 (plate-shaped having a front side surface) and a rear surface portion 45 (plate-shaped having a rear side surface).

[0055] In this example, the third opening member 23 has a portion with an L-shaped cross section. That is, as shown in Fig. 13, the third opening member 23 has a plate-shaped portion 23a and a plate-shaped hanging portion 23b extending downward from the end of the plate-shaped portion 23a.

[0056] The plate-shaped portion 23a extends horizontally when attached to the base body 41. As shown in FIG. 12, the plate-shaped portion 23a is disposed adjacent to the upper surface portion 42 and forms part of the upper surface of the channel base. That is, the plate-shaped portion 23a closes the opening 42c (see FIG. 13) of the upper surface portion 42. The opening 42c is located between the right and left sides of the upper surface portion 42, from the insertion opening 42e to the space in front of the upper surface portion 42.

[0057] Hanging portion 23b is disposed adjacent to front surface portion 44 of base body 41. For example, hanging portion 23b is fixed to front surface portion 44 by a fastener (not shown). Any fastening means such as a screw or a bolt can be used as the fastener. Hanging portion 23b closes opening 44c (see FIG. 13) between the right and left sides of front surface portion 44.

[0058] 13, by removing the third opening member 23 from the base body 41, the space from the insertion opening 42e to the space in front of the top surface portion 42 is opened on the top surface portion 42 (top surface 41t). That is, on the top surface portion 42 (top surface 41t), the insertion opening 42e communicates with the space in front of the channel base. This makes it possible to pull the external wire E1 passing through the insertion opening 42e forward on the top surface portion 42 (top surface 41t) via the detachable position of the third opening member 23.

[0059] 12, by attaching the third opening member 23 to the base body 41, the space from the insertion opening 42e to the front space is closed on the upper surface portion 42 (upper surface 41t). In this case, the external line E1 passing through the insertion opening 42e is blocked by the upper surface portion 42 and the third opening member 23, and therefore cannot be drawn forward on the upper surface portion 42.

[0060] The fourth opening member 24 is detachably provided on the rear side of the channel base 40 in the same manner as the third opening member 23. That is, for example, fourth opening member 24 has an L-shaped cross section including plate-shaped portion 24a and hanging portion 24b. When fourth opening member 24 is attached, plate-shaped portion 24a is disposed in opening 42d (see FIG. 13) behind insertion opening 42e of upper surface portion 42, and forms part of the upper surface of the channel base. When fourth opening member 24 is attached, hanging portion 24b is disposed in opening 45c (see FIG. 13) of rear surface portion 45, and is fixed to rear surface portion 45 with a fastener. By removing the fourth opening member 24 from the base body 41, the space from the insertion opening 42e to the rear space of the top surface portion 42 is opened on the top surface portion 42 (top surface 41t). That is, the external line E1 passing through the insertion opening 42e on the top surface portion 42 (top surface 41t) can be drawn rearward via the detachable position of the fourth opening member 24. By attaching the fourth opening member 24 to the base body 41, the space from the insertion opening 42e to the rear space on the top surface portion 42 (top surface 41t) is closed. In this case, the external line E1 passing through the insertion opening 42e cannot be drawn rearward on the top surface portion 42 because it is blocked by the top surface portion 42 and the fourth opening member 24.

[0061] The base body 41 is provided with reinforcing columns 47 that support the upper surface portion 42 from below. This allows the strength of the channel base 40 to be reinforced. There may be multiple reinforcing columns 47, and in this example, there are four reinforcing columns 47. The reinforcing columns 47 extend vertically, with their upper ends connected to the upper surface portion 42 and their lower ends connected to the lower surface portion 43.

[0062] The third opening member 23 is detachably attached to the front side of the channel base 40, between the portions supported by the two reinforcing columns 47 aligned on the left and right of the top surface portion 42. Similarly, the fourth opening member 24 is detachably attached to the rear side of the channel base 40, between the portions supported by the two reinforcing columns 47 aligned on the left and right of the top surface portion 42. This reinforces the strength of the channel base 40, which decreases when the third opening member 23 and the fourth opening member 24 are removed.

[0063] 14(a) to 15(b) are schematic diagrams illustrating the control panel according to the embodiment. 14(a) and 15(a) show the control panel 100 as viewed from the front, and FIGS. 14(b) and 15(b) show cross sections of the control panel 100. In Figures 14(a) and 14(b), the opening members (first opening member 21, second opening member 22, third opening member 23, and fourth opening member 24) are shown in an attached state. In Figures 15(a) and 15(b), the opening members are shown in a removed state. For ease of viewing, some elements such as doors and reinforcing columns have been omitted from the illustration.

[0064] The housing 10 is placed on the channel base 40. As shown in FIG. 14(b), the external line E1 passes through the insertion opening 42e of the channel base 40, is drawn into the housing 10 from below, and is connected to a device inside the housing 10. The third opening member 23 and the fourth opening member 24 are attached, thereby closing the space between the insertion opening 42e and the front and rear spaces of the channel base 40. In this case, the external line E1 passing through the insertion opening 42e cannot be drawn out to the front or rear of the channel base 40.

[0065] As shown in Figures 15(a) and 15(b), on the front side of the control panel 100, the openings (openings 42c, 44c) of the base main body 41 to which the third opening member 23 is attached and the openings (openings 12c, 14c) of the housing main body 11 to which the first opening member 21 is attached overlap in the vertical direction and are connected to each other when the first opening member 21 and the third opening member 23 are removed.

[0066] Similarly, on the rear side of the control panel 100, the openings (openings 42d, 45c) of the base body 41 to which the fourth opening member 24 is attached and the openings (openings 12d, 15c) of the housing body 11 to which the second opening member 22 is attached overlap in the vertical direction and are connected when the second opening member 22 and the fourth opening member 24 are removed.

[0067] As shown in FIG. 15(b), the external line E1 can be pulled out from inside the control panel 100 to the front and rear of the channel base 40 below the housing 10. In this example, too, the housing 10 can be moved without dropping the external line E1 into a pit. This improves the efficiency of the installation work of the control panel 100. For example, the external line E1 pulled out to the front and rear can be positioned below the housing, making it easier to move the housing 10.

[0068] Embodiments may include the following features. (Configuration 1) a housing body that houses a device therein and includes a bottom portion provided with a first insertion port through which an external line connected to the device is inserted from below; a first opening member and a second opening member that are detachable from the housing body; a housing including: the first opening member is located at the front side of the housing when attached to the housing body, and when detached from the housing body, allows the external wire passing through the first insertion opening at the bottom to be pulled out forward, the second opening member is located at the rear side of the housing when attached to the housing main body, By removing the housing from the main body, the external wire passing through the first insertion port at the bottom can be pulled out rearward, A control panel in which a reinforcing member is attached to the housing body to reinforce the strength of the housing, which is reduced by removing the first opening member. (Configuration 2) The reinforcing member is It is detachable from the housing body, A control panel as described in configuration 1, which connects a portion of the housing main body to the right of the detachment position of the first opening member and a portion of the housing main body to the left of the detachment position. (Configuration 3) a base body including an upper surface portion provided with a second insertion port through which the external wire is inserted from below; a third opening member and a fourth opening member detachable from the base body; a channel base including: the housing is provided on the channel base, the third opening member is located at a front side of the channel base when at least a portion of the third opening member is attached to the base body; By being detached from the base body, the external wire passing through the second insertion port on the upper surface portion can be pulled out forward, the fourth opening member is located at the rear side of the channel base when at least a portion of the fourth opening member is attached to the base body, and when detached from the base body, allows the external wire passing through the second insertion port on the upper surface portion to be pulled out rearward; The control panel according to configuration 1 or 2, wherein the base body is provided with a reinforcing pillar that supports the upper surface portion from below. (Configuration 4) A plurality of the reinforcing columns are provided, The control panel according to configuration 3, wherein the third opening member is detachably attached between the portions of the upper surface supported by the two reinforcing columns.

[0069] According to the embodiment, a control panel that allows efficient installation work can be provided.

[0070] Although several embodiments of the present invention have been described above, these embodiments are presented by way of example only and are not intended to limit the scope of the invention. These novel embodiments can be embodied in various other forms, and various omissions, substitutions, modifications, etc. can be made without departing from the spirit of the invention. These embodiments and their modifications are included within the scope and spirit of the invention, as well as within the scope of the invention and its equivalents as set forth in the claims. Furthermore, the above-described embodiments can be implemented in combination with each other. [Explanation of symbols]

[0071] 10, 10A, 10B...housing, 10b...bottom, 11...casing body, 12...bottom, 12c, 12d...opening, 12e...insertion port, 14...front part, 14a...front door, 14b...bottom, 14c, 14f...opening, 15...rear part, 15a...rear door, 15b...bottom, 15c, 15f... opening, 20... upper casing, 21... first opening member, 21a... plate-shaped part, 21b... rising part, 22... second opening member, 22a... plate-shaped part, 22b... rising part, 23... third opening member, 23a... plate-shaped part, 23b... hanging part, 24... fourth opening member, 24a... plate-shaped part, 24b... hanging part, 30... bottom member, 30a...main member, 31, 32...reinforcing member, 40...channel base, 41...base body, 41t...upper surface, 42...upper surface portion, 42c, 42d...opening, 42e...insertion hole, 43...lower surface portion, 43e...insertion hole, 44...front surface portion, 44c...opening, 45...rear surface portion, 45c...opening, 47...reinforcing column, 100...control panel, B1...fixing fixture, E1...external line, F1...floor, M1...IO module, P1...pit, T1...terminal block, f1, f2...mounting portion

Claims

1. a housing body that houses a device therein and includes a bottom portion provided with a first insertion opening through which an external line connected to the device is inserted from below; a first opening member and a second opening member that are detachable from the housing body; a housing including: the first opening member is located at the front side of the housing when attached to the housing body, and when detached from the housing body, allows the external wire passing through the first insertion opening at the bottom to be pulled out forward, the second opening member is located at the rear side of the housing when attached to the housing main body, By removing the housing from the main body, the external wire passing through the first insertion port at the bottom can be pulled out rearward, A control panel in which a reinforcing member is attached to the housing body to reinforce the strength of the housing, which is reduced by removing the first opening member.

2. The reinforcing member is It is detachable from the housing body, The control panel according to claim 1 , wherein a portion of the housing body to the right of the detachment position of the first opening member is connected to a portion of the housing body to the left of the detachment position.

3. a base body including an upper surface portion provided with a second insertion opening through which the external wire is inserted from below; a third opening member and a fourth opening member detachable from the base body; a channel base including: the housing is provided on the channel base, the third opening member is located at a front side of the channel base when at least a portion of the third opening member is attached to the base body; By being detached from the base body, the external wire passing through the second insertion port on the upper surface portion can be pulled out forward, the fourth opening member is located at the rear side of the channel base when at least a portion of the fourth opening member is attached to the base body, and when detached from the base body, allows the external wire passing through the second insertion port on the upper surface portion to be pulled out rearward; The control panel according to claim 1 or 2, wherein the base body is provided with a reinforcing column that supports the upper surface portion from below.

4. A plurality of the reinforcing columns are provided, The control panel according to claim 3 , wherein the third opening member is detachably attached between portions of the top surface supported by the two reinforcing columns.

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