Installation structure of communication control device

Abstract

To prevent a communication control device from being washed away when a water level inside a manhole rises in a separate structure for a manhole cover and a communication device.SOLUTION: A communication device in a communication control box 16 transmits measurement data inside a sewer via an antenna installed in a manhole cover 12, and is installed inside a manhole 11 rather than on the manhole cover 12. "A height of the communication control box=(a)" and "a height from an upper end of the communication control box 16 to the manhole cover 12=(b)". In this case, the communication control box is installed in a position that satisfies a relationship "(a)>(b)."SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to an installation structure of a communication control device for transmitting measurement data in a pipeline.

Background Art

[0002] In recent years, there has been a need to monitor the inside of sewer pipes to detect abnormal information such as sewer pipe leakage and measure various data, and it is not uncommon to install measuring devices and communication devices in manholes communicating with sewer pipes.

[0003] Therefore, the manhole cover of Patent Document 1 has been proposed. This manhole cover includes a communication device that transmits measurement data (sensing data) of a sensor and a power supply device that supplies power to the communication device on the back of the manhole cover (iron cover).

[0004] However, since the weight increases due to the communication device and the power supply device, the manhole cover may deteriorate workability during maintenance inspections or the like depending on the installation environment. Therefore, a separable structure as shown in Patent Document 2 has been proposed. As shown in FIG. 6, this structure installs a communication control device 3 including a communication device and a power supply device not in the manhole cover 1b but in the manhole 1.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0006] According to the separate structure of Patent Document 2, although the communication control device 3 is installed inside the manhole 1, its installation location is not specified. Therefore, when the water level in the conduit rises, the communication control device 3 may be washed away by water pressure, and communication may become impossible due to the cutting of the antenna cable 4, etc.

[0007] In particular, Patent Document 2 describes a method in which a box containing a communication control device 3 is simply installed (co-mounted) on a step 7 inside a manhole 1 using cable ties or the like. However, due to insufficient strength, the box may fall off and be washed away.

[0008] Therefore, one possible method is to fix the box to the side wall (inner wall) inside the manhole 1. However, this would involve mounting the box to a fixing bracket fixed to the inner wall, but if the strength of the inner wall is weak due to corrosion or other reasons inside the manhole 1, the anchor strength may be insufficient, and the desired anchor strength may not be obtained, potentially leading to the box falling off.

[0009] This invention was made to solve the problems of the conventional invention, and aims to prevent the outflow of the communication control device when the water level inside the manhole rises, in a separate structure of the manhole cover and the communication device. [Means for solving the problem]

[0010] (1) The present invention relates to an installation structure for a communication control device that transmits measurement data inside a pipe through an antenna installed on a manhole cover, The communication control box enclosing the aforementioned communication control device is installed inside the manhole. When "the height of the communication control box = (a)" and "the height from the upper end of the communication control box to the manhole cover = (b)", The aforementioned communication control box is characterized by being installed in a position that satisfies the relationship (a) > (b).

[0011] (2) One aspect of the present invention comprises a mounting member fixed to the end of a step installed inside the pipe, The communication control box is characterized in that it is installed so as to be slidable in the vertical direction on the mounting member.

[0012] (3) In another embodiment of the present invention, the mounting member is characterized by comprising a slide rail for mounting the communication control box so that it can slide vertically.

[0013] (4) In yet another embodiment of the present invention, the communication control box is characterized by having a fitting portion that slides into the slide rail.

[0014] (5) In yet another embodiment of the present invention, The communication control device includes a communication device that transmits the measurement data wirelessly through the antenna, A power supply device that supplies power to the aforementioned communication device, While possessing, The aforementioned communication control box is A communication box for the aforementioned communication device, A power box for the aforementioned power supply unit, Equipped with, The power supply box is characterized by being slidably installed along the vertical direction of the communication box.

[0015] (6) In yet another embodiment of the present invention, The aforementioned power box has rails fixed along the vertical direction, The communication box is characterized by having a fitting portion that slides freely into the rail of the power box.

[0016] (7) In yet another embodiment of the present invention, The aforementioned step is formed in a roughly U-shape, The mounting member is characterized by being fixed to one end of the plurality of steps. [Effects of the Invention]

[0017] According to the present invention, in a separable structure of a manhole cover and a communication control device, it is possible to prevent the outflow of the communication control device when the water level inside the manhole rises.

Brief Description of the Drawings

[0018] [Figure 1] Configuration diagram showing an installation structure of a communication control device according to an embodiment of the present invention. [Figure 2] Perspective view showing a state where a mounting bracket is fixed to a step in the same conduit. [Figure 3] Perspective view showing a state where the communication control box is installed on the slide rail. [Figure 4] Perspective view showing a state where a battery box is installed and removed from the communication box. [Figure 5] Perspective view showing a state where the communication control box is installed and removed from the slide rail. [Figure 6] Configuration diagram of Patent Document 2.

Embodiments for Carrying Out the Invention

[0019] Hereinafter, an installation structure of a communication control device according to an embodiment of the present invention will be described. In FIG. 1, reference numeral 11 indicates a manhole communicating with a sewer conduit. The opening on the ground side of this manhole 11 is closed by a manhole cover 12, and substantially U-shaped steps (scaffolds) 13a to 13g for the ascent and descent of workers are fixed to the inner wall 18.

[0020] Here, a separable structure in which a communication control box 16 is adopted inside the manhole 11 is adopted, and a communication device for wireless communication and a battery device for supplying power to the communication device are enclosed in the communication control box 16. This communication device transmits the measurement data in the sewer conduit measured through the sensor 17 to an information collection server (not shown) of the management center through an antenna (not shown) of the manhole cover 12. Although a non-contact sensor 17 is shown in FIG. 1, a contact-type sensor 17 that can be submerged and used may also be used.

[0021] With this type of separate structure, since the communication control box 16 is installed inside the manhole 11, there is no increase in the weight of the manhole cover 12 due to the communication device and battery device, thus preventing deterioration of workability during maintenance and inspection.

[0022] In Figure 1, (a) shows the height (distance) of the communication control box 16, and (b) shows the height from the top of the communication control box 16 to the manhole cover 12 (which can also be called the distance to the ground). Here, the communication control box 16 is installed in a position where the relationship "(a) > (b)" occurs. That is, after attaching the mounting bracket 14 to the step 13 of the inner wall 12, the communication control box 16 is installed in a position where the relationship "(a) > (b)" occurs with respect to the mounting bracket 14.

[0023] ≪Mounting Bracket 14≫ As described above, the mounting bracket 14 is attached to steps 13b to 13d and is supported at three points on each of the steps 13b to 13d. Here, as an example, a long mounting bracket 14 is shown attached to steps 13b to 13d, but it may also be attached to steps 13e to 13g.

[0024] As shown in Figure 2, the mounting bracket 14 comprises a fixing portion 14a that is attached to steps 13e to 13g, and a rail mounting portion 14b that is bent in the width direction from the fixing portion 14a. Bolt holes 35 and 36 are formed at equal intervals along the longitudinal direction in both 14a and 14b. Although only the attachment to step 13b is shown in Figure 2, it is assumed that steps 13c and 13d are also attached with a similar structure.

[0025] Steps 13b to 13d are formed in a roughly U-shape and include ends 30a and 30b embedded and fixed in the inner wall 18, and a scaffolding section 30c between ends 30a and 30b. Here, the fixing section 14a is fixed to the end 30a using an engaging fitting 31, a connecting bolt 32, and a nut 37.

[0026] In other words, the engaging fitting 31 is formed by bending into a U-shape and comprises each end 31a connected at its upper end by a connecting portion 31b, and a mounting piece 31c extending horizontally outward from each end 31a. A hole (not shown) is formed in this mounting piece 31c, and the ends 30a of steps 13b to 13d are inserted into the respective portions 31a and 31b and engaged.

[0027] At this time, the shafts 33 of the pair of connecting bolts 32 are inserted into the holes and into the bolt holes 35 located above and below the step 13b. With the bolts in this state, nuts 37 are fastened to the shafts 33, and the fixing part 14a is fixed to the end 30a of the step 13b.

[0028] On the other hand, the rail mounting section 14b is fixed to a slide rail 15 for slidably mounting the communication control box 16 using bolts 38 and nuts (not shown). This slide rail 15 comprises a base plate 42 fixed to the rail mounting section 14b and a rail portion 43 welded to the base plate 42.

[0029] The side end portion 42a of the substrate 42 and the side plate portion 44 of the rail portion 43 have rows of communication holes 40 and 41 that communicate with the bolt holes 36. The shaft portion of the connecting bolt 38 is inserted through the communication holes 40 and 41 at the upper and lower ends of each row, and the nut is fastened after the shaft portion is inserted into the bolt hole 36.

[0030] This fixes the slide rail 15 in a position where the relationship "(a)>(b)" occurs. The rail portion 43 has openings at its upper and lower ends 43c and 43d, and is equipped with a pair of legs 43a and locking portions 43b bent inward from the tips of each leg 43a. A slit S1 is formed between the two locking portions 43b along the vertical direction, and a stopper portion 43e is provided between the slit S1 and the lower end 43d.

[0031] ≪Communication control device 16≫ An example of the configuration of the communication control device 16 will be explained based on Figures 3 to 5. Here, as shown in Figure 3, the communication control device 16 comprises a communication box 20 for enclosing the communication device, a battery box 21 for enclosing the battery device, and L-shaped brackets 22 for supporting both 20 and 21.

[0032] One end 22a of this L-shaped fitting 22 has a U-shaped first fitting portion 50 that slides into the slit S of the rail portion 43. By inserting this first fitting portion 50 into the rail portion 43 from the upper end (upper opening) 43c, The communication box 20 is installed in a way that allows it to slide freely.

[0033] Furthermore, a communication box 20 containing a communication device is fixed to one side of the central part of the L-shaped bracket 22 (between the two ends 22a and 22b). The means of fixing this communication box 20 may be bolts and nuts, or it may be fixed by welding.

[0034] Furthermore, the other side of the other end 22b of the L-shaped bracket 22 is provided with a second fitting portion (not shown) configured similarly to the first fitting portion 50 via a support piece. Meanwhile, a slide rail 45 is fixed to the back of the battery box 21, as shown in Figure 4.

[0035] This slide rail 45 is formed in a box shape and comprises a bottom plate 45f fixed to the battery box 21, side plates 45e erected on both sides of the bottom plate 45f, and locking portions 45c formed by bending inward from the tip of each side plate 45e. The upper and lower ends 45a and 45b of the slide rail 45 are formed as openings. In addition, a slit S2 is provided between the locking portions 45c, extending from near the upper end 45a to the lower end 45b, and a stopper portion 45d is provided between the slit S2 and the upper end 45a.

[0036] By inserting the second fitting portion into the lower end (lower end opening) 45b of the slide rail 45, the battery box 21 is slidably installed on the other end 22b of the L-shaped bracket 22.

[0037] Installation Procedure The following describes the installation procedure for the communication control box 16. This installation procedure is broadly divided into two parts: the procedure for attaching the mounting bracket 14 to step 13, and the procedure for attaching the communication control box 16 to the slide rail 14 of the mounting bracket 14.

[0038] (1) Installation procedure for mounting bracket 14 First, the installation procedure for the mounting bracket 14 will be explained. This involves two steps: step 1, fixing the mounting bracket 14 to the step 13, and step 2, attaching the slide rail 15 of the mounting bracket 14.

[0039] Step 1: Select step 13 to fix the mounting bracket 14. In the installation example in Figure 1, steps 13a to 13c are selected, and the fixing portion 14a of the mounting bracket 14 is fixed to the selected steps 13a to 13c. To explain based on Figure 2, first insert the ends 30a of steps 13a to 13c into the engaging fitting 31.

[0040] Subsequently, the shaft portion 33 of the connecting bolt 32 is connected to the respective holes in the mounting piece 31c and to the bolt holes 35 located above and below each of the steps 13a to 13c, and the nut 37 is fastened. This engages the engaging fitting 31 with the steps 13a to 13c, and the mounting fitting 14 is supported by the steps 13a to 13c.

[0041] Step 2: Attach the slide rail 15 to the mounting bracket 14. At this time, select the bolt holes 36 so that the rail section 43 is positioned in a location where the relationship "(a)>(b)" is obtained, and fix the base plate 42 to the rail mounting section 14b.

[0042] At this time, the shaft portion of the connecting bolt 38 is inserted through the selected bolt hole 36 and the corresponding communication holes 40 and 41, and a nut is fastened to the shaft portion. This positions the rail portion 43 in a position where the relationship "(a)>(b)" occurs.

[0043] (2) Installation procedure for the communication control box 16 Next, the installation procedure for the communication control box 16 will be explained. Here, it is assumed that the communication box 20 is already fixed to the L-shaped bracket 22, and the procedure consists of step 3, installing the battery box 21 to the L-shaped bracket 22, and step 4, installing the communication control box 16 to the slide rail 15.

[0044] Step 3: First, position the lower end (lower end opening) 45b of the slide rail 45 in Figure 4 above the second fitting portion of the L-shaped bracket 22. In this state, as shown by arrow D1, lower the battery box 22 and insert the second fitting portion into the slide rail 45 along the slit S2 from the lower end opening 45b.

[0045] At this time, the second fitting portion contacts and locks into the stopper portion 45d of the slide rail 45, thereby allowing the battery box 21 to slide freely in the vertical direction of the communication box. On the other hand, when removing the battery box 21, it is only necessary to lift the battery box 21, as shown by arrow U1 in Figure 4.

[0046] Step 4: Next, install the communication control box 16 onto the slide rail 15. Here, as shown in Figure 5, position the first insertion portion 50 of the L-shaped bracket 22 on the rail portion 43. In this state, as shown by arrow D2, lower the communication control box 16 and insert the first insertion portion 50 into the rail portion 43 from the upper end opening 43c along the slit S1.

[0047] At this time, the first fitting portion 50 contacts and locks against the stopper portion 43e of the slide rail 15, thereby allowing the communication control box 16 to slide freely on the slide rail 15. This mounts the communication control box 16 in a position where the relationship "(a)>(b)" is met.

[0048] To remove the communication box 16, after opening the manhole cover 12, simply lift it up as shown by arrow U1 in Figure 5. This embodiment provides the following advantages.

[0049] (A) In other words, when the water level from the bottom of the manhole 11 rises due to heavy rain or the like, it attempts to push up the communication control box 16. At this time, since the slide rail 15 is fixed to the mounting bracket 14, the communication control box 16 is not moved laterally and is controlled to move only vertically along the slit S1.

[0050] Furthermore, since the communication control box 16 is installed in a position where the relationship "(a)>(b)" occurs, even if it moves upward, it will not interfere with the manhole cover 12 and will not come off the slide rail 15, thus preventing the communication control device 16 from being swept away.

[0051] (B) In Patent Document 2, the battery device is enclosed together with the communication device inside the communication box 3. In this case, if the communication box 3 is located deep below the ground surface, it is necessary to enter the manhole 1 to remove the battery device when it needs to be replaced.

[0052] In contrast, according to this embodiment, as shown by arrow U1 in Figure 4, when replacing the battery device, only the battery box 21 can be pulled out vertically to remove it from the manhole 11, making replacement work possible on the ground.

[0053] In particular, the communication control box 16 is installed in a position where the relationship "(a)>(b)" occurs, so its upper end is installed close to the manhole cover 12. Therefore, it can be attached and detached without entering the manhole 11 when replacing the battery, and the battery box 21 will not detach from the L-shaped bracket 22 when the water level rises due to heavy rain, thus ensuring the functionality of the battery device.

[0054] (C) The mounting bracket 14 is fixed to the end 30a of steps 13b to 13d, so it does not obstruct workers entering the manhole 11. At this time, the mounting bracket 14 is fixed by holding the end 30a of steps 13b to 13d with the engaging bracket 31, so anchoring to the inner wall 18 is unnecessary.

[0055] It should be noted that the present invention is not limited to the embodiments described above, and can be implemented with modifications within the scope of each claim. For example, the communication control box 16 does not necessarily need to include a communication box 20 and a battery box 21, and may be configured by enclosing the communication device and battery device in a single box, similar to Patent Document 1. [Explanation of symbols]

[0056] 11… Manhole 12... Manhole cover 13... Step 14…Mounting brackets (mounting components) 15,45... slide rail 16…Communication control box 20... Communication Box 21... Battery box 30a, 30b... ends of the steps 50...1st insertion part

Claims

1. A communication control device installation structure that transmits measurement data from inside a pipe through an antenna installed on the manhole cover, The communication control box enclosing the aforementioned communication control device is installed inside the manhole. When "the height of the communication control box = (a)" and "the height from the upper end of the communication control box to the manhole cover = (b)", The aforementioned communication control box is installed in a position that satisfies the relationship "(a) > (b)", The device includes an attachment member fixed to the end of a step installed inside the aforementioned pipe, The communication control box is installed so as to be slidable in the vertical direction on the mounting member. A communication control device installation structure characterized by the following:

2. The mounting member includes a slide rail that allows the communication control box to be slidably mounted in the vertical direction. Installation structure for the communication control device according to claim 1.

3. The communication control box includes a fitting portion that slides freely into the slide rail. The installation structure for the communication control device according to claim 2.

4. The communication control device includes a communication device that transmits the measurement data wirelessly through the antenna, A power supply device that supplies power to the aforementioned communication device, While possessing, The aforementioned communication control box is A communication box for the aforementioned communication device, A power box for the aforementioned power supply unit, Equipped with, The power supply box is installed so as to be slidable along the vertical direction of the communication box. The installation structure for a communication control device according to claim 2 or 3, characterized in that it is a communication control device installation structure according to claim 2 or 3.

5. The aforementioned power box has rails fixed along the vertical direction, The communication box includes a fitting portion that slides freely into the rail of the power box. The installation structure for the communication control device according to claim 4.

6. The aforementioned step is formed in a roughly U-shape, The mounting member is fixed to one end of the plurality of steps. Installation structure for the communication control device according to claim 1.

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